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Method and equipment for treating waste gas of hot press

A waste gas treatment equipment, waste gas treatment technology, applied in separation methods, chemical instruments and methods, dispersed particle separation, etc., to achieve the effect of high waste gas treatment efficiency, stable system operation, and avoidance of secondary pollution

Active Publication Date: 2013-10-09
SUZHOU XIELI ENVIRONMENTAL PROTECTION EQUIP
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  • Abstract
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  • Claims
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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a method and equipment fully suitable for hot press waste gas treatment according to the composition and characteristics of the hot press waste gas, which can effectively clean the debris accumulated in the dust suction pipeline, and at the same time effectively remove Pollutants in Exhaust Gas

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  • Method and equipment for treating waste gas of hot press

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Embodiment Construction

[0038] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention. The straight lines shown in the drawings indicate the connecting pipelines, the arrows indicate the flow direction of the airflow or water flow in the connecting pipelines, and the dotted lines indicate the control lines.

[0039] A method for treating exhaust gas from a hot press, comprising the steps of: S1: spraying water into the dust suction pipeline to fully contact and mix the air and water; S2: entering the water mist carrying the exhaust gas into the water film dust collector to collect the sewage carrying impurities , the purified air is discharged. This method can ensure that the dust suction pipeline can be cleaned and is not easy to be blocked due to adhesion, ...

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Abstract

The invention relates to a method and equipment for treating waste gas of a hot press. The method comprises the following steps of: S1, injecting water into a dust absorption pipeline to ensure that gas and water are fully contacted and mixed; and S2, allowing water spray carrying waste gas to enter a water dust scrubber, collecting sewage carrying impurities, and discharging purified gas. A water injection device is arranged in the dust absorption pipeline; the dust is not stuck onto the dust absorption pipeline easily so the pipeline is prevented from being blocked and fire is avoided; the waste gas treatment efficiency is high; and the dust, and a large amount of high-temperature volatile matter of formaldehyde and transmission lubricant are collected, the collected waste gas and waterare treated further ad separated reasonably, water is recycled, and no sewage is discharged, so secondary pollution is avoided. Meanwhile, the invention also provides equipment for treating the wastegas of the hot press.

Description

technical field [0001] The invention relates to the technical field of waste gas treatment, in particular to a method and equipment for treating waste gas of a hot press. Background technique [0002] The continuous plate hot press is currently the most advanced MDF (HDF, PB) production equipment in the world. This equipment produces a lot of waste gas during production, so a dust collection system must be installed. During the use of the traditional dust collection system, the dust in the suction pipeline gradually accumulates, causing the suction pipeline to become narrow, which affects the ventilation rate. Because the exhaust gas contains lignofibrous dust accompanied by a small amount of formaldehyde, paraffin and high-temperature volatile oil gas, and the reduction of ventilation volume, the temperature of the gas entering the dust suction pipeline is further increased, so it is very easy to cause the dust suction pipeline to catch fire and the equipment to run Ineffi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D47/00B01D53/18B01D53/78B01D53/72
Inventor 周春芳徐敏杰
Owner SUZHOU XIELI ENVIRONMENTAL PROTECTION EQUIP
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