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Water-saving energy-saving flue gas purification device and method

A flue gas purification and energy-saving technology, applied in chemical instruments and methods, separation methods, gas treatment, etc., to achieve the effects of improving utilization, enhancing uniformity, and improving purification efficiency

Pending Publication Date: 2019-08-16
新疆天富环保科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Through the combination of various flue gas waste heat recovery technologies, the design value of the exhaust gas temperature of the active units is about 130°C. Emissions losses remain high

Method used

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  • Water-saving energy-saving flue gas purification device and method
  • Water-saving energy-saving flue gas purification device and method
  • Water-saving energy-saving flue gas purification device and method

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Embodiment Construction

[0051] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be noted that the following embodiments are intended to facilitate the understanding of the present invention, but do not limit it in any way.

[0052] Such as figure 1 As shown, the water-saving and energy-saving flue gas purification device includes a washing tower 1, a washing pump 2, a condensation pump 3, a condensate clarification tank 4 and an air-cooled pipe grid 5.

[0053] The bottom of the washing tower is the washing stock tank, and the washing stock tank is equipped with a stock tank heating layer 1-1, and the spray heating layer 1-2, washing spray layer 1-3, desizing layer 1-4, Liquid receiving layer 1-5, condensation spraying layer 1-6, demisting drying layer 1-7. A flue gas inlet is opened on the tower wall between the slurry pool heat extraction layer 1-1 and the spray heat extraction layer 1-2, and a flue gas outlet is...

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Abstract

The invention discloses a water-saving energy-saving flue gas purification device and method. The device comprises a washing tower, a washing pump, a condensation pump, a condensation liquid clarification tank and an air cooling pipe grid; heat of washing slurry and high-temperature flue gas is recovered by an indirect condensation manner, and the water evaporation amount in a washing process is reduced; heat and gaseous moisture in saturated flue gas are recovered in a direct spraying condensation manner, and the recovered heat is used for increasing the gas inlet temperature of a hearth of acoal-fired boiler. Through adoption of the water-saving energy-saving flue gas purification method, waste heat of the flue gas can be fully utilized, meanwhile, the water consumption of the flue gaspurification device is greatly reduced, and the coal consumption amount of unit power generation power of a generator set can be reduced.

Description

technical field [0001] The invention relates to the field of resources and environmental protection, in particular to a water-saving and energy-saving flue gas purification device and method. Background technique [0002] my country is a country rich in coal, short of water, and poor in gas. Nearly half of the global coal production comes from China. In 2016, China's coal production was 3.411 billion tons of raw coal, ranking first in the world, accounting for 45.7%. At the same time, my country is still a big coal-consuming country. Coal dominates the energy consumption structure. Coal consumption accounts for more than 70% of the total primary energy consumption, and coal is mainly used for industrial and electric power consumption, accounting for more than 90% of the total coal consumption. Fueled by coal. A large amount of dust particles, SO X , NO X , CO X , HF, HCl and other pollutants are discharged along with high-temperature exhaust gas, which wastes a lot of hea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D5/00B01D53/18B01D47/06B01D53/14B01D53/56B01D53/80B01D53/73B01D53/28F23J15/04F23J15/06
CPCB01D53/002B01D53/18B01D47/06B01D53/14B01D53/56B01D53/80B01D53/73B01D53/28F23J15/04F23J15/06B01D2258/0283Y02E20/30Y02P70/10
Inventor 刘伟程常杰孔伟杨志国张荣张银海关向军
Owner 新疆天富环保科技有限公司