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White smoke eliminating chimney

A chimney and white smoke technology, applied in the field of white smoke elimination chimney, can solve the problems of limited condensation and can not effectively solve the white smoke in the chimney, and achieve the effect of reducing the proportion of saturated water, eliminating white smoke and reducing pollution

Inactive Publication Date: 2018-10-23
CHINA PETROLEUM & CHEM CORP +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the limited amount of condensation when water vapor enters the outer tube, it cannot effectively solve the "white smoke" problem of the chimney

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0058] There is a chimney used in the wet desulfurization process, the diameter of the chimney is 3000mm, and a large amount of white smoke is found at the mouth of the chimney during use, which seriously affects the appearance of the environment. On the basis of the original chimney, a demister and an outer sleeve were added on the top of the chimney. The diameter of the outer sleeve was 3050mm. The demister used 200 demist components. The white smoke at the outlet of the white smoke chimney is obviously eliminated, and the surrounding environment is improved.

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Abstract

The invention discloses a white smoke eliminating chimney. A demister and an outer sleeve are installed on the top of a traditional chimney. The outer sleeve is arranged on the outer side of the chimney. The outer sleeve and the chimney are arranged coaxially. The outer sleeve is in a cylindrical structure opened up and down and can be of a cylinder shape or a conical cylinder shape. The upper edge of the outer sleeve is higher than the upper edge of the chimney by a certain distance, and the lower edge of the outer sleeve is lower than the upper edge of the chimney. A ring-shaped space is arranged between the outer sleeve and the chimney. The demister is arranged in the chimney. The top of the demister is flush with the upper edge of the chimney. According to the white smoke eliminating chimney, white smoke is eliminated remarkably, pollution to surroundings is reduced, and the problem of the white smoke is solved effectively.

Description

technical field [0001] The invention relates to a chimney for eliminating white smoke, which belongs to the technical field of environmental protection. Background technique [0002] In wet desulfurization, power plants, VOCs waste gas treatment, and phosphoric acid production and concentration systems, etc., the exhaust gas will produce "white smoke" at the chimney mouth. The main component of "white smoke" is water vapor. There are two main sources. One aspect: first, the efficiency of the demister of the flue gas desulfurization device is low, and small water droplets (that is, supersaturated water) are still carried in the flue gas after demisting; second, the flue gas is relatively high, generally 10°C higher than the flue gas dew point temperature ~20°C, high-temperature flue gas is discharged into the atmosphere, and the temperature of the flue gas decreases, resulting in a decrease in the amount of saturated water carried by the flue gas, and water vapor precipitates...

Claims

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Application Information

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IPC IPC(8): F23J13/00B01D45/08
CPCF23J13/00B01D45/08
Inventor 方向晨袁君李欣王晶王金海王海波李磊韩天竹
Owner CHINA PETROLEUM & CHEM CORP
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