Transformer Vacuum Annealing Furnace
Transformer Vacuum Annealing Furnace
Description:
This furnace is mainly for annealing different kind of wound CRGO cores for transformers, to release inner stress and decrease iron loss.
Advantages:
-This furnace is horizontal and rectangular type, equipped with front-load trolley, convenient for loading & unloading workpieces, avoiding trolley interfering heating elements;
- Heating elements located more reasonable; heating temperature inside is more equal; rectangular furnace decreases idle space, saves evacuating duration, decreases nitrogen consumption.
- Equipped with heating uniform-temperature fan, cut down relative processing time and increase productivity.
- Heating element is made from nickel chromium alloy, longer life
- Equipped with PID temperature control instruments, very good temperature uniform inside the furnace, good for annealing result.
- The whole annealing progress is control by PLC, full automatic; Equipped with industrial computer, progress and cycle curve can be displayed, process data can be saved or printed.
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Specifications:
|
No. |
Item |
Data |
|
1 |
Inside effective size (L x W x H) |
2200 x 1000 x 1100 |
|
2 |
Max. load capacity |
about 5T |
|
3 |
Max. heating temperature |
950ºC |
|
4 |
Working temperature |
780~820ºC |
|
5 |
Heating power |
120kW |
|
6 |
Temperature control method |
PLC |
|
7 |
Temperature control precision |
±2ºC |
|
8 |
Temperature evenness inside |
±5ºC (in the later stage of temperature keeping) |
|
9 |
Furnace surface temperature rise |
35ºC+ ambient temperature |
|
10 |
Cooling fan motor power |
7.5kW |
|
11 |
Ultimate vacuity |
20Pa |
|
12 |
Working vacuity |
400Pa |
|
13 |
Vacuuming speed |
≤30min (from atmosphere to vacuity 300~900Pa |
|
14 |
Vacuum leakage speed |
50Pa/h |
|
15 |
Cooling water consumption |
10~12t/h (water pressure 0.4MPa) |
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