Arm-type Vacuum Annealing Furnace

Arm-type Vacuum Annealing Furnace
Pit bright annealing furnace products using pre-vacuum atmosphere protection work, the operator first furnace evacuated to a certain degree of vacuum furnace filled with an atmosphere of high purity nitrogen or ammonia decomposition protect heating, so as to achieve less non-oxidizing heating,...
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Arm-type Vacuum Annealing Furnace

Arm-type Vacuum Annealing Furnace


Pit bright annealing furnace products using pre-vacuum atmosphere protection work, the operator first furnace evacuated to a certain degree of vacuum furnace filled with an atmosphere of high purity nitrogen or ammonia decomposition protect heating, so as to achieve less non-oxidizing heating, bright decarburization purposes. Due to the use of stirring fans, the furnace has a high temperature uniformity. Equipment is mainly used in non-oxidizing bright annealing machine parts, silicon steel, copper, copper wire, etc.

Arm-type Vacuum Annealing Furnace.jpg

Pit vacuum annealing furnace consists of: 

1.housing is made of 4mm steel roll is made, and a strengthening of steel. Lined with aluminum silicate fiber cotton brick or brick and stereotypes, even put a ring embedded in brick masonry, brick resting place on the resistance wire. 

2. 25mm steel plate using lid, the lid has a lower insulation layer structure. 

3. Vacuum nitrogen pipeline: the lid is equipped with a vacuum gauge for vacuum and filled with nitrogen when piping, valves (connector is plug and play), comes with pressure safety device. 

4. furnace tank: tank made ​​of stainless steel, welded stiffeners bottom of the tank, the tank top with a cooling water jacket, sand sealing device, and with a captive bolt. 

5. heating elements: optional 0Cr25Al5, 0Cr27Al7Mo2 or Cr20Ni80 alloy wire surround made​​. 

6. sealing device: the use of the vessel between the lid and the inner and outer sealing layer composite structure, the inner layer of graphite asbestos, oil temperature of the outer layer of silicone rubber sealing device for the life of confidentiality, ad hoc water cooling devices. 

7. water cooling: from the upper and lower sets, respectively welded to the edge of the lid and the vessel flange to protect the sealing material. 


Pit vacuum annealing furnace features: 

The furnace using high quality insulation materials and refractory masonry structure, with good insulation properties, low energy consumption. 

Japan imported digital temperature control instrumentation, PID control, high precision temperature control. Switching elements using SSR (solid state relay, SCR is an upgrade, no sound at work, sparks, long life and other advantages

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