Portable low-temperature internal expanding type blocking device for pipeline
A technology of internal expansion and occluder, which is applied in pipeline system, mechanical equipment, gas/liquid distribution and storage, etc. It can solve the problem that the rope binding cannot be tightly attached to the pipe wall, endangering the lives of workers, and cannot be recycled and recycled, etc. problems, to achieve the effect of improving the effect of plugging protection and maintenance, improving the competitiveness of enterprises, and the structure is simple and reasonable
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[0019] 1. Construction steps:
[0020] ①Statistics of the nominal diameter and wall thickness of the blocked pipeline;
[0021] ② Process a stainless steel circular plate body 1 of the same size according to the outer diameter of the pipeline, and open a circular hole with a diameter of 5 cm in the center of the stainless steel circular plate body 1 .
[0022] ③ Calculate the inner diameter of the pipeline according to the nominal diameter and wall thickness of the pipeline. The outer diameter of the circular cylinder 2 of the occluder is 4cm smaller than the inner diameter of the pipeline, and then process a piece of stainless steel plate with a length equal to the circumference of the port of the circular cylinder of the occluder and a width of 20cm. The square steel plate is fully welded along the width direction into a circular cylinder, and then one end of the circular cylinder is aligned with the inner side of the stainless steel circular plate 1 and fixed by symmetrical...
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