CN202252630U - Heat insulating pipe for conveying hot fluid - Google Patents
Heat insulating pipe for conveying hot fluid Download PDFInfo
- Publication number
- CN202252630U CN202252630U CN2011203880170U CN201120388017U CN202252630U CN 202252630 U CN202252630 U CN 202252630U CN 2011203880170 U CN2011203880170 U CN 2011203880170U CN 201120388017 U CN201120388017 U CN 201120388017U CN 202252630 U CN202252630 U CN 202252630U
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- CN
- China
- Prior art keywords
- pipe
- heat insulating
- glass fibre
- fibre reinforced
- reinforced plastics
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- 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 - Lifetime
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Abstract
The utility model discloses a heat insulating pipe for conveying hot fluit, which mainly solves the problems of poor corrosion resistance and poor heat insulating performance of the existing heat insulating pipe commonly used for geothermal hot spring water. The pipe comprises a glass reinforced plastic base pipe, a polyurethane heat insulating layer and a glass reinforced plastic or high-density polyvinyl chloride outer protection pipe layer, wherein the polyurethane heat insulating layer is arranged between the reinforced plastic base pipe and the glass reinforced plastic or high-density polyvinyl chloride outer protection pipe layer. By using a glass reinforced plastic pipe as the base pipe, the heat insulating pipe has the characteristics of high corrosion resistance and good heat insulating performance. Moreover, the heat insulating pipe provided by the utility model can be manufactured and installed in a split way and the construction and the maintenance are facilitated.
Description
Technical field
The utility model relates to insulation pipe, specifically, is a kind of insulation pipe that is used to carry geothermal fluid.
Background technique
In underground heat (hot spring) utilization system, often need be incubated conveying at a distance to geothermal fluid with high temperature, highly corrosive.Existing conveyance conduit all is to adopt with common steel pipe as parent tube usually, twines thermal insulating material layer by layer at outer wall of steel pipe, and then on thermal insulating material, covers with things such as glass fibre reinforced plastics.
There is following defective in insulation pipe under this technology: at first anti-corrosion capacity is poor.Steel pipe as parent tube leaks because be corroded through regular meeting, causes the whole piece pipeline because of looking for Lou maintenance out of service thus, has had a strong impact on the security of operation of system; Secondly, poor insulation property.Under the situation of outdoor low temperature, be difficult to accomplish to control scattering and disappearing of heat because cover the thermal insulating material of parent tube outer wall.
Summary of the invention
The utility model technical problem to be solved is that the insulation pipe that a kind of corrosion resistance is high, geothermal fluid is carried in good being used to of heat-insulating property is provided.
In order to solve the problems of the technologies described above; The technological scheme that the utility model adopts is: a kind of insulation pipe that is used to carry geothermal fluid; Comprise a glass fibre reinforced plastics parent tube, a polyurethane insulation coating and an outer protective tube layer, polyurethane insulation coating the glass fibre reinforced plastics parent tube and outside between the protective tube layer.
The outer tube wall rough surface of said glass fibre reinforced plastics parent tube, and outside glass fibre reinforced plastics parent tube tube wall, be provided with support, outer protective tube layer is enclosed within the outside of glass fibre reinforced plastics parent tube, supports and fixes by support.
Shutoff is carried out with jig in cavity two ends between said glass fibre reinforced plastics parent tube and the outer protective tube layer, and a material hole that injects polyurethane is bored in the intermediate portion of said outer protective tube layer.
Also be provided with lid on the said material hole.
Said polyurethane heat-insulation layer thickness is even, combines closely with the outer wall of glass fibre reinforced plastics parent tube and the inwall of outer protective tube layer.
Said outer protective tube layer is glass fibre reinforced plastics or high density pvc material.
The beneficial effect of the utility model is: with the parent tube of anticorrosive resistant to elevated temperatures GRP pipe as insulation pipe; With the stable polyurethane of thermal insulation property as thermal insulation layer, attach glass fibre reinforced plastics or high density PVC as outer protective tube layer outward; Make that insulation pipe corrosion resistance, the adiabaticity described in the utility model all strengthened widely; Performance is also more reliable and more stable, and Economy also more has superiority, and cost performance is splendid.
Description of drawings
Fig. 1 is the structural representation that the utility model is used to carry the insulation pipe embodiment 1 of geothermal fluid.
Fig. 2 is the structural representation that the utility model is used to carry the insulation pipe embodiment 2 of geothermal fluid.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is done further explain:
In order to solve the problem that the pipeline corrosion resistance is poor, thermal insulation property is low commonly used in existing underground heat (hot spring) utilization system; The utility model provides a kind of insulation pipe that is used to carry geothermal fluid; This kind insulation pipe is parent tube with the GRP pipe, and corrosion resistance is high, heat-insulating property is good.
The technological scheme of the utility model is: this kind glass fibre reinforced plastics polyurethane heat-insulation pipeline; With the GRP pipe is parent tube; Increase a polyurethane insulation coating and (glass fibre reinforced plastics or high density PVC) outer protective tube layer then on this basis, polyurethane insulation coating is positioned between glass fibre reinforced plastics parent tube and (glass fibre reinforced plastics or high density PVC) outer protective tube layer.
When considering that the glass fibre reinforced plastics parent tube places outside (glass fibre reinforced plastics or high density PVC) in the protective tube layer; Utilize support to support and fix; Polyurethane insulation coating is filled wherein; And utilize viscosity of self and parent tube outer wall to reach the coarse of outer protective tube layer inwall, firm is bonded together with the two, constitutes a tight integral body.
Below in conjunction with accompanying drawing the utility model is described further:
Shown in Fig. 1 the embodiment 1 that the utility model is used to carry the insulation pipe of geothermal fluid; Its basic structure is for being parent tube 3 with the GRP pipe; Increase the outer protective tube layer 1 of a polyurethane insulation coating 2 and glass fibre reinforced plastics or high density PVC in addition, polyurethane insulation coating 2 glass fibre reinforced plastics parent tube 3 and outside between the protective tube layer 1.Adopt this structural reason to be: described GRP pipe has extremely strong corrosion resistance and heat-resisting quantity, and also has heat-insulating property preferably, therefore adopts it to make parent tube, can overcome the shortcoming of existing insulation pipe Corrosion Protection difference.Protective tube layer outside polyurethane insulation coating and glass fibre reinforced plastics or the high density PVC is installed outside parent tube successively, and its purpose is to improve thermal insulation property and increases whole insulation pipe outer force bearing strength.
Shown in Figure 2 is the embodiment 2 that the utility model is used to carry the insulation pipe of geothermal fluid; Its elementary process is that the tube wall of said glass fibre reinforced plastics parent tube 3 is very coarse outward; And outside tube wall, be provided with support 9, and the size of support 9 is decided by the inwall size of outer protective tube layer, and the outer protective tube layer 1 of said glass fibre reinforced plastics or high density PVC is enclosed within the outside of glass fibre reinforced plastics parent tube 3; Lean on support 9 to support and fix; Shutoff is carried out with jig 10 in cavity two ends between glass fibre reinforced plastics parent tube 3 and the outer protective tube layer 1, and a material hole is bored in the intermediate portion of outer protective tube layer 1, and the cavity between glass fibre reinforced plastics parent tube 3 and the outer protective tube layer 1 injects pre-configured polyurethane material from material hole 8; Treat that its foaming back is with covering 11 sealing material holes 8; Make polyurethane foam be full of cavity densely, and utilize the viscosity of self and firm the combining of roughened surface of glass fibre reinforced plastics parent tube 3 outer walls and outer protective tube layer 1 inwall, form polyurethane insulation coating 2.
Above-described embodiment only is used to explain the technological thought and the characteristics of the utility model; Its purpose is the content that makes those skilled in the art can understand the utility model and implements according to this; Can not only limit the claim of the utility model with present embodiment; Be equal variation or the modification that spirit that all the utility model disclose is done, still drop in the claim of the utility model.
Claims (6)
1. insulation pipe that is used to carry geothermal fluid; It is characterized in that; Comprise a glass fibre reinforced plastics parent tube (3), a polyurethane insulation coating (2) and an outer protective tube layer (1), polyurethane insulation coating (2) is positioned between glass fibre reinforced plastics parent tube (3) and the outer protective tube layer (1).
2. the insulation pipe that is used to carry geothermal fluid according to claim 1; It is characterized in that; The outer tube wall rough surface of said glass fibre reinforced plastics parent tube (3); And outside glass fibre reinforced plastics parent tube tube wall, being provided with support (9), outer protective tube layer (1) is enclosed within the outside of glass fibre reinforced plastics parent tube (3), leans on support (9) to support and fixes.
3. the insulation pipe that is used to carry geothermal fluid according to claim 1 and 2; It is characterized in that; Shutoff is carried out with jig (10) in cavity two ends between said glass fibre reinforced plastics parent tube (3) and the outer protective tube layer (1), and a material hole (8) that injects polyurethane is bored in the intermediate portion of said outer protective tube layer (1).
4. the insulation pipe that is used to carry geothermal fluid according to claim 3 is characterized in that, also is provided with lid (11) on the said material hole (8).
5. the insulation pipe that is used to carry geothermal fluid according to claim 1 is characterized in that: said polyurethane insulation coating (2) thickness is even, combines closely with the outer wall of glass fibre reinforced plastics parent tube (3) and the inwall of outer protective tube layer (1).
6. the insulation pipe that is used to carry geothermal fluid according to claim 1 is characterized in that, said outer protective tube layer (1) is glass fibre reinforced plastics or high density pvc material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203880170U CN202252630U (en) | 2011-10-13 | 2011-10-13 | Heat insulating pipe for conveying hot fluid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203880170U CN202252630U (en) | 2011-10-13 | 2011-10-13 | Heat insulating pipe for conveying hot fluid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202252630U true CN202252630U (en) | 2012-05-30 |
Family
ID=46113872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203880170U Expired - Lifetime CN202252630U (en) | 2011-10-13 | 2011-10-13 | Heat insulating pipe for conveying hot fluid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202252630U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103287011A (en) * | 2013-05-28 | 2013-09-11 | 滁州晨润工贸有限公司 | Inner surface coating of transferring equipment of hot melting flow agent and preparation method thereof |
| CN104373743A (en) * | 2014-10-31 | 2015-02-25 | 哈尔滨朗格斯特节能科技有限公司 | Plate type hot melting welding coated joint plug for prefabricated directly-buried insulating pipeline system and plugging method |
| CN105298867A (en) * | 2014-06-23 | 2016-02-03 | 韩国土水股份有限公司 | Capsule type submersible pump and structure thereof |
| CN105351685A (en) * | 2015-12-08 | 2016-02-24 | 朗格斯特哈尔滨环保节能产品制造有限公司 | Prefabricated directly-buried thermal insulation pipe rigid polyurethane concentric device and manufacturing method |
| CN105986619A (en) * | 2015-01-27 | 2016-10-05 | 赛莱默(中国)有限公司 | Integral rainwater/waste water lifting pump station antifreeze device |
| CN110774631A (en) * | 2019-11-11 | 2020-02-11 | 王瑞琪 | Production process of galvanized steel sheet outer protection polyurethane prefabricated heat preservation pipe |
-
2011
- 2011-10-13 CN CN2011203880170U patent/CN202252630U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103287011A (en) * | 2013-05-28 | 2013-09-11 | 滁州晨润工贸有限公司 | Inner surface coating of transferring equipment of hot melting flow agent and preparation method thereof |
| CN105298867A (en) * | 2014-06-23 | 2016-02-03 | 韩国土水股份有限公司 | Capsule type submersible pump and structure thereof |
| CN104373743A (en) * | 2014-10-31 | 2015-02-25 | 哈尔滨朗格斯特节能科技有限公司 | Plate type hot melting welding coated joint plug for prefabricated directly-buried insulating pipeline system and plugging method |
| CN105986619A (en) * | 2015-01-27 | 2016-10-05 | 赛莱默(中国)有限公司 | Integral rainwater/waste water lifting pump station antifreeze device |
| CN105986619B (en) * | 2015-01-27 | 2018-06-05 | 赛莱默水处理系统（沈阳）有限公司 | Integral rain/sewage lifting pump station defroster |
| CN105351685A (en) * | 2015-12-08 | 2016-02-24 | 朗格斯特哈尔滨环保节能产品制造有限公司 | Prefabricated directly-buried thermal insulation pipe rigid polyurethane concentric device and manufacturing method |
| CN110774631A (en) * | 2019-11-11 | 2020-02-11 | 王瑞琪 | Production process of galvanized steel sheet outer protection polyurethane prefabricated heat preservation pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: TIANJIN SHIJI TIANYUAN GROUP CO., LTD. Free format text: FORMER NAME: TIANJIN SHIJI TIANYUAN GEOTHERM ENVIRONMENTAL PROTECTION ENGINEERING CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 300301 Tianjin Dongli District Dongli Lake Wanke city education complex science and technology building 202-1 rooms Patentee after: TIANJIN SHIJITIANYUAN GROUP CO., LTD. Address before: 300191 Tianjin Dongli District Dongli Lake Wanke city education complex science and technology building 202-1 rooms Patentee before: Tianjin Century Tianyuan Geothermal Environmental Protection Engineering Co.,Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 300301 Tianjin Dongli District Dongli Lake Wanke city education complex science and technology building 202-1 rooms Patentee after: Tianjin Shiji Tianyuan Group Co., Ltd. Address before: 300301 Tianjin Dongli District Dongli Lake Wanke city education complex science and technology building 202-1 rooms Patentee before: TIANJIN SHIJITIANYUAN GROUP CO., LTD. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20120530 |
|
| CX01 | Expiry of patent term |