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13, food feed bags with pulse dust collector common faults and treatment

Number of visits: Date:2013-4-24

Summary

  
Timely and effective solution to the failure of the operation of the precipitator, not only to ensure the continuity of production, and extend the life of the precipitator has a positive meaning. Dust catcher common performance for the following aspects:

Dust suction capacity to reduce the suction port can not effectively capture dust. Failure causes and treatment methods:

① Duct plug, damper shift: clean the duct, fixed damper.

② dust collector, duct tightly closed local leakage: check the dust collector and air duct of the closed.

③ dust collector design air volume is too small: replace the dust collector.

④ fan does not match: replace the fan.

⑤ filter bag plug:

◆ dust concentration of gas is too large, increase the pre-filter or increase the dust collector;

◆ dust gas humidity is too large, heat or heating, replaced with water repellent peritoneal filter;

◆ dust-laden gas moisture strong adhesion to the bag surface, insulation or heating, replaced by peritoneal filter;

◆ filter bag used for a long time, replace the filter bag;

◆ cleaning cycle is too long, the injection width is too short, adjust the pulse controller, shorten the cleaning cycle;

◆ filter bag by the injection of gas oil, clean up the filter;

◆ cleaning strength is insufficient to adjust the injection pressure;

◆ pulse controller appears disorder, can not control the cleaning, check the pulse controller;

◆ solenoid valve does not move, coil damage, diaphragm damage deformation, spring failure, replacement;

◆ solenoid valve does not move, set the circuit wrong, adjust the pulse controller to re-set;

◆ stop the order is not right, no extension of the injection, according to the standard to adjust the order of downtime, increase the injection delay;

◆ ash out of the poor, too much material, clean up the ash bucket, check out the gray body.

 
Dust suction capacity is too large, suction inhalation too much dust. Failure causes and treatment methods:

① throttle shift: adjustment, fixed damper.

②) Dust collector design air volume is too large: replace the dust collector.

③ fan does not match: replace the fan.

④ bag damage, off: check the bag.

⑤ filter bag dust is too small:

◆ cleaning cycle is too short, spray width is too wide, adjust the pulse controller, to extend the cleaning cycle;

◆ cleaning strength is too high, adjust the injection pressure;

◆ dust collector exports ash. Failure causes and treatment methods:

A) filter bag damage, off: check the filter bag;

B) filter bag installation seal is not good: check the re-installation;

C) damage to the board: maintenance of the board;

D) dust particle size is too small: replace the filter;

E) the cleaning cycle is too short, the spray width is too wide, adjust the pulse controller, to extend the cleaning cycle;

F) Clean the strength is too strong, adjust the injection pressure.

Pulse cleaning system failure causes and treatment methods:

① solenoid valve does not move can not hear the sound: the coil is damaged, the diaphragm damage deformation, impurity card in the diaphragm, the diaphragm can not be normal reset, spring failure, replace and clean the seat.

② solenoid valve without sequence action: control line connection error or break, check the control line.

③ part of the solenoid valve is not action: set the wrong circuit, adjust the pulse controller to re-set.

④ pulse control device abnormal damage: repair or replacement.

⑤ air bag pressure is too low:

◆ solenoid valve off delay, deflation large. Adjust the pulse controller to reduce the injection width;

◆ insufficient qi, adjust the gas source;

◆ leakage between the solenoid valve and the nozzle, re-install;

◆ gas source processor block, clean up the processor;

◆ dust collector ash ash fouling reasons and treatment methods:

A) ash is not immediately: adjust the ash frequency;

B) ash dislocation institutions: maintenance of ash discharge agencies;

C) air leakage: check the seal;

D) dust accumulation arch: increase the ash angle, manual cleaning or use shock absorber;

E) dust humidity: take insulation measures.

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