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Steel lined anti-corrosion pipeline

A steel lining and pipeline technology, applied in the direction of pipe components, pipes/pipe joints/fittings, coatings, etc., can solve the problems of internal joints that have not been completely solved and hinder the application of high-efficiency coatings, and achieve convenient interspersed connections, Avoid exposure to corrosion and facilitate fixation

Inactive Publication Date: 2018-05-25
泰州市瑞隆防腐设备厂
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the anti-corrosion construction of the inner wall of the pipeline has not been completely solved due to the anti-corrosion problem of the inner surface of the pipeline near the weld, that is, the problem of the inner joint, which seriously hinders the application of various high-efficiency coatings in the anti-corrosion of the pipeline.

Method used

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  • Steel lined anti-corrosion pipeline

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Effect test

Embodiment 1

[0017] Such as figure 1 As shown, a steel-lined anti-corrosion pipeline of the present invention comprises more than two inner pipelines 2 with an anti-corrosion layer 1 on the inner surface, a steel-lined outer tube 3 outside the inner pipeline 2, and an anti-corrosion layer outside the steel-lined outer tube 3 1. A connecting pipe 4 is connected between the inner pipes 2 at adjacent ends. The inner wall of the inner pipe 2 is provided with a limiting passage 5 for the connecting pipe 4 to pass through. The end of the restricting passage 5 is provided with a limiting step 6. The adjacent inner pipe 2 is provided with a fixed ring 7 covering the connecting pipe 4, and the fixed ring 7 is provided with a fastening bracket 8 that is fastened with each other.

[0018] According to the above technical solution, the technical effect achieved is: the inner pipe 2 is provided with a limiting channel 5 and a limiting step 6, which not only facilitates the interpenetrating connection o...

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Abstract

The invention relates to a steel lined anti-corrosion pipeline. The steel lined anti-corrosion pipeline includes more than two inner pipelines provided with anti-corrosion layers on the inner surfaces. The inner pipelines are externally provided with steel lined outer pipelines. The steel lined outer pipelines are externally provided with the anti-corrosion layers. A connecting pipe is connected between each two adjacent inner pipelines. The inner walls of the inner pipelines are provided with limiting channels for penetrating and inserting of the connecting pipes. The tail ends of the limiting channels are provided with limiting steps. A fixing ring covering the connecting pipe is arranged between each two adjacent inner pipelines. The fixing ring is provided with interlocking locking supporting frames. The steel lined anti-corrosion pipeline has the advantages that the inner pipelines are internally provided with the limiting channels and the limiting steps, the penetrating and inserting connecting of the connecting pipes are facilitated, a limiting effect is played to depth of the penetrating and inserting, and fixing is convenient; and fixing rings cover the exterior of the connecting pipes, bare corrosion of the connecting pipes is avoided, and the service life of the pipeline is prolonged.

Description

technical field [0001] The invention relates to the field of anti-corrosion pipelines, in particular to a steel-lined anti-corrosion pipeline. Background technique [0002] As people pay more and more attention to the internal and external corrosion of pipelines, various organic and inorganic high-efficiency anti-corrosion coatings are more and more widely used in pipeline anti-corrosion construction, various anti-corrosion technologies are also becoming more and more perfect, and significant anti-corrosion has been achieved. Effect, especially the external anti-corrosion construction of pipelines, such as coal tar pitch paint, epoxy paint, adhesive tape, yellow jacket, etc. However, the anti-corrosion construction of the inner wall of the pipeline has not been completely solved due to the anti-corrosion problem of the inner surface of the pipeline near the weld, that is, the problem of internal jointing, which seriously hinders the application of various high-efficiency coa...

Claims

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Application Information

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IPC IPC(8): F16L58/10F16L55/02
CPCF16L58/1009F16L55/02
Inventor 曹福泉
Owner 泰州市瑞隆防腐设备厂
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