Bimetal composite pipe
A bimetallic composite pipe and composite pipe technology, applied in the direction of pipes, rigid pipes, pipes/pipe joints/pipe fittings, etc., can solve the problems of expensive metallurgical composite layer production, unfavorable mass production, failure of bimetallic pipes, etc. Application prospect, easy mass production, good performance
Inactive Publication Date: 2015-11-25
江苏众信绿色管业科技有限公司
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- Abstract
- Description
- Claims
- Application Information
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Problems solved by technology
[0005] The technical problem solved by the present invention is that the existing mechanical composite pipes are prone to defects such as delamination under the condition of high temperature and long-term use, resulting in failure of bimetallic pipes, and metallurgical composite pipes and metallurgical composite layers are expensive to manufacture , is not conducive to the problem of mass production
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[0019] The present invention will be further described below in conjunction with the accompanying drawings.
[0020] In the bimetal composite pipe with intermittently arranged metallurgical composite parts of the present invention, the joint surface of the liner pipe and the base pipe is composed of a mechanical joint section and a metallurgical joint section intermittently distributed, and there is at least one metallurgical joint section, so that the double Metal composite pipe has the advantages of low cost of mechanical composite pipe, high bonding strength and good performance of metallurgical composite pipe, which can meet the working conditions where mechanical composite pipe cannot be used, and can replace some metallurgical composite pipes. , the cost is moderate, and it is convenient for mass production, such as figure 1 As shown, the composite pipe body composed of the liner pipe 1 and the base pipe 2, the liner pipe 1 is set on the inner wall of the base pipe 2, or...
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Abstract
The invention discloses a bimetal composite pipe. The combining face of a lining pipe and a base layer pipe is composed of mechanical combining part sections and metallurgical combining part sections at intervals. At least one of metallurgical combining part section is arranged except the pipe end. The bimetal composite pipe has the beneficial effect of a mechanical composite pipe low in cost and also has the beneficial effects of a metallurgical composite pipe high in combining strength and good in using performance, and the work conditions that the mechanical composite pipe cannot be used can be met; and meanwhile usage of part of metallurgical composite pipes can be replaced, cost is moderate, batch production is facilitated, and good application prospects are achieved.
Description
technical field [0001] The invention relates to the technical field of metal composite pipes, in particular to a bimetallic composite pipe in which metallurgical composite parts are intermittently arranged. Background technique [0002] Bimetallic composite pipes are mainly used in the transportation of corrosive media, heat exchange in heat exchangers, etc. Usually, the base pipe is used to bear pressure, and the liner pipe is used to resist corrosive media. At present, the outer bimetallic composite pipes on the market can be mainly divided into two types: mechanical composite pipes and metallurgical composite pipes. The details are as follows: [0003] (1) The mechanical composite pipe is to penetrate the liner pipe into the base pipe, and superimpose the two pipes coaxially, and then through certain processes such as hydraulic pressure, spinning, explosion, etc., the inner liner pipe undergoes plastic deformation, and the base pipe does not occur or slightly Plastic de...
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IPC IPC(8): F16L9/02
CPCF16L9/02
Inventor 贺忠臣陈祥徐浩吕永超孟宪虎
Owner 江苏众信绿色管业科技有限公司