About INDUSTRIAL FURNACE

Technical Specification Industrial Muffle Furnace (1200C) with SS 310 Baffle Wall

1. Furnace Construction

• Type: Electrically heated muffle furnace
• Internal Chamber Size:
  • Length: 1200 mm
  • Width: 229 mm
  • Height: 229 mm
• Usable Volume: 63 liters
• Muffle Material: Highalumina refractory (AlO 6070%)
• Insulation:
  • Hot face: Highalumina refractory
  • Backup: Ceramic fiber board / microporous insulation
  • Cold face: Calcium silicate board
• Outer Body: MS powdercoated, doublewalled
• Door: Frontopening, insulated, with safety interlock

2. SS 310 Baffle Wall Assembly

• Material: SS 310 (25% Cr, 20% Ni) hightemperature oxidationresistant alloy
• Thickness: 35 mm (typical for 1200C furnaces)
• Configuration:
  • Fulllength internal baffle wall mounted ahead of heating elements
  • Perforated or slotted design to ensure uniform airflow and radiant heat distribution
• Purpose:
  • Protects heating elements from direct load radiation
  • Improves temperature uniformity by diffusing radiant heat
  • Enhances chamber life by shielding refractory from thermal shock
  • Reduces scale formation on charge materials
• Mounting:
  • Anchored using hightemperature ceramic/SS 310 brackets
  • Expansion allowance provided to avoid warping at high temperature
• Service Temperature: Up to 11501200C continuous

3. Heating System

• Heating Capacity: 12 kW
• Elements: Kanthal A1 / FeCrAl coils (or SiC rods if specified)
• Mounting: Grooved refractory or ceramic tubes
• Heating Zones: Single zone (optional 2zone upgrade)
• Max Temperature: 1200C
• Continuous Working Temperature: 11001150C
• Uniformity: 10C (improved with SS 310 baffle wall)

4. Temperature Control & Instrumentation

• Controller: Digital PID controller with autotuning
• Display: Dual PV/SV
• Thermocouple: Type K (standard) or Type S (optional)
• Control Accuracy: 1C
• Safety:
  • Overtemperature controller
  • Thermocouple break protection
  • Dooropen heater cutoff

5. Electrical System

• Total Load: 12 kW
• Supply: 415 V, 3phase, 50 Hz
• Switching: Contactor or SSR
• Protection: MCB/MCCB, fuses, earthing
• Wiring: Hightemperature fiberglassinsulated

6. Performance

• Heating Rate: 510C/min (load dependent)
• Soak Capability: Continuous at 11001150C
• Atmosphere: Air (optional N/Ar purge)
• Cooling: Natural convection

7. Mechanical & Safety Features

• Body Temperature: < 55C at 1000C chamber temperature
• Exhaust Port: Provided
• Stand: Heavyduty MS frame with leveling pads
• Door Handle: Cooltouch insulated

8. Optional AddOns

• Multizone control
• SCADA/PLC integration
• Data logging
• Ceramic hearth plate
• Inert gas inlet with flowmeter
• Type S thermocouple