Electric welding machine processing of smoke secondary voltage failure analysis and processing

Electric welding machine processing of smoke secondary voltage failure analysis and treatment welder smoke secondary voltage without secondary current, or abnormal small secondary current value. The cause of the problem: a, too much dust concentration in corona occlusion; b。 Yin, severe anode coating; c。 High pressure loop current meter measurement circuit breaker; d。 High voltage output and poor contact electric field; e. Ma table pointer stuck. Exclusion measures: a. Improve process flow, reduce flue gas dust concentration; b。 Strengthen the shaking, removal of dust; c。 Make the grounding resistance to achieve specified requirements; d。 Repair the circuit; E contact parts repair, make its good contact; 。 Repair milliammeter. Spark the cause of the problem: too much manhole door air leakage, moist air to enter; Boiler water leakage, insulator dirty. Ruled out measures: adopt corresponding measures to eliminate. Welding process of smoke dust collector efficiency is not high the cause of the problem: a. Pole spacing differ too much; b。 , uneven distribution of airflow distribution board wall ash; c。 Working condition of leakage rate, big change, increase the flue gas velocity, temperature drops, so that the dust load performance; d。 Mote than resistance is too high, and even generate electricity, the electric drive performance degradation, and make the deposit in the dirt on the electrode and slow, adhesion force is very big, the shaking hard to fall off; e. High voltage power supply is not stable, automatic voltage regulating system reduced sensitivity or malfunction, the actual low operating voltage; f。 In electric TuChen flue gas conditions do not conform to the original design conditions, working condition of change; G there has been a mechanical malfunction with the equipment, such as bad play function, etc. ; h。 Ash hopper choke plate, air bypass. Exclusion measures: a, adjust the spacing; b。 Remove plugging ash or replace distribution board; C, repair welding or blocked air leakage; d。 The flue gas conditioning ( Such as increasing humidity) , or adjust the working point; E, repair or replace the high voltage power supply; 。 According to the correction curve according to the actual condition to adjust the secondary voltage and current: 8 overhaul vibrating device, or appropriate increase the weight. h。 Check choke plate and do processing.

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