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Modular mobile type purification device for airborne radioactive matter

A purification device and mobile technology, applied in radioactive purification, nuclear engineering, etc., can solve the problems of inability to meet the needs of filtering different pollutants, inconvenient handling and placement, equipment surface pollution, etc., and achieve compact structure, good sealing, small size effect

Pending Publication Date: 2019-08-23
CHINA NUCLEAR POWER ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] 1) The volume is huge, the equipment is heavy, and it is very inconvenient to carry and place in the narrow space of nuclear facilities;
[0009] 2) The function is fixed, the suitable working scenarios are limited, and it cannot meet the needs of different users to filter different pollutants in complex environments;
[0010] 3) The equipment is located in a place with high concentration of radioactive aerosol, and the surface is easy to settle and accumulate radioactive substances, causing surface pollution of the equipment and secondary pollution

Method used

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  • Modular mobile type purification device for airborne radioactive matter
  • Modular mobile type purification device for airborne radioactive matter
  • Modular mobile type purification device for airborne radioactive matter

Examples

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Effect test

Embodiment 1

[0041] The technical solution adopted in this embodiment is applicable to the situation where there are large suspended matter such as smoke, dust, metal particles, radioactive aerosol and radioactive iodine in the air at the same time, and the three substances need to be filtered and purified at the same time.

[0042] as attached figure 1 As shown, in this embodiment, a modular mobile airborne radioactive purification device includes: a wind inlet module 1, a smoke filter module 2, an aerosol filter module 3, an iodine adsorption module 4 and a fan module 5, the The smoke filter module 2, the aerosol filter module 3, and the iodine adsorption module 4 are sequentially placed between the air inlet module 1 and the fan module 5, and each module is connected in series from top to bottom. After the polluted air enters through the top air inlet, it passes through different filter and adsorption modules and is blown out from the lower air outlet.

[0043] as attached Figure 1-6...

Embodiment 2

[0050] The technical solution adopted in this embodiment is applicable to the situation where there are no large suspended matter such as smoke, dust, metal particles, etc. in the air, but only radioactive aerosol and radioactive iodine. The main difference between this embodiment and the first embodiment is that only the air inlet module 1, the aerosol filter module 3, the iodine adsorption module 4 and the fan module 5 need to be installed to filter and purify radioactive aerosol and radioactive iodine. Any one of the aerosol filtration module 3 and the iodine adsorption module 4 can be provided with two or more modules as required to enhance the corresponding filtration and purification functions.

[0051] The air inlet module 1, the aerosol filter module 3, the iodine adsorption module 4 and the fan module 5 are installed in series from top to bottom in sequence, and the connection method is the same as that of the first embodiment. After the radioactive air enters from th...

Embodiment 3

[0053] The technical solution adopted in this embodiment is applicable to the situation where there is no large suspended matter such as smoke, dust, metal particles and no obvious radioactive iodine in the air, but only radioactive aerosols. The main difference between this embodiment and the first embodiment is that only the air inlet module 1, the aerosol filter module 3 and the fan module 5 need to be installed to filter and purify the radioactive aerosol. Two or more aerosol filtering modules 3 can be arranged according to needs, so as to enhance the filtering and purifying function of aerosol.

[0054] The air inlet module 1, the aerosol filter module 3 and the fan module 5 are installed in series from top to bottom in sequence, and the connection method is the same as that of the first embodiment. After the radioactive air enters through the air inlet module 1, it passes through the aerosol filter module 3 to filter out the radioactive aerosol in the air, and the filter...

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Abstract

The invention relates to a modular mobile type purification device for airborne radioactive matter. The device comprises an air inlet module, a fan module, and a filter part arranged between the air inlet module and the fan module; and the filter part comprises one or more selected from a smoke filter module, an aerosol filter module and an iodine adsorption module, the filter part is selectivelycombined with the air inlet module and the fan module according to the requirements in a use occasion, and the modules are tightly connected by connecting mechanisms and sealed by sealing members. According to the device provided by the invention, through the modular design, the modules can be separately transported, moved and further recombined; through a combination of the modules, the filteringrequirements in different environments can be realized; and through arrangement of an easily-torn film of an outer shell, the easily-torn film can be peeled off every time after the device is used, so that the problem of surface contamination of the device can be effectively solved.

Description

technical field [0001] The invention belongs to radioactive air purification technology, in particular to a modular mobile airborne radioactive purification device. Background technique [0002] There is airborne radioactivity in the air in the whole or partial area of ​​nuclear facilities such as nuclear power plants and nuclear chemical plants. If these airborne radioactivity stays in the plant, the staff will inhale radioactive substances when working in the plant and cause inhalation internal exposure. Inhalation internal exposure is one of the main sources of radiation exposure for workers in nuclear facilities. In order to ensure that the exposure dose of workers meets the requirements of regulations and standards and is as low as reasonably achievable, it is necessary to monitor the airborne radioactivity concentration in the plant. control. [0003] Under normal working conditions, for the above-mentioned sources of airborne radioactivity, targeted removal systems o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G21F9/02
CPCG21F9/02
Inventor 张丽莹米爱军张普忠尤伟宗子诏
Owner CHINA NUCLEAR POWER ENG CO LTD
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