Self-startup emergency power generation system under nuclear power plant accident condition
A technology for emergency power generation and nuclear power plants, applied in nuclear power generation, power plant safety devices, factory parameter adjustment, etc., can solve problems such as failure to start work normally, failure to provide effective guarantees for nuclear power plants, and failure to effectively ensure the safety of nuclear power plants. Great potential for market promotion and application, the effect of improving safety and ensuring safety
Inactive Publication Date: 2016-01-13
NUCLEAR POWER INSTITUTE OF CHINA
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Problems solved by technology
However, the diesel engine can only work normally in an environment with air. When a tsunami occurs, the diesel engine may be submerged in seawater as a whole, and cannot start and work normally. It cannot provide effective protection for nuclear power plants under accident conditions, and cannot effectively ensure the safety of nuclear power plants. sex
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[0014] The structural principle and content of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0015] Such as figure 1 As shown, the self-starting emergency power generation system under the accident conditions of a nuclear power plant is composed of a nuclear reactor system 1, a spent fuel pool 2, a heat exchanger 3, a turbine 4, a motor 5, a cooler 6, and a compressor 7. The nuclear reactor system 1 communicates with the spent fuel pool 2 through pipelines. The heat exchanger 3 is placed in the spent fuel pool 2 . The outlet of the heat exchanger 3 is connected with the inlet of the turbine 4, and the turbine 4 is connected with the motor 5 through a shaft. The outlet of the turbine 4 is connected with the inlet of the cooler 6 , the outlet of the cooler 6 is connected with the inlet of the compressor 7 , and the outlet of the compressor 7 is connected with the inlet of the heat exchanger 3 .
[0016] In thi...
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The invention belongs to the field of a nuclear power plant emergency guarantee technology, and specifically relates to a self-startup emergency power generation system under a nuclear power plant accident condition, for the purpose of developing a self-startup emergency power generation system in case of a nuclear power plant severe accident, which can be automatically started for supplying power to main equipment without reliance on air in case that the accident takes place in a nuclear power plant so as to improve the safety of the nuclear power plant. The system is characterized by consisting of a nuclear reactor system, a spent fuel pool, a heat exchanger, a turbine, a motor, a cooler and a compressor. The nuclear reactor system communicates with the spent fuel pool through a pipeline. The heat exchanger is arranged in the spent fuel pool. The outlet of the heat exchanger is connected with the inlet of the turbine. The turbine is connected with the motor through a shaft. The outlet of the turbine is connected with the inlet of the cooler. The outlet of the cooler is connected with the inlet of the compressor. The outlet of the compressor is connected with the inlet of the heat exchanger. The system provided by the invention is automatically started under the condition that the nuclear power plant is integrally immersed in sea water so as to guarantee the safety of the nuclear power plant.
Description
technical field [0001] The invention belongs to the technical field of nuclear power plant emergency support, and in particular relates to a self-starting emergency power generation system under nuclear power plant accident conditions. Background technique [0002] Safety is the cornerstone of nuclear power development. When a serious accident occurs in a nuclear power plant, it is an important measure to alleviate the consequences of the accident by using the emergency power supply to provide power for the waste heat cooling of the core and supplying power for important instruments and meters. At present, nuclear power plants generally configure multiple sets of diesel engines as emergency power sources under accident conditions. However, the diesel engine can only work normally in an environment with air. When a tsunami occurs, the diesel engine may be submerged in seawater as a whole, and cannot start and work normally. It cannot provide effective protection for nuclear ...
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IPC IPC(8): G21D3/18G21D3/06
CPCY02E30/00
Inventor 王俊峰黄彦平昝元峰郎雪梅
Owner NUCLEAR POWER INSTITUTE OF CHINA