CN201407423Y - Double-metal composite bend pipe with both metallurgical bonding ends and mechanical bonding middle part - Google Patents

Double-metal composite bend pipe with both metallurgical bonding ends and mechanical bonding middle part Download PDF

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Publication number
CN201407423Y
CN201407423Y CN2009200332641U CN200920033264U CN201407423Y CN 201407423 Y CN201407423 Y CN 201407423Y CN 2009200332641 U CN2009200332641 U CN 2009200332641U CN 200920033264 U CN200920033264 U CN 200920033264U CN 201407423 Y CN201407423 Y CN 201407423Y
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China
Prior art keywords
pipe
basal
combination
mechanical
metallurgy
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Expired - Lifetime
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CN2009200332641U
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Chinese (zh)
Inventor
郭崇晓
张燕飞
张小龙
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Xian Sunward Aerospace Material Co Ltd
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Xian Sunward Aerospace Material Co Ltd
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Priority to CN2009200332641U priority Critical patent/CN201407423Y/en
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Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model relates to a double-metal composite bend pipe with both metallurgical bonding ends and the mechanical bonding middle part. A liner tube is arranged in a base pipe. The middle part ofthe liner tube is composited with the base pipe into one body in a mechanical mode. Both ends of the liner tube are composited with the base pipe into one body in a metallurgical mode. The double-metal composite bend pipe combines the advantages of the mechanical composite double-metal composite bend pipe and the metallurgical composited tube, has the advantages of excellent decay resistance, excellent wear-resisting property, long service life, low production cost of the products and the like, and can be popularized and used in the field of petroleum and chemical technology.

Description

The composite bimetal pipe of two ends metallurgy combination intermediate mechanical combination
Technical field
The utility model belongs to the manufacturing technology field of special shape pipe, is specifically related to be used to transmit the composite bimetal pipe of corrosion liquid or etchant gas.
Background technique
Composite bimetal pipe technology and production development are very rapid in recent years, composite bimetal pipe has obtained wide popularization and application in fields such as oil, gas chemical industries with characteristics such as its high performance-price ratios, remarkable economic efficiency and social benefit have been obtained, the application of composite bimetal pipe has solved puzzlement chemical industry, petroleum technology field for many years effectively and has adopted the anti-corrosion weak effect of steel pipe, adopts the high technical barrier of corrosion resistant alloy pipe cost.
Structural feature according to composite bimetal pipe, existing composite bimetal pipe can be divided into two kinds of structural types, a kind of is the mechanical type inner liner compound pipe that liner corrosion resistant alloy pipe and matrix carbon steel pipe are combined closely, as the composite pipe of hydraulic pressure composite pipe, employing drawing hole enlargement or undergauge, the composite pipe of employing blast complex technique etc.
Another kind of for covering composite bimetal pipe in the metallurgical interface of formation between liner corrosion resistant alloy pipe and the matrix carbon steel pipe.As adopt ply-metal volume weldering composite bimetal pipe, adopt that the composite bimetal pipe of explosive welding, the patent No. are 200710051877.3, denomination of invention is " explosion welding technique of composite steel pipes of stainless steel and carbon steel "; Adopt the composite bimetal pipe of centrifugal casting technique, the composite bimetal pipe that adopts soldering tech to make, the patent No. is 02224790.4, denomination of invention is the utility model patent of " a kind of composite bimetal pipe ", being used to solve between the existing parent tube of existing composite bimetal pipe and the bushing pipe exists a large amount of interlayer gaps and the two to combine insecure, the problem that in use easily causes pipe interlayer large size to separate, composite bimetal pipe comprises the bushing pipe that is positioned at outer field parent tube and is positioned at internal layer, between the outer surface of the internal surface of parent tube and bushing pipe one deck brazing layer is arranged, brazing layer has filled up the interlayer gap between parent tube and the bushing pipe.
Composite bimetal pipe is found through in recent years application: mechanical type inner liner compound pipe manufacturing process is simple, and cost of production is lower, but at the scene when construction as welding, technical difficulty is big, the weld is accepted rate is low; Advantages such as metallurgical formula composite bimetal pipe has in conjunction with closely, and it is simple relatively construct, but owing to its up-front investment is big, the combination process complexity, defective such as yield rate is lower directly influences the industrialization of this product.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the shortcoming of above-mentioned single mechanical double metal composite pipe or single metallurgical formula composite pipe, provides that a kind of corrosion resistance and good, wear-resisting property are good, the composite bimetal pipe of long service life, two ends metallurgy combination intermediate mechanical combination that the production cost is low.
Solving the problems of the technologies described above the technological scheme that is adopted is: be provided with bushing pipe in basal body pipe, the bushing pipe middle part is compound with machinery type with basal body pipe to be one, and bushing pipe two ends and basal body pipe metallurgy are compound to be one.
Bushing pipe of the present utility model is an internal lining pipe, and the internal lining pipe middle part is compound with machinery type with basal body pipe to be one, and internal lining pipe two ends and basal body pipe metallurgy are compound to be one.
Bushing pipe of the present utility model comprises internal lining pipe that is arranged on middle part in the basal body pipe and the end liners ring that internal lining pipe two ends in the basal body pipe are set, and internal lining pipe and basal body pipe are compound with machinery type to be one, and end liners ring and basal body pipe metallurgy are compound to be one.
Bushing pipe of the present utility model and basal body pipe machinery type compound for detonation combine or drawing in conjunction with or the hydraulic pressure combination.Bushing pipe of the present utility model two ends and basal body pipe are metallurgical compoundly to be combined for friction welding or soldering.
The diameter of end liners ring of the present utility model is 5~20 with the length ratio.
Internal lining pipe of the present utility model is an alloy lining steel pipe, and the end liners ring is the alloy grommet.
The utility model adopt in basal body pipe with the compound mode of machinery with internal lining pipe and basal body pipe compound be one, the two ends of basal body pipe adopt friction welding to be connected to the end liners ring, the end liners ring adopts welding to connect with the binding site of internal lining pipe and the binding site of basal body pipe, this composite bimetal pipe combines the mechanical double metal composite pipe with two kinds of advantages of metallurgical formula composite pipe.The utlity model has that corrosion resistance and good, wear-resisting property are good, long service life, production low cost and other advantages, can promote the use of at oil and chemical technology field.
Description of drawings
Fig. 1 is the utility model embodiment 1 a structural representation.
Fig. 2 is the utility model embodiment 4 a structural representation.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described, but the utility model is not limited to these embodiments.
Embodiment 1
In Fig. 1, the composite bimetal pipe of the two ends metallurgy combination intermediate mechanical combination of present embodiment is made of basal body pipe 1, internal lining pipe 2, metallurgy layer 3, end liners ring 4,5 connections of boxing circle.
The middle part is compounded with internal lining pipe 2 in basal body pipe 1, adopt mechanical complex method that internal lining pipe 2 outer surfaces and basal body pipe 1 internal surface are connected as a single entity, the compound methods such as detonation combination, drawing combination, hydraulic pressure combination that adopt of machinery are carried out compound, internal lining pipe 2 is an alloy lining steel pipe, has corrosion-resistant, wear-resisting property.Internal lining pipe 2 two ends metallurgy in basal body pipe 1 are compounded with end liners ring 4, adopt friction welding to be connected as a single entity between the outer surface of end liners ring 4 and the basal body pipe 1 end internal surface, also can adopt soldering to be connected as a single entity, form metallurgy layer 3 between the outer surface of end liners ring 4 and the basal body pipe 1 end internal surface, end liners ring 4 is the alloy grommet, end liners ring 4 has corrosion-resistant, wear-resisting property, the diameter of the end liners ring 4 of present embodiment is 15 with the length ratio, the interior edge face of end liners ring 4 connects with the end face binding site welding of internal lining pipe 2, form a circle boxing circle 5, the end face welding of the interior edge face of end liners ring 4 and internal lining pipe 2, make internal lining pipe 2 of the present utility model transmission medium can not occur and enter between basal body pipe 1 and the internal lining pipe 2 and between basal body pipe 1 and the end liners ring 4, etched the matrix pipe 1.This composite bimetal pipe, mechanical bimetal composite composite pipe is combined with two kinds of advantages of metallurgical bimetal composite composite pipe, have that corrosion resistance and good, wear-resisting property are good, advantage such as long service life, production cost of products are low, can promote the use of at oil and chemical technology field.
Embodiment 2
The diameter of the end liners ring 4 of present embodiment is 5 with the length ratio, and the connecting relation between connecting relation, end liners ring 4 and the internal lining pipe 2 between end liners ring 4 and the basal body pipe 1 is identical with embodiment 1.The connecting relation of other component and component is identical with embodiment 1.
Embodiment 3
The internal lining pipe 2 of present embodiment and the length of end liners ring 4 is than 20, and the connecting relation between connecting relation, end liners ring 4 and the internal lining pipe 2 between end liners ring 4 and the basal body pipe 1 is identical with embodiment 1.The connecting relation of other component and component is identical with embodiment 1.
Embodiment 4
In Fig. 2, the composite bimetal pipe of the two ends metallurgy combination intermediate mechanical combination of present embodiment is made of internal lining pipe 2, basal body pipe 1 connection.In basal body pipe 1, the middle part of internal lining pipe 2 and basal body pipe 1 are compound by modes such as detonation or hydraulic pressure machinery be one, and the two ends of internal lining pipe 2 and basal body pipe 1 form metallurgy layer 3 by modes such as explosive welding, solderings, and metallurgy is compound to be one.

Claims (7)

1, a kind of composite bimetal pipe of two ends metallurgy combination intermediate mechanical combination, it is characterized in that: in basal body pipe (1), be provided with bushing pipe, the bushing pipe middle part is compound with machinery type with basal body pipe (1) to be one, and bushing pipe two ends and basal body pipe (1) metallurgy is compound to be one.
2, according to the composite bimetal pipe of the described two ends of claim 1 metallurgy combination intermediate mechanical combination, it is characterized in that: said bushing pipe is internal lining pipe (2), internal lining pipe (2) middle part is compound with machinery type with basal body pipe (1) to be one, and internal lining pipe (2) two ends and basal body pipe (1) metallurgy are compound to be one.
3, according to the composite bimetal pipe of the described two ends of claim 1 metallurgy combination intermediate mechanical combination, it is characterized in that: said bushing pipe comprises internal lining pipe (2) that is arranged on middle part in the basal body pipe (1) and the end liners ring (4) that the interior internal lining pipe of basal body pipe (1) (2) two ends are set, internal lining pipe (2) is compound with machinery type with basal body pipe (1) to be one, and end liners ring (4) is compound with basal body pipe (1) metallurgy to be one.
4, according to the composite bimetal pipe of the described two ends of claim 1 metallurgy combination intermediate mechanical combination, it is characterized in that: said bushing pipe and basal body pipe (1) machinery type compound for detonation combine or drawing in conjunction with or the hydraulic pressure combination; Said bushing pipe two ends and basal body pipe (1) are metallurgical compoundly to be combined for friction welding or soldering.
5, according to the composite bimetal pipe of claim 2 or 3 described two ends metallurgy combination intermediate mechanical combinations, it is characterized in that: the diameter of said end liners ring (4) is 5~20 with the length ratio.
6, according to the composite bimetal pipe of claim 2 or 3 described two ends metallurgy combination intermediate mechanical combinations, it is characterized in that: said internal lining pipe (2) is an alloy lining steel pipe, and end liners ring (4) is the alloy grommet.
7, according to the composite bimetal pipe of the described two ends of claim 5 metallurgy combination intermediate mechanical combination, it is characterized in that: said internal lining pipe (2) is an alloy lining steel pipe, and end liners ring (4) is the alloy grommet.
CN2009200332641U 2009-05-22 2009-05-22 Double-metal composite bend pipe with both metallurgical bonding ends and mechanical bonding middle part Expired - Lifetime CN201407423Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009200332641U CN201407423Y (en) 2009-05-22 2009-05-22 Double-metal composite bend pipe with both metallurgical bonding ends and mechanical bonding middle part

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009200332641U CN201407423Y (en) 2009-05-22 2009-05-22 Double-metal composite bend pipe with both metallurgical bonding ends and mechanical bonding middle part

Publications (1)

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CN201407423Y true CN201407423Y (en) 2010-02-17

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2505421A (en) * 2012-08-28 2014-03-05 Polypipe Ltd A method of protecting the end of a pipe
CN104976438A (en) * 2014-04-11 2015-10-14 北京安科管道工程科技有限公司 Outer end pipe used for composite metal pipe and manufacturing method of outer end pipe
CN105090627A (en) * 2015-08-25 2015-11-25 江苏众信绿色管业科技有限公司 Bimetal composite pipe
CN105135071A (en) * 2015-08-25 2015-12-09 江苏众信绿色管业科技有限公司 Method for manufacturing double-metal composite pipe
GB2528713A (en) * 2014-07-30 2016-02-03 Technip France Bi-metallic mechanically lined pipe
GB2586170A (en) * 2019-08-09 2021-02-10 Acergy France SAS Manufacturing bimetallic lined pipes

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2505421A (en) * 2012-08-28 2014-03-05 Polypipe Ltd A method of protecting the end of a pipe
GB2505421B (en) * 2012-08-28 2020-10-14 Polypipe Ltd Method of protecting the end of a pipe
CN104976438A (en) * 2014-04-11 2015-10-14 北京安科管道工程科技有限公司 Outer end pipe used for composite metal pipe and manufacturing method of outer end pipe
NO343167B1 (en) * 2014-07-30 2018-11-19 Technip France A method of manufacturing a bi-metallic mechanically lined pipe
GB2528713A (en) * 2014-07-30 2016-02-03 Technip France Bi-metallic mechanically lined pipe
WO2016016713A1 (en) * 2014-07-30 2016-02-04 Technip France Bi-metallic mechanically lined pipe with metallurgical bonding at its ends; method of manufacturing such bi-metallic lined pipe
NO20170106A1 (en) * 2014-07-30 2017-01-24 Technip France Bi-metallic mechanically lined pipe with metallurgical bonding at its ends; method of manufacturing such bi-metallic lined pipe
GB2528713B (en) * 2014-07-30 2017-10-25 Technip France Method of manufacturing a bi-metallic mechanically lined pipe
CN105090627A (en) * 2015-08-25 2015-11-25 江苏众信绿色管业科技有限公司 Bimetal composite pipe
CN105135071A (en) * 2015-08-25 2015-12-09 江苏众信绿色管业科技有限公司 Method for manufacturing double-metal composite pipe
GB2586170A (en) * 2019-08-09 2021-02-10 Acergy France SAS Manufacturing bimetallic lined pipes
WO2021028721A3 (en) * 2019-08-09 2021-04-22 Acergy France SAS Method of manufacturing bimetallic lined pipes and such pipes

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Granted publication date: 20100217

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