CN202182272U - Polyfluortetraethylene cathode protection insulating tube joint - Google Patents
Polyfluortetraethylene cathode protection insulating tube joint Download PDFInfo
- Publication number
- CN202182272U CN202182272U CN2011202393223U CN201120239322U CN202182272U CN 202182272 U CN202182272 U CN 202182272U CN 2011202393223 U CN2011202393223 U CN 2011202393223U CN 201120239322 U CN201120239322 U CN 201120239322U CN 202182272 U CN202182272 U CN 202182272U
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- CN
- China
- Prior art keywords
- pipeline
- teflon
- voussoir
- pipe
- tube joint
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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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- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
Abstract
The utility model relates to a polyfluortetraethylene cathode protection insulating tube joint which is arranged between a first pipeline and a second pipeline, wherein a butt joint part between the first pipeline and the second pipeline is provided with a butt joint flat gasket; the joint comprises a first annular wedge and a second annular wedge which are respectively arranged on the first pipeline and the second pipeline, both the first annular wedge and the second annular wedge are parallel and level with pipe orifices, the butt joint flat gasket and the pipe orifices between the first pipeline and the second pipeline are respectively lined with polyfluortetraethylene, and a periphery of the first annular wedge and the second annular wedge is provided with a sleeve. By adopting the polyfluortetraethylene gasket, the polyfluortetraethylene cathode protection insulating tube joint of the utility model may be insulated thoroughly, and has the advantages of good insulating property, long service life, buried installation, high rigidity, large sustained bending moment, high breakdown voltage which can reach 2 KV, excellent aging resistant performance, excellent strong acid resistant performance, excellent strong alkali resistant performance, and excellent self lubricating performance; the joint also has an anti-drag performance, and a wear resistant performance; and when a fluid flows through the pipeline, the joint can still maintain a stable insulating property.
Description
Technical field
The utility model relates to the insulating corrosion pipe joint of oil field, chemical industry, uses in the environment that is adapted at insulating.
Background technique
At present, the pipeline of general oil field, chemical industry in use can't insulate, and is most on-insulated behind hydrostatic test for the pipe-line wrapping joint, only done and could insulate at certain hour water.
Summary of the invention
The purpose of the utility model is to overcome the deficiency that above-mentioned known technology exists, thereby a kind of teflon cathodic protection insulation tube joint is provided, and when having fluid to pass through pipeline, also still has stable insulating properties.The technological scheme of the utility model is: a kind of teflon cathodic protection insulation tube joint; This joint is arranged between first pipeline and second pipeline; The joint of described first pipeline and second pipeline is equipped with the butt joint flat gasket; It is characterized in that: this joint comprises the first annular voussoir and the second annular voussoir that is separately positioned on first pipeline and second pipeline; The described first annular voussoir and the second annular voussoir all with mouth of pipe flush, be lined with teflon respectively on the mouth of pipe between the described butt joint flat gasket and first pipeline and second pipeline, be provided with a sleeve pipe in the periphery of the described first annular voussoir and the second annular voussoir.
Described first voussoir with dock between the flat gasket and second voussoir all is lined with teflon with docking between the flat gasket.
The cross section of said sleeve pipe is the n type, and is isolated through the first ring pad and first flat gasket between the said sleeve pipe and first voussoir, isolated through the second ring pad between the described sleeve pipe and first pipeline.
Described first voussoir and second voussoir are welded on respectively on first pipeline and second pipeline, and described Socket welding is connected on described first pipeline.
Be lined with teflon in described first pipeline and/or second pipeline, this teflon extends to mouth of pipe place.
On described first pipeline and second pipeline, also be provided with anode block, this anode block is formed by the zinc-magnesium material.
Described first voussoir, second voussoir and sleeve pipe are the metal steel pipe.
Described butt joint flat gasket, the first ring pad, first flat gasket and the second ring pad are made by polytetrafluoroethylplastic plastic.
The inside of said first pipeline and second pipeline is equipped with internal lining pipe, and this internal lining pipe extends to outside the mouth of pipe, and is lined with teflon.
The outer end of said first pipeline and second pipeline is respectively equipped with flange or welded tube.
The utility model compared with prior art has following advantage:
Owing to adopt teflon gasket, make its thorough insulation, good insulating, life-span are long; Can install with burying, rigidity is high, it is big to bear moment of flexure, breakdown voltage can reach 2KV; Ageing-resistant performance and anti-strong acid, highly basic, self-lubricating property are good; And drag reduction, wear resistance are arranged, when having fluid to pass through pipeline, also still have stable insulating properties.
Description of drawings
Fig. 1 is the agent structure schematic representation of the utility model.
Embodiment
Referring to Fig. 1; The utility model relates to a kind of teflon cathodic protection insulation tube joint; This joint is arranged between first pipeline 1 and second pipeline 2; The joint of described first pipeline 1 and second pipeline 2 be equipped with the butt joint flat gasket 9, this joint comprises the first annular voussoir 3 and the second annular voussoir 4 that is separately positioned on first pipeline 1 and second pipeline 2, the described first annular voussoir 3 and the second annular voussoir 4 all with mouth of pipe flush; Be lined with teflon 11 respectively on the mouth of pipe between the described butt joint flat gasket 9 and first pipeline 1 and second pipeline 2, be provided with a sleeve pipe in the periphery of the described first annular voussoir 3 and the second annular voussoir 5.
Described first voussoir 3 with dock between the flat gasket 9 and second voussoir 4 all is lined with teflon 11 with docking between the flat gasket 9.
The cross section of said sleeve pipe 5 is the n type, and is isolated through the first ring pad 8 and first flat gasket 7 between the said sleeve pipe 5 and first voussoir 3, isolated through the second ring pad 6 between the described sleeve pipe 5 and first pipeline 1.
Described first voussoir 3 and second voussoir 4 are welded on respectively on first pipeline 1 and second pipeline 2, and described sleeve pipe 5 is welded on described first pipeline 1.
Be lined with teflon in described first pipeline and/or second pipeline, this teflon extends to mouth of pipe place.
On described first pipeline 1 and second pipeline 2, also be provided with anode block 12, this anode block 12 is formed by the zinc-magnesium material.
Described first voussoir 3, second voussoir 4 and sleeve pipe 5 are the metal steel pipe.
Described butt joint flat gasket 9, the first ring pad 8, first flat gasket 7 and the second ring pad 6 are made by polytetrafluoroethylplastic plastic.
The inside of said first pipeline 1 and second pipeline 2 is equipped with internal lining pipe, and this internal lining pipe extends to outside the mouth of pipe, and is lined with teflon.
The outer end of said first pipeline 1 and second pipeline 2 is respectively equipped with flange or welded tube 13, selects as required, and this uses novel breakdown voltage greater than 2KV, and Applicable temperature-100--250 degree adapts to pressure 1.6-32MPA.
Claims (10)
1. teflon cathodic protection insulation tube joint; This joint is arranged between first pipeline and second pipeline; The joint of described first pipeline and second pipeline is equipped with the butt joint flat gasket; It is characterized in that: this joint comprises the first annular voussoir and the second annular voussoir that is separately positioned on first pipeline and second pipeline; The described first annular voussoir and the second annular voussoir all with mouth of pipe flush, be lined with teflon respectively on the mouth of pipe between the described butt joint flat gasket and first pipeline and second pipeline, be provided with a sleeve pipe in the periphery of the described first annular voussoir and the second annular voussoir.
2. teflon cathodic protection insulation tube joint according to claim 1 is characterized in that: described first voussoir with dock between the flat gasket and second voussoir all is lined with teflon with docking between the flat gasket.
3. teflon cathodic protection insulation tube joint according to claim 1 and 2; It is characterized in that: the cross section of said sleeve pipe is the n type; Isolated between the said sleeve pipe and first voussoir through the first ring pad and first flat gasket, isolated between the described sleeve pipe and first pipeline through the second ring pad.
4. teflon cathodic protection insulation tube joint according to claim 3 is characterized in that: described first voussoir and second voussoir are welded on respectively on first pipeline and second pipeline, and described Socket welding is connected on described first pipeline.
5. teflon cathodic protection insulation tube joint according to claim 4, it is characterized in that: be lined with teflon in described first pipeline and/or second pipeline, this teflon extends to mouth of pipe place.
6. teflon cathodic protection insulation tube joint according to claim 1, it is characterized in that: on described first pipeline and second pipeline, also be provided with anode block, this anode block is formed by the zinc-magnesium material.
7. teflon cathodic protection insulation tube joint according to claim 1, it is characterized in that: described first voussoir, second voussoir and sleeve pipe are the metal steel pipe.
8. teflon cathodic protection insulation tube joint according to claim 3 is characterized in that: described butt joint flat gasket, the first ring pad, first flat gasket and the second ring pad are made by polytetrafluoroethylplastic plastic.
9. teflon cathodic protection insulation tube joint according to claim 1, it is characterized in that: the inside of said first pipeline and second pipeline is equipped with internal lining pipe, and this internal lining pipe extends to outside the mouth of pipe, and is lined with teflon.
10. teflon cathodic protection insulation tube joint according to claim 1, it is characterized in that: the outer end of said first pipeline and second pipeline is respectively equipped with flange or welded tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202393223U CN202182272U (en) | 2011-07-08 | 2011-07-08 | Polyfluortetraethylene cathode protection insulating tube joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202393223U CN202182272U (en) | 2011-07-08 | 2011-07-08 | Polyfluortetraethylene cathode protection insulating tube joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202182272U true CN202182272U (en) | 2012-04-04 |
Family
ID=46175309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202393223U Expired - Lifetime CN202182272U (en) | 2011-07-08 | 2011-07-08 | Polyfluortetraethylene cathode protection insulating tube joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202182272U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103266368A (en) * | 2013-05-09 | 2013-08-28 | 经纬纺织机械股份有限公司 | No-clearance connection device for collective doffing transmission pipes of spinning machine |
| CN111750198A (en) * | 2020-07-06 | 2020-10-09 | 上海朋环测控技术股份有限公司 | Analysis sample transmission pipeline structure with heating function |
-
2011
- 2011-07-08 CN CN2011202393223U patent/CN202182272U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103266368A (en) * | 2013-05-09 | 2013-08-28 | 经纬纺织机械股份有限公司 | No-clearance connection device for collective doffing transmission pipes of spinning machine |
| CN103266368B (en) * | 2013-05-09 | 2015-07-22 | 经纬纺织机械股份有限公司 | No-clearance connection device for collective doffing transmission pipes of spinning machine |
| CN111750198A (en) * | 2020-07-06 | 2020-10-09 | 上海朋环测控技术股份有限公司 | Analysis sample transmission pipeline structure with heating function |
| CN111750198B (en) * | 2020-07-06 | 2022-05-06 | 上海朋环测控技术股份有限公司 | Analysis sample transmission pipeline structure with heating function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190717 Address after: Heilongjiang province Daqing City Honggang District 163000 Qing Nan Industrial Park Patentee after: Daqing Kangsheng Petroleum Energy-saving Technology Development Co., Ltd. Address before: 163355 Five-Star Village Kangda Company, Honggang District, Daqing City, Heilongjiang Province Patentee before: Kang Qinggang |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120404 |
|
| CX01 | Expiry of patent term |