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A method for filtering radioactive waste incineration flue gas

A radioactive waste and incineration flue gas technology, which is applied in the field of radioactive waste incineration and incineration flue gas dust removal, can solve the problems such as difficulty in filter ash removal, achieve easy ash removal and filter bag replacement, low pollution degree, and good filtering effect Effect

Active Publication Date: 2021-08-13
MATERIAL INST OF CHINA ACADEMY OF ENG PHYSICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Based on the inventor's improvement of the structure, this application solves the problem of difficulty in filter ash removal, and has high application value

Method used

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  • A method for filtering radioactive waste incineration flue gas
  • A method for filtering radioactive waste incineration flue gas
  • A method for filtering radioactive waste incineration flue gas

Examples

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Embodiment 1

[0069] As shown in the figure, the bag filter of this embodiment includes a box body 1, a partition assembly, a filter unit, and an ash removal unit. Wherein, the partition assembly is arranged in the box body 1, and a dust filter chamber is formed between the partition board assembly and the inner wall of the box body 1, and there are two dust filter chambers and two filter units respectively. In this embodiment, the partition assembly is composed of an upper partition 12 and a lower partition 13 , the upper partition 12 is located above the flower board 11 , and the lower partition 13 is located below the flower board 11 .

[0070] The filter unit includes a flower plate 11, a cage 20, a filter bag 19, an ash hopper 16, an air inlet 17, an electric heating element 23, a wall vibrator 3, a heavy hammer type flap ash removal valve 4, a connecting hose 5, maintenance Door 22, air outlet hole 18, air outlet valve 2, spray pipe 21. In this embodiment, the connecting hose 5 is a ...

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Abstract

The invention discloses a method for filtering flue gas from radioactive waste incineration, aiming to solve the problem that bag filters currently used in the field of radioactive waste incineration in China need to be opened for ash removal and filter bag replacement. The bag filter used in this method comprises a box body, a partition assembly, a filter unit, and an ash removal unit; There are at least two filter units respectively. The inventor of the present application has carried out a new improvement on the structure of the filter, which can realize the simple and airtight process of filter ash removal and filter bag replacement, effectively solve the difficult problem of conventional bag filter ash removal and filter bag replacement that need to be opened, and alleviate When the bag filter is used in the field of radioactive waste incineration, the labor intensity and occupational damage of the operator should be guaranteed to ensure their occupational health. Based on the inventor's improvement, the present application solves the problem of difficulty in filter ash removal, and has high application value.

Description

technical field [0001] The invention relates to the field of incineration flue gas dust removal, especially the field of radioactive waste incineration, and specifically relates to a method for filtering radioactive waste incineration flue gas. This application provides a bag filter, which can realize functions such as automatic airtight ash removal, airtight replacement of filter bags, and free switching of filter chambers, reducing the risk of personnel exposure or inhalation of harmful dust during ash removal and filter bag replacement, and ensuring operation Occupational health of personnel has high application value and good application prospects. Background technique [0002] In the field of waste incineration, the incineration flue gas needs to be treated before it can be discharged. Among them, a key step in the treatment of incineration flue gas is to use a bag filter to initially filter the dust in the flue gas; during this process, the dust is intercepted by the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D46/02B01D46/04B01D46/48
CPCB01D46/023B01D46/04B01D46/48
Inventor 唐灿于东强潘社奇王峻陈晓谋周狂飙刘格宏刘艳
Owner MATERIAL INST OF CHINA ACADEMY OF ENG PHYSICS
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