The ore heating furnace is an indispensable and important equipment in the process of smelting. It has large energy consumption, large amount of flue gas and high temperature, which has an unnegligible effect on the environment. With the design standard of "reasonable structure, simple maintenance, less investment and low operating cost", the pulse bag filter and PPC gas box pulse bag filter are recommended for the flue gas filtration of the ore heating furnace. The long bag pulse bag filter of the submerged arc furnace is widely used in many industries such as metallurgy, boiler, lime kiln, mixer and so on.
The low pressure pulse precipitator of submerged arc furnace has the following characteristics: 1, the effect of ash cleaning is good: the use of large bore submerged pulse valve, small spray resistance, low pressure, ash blowout pressure to reach 2000Pa, strong ash cleaning thoroughly, the effect is good.
2, the maintenance is convenient: using the upper cover structure and extracting the filter bag frame can change the bag quickly; the main fan is in the clean air working environment, the blade of the main fan needs no cleaning and maintenance, and the fan runs relatively stable.
3. The investment province: a new type of composite filter, which can improve the wear resistance, flexural resistance and peel strength, is high temperature resistant, and can improve the wind speed and long service life. The skeleton adopts integral mold welding skeleton, and the upper part of the skeleton is equipped with the whole venturi tube, which has good overall performance, corrosion resistance, high surface finish and no damage filtration. The bag, filter unit and dedusting board are assembled with spring ring, which is convenient for disassembly and maintenance, and has good sealing performance. Because of the good quality of the accessories, the overall operating cost is effectively reduced. 4, professional design: in view of the special situation that the flue gas temperature of the outlet of the ore heat furnace can reach more than 450 degrees, the outdoor natural cooling system is specially designed, without consuming energy and power and saving the cost greatly. On this basis, the automatic control cold air valve is added to ensure the operation of the equipment when the temperature is too high. Safety.
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