CN100455972C - Online pollution repellent, heat exchanger equipment and method for tube cluster of cold and heat sources from sewage and surface water - Google Patents
Online pollution repellent, heat exchanger equipment and method for tube cluster of cold and heat sources from sewage and surface water Download PDFInfo
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- CN100455972C CN100455972C CNB2007100716469A CN200710071646A CN100455972C CN 100455972 C CN100455972 C CN 100455972C CN B2007100716469 A CNB2007100716469 A CN B2007100716469A CN 200710071646 A CN200710071646 A CN 200710071646A CN 100455972 C CN100455972 C CN 100455972C
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D9/04—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being formed by spirally-wound plates or laminae
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Abstract
An on-line pollution proof heat exchange device of cylinder cluster using wasted water and surface water as cooling and heating sources is prepared for connecting outlet and inlet of water source to source water inlet layer of cylinder cluster, connecting inlet and outlet of media to be heated to heat exchange layer of media to be heated, setting brush rod in water source inlet layer and forming cylinder cluster by sheathing a set of cylinders in coaxial and equal lengthy to each other. Its heat exchanging method is also disclosed.
Description
Technical field
The present invention relates to a kind of sewage and surface water Cooling and Heat Source heat-exchanger rig and method.
Background technology
Sewage (municipal sewage, industrial wastewater etc.) has big, the characteristics wide, water temperature stability that distribute of the water yield with surface water (water of river, lake and sea), is a kind of good low level renewable and clean energy resource.When being the space heating air-conditioning as the heat pump Cooling and Heat Source, the comprehensive utilization ratio of its primary energy is more than 1.3, and energy-conservation amplitude reaches 45%, by the sewage quantity measuring and calculating that China estimated in 2010, can satisfy the demand of the building Cooling and Heat Source more than 20%.Because sewage and surface water contain the suspension and the compound of some, the endless form of utilizing it is again an open type, therefore be non-cleaning for heat pump or heat exchange, heat transmission equipment easily blocks, and blocking time is short, soft dirty fast growth, complicated component, fouling on the heat-transfer surface is thick in addition, and this will seriously influence the fluid interchange of sewage and surface water.Under the condition that several factors such as the investment of heat transmission equipment, occupation of land, operation energy consumption are restricted, block with soft dirty problem and be difficult to solve, and become a current major technique obstacle.
China had carried out the research work of this respect in recent years, and had begun the pilot application.At present, it is to adopt immersion type water taking heat-transfer device more widely that pilot is used, be about to heat exchanger and place cesspool, because the sewage flow section is big, water flow velocity is little, therefore adopt that there is complicated operation in this heat exchanger, equipment investment is big, floor space is big, heat exchange efficiency is low, pollutant deposits easily, the problem that needs periodic maintenance, and only suit on less engineering project, to use; Adopt the rotation filtering surface to deter the shell-and-tube heat exchanger heat exchange, though can solve the problem of obstruction well, the soft dirt of heat-transfer surface can't onlinely be removed, and needs regular scrubbing, increases the investment and the maintenance workload of system.
Summary of the invention
The purpose of this invention is to provide a kind of sewage and surface water Cooling and Heat Source tube bunch online antifouling heat-exchanger rig and method, it can solve adopts immersion type water taking heat-transfer device, have complicated operation, equipment investment is big, heat exchange efficiency is low, pollutant deposits easily, need the problem of periodic maintenance and adopt the rotation filtering surface to deter shell-and-tube heat exchanger, exist the soft dirt of heat-transfer surface onlinely to remove, need regular scrubbing, increase the investment of system and the problem of maintenance workload.
The heat-exchanger rig of first kind of structure of the present invention, it comprises reducing motor, toggle, main shaft, housing, left gripper shoe, right gripper shoe, bearing block assembly, axle sleeve; The output shaft of described reducing motor is in transmission connection by an end of toggle and main shaft, the other end of main shaft is contained on the housing interior left gripper shoe and right gripper shoe, described left gripper shoe and right gripper shoe are affixed with housing respectively, between left side gripper shoe and the main shaft and between right gripper shoe and the main shaft bearing block assembly is housed respectively, described axle sleeve is contained on two bearing block assemblies and is affixed with the bearing block assembly, the left end of housing is provided with the water source import, the right-hand member of housing is provided with the water source outlet, the cavity that the left end of left side gripper shoe and housing surrounds is an intake antrum, the cavity that the right-hand member of right gripper shoe and housing surrounds is a water chamber, and the housing of described intake antrum lower end is provided with sewage draining exit; The present invention also comprises tube bunch, fork, slide block, brush holder support, first closure plate, second closure plate, first riser, the 3rd closure plate, the 4th closure plate, second riser, the first heat-obtaining medium efferent duct, one group of dividing plate and one group of baffle plate; Described tube bunch is contained in the housing, and left end and the left gripper shoe of tube bunch are affixed, and the right-hand member and the right gripper shoe of tube bunch are affixed, form by being nested inside and outside one group of coaxial, isometric cylinder for described bunch; The tube bunch interlayer be arranged alternately from outside to inside for source water enter the layer and heat-obtaining medium heat exchange layer, described source water enters layer and communicates with intake antrum 11 and water chamber respectively, on the main shaft in the intake antrum and on the main shaft in the water chamber fork that is oppositely arranged is housed respectively, be symmetrically arranged with two slotted holes on the fork along its length, one group of slide block is housed in each slotted hole, described each source water enters brush holder support is housed in the layer, the two ends of brush holder support are connected with corresponding slide block, described bunch lower-left end has the first long gap from outside to inside, first section of the described first long gap is by the sealing of first closure plate, second section of the first long gap is by the sealing of second closure plate, the left end of the left end of first closure plate and second closure plate is affixed with left gripper shoe respectively, the right-hand member of the right-hand member of first closure plate and second closure plate is affixed with first riser respectively, described first closure plate is provided with the through hole that communicates with heat-obtaining medium heat exchange layer, the one group dividing plate identical with the first long gap shape is housed in the first long gap, described one group of dividing plate successively with source water enter the layer even level corresponding, one group of dividing plate respectively with first closure plate, second closure plate, the left side gripper shoe and first riser are affixed, and the housing of the first long gap lower end is provided with the heat-obtaining medium inlet; Described bunch bottom righthand side is provided with the second long gap, the 3rd section of the described second long gap is by the sealing of the 3rd closure plate, the 4th section of the second long gap is by the sealing of the 4th closure plate, the left end of the left end of the 3rd closure plate and the 4th closure plate is affixed with second riser respectively, the right-hand member of the right-hand member of the 3rd closure plate and the 4th closure plate is affixed with right gripper shoe respectively, described the 4th closure plate is provided with the opening that communicates with heat-obtaining medium heat exchange layer, the one group baffle plate identical with the second long gap shape is housed in the second long gap, described one group of baffle plate successively with source water enter the layer odd-level corresponding, one group of baffle plate respectively with the 3rd closure plate, the 4th closure plate, second riser and right gripper shoe are affixed, the housing of the second long gap lower end is provided with the heat-obtaining media outlet, the described first heat-obtaining medium efferent duct is contained in the through hole of one group of baffle plate, and the first heat-obtaining medium efferent duct communicates with described heat-obtaining media outlet.
The heat-exchanger rig of second kind of structure of the present invention, it comprises reducing motor, toggle, main shaft, housing, left gripper shoe, right gripper shoe, bearing block assembly, axle sleeve; The output shaft of described reducing motor is in transmission connection by an end of toggle and main shaft, the other end of main shaft is contained on the housing interior left gripper shoe and right gripper shoe, described left gripper shoe and right gripper shoe are affixed with housing respectively, between left side gripper shoe and the main shaft and between right gripper shoe and the main shaft bearing block assembly is housed respectively, described axle sleeve is contained on two bearing block assemblies and is affixed with the bearing block assembly, the left end of housing is provided with the water source import, the right-hand member of housing is provided with the water source outlet, the cavity that the left end of left side gripper shoe and housing surrounds is an intake antrum, the cavity that the right-hand member of right gripper shoe and housing surrounds is a water chamber, and the housing of described intake antrum lower end is provided with sewage draining exit; The present invention also comprises tube bunch, fork, slide block, brush holder support, first end plate, second end plate, the 5th closure plate, the 6th closure plate, the 3rd riser, lower chamber and the second heat-obtaining medium efferent duct; Described bunch is contained in the housing, the tube bunch left end and left gripper shoe affixed, the tube bunch right-hand member and right gripper shoe affixed, tube is bunch block-shaped by two, the steel plate stack that size is identical is curled and is formed, the interlayer of tube bunch is arranged alternately from outside to inside to heat-obtaining medium heat exchange layer and source water and enters layer, described source water enters layer and communicates with intake antrum and water chamber respectively, on the main shaft in the intake antrum and on the main shaft in the water chamber fork that is oppositely arranged is housed respectively, be symmetrically arranged with two slotted holes on the fork along its length, one group of slide block is housed in each slotted hole, described each source water enters brush holder support is housed in the layer, the two ends of brush holder support are connected with corresponding slide block, on the port of export of heat-obtaining medium heat exchange layer first end plate is housed, the arrival end of heat-obtaining medium heat exchange layer is equipped with second end plate, described lower chamber is contained in the housing and is affixed with second end plate, and the heat-obtaining medium hand-hole on second end plate is communicated with the radial hole on the lower chamber sidewall, and the lower end of lower chamber is connected with heat-obtaining medium inlet on the sidewall of housing lower end; Described bunch bottom righthand side has the 3rd long gap from outside to inside, the 5th section of described the 3rd long gap is by the sealing of the 5th closure plate, the 6th section of the 3rd long gap is by the sealing of the 6th closure plate, the left end of the left end of the 5th closure plate and the 6th closure plate is affixed with the 3rd riser respectively, the right-hand member of the right-hand member of the 5th closure plate and the 6th closure plate is affixed with right gripper shoe respectively, first end plate in the 3rd long gap is provided with the heat-obtaining medium and portals, and described heat-obtaining medium portals and is communicated with the heat-obtaining media outlet by the second heat-obtaining medium efferent duct.
The heat-exchanger rig that the present invention utilizes first kind of structure carries out online antifouling heat-exchange method to sewage and surface water Cooling and Heat Source and may further comprise the steps: a, utilize the water source water pump to extract sewage or surface water from the water source, sewage or surface water are entered in the layer by each source water that water intaking pipeline in water source enters into the tube bunch of online antifouling heat-exchanger rig, sewage or surface water when Yuan Shui enters intrastratal flow with extract by the heat-obtaining water pump and the heat-obtaining medium heat exchange of series flow in the heat-obtaining back with water inlet line enters into the heat-obtaining medium heat exchange layer of tube bunch; B, the sewage of finishing heat exchange or surface water are transported to the place, water source by the water source flowing line and form open circulation, form the closed cycle loop between heat-obtaining medium heat exchange layer, heat-obtaining water outlet pipeline and the source pump or the hot user of heat-obtaining medium by tube bunch, enter less suspension on layer heat-transfer surface and the formed soft dirt of compound by being arranged on source water and entering that brush holder support in the layer is done intermittently or continuous circular motion is fallen clearly and discharging by the sewage draining exit of online antifouling heat-exchanger rig attached to described source water.
The heat-exchanger rig that the present invention utilizes second kind of structure carries out online antifouling heat-exchange method to sewage and surface water Cooling and Heat Source and may further comprise the steps: a, utilize the water source water pump to extract sewage or surface water from the water source, sewage or surface water are entered in the layer by each source water that water intaking pipeline in water source enters into the tube bunch of online antifouling heat-exchanger rig, sewage or surface water when Yuan Shui enters intrastratal flow with extract by the heat-obtaining water pump and the heat-obtaining medium heat exchange of series flow in the heat-obtaining back with water inlet line enters into the heat-obtaining medium heat exchange layer of tube bunch; B, the sewage of finishing heat exchange or surface water are transported to the place, water source by the water source flowing line and form open circulation, form the closed cycle loop between heat-obtaining medium heat exchange layer, heat-obtaining water outlet pipeline and the source pump or the hot user of heat-obtaining medium by tube bunch, enter less suspension on layer heat-transfer surface and the formed soft dirt of compound by being arranged on source water and entering that brush holder support in the layer is done intermittently or continuous circular motion is fallen clearly and discharging by the sewage draining exit of online antifouling heat-exchanger rig attached to described source water.
The present invention has following beneficial effect: one, the present invention has adopted a kind of heat exchange structure form between shell-and-tube and plank frame, solved the problem of many, the online anti-soft dirty complicated in mechanical structure of shell-and-tube heat-transfer pipe, utilized the high advantage of plate type heat exchanger heat transfer efficiency simultaneously, solved immersion type water taking heat-transfer device and rotation filtering surface and deterred the problem that shell-and-tube heat exchanger can not online anti-soft dirt.Two, adopt tube that one group of cylinder is nested bunch, the tube bunch interlayer be arranged alternately from outside to inside for source water enter the layer and heat-obtaining medium heat exchange layer, sewage and surface water enter into source water and enter in the layer, under the effect of back and forth cleaning with water of brush holder support, source water enters suspension in the layer can wall built-up or stick, the circulation end face can be not blocked, therefore has the very strong function that deters.Lower end at tube bunch has the first long gap and the second long gap, and one group of dividing plate is set in the first long gap, one group of baffle plate is set in the second long gap, the heat-obtaining medium is entered in the outermost heat-obtaining medium heat exchange layer by the heat-obtaining medium inlet, opening on the 4th closure plate enters in time outer field heat-obtaining medium heat exchange layer again, the heat-obtaining medium through hole from pairing first closure plate of inferior outer field heat-obtaining medium heat exchange layer of front again flows out and enters down in the heat-obtaining medium heat exchange layer of one deck, the rest may be inferred, the heat-obtaining medium is series flow in heat-obtaining medium heat exchange layer, last heat-obtaining medium is flowed out through the first heat-obtaining medium efferent duct and heat-obtaining media outlet by the heat-obtaining medium heat exchange layer of innermost layer.Adopt the heat-exchanger rig of said structure, can improve a layer interior flow velocity, strengthen the heat exchange effect.Three, the tube that adopts two steel plates stacks block-shaped, that size is identical to curl to form bunch, can make source water enter the layer and heat-obtaining medium heat exchange layer form spiral channels in series respectively, in improving layer in flow velocity and the heat exchange efficiency, a structure that also can make tin bunch becomes simply, is easy to processing and manufacturing.Three, brush holder support can be rigid steel axle or flexible cable, on the brush holder support hairbrush or flexible material can be housed, brush holder support enters at the source water in tube bunch under the drive of fork and does in the layer intermittently or the motion of continuous circular arc, and the scale removal of can not only removing contamination simultaneously can also disturbance current enhancing heat exchange.Though the quantity that four brush holder supports are provided with in each source water enters layer seldom (only is provided with two brush holder supports), guaranteed the online anti-soft scale removal of big heat exchange area, this is that existing sewage and surface water Cooling and Heat Source heat transmission equipment are not available, and brush holder support is easy to change.Five, if adopt diameter be 1m, long for 3m, spacing be that the tube of 20mm bunch just has 120m
2Heat exchange area, and the source water that will clean with water enter the layer have only 10; If utilize tube shell type structure, then need the parts of cleaning with water more than 200 at least, so this device can improve the reliability that deters scale removal greatly.Six, because the quantity of brush holder support is few, not only auxiliary energy consumption is low, but also can reduce the cost of investment of online scale removal heat-exchanger rig greatly, and in addition, heat-exchanger rig volume of the present invention is also little a lot of than shell-tube type, thereby has reduced floor space greatly.Seven, device of the present invention has simple in structure, easy installation, reliable operation, low cost of manufacture, the effective advantage of the soft dirt of removing, is in the field of heating ventilation air conditioning, the desirable heat-exchanger rig that the heat pump Cooling and Heat Source is used for the space heating air-conditioning.Eight, method of the present invention has had easy operation, reduced or has avoided the consumption of auxiliary process operation with resource, can fundamentally solve the water taking heat-transfer problem of this non-clean water.
Description of drawings
Fig. 1 is that (tube bunches 14 is coaxial by one group for overall structure front view of the present invention, composition is nested inside and outside the isometric cylinder), Fig. 2 is the H-H profile of Fig. 1, Fig. 3 is the A-A profile of Fig. 1, Fig. 4 is the D-D profile of Fig. 1, Fig. 5 is the E-E profile of Fig. 1, Fig. 6 is the G-G profile of Fig. 1, Fig. 7 is the specific embodiment seven, nine schematic diagram, Fig. 8 is the schematic diagram of the specific embodiment eight, Fig. 9 is that (tube bunches 14 is block-shaped by two for overall structure front view of the present invention, the steel plate stack that size is identical is curled and is formed), Figure 10 is the B-B profile of Fig. 9, Figure 11 is the N-N profile of Fig. 9, Figure 12 is the specific embodiment ten, 12 schematic diagram, Figure 13 are the schematic diagrams of the specific embodiment 11.
The specific embodiment
The specific embodiment one: in conjunction with Fig. 1～Fig. 6 present embodiment is described, the heat-exchanger rig of present embodiment is made up of reducing motor 1, toggle 2, main shaft 3, housing 4, left gripper shoe 5, right gripper shoe 6, bearing block assembly 7, axle sleeve 8, tube bunches 14, fork 15, slide block 16, brush holder support 17, first closure plate 18, second closure plate 19, first riser 22, the 3rd closure plate 20, the 4th closure plate 21, second riser 23, the first heat-obtaining medium efferent duct 61, one group of dividing plate 24 and one group of baffle plate 25; The output shaft 64 of described reducing motor 1 is in transmission connection by the end of toggle 2 with main shaft 3, the other end of main shaft 3 is contained on the left gripper shoe 5 and right gripper shoe 6 in the housing 4, described left gripper shoe 5 and right gripper shoe 6 are affixed with housing 4 respectively, between left side gripper shoe 5 and the main shaft 3 and between right gripper shoe 6 and the main shaft 3 bearing block assembly 7 is housed respectively, described axle sleeve 8 is contained on two bearing block assemblies 7 and is affixed with bearing block assembly 7, the left end of housing 4 is provided with water source import 9, the right-hand member of housing 4 is provided with water source outlet 10, the cavity that the left end of left side gripper shoe 5 and housing 4 surrounds is an intake antrum 11, the cavity that the right-hand member of right gripper shoe 6 and housing 4 surrounds is a water chamber 12, and the housing 4 of described intake antrum 11 lower ends is provided with sewage draining exit 13; Described tube bunches 14 is contained in the housing 4, and left end and the left gripper shoe 5 of tube bunches 14 are affixed, and the right-hand member and the right gripper shoe 6 of tube bunches 14 are affixed, forms by being nested inside and outside one group of coaxial, isometric cylinder for described bunch 14; The interlayer of tube bunches 14 is arranged alternately from outside to inside to source water and enters layer 26 and heat-obtaining medium heat exchange layer 27, described source water enters layer 26 and communicates with intake antrum 11 and water chamber 12 respectively, on the main shaft 3 in the intake antrum 11 and on the main shaft 3 in the water chamber 12 fork 15 that is oppositely arranged is housed respectively, be symmetrically arranged with two slotted holes 28 on the fork 15 along its length, one group of slide block 16 is housed in each slotted hole 28, described each source water enters in the layer 26 brush holder support 17 is housed, the two ends of brush holder support 17 are connected with corresponding slide block 16, described bunch 14 lower-left end has the first long gap 29 from outside to inside, first section of the described first long gap 29 is by 18 sealings of first closure plate, second section of the first long gap 29 is by 19 sealings of second closure plate, the left end of the left end of first closure plate 18 and second closure plate 19 is affixed with left gripper shoe 5 respectively, the right-hand member of the right-hand member of first closure plate 18 and second closure plate 19 is affixed with first riser 22 respectively, described first closure plate 18 is provided with the through hole 30 that communicates with heat-obtaining medium heat exchange layer 27, be equipped with in the first long gap 29 and one group of identical dividing plate 24 of first long gap 29 shapes, to enter layer 26 even level corresponding with source water successively for described one group of dividing plate 24, one group of dividing plate 24 respectively with first closure plate 18, second closure plate 19, the left side gripper shoe 5 and first riser 22 are affixed, and the housing 4 of the first long gap, 29 lower ends is provided with heat-obtaining medium inlet 31; Described bunch 14 bottom righthand side is provided with the second long gap 32, the 3rd section of the described second long gap 32 is by 20 sealings of the 3rd closure plate, the 4th section of the second long gap 32 is by 21 sealings of the 4th closure plate, the left end of the left end of the 3rd closure plate 20 and the 4th closure plate 21 is affixed with second riser 23 respectively, the right-hand member of the right-hand member of the 3rd closure plate 20 and the 4th closure plate 21 is affixed with right gripper shoe 6 respectively, described the 4th closure plate 21 is provided with the opening 33 that communicates with heat-obtaining medium heat exchange layer 27, be equipped with in the second long gap 32 and one group of identical baffle plate 25 of second long gap 32 shapes, to enter layer 26 odd-level corresponding with source water successively for described one group of baffle plate 25, one group of baffle plate 25 respectively with the 3rd closure plate 20, the 4th closure plate 21, second riser 23 and right gripper shoe 6 are affixed, the housing 4 of the second long gap, 32 lower ends is provided with heat-obtaining media outlet 34, the described first heat-obtaining medium efferent duct 61 is contained in the through hole of one group of baffle plate 25, and the first heat-obtaining medium efferent duct 61 communicates with described heat-obtaining media outlet 34.
The specific embodiment two: in conjunction with Fig. 1 present embodiment is described, the bearing block assembly 7 of present embodiment is made up of bearing 35, bearing block 36, end cap 37 and fixed bolster 38; Described bearing block 36 is contained on the main shaft 3, between bearing block 36 and the main shaft 3 bearing 35 is housed, the inner end of bearing 35 leans on mutually with the shoulder end face of main shaft 3, the outer face of bearing 35 is by end cap 37 axial restraints, end cap 37 is connected with bearing block 36, and bearing block 36 is affixed by fixed bolster 38 and described axle sleeve 8.So be provided with, simple in structure, reliable operation is installed easily.Other composition and annexation are identical with the specific embodiment one.
The specific embodiment three: in conjunction with Fig. 1 present embodiment is described, the housing 4 of present embodiment is made up of cylindrical shell 39, left end socket 40 and right end socket 41; The left end of described cylindrical shell 39 is affixed by described left gripper shoe 5 and left end socket 40, and the right-hand member of cylindrical shell 39 is affixed by described right gripper shoe 6 and right end socket 41.Simple in structure, easy manufacturing so is set.Other composition and annexation are identical with the specific embodiment one.
The specific embodiment four: in conjunction with Fig. 9～Figure 11 present embodiment is described, the heat-exchanger rig of present embodiment is made up of reducing motor 1, toggle 2, main shaft 3, housing 4, left gripper shoe 5, right gripper shoe 6, bearing block assembly 7, axle sleeve 8, tube bunches 14, fork 15, slide block 16, brush holder support 17, first end plate 42, second end plate 43, the 5th closure plate 44, the 6th closure plate 45, the 3rd riser 46, lower chamber 47 and the second heat-obtaining medium efferent duct 63; The output shaft 64 of described reducing motor 1 is in transmission connection by the end of toggle 2 with main shaft 3, the other end of main shaft 3 is contained on the left gripper shoe 5 and right gripper shoe 6 in the housing 4, described left gripper shoe 5 and right gripper shoe 6 are affixed with housing 4 respectively, between left side gripper shoe 5 and the main shaft 3 and between right gripper shoe 6 and the main shaft 3 bearing block assembly 7 is housed respectively, described axle sleeve 8 is contained on two bearing block assemblies 7 and is affixed with bearing block assembly 7, the left end of housing 4 is provided with water source import 9, the right-hand member of housing 4 is provided with water source outlet 10, the cavity that the left end of left side gripper shoe 5 and housing 4 surrounds is an intake antrum 11, the cavity that the right-hand member of right gripper shoe 6 and housing 4 surrounds is a water chamber 12, and the housing 4 of described intake antrum 11 lower ends is provided with sewage draining exit 13; Be contained in the housing 4 for described bunch 14, the left end and the left gripper shoe 5 of tube bunches 14 are affixed, the right-hand member and the right gripper shoe 6 of tube bunches 14 are affixed, tube bunches 14 is block-shaped by two, the steel plate stack that size is identical is curled and is formed, the interlayer of tube bunches 14 is arranged alternately from outside to inside to heat-obtaining medium heat exchange layer 27 and Yuan Shui and enters layer 26, described source water enters layer 26 and communicates with intake antrum 11 and water chamber 12 respectively, on the main shaft 3 in the intake antrum 11 and on the main shaft 3 in the water chamber 12 fork 15 that is oppositely arranged is housed respectively, be symmetrically arranged with two slotted holes 28 on the fork 15 along its length, one group of slide block 16 is housed in each slotted hole 28, described each source water enters in the layer 26 brush holder support 17 is housed, the two ends of brush holder support 17 are connected with corresponding slide block 16, on the port of export of heat-obtaining medium heat exchange layer 27 first end plate 42 is housed, the arrival end of heat-obtaining medium heat exchange layer 27 is equipped with second end plate 43, it is interior and affixed with second end plate 43 that described lower chamber 47 is contained in housing 4, heat-obtaining medium hand-hole 48 on second end plate 43 is communicated with radial hole 62 on lower chamber 47 sidewalls, and the lower end of lower chamber 47 is connected with heat-obtaining medium inlet 31 on the housing 4 lower end sidewalls; Described bunch 14 bottom righthand side has the 3rd long gap 49 from outside to inside, the 5th section of the described the 3rd long gap 49 is by 44 sealings of the 5th closure plate, the 6th section of the 3rd long gap 49 is by 45 sealings of the 6th closure plate, the left end of the left end of the 5th closure plate 44 and the 6th closure plate 45 is affixed with the 3rd riser 46 respectively, the right-hand member of the right-hand member of the 5th closure plate 44 and the 6th closure plate 45 is affixed with right gripper shoe 6 respectively, first end plates 42 in the 3rd long gap 49 are provided with the heat-obtaining medium and portal 50, and described heat-obtaining medium portals and 50 is communicated with heat-obtaining media outlet 34 by the second heat-obtaining medium efferent duct 63.
The specific embodiment five: in conjunction with Fig. 9 present embodiment is described, the bearing block assembly 7 of present embodiment is made up of bearing 35, bearing block 36, end cap 37 and fixed bolster 38; Described bearing block 36 is contained on the main shaft 3, between bearing block 36 and the main shaft 3 bearing 35 is housed, the inner end of bearing 35 leans on mutually with the shoulder end face of main shaft 3, the outer face of bearing 35 is by end cap 37 axial restraints, end cap 37 is connected with bearing block 36, and bearing block 36 is affixed by fixed bolster 38 and described axle sleeve 8.So be provided with, simple in structure, reliable operation is installed easily.Other composition and annexation are identical with the specific embodiment four.
The specific embodiment six: in conjunction with Fig. 9 present embodiment is described, the housing 4 of present embodiment is made up of cylindrical shell 39, left end socket 40 and right end socket 41; The left end of described cylindrical shell 39 is affixed by described left gripper shoe 5 and left end socket 40, and the right-hand member of cylindrical shell 39 is affixed by described right gripper shoe 6 and right end socket 41.Simple in structure, easy manufacturing so is set.Other composition and annexation are identical with the specific embodiment four.
The specific embodiment seven: present embodiment is described in conjunction with Fig. 7, the method of present embodiment may further comprise the steps: a, utilize water source water pump 51 52 to extract sewage or surface water from the water source, sewage or surface water are entered in the layer 26 by each source water that water intaking pipeline 53 in water source enters into the tube bunches 14 of the specific embodiment one described online antifouling heat-exchanger rig, when sewage or surface water flow in Yuan Shui enters layer 26 with extract by heat-obtaining water pump 54 and a heat-obtaining medium heat exchange of series flow in heat-obtaining back with water inlet line 59 enters into tin bunches 14 heat-obtaining medium heat exchange layer 27; B, the sewage of finishing heat exchange or surface water are transported to 52 places, water source by water source flowing line 55 and form open circulation, the heat-obtaining medium is by forming the closed cycle loop between heat-obtaining medium heat exchange layer 27, heat-obtaining water outlet pipeline 60 and the source pump 56 of tube bunches 14, enter less suspension on layer 26 heat-transfer surface and the formed soft dirt of compound by being arranged on source water and entering that brush holder supports 17 in the layer 26 are done intermittently or continuous circular motion is fallen clearly and discharging by the sewage draining exit 13 of online antifouling heat-exchanger rig attached to described source water.Can be source pump 56 thermal source is provided.
The specific embodiment eight: present embodiment is described in conjunction with Fig. 8, the difference of the present embodiment and the specific embodiment seven is: in the b step of present embodiment, finish the sewage of heat exchange or surface water and be transported to 52 places, water source by water source flowing line 55 and form open circulation, form the closed cycle loop between heat-obtaining medium heat exchange layer 27, heat-obtaining water outlet pipeline 60 and the hot user 57 of heat-obtaining medium by tube bunches 14.The heat supplying air conditioning that can be hot user 57 provides thermal source.
The specific embodiment nine: present embodiment is described in conjunction with Fig. 7, the difference of the present embodiment and the specific embodiment seven, eight is: in a step of present embodiment, on described water source water intaking pipeline 53, primarily efficient filter device 58 is set, sewage that water source water pump 51 extracts from water source 52 or surface water are transported to after primarily efficient filter device 58 filters through water source water intaking pipeline 53, each the source water that enters into the tube bunches 14 of online antifouling heat-exchanger rig again enter in the layer 26 with the heat-obtaining medium heat exchange layer 27 that enters into tube bunches 14 in the heat-obtaining medium heat exchange of series flow.Primarily efficient filter device 58 is provided with under the relatively poor situation of source quality, and primarily efficient filter device 58 adopts the general filter in existing this areas to get final product.
The specific embodiment ten: present embodiment is described in conjunction with Figure 12, the method of present embodiment may further comprise the steps: a, utilize water source water pump 51 52 to extract sewage or surface water from the water source, sewage or surface water are entered in the layer 26 by each source water that water intaking pipeline 53 in water source enters into the tube bunches 14 of the specific embodiment four described online antifouling heat-exchanger rigs, when sewage or surface water flow in Yuan Shui enters layer 26 with extract by heat-obtaining water pump 54 and a heat-obtaining medium heat exchange of series flow in heat-obtaining back with water inlet line 59 enters into tin bunches 14 heat-obtaining medium heat exchange layer 27; B, the sewage of finishing heat exchange or surface water are transported to 52 places, water source by water source flowing line 55 and form open circulation, the heat-obtaining medium is by forming the closed cycle loop between heat-obtaining medium heat exchange layer 27, heat-obtaining water outlet pipeline 60 and the source pump 56 of tube bunches 14, enter less suspension on layer 26 heat-transfer surface and the formed soft dirt of compound by being arranged on source water and entering that brush holder supports 17 in the layer 26 are done intermittently or continuous circular motion is fallen clearly and discharging by the sewage draining exit 13 of online antifouling heat-exchanger rig attached to described source water.Can be source pump 56 thermal source is provided.
The specific embodiment 11: present embodiment is described in conjunction with 13 figure, the difference of the present embodiment and the specific embodiment ten is: in the b step of present embodiment, finish the sewage of heat exchange or surface water and be transported to 52 places, water source by water source flowing line 55 and form open circulation, form the closed cycle loop between heat-obtaining medium heat exchange layer 27, heat-obtaining water outlet pipeline 60 and the hot user 57 of heat-obtaining medium by tube bunches 14.The heat supplying air conditioning that can be hot user 57 provides thermal source.
The specific embodiment 12: present embodiment is described in conjunction with Figure 12, present embodiment and the specific embodiment ten, 11 difference are: in a step of present embodiment, on described water source water intaking pipeline 53, primarily efficient filter device 58 is set, sewage that water source water pump 51 extracts from water source 52 or surface water are transported to after primarily efficient filter device 58 filters through water source water intaking pipeline 53, each the source water that enters into the tube bunches 14 of online antifouling heat-exchanger rig again enter in the layer 26 with the heat-obtaining medium heat exchange layer 27 that enters into tube bunches 14 in the heat-obtaining medium heat exchange of series flow.Primarily efficient filter device 58 is provided with under the relatively poor situation of source quality, and primarily efficient filter device 58 adopts the general filter in existing this areas to get final product.
Claims (10)
1, a kind of sewage and surface water Cooling and Heat Source tube bunch online antifouling heat-exchanger rig, it comprises reducing motor (1), toggle (2), main shaft (3), housing (4), left gripper shoe (5), right gripper shoe (6), bearing block assembly (7), axle sleeve (8); The output shaft (64) of described reducing motor (1) is in transmission connection by the end of toggle (2) with main shaft (3), the other end of main shaft (3) is contained on housing (4) the interior left gripper shoe (5) and right gripper shoe (6), described left gripper shoe (5) and right gripper shoe (6) are affixed with housing (4) respectively, between left side gripper shoe (5) and the main shaft (3) and between right gripper shoe (6) and the main shaft (3) bearing block assembly (7) is housed respectively, it is last and affixed with bearing block assembly (7) that described axle sleeve (8) is contained in two bearing block assemblies (7), the left end of housing (4) is provided with water source import (9), the right-hand member of housing (4) is provided with water source outlet (10), the cavity that the left end of left side gripper shoe (5) and housing (4) surrounds is intake antrum (11), the cavity that the right-hand member of right gripper shoe (6) and housing (4) surrounds is water chamber (12), and the housing (4) of described intake antrum (11) lower end is provided with sewage draining exit (13); It is characterized in that it also comprises tube bunch (14), fork (15), slide block (16), brush holder support (17), first closure plate (18), second closure plate (19), first riser (22), the 3rd closure plate (20), the 4th closure plate (21), second riser (23), the first heat-obtaining medium efferent duct (61), one group of dividing plate (24) and one group of baffle plate (25); Described tube bunch (14) is contained in the housing (4), and the left end and the left gripper shoe (5) of tube bunch (14) are affixed, and the right-hand member and the right gripper shoe (6) of tube bunch (14) are affixed, and described tube bunch (14) is formed by being nested inside and outside one group of coaxial, isometric cylinder; The tube bunch (14) interlayer be arranged alternately from outside to inside for source water enter the layer (26) and a heat-obtaining medium heat exchange layer (27), described source water enters layer (26) and communicates with intake antrum (11) and water chamber (12) respectively, on the main shaft (3) that main shaft (3) in the intake antrum (11) is gone up and water chamber (12) is interior the fork (15) that is oppositely arranged is housed respectively, be symmetrically arranged with two slotted holes (28) on the fork (15) along its length, one group of slide block (16) is housed in each slotted hole (28), described each source water enters in the layer (26) brush holder support (17) is housed, the two ends of brush holder support (17) are connected with corresponding slide block (16), the lower-left end of described tube bunch (14) has the first long gap (29) from outside to inside, first section of the described first long gap (29) is by first closure plate (18) sealing, second section of the first long gap (29) is by second closure plate (19) sealing, the left end of the left end of first closure plate (18) and second closure plate (19) is affixed with left gripper shoe (5) respectively, the right-hand member of the right-hand member of first closure plate (18) and second closure plate (19) is affixed with first riser (22) respectively, described first closure plate (18) is provided with the through hole (30) that communicates with heat-obtaining medium heat exchange layer (27), be equipped with in the first long gap (29) and the identical one group of dividing plate (24) of first long gap (29) shape, described one group of dividing plate (24) successively with source water enter the layer (26) even level corresponding, one group of dividing plate (24) respectively with first closure plate (18), second closure plate (19), left side gripper shoe (5) and first riser (22) are affixed, and the housing (4) of first long gap (29) lower end is provided with heat-obtaining medium inlet (31); The bottom righthand side of described tube bunch (14) is provided with the second long gap (32), the 3rd section of the described second long gap (32) is by the 3rd closure plate (20) sealing, the 4th section of the second long gap (32) is by the 4th closure plate (21) sealing, the left end of the left end of the 3rd closure plate (20) and the 4th closure plate (21) is affixed with second riser (23) respectively, the right-hand member of the right-hand member of the 3rd closure plate (20) and the 4th closure plate (21) is affixed with right gripper shoe (6) respectively, described the 4th closure plate (21) is provided with the opening (33) that communicates with heat-obtaining medium heat exchange layer (27), be equipped with in the second long gap (32) and the identical one group of baffle plate (25) of second long gap (32) shape, described one group of baffle plate (25) successively with source water enter the layer (26) odd-level corresponding, one group of baffle plate (25) respectively with the 3rd closure plate (20), the 4th closure plate (21), second riser (23) and right gripper shoe (6) are affixed, the housing (4) of second long gap (32) lower end is provided with heat-obtaining media outlet (34), the described first heat-obtaining medium efferent duct (61) is contained in the through hole of one group of baffle plate (25), and the first heat-obtaining medium efferent duct (61) communicates with described heat-obtaining media outlet (34).
2, sewage according to claim 1 and surface water Cooling and Heat Source tube bunch online antifouling heat-exchanger rig is characterized in that described bearing block assembly (7) is made up of bearing (35), bearing block (36), end cap (37) and fixed bolster (38); Described bearing block (36) is contained on the main shaft (3), between bearing block (36) and the main shaft (3) bearing (35) is housed, the inner end of bearing (35) leans on mutually with the shoulder end face of main shaft (3), the outer face of bearing (35) is by end cap (37) axial restraint, end cap (37) is connected with bearing block (36), and bearing block (36) is affixed by fixed bolster (38) and described axle sleeve (8).
3, sewage according to claim 1 and surface water Cooling and Heat Source tube bunch online antifouling heat-exchanger rig is characterized in that described housing (4) is made up of cylindrical shell (39), left end socket (40) and right end socket (41); The left end of described cylindrical shell (39) is affixed by described left gripper shoe (5) and left end socket (40), and the right-hand member of cylindrical shell (39) is affixed by described right gripper shoe (6) and right end socket (41).
4, a kind of sewage and surface water Cooling and Heat Source tube bunch online antifouling heat-exchanger rig, it comprises reducing motor (1), toggle (2), main shaft (3), housing (4), left gripper shoe (5), right gripper shoe (6), bearing block assembly (7), axle sleeve (8); The output shaft (64) of described reducing motor (1) is in transmission connection by the end of toggle (2) with main shaft (3), the other end of main shaft (3) is contained on housing (4) the interior left gripper shoe (5) and right gripper shoe (6), described left gripper shoe (5) and right gripper shoe (6) are affixed with housing (4) respectively, between left side gripper shoe (5) and the main shaft (3) and between right gripper shoe (6) and the main shaft (3) bearing block assembly (7) is housed respectively, it is last and affixed with bearing block assembly (7) that described axle sleeve (8) is contained in two bearing block assemblies (7), the left end of housing (4) is provided with water source import (9), the right-hand member of housing (4) is provided with water source outlet (10), the cavity that the left end of left side gripper shoe (5) and housing (4) surrounds is intake antrum (11), the cavity that the right-hand member of right gripper shoe (6) and housing (4) surrounds is water chamber (12), and the housing (4) of described intake antrum (11) lower end is provided with sewage draining exit (13); It is characterized in that it also comprises tube bunch (14), fork (15), slide block (16), brush holder support (17), first end plate (42), second end plate (43), the 5th closure plate (44), the 6th closure plate (45), the 3rd riser (46), lower chamber (47) and the second heat-obtaining medium efferent duct (63); Described tube bunch (14) is contained in the housing (4), the left end and the left gripper shoe (5) of tube bunch (14) are affixed, the right-hand member and the right gripper shoe (6) of tube bunch (14) are affixed, tube bunch (14) is block-shaped by two, the steel plate stack that size is identical is curled and is formed, the tube bunch (14) interlayer be arranged alternately from outside to inside for heat-obtaining medium heat exchange layer (27) He Yuanshui enter the layer (26), described source water enters layer (26) and communicates with intake antrum (11) and water chamber (12) respectively, on the main shaft (3) that main shaft (3) in the intake antrum (11) is gone up and water chamber (12) is interior the fork (15) that is oppositely arranged is housed respectively, be symmetrically arranged with two slotted holes (28) on the fork (15) along its length, one group of slide block (16) is housed in each slotted hole (28), described each source water enters in the layer (26) brush holder support (17) is housed, the two ends of brush holder support (17) are connected with corresponding slide block (16), first end plate (42) is housed on the port of export of heat-obtaining medium heat exchange layer (27), the arrival end of heat-obtaining medium heat exchange layer (27) is equipped with second end plate (43), it is interior and affixed with second end plate (43) that described lower chamber (47) is contained in housing (4), heat-obtaining medium hand-hole (48) on second end plate (43) is communicated with radial hole (62) on lower chamber (47) sidewall, and the lower end of lower chamber (47) is connected with heat-obtaining medium inlet (31) on the sidewall of housing (4) lower end; The bottom righthand side of described tube bunch (14) has the 3rd long gap (49) from outside to inside, the 5th section of the described the 3rd long gap (49) is by the 5th closure plate (44) sealing, the 6th section of the 3rd long gap (49) is by the 6th closure plate (45) sealing, the left end of the left end of the 5th closure plate (44) and the 6th closure plate (45) is affixed with the 3rd riser (46) respectively, the right-hand member of the right-hand member of the 5th closure plate (44) and the 6th closure plate (45) is affixed with right gripper shoe (6) respectively, first end plate (42) in the 3rd long gap (49) is provided with the heat-obtaining medium and portals (50), described heat-obtaining medium portal (50) be communicated with heat-obtaining media outlet (34) by the second heat-obtaining medium efferent duct (63).
5, sewage according to claim 4 and surface water Cooling and Heat Source tube bunch online antifouling heat-exchanger rig is characterized in that described bearing block assembly (7) is made up of bearing (35), bearing block (36), end cap (37) and fixed bolster (38); Described bearing block (36) is contained on the main shaft (3), between bearing block (36) and the main shaft (3) bearing (35) is housed, the inner end of bearing (35) leans on mutually with the shoulder end face of main shaft (3), the outer face of bearing (35) is by end cap (37) axial restraint, end cap (37) is connected with bearing block (36), and bearing block (36) is affixed by fixed bolster (38) and described axle sleeve (8).
6, sewage according to claim 4 and surface water Cooling and Heat Source tube bunch online antifouling heat-exchanger rig is characterized in that described housing (4) is made up of cylindrical shell (39), left end socket (40) and right end socket (41); The left end of described cylindrical shell (39) is affixed by described left gripper shoe (5) and left end socket (40), and the right-hand member of cylindrical shell (39) is affixed by described right gripper shoe (6) and right end socket (41).
7, a kind of described heat-exchanger rig of claim 1 that utilizes carries out online antifouling heat-exchange method to sewage and surface water Cooling and Heat Source, it is characterized in that it may further comprise the steps: a, utilize water source water pump (51) from the water source (52) extract sewage or surface water, sewage or surface water are entered in the layer (26) by water source each the source water that pipeline (53) enters into the tube bunch (14) of online antifouling heat-exchanger rig of fetching water, when sewage or surface water flow in Yuan Shui enters layer (26) with by heat-obtaining water pump (54) extraction and the heat-obtaining medium heat exchange of series flow in heat-obtaining back with water inlet line (59) enters into the heat-obtaining medium heat exchange layer (27) of tin bunch (14); B, finishing the sewage of heat exchange or surface water is transported to water source (52) by water source flowing line (55) and locates to form open circulation, the heat-obtaining medium is by the heat-obtaining medium heat exchange layer (27) of tube bunch (14), form the closed cycle loop between heat-obtaining water outlet pipeline (60) and source pump (56) or the hot user (57), enter less suspension on layer (26) heat-transfer surface and the formed soft dirt of compound by being arranged on source water and entering that brush holder support (17) in the layer (26) is done intermittently or continuous circular motion is fallen clearly and discharging by the sewage draining exit (13) of online antifouling heat-exchanger rig attached to described source water.
8, heat-exchanger rig according to claim 7 carries out online antifouling heat-exchange method to sewage and surface water Cooling and Heat Source, it is characterized in that in a step, on described water source water intaking pipeline (53), primarily efficient filter device (58) is set, sewage that water source water pump (51) extracts from water source (52) or the surface water pipeline (53) of fetching water through the water source is transported to after primarily efficient filter device (58) filters, and each the source water that enters into the tube bunch (14) of online antifouling heat-exchanger rig again enters in the layer (26) the heat-obtaining medium heat exchange with the interior series flow of heat-obtaining medium heat exchange layer (27) that enters into tube bunch (14).
9, a kind of described heat-exchanger rig of claim 4 that utilizes carries out online antifouling heat-exchange method to sewage and surface water Cooling and Heat Source, it is characterized in that it may further comprise the steps: a, utilize water source water pump (51) from the water source (52) extract sewage or surface water, sewage or surface water are entered in the layer (26) by water source each the source water that pipeline (53) enters into the tube bunch (14) of online antifouling heat-exchanger rig of fetching water, when sewage or surface water flow in Yuan Shui enters layer (26) with by heat-obtaining water pump (54) extraction and the heat-obtaining medium heat exchange of series flow in heat-obtaining back with water inlet line (59) enters into the heat-obtaining medium heat exchange layer (27) of tin bunch (14); B, finishing the sewage of heat exchange or surface water is transported to water source (52) by water source flowing line (55) and locates to form open circulation, the heat-obtaining medium is by the heat-obtaining medium heat exchange layer (27) of tube bunch (14), form the closed cycle loop between heat-obtaining water outlet pipeline (60) and source pump (56) or the hot user (57), enter less suspension on layer (26) heat-transfer surface and the formed soft dirt of compound by being arranged on source water and entering that brush holder support (17) in the layer (26) is done intermittently or continuous circular motion is fallen clearly and discharging by the sewage draining exit (13) of online antifouling heat-exchanger rig attached to described source water.
10, heat-exchanger rig according to claim 9 carries out online antifouling heat-exchange method to sewage and surface water Cooling and Heat Source, it is characterized in that in a step, on described water source water intaking pipeline (53), primarily efficient filter device (58) is set, sewage that water source water pump (51) extracts from water source (52) or the surface water pipeline (53) of fetching water through the water source is transported to after primarily efficient filter device (58) filters, and each the source water that enters into the tube bunch (14) of online antifouling heat-exchanger rig again enters in the layer (26) the heat-obtaining medium heat exchange with the interior series flow of heat-obtaining medium heat exchange layer (27) that enters into tube bunch (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100716469A CN100455972C (en) | 2007-01-17 | 2007-01-17 | Online pollution repellent, heat exchanger equipment and method for tube cluster of cold and heat sources from sewage and surface water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100716469A CN100455972C (en) | 2007-01-17 | 2007-01-17 | Online pollution repellent, heat exchanger equipment and method for tube cluster of cold and heat sources from sewage and surface water |
Publications (2)
| Publication Number | Publication Date |
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| CN101004330A CN101004330A (en) | 2007-07-25 |
| CN100455972C true CN100455972C (en) | 2009-01-28 |
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|---|---|---|---|
| CNB2007100716469A Expired - Fee Related CN100455972C (en) | 2007-01-17 | 2007-01-17 | Online pollution repellent, heat exchanger equipment and method for tube cluster of cold and heat sources from sewage and surface water |
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| CN (1) | CN100455972C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101221096B (en) * | 2008-01-23 | 2010-11-10 | 清华大学 | Plate type heat exchanger on-site testing system with non-clean water as heat exchange medium |
| CN103808177A (en) * | 2013-08-06 | 2014-05-21 | 济南润龙水暖设备有限公司 | Heat recoverer for industrial hot wastewater |
| CN106244173A (en) * | 2016-08-31 | 2016-12-21 | 马庆磊 | Coke oven tedge heat exchanger |
| CN109297349B (en) * | 2018-10-27 | 2020-04-17 | 南通高新工业炉有限公司 | Descaling equipment for inner side wall of port of boiler pipe |
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| DE2023249A1 (en) * | 1970-05-13 | 1971-12-02 | Feldmühle AG, 4000 Düsseldorf | Cleaning heat exchanger tubes - using permanently installed brushes - rotated by vibrating plate |
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|---|---|---|---|---|
| DE2023249A1 (en) * | 1970-05-13 | 1971-12-02 | Feldmühle AG, 4000 Düsseldorf | Cleaning heat exchanger tubes - using permanently installed brushes - rotated by vibrating plate |
| GB2060864A (en) * | 1979-10-24 | 1981-05-07 | Litzberg K L | Method and plant for heat recovery from sewage water |
| DE4327839A1 (en) * | 1993-08-19 | 1994-07-28 | Yuyao Qin | Nozzle falling film evaporator with automatic cleaning system |
| CN1186579C (en) * | 2003-08-06 | 2005-01-26 | 哈尔滨工业大学 | Method and device for using city waste water cold and heat source |
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