Tai Boiler Co., Ltd. Henan Province - efficient desulfurization precipitator: physical absorption SO2 absorption desulfurization mechanism is its transfer from the gas phase to the liquid phase of interphase mass transfer process can be divided into two kinds of physical absorption and chemical absorption, because flue gas SO2 is the result of a series of physical movement chemically react with the absorbing liquid. The method of contacting the contact area with gaseous sulfur dioxide absorption liquid mass transfer rate directly affects the oil-fired boiler plant in Shanxi, only when the rapid expansion of the surface area of ??absorption liquid atomized, full access to the gas-liquid mass transfer process is completed. Absorbing liquid atomization process is carried out in a physical process, the center absorbing liquid jet full coverage at an air swirl effect, a gas-liquid reaction zone in a high-speed collision, the droplets are rapidly broken, dispersed to produce a new surface, expand the surface area of ??the atomized thousandfold, in the shortest possible time to fully reach the gas-liquid contact, complete and efficient mass transfer. Due to the higher cylinder main equipment, pneumatic cyclone effect in Tangshan oil-fired boiler plant desulfurization solution in the larger cylinder of relative movement, the number of rotations increased oil-fired boiler plant, sulfur dioxide and lye can get sufficient time and sufficient The reaction space. When the high temperature flue gas to liquid heat transfer, flue gas temperature is reduced, at low temperatures, more conducive to the absorption of sulfur dioxide is dissolved. Chemical basis of chemical absorption of flue gas desulfurization of sulfur dioxide mainly use the following characteristics: (1) acidic: SO2 is a moderate intensity of acidic oxides, alkaline substance absorbed to form a stable salt. (2) with the Ca and other alkaline earth elements generate insoluble substances, such as calcium-based absorption compound, can generate a very low solubility of CaSO3 * 1 / 2H2O, CaSO4 * 2H2O may be generated by the oxidation, absorption with a sodium compound, the solubility can be generated high Na2SO3 * H2O. (3) SO2 moderate solubility in water, soluble in water to generate H2SO3 oxidized to stable H2SO4. (4) reducing: When in contact with strong oxidizing agents or catalysts and the presence of oxygen, SO2 performance for reducing itself is oxidized to SO3, SO3 is a stronger acid gas, easy to absorb absorbent. Tai Boiler Co., Ltd. Henan Province - efficient desulfurization precipitator More: flue gas purification system 3, dehydration defogging device: in wet FGD systems, the occurrence of intense heat and mass transfer between the gas and liquid, must Most of the absorbing liquid back to the circulating water system, a small amount of smoke were removed, resulting in the flue gas moisture content is too high. Therefore, dehydration can effectively solve the smoke problem is very important to our company and in accordance with the principles of long-term gas-water separator lessons learned, take with a demister gas-water separation and effective measures and efficient dehydration. It is the use of gravity, inertial force, centrifugal force, such as air and water separation principle design, high efficiency of dehydration. Streamlined installation diversion dehydration unit column in the central area, forcing the central gas tower wall motion to eliminate the formation of the central area of ??the vortex of Beijing oil-fired boiler plant, improve dehydration defogging effect. Installation of blocking liquid ring on dewatering device, which can effectively prevent water tower wall Shuaixiang increased airflow away again. Dehydration demister package is valid initiatives to reduce the moisture content of the flue gas to ensure normal operation of equipment. Five, the use of the tower design 5,1 5,1,1 main technical parameters: 1, the main tube inner diameter φ1100 2, desulfurization precipitator total height 2.8m; 3, treatment of flue gas volume: 6000m3 / h 4, collection efficiency : ≥98%, soot ≤150mg / m3; 5, desulfurization efficiency: ≥80%, SO2 emission concentration ≤500mg / m3, Lingeman blackness <1. 6, the device resistance ≤110mH2O. 8, desulfurization precipitator dust desulfurization system resistance is small, no fouling clogging, Fan without running water, so that the normal combustion boiler, the boiler flue gas emissions concentrations treated below the national emission standards. 5.1.2 Technical requirements: high quality steel dust, wall painting anti-corrosion materials, the material must not have cracks, SiO2 content of> 80%, acid rate of> 98% water absorption ≤1, compressive strength ≥150MPa, dust inside the tower Xiping processing, processing of crude flat wall. 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