Hengfu Electronic Machinery Co., LTD

Principle of Pulse bag filter

Pulse dust collector means to get rid of the filter media (bag or cartridge) method by blowing

compressed air on the attached dust; according to the size of the dust may have several sets of

pulse valve, controlled by a pulse meter or PLC control, every open a set of pulse valve to remove

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Hengfu Electronic Machinery Co., LTD

dust bag or cartridge that part of its control, while the other bag or cartridge is working properly,

the next set intervals after the pulse valve is opened, the next part of cleaning up dust from the

hopper, the consisting of cabinet, the cabinet, under the cabinet and other parts of the upper,

middle and lower box for the sub-chamber structure. Work, dusty gas from the inlet duct into the

hopper, coarse dust particles directly into the bottom of the hopper, with the air of fine dust

particles into the upward turn in the next box, dust bag attached to the outer surface of the plot,

filtered gas enters the box to net gas manifold - exhaust tract, the exhaust fan discharge to the

atmosphere.

Cleaning process is to cut off the chamber gas outlet duct net, making the chamber bag in the

state (sub-room cleaning to stop the wind) without flow through, and then turn on the pulse valve

with compressed air pulse cleaning, shut-off valve after closing time sufficient to ensure the

release of blowing dust from settling on the bag to the hopper, to avoid dust on the surface and

then out of the bag with the air bag attached to the adjacent surface phenomenon set to make a

thorough cleaning bag, by a programmable control device on the exhaust valve, pulse valve and

cinder automatic control valves, etc., thereby periodically pulse cleaning dust bag attached to the

product, so that the purge gas through the normal guarantee dedusting system operation. When the

dust and gas from the inlet into, through the hopper, the gas part of the large particles of dust by

the force of inertia and gravity effects are separated out, directly into the bottom of the hopper.

After dusty gas through the hopper into the filter bag in the box area, the gas passes through the

filter bag, dust is retained on the outer surface of the bag, the bag purified gas through the mouth

into the box, and then from the outlet discharged.

In addition, with the increase of time and plot attached dust bag more and more, increasing the

bag resistance, resulting in decreased air volume for normal operation, the resistance must be

controlled within a certain range (140--170 mm water column).

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Hengfu Electronic Machinery Co., LTD

   

    

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