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Welded pipe air tightness detection system and detection process thereof

A technology for air tightness testing and welded pipes, which is applied in the direction of fluid tightness testing, liquid tightness measurement using liquid/vacuum degree, and measuring devices. The effect of saving time, speeding up speed and improving detection efficiency

Pending Publication Date: 2021-06-08
查晶晶
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The embodiment of the present invention provides a welded pipe airtightness detection system and its detection process to solve the technical problem that the existing equipment is not intuitive and accurate enough for the welded pipe airtightness detection

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  • Welded pipe air tightness detection system and detection process thereof
  • Welded pipe air tightness detection system and detection process thereof
  • Welded pipe air tightness detection system and detection process thereof

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Embodiment Construction

[0036] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with specific embodiments of the present invention and corresponding drawings. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0037] The technical solutions provided by various embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0038] An embodiment of the present invention provides a welded pipe air tightness detection system, including a feeding device 1, a detection water tank 2, a clamping assembly 4, a water tank tu...

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Abstract

The invention discloses a welded pipe air tightness detection system and a detection process thereof, and belongs to the technical field of welded pipe detection. The welded pipe air tightness detection system comprises a feeding device, a detection water tank, a clamping assembly, a water tank turnover device, a water pressure supercharging device and a discharging table. The feeding device is arranged on the ground, and the water tank turnover device is installed at one side of the feeding device; the detection water tank is mounted at the top of the water tank turnover device, the clamping assembly is mounted in the detection water tank, the water pressure supercharging device is mounted at one side of the feeding device, and the discharging table is arranged at the side, away from the feeding device, of the detection water tank. According to the method, the two ends of a welded pipe are blocked, the welded pipe is placed in the detection water tank filled with water, the detection time is set to be five minutes, the water pressure in the detection water tank is increased, the welded pipe is taken out after five minutes, the water in the detection water tank is pumped out, and the water inflow amount entering the welded pipe is calculated by comparing the reduction amount of the water amount, so that whether the air tightness of the welded pipe is qualified or not is judged through the method.

Description

technical field [0001] The invention relates to the technical field of welded pipe detection, in particular to a welded pipe airtightness detection system and a detection process based on the system. Background technique [0002] Welded steel pipe, also known as welded pipe, is a steel pipe made of steel plate or strip steel after crimping and welding, generally with a length of 6 meters. The production process of welded steel pipe is simple, the production efficiency is high, there are many varieties and specifications, and the investment in equipment is small, but the general strength is lower than that of seamless steel pipe. The air tightness detection of welded pipes is particularly important. In the prior art, gas is usually used to detect the airtightness of welded pipes. Tiny gases are not easy to observe and count, resulting in inaccurate detection results and unintuitive detection process. Contents of the invention [0003] Embodiments of the present invention p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M3/28
CPCG01M3/2807
Inventor 查晶晶
Owner 查晶晶
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