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Device for recycling waste gas containing volatile organic compounds

A technology for the recovery of organic compounds and waste gas, applied in chemical instruments and methods, dispersed particle separation, separation methods, etc., can solve the problems of high VOC content, low VOC recovery rate, and poor re-adsorption effect of the adsorbent bed.

Active Publication Date: 2014-08-13
李玉彪
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

All of the above lead to poor re-adsorption effect of the adsorbent bed, low VOC recovery rate, and large VOC content in the secondary discharged gas.

Method used

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  • Device for recycling waste gas containing volatile organic compounds
  • Device for recycling waste gas containing volatile organic compounds
  • Device for recycling waste gas containing volatile organic compounds

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Embodiment Construction

[0031] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0032] Such as Figure 14 The shown embodiment 1, this embodiment includes an adsorber 4, a circulation fan 10, a recovery condenser 7, a water vapor source and a control system. A flat adsorbent bed 3 (or a ring-shaped adsorbent bed) is installed in the middle of the adsorber 4, with a waste gas inlet and a water vapor outlet at the lower end, and a waste gas outlet and a water vapor inlet at the upper end. The exhaust gas inlet is connected to the exhaust gas source through the intake valve A5, and the exhaust gas outlet is connected to the exhaust port through the exhaust valve A1. The water vapor source is connected to the water vapor inlet of the adsorber 4 through the inlet valve B2, the water vapor outlet of the adsorber 4 is connected to the inlet of the recovery condenser 7 through the outlet valve B6, and the liquid outlet of the rec...

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Abstract

The invention discloses a device for recycling waste gas containing volatile organic compounds. The device comprises one or more adsorbing devices, a circulating fan, a recycling condenser and / or a dehumidification condenser, a water vapor source and a control system, wherein a waste gas outlet is further connected with an air outlet of the recycling condenser or the dehumidification condenser through an air inlet valve C and the circulating fan; a water vapor outlet is connected with an air inlet of the dehumidification condenser through an air outlet valve C, and a liquid outlet of the dehumidification condenser is connected with a separation device. The device has the beneficial effects that by carrying out cooling and drying by virtue of an external-circulation cooling and drying manners, a phenomenon that secondary emission exceeds the standard is basically avoided in cooling and drying processes, the emission reaches the national emission standards, and secondary pollution is low or even avoided; the adsorption efficiency is high, and the recovery rate of volatile organic compounds (VOC) is high. The device can be applied to the production of novel equipment as well as the remolding of used equipment and is very convenient to use.

Description

technical field [0001] The invention belongs to the field of waste gas recovery and utilization, and relates to a waste gas recovery and utilization device containing volatile organic compounds (VOC). Background technique [0002] All industrial processes in which organic matter participates will inevitably emit waste gas containing organic matter. my country consumes at least 10 million tons of organic solvents every year in petrochemical, chemical, rubber, plastic, painting, coating, printing, pharmaceutical, pesticide, paint, paint and other industries, of which millions of tons of organic solvents are produced, In the links of storage, transportation, loading and unloading, use, etc., it becomes gas and is discharged into the atmosphere, which not only causes waste, but also pollutes the environment. In order to recycle these volatile organic compounds VOC, the waste gas containing VOC is generally adsorbed through the adsorbent bed with microporosity, and after the adso...

Claims

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Application Information

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IPC IPC(8): B01D53/04B01D53/26B01D53/00
Inventor 李玉彪
Owner 李玉彪
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