Organic waste gas recovery processing device

A technology for recovery and treatment of organic waste gas, applied in gas treatment, dispersed particle filtration, membrane technology, etc., to achieve the effects of reducing operating costs, reducing the frequency of hot spots, and stabilizing chemical properties

Inactive Publication Date: 2018-05-04
中科天龙(厦门)环保股份有限公司
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

However, considering the selection of absorbent, treatment gas concentration, cost, treatment effect, etc., the above methods have certain limitations when used alone for the environmental protection of waste gas from the glue coating production line.

Method used

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  • Organic waste gas recovery processing device

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Embodiment Construction

[0022] The organic waste gas recovery and treatment device and its process flow of the present invention will be further described below in conjunction with the accompanying drawings.

[0023] According to the characteristics of the solvent used by the user, that is, the chemical property is stable and does not polymerize. The use of coal-based granular activated carbon is very suitable for the repeated adsorption and desorption of these solvent volatile gases. The desorption performance is very good, and the natural temperature resistance is as high as 450°C. It can not only effectively ensure the regeneration effect of the system, but also greatly reduce the frequency of hot spots. Optimum security for industrial applications. According to the adsorption characteristics of activated carbon, the operation process of micro positive pressure adsorption, negative pressure analysis (desorption) combined with cryogenic recovery is used to create favorable adsorption and desorption...

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Abstract

An organic waste gas recovery processing device comprises a filter, a cooler, a vacuum pump, an adsorption valve, a desorption valve, an adsorption/desorption tank, an exhaust fan and a PLC control system. A solvent exhaust gas is collected and sent into a wind collecting box of a recovery system, preprocessed by a filter and a cooler, sucked by a high-pressure centrifugal fan, and sent into the adsorption/desorption tank for adsorption, and after adsorption, a tail gas achieving emission requirements is exhausted into the atmosphere through a discharge outlet at the top of the adsorption/desorption tank by the exhaust fan; when the top of the adsorption/desorption tank is to be penetrated after a period of absorption, the system automatically starts the vacuum pump to perform suction anddesorption and enables activated carbon to be regenerated, and adsorption and desorption are automatically finished by the PLC control system which controls the adsorption valve and the desorption valve; then the high-concentration solvent exhaust gas is pumped out by the vacuum pump, passes through a three-stage condensing unit to be processed, and then is molten into a liquid to be recovered bya solvent storage tank. The device can improve the processing effect of the organic waste gas recovery processing device, and reduce the running cost.

Description

technical field [0001] The invention belongs to the field of waste gas treatment, and in particular relates to an organic waste gas recovery and treatment device. Background technique [0002] Benzene series will produce a large amount of evaporation loss in the glue coating production line, and the steam generated by evaporation will be directly discharged into the atmosphere, which will cause a lot of energy waste and also cause poisoning to the human body; on the other hand, the formation of flammable volatile gases will not only It has serious potential safety hazards, and can form photochemical smog under ultraviolet radiation, causing environmental pollution. [0003] According to the gluing production process, the harmful exhaust gas emitted is mainly concentrated in the gluing production line. The main component of the exhaust gas emission is toluene or xylene, of which toluene has a boiling point of 110.6°C, a melting point of -95°C, a density of 0.8667, and an expl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D46/00B01D53/00B01D53/02
CPCB01D46/00B01D53/002B01D53/02B01D2253/102B01D2257/7027B01D2257/708B01D2259/40028B01D2259/402
Inventor 傅汉文傅太平傅灿煌傅金栋
Owner 中科天龙(厦门)环保股份有限公司
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