Desulfurization dust separation system for coal-fired boiler flue gas

Abstract

The invention relates to a high-effective desulfuration dedusting purification system of coal boiler flue gas, in particular to a purification equipment of industrial waste gas. The invention provides the highly effective desulfuration dedusting purification system with good desulfuration dedusting effect. The system is provided with a deduster, a draft fan, a booster fan, an absorption tower, a process water pump, a process water tank, an oxidation air blower, a hydraulic cyclone, a slurry pump, a stirrer, a recycle pump, a slurry transfer pump, a clarified water pump, a clarified water tank, a dispensing pump, a concentration groove, a water-ring vacuum pump, a belt filter press, a gas-water separator, a filtration fabric flushing pump, a filtration fabric flushing water tank, a filtrate water pump, a filtrate neutralization box, An electric butterfly valve, an electromagnetic valve, an intercepting valve, a regulating valve, a check valve, etc. The coal boiler flue gas is desulfurized and dedusted through dedusting before desulfuration, lime-spraying desulfuration, liquid absorption, air blowing oxidation, defogging purification, neutral liquid circulation, cyclone separated lime latex, gas water separation, mechanical filtration, etc., thus reaching the emission standard; the water and lye can be recycled, the invention has low cost for operating the system and no secondary pollution.

Description

technical field [0001] The invention relates to an industrial waste gas purification equipment, in particular to a coal-fired boiler flue gas desulfurization and dust removal purification system using liquid as a separation adsorbent. Background technique [0002] Sulfur dioxide, nitrogen oxides and dust in the exhaust gas produced by coal-fired boilers have caused serious pollution to the environment, which has always been one of the key points of environmental governance and a difficult problem in environmental governance, especially sulfur dioxide and nitrogen oxides Pollutants are the main pollutants that are difficult to control. The soot, sulfur dioxide and nitrogen oxides produced by coal-fired boilers in the production process have caused environmental pollution to the surrounding areas. According to environmental protection requirements, the polluted equipment, especially the flue gas produced by coal-fired boilers, must be treated. [0003] Lan Junsheng provided ...

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Problems solved by technology

[0006] The object of the present invention is to provide a device with better desulfurization and dust removal effect for the existing coal-fired boiler flue gas desulfurization and dust removal device which has poor desulfurization and dust removal effect. Coal-fired boiler flue gas desulfurization and dust removal purification system

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