.png)
.jpg)
.png)
.png)
.png)
.jpg)
.png)
.png)
.png)
.png)
Job Application
|
FURNACE STRUCTURE |
|
|
Outside Shell size |
≈ 850 (W) x 550(h) x 650(d) mm |
|
Useful volume |
200mm (H) x 200mm (W) X 300 MM (D) |
|
Entrance size |
150 x 150mm |
|
Shell Construction |
Double Wall High quality fabrication of M. S. Body and M. S. Angle’s structure with proper stiffeners and neat powder coat painting |
|
Skin Temperature |
Double wall structure & special air circulating fan will be provided to maintain the skin temperatures just above ambient |
|
Door Construction |
Sophisticated system to avoid heat loss made by Stainless steel door with proper insulation |
|
Panel box |
Control panel box with a door coupled with furnace |
|
Facing Insulation |
Vacuum formed alumina board from zircar, USA |
|
Backup insulation |
Vacuum formed alumina board from MMTCL |
|
HEATING SYSTEM |
|
|
Heating elements |
Element- Molybdenum di silicide rods |
|
Source :I SQUIRRED R , USA make |
|
|
Shape - U-shape |
|
|
Size - 6/12 |
|
|
Hot zone (Le) - 125mm |
|
|
Cold zone (Lu)- 225mm |
|
|
Total number- 6 numbers |
|
|
Electrical connections - At the top of the furnace |
|
|
Operation |
415 / 2phase / 20 A |
|
with power isolation transformer |
|
|
Power |
A. EACH ELEMENT WITH STAND THE POWER OF ≈1.14kW and TOTAL LOADS FOR THE ELEMENTS – ≈7.0KW |
|
Calculated and required power |
4kW |
|
Maximum Temperature |
1800 ºC |
|
Continuos opération |
1700 ºC |
|
Rate of heating |
Rapid heating 1to 10 deg/minute |
|
Temperature Uniformity |
Each three Heating elements are placed both the sides to get the temperature uniformity |
|
Temperature Stability |
1 deg C |
|
Skin Temperature |
not exceeding 60 deg C |
|
VIEW PORT |
|
|
VIEW PORT |
Available |
|
Size |
50mm dia with ration shielded glass |
|
CONTROL SYSTEM. |
|
|
Control panel |
Separate control panel is available |
|
Temperature Control |
Eurotherm 2416 PID (16 segments) microprocessor based Digital Temperature programmable controller cum indicator |
|
Temperature sensor |
Pt+Rh30%/Pt+Rh6% – B type thermocouple with Recrystalised alumina sheath) |
|
number of temperature sensor |
One |
|
Accuracy |
±1⁰C |
|
Power Controller |
Phase angle-controlled Thyristor drive with current feed back |
|
Thyristor |
Phase angle-controlled thyristor drive with current feedback and 400 Amps Peak current |
|
Transformer |
Reputed make suitable transformer with air cooled with H class insulation |
|
Indications |
a) Digital Ammeters |
|
b) Mains Indicator |
|
|
c) Output Indicator |
|
|
Control switches |
Mains on/off, out put on/off |
|
Safety |
Input, output fuses |
HIGH TEMP. PCE FURNACE - 1700°C-DIGITAL
