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Energy-saving type treatment system and energy-saving type treatment method for desulfurization white smoke

An energy-saving, white smoke technology, applied in the field of flue gas purification, can solve the problems of increasing energy consumption and cost of white smoke treatment

Inactive Publication Date: 2018-02-27
SICHUAN DAZHOU IRON & STEEL GROUP
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  • Claims
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Problems solved by technology

[0004] At present, the commonly used method to eliminate white smoke is to introduce a refrigeration system, and the introduction of a refrigeration system increases the energy consumption and cost of white smoke treatment

Method used

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  • Energy-saving type treatment system and energy-saving type treatment method for desulfurization white smoke

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Embodiment Construction

[0024] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below in conjunction with specific examples.

[0025] The white smoke at the outlet of the wet desulfurization chimney is mainly a large number of small-scale water droplets, and its main sources include: small liquid droplets entrained by the desulfurization unit and condensation of gaseous water in the flue gas. The reasons for the formation of white smoke are: 1) the water in the purified flue gas discharged from the chimney cannot be fully diluted by the atmosphere in time; 2) the dew point temperature of the local mixed gas formed by the exhausted flue gas and the atmosphere is higher than the dry bulb temperature of the mixed gas.

[0026] The white smoke at the top of the chimney will not only cause adverse public impacts, but the condensed liquid water and the sulfur dioxide remaining in the p...

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Abstract

The invention discloses an energy-saving type treatment system for desulfurization white smoke. The energy-saving type treatment system comprises a first booster fan (1), a desulfurizing tower (2), aswirling dehydration system (4), a hot-air blower (6), a circular cooler (7), mixers (10) and chimneys (11), wherein the first booster fan (1), the desulfurizing tower (2), the circular cooler (7), the mixer (10) and the chimney (11) are sequentially connected; the hot-air blower (6) is connected with the circular cooler (7); the swirling dehydration system (4) is arranged on the outer side of thedesulfurizing tower (2). The application provides the energy-saving type treatment system and the energy-saving type treatment method for the desulfurization white smoke. By using the energy-saving type treatment system and the energy-saving type treatment method, the desulfurization white smoke is subjected to dehydration treatment, and the desulfurization white smoke subjected to the dehydration treatment is mixed with water heat of the circular cooler, so that the aims of reducing energy consumption and cost for treating the white smoke are achieved.

Description

technical field [0001] The invention relates to the technical field of flue gas purification, in particular to an energy-saving desulfurization white smoke control system and method. Background technique [0002] During the emission of sulfur-containing flue gas, a large amount of white smoke often occurs at the chimney mouth. These white smokes are actually small droplets of sulfuric acid formed by the drop of temperature after the sulfur dioxide contained in the flue gas diffuses into the atmosphere. The "white smoke" phenomenon is quite harmful. First of all, it will directly corrode the steel structure of nearby buildings, greatly reducing its service life. When small droplets of sulfuric acid fall from a high place, it will also damage the surrounding plants. The growth is very harmful. [0003] No matter what kind of desulfurization process is used, the desulfurization efficiency cannot be 100%. On the one hand, it is due to technical reasons, and more importantly, c...

Claims

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Application Information

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IPC IPC(8): B01D45/16B01D53/00F23J15/08
CPCB01D45/16B01D53/005B01D2258/0283F23J15/08F23J2900/15081
Inventor 李元廷肖鹏李翔时潘敏陈波徐光军朱东平曾兴民周文川
Owner SICHUAN DAZHOU IRON & STEEL GROUP
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