CN2247270Y - Joint for connection of high-temp. thermal-insulating pipe - Google Patents
Joint for connection of high-temp. thermal-insulating pipe Download PDFInfo
- Publication number
- CN2247270Y CN2247270Y CN 96207329 CN96207329U CN2247270Y CN 2247270 Y CN2247270 Y CN 2247270Y CN 96207329 CN96207329 CN 96207329 CN 96207329 U CN96207329 U CN 96207329U CN 2247270 Y CN2247270 Y CN 2247270Y
- Authority
- CN
- China
- Prior art keywords
- pipe
- repaired mouth
- thickness
- length
- sleeve pipe
- 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.)
- Expired - Fee Related
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- 239000000835 fiber Substances 0.000 claims abstract description 13
- 229920003023 plastic Polymers 0.000 claims abstract description 12
- 239000004033 plastic Substances 0.000 claims abstract description 12
- 239000011248 coating agent Substances 0.000 claims abstract description 10
- 238000000576 coating method Methods 0.000 claims abstract description 10
- 229920001971 elastomer Polymers 0.000 claims abstract description 10
- 239000000806 elastomer Substances 0.000 claims abstract description 9
- 238000009413 insulation Methods 0.000 claims description 27
- 239000003292 glue Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 abstract description 2
- 230000001681 protective effect Effects 0.000 abstract 2
- 230000007812 deficiency Effects 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920003225 polyurethane elastomer Polymers 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
Abstract
The utility model relates to a mouth repairing joint for the connection of high temperature heat-insulating pipes, which comprises a steel pipe, a heat-insulating layer, an outer protective pipe, a mouth repairing sleeve, a mouth repairing heat-insulating layer, a water-proof rubber layer, an elastomer layer, a fiber cushion layer, a plastic heat shrinking sleeve, a sealing coating, etc. The utility model has the advantages of good protective performance, good water-proof performance, good corrosion-proof performance, good compensation performance for heat deformation, simple fabrication and low fabrication cost. The utility model is suitable for the direct burying or overhead laying of the high temperature heat-insulating pipelines.
Description
The utility model relates to a kind of high temperature heat insulation pipe connection mending orifice joint, and it comprises a kind of thermal insulation pipe connection mending orifice joint with steel pipe, thermal insulation layer, outer pillar.
Existing thermal insulation pipe connects the mending orifice joint of usefulness, adopts polyethylene repaired mouth sleeve pipe, and its deficiency is that ageing resistance is poor, causes behind the cracking that thermal insulation layer infiltrates moisture and makes pipe corrosion and influence heat insulation effect.Adopting its deficiency of bellows repaired mouth sleeve pipe is complex structure, cost height, maintenance inconvenience.Disclose a kind of sealing mending orifice joint that adopts polyurethane elastomer among the B. P. GB2027158A, its deficiency is to be unsuitable for being incubated under the hot environment.
The purpose of this utility model is to avoid above-mentioned deficiency of the prior art and a kind of have good barrier propterty, water-proof performance, antiseptic property, thermal distortion compensation performance is provided, and makes the high temperature heat insulation pipe connection mending orifice joint easy, that cost is lower.
The purpose of this utility model can reach by following measure.
A kind of high temperature heat insulation pipe of the present utility model connects uses mending orifice joint, comprise steel pipe 1,1 ', thermal insulation pipe 2,2 ', outer pillar 3,3 ', it is characterized in that pillar 3 outside, 3 ' the outer surface of end repaired mouth sleeve pipe 4 is arranged, at repaired mouth sleeve pipe 4 and steel pipe 1,1 ' between repaired mouth thermal insulation layer 5 is arranged, repaired mouth sleeve pipe 4 and outside Waterproof glue line 6 is arranged in the slit between the pillar 3, there is the elastomer layer 7 that joins topped on outer pillar 3 outer surfaces with Waterproof glue line 6, at the outer surface of elastomer layer 7 and the outer surface of repaired mouth sleeve pipe 4 ends fiber cushion 8 is arranged, at its outer surface of fiber cushion 8 plastic hot shrink sleeve 9 is arranged, there is seal coating 10 its end, 10 ', repaired mouth sleeve pipe 4 and outer pillar 3 ' between by weld seam 11 welding, and seal with coating 12.
The purpose of this utility model can also reach by following measure.
High temperature heat insulation pipe of the present utility model connects uses mending orifice joint, outer pillar 3,3 ' and repaired mouth sleeve pipe 4 be steel material.
High temperature heat insulation pipe connects uses mending orifice joint, steel pipe 1,1 ' caliber be 720mm, length 12m, wall thickness 8mm, outer pillar 3,3 ' external diameter are 880mm, wall thickness 6mm, the internal diameter of repaired mouth sleeve pipe 4 is 890mm, wall thickness 6mm, with outer pillar 3,3 ' lap length be 100mm, the thickness of Waterproof glue line 6 is 5mm, the thickness 12mm of elastomer layer 7, length are 60mm, the thickness of fiber cushion 8 is that 10mm, length are 80mm, and the length of plastic hot shrink sleeve 9 is that 200m, thickness are that 3mm, internal diameter are 980m.
Further specify the utility model below in conjunction with accompanying drawing.
Fig. 1 is that high temperature heat insulation pipe of the present utility model connects the sectional view with mending orifice joint.
Among the figure: 1,1 '---steel pipe; 2,2 '---thermal insulation layer; 3,3 '---outer pillar; 4---the repaired mouth sleeve pipe; 5---the repaired mouth thermal insulation layer; 6---Waterproof glue line; 7---elastomer layer; 8---fiber cushion; 9---the plastic hot shrink sleeve; 10,10 '---seal coating; 11---weld seam; 12---coating.
The manufacture method of joint for connection of high-temp. thermal-insulating pipe of the present utility model is as follows:
At first two heat preservation pipe prefabricated 1 or 1 of pre-connection ' be inserted in repaired mouth sleeve pipe 4 and plastic hot Shrink cover 9, can be inserted in advance during such as employing plastic hot contraction bands. With steel pipe 1,1 ' centering And welding, make repaired mouth heat-insulation layer 5. Repaired mouth sleeve pipe 4 is installed to the repaired mouth fragment position, and protects outward Pipe 3,3 ' overlap joint, the place, slit between repaired mouth sleeve pipe 4 and outer pillar 3 inserts Waterproof glue line 6, Cladding elastomer layer 7 clads fiber cushion 8 again, again plastics heat shrinking sleeve 9 is installed to repaired mouth Fragment position clads after the heating in fiber cushion 8 outer surfaces, and both ends clad respectively in the repaired mouth sleeve pipe The outer surface of 4 outer surfaces and outer pillar 3, its end coating seal coating 10,10 '. The other end Outer pillar 3 ' and repaired mouth sleeve pipe 4 be welding as one by weld seam 11, and seal with coating 12.
Embodiment 1: high temperature heat insulation pipe connects uses mending orifice joint
The utility model compared with prior art has the following advantages:
1, joint for connection of high-temp. thermal-insulating pipe of the present utility model has good protection Performance, water resistance, Corrosion Protection, thermal distortion compensation performance;
2, manufacture method is simple, cost is low;
3, be suitable for the insulation of high-temperature pipe direct-burried.
Claims (4)
1, a kind of high temperature heat insulation pipe connects uses mending orifice joint, comprise steel pipe (1,1 '), thermal insulation layer (2,2 '), outer pillar (3,3 '), it is characterized in that pillar (3 outside, 3 ') outer surface of end has repaired mouth sleeve pipe (4), at repaired mouth sleeve pipe (4) and steel pipe (1,1 ') between repaired mouth thermal insulation layer (5) is arranged, repaired mouth sleeve pipe (4) and outside Waterproof glue line (6) is arranged in the slit between the pillar (3), topped on outer pillar (3) outer surface with the flexible body layer (7) that Waterproof glue line (6) joins, at the outer surface of elastomer layer (7) and the outer surface of repaired mouth sleeve pipe (4) end fiber cushion (8) is arranged, at fiber cushion (8) outer surface plastic hot shrink sleeve (9) is arranged, there is seal coating (10 its end, 10 '), between repaired mouth sleeve pipe (4) and the outer pillar (3 '), weld by weld seam (11), and seal with coating (12).
2, mending orifice joint is used in a kind of high temperature heat insulation pipe connection as claimed in claim 1, it is characterized in that outer pillar (3,3 '), repaired mouth sleeve pipe (4) are steel material.
3, a kind of high temperature heat insulation pipe connection mending orifice joint as claimed in claim 1 or 2, the length that it is characterized in that steel pipe (1,1 ') is 6～24m, caliber 60～1000mm, thickness 20～the 300mm of thermal insulation layer (2,2 '), the caliber of outer pillar (3,3 ') is 100～1800mm, repaired mouth sleeve pipe (4) internal diameter greater than the external diameter 2～20mm of outer pillar (3,3 '), with the lap length of outer pillar (3,3 ') be 50～200mm, the length of plastic hot shrink sleeve (9) is 50～500mm, thickness 0.5～10mm, and the thickness of fiber cushion (8) is 5～30mm.
4, a kind of high temperature heat insulation pipe as claimed in claim 1 connects uses mending orifice joint, it is characterized in that steel pipe (1,1 ') caliber be 720mm, length 12m, wall thickness 8mm, outer pillar (3,3 ') external diameter is 880mm, wall thickness 6mm, the internal diameter of repaired mouth sleeve pipe (4) is 890mm, wall thickness 6mm, with outer pillar (3,3 ') lap length is 100mm, the thickness of Waterproof glue line (6) is 5mm, the thickness of elastomer layer (7) is 12mm, length is 60mm, the thickness of fiber cushion (8) is 10mm, length is 80mm, and the length of plastic hot shrink sleeve (9) is 200mm, thickness 3mm, internal diameter is 980mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96207329 CN2247270Y (en) | 1996-04-02 | 1996-04-02 | Joint for connection of high-temp. thermal-insulating pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96207329 CN2247270Y (en) | 1996-04-02 | 1996-04-02 | Joint for connection of high-temp. thermal-insulating pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2247270Y true CN2247270Y (en) | 1997-02-12 |
Family
ID=33891641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96207329 Expired - Fee Related CN2247270Y (en) | 1996-04-02 | 1996-04-02 | Joint for connection of high-temp. thermal-insulating pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2247270Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104390103A (en) * | 2014-10-31 | 2015-03-04 | 哈尔滨朗格斯特节能科技有限公司 | Telescopic connector repairing sleeve of prefabricated direct-embedded heat preservation pipeline system and connecting method |
| CN104373772B (en) * | 2014-10-31 | 2016-08-17 | 哈尔滨朗格斯特节能科技有限公司 | Prefabricated direct-buried heat-insulation pipeline hot-melting wire-buried joint coating plate device and manufacturing method |
| CN107763370A (en) * | 2017-10-20 | 2018-03-06 | 北京豪特耐管道设备有限公司 | A kind of outer book jacket end structure of heat preservation pipe prefabricated steel |
| CN119778584A (en) * | 2023-10-08 | 2025-04-08 | 长庆工程设计有限公司 | A tower and pipeline cold preservation device and installation method |
-
1996
- 1996-04-02 CN CN 96207329 patent/CN2247270Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104390103A (en) * | 2014-10-31 | 2015-03-04 | 哈尔滨朗格斯特节能科技有限公司 | Telescopic connector repairing sleeve of prefabricated direct-embedded heat preservation pipeline system and connecting method |
| CN104373772B (en) * | 2014-10-31 | 2016-08-17 | 哈尔滨朗格斯特节能科技有限公司 | Prefabricated direct-buried heat-insulation pipeline hot-melting wire-buried joint coating plate device and manufacturing method |
| CN107763370A (en) * | 2017-10-20 | 2018-03-06 | 北京豪特耐管道设备有限公司 | A kind of outer book jacket end structure of heat preservation pipe prefabricated steel |
| CN119778584A (en) * | 2023-10-08 | 2025-04-08 | 长庆工程设计有限公司 | A tower and pipeline cold preservation device and installation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |