Pulse dust catcher on the basis of the bag filter to improve the new type of efficient pulse dust collector, a combination of chamber blow, the advantages of different pulse injection filter overcomes the chamber soot cleaning strength is not enough, in and out of the wind unequal distribution of faults, to expand the application range.
Pulse dust collector is when dusty gas from the air inlet to filter, first met in the middle of the outlet inclined plate and baffle, air turned into the ash bucket, slowing down of air flow at the same time, due to inertia effect, coarse particles of dust in the gas directly into the hopper.Dust in advance of the role, the airflow into the ash hopper then fold and upward through internal filter bag dust containing metal skeleton was set on the outer surface of the filter bag, after purification, the upper gas into the filter bag chamber clean room, packed into the outlet discharge, through the filter bag dust gas purification process, with the increase of time and accumulate more and more attached to the filter bag dust, increase the resistance of filter pocket, the parameters of gradually reduce, to work, to control the resistance within a certain range (140-170 mm water column), once more than must be carried out on the filter bag dust, soot triggered by pulse controller order of each control valve open pulse valve, air bags of compressed air by spray torch each hole scripture's tube into the corresponding filter bag, filter bag instant swelling, make the product attached to the surface of the filter bag dust fall off, filter bag to restore the initial state.Clear the dust into the hopper, the ash discharge system out of the body. Thus makes the product attached to the filter bag dust pulse blowing soot cleaning cycle, purified gas through normally, guarantee the dust removal system is running. Clear the dust into the hopper, the ash discharge system out of the body. Thus makes the product attached to the filter bag dust pulse blowing soot cleaning cycle, purified gas through normally, guarantee the dust removal system is running.
Pulse dust collector is refers to by the method of injection of compressed air filter medium (bag or filter cartridge) on adhesion of dust; According to the size of the filter may have several groups of pulse valve, the pulse controller or PLC control, every time a group of pulse valve open to remove its control of that part of the dust bag or filter cartridge, cartridge and other bag or normal work, after a while the next set of pulse valve open, clean up the next part of the dust catcher by ash hopper, on housing, the housing, the housing parts, such as lower housing, which is chamber structure. Work, dust by gas into the air duct into the hopper, coarse dust particles directly into the bottom ash hopper, fine dust particles with the air turn upward into the middle and lower housing, dust attached to the external surface of the filter bag, filter the gas into the case on to net gas manifold - exhaust duct, the exhaust fan to the atmosphere. Clean ash process is to cut off the first chamber air outlet duct, the chamber's bag is in a state of no air flow through the (room to stop the wind tell grey). Then open pulse valve with compressed air pulse blowing ash removal, the cut-off valve closing time enough to ensure after blowing off from the filter bag dust settling to the hopper, to avoid the dust on the surface from the filter bag and then currents set attached to the adjacent phenomenon on the surface of the filter bag, filter bag dust thoroughly, and the programmable controller of exhaust valve and pulse valve, discharge valve automatic control, etc. Dust gas from the air inlet to, through the ash hopper gas part of the larger particles of dust is separated out by the inertia force and gravity, directly into the bottom ash hopper.Dust gas through after ash hopper into the box in the filter bag filter area, gas filter bag, dust be trapped on external surface of the filter bag, after purification, the gas after filter mouth into the case on, again through the outlet.
|filting area(m2)||air volume(m3/h)||filting airspeed(m/min)||working resistance(Pa)||dust removing pressure(Mpa)|
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