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Common Faults, Causes and Measures of Bag Filter
Fault phenomenon	cause	Exclusion measures
Filter bag wear	Rubbing with the box	Repair damaged bag or replace
	Dust abrasion (thinning of filter bag under the filter)	Check the cause and deal with
	Damage caused by adjacent filter bags	Repair damaged bag or replace
Filter bag burned	Inflow of fire	Elimination of fire
Filter bag burned	Dust fever	Eliminating dust and cooling
Filter bag clogging	Long use time of filter bag	replace
	Process gas contains moisture	Check the cause and deal with
	Filter bag wet	Repair, plugging
	Excessive wind speed	Reduce wind speed
	Poor cleaning	Strengthen dust removal and check cleaning mechanism
Abnormal increase in resistance	Spray pipe plugging	Clearing and clearing
	Dust removal mechanism malfunctions	Check and troubleshoot
	Dust, humidity, clogging, or poor cleaning	Control dust humidity, clean and clear
	Ash setting time incorrect	Adjust the timer time
	Rapping mechanism malfunctions (mechanical rapping and cleaning)	Check and adjust
	Reduced cylinder air pressure	Check and increase the pressure of compressed air
	Poor solenoid valve for cylinder	Check and adjust
	A lot of ash in the hopper	Clear dust
	Filter bag clogging	Check the reason, clear the jam
	Filter bag is wet due to water leakage	Patching loopholes
Dust off the dust collector	Dust and humidity	Check the cause and troubleshoot
	Dust removal mechanism malfunctions	Check, adjust and troubleshoot
	Dust cleaning solenoid valve fails	Inspection and replacement
	Defective timer set value is incorrect or has failed	Check and adjust the time setting value
	Insufficient spray	Check the reason and increase the injection pressure
Poor cylinder operation	Poor solenoid valve operation	Check the cause and fix
	Leakage	Inspection, plugging
	Piston Rod Corrosion	Rust removal or replacement
	Poor travel	Adjustment schedule
	Broken pressure pipe	repair
	Pressure pipe joint cracks, falls off	Repair and tighten
	Insufficient pressure in compressed air	Increase the pressure of pressure
	Compressor does not arrive	Check and clear the pipeline
Poor solenoid valve operation	Circuit failure	Check the circuit and troubleshoot
	Due to long-term static friction increase	Inspection
	Valve wear	replace
	Spring break	Replace spring
	Foreign matter in the valve	Remove foreign matter Sealed
Dust in the ash bucket cannot be discharged	Dust in the lower part of the hopper	Remove dust plug
	Spiral cutter failure	Check and troubleshoot
	Rotary valve malfunction	Inspection, repair
	Dust consolidation	Clean up consolidation dust
	Exclude flow channel blockage	Clean the flow cell and remove foreign matter
	Dust is wet and hard to fall	Cleaning dust, moisture treatment