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Thermal-hydraulic experimental system and method for studying deposition of fusion reactor corrosion products

A corrosion product and experimental system technology, applied in nuclear engineering, reactors, nuclear reactor monitoring, etc., can solve problems such as increasing coolant flow resistance and affecting heat transfer capacity of heat exchange equipment

Inactive Publication Date: 2017-01-11
NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Studies have shown that activated corrosion products are the main source of radioactivity in nuclear power plants. In addition, the accumulation of activated corrosion products will affect the heat transfer capacity of heat exchange equipment and increase the flow resistance of coolants.

Method used

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  • Thermal-hydraulic experimental system and method for studying deposition of fusion reactor corrosion products
  • Thermal-hydraulic experimental system and method for studying deposition of fusion reactor corrosion products
  • Thermal-hydraulic experimental system and method for studying deposition of fusion reactor corrosion products

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0056] combine figure 1 , to introduce the first embodiment of the present invention, to study the synergistic effect of pH and temperature on the deposition behavior of corrosion products.

[0057] (1) Appropriate experimental sections are respectively arranged at the four experimental sections. In this embodiment, two horizontal elbow experimental sections are arranged at the outlet end of the electric heater 4 and the rear end of the heat exchanger 3 of the plate heat exchanger, and the vertical U The shaped tube test section, the cladding / first wall test section or the limiter test section are arranged at the inlet end of the electric heater 4 and the front end of the plate heat exchanger 3, and each test section is connected at the measuring point;

[0058] (2) Open the flange cover on the water tank 1, gradually fill the water tank with pure water, close the pressure relief pipeline and drain pipeline 15, open the circulation pump 5 to make the pure water in the pipeline...

Embodiment 2

[0067] combine figure 1 , to introduce the second embodiment of the present invention, to study the effect of particle size on the deposition behavior of corrosion products.

[0068] (1) Appropriate experimental sections are respectively arranged at the four experimental sections. In this embodiment, two horizontal elbow experimental sections are arranged at the outlet end of the electric heater 4 and the rear end of the heat exchanger 3 of the plate heat exchanger, and the vertical U The shaped tube test section, the cladding / first wall test section or the limiter test section are arranged at the inlet end of the electric heater 4 and the front end of the plate heat exchanger 3, and each test section is connected at the measuring point;

[0069] (2) Open the flange cover on the water tank 1, gradually fill the water tank with pure water, close the pressure relief pipeline and drain pipeline 15, open the circulation pump 5 to make the pure water in the pipeline flow, and make ...

Embodiment 3

[0078] combine figure 1 , to introduce the third embodiment of the present invention, to study the influence of flow rate on the deposition behavior of corrosion products.

[0079] (1) Appropriate experimental sections are respectively arranged at the four experimental sections. In this embodiment, two horizontal elbow experimental sections are arranged at the outlet end of the electric heater 4 and the rear end of the heat exchanger 3 of the plate heat exchanger, and the vertical U The shaped tube test section, the cladding / first wall test section or the limiter test section are arranged at the inlet end of the electric heater 4 and the front end of the plate heat exchanger 3, and each test section is connected at the measuring point;

[0080] (2) Open the flange cover on the water tank 1, gradually fill the water tank with pure water, close the pressure relief pipeline and drain pipeline 15, open the circulation pump 5 to make the pure water in the pipeline flow, and make th...

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Abstract

The invention relates to a thermal hydraulic experimental system and method for study on corrosion product deposit of a fusion reactor, and belongs to the engineering thermal physics and energy using subject fields. The circuit mainly comprises a water tank, a stereoscopic sleeve type heat exchanger, a plate type heat exchanger, an electric heater and a control cabinet, a circulating pump, a vortex shedding flowmeter, an experimental sections and temperature measuring points thereof, a temperature detector, an online pH detector, a pressure gauge, a stop valve, a three-way valve, a safety valve, a bypass, a drainage pipeline, an air compressor and a compression pressure relief pipeline; at the same time, four experiments are designed to assist the implementation of the experiment. The experimental system can realize the study on influence of the synergetic effect of pH and temperature on the corrosion product deposit, study on influence of the pipeline shape on the corrosion product deposit and study on the influence of the flow rate on the corrosion product deposit.

Description

technical field [0001] The invention relates to a thermohydraulic experiment system and method for studying deposition of fusion reactor corrosion products, belonging to the field of engineering thermophysics and energy utilization. Background technique [0002] As a clean, efficient and economical energy, nuclear energy has significant advantages in solving the energy crisis and improving the environment. It has occupied an increasingly important position in the energy field of the world today. However, a key factor restricting the rapid development of nuclear power is Safety issues of nuclear power plants, among which radioactive issues are particularly prominent. [0003] Studies have shown that activated corrosion products are the main source of radioactivity in nuclear power plants. In addition, the accumulation of activated corrosion products will affect the heat transfer capacity of heat exchange equipment and increase the flow resistance of coolant. [0004] Compare...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G21C17/022G21C17/06
CPCG01N33/00
Inventor 马雁许鑫雷锦云许雁泽张书玉陈义学
Owner NORTH CHINA ELECTRIC POWER UNIV (BAODING)