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In-situ contrast experiment device and method for single-factor corrosion of gas in composite corrosion factors

A corrosion factor, control experiment technology, applied in the direction of measuring devices, weather resistance/light resistance/corrosion resistance, instruments, etc., can solve the problems of complex experimental process, large environmental pollution, danger, etc., to simplify the experimental steps and ensure the authenticity Strong and practical effect

Pending Publication Date: 2020-10-30
GUANGDONG INST OF MICROBIOLOGY GUANGDONG DETECTION CENT OF MICROBIOLOGY
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Problems solved by technology

The experimental process is complex and dangerous, causing great environmental pollution

Method used

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  • In-situ contrast experiment device and method for single-factor corrosion of gas in composite corrosion factors
  • In-situ contrast experiment device and method for single-factor corrosion of gas in composite corrosion factors
  • In-situ contrast experiment device and method for single-factor corrosion of gas in composite corrosion factors

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Embodiment Construction

[0030] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0031] like figure 1 As shown, the in-situ control experimental device for gas single-factor corrosion in a kind of composite corrosion factor of the present embodiment includes a main chamber 1 for composite corrosion and at least one sub-chamber 2 for gas single-factor corrosion. The top of the chamber 1 communicates with the top of the sub-chamber 2 through a trachea 3 .

[0032] In the study of microbial (SRB) corrosion of metals, such as figure 2 As shown, metal samples 4 are placed in the main chamber 1 and the sub-chamber 2, the main chamber 1 uses the culture medium inoculated with SRB as the corrosion medium 5, and the SRB corrosion of the metal occurs, and the sub-chamber 2 only Add the same corrosion medium 5 without...

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Abstract

The invention discloses an in-situ contrast experiment device for single-factor corrosion of gas in composite corrosion factors, which comprises a main chamber for composite corrosion and at least oneauxiliary chamber for single-factor corrosion of gas. The top of the main chamber is communicated with the top of the auxiliary chamber through a gas pipe. The invention further discloses an in-situcontrast experiment method for single-factor corrosion of gas in composite corrosion factors. Real-time in-situ research on the corrosion performance of each gas in a reaction system with corrosive gas on the material is realized at the same time, links of intermediate gas content measurement and the like are reduced, and the method has the characteristics of quickness and reliability.

Description

technical field [0001] The invention relates to an in-situ control experiment device and method for gas single-factor corrosion among multiple corrosion factors. Background technique [0002] The corrosion research of sulfate-reducing bacteria (SRB) on materials has become a research hotspot in recent years. SRB is an anaerobic microorganism widely present in the environment, and nearly half of the microbial corrosion is caused by it. Carrying out simulated corrosion experiments is a necessary means to explore its corrosion mechanism, characterize corrosion characteristics and predict corrosion life. During the experiment, the SRB bacteria and the H2S gas produced during its metabolism jointly formed a composite corrosion environment for the metal. With the change of the SRB growth cycle, the amount of H2S gas produced presents a dynamic change process. In this process, the influence of SRB activity and H2S concentration on the metal corrosion rate is unknown. In order to a...

Claims

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Application Information

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IPC IPC(8): G01N17/02
CPCG01N17/02
Inventor 齐红谢小保施庆珊
Owner GUANGDONG INST OF MICROBIOLOGY GUANGDONG DETECTION CENT OF MICROBIOLOGY
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