Movable integrated organic waste-gas processing apparatus

Abstract

The invention provides a movable integrated organic waste-gas processing apparatus, and belongs to the field of organic waste-gas processing. The apparatus comprises an adsorption unit, a catalytic reaction unit and a PLC control system which are integratedly disposed on a movable walking support, and the adsorption unit has a continuous-rotation rotating-wheel-type structure, wherein an organic waste-gas is passed through a rotating-wheel absorption bed, adsorbed by active carbon or molecular sieve and discharged up to standard by a high-altitude discharge pipeline. Electric heating is used to heat fresh wind and form desorption wind, the rotating-wheel adsorption bed is subjected adsorption and regeneration, the adsorbed organic waste-gas is subjected to heating and heat exchanging and enters into a catalytic combustion bed for a reaction, and carbon dioxide and water are generated. The generated medium-temperature flue gas is utilized to preheat a heat exchanger for desorbing the organic waste gas, so that operation energy consumption is saved. The movable integrated organic waste-gas processing apparatus is applicable to emergency processing for environmental pollution accidents or processing of pollution source restricted by space; and the apparatus has the advantages of being movable, small in volume, without civil-engineering foundation installation, convenient to move and high in processing efficiency.

Description

technical field [0001] The invention relates to an organic waste gas treatment device, which belongs to the field of organic waste gas treatment, in particular to a movable integrated waste gas treatment device. Background technique [0002] In recent years, with the rapid development of industry, organic waste gas pollution caused by environmental accidents has occurred frequently. The existing treatment methods mainly include physical adsorption, burial, combustion, and ventilation. At present, the technologies commonly used in the treatment of industrial organic waste gas mainly include adsorption transfer method, catalytic oxidation method, adsorption concentration-catalytic oxidation method, and there are many deficiencies in the treatment of environmental emergencies. [0003] The adsorption transfer method is to use activated carbon, clay and other adsorbents with adsorption capacity to adsorb organic waste gas\solvent, and transfer the organic solvent from the ground...

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Problems solved by technology

At present, the technologies commonly used in industrial organic waste gas treatment mainly include adsorption transfer method, catalytic oxidation method, adsorption concentration-catalytic oxidation method, and there are many deficiencies in the treatment of environmental emergencies.

[0003] The adsorption transfer method is to use activated carbon, clay and other adsorbents with adsorption capacity to adsorb organic waste gas\solvent, and transfer the organic solvent from the ground or from the waste gas to the adsorbent. This treatment method is simple and easy, but the adsorbent It cannot be regenerated and reused, and must be replaced after reaching adsorption saturation, which not only produces industrial solid waste and increases operating costs, but also contains a large amount of organic matter in waste activated carbon, which may cause safety hazards such as combustion and pollutant release under certain conditions ; The catalytic combustion method is to burn the organic waste gas below the ignition temperature under the action of an oxidation catalyst to generate CO 2 and H 2 O, the temperature range is 200-500°C, but the catalytic combustion method requires additional fuel demand for the treatment of large air volume and low-concentration organic waste gas formed in the accident, which increases the treatment cost and has low treatment efficiency

[0004] Integrated adsorption concentration-catalytic oxidation method, that is, the combination of activated carbon adsorption bed and catalytic oxidation bed. The catalytic bed is subjected to catalytic oxidation treatment; through this process, the adsorbent can not only be automatically regenerated, which saves operating costs, but also the organic pollutants are oxidized into CO in situ after adsorption. 2 and H 2 O, there is no secondary transfer and generation of pollutants; however, the integrated activated carbon adsorption concentration-catalytic oxidation method has a large device and is usually fixed on a civil foundation or a steel structure platform, which limits its application in emergency treatment requirements.

[0005] CN102941000A discloses a multifunctional integrated treatment device for organic waste gas. This patent can continuously treat organic waste gas by combining the two technologies of adsorption treatment method and catalytic combustion method. However, the above-mentioned patent device is cumbersome and bulky. Waste gas treatment that is not conducive to emergency treatment of environmental accidents

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