tube furnace

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The correct way to inflate the tube furnace

Inflation method:
quartz tube furnace
1. Connect the hydrogen pipeline and use soapy water to check for leaks at each joint to make sure there is no leakage.

2. Confirm that the valve is closed.

3. Turn the knob counterclockwise to open the main valve of the hydrogen cylinder, and turn the knob clockwise to slowly open the outlet pressure release valve to make the outlet pressure 0.1 MPa.

4. Connect the power of the mechanical pump, open the outlet valve of the tube furnace and the two valves on the air passage of the mechanical pump, and take it out for 5 minutes.

5. Close the two valves on the air passage of the mechanical pump, close the outlet valve of the tube furnace, and then close the mechanical pump.

6. Open the upper airway control valve counterclockwise so that the arrow points to the "open" position.

7. Adjust the knob of the flowmeter counterclockwise to make the indicated value 20 ml/min.

8. Turn the knob counterclockwise to open the air inlet valve of the tubular box high temperature furnace until the barometer reads zero.

9. Open the inlet valve of the tube furnace and the red outlet valve on the hydrogen path.

10. Heating the tube furnace can only start after 10 minutes of hydrogen supply. Before heating, adjust the knob of the flow meter counterclockwise to make the bubbles in the Erlenmeyer flask appear at a rate of 2 /sec.

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