CN205402096U - Based on inside and outside spraying epoxy powder and integrated steel pipe of mouth of pipe inside lining aseptic technic - Google Patents
Based on inside and outside spraying epoxy powder and integrated steel pipe of mouth of pipe inside lining aseptic technic Download PDFInfo
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- CN205402096U CN205402096U CN201620184556.5U CN201620184556U CN205402096U CN 205402096 U CN205402096 U CN 205402096U CN 201620184556 U CN201620184556 U CN 201620184556U CN 205402096 U CN205402096 U CN 205402096U
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- steel pipe
- pipe body
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- epoxy powder
- mouth
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Abstract
The utility model relates to a based on inside and outside spraying epoxy powder and integrated steel pipe of mouth of pipe inside lining aseptic technic, including steel pipe body unit, every steel pipe body unit all includes the steel pipe body, and two port inboards of steel pipe body all are provided with inside lining stainless steel nipple joint, and inside lining stainless steel nipple joint all extends to the steel pipe, and this is external, be provided with outer soldering and sealing metal level between the outer end of inside lining stainless steel nipple joint and the tip of steel pipe body, soldering and sealing metal level in being provided with between the inner of inside lining stainless steel nipple joint and the inside wall of steel pipe body, all be provided with the epoxy powder coating on the lateral wall of steel pipe body and the inside wall. The utility model discloses a set up inside lining stainless steel nipple joint to carry out soldering and sealing to the tie point and form outer soldering and sealing metal level and interior soldering and sealing metal level, set up the epoxy powder coating at steel pipe body inner wall and outer wall simultaneously, have chemical resistance, long service life's characteristics, mechanical properties stablizes, has improved the life of oil field ground pipeline and petrochemical pipeline.
Description
[technical field]
This utility model relates to pipeline field, is specifically related to a kind of based on spraying inside and outside epoxy powder and mouth of pipe inside lining anti-corrosive Integration ofTechnology steel pipe.
[background technology]
Because of oil field ground pipeline, the feature of petrochemical pipe is that medium internal corrosion is serious, particularly the breakage of oil field oil pipeline causes crude oil to reveal, cause environmental pollution, the wasting of resources, and composite bimetal pipe cost in oil field ground pipeline is applied is high, pipeline enclosure weld seam easily leaks, and is not used widely in oil field ground pipe engineering.
[summary of the invention]
The purpose of this utility model is in that to overcome problems of the prior art, it is provided that a kind of based on spraying inside and outside epoxy powder and mouth of pipe inside lining anti-corrosive Integration ofTechnology steel pipe, corrosion-resistant, does not easily cause leakage, and less costly.
In order to achieve the above object, this utility model adopts the following technical scheme that
Including steel pipe body unit, each steel pipe body unit all includes steel pipe body, is provided with inner liner stainless steel pipe nipple inside two ports of steel pipe body, and inner liner stainless steel pipe nipple all extends to steel pipe, and this is external；It is provided with outer soldering and sealing metal level between outer end and the end of steel pipe body of inner liner stainless steel pipe nipple, between the inner and the medial wall of steel pipe body of inner liner stainless steel pipe nipple, is provided with interior seal metal layer；The lateral wall of steel pipe body and medial wall are provided with FBE.
Further, the inwall of side, inner liner stainless steel pipe nipple the inner is also equipped with FBE.
Further, steel pipe body is seamless steel pipe or welded still pipe, and inner liner stainless steel pipe nipple is gapless stainless steel tube or welded stainless steel pipe.
Further, steel pipe body is carbon steel tubing or alloy pipe.
Further, the thickness of steel pipe body is 3～20mm, and length is 3～12m.
Further, inner liner stainless steel pipe nipple thickness is 1～3mm, and length is 80～300mm.
Further, the thickness of FBE is 0.3～0.8mm.
Further, this integrated steel pipe is welded relatively by the end of several steel pipe body unit；And in adjacent steel pipe body unit, between two relative steel pipe bodies, it is provided with steel pipe body butt welding metal level, it is provided with inner liner stainless steel pipe nipple butt welding metal level between two relative inner liner stainless steel pipe nipples.
Further, the lateral wall of steel pipe body butt welding metal level is also equipped with FBE.
Compared with prior art, this utility model has following useful technique effect:
This utility model is by arranging inner liner stainless steel pipe nipple at the internal wall of pipe orifice of steel pipe body, and inner liner stainless steel pipe nipple is carried out soldering and sealing in the junction point of steel pipe body, form outer soldering and sealing metal level and interior seal metal layer, FBE is set on steel pipe inner body wall surface and outer wall surface simultaneously, form composite steel tube, there is resistance to chemical attack, the feature of long service life, do not easily cause leakage；Stable mechanical property simultaneously, relative composite bimetal pipe has the feature that price is low, production cost economy, only has the 30-40% of composite bimetal pipe price, this utility model not only substantially increases oil field ground pipeline and the service life of petrochemical industry pipeline, also reduces construction investment cost.This utility model steel pipe applies also for other field, such as natural-gas transfer pipeline, indusqtrial water supply and sewage conduct etc..
Further, this utility model can also be welded relatively by the end of several steel pipe body unit, it is possible to effectively extensional pipeline length, and is easy to pipeline transportation；Weld is from inside to outside followed successively by inner liner stainless steel pipe nipple butt welding metal level and steel pipe body butt welding metal level simultaneously, because inner liner stainless steel pipe nipple extends to steel pipe, this is external, so the thickness of inner liner stainless steel pipe nipple butt welding metal level is less than the thickness of steel pipe body butt welding metal level, and it is additionally provided with outer soldering and sealing metal level between the two, it is possible to effectively prevent commissure from revealing.
Further, the lateral wall of steel pipe body butt welding metal level is also equipped with FBE, is better protected from pipeline leakage.
[accompanying drawing explanation]
Fig. 1 is structural section schematic diagram of the present utility model；
Fig. 2 is welding schematic diagram between this utility model steel pipe body unit.
Wherein, 1-steel pipe body, 2-inner liner stainless steel pipe nipple, seal metal layer in 3-, the outer soldering and sealing metal level of 4-, FBE in 5-, the outer FBE of 6-, 7-inner liner stainless steel pipe nipple butt welding metal level, 8-steel pipe body butt welding metal level.
[detailed description of the invention]
Below in conjunction with accompanying drawing, this utility model is described in further details.
Referring to Fig. 1, this utility model includes steel pipe body unit, and each steel pipe body unit all includes steel pipe body 1, is provided with inner liner stainless steel pipe nipple 2 inside two ports of steel pipe body 1, and inner liner stainless steel pipe nipple 2 all extends to outside steel pipe body 1；It is provided with outer soldering and sealing metal level 4 between outer end and the end of steel pipe body 1 of inner liner stainless steel pipe nipple 2, between the inner and the medial wall of steel pipe body 1 of inner liner stainless steel pipe nipple 2, is provided with interior seal metal layer 3；The outer wall of steel pipe body 1 and inwall are coated with outer FBE 6 and interior FBE 5 respectively, form corrosion-inhibiting coating.The inwall of the inner side of inner liner stainless steel pipe nipple 2 is also equipped with FBE, and and the inwall of interior FBE 5 flush.
The thickness of steel pipe body 1 is 3～20mm, and length is 3～12m；Preferred thickness is 4.5mm, it is preferred that length is 12m.Inner liner stainless steel pipe nipple 2 thickness is 1～3mm, and length is 80～300mm；Preferred thickness is 1.5mm, it is preferred that length is 200mm.
Steel pipe body 1 is seamless carbon steel tube, seamless alloy pipe, welding carbon steel tubing or welding alloy steel pipe；Inner liner stainless steel pipe nipple 2 is gapless stainless steel tube or welded stainless steel pipe.
Interior FBE 5 and outer FBE 6 are External fusion bonded epoxy coating, and the coating thickness of FBE is all not less than 0.3mm, are 0.3～0.8mm, it is preferred that FBE thickness is 0.3mm.
Specifically used mode of the present utility model is: can directly use steel pipe body unit；The end of several steel pipe body unit can also be welded between two relatively, as shown in Figure 2, and after having welded, in adjacent steel pipe body unit, steel pipe body butt welding metal level 8 it is provided with between two relative steel pipe bodies 1, be provided with inner liner stainless steel pipe nipple butt welding metal level 7 between two relative inner liner stainless steel pipe nipples 2, the lateral wall of steel pipe body butt welding metal level 8 be also equipped with FBE, and and the outer wall of outer FBE 6 flush.
This utility model is at the swollen note inner liner stainless steel pipe nipple 2 of internal wall of pipe orifice of steel pipe body 1, junction point carries out soldering and sealing, in the inner wall surface of steel pipe body 1 and outer wall surface through spraying the NEW TYPE OF COMPOSITE steel pipe of epoxy powder Integration ofTechnology, there is resistance to chemical attack, long service life, and stable mechanical property, relative composite bimetal pipe has the advantages that price is low, production cost economy, only have the 30-40% of composite bimetal pipe price, not only substantially increase oil field ground pipeline and the service life of petrochemical industry pipeline, also reduce construction investment cost.This utility model provides a kind of spraying inside and outside epoxy powder and arranges inner liner stainless steel pipe nipple 2 at the carbon steel mouth of pipe, and it is applicable to oil field ground pipeline and petrochemical industry pipeline specific complex steel pipe, solve the pipe leakage that in oil field ground Oil of Oil Pipeline chemical industry, common steel tube causes because of medium internal corrosion, service life is short, composite bimetal pipe application cost height and the problem being difficult to promote, this utility model steel pipe body 1 inside and outside wall has resistance to chemical corrosion, in the use of oil field ground pipeline and petrochemical industry pipeline, substantially increase the service life of pipeline, can as oil field ground feed-line, oil field ground sewage conduct, anti-corrosion pipeline in petroleum chemical industry, or it is also used as natural-gas transfer pipeline, indusqtrial water supply and sewage conduct, sanitary sewer etc..
Claims (9)
1. one kind based on spraying inside and outside epoxy powder and mouth of pipe inside lining anti-corrosive Integration ofTechnology steel pipe, it is characterized in that: include steel pipe body unit, each steel pipe body unit all includes steel pipe body (1), being provided with inner liner stainless steel pipe nipple (2) inside two ports of steel pipe body (1), inner liner stainless steel pipe nipple (2) all extends to steel pipe body (1) outward；It is provided with outer soldering and sealing metal level (4) between outer end and the end of steel pipe body (1) of inner liner stainless steel pipe nipple (2), between the inner and the medial wall of steel pipe body (1) of inner liner stainless steel pipe nipple (2), is provided with interior seal metal layer (3)；The lateral wall of steel pipe body (1) and medial wall are provided with FBE.
2. one according to claim 1 is based on spraying inside and outside epoxy powder and mouth of pipe inside lining anti-corrosive Integration ofTechnology steel pipe, it is characterised in that: the inwall of the inner side of inner liner stainless steel pipe nipple (2) is also equipped with FBE.
3. one according to claim 1 is based on spraying inside and outside epoxy powder and mouth of pipe inside lining anti-corrosive Integration ofTechnology steel pipe, it is characterized in that: steel pipe body (1) is seamless steel pipe or welded still pipe, inner liner stainless steel pipe nipple (2) is gapless stainless steel tube or welded stainless steel pipe.
4. the one according to claim 1 or 3 is based on spraying inside and outside epoxy powder and mouth of pipe inside lining anti-corrosive Integration ofTechnology steel pipe, it is characterised in that: steel pipe body (1) is carbon steel tubing or alloy pipe.
5. the one according to any one in claim 1-3 is based on spraying inside and outside epoxy powder and mouth of pipe inside lining anti-corrosive Integration ofTechnology steel pipe, it is characterised in that: the thickness of steel pipe body (1) is 3～20mm, and length is 3～12m.
6. the one according to any one in claim 1-3 is based on spraying inside and outside epoxy powder and mouth of pipe inside lining anti-corrosive Integration ofTechnology steel pipe, it is characterised in that: inner liner stainless steel pipe nipple (2) thickness is 1～3mm, and length is 80～300mm.
7. the one according to any one in claim 1-3 is based on spraying inside and outside epoxy powder and mouth of pipe inside lining anti-corrosive Integration ofTechnology steel pipe, it is characterised in that: the thickness of FBE is 0.3～0.8mm.
8. one according to claim 1 is based on spraying inside and outside epoxy powder and mouth of pipe inside lining anti-corrosive Integration ofTechnology steel pipe, it is characterised in that: this integrated steel pipe is welded relatively by the end of several steel pipe body unit；And in adjacent steel pipe body unit, it is provided with steel pipe body butt welding metal level (8) between two relative steel pipe bodies (1), between two relative inner liner stainless steel pipe nipples (2), is provided with inner liner stainless steel pipe nipple butt welding metal level (7).
9. one according to claim 8 is based on spraying inside and outside epoxy powder and mouth of pipe inside lining anti-corrosive Integration ofTechnology steel pipe, it is characterised in that: the lateral wall of steel pipe body butt welding metal level (8) is also equipped with FBE.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620184556.5U CN205402096U (en) | 2016-03-10 | 2016-03-10 | Based on inside and outside spraying epoxy powder and integrated steel pipe of mouth of pipe inside lining aseptic technic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620184556.5U CN205402096U (en) | 2016-03-10 | 2016-03-10 | Based on inside and outside spraying epoxy powder and integrated steel pipe of mouth of pipe inside lining aseptic technic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205402096U true CN205402096U (en) | 2016-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620184556.5U Expired - Fee Related CN205402096U (en) | 2016-03-10 | 2016-03-10 | Based on inside and outside spraying epoxy powder and integrated steel pipe of mouth of pipe inside lining aseptic technic |
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| CN (1) | CN205402096U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106322051A (en) * | 2016-08-29 | 2017-01-11 | 延安中海石油工程技术开发有限公司 | Corrosion-resistant pipeline and connecting method of corrosion-resistant pipeline |
| CN106641497A (en) * | 2016-10-18 | 2017-05-10 | 延安中海石油工程技术开发有限公司 | Joint-coating-welding-free connector for inner anticorrosion steel tube and machining method |
| CN107191727A (en) * | 2017-05-27 | 2017-09-22 | 延安中海石油工程技术开发有限公司 | A kind of heavy antisepsis elbow bend pipe and preparation method thereof |
| CN110081242A (en) * | 2019-04-15 | 2019-08-02 | 重庆鼎久管道有限公司 | A kind of two metal solder plastic coated composite steel pipe |
| CN110131492A (en) * | 2019-05-13 | 2019-08-16 | 中国二十冶集团有限公司 | A kind of connection method of liner pipe |
| CN112824727A (en) * | 2019-11-20 | 2021-05-21 | 宝山钢铁股份有限公司 | Bimetal composite pipe threaded joint and preparation method thereof |
| CN114857373A (en) * | 2022-04-28 | 2022-08-05 | 重庆鼎久管道有限公司 | Bimetal welding plastic-coated composite steel pipe |
-
2016
- 2016-03-10 CN CN201620184556.5U patent/CN205402096U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106322051A (en) * | 2016-08-29 | 2017-01-11 | 延安中海石油工程技术开发有限公司 | Corrosion-resistant pipeline and connecting method of corrosion-resistant pipeline |
| CN106641497A (en) * | 2016-10-18 | 2017-05-10 | 延安中海石油工程技术开发有限公司 | Joint-coating-welding-free connector for inner anticorrosion steel tube and machining method |
| CN107191727A (en) * | 2017-05-27 | 2017-09-22 | 延安中海石油工程技术开发有限公司 | A kind of heavy antisepsis elbow bend pipe and preparation method thereof |
| CN110081242A (en) * | 2019-04-15 | 2019-08-02 | 重庆鼎久管道有限公司 | A kind of two metal solder plastic coated composite steel pipe |
| CN110131492A (en) * | 2019-05-13 | 2019-08-16 | 中国二十冶集团有限公司 | A kind of connection method of liner pipe |
| CN112824727A (en) * | 2019-11-20 | 2021-05-21 | 宝山钢铁股份有限公司 | Bimetal composite pipe threaded joint and preparation method thereof |
| CN114857373A (en) * | 2022-04-28 | 2022-08-05 | 重庆鼎久管道有限公司 | Bimetal welding plastic-coated composite steel pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160727 Termination date: 20210310 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |