Waste gas purification system in rubber processing field

Abstract

The invention discloses a waste gas purification system in the rubber processing field. The waste gas purification system comprises a plurality of wind collecting covers, an assistant recovery tower, a desulfurization purification tower, a draught fan, an activated carbon filtration tower or ultraviolet catalytic oxidation waste gas purification apparatus, an oxyhydrogen flame combustor and a treating liquid circulating device, wherein the wind collecting covers are respectively arranged above each working station; the assistant recovery tower is communicated with the wind collecting covers through gas inlet pipes; the desulfurization purification tower is communicated with a gas outlet of the assistant recovery tower; the draught fan is communicated with a gas outlet of the desulfurization purification tower and is used for forcing air into the wind collecting covers and finally discharging to the outside; the activated carbon filtration tower or ultraviolet catalytic oxidation waste gas purification apparatus is connected in series between the desulfurization purification tower and the draught fan; the oxyhydrogen flame combustor is arranged at a wind outlet of the draught fan; and the treating liquid circulating device is used for supplying treating liquid to the desulfurization purification tower. According to the invention, the waste gas purification system in the rubber processing field cools and depressurizes high-temperature waste gas to gradually separate particles and liquid drops included in the waste gas from the waste gas and collect in the collecting covers; and the assistant recovery rate can be up to 70%.

Description

technical field [0001] The invention relates to the technical field of rubber processing, in particular to an exhaust gas purification system in the field of rubber processing. Background technique [0002] In the current mechanical production, such as the regeneration process of butyl rubber, a large amount of high-temperature toxic waste gas mixed with various impurities will be produced. Before the waste gas is discharged, it needs to be purified. The existing purification equipment is generally through a desulfurization purification tower. Use treatment liquid or biological treatment liquid to decompose harmful substances, but a simple purification tower cannot eliminate all harmful components, and it is not conducive to the recovery and utilization of components in toxic gases. [0003] At the same time, the existing purification towers generally use swirl plates, but the traditional planar swirl plates are prone to blockage due to their large resistance. The moisture ...

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Problems solved by technology

[0002] In the current mechanical production, such as the regeneration process of butyl rubber, a large amount of high-temperature toxic waste gas mixed with various impurities will be produced. Before the waste gas is discharged, it needs to be purified. The existing purification equipment is generally through a desulfurization purification tower. Use treatment liquid or biological treatment liquid to decompose harmful substances, but a simple purification tower cannot eliminate all harmful components, and it is not conducive to the recovery and utilization of components in toxic gases

[0003] At the same time, the existing purification towers generally use swirl plates, but the traditional planar swirl plates are prone to blockage due to their large resistance. The moisture content of the flue gas after showering is high and the exhaust gas after treatment contains a lot of water mist and other problems

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