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Chimney

A technology of chimneys and channels, applied in the field of chimneys, can solve the problems of limited condensation and ineffective white smoke in chimneys, and achieve the effects of reducing pollution, no air leakage, and ensuring sealing

Active Publication Date: 2018-10-23
CHINA PETROLEUM & CHEM CORP +1
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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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Effect test

Embodiment 1

[0073] 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 without affecting the appearance of the environment.

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Abstract

The invention discloses a chimney. The chimney is provided with a demister and an outer sleeve which are arranged on the top of a traditional chimney, the outer sleeve is arranged on the outer side ofthe chimney, the outer sleeve is of a cylindrical structure with an upper opening and a lower opening, and can be cylindrical or cone-shaped; and the upper edge of the outer sleeve is higher than theupper edge of the chimney along a certain distance, the lower edge of the outer sleeve is lower than the upper edge of the chimney, an annular space is formed between the outer sleeve and the chimney, and the demister is arranged inside the chimney, the top of the demister is flush with the upper edge of the chimney. According to the chimney, the proportion of saturated water in a flue gas is greatly reduced, white smoke is remarkably eliminated, so that pollution to the surrounding environment is reduced, and the problem of "the white smoke" of the chimney is effectively solved.

Description

technical field [0001] The invention relates to a chimney, which belongs to the technical field of environmental protection. Background technique [0002] In systems such as wet desulfurization, the exhaust gas will produce "white smoke" phenomenon at the chimney mouth. The main component of "white smoke" is water vapor. There are two main sources: one is the demister of the flue gas desulfurization device The efficiency is low, and small water droplets (that is, supersaturated water) are still carried in the flue gas after defogging. As the temperature of the gas decreases, the amount of saturated water carried by the flue gas decreases, and the water vapor precipitates and condenses into small water droplets to form "white smoke". A large amount of "white smoke" will even form a "long line of white smoke" for several kilometers, which will bring a strong visual impact to people and affect the aesthetics of the environment. In addition, a large amount of water vapor is dir...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23J11/00F23J15/02B01D45/08B01D45/02B01D45/06B01D45/04
CPCB01D45/02B01D45/04B01D45/06B01D45/08F23J11/00F23J15/02
Inventor 方向晨王晶李欣王海波金平李磊韩天竹王昊辰
Owner CHINA PETROLEUM & CHEM CORP
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