Fixer's common troubleshooting

Coal chemical testing equipment, sulfur sulfur analyzer troubleshooting 1. Air tightness of the gas path:

Flowmeter indication should be between 0.8~1.2. If the airtightness is reduced, the following components should be inspected: air pump, flow meter, glass tube, rubber tube and air connection.

2. Electrolysis cell (1) Leakage of the electrolysis cell leads to a decrease in airtightness of the gas path.

(2) Dirt on the four pole pieces in the electrolytic cell should be cleaned.

(3) The four pole pieces and the controller in the electrolytic cell should be connected reliably.

3. Stirrer:

The disappearance of the magnetic force of the stir bar is a common cause of stirring out-of-step and should be replaced.

4. The temperature control section (1) indicates that the thermocouple is not open or its internal circuit is open if the temperature shows 1999°C at all times.

If the temperature does not increase, and there is heating current, it means that the thermocouple is reversed.

If the temperature shows room temperature at all times, it means that the thermocouple wire is short-circuited.

(2) The temperature value is less than the set furnace temperature, there should be heating furnace flow. If the furnace flow shows 0.0A, it means that the silicon carbon tube itself is open or the connection is not connected.

(3) The temperature fluctuation is too large, which is generally caused by silicon carbon tubes. The resistance value should be 7~8Ω, so it is best to purchase the company's supporting equipment.

5. Sample feeding mechanism In order to match the fault diagnosis of the sample sending machine, the instrument main board provides four indicator lights. When the specific fault occurs, the fault location can be judged according to the indicator light.

1: When the motor advances, this indicator should light.

2: When the motor is back, this indicator should light.

3: The indicator light should be on when the sample delivery mechanism stays at 500°C or 1050°C.

4: The indicator light should be on when the sample delivery mechanism is in the original position.

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