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Name:
 Vacuum Carbon Tube Furnace
Keywords:
 Vacuum Carbon Tube Furnace
PRODUCT INFOMATION
 
Vacuum Carbon Tube Furnace
I. Usage:
The series of vacuum furnaces are periodic operating type furnace. It uses graphite tube or graphite rod as the heating element, and is
suitable for the sintering of metals and inorganic metal materials under vacuum or protective atmosphere conditions. Meanwhile, it is
also applied for the roasting and purification of optical materials.
 
II. Main Technical Parameters
Model
Rated power
Rated temperature
Working area size
Ultimate vacuum
Remark
ZT-25-20
25KW
2000C
90×120
6.67×10-3Pa
Single phase
ZT-40-20
40KW
2000C
160×160
6.67×10-3Pa
Single phase
ZT-50-22
50KW
2200C
160×200
6.67×10-3Pa
Single phase
ZT-60-20A
60KW
2000C
260×270
6.67×10-3Pa
Three phase
ZT-60-20
60KW
2000C
200×350
6.67×10-3Pa
Three phase
ZT-100-20
100KW
2000C
320×320
6.67×10-3Pa
Three phase
ZT-150-23
150KW
2300C
300×450
6.67×10-3Pa
Three phase
ZT-200-23
200KW
2300C
400×500
6.67×10-3Pa
Three phase
 
III. Structure Description
1. This electric furnace is vertical and the furnace shell is designed in dual layer water-cooled structure with inner layer of polishing stainless
steel and outer layer of high-quality anti-rust carbon steel. The furnace lid with manual opening is designed with an observation window and
baffle. And the furnace body is also designed with observation window, automatic access thermocouple equipment, over-temperature
protected thermocouple and infrared thermodetector. On the side of the furnace, it is equipped with water-cooled electrode while the heating
element is made of high-quality graphite and the insulating layer is in composite structure of carbon felt and graphite.
2. The vacuum system is made of oil diffusion pump and mechanical pump. In the mechanical pump there designed a solenoid valve, and the 
high and low vacuum valves are pneumatic baffle valve. With the digital displayed composite vacuum gauge and PLC, it can achieve the 
automatic switching of high and low vacuum.
3. The main loop of electric control system adopts lowvoltage high current input method, and the electric control cabinet’s design refers to the 
Siemens standard control cabinet. The imported digital displayed control instrument controls the heating/cooling process automatically, there 
designed graphic simulating screen on the control panel with human design and easy operation, being direct. And the control system has 
functions of alarm with sound and light when such abnormal phenomena occurred as water break, ultra temperature, over-current and so on.
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