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Method for testing corrosion resistance of metal coating

A metal coating and testing method technology, which is applied in weather resistance/light resistance/corrosion resistance, measuring devices, instruments, etc., can solve the problems of limited reference value of test results, difficulty in completely reproducing complex corrosion environments, and inability to manufacture, etc. Achieve the effect of high reliability of test results, real test environment and low test cost

Pending Publication Date: 2021-01-12
CHINA ENFI ENGINEERING CORPORATION
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  • Description
  • Claims
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Problems solved by technology

Although the simulated corrosion test is easy to apply and low in cost, it is difficult to completely reproduce the complex corrosion environment in the waste incinerator, that is, it is impossible to create an environment where multiple corrosive media in the gaseous state and molten state act together under the wear of fly ash, so the obtained test results refer to limited value

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  • Method for testing corrosion resistance of metal coating
  • Method for testing corrosion resistance of metal coating

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Embodiment Construction

[0025] Embodiments of the invention will be described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0026] The anti-corrosion performance test method of metal coating according to the embodiment of the present invention comprises the following steps:

[0027] A) When the waste incineration waste heat boiler is shut down, install the test piece with metal coating on the pipe of the superheater of the waste incineration waste heat boiler;

[0028] B) Run the waste incineration waste heat boiler so that the flue gas produced by the waste incineration waste heat boiler can scour and corrode the test piece;

[0029] C) When the waste incineration waste heat boiler is shut down again, take out the test piece and analyze the anti-corrosion performance of the test...

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Abstract

The invention discloses a method for testing the corrosion resistance of a metal coating, which comprises the following steps of: A) when a waste incineration waste heat boiler is shut down, mountinga test piece provided with the metal coating on a pipeline of a superheater of the waste incineration waste heat boiler; B) operating the waste incineration waste heat boiler so as to scour and corrode the test piece by flue gas generated by the waste incineration waste heat boiler; and C) when the waste incineration waste heat boiler is shut down again, taking out the test piece, and carrying outanti-corrosion performance analysis on the test piece. The method for testing the corrosion resistance of the metal coating has the advantages of being real in test environment, low in test cost andhigh in test result reliability.

Description

technical field [0001] The invention relates to a material corrosion resistance test method, in particular to a metal coating corrosion resistance test method. Background technique [0002] Domestic waste incineration power generation systems generally use medium-temperature and medium-pressure steam parameters. With technological progress and changes in industry support policies, domestic waste incineration power generation business units are gradually trying to improve power generation and plant-wide economic benefits by improving steam parameters. [0003] The composition of domestic waste is complex, and the chlorine and alkali metal elements contained in it will enter the flue gas or form fly ash after burning, causing metal corrosion on the heating surface of the boiler. The corrosion rate is closely related to the temperature of the pipe wall. Heat pipe corrosion problem. [0004] At present, the most commonly used anti-corrosion measure for the boiler heating surfac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N17/00
CPCG01N17/00
Inventor 于超鲍化坤郝玉刚张计鹏毕建中
Owner CHINA ENFI ENGINEERING CORPORATION
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