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Test device for lead-bismuth alloy melt erosion corrosion test

A technology of scouring corrosion and lead-bismuth alloy, applied in measuring devices, testing wear resistance, instruments, etc., can solve the problems of large corrosion, corrosion of circulating pump blades, maintenance, and high operating costs, and achieve the effect of high maintenance frequency

Active Publication Date: 2020-11-24
NUCLEAR POWER INSTITUTE OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the high-temperature lead-bismuth melt corrodes the test kettle and the circuit material greatly, problems such as serious corrosion of the blades of the circulating pump and deposition of corrosion products in the circuit may occur, resulting in low reliability of the test device during long-term operation and high maintenance and operation costs.

Method used

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  • Test device for lead-bismuth alloy melt erosion corrosion test

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Such as figure 1 As shown, a test device for erosion corrosion test of lead-bismuth alloy melt includes a test kettle 3 and a sample holder 5 arranged in the test kettle 3, and also includes a rotating shaft 8, and the sample holder 5 rotates The shaft 8 is rotatably installed in the test kettle 3 .

[0031] In the prior art, in order to realize the erosion corrosion research of materials in high-temperature lead-bismuth melt, it is necessary to use a corrosion test device, and the corrosion test device includes a lead-bismuth alloy melt circulation loop. Strong corrosiveness. In the prior art, the blades of the circulating pump that can meet the needs of melt circulation are very susceptible to severe corrosion by the lead-bismuth alloy melt, and there are serious corrosion product deposits in the circuit, which causes the test equipment Overall reliability is lower, maintenance frequency is higher, and operating costs are higher.

[0032] In this solution, the sampl...

Embodiment 2

[0036] Such as figure 1 As shown, the present embodiment is further limited on the basis of embodiment 1:

[0037] As a more complete technical solution that can directly provide a heat source for obtaining or maintaining the lead-bismuth alloy melt state, it is set to: also include a heating furnace 1, the test kettle 3 is installed in the heating furnace 1, and the heating Furnace 1 is used to heat test kettle 3 .

[0038] As a technical proposal that the strength of the test kettle 3 itself is high and the surface layer is corrosion-resistant, it is set as follows: the test kettle 3 is a cylindrical structure made of stainless steel, and also includes an anti-corrosion lining 4 arranged inside the test kettle 3 .

[0039] As a kind of anti-corrosion lining 4 , a specific lead-bismuth alloy melt corrosion resistance is good, and an easy-to-obtain implementation method, the anti-corrosion lining 4 is a ceramic crucible.

[0040] When this experimental device is in use, the ...

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Abstract

The invention discloses a test device for lead-bismuth alloy melt erosion corrosion test, which comprises a test kettle, a sample holder arranged in the test kettle, and a rotating shaft, and the sample holder is rotatably arranged in the test kettle through the rotating shaft. By adopting the test device provided by the scheme, erosion corrosion test equipment can be simplified, the reliability of the erosion corrosion equipment is improved, and the maintenance and operation cost of the equipment is reduced.

Description

technical field [0001] The invention relates to the technical field of corrosion test of lead-bismuth fast reactor materials, in particular to a test device for erosion corrosion test of lead-bismuth alloy melt. Background technique [0002] The lead-bismuth fast reactor is the fourth generation reactor. Corrosion of materials in high-temperature lead-bismuth melts is a major challenge for lead-bismuth fast reactors. The erosion corrosion research of materials in high-temperature lead-bismuth melts is usually carried out in a corrosion test device with a loop. This type of test device mainly includes two parts: a test kettle and a lead-bismuth circulation loop. Due to the high-temperature lead-bismuth melt corroding the test kettle and circuit materials, problems such as severe corrosion of the blades of the circulating pump and deposition of corrosion products in the circuit may occur, resulting in low reliability and high maintenance and operation costs for the long-term...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/56G01N3/02
CPCG01N3/567G01N3/02G01N2203/0226G01N2203/0694G01N2203/0676G01N2203/067
Inventor 肖军王浩孙永铎邱绍宇刘超红卓洪
Owner NUCLEAR POWER INSTITUTE OF CHINA
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