A summary of the Dust Collector of the ferrosilicon furnace: The negative pressure filter dust removal system has no difference between the front end of the silicon powder processor and the positive pressure filter. The difference is that the dust collector is located at the front end of the main draught fan (before the entrance), and the purified flue gas is discharged through the chimney. Different from the traditional negative pressure filter back blowing dust, the scheme adopts the negative pressure filter pulse cleaning method, and the selected dust removal equipment is the long bag low pressure pulse Bag Filter. The successful application of the technology for the dust collector of the ferrosilicon furnace changed the defects of the traditional negative pressure filter type dust collector, such as large investment, large equipment volume, insufficient dust removal effect and high equipment running resistance. The pulse cleaning bag dust collector is applied to the iron alloy mine hot stove, and it is indeed the latest dust removal technology in China. It is characterized by: (1) investment province, small area. Compared with glass fiber filter material, the new composite filter material used in this equipment has obvious improvement in wear resistance, folding resistance and peeling strength. That is, it can resist high temperature and improve the filtering wind speed. It is double the filter material of glass fiber. It reduces the filter area of the dust collector accordingly. It is half of the filter bag filter area of the glass fiber filter bag, and the weight of the equipment is 50 light. %. It has achieved the goal of reducing investment cost and reducing floor area. (2) the effect of ash cleaning is good. The dust cleaning effect is the key factor for the use of the dust remover. The equipment adopts the large bore submerged direct pulse valve, which has small spray resistance and low pressure, and the instant pressure of the dust cleaning reaches 2000Pa, and the power cleaning is thorough and the effect is good. The diaphragm of the pulse valve is a Sino US joint venture technology with a service life of 1 million times. (3) convenient maintenance. The device adopts the upper cover structure, that is, when the upper cover is lifted, the filter bag frame can be drawn to replace the bag. The service life of the filter bag is 18-24 months, and the glass fiber filter material is generally 8-12 months, and the maintenance cycle is relatively longer. The operating cost is relatively reduced. (4) the main fan of the negative pressure dust removal system is in the clean air working environment. The blades of the main fan need not be cleaned and maintained, and the fan runs relatively stable.
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