Limestone/gypsum wet desulfurization-Foshan yiqing environmental protection engineering technology co. LTD

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Flue gas denitrification

Ultra Low Emission

PRODUCT NAME

Limestone/gypsum wet desulfurization

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Limestone/gypsum wet desulfurization

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It is mainly engaged in industrial dust, industrial flue gas comprehensive treatment, technology research, industrial development and engineering contracting, production and sales of environmental protection equipment, a comprehensive large-scale environmental protection engineering company, is a national high-tech enterprises. It is a professional environmental protection contracting second-class enterprise, and the product quality management system of Yiqing Environmental Protection has obtained ISO9000 certification. Products: desulfurization tower, dust collector, dust removal equipment, catalytic combustion, etc.

The flue gas enters the wet absorption tower of the desulfurization unit and comes into contact with the top-down sprayed limestone slurry droplets counter-currently, in which the acidic oxides SO2 and other pollutants HCL and HF are absorbed, and the flue gas is fully purified and discharged after demisting; the slurry reaction after absorbing sulfur dioxide generates CaSO3, which generates CaSO4.2H2O through in-situ forced oxidation and crystallization, and is dehydrated to obtain After dehydration, gypsum is obtained, and the comprehensive treatment of sulfur-containing flue gas is finally realized.

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Keywords: sanitation equipment, environmental equipment, environmental services

Keywords: industrial flue gas desulfurization, denitrification, VOCs treatment equipment

Details

Brief introduction

The flue gas enters the wet absorption tower of the desulfurization unit and comes into contact with the top-down spraying limestone slurry droplets counter-currently, in which the acidic oxides SO2 and other pollutants HCL and HF are absorbed, and the flue gas is fully purified and discharged after mist removal; the slurry reaction after absorbing SO2 generates CaSO3, which generates CaSO4.2H2O through in-situ forced oxidation and crystallization, and is dehydrated to obtain After dehydration, gypsum is obtained, and the comprehensive treatment of sulfur-containing flue gas is finally realized.

Features
◆ Wide range of absorbents: various absorbents can be used in the FGD unit, including limestone, lime, magnesite, calcium carbide slag, waste soda solution, etc;
◆ Wide range of fuel application: It is applicable to the exhaust gas treatment of boilers burning coal, heavy oil, Ole oil, and petroleum coke and other fuels;
◆ Strong adaptability to the range of fuel sulphur content change: it can treat flue gas with fuel sulphur content up to 8%;
◆ Particularly suitable for deep desulfurization projects such as high sulfur coal and low SO2 emission concentration in key areas;
◆ Strong adaptability to changes in unit load: it can meet the stable operation of the unit in the range of 30 to 100% load change;
◆ High desulfurization efficiency: generally greater than 95%, zui high to 99%;
◆ Tray technology: effectively reduce the liquid/gas ratio, which is conducive to the uniform distribution of flue gas flow in the tower, saving energy consumption and facilitating the maintenance of the internal parts of the absorption tower; the energy-saving advantage is obvious in the deep desulfurization projects such as high sulfur coal and low SO2 emission concentration in key areas;
◆ High utilization rate of absorbent: calcium-sulfur ratio as low as 1.02 to 1.03;
◆ High purity of by-products: commercial grade gypsum with a purity of over 90% can be produced;
◆ High dust removal efficiency of coal-fired boiler flue gas: up to 60%～70%;
◆ Cross-shower tube arrangement technology: There are various technical means to meet the upgrading technology transformation of desulfurization device, such as cross-shower layer, double tray, high-efficiency energy-saving oxidation system, high-efficiency spray scrubbing technology, etc., and can achieve zui maximally reduce the amount of transformation works and meet the requirements of transformation period.

The main products of Yiqing Environmental Protection include various industrial dust treatment equipment, industrial flue gas desulfurization, denitrification, VOCs treatment equipment and flue gas desulfurization, dust removal, denitrification integrated ultra-low emission equipment, Yiqing Environmental Protection since its inception, based on the industry, social development needs, dedicated to the comprehensive treatment of flue gas, dust and flue gas energy saving and other technical fields of research, technology innovation and upgrading to achieve new breakthroughs. The company has the most cutting-edge integrated flue gas treatment solutions, with strong innovation, development and manufacturing capabilities in the cutting-edge field of environmental protection equipment, with a number of patents for integrated flue gas treatment system, and built a leading flue gas simulation generation and treatment system, the acquisition of advanced monitoring equipment, through accurate generation, accurate monitoring accurately obtain the key nodes and links of the flue gas treatment system The working parameters of each key node and link of the flue gas treatment system have been accurately generated and monitored, and the cause-and-effect relationship between the working parameters of the flue gas treatment link has been mastered, and some unique experience has been gained. The scientific research project "New type of kiln flue gas purification system" undertaken by Yiqing Environmental Protection has been awarded the science and technology projects by Guangdong Province and Foshan Municipal Government.

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