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Fumigation agent methyl bromide activated carbon fiber adsorption recovery device and method thereof

An activated carbon fiber, adsorption recovery technology, applied in separation methods, chemical instruments and methods, dispersed particle filtration, etc., can solve problems such as lack of equipment and process parameters, and achieve good economic and social benefits.

Active Publication Date: 2014-08-27
黄庆林 +1
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0007] However, the methyl bromide vacuum heating and recycling system is still a basic device for the adsorption and recovery of methyl bromide ACF, and the overall device composition and process flow of the methyl bromide ACF adsorption recovery test have not been fully disclosed. Lack of corresponding equipment and process parameter methods

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  • Fumigation agent methyl bromide activated carbon fiber adsorption recovery device and method thereof
  • Fumigation agent methyl bromide activated carbon fiber adsorption recovery device and method thereof

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Embodiment Construction

[0045] In order to understand the present invention more clearly, describe the present invention in detail in conjunction with accompanying drawing and embodiment:

[0046] Such as figure 1 Taking three ACF adsorption towers as an example in the shown embodiment, the methyl bromide ACF adsorption recovery equipment includes three ACF adsorption towers, and each ACF adsorption tower is provided with an adsorption column made of activated carbon fibers, consisting of three ACF adsorption towers Connected in parallel on the same loop pipeline, the two ends of the loop pipeline are the same as the fumigation warehouse, forming a methyl bromide ACF circulation system; the methyl bromide ACF circulation system is also connected to a circulation heating system and a vacuum desorption system;

[0047] The upper and lower bottoms of the three ACF adsorption towers V-1, V-2, and V-3 respectively have a pipe interface; they are respectively used as the exhaust pipe interface and the inta...

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Abstract

The invention relates to a fumigation agent methyl bromide activated carbon fiber adsorption recovery device. According to the fumigation agent methyl bromide activated carbon fiber adsorption recovery device, a plurality of ACF adsorption towers are connected to the same pipeline in parallel. The two ends of the pipeline are communicated with a fumigated base, so that a methyl bromide ACF circulation system is formed. The methyl bromide ACF circulation system is further communicated with a circulation heating system and a vacuum desorbing system. The method comprises the steps that a, methyl bromide gas in the fumigated base is introduced to the fumigation agent methyl bromide activated carbon fiber adsorption recovery device; b, a vacuum pump K1002 is started for vacuum desorbing; c, heat cycling is conduced; d, the ACF adsorption towers on which desorbing is conducted are prepared to conduct next adsorption; e, the desorbed methyl bromide gas is converted and sent to the base to be fumigated. Recycling and reusing of the fumigation agent methyl bromide are achieved after the fumigated base is fumigated, the fumigated base and a recycling and reusing device are organically combined, and recycling and reusing of the methyl bromide for fumigating of the fumigated base are achieved.

Description

technical field [0001] The invention relates to the technical field of methyl bromide quarantine fumigation treatment, in particular to a fumigant methyl bromide activated carbon fiber adsorption recovery equipment and its method, using activated carbon fiber (Activated Carbon Fiber, referred to as ACF) to recover and reuse methyl bromide, used for methyl bromide fumigation treatment, methyl bromide ACF adsorption Recycling and reuse provides a basis for realizing the recycling of methyl bromide. Background technique [0002] Methyl bromide is currently the most widely used fumigant in fumigation treatment in the world. Methyl bromide has the characteristics of widely killing insects, nematodes, germs and weeds, but because methyl bromide has a damaging effect on the ozone layer in the atmosphere, it was included in the controlled substances of the Amendment to the Montreal Protocol on Substances that Deplete the Ozone Layer in 1992 list. In order to reduce the damage to t...

Claims

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Application Information

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IPC IPC(8): B01D53/04B01D53/26B01D46/00
Inventor 黄庆林张瑞峰
Owner 黄庆林
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