1. After prolonged analysis, bubbles in the sulfur absorption cup are reduced or the flowmeter float in the arc burner falls. Cause: There is too much dust in the electric arc furnace, which has blocked the airway. The dust in the furnace body, dust collector and single bulb needs to be cleaned. When removing dust, be careful not to break the dust paper wrapped around the dust collector core. For the specific method, see the instruction manual of the electric arc furnace. 2. When measuring carbon, the measured data content is lower than the actual value. Causes (1): Soda lime has failed for too long (solid absorption). Removal method: Remove the absorption tube behind the instrument and replace it with fresh and dry soda lime. For liquid absorption, the KOH solution in the gas storage bottle is too long and should be replaced.
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