Common faults and treatment methods of quantitative coal feeder

1. Quantitative coal feeder metering failure: transfer the equipment from remote control to local control, set a frequency of 50HZ on the frequency converter, and run the coal feeder. If the instrument fails, the spare parts of the instrument can be replaced, such as the weighing sensor and the speed sensor. The furnace needs to be replaced when it stops.

2, quantitative coal feeder overtemperature alarm: adjust the boiler air volume, so that the furnace temperature is reduced.

3, quantitative coal feeder instrument, frequency converter failure:

(1) Instrument crash, instrument display and indicator performance can not be changed in a certain state, instrument crash is mainly caused by external interference, general instrument power off and then send or cold start to eliminate the fault.

(2) The black screen of the instrument means that it cannot be displayed when operating the keyboard or the instrument display cannot be displayed. It can display normally when the instrument is turned off and then returned later. Usually, the display panel is faulty.

(3) The instrument does not respond, the instrument does not respond after power-on, the display does not work, the indicator light is not bright. Check for meter fuses, transformers, varistors that are usually damaged by transformers or varistors.