Vacuum Furnace Installation

Vacuum furnaces may not be new to everyone, but there will be various problems about the equipment of vacuum furnaces, so how to install the vacuum furnaces correctly? How to use the vacuum furnaces correctly?

When installing graphite electrothermal elements and water-cooled electrodes in vacuum furnace, attention should be paid to:

1. Be extremely careful when taking graphite components to prevent damage.
2. To tighten the bolt firmly to reach good electrical contact, do not exert too much force to prevent thread breaking.
2. The layout, installation location and civil conditions of the vacuum furnace provided in the reference paper. Choose the location of the Eternal Equipment and stop the civil construction. The installation site should be free of smoke and dust pollution, clean environment and dry air. It should not be put together with other equipment. It should adhere to the room temperature of 10-35 degrees Celsius, and the air should be smooth and bright.
3. Connect the pipeline to the refilling pipeline according to the vacuum furnace refilling system diagram, and propose to provide high purity nitrogen with purity of 99.99%-99.999% as refilling gas.
4. According to the water cooling system diagram, the intake and drainage pipes are connected to the inlet and drainage ports of the furnace respectively, providing water sources with pressure of 0.1-0.15 MPa, temperature of no less than 15 C and no higher than 30 C. It is better to provide circulating water and rust-proof water.
Fifth, according to the vacuum system diagram, the vacuum system is positioned, assembled and connected with the furnace body. When assembling, the O-ring is coated with a thin layer of vacuum grease, and the flange is tightened evenly.
6. The furnace body and control box of the vacuum furnace are grounded, and the grounding resistance is less than 4 Euros. The gauge cable of the instrument and the vacuum gauge should also be grounded.
7. Connect the power supply to the corresponding electrical connection points according to the electrical wiring diagram, check the voltage of the power supply, connect the control box, the power box and the wire and cable between the furnace body.
8. Provide a pneumatic air source with a minimum pressure of 0.5 MPa. Industrial nitrogen can be used. If compressed air is used, self-contained pneumatic "three parts" (such as oil mist, pressure reducer and water separator) will be provided.
9. Other parts of vacuum furnace, including conduits, measuring instruments, etc.

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