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Explosion-proof pipe

A technology of pipes and corrugated pipes, applied in the field of pipes conveying water medium, can solve problems such as bursting and leaking, achieve the effects of eliminating gaps, increasing the strength of seals and connections, and avoiding pipe bursts and pull-off leakage

Pending Publication Date: 2019-05-17
程思哲
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Problems solved by technology

At the same time, pipes are also prone to bursting and leaking accidents when water hammer or thermal expansion and contraction occur.

Method used

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Embodiment Construction

[0010] Assume: The distance between the two threaded joints of the initial corrugated pipe section of type A is 0.5 meters, and the length when all the bending angles of the coils are fully straightened is 0.75 meters, that is, the maximum extension length is 0.25 meters.

[0011] Suppose: the length of the straight pipe section is 0.25, 0.50, 0.75, 1.00, 1.25, 1.50, 1.75, 2.00, 2.25, 2.50, 2.75 meters, a total of eleven kinds of length specifications.

[0012] By assembling A-type corrugated pipe sections with eleven types of straight pipes, the lengths of pipe sections that can be obtained are shown in Table 1.

[0013] Table 1. The length range of the adjustable connection between the A-type bellows section and 11 kinds of length specifications straight pipe assembly

[0014]

[0015] Therefore, the application of this pipeline not only has the explosion-proof function, but also can be adjusted to any length of pipe section by directly selecting or assembling the corruga...

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Abstract

The invention relates to an explosion-proof pipe which is composed of a thin-walled stainless steel pipe straight pipe section, a corrugated pipe section and a thick-walled internally-threaded pipe. The diameter of a straight pipe is expanded, the pipe axis of a corrugated pipe stretches out and draws back, the volume changes of the pipe sections are used for eliminating or reducing stress borne by the pipe, and blast leakage of the pipe is avoided. Meanwhile, by increasing the radius of curvature of the corrugated pipe section, the lengths of the pipe sections can be increased; and the corrugated pipe can be assembled with the straight pipes with various lengths, the pipe section with any length can be achieved through adjustment, the process of pipe section cutting during pipe installation can be omitted, and the installation efficiency is effectively improved.

Description

technical field [0001] The patent of the present invention relates to a pipeline for conveying medium, especially a pipeline for conveying water medium. Background technique [0002] Pipelines are the lifeline of urban safety. The tap water used by people is transported through pipes. In the severe winter, accidents of pipe bursts due to freezing of water in pipes often occur, seriously affecting the stability of social life. [0003] In order to prevent the pipe from bursting due to the ice expansion of the pipe, it is generally adopted to lay an insulation layer on the pipe, or in the severe cold period, to use methods such as releasing water to make the water flow to prevent the water stored in the pipe from freezing. Once the insulation layer is damaged, or encounters In colder weather, cold bursts of pipelines often occur. At the same time, pipes are also prone to bursting and leaking accidents when water hammer occurs or thermal expansion and contraction occur. There...

Claims

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Application Information

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IPC IPC(8): F16L51/02F16L57/02
Inventor 程思哲
Owner 程思哲
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