CN202660087U - Steel lining polyether-ether-ketone pipe - Google Patents
Steel lining polyether-ether-ketone pipe Download PDFInfo
- Publication number
- CN202660087U CN202660087U CN 201220159193 CN201220159193U CN202660087U CN 202660087 U CN202660087 U CN 202660087U CN 201220159193 CN201220159193 CN 201220159193 CN 201220159193 U CN201220159193 U CN 201220159193U CN 202660087 U CN202660087 U CN 202660087U
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- Prior art keywords
- ether
- polyether
- ketone
- pipe
- steel
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- Expired - Lifetime
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Abstract
The utility model discloses a steel lining polyether-ether-ketone pipe. The steel lining polyether-ether-ketone pipe comprises a steel pipe, a polyether-ether-ketone pipe, flanges and polyether-ether-ketone flange sheets, wherein the flanges are fixed at the two ends of the steel pipe, the polyether-ether-ketone pipe is bonded to the internal wall of the steel pipe, and the polyether-ether-ketone flange sheets are bonded to the outer edges of the end faces of the flanges. According to the steel lining polyether-ether-ketone pipe, the polyether-ether-ketone pipe and the steel pipe are combined, so that a strong-corrosion-resisting role is realized; and particularly, the steel lining polyether-ether-ketone pipe has an excellent corrosion resisting effect on various salts, acids and alkalis in petroleum crude materials.
Description
Technical field
The utility model relates to a kind of steel lining pipe fitting and preparation method thereof, and being specially a kind of liner is pipe fitting of polyether-ether-ketone pipe and preparation method thereof.
Background technique
The steel liner tube is as matrix with steel pipe, the thermosetting property that the liner chemical stability is good, thermoplastic, through cold drawing molding or extrusion moulding, the mechanical property of its existing steel pipe, the corrosion-resistant of plastic tube arranged again, slow fouling, the characteristics of difficult growth microorganism, be the ideal conduit of transport acid, alkali, salt, the media such as gas that are corrosive, can be used for the industries such as food, medicine and drinking-water.But when being applied to oil transportation, because oil complicated component, contain multiple corrosion-prone composition, hydrogen sulfide particularly, general the steel liner tube can't satisfy its long-acting corrosion resistant requirement, needs often to change, but because petroleum pipeline laying project amount is large, change inconvenience, and the phenomenon of waste when changing, occurs easily; And as can not in time changing the situation that leakage can occur, cause serious economic loss.
The model utility content
Model utility purpose: the problem that prior art PetroChina Company Limited. pipeline is perishable in order to solve, working life is short, the utility model provides a kind of corrosion resistance strong, long service life, need not the often steel lining polyether-ether-ketone pipe of replacing, the making method of this steel lining polyether-ether-ketone pipe also is provided simultaneously.
Technological scheme: to achieve these goals, a kind of steel lining polyether-ether-ketone pipe described in the utility model comprises: steel pipe, polyether-ether-ketone pipe, flange and polyether-ether-ketone flange plate; Described flange is fixed in the two ends of steel pipe; Described polyether-ether-ketone pipe is bonded in the inwall of steel pipe, and the polyether-ether-ketone flange plate is bonded on the end face outer rim of flange.The polyether-ether-ketone pipe that uses in the utility model can the multiple corrosion of long-acting antagonism, and is special in various acid, alkali, salt in the petroleum pipeline, long service life.
Steel pipe is selected carbon steel pipes described in the utility model.
Also disclose the making method of steel lining polyether-ether-ketone pipe in the utility model, the concrete steps of the method are as follows:
(A) flange is installed in the two ends of steel pipe;
(B) inwall of steel pipe and the end face outer rim of flange are carried out purified treatment;
(C) the polyether-ether-ketone pipe is inserted in the inwall of steel pipe, the outer diameter of described polyether-ether-ketone pipe is less than the inner diameter 0.3mm～0.5mm of steel pipe; The polyether-ether-ketone flange plate is installed on polyether-ether-ketone pipe two ends, and the polyether-ether-ketone flange plate is close on the end face outer rim of flange, the outer diameter of described polyether-ether-ketone flange plate is consistent with the outer diameter of flange;
(D) from flange that steel pipe is sealed at both ends with gland;
(E) adopt heater to the outer wall heating of steel pipe and flange, when temperature rises to 390 ℃～400 ℃, steel duct is pressurizeed pressure 0.2M pa～0.3Mpa, 3 minutes～4 minutes dwell time; Polyether-ether-ketone pipe and polyether-ether-ketone flange plate are heated behind the pressurized, the polyether-ether-ketone pipe firmly is adsorbed in the inwall of steel pipe, and the polyether-ether-ketone flange plate firmly is adsorbed on the end face outer rim of flange, simultaneously owing to be heated, polyether-ether-ketone pipe and polyether-ether-ketone flange plate are in aggregates in the joint fusion, are to be tightly connected;
(F) close heater, open gland when naturally cooling to 100 ℃; Finish the making of steel lining polyether-ether-ketone pipe.
Owing to polyether-ether-ketone metal had good adhesion in the utility model, be heated and the situation of pressurized under, the polyether-ether-ketone pipe firmly sticks on the inwall of steel pipe, be linked to be an integral body with steel pipe, not only make the steel lining polyether-ether-ketone pipe working strength of formation stronger, simultaneously also make steel lining polyether-ether-ketone pipe have the effect of strong corrosion resistant, long service life can apply in the conveying of oil.
Purified treatment is for carrying out the sandblast oil removal treatment in the step described in the utility model (B).
The utility model is by utilizing polyether-ether-ketone in the good characteristic of metal cohesiveencess, only need to finish by the step of heating and pressurization the bonding of polyether-ether-ketone pipe and steel pipe, finish the making of steel lining polyether-ether-ketone pipe, making method is simple, need not to use big machinery, be easy to production operation, cost of production is low, it is few to produce waste material in the production, more environmental protection and energy saving.
Beneficial effect: the utility model compared with prior art has following advantage:
(1) in the steel lining polyether-ether-ketone pipe described in the utility model, with polyether-ether-ketone pipe and combination, realizes the effect of anti-powerful corrosion, particularly to various salt, acid, bases in the petroleum, had good anti-corrosion effects.
(2) making method of steel lining polyether-ether-ketone pipe described in the utility model has utilized polyether-ether-ketone that metal is had the characteristics of good adhesion, and only the method by the heating pressurization makes the polyether-ether-ketone pipe firmly stick on the inwall formation steel lining polyether-ether-ketone pipe of steel pipe; Have simultaneously the effect of strong corrosion resistant, making method is simple, need not to use big machinery, is easy to production operation, and cost of production is low, and it is few to produce waste material in the production, more environmental protection and energy saving.
Description of drawings
Fig. 1 is the sectional view of steel lining polyether-ether-ketone pipe described in the utility model.
Embodiment
Below in conjunction with specific embodiment, further illustrate the utility model, should understand these embodiments only is used for explanation the utility model and is not used in restriction scope of the present utility model, after having read the utility model, those skilled in the art all fall within the application's claims to the modification of the various equivalent form of values of the present utility model and limit.
Embodiment
A kind of steel lining polyether-ether-ketone pipe as shown in Figure 1 comprises: steel pipe 1, polyether-ether-ketone pipe 2, flange 3 and polyether-ether-ketone flange plate 4; Described flange 3 is two, distributes to be threaded connection the two ends of being fixed in steel pipe 1; Described polyether-ether-ketone pipe 2 is bonded in the inwall of steel pipe 1, and polyether-ether-ketone flange plate 4 is bonded on the end face outer rim of flange 3; Described polyether-ether-ketone pipe 2 links together in polyether-ether-ketone flange plate 4.
The concrete steps of the making method of above-mentioned steel lining polyether-ether-ketone pipe are as follows:
(A) flange 3 is installed in the two ends of steel pipe 1; The joint is for being tightly connected;
(B) inwall of steel pipe 1 and the end face outer rim of flange 3 are carried out purified treatment: the sandblast oil removing;
(C) polyether-ether-ketone pipe 2 is inserted in the inwall of steel pipe 1, the outer diameter of described polyether-ether-ketone pipe 2 is less than the inner diameter 0.3mm～0.5mm of steel pipe 1; Polyether-ether-ketone flange plate 4 is installed on polyether-ether-ketone pipe 2 two ends, and polyether-ether-ketone flange plate 4 is close on the end face outer rim of flange 3, the outer diameter of described polyether-ether-ketone flange plate 4 is consistent with the outer diameter of flange 3;
(D) from flange 3 that steel pipe 1 is sealed at both ends with gland;
(E) adopt heater to the outer wall heating of steel pipe 1 and flange 3, when temperature rises to 390 ℃～400 ℃, pressurizeed in steel pipe 2 inside pressure 0.2M pa～0.3Mpa, 3 minutes～4 minutes dwell time; Polyether-ether-ketone pipe 2 and polyether-ether-ketone flange plate 4 are heated behind the pressurized, polyether-ether-ketone pipe 2 firmly is adsorbed in the inwall of steel pipe 1, and polyether-ether-ketone flange plate 4 firmly is adsorbed on the end face outer rim of flange 3, simultaneously owing to be heated, polyether-ether-ketone pipe and polyether-ether-ketone flange plate are in aggregates in the joint fusion, be and be tightly connected, in use, corrosive oil can not infiltrate the outside steel pipe of corrosion because of the joint blow-by of polyether-ether-ketone pipe and polyether-ether-ketone flange plate; Effectively prolonged working life;
(F) close heater, open gland when naturally cooling to 100 ℃; Finish the making of steel lining polyether-ether-ketone pipe.
Claims (2)
1. a steel lining polyether-ether-ketone pipe is characterized in that: comprising: steel pipe (1), polyether-ether-ketone pipe (2), flange (3) and polyether-ether-ketone flange plate (4); Described flange (3) is fixed in the two ends of steel pipe (1); Described polyether-ether-ketone pipe (2) is bonded in the inwall of steel pipe (1), and polyether-ether-ketone flange plate (4) is bonded on the end face outer rim of flange (3).
2. a kind of steel lining polyether-ether-ketone pipe according to claim 1 is characterized in that: described steel pipe (1) is carbon steel pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220159193 CN202660087U (en) | 2012-04-16 | 2012-04-16 | Steel lining polyether-ether-ketone pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220159193 CN202660087U (en) | 2012-04-16 | 2012-04-16 | Steel lining polyether-ether-ketone pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202660087U true CN202660087U (en) | 2013-01-09 |
Family
ID=47454996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220159193 Expired - Lifetime CN202660087U (en) | 2012-04-16 | 2012-04-16 | Steel lining polyether-ether-ketone pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202660087U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108006328A (en) * | 2017-12-08 | 2018-05-08 | 自贡市巨光硬面材料科技有限公司 | Full anti-corrosion pipe manufacturing process in one kind |
| CN111020390A (en) * | 2019-12-31 | 2020-04-17 | 扬中市旭禾管业制造有限公司 | Stainless steel pipe and manufacturing method thereof |
-
2012
- 2012-04-16 CN CN 201220159193 patent/CN202660087U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108006328A (en) * | 2017-12-08 | 2018-05-08 | 自贡市巨光硬面材料科技有限公司 | Full anti-corrosion pipe manufacturing process in one kind |
| CN111020390A (en) * | 2019-12-31 | 2020-04-17 | 扬中市旭禾管业制造有限公司 | Stainless steel pipe and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TAICANG MAGNETIC DRIVE PUMP CO., LTD. Free format text: FORMER OWNER: CAI GUOHUA Effective date: 20140428 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140428 Address after: 215400, No. 11, Chengxi South Road, Chengxiang Town, Suzhou City, Jiangsu Province, Taicang Patentee after: Taicang Magnetic Pump Co., Ltd. Address before: 215400, No. 11, Chengxi South Road, Chengxiang Town, Suzhou City, Jiangsu Province, Taicang Patentee before: Cai Guohua |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130109 |