CN2705684Y - Press connection pipe with seal adhesive tape - Google Patents
Press connection pipe with seal adhesive tape Download PDFInfo
- Publication number
- CN2705684Y CN2705684Y CN 200420059627 CN200420059627U CN2705684Y CN 2705684 Y CN2705684 Y CN 2705684Y CN 200420059627 CN200420059627 CN 200420059627 CN 200420059627 U CN200420059627 U CN 200420059627U CN 2705684 Y CN2705684 Y CN 2705684Y
- Authority
- CN
- China
- Prior art keywords
- polyethylene
- thickness
- steel pipe
- sealant tape
- strong acid
- 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 - Lifetime
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- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
Abstract
The utility model relates to a press connection pipe with seal adhesive tape, which can be used for acid gases gathering and conveying pipelines and high sulfur content gathering and conveying pipelines, comprising a steel pipe, a bell mouth, an inserted mouth, a strong acid-resisting and anticorrosive inner coating, a seal adhesive tape, an epoxy primer coating, an adhesive coating and a ribbed polythene outer protective lcoating. The utility model has the characteristics of strong P acid resistance, good corrosion resistance, abrasion resistance and toughness, strong strength of joint and steel pipe, inner coating pipeline without repaired mouth, integral and continuous corrosion-resisting inner coating, etc.
Description
Technical field
The utility model relates to a kind of aluminium hydraulic pressed connecting pipe that sealant tape is arranged, and is used for gas transmission line.
Technical background
Existing acid-soluble oil gas field exploitation adopts the filling corrosion inhibitor, it is interior anticorrosion to carry out pipeline with the aulfide resistant steel method, and its deficiency is to use inconvenience, expense height; Existing pipeline coating technology is not owing to the repaired mouth problem is achieved success, so fail to adopt.With in addition crimping behind the two socket joint pipe ends coating sealer of interference fit, its sealer coating acid resistance is poor, corrosion protection result is bad when adopting pipe crimping method to connect.
The model utility content
The technical problems to be solved in the utility model: avoid above-mentioned deficiency of the prior art and provide a kind of and have that anti-strong acid, corrosion-resistant, wear-resisting, good toughness, joint strength and steel pipe etc. are strong, the undercoating pipeline does not need repaired mouth, the complete continuous aluminium hydraulic pressed connecting pipe that sealant tape is arranged of anticorrosion undercoating.
The technical solution adopted in the utility model: a kind of aluminium hydraulic pressed connecting pipe that sealant tape is arranged of the present utility model, comprise steel pipe 1, bellmouth 2 at an end of steel pipe 1, the socket 3 of the other end, it is characterized in that anticorrosive coat 4 in the anti-strong acid being arranged at steel pipe 1 internal surface, at bellmouth 3 internal surfaces sealant tape 5 is arranged, outer surface at steel pipe 1 has epoxy primer layer 6 in turn, adhesive layer 7 and reinforcement polyethylene external protection coating 8, anticorrosive coat 4 is to be made of epoxy-phenol aldehyde type corrosion-inhibiting coating of anti-strong acid in the anti-strong acid, sealant tape 5 is by polyethylene tail band 9, polyethylene bubble 10, polyethylene bubble 11 and polyethylene are worn 12 and are formed, wherein in polyethylene bubble 10, the A liquid that epoxy resin composition is formed is housed, in polyethylene bubble 11, the B liquid that cashew nut oil modified amine hardener is formed is housed, steel pipe 1 long 12～24m, external diameter of pipe 100～300mm, wall thickness 5～20mm, bellmouth 2 and socket 3 each long 110～310mm, the thickness of anticorrosive coat 4 is 0.2～0.5mm in the anti-strong acid, the thickness of sealant tape 5 is 0.8～2mm, the thickness of epoxy primer layer 6 is 0.05～0.1mm, the thickness of adhesive layer 7 is 0.05～0.1mm, and the thickness of reinforcement polyethylene external protection coating 8 is 2.0～3.0mm.
The more excellent aluminium hydraulic pressed connecting pipe that sealant tape is arranged, it is characterized in that steel pipe 1 long 12m, external diameter of pipe 219mm, wall thickness 10mm, bellmouth 2 and socket 3 each long 230mm, the thickness of anticorrosive coat 4 is 0.3mm in the anti-strong acid, the thickness of sealant tape 5 is 1.2mm, the thickness of epoxy primer layer 6 is 0.06mm, the thickness of adhesive layer 7 is 0.06mm, the thickness of reinforcement polyethylene external protection coating 8 is 2.5mm, in polyethylene bubble 10, the A liquid that epoxy resin composition is formed is housed, in the polyethylene bubble 11 the B liquid that cashew nut oil modified amine hardener is formed is housed, reinforcement polyethylene external protection coating 8 is to constitute by adding the alloy aluminum fiber in the polyethylene.
Of the present utility model have the aluminium hydraulic pressed connecting pipe manufacture process of sealant tape as follows: with the inner and outer surface derusting by sandblasting of steel pipe 1, internal surface at steel pipe 1 sprays anticorrosive coat 4 in the anti-strong acid, outer surface spraying epoxy primer layer 6 at steel pipe 1, push adhesive layer 7 then, outermost surface extruding reinforcement polyethylene external protection coating 8 at steel pipe 1, paste sealant tape 5 at bellmouth 2 internal surfaces at last, make the end of sealant tape 5 concordant with the end of bellmouth 2, when laying the line, the socket 3 of a steel pipe is pressed into the bellmouth 2 of another root steel pipe, form joint, in the crimping process, polyethylene tail band 9, polyethylene bubble 10, polyethylene bubble 11 and polyethylene are worn 12 and are squeezed brokenly, A liquid is mixed with B liquid and be coated on the pipeline joint, the formation sealant layer.
The utility model beneficial effect compared with prior art:
The aluminium hydraulic pressed connecting pipe that 1, sealant tape is arranged, undercoating pipeline do not need repaired mouth, anticorrosion undercoating complete continuously, have good anti-highly acid, corrosion resistance, wear resistance.
2, anticorrosive coat 4 acid resistance excellences in the anti-strong acid can be at 50 ℃ of following anti-15% hydrochloric acid, 15% hydrofluoric acid mixed solution.
3, the A liquid of the epoxy resin composition composition that is equipped with in the polyethylene of sealant tape 5 bubble 10, B liquid with the cashew nut oil modified amine hardener composition that is equipped with in the polyethylene bubble 11, good, the excellent performance of anti-strong acid of the epoxy sealing glue of anti-strong-acid type price performance that obtains after the mixing, anti-15% hydrochloric acid, 15% hydrofluoric acid mixed solution under 50 ℃ can be applicable to sour gas gathering line and high sulfur-bearing gathering line crimping and connect.
4, reinforcement polyethylene external protection coating 8 has good outer barrier propterty, has a cathodic protection effect again.
Description of drawings
Fig. 1 is the longitudinal sectional view that the aluminium hydraulic pressed connecting pipe of sealant tape is arranged of the present utility model.
Fig. 2 is the sectional drawing of sealant tape 5
Among the figure: the 1-steel pipe; The 2-bellmouth; The 3-socket; Anticorrosive coat in the anti-strong acid of 4-; The 5-sealant tape; The 6-epoxy primer layer; The 7-adhesive layer; 8-reinforcement polyethylene external protection coating; 9-polyethylene tail band; 10-polyethylene bubble; 11-polyethylene bubble; The 12-polyethylene is worn.
Embodiment
The aluminium hydraulic pressed connecting pipe that sealant tape is arranged, steel pipe 1 long 12m, external diameter of pipe 219mm, wall thickness 10mm, bellmouth 2 and socket 3 each long 230mm, the thickness of anticorrosive coat 4 is 0.3mm in the anti-strong acid, the thickness of sealant tape 5 is 1.2mm, the thickness of epoxy primer layer 6 is 0.06mm, and the thickness of adhesive layer 7 is 0.06mm, and the thickness of reinforcement polyethylene external protection coating 8 is 2.5mm.Sealant tape 5 is worn 12 by polyethylene tail band 9, polyethylene bubble 10, polyethylene bubble 11 and polyethylene and is formed, wherein in polyethylene bubble 10, the A liquid that epoxy resin composition is formed is housed, in polyethylene bubble 11, the B liquid that cashew nut oil modified amine hardener is formed is housed.Reinforcement polyethylene external protection coating 9 is by adding the alloy aluminum fiber is coated on adhesive layer 8 through extrusion modling outside in the polyethylene.Test result shows, the sealing layer that is formed by sealant tape 5 is at 50 ℃ of mixed solutions of anti-15% hydrochloric acid, 15% hydrofluoric acid down.
Claims (2)
1, a kind of aluminium hydraulic pressed connecting pipe that sealant tape is arranged, comprise steel pipe (1), bellmouth (2) at an end of steel pipe (1), the socket of the other end (3), it is characterized in that anticorrosive coat in the anti-strong acid (4) being arranged at steel pipe (1) internal surface, at bellmouth (3) internal surface sealant tape (5) is arranged, outer surface at steel pipe (1) has epoxy primer layer (6) in turn, adhesive layer (7) and reinforcement polyethylene external protection coating (8), anticorrosive coat (4) is to be made of epoxy-phenol aldehyde type corrosion-inhibiting coating of anti-strong acid in the anti-strong acid, sealant tape (5) is by polyethylene tail band (9), polyethylene bubble (10), polyethylene bubble (11) and polyethylene are worn (12) and are formed, the A liquid that epoxy resin composition is formed wherein is housed in polyethylene bubble (10), the B liquid that cashew nut oil modified amine hardener is formed is housed in polyethylene bubble (11), above-mentioned A liquid is 1 weight portion, B liquid is 0.2～0.4 weight portion, long 12～the 24m of steel pipe (1), external diameter of pipe 100～300mm, wall thickness 5～20mm, each long 110～310mm of bellmouth (2) and socket (3), the thickness of anticorrosive coat (4) is 0.2～0.5mm in the anti-strong acid, the thickness of sealant tape (5) is 0.8～2mm, the thickness of epoxy primer layer (6) is 0.05～0.1mm, the thickness of adhesive layer (7) is 0.05～0.1mm, and the thickness of reinforcement polyethylene external protection coating (8) is 2.0～3.0mm.
2, the aluminium hydraulic pressed connecting pipe that sealant tape is arranged according to claim 1, it is characterized in that the long 12m of steel pipe (1), external diameter of pipe 219mm, wall thickness 10mm, bellmouth (2) and each long 230mm of socket (3), the thickness of anticorrosive coat (4) is 0.3mm in the anti-strong acid, the thickness of sealant tape (5) is 1.2mm, the thickness of epoxy primer layer (6) is 0.06mm, the thickness of adhesive layer (7) is 0.06mm, the thickness of reinforcement polyethylene external protection coating (8) is 2.5mm, the thickness of polyethylene bubble (10) and polyethylene bubble (11) is 2.0mm, and reinforcement polyethylene external protection coating (8) is to constitute by adding the alloy aluminum fiber in the polyethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420059627 CN2705684Y (en) | 2004-05-21 | 2004-05-21 | Press connection pipe with seal adhesive tape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420059627 CN2705684Y (en) | 2004-05-21 | 2004-05-21 | Press connection pipe with seal adhesive tape |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2705684Y true CN2705684Y (en) | 2005-06-22 |
Family
ID=34851888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420059627 Expired - Lifetime CN2705684Y (en) | 2004-05-21 | 2004-05-21 | Press connection pipe with seal adhesive tape |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2705684Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103574191A (en) * | 2012-07-18 | 2014-02-12 | 台湾优派普环保科技有限公司 | Combined pipe connector |
| CN108458170A (en) * | 2018-05-15 | 2018-08-28 | 马鞍山纽盟知识产权管理服务有限公司 | A kind of industry special anti-corrosion liquid-transport pipe-line |
-
2004
- 2004-05-21 CN CN 200420059627 patent/CN2705684Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103574191A (en) * | 2012-07-18 | 2014-02-12 | 台湾优派普环保科技有限公司 | Combined pipe connector |
| CN108458170A (en) * | 2018-05-15 | 2018-08-28 | 马鞍山纽盟知识产权管理服务有限公司 | A kind of industry special anti-corrosion liquid-transport pipe-line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140521 Granted publication date: 20050622 |