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Loop system and method for discharging radioactive waste liquid of heavy water reactor

A technology for radioactive waste liquid and waste liquid discharge, which is applied in the fields of radioactive purification, climate sustainability, nuclear power generation, etc. Optimum effect of radiation protection

Pending Publication Date: 2020-11-13
CNNC NUCLEAR POWER OPERATION MANAGEMENT +1
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Problems solved by technology

[0003] The purpose of the present invention is to provide a heavy water reactor radioactive waste liquid discharge circuit system and method to solve the problem that the radioactive waste liquid cannot be discharged during the maintenance of the important seawater cooling system of the heavy water reactor unit

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  • Loop system and method for discharging radioactive waste liquid of heavy water reactor

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Embodiment Construction

[0023] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0024] Such as figure 1 Said, a heavy water reactor radioactive waste liquid discharge circuit system, the system includes a first waste liquid discharge circuit, a second waste liquid discharge circuit and a mutual backup discharge circuit, wherein, the first waste liquid discharge circuit and unit 1 of the heavy water reactor The auxiliary building is connected with the reactor building, and is used to discharge the radioactive liquid waste produced by Unit 1; the second waste liquid discharge circuit is connected with the auxiliary building of Unit 2 of the heavy water reactor and the reactor building, and is used to discharge the radioactive waste generated by Unit 2. The radioactive waste liquid is discharged; there is a mutual backup discharge circuit connected between the first waste liquid discharge circuit and the second wast...

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Abstract

The invention relates to the technical field of radioactive waste liquid discharge, and particularly discloses a loop system and method for discharging radioactive waste liquid of a heavy water reactor. The system comprises a first waste liquid discharge loop, a second waste liquid discharge loop and a mutual backup discharge loop, and the first waste liquid discharge loop is connected with an existing first nuclear power unit auxiliary workshop and a reactor workshop; the second waste liquid discharge loop is connected with a second nuclear power unit auxiliary workshop and the reactor workshop; and the first waste liquid discharge loop and the second waste liquid discharge loop are communicated through the mutual backup discharge loop. The system and the method can eliminate the waste liquid discharge control risk of an overhaul unit, and the radiation protection optimization ALARA is realized. Risks of water logging of a steam turbine plant and personnel in a temporary discharge scheme are eliminated, industrial potential safety hazards of personnel are eliminated, and meanwhile economic benefits are greatly improved.

Description

technical field [0001] The invention belongs to the technical field of radioactive waste liquid discharge, and in particular relates to a heavy water reactor radioactive waste liquid discharge loop system and method. Background technique [0002] The radioactive waste liquid management system is an important support system for the heavy water reactor unit. It receives and processes the radioactive waste liquid from the nuclear island powerhouse and auxiliary powerhouse. The waste liquid is discharged into the seawater through the important seawater cooling system (hereinafter referred to as the RSW system). During the overhaul of the unit, radioactive waste cannot be discharged directly due to the maintenance of the opening of the seawater culvert of the RSW system. In order to ensure the smooth progress of the maintenance work of the RSW system, nuclear island plant and auxiliary plant, and maintain the normal operation of the radioactive waste liquid management system, it ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G21D1/02G21F9/20
CPCG21D1/02G21F9/20Y02E30/00
Inventor 张宏伟吴志刚赵亮朱宏非吴奇太方司马
Owner CNNC NUCLEAR POWER OPERATION MANAGEMENT
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