Double-cooling radiation test system and method

A technology of a test system and a cooling system, which is applied in a double-cooling irradiation test system and field, can solve the problems of high cost, different calorific value, and low utilization rate of the irradiation circuit

Inactive Publication Date: 2018-12-21
NUCLEAR POWER INSTITUTE OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is necessary to try to establish a special cooling circuit to cool the target. Different targets have different calorific values, and they are divided into solid targets, liquid targets and gas targets, which need to be cooled by different cooling circuits. The

Method used

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Examples

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Example Embodiment

[0032] Example 1

[0033] The dual-cooling irradiation test system of Example 1, combined with the attached figure 1 And figure 2 The present invention will be explained.

[0034] The dual cooling irradiation test system is different from the general serial two-stage cooling irradiation test system, such as figure 1 Shown. The dual-cooling radiation test system is composed of a high-temperature and high-pressure main cooling system and a low-temperature and low-pressure water jacket cooling system. Both subsystems are finally cooled through the secondary cooling system. According to different irradiation test / production requirements, the main cooling system and water jacket cooling system of the dual-cooling irradiation test system can be operated separately to realize different thermal and hydraulic environments and cooling functions. At the same time, the main cooling part and the water jacket cooling part of the dual-cooling irradiation test system can run in parallel at the ...

Example Embodiment

[0038] Example 2

[0039] Based on the above dual-cooling radiation test system, the following operating conditions can be achieved:

[0040] Working condition 1: The main cooling system runs alone

[0041] The main cooling system provides the fuel element with a thermal-hydraulic and hydrochemical environment that simulates the PWR working conditions; it takes out the fuel element to release heat and transfers it to the secondary cooling water through the main regenerative heat exchanger, which can easily adjust the input and output radiation The temperature, pressure, flow and liquid level of the main coolant of the device. The main cooling circuit is connected with the inlet and outlet of the pressure pipe of the irradiation device to form a closed circuit with forced circulation of high temperature and high pressure. The main coolant is driven by one main pump and the other is in standby. After the main pump outlet check valve, it flows to the upper inlet of the pressure pipe c...

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Abstract

The invention discloses a double-cooling radiation test system and method. The double-cooling radiation test system is formed by a main cooling system, a water sleeve cooling system, a secondary cooling system, and matched purification and water supplementary systems. The main cooling system is a high-temperature high-pressure circuit and can be operated independently; the water sleeve cooling system belongs to a low-temperature low-pressure circuit and can be operated independently; the main cooling system and the water sleeve cooling system can be operated in parallel at the same time. The main cooling system and the water sleeve cooling system carry out independent cooling cycle flowing, heat generated in a pressure pipe is carried out by main cooling water, and heat generated outside the pressure pipe is discharged out by water sleeve cooling water. Otherwise, the main cooling system is static or microflows, and heat inside and outside the pressure pipe is carried away through thecircular flow of the water sleeve cooling system. The double-cooling radiation test system and the method provided by the invention are applied to a nuclear material and fuel element in-pile steady-state irradiation test, a power transient test, a fuel damage test, an in-pile water chemical corrosion test, isotopic irradiation production and the like.

Description

technical field [0001] The invention relates to the field of nuclear material and fuel reactor tests, in particular to a dual-cooling irradiation test system and method, which can perform irradiation tests and production of nuclear materials, fuels, isotope targets, etc. in a variety of working conditions in the reactor The method is used in various occasions such as steady-state irradiation tests of nuclear materials and fuels, power transient tests, damaged components tests, water chemical corrosion tests in reactors, and isotope production. Background technique [0002] Nuclear materials and fuel reactor tests are one of the important scientific research tasks of research reactors. For example, when developing new nuclear fuel elements, a large number of steady-state irradiation tests, power jump tests, and in-reactor corrosion tests must be carried out. It is a very critical technology to build various loops on research reactors at home and abroad to evaluate their radia...

Claims

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Application Information

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IPC IPC(8): G21C17/10G21C17/00
CPCG21C17/00G21C17/10Y02E30/30
Inventor 李炳林汪海孙胜曹娜戴钰冰张亮斯俊平吴红伟
Owner NUCLEAR POWER INSTITUTE OF CHINA
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