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Special test block for detecting bonding state of rubber-lined pipeline

A technology of bonding state and test block, which is used in measuring devices, material analysis using sonic/ultrasonic/infrasonic waves, instruments, etc. It can solve problems such as detection limitations and failure to prevent rubber-lined pipeline failures in advance, so as to make up for the vacancies. Effect

Pending Publication Date: 2021-10-08
XIAN THERMAL POWER RES INST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

According to the existing detection methods, the detection of rubber-lined pipes is mainly to carry out visual inspection and knock inspection of accessible parts after partial disassembly of the pipes. These detection methods cannot prevent the failure of rubber-lined pipes in advance, and the detection also has great limitations. sex

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  • Special test block for detecting bonding state of rubber-lined pipeline
  • Special test block for detecting bonding state of rubber-lined pipeline
  • Special test block for detecting bonding state of rubber-lined pipeline

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Embodiment Construction

[0024] In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than 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.

[0025] The principle of ultrasonic technology detection of rubber-lined pipeline bonding state is: when the sound wave is emitted from the direction of the steel plate to the steel-rubber joint surface, most of the energy will be reflected back to the steel plate, and a small part will enter the rubber layer, but due to the attenuation of the sound wave in the rubber Very seriously, the transmitted wave entering the rubber will be almost...

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Abstract

The invention discloses a special test block for detecting the bonding state of a rubber-lined pipeline and belongs to the field of nondestructive testing. The special test block comprises a test block body, the top surface of the test block body is step-shaped, and rubber is adhered to the bottom surface of the test block body. The special test block disclosed by the invention belongs to necessary equipment for a rubber-lined pipeline bonding state detection technology, is used for debugging instruments and equipment and calibrating detection sensitivity. A series of test blocks with different specifications and sizes, such as RLP-A, RLP-B and RLP-C, can be designed according to different specifications of detected objects.

Description

technical field [0001] The invention belongs to the technical field of non-destructive testing, and in particular relates to a special test block for detecting the bonding state of rubber-lined pipelines. Background technique [0002] Some pipelines in power plants and chemical plants are made of carbon steel, which has weak corrosion resistance. In order to prevent the medium in the pipeline from corroding metal pipelines, rubber lining is generally used as anti-corrosion material. Once the rubber lining is damaged, the internal medium will quickly corrode the metal and die. cause the pipe to leak. According to the existing detection methods, the detection of rubber-lined pipes is mainly to carry out visual inspection and knock inspection of accessible parts after partial disassembly of the pipes. These detection methods cannot prevent the failure of rubber-lined pipes in advance, and the detection also has great limitations. sex. Contents of the invention [0003] The ...

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Application Information

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IPC IPC(8): G01N29/30
CPCG01N29/30
Inventor 贺锡鹏张喜王飞李旭马博伦王兆亮
Owner XIAN THERMAL POWER RES INST CO LTD