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Corrosion test device and corrosion detection method

A corrosion test and corrosion detection technology, applied in measuring devices, weather resistance/light resistance/corrosion resistance, weighing by removing certain components, etc., can solve the problem of water wall thinning, loose structure, affecting boiler safety, etc. problem, to achieve the effect of improving accuracy and convenient access

Pending Publication Date: 2021-09-28
国能(福州)热电有限公司 +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Corrosion products are generally loose in structure and easy to fall off, which cannot protect the water wall pipes
Corrosion reaction leads to thinning of water-cooled wall or even tube burst, which affects the safety of boiler operation

Method used

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  • Corrosion test device and corrosion detection method
  • Corrosion test device and corrosion detection method
  • Corrosion test device and corrosion detection method

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Embodiment Construction

[0032] 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.

[0033] In this document, relational terms such as first and second etc. are used only to distinguish one entity or operation from another without necessarily requiring or implying any such relationship between these entities or operations. Actual relationship or sequence.

[0034] Aiming at the corrosion problem of boiler water wall, it is of great significance t...

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Abstract

The invention discloses a corrosion test device and a corrosion detection method. The corrosion test device is used for detecting the corrosion degree of a water cooling wall of a boiler, the corrosion test device comprises: a base comprising a first end part and a second end part which are oppositely arranged, wherein the first end part can be connected with the water cooling wall, and the second end part is provided with a mounting structure; a test block made of the same material with the water cooling wall, wherein the test block is connected with the base through the mounting structure, the test block comprises a first surface, and the first surface and at least part of the outer surface of the water cooling wall are complementary in shape, so that the test block can be attached to the water cooling wall through the first surface. According to the corrosion test device disclosed by the embodiment of the invention, the corrosion rate of the boiler water-cooled wall in a real service environment can be conveniently obtained, and the accuracy of detecting the corrosion degree of the water-cooled wall is improved.

Description

technical field [0001] The invention relates to the field of boiler maintenance, in particular to a corrosion test device and a corrosion detection method. Background technique [0002] The water-cooled wall is the main heating part of the boiler, which includes multiple pipe fittings, distributed around the boiler furnace. During the maintenance inspection of the boiler, it was found that the water wall of the boiler was easily corroded. Especially due to the corrosion of the fly ash and flue gas in the furnace to the water wall is especially common. When there are scaling substances on the surface of the water cooling wall, and the service environment contains a large amount of corrosive gas and a certain amount of water vapor, corrosion reaction will occur on the surface of the water cooling wall, forming complex types of corrosion in various forms product. Corrosion products are generally loose in structure and easy to fall off, which cannot protect the water wall pip...

Claims

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Application Information

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IPC IPC(8): G01N17/00G01N5/04
CPCG01N17/006G01N5/04Y02E30/30
Inventor 严晓勇陈国宝张春辉陈干勇何陆灿陈国庆黄细聪蒋锋蒋义斌余文贤
Owner 国能(福州)热电有限公司