Method and device for absorbing and whirling waste gas

A flow treatment and waste gas technology, applied in the field of waste gas treatment, can solve problems such as detergent loss, impact on surrounding ecosystems, entrainment of hydrophilic gas, etc.

Inactive Publication Date: 2010-12-15
EAST CHINA UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] The problem of industrial waste gas purification and treatment has always been a major problem restricting the development of my country's industry. If the emission of harmful gases in the waste gas cannot be effectively controlled, it will not only affect the surrounding ecological system, but also cause potential harm to the atmosphere.
However, so far, there is no proposal in the prior art that can effectively solve the problem of entraining hydrophilic gas in the exhaust gas and the problem of absorbing detergent loss during the washing process.

Method used

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  • Method and device for absorbing and whirling waste gas
  • Method and device for absorbing and whirling waste gas
  • Method and device for absorbing and whirling waste gas

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Embodiment

[0044] The present invention is further described below in conjunction with specific examples. However, it should be understood that these examples are only used to illustrate the present invention and not to limit the scope of the present invention. The test methods for which specific conditions are not indicated in the following examples are generally in accordance with conventional conditions, or in accordance with the conditions suggested by the manufacturer. All percentages and parts are by weight unless otherwise indicated.

[0045] Sinopec Baling Branch Chemical Fertilizer Division Urea Plant Exhaust Dust Pollution Prevention and Control Project:

[0046] In order to reduce the ammonia content in the tail gas, the device of the present invention is adopted.

[0047] The following table shows the composition of the exhaust gas:

[0048]

[0049] Specific process such as figure 1 shown.

[0050] The impinging foam stream scrubber consists of a scrubber pipe, noz...

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Abstract

The invention relates to a method and a device for absorbing and whirling waste gas, providing a method for absorbing and whirling the waste gas. The method comprises the steps of: subjecting hydrophilic gas-containing waste gas and absorptive detergent to countercurrent contact for turbulent mixing of gas and liquid phases; subjecting mixed gas to fair current washing for removing hydrophilic gas; and subjecting waste gas including the absorptive detergent to whirling separation for removing the absorptive detergent included in the waste gas. The invention also provides the device for absorbing and whirling the waste gas.

Description

technical field [0001] The invention belongs to the field of waste gas treatment, and relates to a waste gas absorption cyclone treatment method. Specifically, the invention relates to a method for removing hydrophilic gas from waste gas by impacting foam flow washing, and a device for implementing the method. Background technique [0002] The problem of industrial waste gas purification has always been a major problem restricting the development of my country's industry. If the emission of harmful gases in waste gas cannot be effectively controlled, it will not only affect the surrounding ecosystem, but also cause potential harm to the atmosphere. Therefore, it is imperative to supplement the existing technological process with high-efficiency prevention and control equipment to improve the quality of exhaust gas. [0003] Industrial waste gas often contains a large amount of hydrophilic gas. However, so far, there is no proposal in the prior art that can effectively solve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/14B01D53/18
Inventor 沈其松汪华林刘毅王剑刚张艳红马良吕文杰李志明
Owner EAST CHINA UNIV OF SCI & TECH
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