Circular suspension type semi-dry fume purifier

A flue gas purification and semi-dry technology, applied in separation methods, chemical instruments and methods, and dispersed particle separation, etc., can solve the problems such as the inability to be popularized and applied on a large scale, the high price of desulfurization devices, and the inability to build and operate. Achieve the effect of eliminating the phenomenon of scaling and clogging, easy treatment and economical operation

Inactive Publication Date: 2005-01-19
ZHEJIANG UNIV
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0003] At present, foreign desulfurization technology is relatively mature, but the price of desulfurization equipment is quite expensive, and its operation cost is also very high, so that it cannot be popularized and applied on a large scale in my country
Taking Luohuang Power Plant as an example, the investment cost of flue gas desulfurization equipment is 300 million yuan, and the annual operation cost of flue gas desulfurization can reach more than 40 million yuan. Therefore, foreign desulfurization equipment generally has the problem of not being able to build or operate in my country.

Method used

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  • Circular suspension type semi-dry fume purifier
  • Circular suspension type semi-dry fume purifier

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Embodiment Construction

[0018] The circulating suspension semi-dry flue gas purification device has an inverted U-shaped spray drying desulfurization tower 1, and the lower part of one end of the desulfurization tower is equipped with a water two-fluid atomization nozzle 2, a slurry two-fluid atomization nozzle 5, and a Venturi cloth in sequence from top to bottom. Wind device 6, ash valve 7, the other end of the desulfurization tower is connected to one end of the dust collector 8, the other end of the dust collector is connected to the induced draft fan 9, the bottom outlet of the dust collector is connected to one end of the chain conveyor 10, and the other end of the chain conveyor is connected to the fan 12 and feed injection pump 11, and connected with the lower part of the water two-fluid atomizing nozzle at the lower part of the desulfurization tower, the bottom of the dust collector is also provided with a waste discharge port 13, and the water two-fluid atomizing nozzle is connected with the ...

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Abstract

The fume cleaning equipment possesses an inverted spray-drying desulfurizing tower, the lower portion of one end of said desulfurizing tower is equipped with water atomizing nozzle, slurry atomizing nozzle, venturi air-distributing device and ash valve, the other end of the desulfurizing tower is connected with dust remover, the other end of said dust remover is connected with induced fan, and the outlet of bottom of the dust remover is connected with fan and feeding injection pump, and is connected with underside of water atomizing nozzle in lower portion of the desulfurizing tower, the slurry atomizing nozzle is connected with air compressor and sturry metering feeding equipment. Said product is simple in structure, also can remove other harmful gas and heavy metal, etc.

Description

technical field [0001] The invention relates to a circulating suspension semi-dry flue gas purification device. Background technique [0002] With the development of industry, my country's SO 2 The emission of high acid rain has caused serious acid rain in many areas, and the average economic loss caused by it is more than 100 billion yuan. In order to solve the current air pollution problem, my country has formulated stricter SO 2 Pollution control laws and regulations, according to the "Reply of the State Council on Relevant Issues Concerning Acid Rain Control Areas and Sulfur Dioxide Pollution Control Areas" (State Council [1998 No. 75] document requirements, in 2000, the national SO 2 Pollution emissions are less than 16 million tons, and the air quality of the municipalities, provincial capitals, open cities and key tourist cities in the "two control areas" meets the national environmental quality standards, and measures to limit high-sulfur coal mining, develop desul...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D53/80
Inventor 骆仲泱高翔方梦祥施正伦程乐鸣周劲松王勤辉倪明江岑可法
Owner ZHEJIANG UNIV
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