CN108911474A - A kind of belt type sludge low temperature drying equipment using waste heat - Google Patents
A kind of belt type sludge low temperature drying equipment using waste heat Download PDFInfo
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- CN108911474A CN108911474A CN201811049815.3A CN201811049815A CN108911474A CN 108911474 A CN108911474 A CN 108911474A CN 201811049815 A CN201811049815 A CN 201811049815A CN 108911474 A CN108911474 A CN 108911474A
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- 239000010802 sludge Substances 0.000 title claims abstract description 124
- 238000001035 drying Methods 0.000 title claims abstract description 59
- 239000002918 waste heat Substances 0.000 title claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 26
- 238000001914 filtration Methods 0.000 claims abstract description 15
- 238000009413 insulation Methods 0.000 claims abstract description 13
- 206010009866 Cold sweat Diseases 0.000 claims abstract description 11
- 238000001125 extrusion Methods 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 239000013618 particulate matter Substances 0.000 claims description 5
- 239000010425 asbestos Substances 0.000 claims description 3
- 238000004321 preservation Methods 0.000 claims description 3
- 229910052895 riebeckite Inorganic materials 0.000 claims description 3
- 238000005119 centrifugation Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 238000000034 method Methods 0.000 description 10
- 238000009833 condensation Methods 0.000 description 8
- 230000005494 condensation Effects 0.000 description 8
- 238000001704 evaporation Methods 0.000 description 8
- 230000008020 evaporation Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/10—Energy recovery
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a kind of belt type sludge low temperature drying equipments using waste heat, including thermal-insulating sealing framework, filtering condensing unit, heat exchange vaporising device and circulating fan, the thermal-insulating sealing framework limits left installing zone and right installing zone, the left installing zone is separated with the right installing zone by thermal-insulation baffle plate sealing, first through hole is provided at the top of the thermal-insulation baffle plate, the bottom of the thermal-insulation baffle plate is equipped with the second through-hole, the filtering condensing unit is mounted in the left installing zone, and the heat exchange vaporising device is mounted in the right installing zone.The present invention passes through the setting of thermal-insulating sealing framework, so that the condenser in filtering condensing unit is spaced from each other with the heat exchanger in heat exchange vaporising device, it ensure that the moisture in damp-heat air is condensed and liquefy and formed the effect of clammy air, the conducting effect of heat is in turn ensured simultaneously, to improve capacity usage ratio, reduce costs.
Description
Technical field
The present invention relates to sludge drying technique fields, and in particular to a kind of to be set using the belt type sludge low temperature desiccation of waste heat
It is standby.
Background technique
Industrial sludge or municipal sludge (sludge for referring generally to sewage treatment plants generation) are de- through chemical conditioning and machinery
General moisture content is between 65%~85% after water, and sludge drying refers to by the various modes such as heating, evaporating for water in sludge
Divide further removal, makes reducing sludge volume and facilitate the method for further harmless treatment.
Sludge drying device by thermal medium and the sludge way of contact can be divided into direct-heating type, indirect heating type and directly/
Indirect three kinds of formula of combined drying.Fluidized bed desiccation, belt-type drying, the desiccation of paddle formula, horizontal rotating disc type can be divided by technology type
Five kinds of desiccation and vertical disc formula desiccation etc..High temperature (being greater than 200 DEG C), medium temperature can be divided into again by the temperature height for providing thermal medium
(100 DEG C~200 DEG C) and low temperature (less than 100 DEG C) sludge drying.
It is substantially similar or identical in existing sludge at low temperature drying equipment principle, usually there is dehumidifying heat pump sludge at low temperature desiccation
Technology and Waste Heat Reuse sludge at low temperature drying technique.
The principle of low temperature sludge drying：It, will by heat-exchange device using various forms of active heat sources or remaining waste heat source
Its thermal energy converts (mediate contact utilizes, and heat source cold source is not contacted with sludge, not by sludge pollution), the sky after being heated
Gas stacks layer under the drive of interior circulating fan, by the sludge with certain air penetrability, takes the moisture evaporation in sludge out of shape
At damp-heat air, enter back into condensing zone, damp-heat air to the cold after, vapor forms dew condensation and is precipitated, and by collecting outflow
Equipment discharge system reenters heat exchange zone and evaporating area through condensed air, and so circulation is constantly by the water in sludge
Divide low-temperature evaporation, condense.
Compared with other kinds of sludge drying technique, major advantage has sludge at low temperature drying technique：1, the water in sludge
Evaporation drying process is divided to carry out under conditions of low temperature (less than 100 DEG C), the organic matter in sludge only has very low amount from sludge
In be evaporated, equipment formed condensed water substantially without pollution can direct emission；2, the medium air for evaporating, condensing,
In a stringent closed space cycle, do not spread outwardly, therefore the drying process odorless of sludge generates；3, in the energy
Using in consideration, sludge at low temperature desiccation makes full use of remaining waste heat, waste cold, saves drying cost, especially in some remaining waste heat
Sufficient enterprise, the hot cost of the desiccation of sludge is substantially zeroed, and system only needs very small amount of machine power cost.
But there is also some disadvantages for existing sludge at low temperature drying technique at present.Such as the sludge using heat pump techniques
When low temperature drying equipment, system needs to use power consumption energy, internal overall in thermal diffusion, expansion, thus need it is additional increase cold source,
Otherwise internal circulation hot gas expanded by heating overflows by force, forms secondary pollution.In addition, the construction based on heat pump system, condensation
Device and heat exchanger are placed in side substantially, and such condenser can influence each other with heat exchanger, reduce efficiency of heating- utilization.In addition this is
System utilizes electric energy, and formation evaporation, condensation temperature are poor, and electric cost is relatively high, and every degree electricity about evaporates 3~4kg water, is equivalent to dry
The sludge of change 82% or so needs the electric cost of 250kw.h or so, higher cost.And utilize the sludge at low temperature desiccation of waste heat
The drying efficiency of equipment is relatively poor.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of belt type sludge low temperature drying equipments using waste heat, use
In solving the problems, such as that the at high cost of sludge at low temperature drying equipment in the prior art, drying efficiency are low.
For this purpose, according to an embodiment of the invention, the belt type sludge low temperature drying equipment includes：
Thermal-insulating sealing framework, the thermal-insulating sealing framework limit left installing zone and right installing zone, the left installing zone with
The right installing zone is separated by thermal-insulation baffle plate sealing, and first through hole, the thermal insulation separation are provided at the top of the thermal-insulation baffle plate
The bottom of plate is equipped with the second through-hole；
Condensing unit is filtered, the filtering condensing unit is mounted in the left installing zone, and the solidifying device of filtering includes
Condenser, for make the moisture in damp-heat air be condensed liquefaction and form clammy air；
Exchange heat vaporising device, and the heat exchange vaporising device is mounted in the right installing zone, the heat exchange vaporising device packet
The heat exchanger that the right installing zone bottom is set and the sludge conveyer belt above the heat exchanger are included, the heat exchanger is logical
It crosses second through-hole to receive by the condensed clammy air of condenser, and the clammy air is made to become heated dry air；And
The top of the left installing zone is arranged in circulating fan, the circulating fan, and the air inlet of the circulating fan is logical
It crosses the first through hole and is connected to the right installing zone, the air outlet of the circulating fan is placed in the left installing zone.
As the further optinal plan of the belt type sludge low temperature drying equipment, the circulating fan is that middle pressure is centrifuged wind
Machine.
As the further optinal plan of the belt type sludge low temperature drying equipment, medium pressure centrifugal blower be it is multiple,
Multiple medium pressure centrifugal blowers are arranged along the direction of transfer uniform intervals of the sludge conveyer belt.
As the further optinal plan of the belt type sludge low temperature drying equipment, the thermal-insulating sealing framework is by stainless steel
Square tube connects, filled with heat preservation asbestos in the stainless steel square tube.
As the further optinal plan of the belt type sludge low temperature drying equipment, the left installing zone is formed from top to bottom
There are left firstth area, left secondth area, left third area, left 4th area and left 5th area, the circulating fan to be arranged described left first
In area, the filtering condensing unit further includes water-collecting tray, and the water-collecting tray is located at the lower section of the condenser, and described left second
Each of area, the left third area and described left 4th area at least provided with condenser and the water-collecting tray described in one group,
Left 5th area is connected to the right installing zone by second through-hole.
As the further optinal plan of the belt type sludge low temperature drying equipment, in left firstth area and described left the
It is additionally provided with left 6th area between 2nd area, is provided with filter in left 6th area, for filtering from the circulating fan
The particulate matter in damp-heat air come.
As the further optinal plan of the belt type sludge low temperature drying equipment, the right installing zone is formed from top to bottom
Right firstth area, right secondth area, right third area and right 4th area, right firstth area is connected to the left side by the first through hole
Firstth area, the sludge conveyer belt is arranged in right firstth area, right secondth area and the right third area, described
Heat exchanger is arranged in right 4th area.
As the further optinal plan of the belt type sludge low temperature drying equipment, the both ends of the sludge conveyer belt are equipped with
Striker plate, for so that entering the right third area from right firstth area along the sludge conveyer belt to dewatered sludge.
As the further optinal plan of the belt type sludge low temperature drying equipment, the right third area output end also
It is connected with sludge conveyer, for conveying the sludge after desiccation.
As the further optinal plan of the belt type sludge low temperature drying equipment, also set at the top of the right installing zone
There is sludge extrusion pelletizer.
Beneficial effects of the present invention：
Left installing zone and the right side according to the belt type sludge low temperature drying equipment in above embodiments, due to thermal-insulating sealing framework
The sealing of installing zone is spaced apart, and condenser is mounted on left installing zone, and heat exchanger is mounted on right installing zone, thus will
Heat exchanger is separated with condenser, has been prevented the influence that condenses work of the thermal diffusion to left installing zone of heat exchanger, ensure that damp and hot
Moisture in air, which is condensed, liquefies and is formed the effect of clammy air, while heat diffuses up, and is more advantageous to installing zone to the right
The heat transfer of the interior sludge conveyer belt above heat exchanger, in turn ensures the conducting effect of heat, to improve energy utilization
Rate reduces costs, and improves drying efficiency.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 show according to embodiments of the present invention provided by a kind of belt type sludge low temperature drying equipment using waste heat
Main view；
Fig. 2 shows provided a kind of belt type sludge low temperature drying equipments using waste heat according to embodiments of the present invention
Side view.
Main element symbol description：
100- thermal-insulating sealing framework；200- filters condensing unit；300- heat exchange vaporising device；400- circulating fan；500-
Humidity sensor；600- sludge conveyer；700- sludge extrusion pelletizer；The left installing zone of 110-；The right installing zone of 120-；130- is protected
Temperature dummy plate；210- condenser；220- water-collecting tray；230- filter；310- heat exchanger；320- sludge conveyer belt；330- speed reducer；
The equal windshield plate of 410-；The firstth area of the left side 111-；The secondth area of the left side 112-；The left third area 113-；The 4th area of the left side 114-；The left side 115- the 5th
Area；The 6th area of the left side 116-；The firstth area of the right side 121-；The secondth area of the right side 122-；The right third area 123-；The 4th area of the right side 124-；131- first
Through-hole；The second through-hole of 132-；321- side baffle；322- first end plate；The second end plate of 323-；1000- waits for dewatered sludge.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
Embodiment
Present embodiments provide a kind of belt type sludge low temperature drying equipment using waste heat.
Fig. 1-2 is please referred to, which includes thermal-insulating sealing framework 100, filtering condensing unit
200, exchange heat vaporising device 300 and circulating fan 400.
Wherein, thermal-insulating sealing framework 100 limits left installing zone 110 and right installing zone 120, left installing zone 110 and right peace
Dress area 120 is separated by the sealing of thermal-insulation baffle plate 130, and the top of thermal-insulation baffle plate 130 is provided with first through hole 131, thermal-insulation baffle plate 130
Bottom be equipped with the second through-hole 132.Filtering condensing unit 200 is mounted in left installing zone 110, and filtering condensing unit 200 includes
Condenser 210, for make the moisture in damp-heat air be condensed liquefaction and form clammy air.The vaporising device 300 that exchanges heat is installed
In right installing zone 120, heat exchange vaporising device 300 includes the heat exchanger 310 of right 120 bottom of installing zone being arranged in and in heat exchange
The sludge conveyer belt 320 of 310 top of device, heat exchanger 310 are received condensed wet by condenser 210 by the second through-hole 132
Cold air, and clammy air heating is made to become heated dry air.The top of left installing zone 110, circulated air is arranged in circulating fan 400
The air inlet of machine 400 is connected to right installing zone 120 by first through hole 131, and the air outlet of circulating fan 400 is placed in left installing zone
In 110.
In this way, passing through the effect of circulating fan 400, recirculating air flow can be formed inside thermal-insulating sealing framework 100, the circulation
The air outlet of distinguished and admirable self-loopa blower 400 along left installing zone 110 downwardly into the bottom of right installing zone 120, then toward last time
To the air inlet of circulating fan 400, in above process, due to the left installing zone 110 and right installing zone of thermal-insulating sealing framework 100
120 sealing is spaced apart, and condenser 210 is mounted on left installing zone 110, and heat exchanger 310 is mounted on right installing zone
120, thus heat exchanger 310 and condenser 210 are separated, prevented the thermal diffusion of heat exchanger 310 to the cold of left installing zone 110
The influence of solidifying work ensure that the moisture in damp-heat air is condensed and liquefy and formed the effect of clammy air, while to do
Hot-air diffuses up, and is more advantageous to the heat transfer of the sludge conveyer belt 320 in 310 top of heat exchanger in installing zone 120 to the right,
It in turn ensures the conducting effect of heat, to improve capacity usage ratio, reduces costs, improve drying efficiency.
In addition, due to the top that circulating fan 400 is placed in left installing zone 110, be conducive to the assembly and disassembly of circulating fan 400 with
The maintenance in later period.
In embodiments of the present invention, centrifugal blower is pressed in the use of circulating fan 400.The effect of centrifugal blower is pressed in this is
Certain positive pressure is provided to left installing zone 110, condensation effect can be strengthened, while forming negative pressure, enhanced water evaporation effect in right installing zone 120
The desiccation of fruit, the belt type sludge low temperature drying equipment for improving equipment by the dual invigoration effect of middle pressure centrifugal blower in this way is imitated
Rate.
It is understood that the control of air circulation is quite crucial, and air circulation is excessive in sludge at low temperature drying technique
When, the time that heated dry air is contacted with wet mud is insufficient, and the moisture content taken out of not enough forms saturation, reaches dew without saturated steam
The temperature difference that point condensation needs is larger, until making not condensing or condensation effect is poor after entering left installing zone 110；Air circulation is too small
When, and be unfavorable for improving the drying efficiency of belt type sludge low temperature drying equipment.
In this regard, in embodiments of the present invention, pressing centrifugal blower to be provided among the above multiple, and along the sludge conveyer belt
320 direction of transfer uniform intervals arrangement.
Further, at the adaptation position of thermal-insulating sealing framework 100, such as the upper end of right installing zone 120 is additionally provided with
Humidity sensor 500, temperature sensor, frequency converter etc., pressure centrifugal blower is in parallel in more, and the air quantity of middle pressure centrifugal blower by
The humidity sensor 500 and frequency converter installed in right 120 upper end of installing zone jointly control, and when humidity reduces, reduce circulation
Air quantity, and increase air circulation again when relative humidity reaches 100%, the relative humidity for controlling right 120 upper end of installing zone exists
Between 97%~100%, guarantee that condensation is efficient.
In general, the wind speed into and out of air port of middle pressure centrifugal blower is larger, to guarantee damp-heat air uniform collection and equal
It is even by left installing zone 110, also installing equal windshield plate 410 into and out of air port and carry out equal wind in circulating fan 400.
Similar, it is also equipped with equal windshield plate 410 at the both ends of heat exchanger 310, is used to equal wind.
In embodiments of the present invention, it in order to guarantee the thermal-insulating sealing effect of entire belt type sludge low temperature drying equipment, protects
Temperature sealing framework 100 is combined by stainless steel square tube, siding to connect, and sealing thermal insulation maintenance door is arranged in suitable position, no
Become rusty steel square tube, siding, in maintenance door filled with heat preservation asbestos.
Referring to FIG. 2, in embodiments of the present invention, left installing zone 110 is formed with left first area 111, a left side from top to bottom
Second area 112, left third area 113, left 4th area 114 and left 5th area 115, the setting of circulating fan 400 is in left first area 111
Interior, filtering condensing unit 200 further includes water-collecting tray 220, and water-collecting tray 220 is located at the lower section of condenser 210, left second area 112, a left side
Each of third area 113 and left 4th area 114 are at least provided with one group of condenser 210 and water-collecting tray 220, left 5th area
115 are connected to right installing zone 120 by the second through-hole 132.
In this way, passing through the setting of multiple groups condenser 210 and water-collecting tray 220, it is ensured that is come out from circulating fan 400 is wet
Moisture in hot-air can be by sufficient condensation liquefaction, while again since each group condenser 210 and water-collecting tray 220 are in stratiform
It is provided separately, and can be very good to prevent from condensing to drip to impact the condenser 210 of lower layer, be conducive to extend condenser
210 service life.
It should be noted that above-mentioned condenser 210 and water-collecting tray 220 modularization can be installed to left peace in a manner of disassembly
It fills in area 110, each group of module includes a condenser 210 and a water-collecting tray 220, and each group of module settable two cold
Source water inlet and discharge outlet are collected to the water supply and sewage main pipeline of 210 lower end of condenser.All water-collecting trays 220 are collected cold
Condensate through water supply and sewage main pipeline collection after, water seal arrangement discharge system can be transmitted to and be discharged belt type sludge low temperature drying equipment it
Outside, water obtained by drying process is collected and measured to also settable collecting vessel when necessary, compares situation convenient for test energy consumption.
In embodiments of the present invention, the cold source for needing to use is not necessarily to lower cold source at 25~35 DEG C.Cold source into
It directly comes out, is not polluted after entering condenser 210, therefore the Application Range of cold source is wide.If there is abundance can utilize cold source,
It can directly utilize.If it is not, can cold source scale be added clearly as required beside belt type sludge low temperature drying equipment
Water cooling tower, coolant circulation pump provide power under, cold source tap water heats up after condensing, into cooling tower cooling again at
Enter condenser 210 for new cold source.
In addition to the above, left 6th area 116 is additionally provided between left first area 111 and left second area 112, on a left side the 6th
Filter 230 is provided in area 116, for filtering the particulate matter from the damp-heat air that circulating fan 400 comes out.
The setting for passing through filter 230 in this way, can remove the particulate matter that may come from right 120 band of installing zone, in order to avoid
The particulate matter is adhered on the fin of condenser 210, reduces its heat transfer efficiency.
In some specific embodiments, medium effeciency filter, primary filter or both knot is can be used in filter 230
It closes.
Incorporated by reference to reference Fig. 1-2, in embodiments of the present invention, right installing zone 120 forms right firstth area from top to bottom
121, right second area 122, right third area 123 and right 4th area 124, right first area 121 are connected to left the by first through hole 131
One area 111, in right first area 121, right second area 122 and right third area 123, heat exchanger 310 is set the setting of sludge conveyer belt 320
It sets in right 4th area 124.
In other words, it is provided with heat exchanger 310 in the 4th area 124 of the right side of the bottom in right installing zone 120, and in heat exchanger
310 top is provided with three groups of sludge conveyer belts 320, passes through the comprehensive function of heat exchanger 310 and sludge conveyer belt 320 in this way,
It can guarantee and good desiccation is carried out to sludge.
Specifically, three groups of sludge conveyer belts 320 are driven by speed reducer 330 respectively, distinguished using three speed reducers 330
Power is transmitted to three layers of sludge conveyer belt 320, the revolving speed of transmission can be separately adjustable, can realize by adjusting revolving speed with dirt in this way
The layer-by-layer desiccation of mud successively increases the landfill thickness of sludge, and then increases the time of contact of heated dry air and wet mud, improves dirty
Mud drying efficiency.
In certain specific embodiments, above-mentioned sludge conveyer belt 320 using stainless steel chain steel mesh belt (support) and
The combination of pet mesh belt.
In addition, it is additionally provided with striker plate on sludge conveyer belt 320 to prevent sludge side excessive and the cabling of specification sludge,
For blocking sludge, so that entering right third area from right first area 121 along sludge conveyer belt 320 to dewatered sludge 1000
123。
Specifically, striker plate includes that the side baffle 321 that 320 two sides of sludge conveyer belt are arranged in and setting are transmitted in sludge
First end plate 322 with 320 one end and the second end plate 323 that 320 other end of sludge conveyer belt is set, wherein first end plate
322 for preventing sludge from overflowing from the end, and the second end plate 323 is used for the trend of specification sludge, enables sludge in second end
It is entered on the sludge conveyer belt 320 of lower layer under the limitation of plate 323.
With continued reference to FIG. 1, the output end in right third area 123 is also connected with sludge conveyer 600, for conveying desiccation
Sludge afterwards, while the material of the sludge conveyer 600 and its output end also acts as the function of reinforcing the sealing of this equipment.
In addition, it is additionally provided with sludge extrusion pelletizer 700 at the top of right installing zone 120, the sludge extrusion pelletizer 700
Purpose is the contact surface in order to increase sludge and heated dry air, promotes sludge drying efficiency, while also facilitating the sludge after desiccation
Transport, packaging etc..This civilization uses the sludge extrusion pelletizer 700 of an active-feeding formula, comprehensive adaptation 65%~85%
Water content sludge guarantees that charging is uniformly distributed in linear areas.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (10)
1. a kind of belt type sludge low temperature drying equipment using waste heat, which is characterized in that including：
Thermal-insulating sealing framework, the thermal-insulating sealing framework limit left installing zone and right installing zone, the left installing zone with it is described
Right installing zone is separated by thermal-insulation baffle plate sealing, and first through hole is provided at the top of the thermal-insulation baffle plate, the thermal-insulation baffle plate
Bottom is equipped with the second through-hole；
Condensing unit is filtered, the filtering condensing unit is mounted in the left installing zone, described to filter solidifying device including condensing
Device, for make the moisture in damp-heat air be condensed liquefaction and form clammy air；
Exchange heat vaporising device, and the heat exchange vaporising device is mounted in the right installing zone, and the heat exchange vaporising device includes setting
It sets heat exchanger and the sludge conveyer belt above the heat exchanger, the heat exchanger in the right installing zone bottom and passes through institute
It states the second through-hole and receives and pass through the condensed clammy air of the condenser, and the clammy air is made to become heated dry air；And
The top of the left installing zone is arranged in circulating fan, the circulating fan, and the air inlet of the circulating fan passes through institute
It states first through hole and is connected to the right installing zone, the air outlet of the circulating fan is placed in the left installing zone.
2. belt type sludge low temperature drying equipment as described in claim 1, which is characterized in that the circulating fan is the centrifugation of middle pressure
Blower.
3. belt type sludge low temperature drying equipment as claimed in claim 2, which is characterized in that medium pressure centrifugal blower is more
A, multiple medium pressure centrifugal blowers are arranged along the direction of transfer uniform intervals of the sludge conveyer belt.
4. belt type sludge low temperature drying equipment as described in claim 1, which is characterized in that the thermal-insulating sealing framework is by stainless
Steel square tube connects, filled with heat preservation asbestos in the stainless steel square tube.
5. belt type sludge low temperature drying equipment as described in claim 1, which is characterized in that left installing zone shape from top to bottom
At having left firstth area, left secondth area, left third area, left 4th area and left 5th area, the circulating fan setting is described left the
In one area, the filtering condensing unit further includes water-collecting tray, and the water-collecting tray is located at the lower section of the condenser, and described left second
Each of area, the left third area and described left 4th area at least provided with condenser and the water-collecting tray described in one group,
Left 5th area is connected to the right installing zone by second through-hole.
6. belt type sludge low temperature drying equipment as claimed in claim 5, which is characterized in that in left firstth area and the left side
It is additionally provided with left 6th area between secondth area, is provided with filter in left 6th area, for filtering from the circulating fan
The particulate matter in damp-heat air out.
7. belt type sludge low temperature drying equipment as claimed in claim 5, which is characterized in that right installing zone shape from top to bottom
At right firstth area, right secondth area, right third area and right 4th area, right firstth area is connected to described by the first through hole
Left firstth area, the sludge conveyer belt are arranged in right firstth area, right secondth area and the right third area, institute
Heat exchanger is stated to be arranged in right 4th area.
8. belt type sludge low temperature drying equipment as claimed in claim 7, which is characterized in that the both ends of the sludge conveyer belt are set
There is striker plate, for so that entering the right third from right firstth area along the sludge conveyer belt to dewatered sludge
Area.
9. belt type sludge low temperature drying equipment as claimed in claim 8, which is characterized in that the output end in the right third area
It is also connected with sludge conveyer, for conveying the sludge after desiccation.
10. belt type sludge low temperature drying equipment as described in claim 1, which is characterized in that at the top of the right installing zone
It is additionally provided with sludge extrusion pelletizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811049815.3A CN108911474A (en) | 2018-09-10 | 2018-09-10 | A kind of belt type sludge low temperature drying equipment using waste heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811049815.3A CN108911474A (en) | 2018-09-10 | 2018-09-10 | A kind of belt type sludge low temperature drying equipment using waste heat |
Publications (1)
| Publication Number | Publication Date |
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| CN108911474A true CN108911474A (en) | 2018-11-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811049815.3A Pending CN108911474A (en) | 2018-09-10 | 2018-09-10 | A kind of belt type sludge low temperature drying equipment using waste heat |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111943475A (en) * | 2020-09-09 | 2020-11-17 | 碧楚优(青岛)环保科技有限公司 | Sludge treatment method and system |
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| CN107285592A (en) * | 2017-07-05 | 2017-10-24 | 哈尔滨工业大学 | A kind of double-stage tandem type heat pump sludge drier |
| CN206736065U (en) * | 2017-04-28 | 2017-12-12 | 浩蓝环保股份有限公司 | A kind of sludge at low temperature desiccation apparatus |
| CN107473562A (en) * | 2017-10-09 | 2017-12-15 | 利得环境科技（北京）有限公司 | Utilize the sludge drying system and sludge drying method of used heat flue gas |
| CN208843929U (en) * | 2018-09-10 | 2019-05-10 | 曾思贤 | A kind of belt type sludge low temperature drying equipment using waste heat |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP0356388A2 (en) * | 1988-08-22 | 1990-02-28 | Robert Baer | Process and apparatus for dehydrating water-containing masses |
| CN106045275A (en) * | 2016-07-21 | 2016-10-26 | 黄志荣 | Sludge drying system |
| CN206736065U (en) * | 2017-04-28 | 2017-12-12 | 浩蓝环保股份有限公司 | A kind of sludge at low temperature desiccation apparatus |
| CN107285592A (en) * | 2017-07-05 | 2017-10-24 | 哈尔滨工业大学 | A kind of double-stage tandem type heat pump sludge drier |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111943475A (en) * | 2020-09-09 | 2020-11-17 | 碧楚优(青岛)环保科技有限公司 | Sludge treatment method and system |
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