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Loading device for high temperature steam oxidation test

A technology of oxidation test and high temperature steam, which is used in the reduction of greenhouse gases, nuclear reactor monitoring, reactors, etc., can solve problems such as the test can not continue, test failure, connecting rod falling off, etc., to broaden the test range and ensure the test accuracy. Effect

Inactive Publication Date: 2019-06-18
GUANGDONG NUCLEAR POWER JOINT VENTURE +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During the test, the inner and outer surfaces of the short ring sample can be completely in contact with the high-temperature steam, but under certain high-temperature steam conditions, the ring sample is severely oxidized and fragmented, and will fall off the connecting rod, so the test cannot continue, causing the test to fail

Method used

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  • Loading device for high temperature steam oxidation test

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Embodiment Construction

[0022] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific implementation manners of the present invention will now be described in detail with reference to the accompanying drawings.

[0023] Such as figure 1 As shown, a sample loading device for a high temperature steam oxidation test according to an embodiment of the present invention is used for sample loading of circular samples such as fuel cladding tubes during a high temperature steam oxidation test. The sample loading device may include a tray 10 .

[0024] A central portion of the tray 10 is provided with a first through hole 21 penetrating through two opposite surfaces thereof. The outer periphery of the tray 10 is provided with a raised first annular step 31, and the outer periphery of the first through hole 21 is provided with a raised second annular step 32. on the same surface. An annular positioning groove 33 is defined between the f...

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Abstract

The invention discloses a loading device for a high temperature steam oxidation test. The loading device comprises a tray. The middle of the tray is provided with a first through hole, which penetrates two opposite surfaces of the tray. The periphery of the tray is provided with a protruded first annular step. The periphery of the first through hole is provided with a protruded second annular step. Between the first annular step and the second annular step, an annular positioning groove for accommodating an annular sample is formed. The positioning groove is provided with at least one second through hole. The positioning groove in the tray is used to accommodate an annular sample; the second through hole in the positioning groove is used for passing-through of water steam; in the test, theinner surface and the outer surface of the annular sample are both soaked in same high temperature steam, the accuracy of the test is guaranteed, moreover, the breaking of the annular sample during the oxidation process is avoided, and the failure of the test is prevented.

Description

technical field [0001] The invention relates to a sample loading device, in particular to a sample loading device for a high temperature steam oxidation test. Background technique [0002] LOCA (Loss Of Coolant Accident) refers to an accident caused by the loss of coolant in the primary circuit of a nuclear reactor. Once a large break loss of water accident (LBLOCA) occurs in the reactor, it will cause pressure loss in the primary circuit, a large amount of coolant in the primary circuit will be lost, the core will be exposed, resulting in deterioration of heat transfer, and the fuel rod cladding will undergo violent chemical reactions with the high-temperature steam. The cladding of the fuel rods is damaged, the radioactive products in the core enter the primary circuit, and a large amount of radioactive substances may be released, causing great harm to humans and the environment. Therefore, it is necessary to test and evaluate the oxidation resistance and chemical behavio...

Claims

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Application Information

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IPC IPC(8): G21C17/10
CPCY02E30/30
Inventor 王占伟严俊黄恒刘彤刘洋许多挺廖业宏
Owner GUANGDONG NUCLEAR POWER JOINT VENTURE
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