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VOCs treatment device and adopted centralized and distributed treatment method thereof

A treatment device and pretreatment technology, which is applied in the direction of combustion method, gas treatment, separation method, etc., can solve the problems of waste of resources, hazardous waste treatment, high investment, etc., and achieve the effect of reducing equipment cost, low investment, and convenient removal and installation

Pending Publication Date: 2019-08-27
四川恒泰环境技术有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to use activated carbon to adsorb VOCs gas for many and small VOCs pollution sources, and the generated adsorption saturated activated carbon will be directly discarded, which will cause waste of resources and hazardous waste treatment. To solve the problem of high investment in setting up a combustion regeneration device with saturated activated carbon, we provide a VOCs treatment device and its distributed treatment method

Method used

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  • VOCs treatment device and adopted centralized and distributed treatment method thereof
  • VOCs treatment device and adopted centralized and distributed treatment method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0044] A certain company has 11 sources of VOCs, which are separated by a certain distance. Among them, the waste gas volume is 20000m 3 / h has 3 places, 15000m 3 / h has 6 locations, 10000m 3 There are 2 locations for / h, and the pollution source is generated within 8 hours of the working day. 11 sets of on-site activated carbon adsorption units and 1 set of adsorbent regeneration units have been established.

[0045] Among them, the adsorption unit includes exhaust gas collection components for VOCs gas collection, pretreatment components, adsorption towers, placement drawers, adsorbents, and exhaust emission equipment. In this embodiment, the exhaust gas collection assembly includes a gas collecting hood, which is connected to the pretreatment component through a pipe, and the pretreatment component is connected to the adsorption tower through the pipe. The adsorbent is arranged in the placing drawer and the adsorbent and the placing drawer constitute the adsorbing component , ...

Embodiment 2

[0053] There are 26 VOCs pollution sources in an industrial park, and the amount of pollution source waste gas ranges from 5000 to 30000m 3 / h, 26 sets of on-site activated carbon adsorption units and 1 set of adsorbent regeneration unit are established on site.

[0054] Among them, the adsorption unit includes exhaust gas collection components for VOCs gas collection, pretreatment components, adsorption towers, placement drawers, adsorbents, and exhaust emission equipment. In this embodiment, the adsorbent is activated carbon, the adsorption tower adopts a fixed bed structure, and the pretreatment component is one or more of a filter device, a de-oil mist device, and a flue gas cooling device.

[0055] The fan provides power for the VOCs gas, so that the VOCs gas is collected through the gas collecting hood and enters the pretreatment component, and then the pretreatment component removes the dust or mist in the VOCs gas collected by the exhaust gas collection component. The gas t...

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Abstract

The invention discloses a VOCs treatment device and an adopted centralized and distributed treatment method thereof. The VOCs treatment device aims at solving the problem that resource waste and hazardous waste treatment can be caused because saturated-adsorbed active carbon is directly discarded in using the active carbon to adsorb VOCs gas of more and small VOCs pollution sources. According to the VOCs treatment device, by using the centralized and distributed treatment method, an active carbon adsorption device is established in the VOCs pollution source in place as a base (distributed treatment); through a regenerative apparatus (centralized regeneration), the regeneration of the saturated-adsorbed active carbon is realized; therefore, the investment of an enterprise to a combustion regeneration device is effectively saved, and the problem that the saturated active carbon is directly discarded is also solved. The VOCs treatment device disclosed by the invention has the advantages that small-gas quantity and low-concentration VOCs gas treatment demands of the enterprise can be satisfied; higher application value and better application prospect are realized; the concept is ingenious; the design is reasonable; the operation is convenient; and important progressive significance in treatment of volatile organic compounds and environment improvement is realized.

Description

Technical field [0001] The invention relates to the field of volatile organic compound processing, in particular to a VOCs processing device and a distributed processing method adopted by the device. Background technique [0002] Volatile organic compounds (VOCs) are fine particulate matter (PM2.5) and ozone (O 3 ) Key precursors. Therefore, the control of VOCs emissions is of great significance to the improvement of haze and ozone pollution, and it is imperative. [0003] Among the end treatment methods for controlling VOCs, adsorption method and combustion technology are most widely used because of their good treatment effect. If the adsorbent is used once and then discarded, it is a great waste of resources. Therefore, the combined process of adsorption + combustion has been more applied. For enterprises with large gas volume and low VOCs concentration, the treatment process of zeolite runner concentration + catalytic combustion is usually selected. However, in some enterpris...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/04B01D46/00F23G7/06F23G7/07
CPCB01D53/04B01D46/00F23G7/06F23G7/07B01D2257/708B01D2253/102B01D2259/4009F23G2209/14
Inventor 黄文凤雷成章慧张亚明崔慧
Owner 四川恒泰环境技术有限责任公司
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