The Purpose of The Invention Sapphire Dan Changjing Furnace And New Advantages

The invention aims to overcome these shortcomings, providing a furnace system to ensure stable operation of dan changjing sapphire dan changjing furnace vacuum system.

The purpose of this utility model is achieved:

A sapphire Dan Changjing furnace vacuum system comprising vacuum channel, the vacuum channel is connected to the sapphire Dan Changjing furnace body, said lower end of said vacuum pump through molecular compound molecular pump connected to a receiver, said vacuum Pipeline and over molecular pump is disposed between the rotary gate valve, the lower end of the composite molecular pump connected to a vacuum exhaust outlet pipe, said vacuum exhaust outlet pipe is provided with a first solenoid valve, said first solenoid valve the rear exhaust pipe and the vacuum outlet is connected between said vacuum exhaust bypass pipe, the exhaust bypass pipe is provided with a second solenoid valve on the road.

Compared with the prior art, the utility model has the advantages that:

The present invention taken in the vacuum system, the composite molecular pump, an oil diffusion pump saves metal oil warm-up time, while avoiding the damage of the heating plate of the emergency shutdown resulting losses and sapphire furnace Dan Changjing The oil and gas pollution. The Sapphire Dan Changjing furnace vacuum system with Sapphire Dan Changjing furnace system can guarantee stable operation advantages.


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