Nuclear power plant high temperature radiation gas-solid separation filter device

Abstract

The invention discloses a high-temperature radiation gas-solid separation filter device for a nuclear power plant, which comprises a main body, a filter tip and an end cover. The inside of the main body is provided with a baffle abutting against the inner wall of the main body, a mounting plate abutting against the inner wall of the main body and spaced from the baffle, and a filter element connected to the baffle and the mounting plate at both ends, and the baffle has multiple perforations. The filter tip is sleeved at one end of the main body at intervals and forms a gap with the main body. One end of the filter tip is sealed and connected to the main body, and the filter tip is provided with a feed pipe communicating with the inside of the filter tip and the gap. The end cover is arranged on the main body away from One end of the filter tip is also provided with a discharge pipe passing through the end cap. The high-temperature radiation gas-solid separation and filtering device for nuclear power plants provided by the invention can meet the requirements of normal operation under high-temperature conditions, and is equipped with a baffle plate and a filter element inside, and has good filtering performance.

Description

technical field [0001] The invention belongs to the technical field of nuclear power, and more specifically, the invention relates to a high-temperature radiation gas-solid separation filter device of a nuclear power plant. Background technique [0002] When nuclear power plants and other nuclear technology application units process radioactive solid waste, they need to use high-temperature steam reforming process to treat radioactive organic solid waste at a higher temperature and generate mineralized particles and gas phase products with higher temperature. For gas-solid separation, to separate mineralized particles containing radionuclides for proper packaging, a high-temperature filter is required. In an accident state, a large amount of high-temperature radioactive waste gas and waste solids are generated in the device or plant, and radioactive gas-solid phase separation is also required. [0003] At present, relevant nuclear power plants do not have filtration devices...

AI Technical Summary

Problems solved by technology

[0004] At present, high-efficiency filter elements of organic materials or simple filter screens are mostly used for gas-solid phase separation, but there are the following problems: 1) The high-efficiency filter element can meet the requirements of filtration accuracy, but the filter element will be damaged if the temperature is too high and cannot work normally; 2) The filter screen can be made of non-metallic materials or metal materials, but non-metallic materials cannot withstand high temperatures, and metal materials cannot meet the requirements of filtration accuracy; 3) The filter device matched with the filter element cannot achieve high temperature performance in terms of structure and materials. The purpose of gas-solid phase separation; 4) Other industries have high-temperature filters for gas-solid phase separation, but the design of their supporting equipment and filters cannot meet the special needs of the nuclear industry to deal with radioactive materials

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