CN105928672A - Detachable driving device assembly for large-diameter thermal pipeline - Google Patents

Detachable driving device assembly for large-diameter thermal pipeline Download PDF

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Publication number
CN105928672A
CN105928672A CN201610557314.0A CN201610557314A CN105928672A CN 105928672 A CN105928672 A CN 105928672A CN 201610557314 A CN201610557314 A CN 201610557314A CN 105928672 A CN105928672 A CN 105928672A
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CN
China
Prior art keywords
plate
ring
pipeline
device assembly
large diameter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610557314.0A
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Chinese (zh)
Inventor
张甲立
王艳伶
张丽
徐升乾
项菲
何彬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China 22MCC Group Corp Ltd
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China 22MCC Group Corp Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by China 22MCC Group Corp Ltd filed Critical China 22MCC Group Corp Ltd
Priority to CN201610557314.0A priority Critical patent/CN105928672A/en
Publication of CN105928672A publication Critical patent/CN105928672A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G01M3/28Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
    • G01M3/2807Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes
    • G01M3/2815Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes using pressure measurements

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Pipe Accessories (AREA)

Abstract

The invention relates to a detachable driving device assembly for a large-diameter thermal pipeline, comprising a heat supply pipeline and a pipeline sealing device. The outer side of the periphery of the heat supply pipeline is provided sequentially with an insulation layer and an anticorrosive layer, and the pipeline sealing device comprises a sealing head and a fixed base disposed on the outer periphery of the pipeline; the sealing head includes a flange blind, the middle of which is connected with one end of a connecting sleeve, the outer periphery of the other end of the connecting sleeve is provided with a circular fixed sealing plate, and a circular moving sealing plate is disposed on the inner side of the circular fixed sealing plate; a circular sealing ring is disposed between the circular fixed sealing plate and the circular moving sealing plate. The sealing device of the detachable driving device assembly is simple and easy to mount and install, can be reused after single manufacture, is applicable to segmental testing of long-range pipelines, and enables effectively reduced labor intensity for workers, saved material, shortened construction period, reduced construction cost and improved construction efficiency.

Description

Large diameter heat pipe detachable pressure device assembly
Technical field
The present invention relates to a kind of pipeline construction auxiliary device, specifically, relate to a kind of large diameter heat pipe removable Unload pressure device assembly.
Background technology
In recent years in order to improve the standard of living of town dweller, improve the living condition of resident, and also to reduce sky Carbon emission amount in gas, protects environment, makes the brighter future in clear water blue sky.Dispersed supply of heating is all being phased out in each city Mode, utilizing large power plant or heat supply factory to carry out central heating becomes a kind of development trend of current heat supply, central heating general And degree is more and more higher.
Using central heating, the area of heat-supply service tenfold of each heat supply factory, Radix Achyranthis Bidentatae increase, and have used conventional heat-supplying mode Through not reaching the temperature standard of national regulation, therefore when carrying out central heating, it is high that main pipeline more and more have employed high temperature Pressure hot water heating, heat supply temperature reaches 130 DEG C, and pressure reaches 2.5Mpa.The diameter of pipeline has reached 1200,1400,1600 Mm, the length of main pipeline has also reached more than 10-30Km.
According to urban heating pipeline engineering construction and the requirement of acceptance specification (CJJ28-2014), heat supply pipeline should be by setting Meter requirement carries out pressure test.During conventional pressure test, many employings are directly welded in pipe ends and are suppressed closure plate or suppress end socket Mode.This mode is applicable to the pipeline of former medium-small diameter, after pipe diameter reaches more than 1200mm, as used weldering Connect closure plate and welding end socket can cause situations below: one is that the thickness of closure plate and end socket is by a lot, than pipeline itself for increase Wall thickness is big, and closure plate must the rigidity of ribbing reinforcement self could be used for suppressing, add the usage amount of material, simultaneously closure plate Weight is the biggest, it is necessary to uses crane gear omnidistance cooperation in installation process, adds machine cost, along with the increase of thickness of slab, Welding capacity also increases more, and pipeline welding one road junction such as 1400mm diameter needs specialty weld bond one time.After having tested, also Needing end socket to excise, while the end socket of excision, also the main material of heat affected area is cut away, after cutting, the mouth of pipe also needs weight New finished edge.Two be closure plate and end socket after multiple welding, cutting, the material of welding position changes the most greatly, exists the biggest Hidden danger.Therefore closure plate and end socket can not be reused, and often must change with two to three times.So along with the change of pipe diameter is big, The practice of conventional pipelines closure is the most less desirable at the cost of the aspects such as material, artificial, duration.
Summary of the invention
For above-mentioned deficiency of the prior art, the present invention provides a kind of simple in construction, easy to connect, it is provided that construction effect Rate, reduces the large diameter heat pipe detachable pressure device assembly of construction cost.
The technical solution used in the present invention is:
A kind of large diameter heat pipe detachable pressure device assembly, including heat supply pipeline and pipeline sealing device, heat supply pipeline Periphery be orderly arranged outside each heat-insulation layer and anticorrosive coat,
Pipeline sealing device includes seal head and is arranged on firm banking on pipeline outer circumference surface;
Described seal head includes flange closure plate, and in the middle part of flange closure plate, the one end with branch sleeve is connected, another of branch sleeve Being provided with ring-type fixing seal plate on the outer circumference surface of end, the inner side of ring-type fixing seal plate is provided with ring-type movable sealing plate; It is provided with annular seal ring between ring-type fixing seal plate and ring-type movable sealing plate;Ring-type fixing seal plate and ring-type activity are close The excircle diameter of shrouding is identical;
Flange closure plate is evenly arranged with connecting hole and adjusting hole at circumferencial direction;
Described adjusting hole is arranged on the radially inner side of connecting hole;
Firm banking includes location-plate and connecting plate;
Described location-plate includes left positioner plate and the right positioner plate paralleled with conduit axis, described left positioner plate and the right side It is provided with connecting plate between the location-plate of side;
Described connecting plate is perpendicular with location-plate;
Described connecting plate is U-shaped, and middle part is provided with rectangular recess;
Connection screw rod it is provided with in described connecting hole;
The one end connecting screw rod is connected with flange closure plate by nut;
The other end connecting screw rod passes rectangular recess, is connected with connecting plate by nut;
Described adjusting hole is screwed hole, is provided with adjustment bolt in adjusting hole;
The end adjusting bolt contacts with ring-type movable sealing plate outer face.
Described flange closure plate inner face is provided with reinforcement gusset.
Described reinforcement gusset is that intersecting parallels is arranged.
The quantity of described connecting hole is 16-20.
The quantity of described adjusting hole is 8-10.
Described location-plate and connecting plate height are less than insulation layer thickness.
Described ring-type movable sealing plate inner peripheral surface diameter is more than branch sleeve outer circumference surface diameter.
The beneficial effect of hinge structure of the present invention:
Large diameter heat pipe of the present invention detachable pressure device assembly, sealing device makes and installs simple and convenient, once making Work can reuse, it is adaptable to long-distance pipe Sectional Test, can effectively reduce labor strength, saves material, contracting Casual labourer's phase, reduce construction cost, improve efficiency of construction.
Large diameter heat pipe of the present invention detachable pressure device assembly, good leak tightness, safe and reliable.Location-plate and connection The height of plate, less than the thickness of instrumentation tubes heat-insulation layer, can be removed after test, be directly wrapped in heat-insulation layer, whole Process of the test welding capacity is little, it is not necessary to cutting, improves efficiency of construction.
Accompanying drawing explanation
Fig. 1 is the connection status main TV structure schematic diagram of large diameter heat pipe of the present invention detachable pressure device assembly;
Fig. 2 is the connection status left view structural representation of large diameter heat pipe of the present invention detachable pressure device assembly;
Fig. 3 is the A-A sectional structure schematic diagram of Fig. 1;
Fig. 4 is the connection status perspective view of large diameter heat pipe of the present invention detachable pressure device assembly;
Fig. 5 is the structural representation of the pipeline sealing device of large diameter heat pipe of the present invention detachable pressure device assembly.
Critical piece symbol description in accompanying drawing:
In figure:
1, heat supply pipeline 2, heat-insulation layer
3, anticorrosive coat 4, firm banking
5, flange closure plate 6, branch sleeve
7, ring-type fixing seal plate 8, ring-type movable sealing plate
9, annular seal ring 10, connecting hole
11, adjusting hole 12, connection screw rod
13, nut 14, adjustment bolt
15, gusset is strengthened.
Detailed description of the invention
Referring to the drawings and embodiment the present invention will be described in detail:
Accompanying drawing 1-5 understands, and a kind of large diameter heat pipe detachable pressure device assembly, including heat supply pipeline 1 and seal for pipe joints Device, heat supply pipeline 1 periphery be orderly arranged outside each heat-insulation layer 2 and anticorrosive coat 3,
Pipeline sealing device includes seal head and is arranged on firm banking 4 on pipeline outer circumference surface;
Described seal head includes flange closure plate 5, and in the middle part of flange closure plate 5, the one end with branch sleeve 6 is connected, branch sleeve 6 Being provided with ring-type fixing seal plate 7 on the outer circumference surface of the other end, it is close that the inner side of ring-type fixing seal plate 7 is provided with ring-type activity Shrouding 8;It is provided with annular seal ring 9 between ring-type fixing seal plate 7 and ring-type movable sealing plate 8;Ring-type fixing seal plate 7 He The excircle diameter of ring-type movable sealing plate 8 is identical;
Flange closure plate 5 is evenly arranged with connecting hole 10 and adjusting hole 11 at circumferencial direction;
Described adjusting hole 11 is arranged on the radially inner side of connecting hole 10;
Firm banking 4 includes location-plate 41 and connecting plate 42;
Described location-plate 41 includes left positioner plate and the right positioner plate paralleled with conduit axis, described left positioner plate and Connecting plate 42 it is provided with between right positioner plate;
Described connecting plate 42 is perpendicular with location-plate 41;
Described connecting plate 42 is U-shaped, and middle part is provided with rectangular recess;
Connection screw rod 12 it is provided with in described connecting hole 10;
The one end connecting screw rod 12 is connected with flange closure plate 5 by nut 13;
The other end connecting screw rod 12 passes rectangular recess, is connected with connecting plate 42 by nut 13;
Described adjusting hole 11 is screwed hole, is provided with adjustment bolt 14 in adjusting hole 11;
The end adjusting bolt 14 contacts with ring-type movable sealing plate 8 outer face.
Described flange closure plate 5 inner face is provided with reinforcement gusset 15.
Described reinforcement gusset 15 is arranged in intersecting parallels.
The quantity of described connecting hole 10 is 16-20.
The quantity of described adjusting hole 11 is 8-10.
Described location-plate 41 and connecting plate 42 height are less than heat-insulation layer 2 thickness.
Described ring-type movable sealing plate 8 inner peripheral surface diameter is more than branch sleeve 6 outer circumference surface diameter.
Large diameter heat pipe of the present invention detachable pressure device assembly, sealing device makes and installs simple and convenient, and one Secondary making can reuse, it is adaptable to long-distance pipe Sectional Test, can effectively reduce labor strength, saves material Material, the reduction of erection time, reduces construction cost, improves efficiency of construction.
Large diameter heat pipe of the present invention detachable pressure device assembly, good leak tightness, safe and reliable.Location-plate and connection The height of plate, less than the thickness of instrumentation tubes heat-insulation layer, can be removed after test, be directly wrapped in heat-insulation layer, whole Process of the test welding capacity is little, it is not necessary to cutting, improves efficiency of construction.
Large diameter heat pipe of the present invention detachable pressure device assembly, installation steps are as follows:
1, the part location-plate in fixing device and connecting plate are spliced, be then welded on work as Fig. 1, position shown in 4 Guan Shang.Spacing is not less than 500mm, can adjust according to test pressure and install quantity.
2, figure assembly welding pressed by branch sleeve and fixing seal plate, and ring-type movable sealing sleeve-board is entered branch sleeve, by adapter sleeve Cylinder welds with flange closure plate, and flange closure plate welds with strengthening gusset, strengthens gusset and welds with branch sleeve.
3, caulking gum is enclosed within branch sleeve outer wall, between ring-type fixing seal plate and ring-type movable sealing plate, so After flange end socket is pushed service pipe.
4, it is connected with firm banking with connection screw rod.
5, hold out against movable sealing plate, movable sealing plate crush seal rubber with adjustment bolt, be allowed to tight with instrumentation tubes outer wall Closely connected conjunction reaches stagnant water effect.
6, repeat above operation, at the other end of instrumentation tubes, this device is installed.
7, check installation results, start bulge test.
8, after bulge test, pressure release.
9, unclamp connection screw rod, unclamp adjustment bolt.
10, this device is extracted out in instrumentation tubes, enter next test section.
The above, be only presently preferred embodiments of the present invention, and not the structure to the present invention is made any pro forma Limit.Every any simple modification, equivalent variations and modification above example made according to the technical spirit of the present invention, all In the range of belonging to technical scheme.

Claims (7)

1. a large diameter heat pipe detachable pressure device assembly, including heat supply pipeline and pipeline sealing device, heating tube Road periphery be orderly arranged outside each heat-insulation layer and anticorrosive coat, it is characterised in that
Pipeline sealing device includes seal head and is arranged on firm banking on pipeline outer circumference surface;
Described seal head includes flange closure plate, and in the middle part of flange closure plate, the one end with branch sleeve is connected, another of branch sleeve Being provided with ring-type fixing seal plate on the outer circumference surface of end, the inner side of ring-type fixing seal plate is provided with ring-type movable sealing plate; It is provided with annular seal ring between ring-type fixing seal plate and ring-type movable sealing plate;Ring-type fixing seal plate and ring-type activity are close The excircle diameter of shrouding is identical;
Flange closure plate is evenly arranged with connecting hole and adjusting hole at circumferencial direction;
Described adjusting hole is arranged on the radially inner side of connecting hole;
Firm banking includes location-plate and connecting plate;
Described location-plate includes left positioner plate and the right positioner plate paralleled with conduit axis, described left positioner plate and the right side It is provided with connecting plate between the location-plate of side;
Described connecting plate is perpendicular with location-plate;
Described connecting plate is U-shaped, and middle part is provided with rectangular recess;
Connection screw rod it is provided with in described connecting hole;
The one end connecting screw rod is connected with flange closure plate by nut;
The other end connecting screw rod passes rectangular recess, is connected with connecting plate by nut;
Described adjusting hole is screwed hole, is provided with adjustment bolt in adjusting hole;
The end adjusting bolt contacts with ring-type movable sealing plate outer face.
Large diameter heat pipe detachable pressure device assembly the most according to claim 1, it is characterised in that: described flange blocks up Plate inner face is provided with reinforcement gusset.
Large diameter heat pipe detachable pressure device assembly the most according to claim 2, it is characterised in that: described reinforcement Plate is that intersecting parallels is arranged.
Large diameter heat pipe detachable pressure device assembly the most according to claim 1, it is characterised in that: described connecting hole Quantity be 16-20.
Large diameter heat pipe detachable pressure device assembly the most according to claim 1, it is characterised in that: described adjusting hole Quantity be 8-10.
Large diameter heat pipe detachable pressure device assembly the most according to claim 1, it is characterised in that: described location-plate With connecting plate height less than insulation layer thickness.
Large diameter heat pipe detachable pressure device assembly the most according to claim 1, it is characterised in that: described ring-type work Movable sealing plate inner peripheral surface diameter is more than branch sleeve outer circumference surface diameter.
CN201610557314.0A 2016-07-15 2016-07-15 Detachable driving device assembly for large-diameter thermal pipeline Pending CN105928672A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610557314.0A CN105928672A (en) 2016-07-15 2016-07-15 Detachable driving device assembly for large-diameter thermal pipeline

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610557314.0A CN105928672A (en) 2016-07-15 2016-07-15 Detachable driving device assembly for large-diameter thermal pipeline

Publications (1)

Publication Number Publication Date
CN105928672A true CN105928672A (en) 2016-09-07

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106525357A (en) * 2016-12-08 2017-03-22 赵华刚 High-efficient detection apparatus capable of detecting pipeline in segmented and flexible mode and method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5345813A (en) * 1993-03-19 1994-09-13 Buffalo Environmental Products Corporation Pressure testable flexible piping penetration
CN102589812A (en) * 2012-02-23 2012-07-18 无锡华光锅炉股份有限公司 Two-segment type water-pressure sealed bulging piston for large-caliber collecting box
FR2982951A1 (en) * 2011-11-23 2013-05-24 Diam Bouchage Test cell for measuring permeability of e.g. oxygen in joint seal cap of e.g. champagne bottle, has peripheral supply opening that successively crosses distribution plate and ring to emerge into annular space
FR2982950A1 (en) * 2011-11-23 2013-05-24 Diam Bouchage CELL FOR MEASURING PERMEABILITY OF PLUGS
CN203743714U (en) * 2014-01-22 2014-07-30 重庆工业设备安装集团有限公司 Pipe end sealing and pressure testing tool of plastic water feeding pipeline
CN205826247U (en) * 2016-07-15 2016-12-21 中国二十二冶集团有限公司 Large diameter heat pipe detachable pressure device assembly

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5345813A (en) * 1993-03-19 1994-09-13 Buffalo Environmental Products Corporation Pressure testable flexible piping penetration
FR2982951A1 (en) * 2011-11-23 2013-05-24 Diam Bouchage Test cell for measuring permeability of e.g. oxygen in joint seal cap of e.g. champagne bottle, has peripheral supply opening that successively crosses distribution plate and ring to emerge into annular space
FR2982950A1 (en) * 2011-11-23 2013-05-24 Diam Bouchage CELL FOR MEASURING PERMEABILITY OF PLUGS
CN102589812A (en) * 2012-02-23 2012-07-18 无锡华光锅炉股份有限公司 Two-segment type water-pressure sealed bulging piston for large-caliber collecting box
CN203743714U (en) * 2014-01-22 2014-07-30 重庆工业设备安装集团有限公司 Pipe end sealing and pressure testing tool of plastic water feeding pipeline
CN205826247U (en) * 2016-07-15 2016-12-21 中国二十二冶集团有限公司 Large diameter heat pipe detachable pressure device assembly

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106525357A (en) * 2016-12-08 2017-03-22 赵华刚 High-efficient detection apparatus capable of detecting pipeline in segmented and flexible mode and method thereof
CN106525357B (en) * 2016-12-08 2019-06-21 赵华刚 A kind of segmentation flexibly detects the efficient detection device and method of pipeline

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Application publication date: 20160907

RJ01 Rejection of invention patent application after publication