CN110450428A - A kind of composite bimetal pipe and its manufacturing method of rubber interface structure - Google Patents
A kind of composite bimetal pipe and its manufacturing method of rubber interface structure Download PDFInfo
- Publication number
- CN110450428A CN110450428A CN201910689709.XA CN201910689709A CN110450428A CN 110450428 A CN110450428 A CN 110450428A CN 201910689709 A CN201910689709 A CN 201910689709A CN 110450428 A CN110450428 A CN 110450428A
- Authority
- CN
- China
- Prior art keywords
- rubber
- pipe
- internal lining
- interface structure
- composite bimetal
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/70—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by moulding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/52—Joining tubular articles, bars or profiled elements
- B29C66/522—Joining tubular articles
- B29C66/5221—Joining tubular articles for forming coaxial connections, i.e. the tubular articles to be joined forming a zero angle relative to each other
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/61—Joining from or joining on the inside
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/74—Joining plastics material to non-plastics material
- B29C66/742—Joining plastics material to non-plastics material to metals or their alloys
- B29C66/7428—Transition metals or their alloys
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2009/00—Layered products
- B29L2009/003—Layered products comprising a metal layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/22—Tubes or pipes, i.e. rigid
Abstract
The invention discloses a kind of composite bimetal pipes of rubber interface structure, including base tube, rubber layer and the internal lining pipe successively combined closely from outside to inside.The invention also discloses a kind of manufacturing methods of the composite bimetal pipe of rubber interface structure.The present invention solves the problems, such as that base tube existing in the prior art, bushing pipe bond strength are low.
Description
Technical field
The invention belongs to composite pipe technical fields, are related to a kind of composite bimetal pipe of rubber interface structure, further relate to
A kind of manufacturing method of the composite bimetal pipe of rubber interface structure.
Background technique
Composite bimetal pipe is mainly used in sea-bottom oil-gas conveying, and structure is mainly made of base tube and internal lining pipe, wherein
Base tube is mainly made of carbon steel pipe or low alloy steel, and as shown in Figure 3 and Figure 4, main function is resistance to compression and support internal lining pipe；It is interior
Bushing pipe is mainly made of the corrosion resistancies material such as stainless steel, Fe-Ni alloy, and main function is resistant to corruption of the oil gas medium to pipeline
Erosion, improves the service life of pipeline.
Bond strength (axial shearing peeling strength) low, the In of the composite bimetal pipe of this structure because of base tube and internal lining pipe
The problems such as often will appear liner unstability, liner bulge, Fall of lining, booster in use, has seriously affected the economic effect in oil field
Benefit.
Summary of the invention
The object of the present invention is to provide a kind of composite bimetal pipes of rubber interface structure, solve and exist in the prior art
The object of the present invention is to provide a kind of composite bimetal pipe of rubber interface structure, solve base existing in the prior art
The low problem of pipe, bushing pipe bond strength.
The technical scheme adopted by the invention is that
A kind of composite bimetal pipe of rubber interface structure, including successively combine closely from outside to inside base tube, rubber layer
And internal lining pipe.
The features of the present invention also characterized in that
Wherein base tube is carbon steel pipe or low alloy steel；Wherein rubber layer is that oil resistant, high temperature resistant, resistance to low temperature are good
Rubber, wherein internal lining pipe is the strong alloy material of corrosion resistance.
Wherein rubber layer is nitrile rubber, hydrogenated nitrile-butadiene rubber or fluorine silicone rubber material.
Wherein internal lining pipe is Fe-Ni alloy or stainless steel material.
It is a further object of the present invention to provide a kind of manufacturing method of the composite bimetal pipe of rubber interface structure, the present invention
The technical scheme adopted is that
A kind of manufacturing method of the composite bimetal pipe of rubber interface structure, which is characterized in that specifically according to the following steps
Implement:
Step 1, liner tube outer surface and base tube inner surface greasy dirt and iron rust are cleaned；
Step 2, liner tube outer surface coating rubber stick and drying；
Step 3, rubber layer is closely twined to liner tube outer surface；
Step 4, rubber layer outer surface coating rubber stick and drying；
Step 5, the internal lining pipe for being tied with rubber layer is put into base tube；
Step 6, give internal lining pipe pressurization, fit closely base tube, rubber layer with internal lining pipe together with；
Step 7, give homogeneous tube heating, until rubber layer respectively with base tube and internal lining pipe strong bond.
Wherein liner pipe outside diameter is 8-10mm smaller than base pipe diameter；Wherein rubber layer is the sheet rubber of 0.5mm-5mm thickness；
Rubber rubber stick in step 2 and step 4 is rubber Heat vulcanization adhesive.
Wherein base tube is carbon steel pipe or low alloy steel；Wherein rubber layer is that oil resistant, high temperature resistant, resistance to low temperature are good
Rubber, wherein internal lining pipe is the strong alloy material of corrosion resistance.
Wherein rubber layer is nitrile rubber, hydrogenated nitrile-butadiene rubber or fluorine silicone rubber material；Wherein internal lining pipe is Fe-Ni alloy
Or stainless steel material.
The beneficial effects of the invention are as follows
The present invention improves the bond strength of internal lining pipe and base tube, and reducing often will appear liner unstability, interior in use
The problem of serving as a contrast bulge, Fall of lining, booster.In addition also there is oil resistant, high temperature resistant, low temperature resistant performance.
Detailed description of the invention
Fig. 1 is a kind of radial cross-section of the composite bimetal pipe of rubber interface structure of the present invention；
Fig. 2 is a kind of viewgraph of cross-section of the composite bimetal pipe of rubber interface structure of the present invention；
Fig. 3 is the radial cross-section of the composite bimetal pipe of traditional structure；
Fig. 4 is the viewgraph of cross-section of the composite bimetal pipe of traditional structure.
In figure, 1. internal lining pipes, 2. rubber layers, 3. base tubes.
Specific embodiment
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
A kind of composite bimetal pipe of rubber interface structure of the present invention, as depicted in figs. 1 and 2, including from outside to inside successively
Base tube 3, rubber layer 2 and the internal lining pipe 1 combined closely.
Wherein base tube 3 is carbon steel pipe or low alloy steel；Wherein rubber layer 2 is that oil resistant, high temperature resistant, resistance to low temperature are good
Rubber, wherein internal lining pipe 1 is the strong alloy material of corrosion resistance.
Wherein rubber layer is nitrile rubber, hydrogenated nitrile-butadiene rubber or fluorine silicone rubber material.
Wherein internal lining pipe 1 is Fe-Ni alloy or stainless steel material.
A kind of manufacturing method of the composite bimetal pipe of above-mentioned rubber interface structure is as follows:
Step 1,1 outer surface of internal lining pipe and 3 inner surface greasy dirt of base tube and iron rust are cleaned；
Step 2,1 outer surface coating rubber Heat vulcanization adhesive of internal lining pipe and drying；
Step 3, rubber layer 2 is closely twined to 1 outer surface of internal lining pipe；
Step 4,2 outer surface coating rubber Heat vulcanization adhesive of rubber layer and drying；
Step 5, the internal lining pipe 1 for being tied with rubber layer is put into base tube 3；
Step 6, to internal lining pipe 1 pressurize, fit closely base tube 3, rubber layer 2 with internal lining pipe 1 together with；
Step 7, give homogeneous tube heating, until rubber layer 2 respectively with 1 strong bond of base tube 3 and internal lining pipe.
Wherein 1 outer diameter of internal lining pipe is 8-10mm smaller than 3 internal diameter of base tube；Wherein rubber layer 2 is the rubber of 0.5mm-5mm thickness
Piece；
Embodiment 1
Step 1-7 is executed, wherein base tube 3 is carbon steel pipe, and rubber layer 5 is made of hydrogenated nitrile-butadiene rubber, and internal lining pipe 4 is stainless
Steel pipe.
Embodiment 2
Step 1-7 is executed, wherein base tube 3 is low alloy steel, and rubber layer 5 is made of hydrogenated nitrile-butadiene rubber, and internal lining pipe 4 is
Stainless steel tube.
Embodiment 3
Step 1-7 is executed, wherein base tube 3 is low alloy steel, and rubber layer 5 is made of nitrile rubber, and internal lining pipe 4 is iron-
Nickel alloy steel pipe.
Embodiment 4
Step 1-7 is executed, wherein base tube 3 is carbon steel pipe, and rubber layer 5 is made of nitrile rubber, and internal lining pipe 4 is stainless steel
Pipe.
Embodiment 5
Step 1-7 is executed, wherein by being carbon steel pipe, rubber layer 5 is made base tube 3 of fluorine silicone rubber, and internal lining pipe 4 is iron-nickel
Alloy pipe.
Comparison conventional dual-metal multiple tube and bimetallic bond strength of the invention as shown in table 1, it is of the invention double in table 1
1~sample of sample 5 of metal composite pipe is respectively the composite bimetal pipe according to made by 1~embodiment of embodiment 5, in table 1
1~sample of sample 5 of the composite bimetal pipe of traditional structure be respectively and base tube in 1~embodiment of embodiment 5 and liner tubing
The composite bimetal pipe sample of the identical traditional structure of matter.According to table 1, the combination of the composite bimetal pipe of traditional structure is strong
Degree average value is 0.96MPa, and the bond strength average value of composite bimetal pipe of the invention is 7.82MPa, and the present invention is a kind of
The bond strength of the composite bimetal pipe of rubber interface structure is far longer than the bond strength of the composite bimetal pipe of traditional structure.
1 conventional dual-metal multiple tube of table intensity contrast in conjunction with bimetallic of the invention
Claims (9)
1. a kind of composite bimetal pipe of rubber interface structure, which is characterized in that including the base successively combined closely from outside to inside
Manage (3), rubber layer (2) and internal lining pipe (1).
2. a kind of composite bimetal pipe of rubber interface structure as described in claim 1, which is characterized in that the base tube (3)
For carbon steel pipe or low alloy steel；The rubber layer (2) is oil resistant, high temperature resistant, the good rubber of resistance to low temperature, the liner
Managing (1) is the strong alloy material of corrosion resistance.
3. a kind of composite bimetal pipe of rubber interface structure as claimed in claim 2, which is characterized in that the rubber layer is
Nitrile rubber, hydrogenated nitrile-butadiene rubber or fluorine silicone rubber material.
4. a kind of composite bimetal pipe of rubber interface structure as claimed in claim 2, which is characterized in that the internal lining pipe
It (1) is Fe-Ni alloy or stainless steel material.
5. a kind of manufacturing method of the composite bimetal pipe of rubber interface structure, which is characterized in that specifically real according to the following steps
It applies:
Step 1, internal lining pipe (1) outer surface and base tube (3) inner surface greasy dirt and iron rust are cleaned；
Step 2, internal lining pipe (1) outer surface coating rubber stick and drying；
Step 3, rubber layer (2) is closely twined to internal lining pipe (1) outer surface；
Step 4, rubber layer (2) outer surface coating rubber stick and drying；
Step 5, the internal lining pipe (1) for being tied with rubber layer is put into base tube (3)；
Step 6, it pressurizes to internal lining pipe (1), fits closely base tube (3), rubber layer (2) and internal lining pipe (1) together；
Step 7, give homogeneous tube heating, until rubber layer (2) respectively with base tube (3) and internal lining pipe (1) strong bond.
6. a kind of manufacturing method of the composite bimetal pipe of rubber interface structure as claimed in claim 5, which is characterized in that institute
It is 8-10mm smaller than base tube (3) internal diameter to state internal lining pipe (1) outer diameter；The rubber layer (2) is the sheet rubber of 0.5mm-5mm thickness.
7. a kind of manufacturing method of the composite bimetal pipe of rubber interface structure as claimed in claim 5, which is characterized in that step
Described rapid 2 and step 4 in rubber rubber stick be rubber Heat vulcanization adhesive.
8. a kind of manufacturing method of the composite bimetal pipe of rubber interface structure as claimed in claim 5, which is characterized in that institute
Stating base tube (3) is carbon steel pipe or low alloy steel；The rubber layer (2) is oil resistant, high temperature resistant, the good rubber of resistance to low temperature
Glue, the strong alloy material of internal lining pipe (1) corrosion resistance.
9. a kind of manufacturing method of the composite bimetal pipe of rubber interface structure as claimed in claim 5, which is characterized in that institute
Stating rubber layer (2) is nitrile rubber, hydrogenated nitrile-butadiene rubber or fluorine silicone rubber material；The internal lining pipe (1) is for Fe-Ni alloy or not
Rust steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910689709.XA CN110450428A (en) | 2019-07-29 | 2019-07-29 | A kind of composite bimetal pipe and its manufacturing method of rubber interface structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910689709.XA CN110450428A (en) | 2019-07-29 | 2019-07-29 | A kind of composite bimetal pipe and its manufacturing method of rubber interface structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110450428A true CN110450428A (en) | 2019-11-15 |
Family
ID=68483844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910689709.XA Pending CN110450428A (en) | 2019-07-29 | 2019-07-29 | A kind of composite bimetal pipe and its manufacturing method of rubber interface structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN110450428A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111716745A (en) * | 2020-06-17 | 2020-09-29 | 浙江久立特材科技股份有限公司 | Method for preparing bimetal glued composite pipe |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2213103Y (en) * | 1995-02-21 | 1995-11-22 | 戴金友 | High strength elastic locating cover |
| CN1328502A (en) * | 1998-05-08 | 2001-12-26 | 弗恩投资有限公司 | Composite structure laminate |
| CN201891950U (en) * | 2010-08-26 | 2011-07-06 | 傅德生 | Bimetallic composite tube |
| CN105750832A (en) * | 2014-12-18 | 2016-07-13 | 中国石油天然气集团公司 | Production method for bimetal composite pipe |
-
2019
- 2019-07-29 CN CN201910689709.XA patent/CN110450428A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2213103Y (en) * | 1995-02-21 | 1995-11-22 | 戴金友 | High strength elastic locating cover |
| CN1328502A (en) * | 1998-05-08 | 2001-12-26 | 弗恩投资有限公司 | Composite structure laminate |
| CN201891950U (en) * | 2010-08-26 | 2011-07-06 | 傅德生 | Bimetallic composite tube |
| CN105750832A (en) * | 2014-12-18 | 2016-07-13 | 中国石油天然气集团公司 | Production method for bimetal composite pipe |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111716745A (en) * | 2020-06-17 | 2020-09-29 | 浙江久立特材科技股份有限公司 | Method for preparing bimetal glued composite pipe |
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Application publication date: 20191115 |