Radiation shielding device for reactor duct position
A technology of radiation shielding device and reactor, applied in the field of nuclear radiation shielding, can solve the problems of not setting radiation shielding device, which is not conducive to reducing the dose of personnel and equipment exposed to radiation, and the risk of radiation exposure to personnel and equipment, and achieves enhanced shielding effect. Effect
Pending Publication Date: 2022-03-11
CHINA NUCLEAR POWER TECH RES INST CO LTD +2
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Problems solved by technology
[0003] There is no radiation shielding device in the position of the existing nuclear reactor pipeline, there is a risk of personnel and equipment being exposed to radiation, which is not conducive to reducing the exposure dose of personnel and equipment
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[0022] In order to make the purpose, technical solution and beneficial technical effects of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific implementations described in this specification are only for explaining the present invention, not for limiting the present invention.
[0023] see Figure 1-4 , the radiation shielding device used in the tunnel position of the reactor according to the present invention includes a tunnel shielding module 10 and a side-sealing shielding module 20 . The tunnel shielding module 10 is fixed at the exit of the tunnel of the structure, and is used to block the radiation leaking from the tunnel of the structure; one end of the side-sealing edge shielding module 20 is connected to the tunnel shielding module 10, and the other end is fixed on the outer surface around the tunnel exit of the ...
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The invention discloses a radiation shielding device for a reactor duct position. The radiation shielding device comprises a duct shielding module and a side edge sealing shielding module, the pore channel shielding module is fixed at an outlet of a structure pore channel and used for blocking radiation leaked from the structure pore channel; one end of the side edge sealing shielding module is connected with the duct shielding module, and the other end of the side edge sealing shielding module is fixed to the outer vertical face around a building duct outlet and used for shielding leakage beams possibly existing at the joint of the duct shielding module and the building duct. Compared with the prior art, the radiation shielding device for the nuclear reactor duct position can enhance the shielding effect of the nuclear reactor duct position, and ensures that the external irradiation dose borne by personnel and equipment is lower than a design target value.
Description
technical field [0001] The invention belongs to the field of nuclear radiation shielding, and more specifically, the invention relates to a radiation shielding device used for reactor tunnel positions. Background technique [0002] During the operation of a nuclear power plant, neutrons and photons produced by source items such as the core will have adverse effects on surrounding equipment and staff. After a long period of accumulation, they will form irradiation hot spots, which are difficult to remove. From the perspective of near-source shielding, setting up a shielding structure near the stack or near the source can reduce the influence of the source item on the peripheral area during power operation, significantly reduce the dose rate, and further reduce the exposure dose of personnel and equipment. [0003] The existing nuclear reactor pipeline is not equipped with radiation shielding devices, which poses a risk of radiation exposure to personnel and equipment, which i...
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Login to View More IPC IPC(8): G21F3/00
CPCG21F3/00
Inventor 魏旭东陈帅周建明侯硕路广遥彭祥阳邓玺彭翠玲赵均
Owner CHINA NUCLEAR POWER TECH RES INST CO LTD