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CONTINUOUS FURNACE FOR CARBURIZING, HARDENING AND TEMPERING


To see the specification of your hardware, click on the appropriate section.

TEMPERING FURNACE WITH CONVEYOR BELT




Furnace line for heat treatment of conveyer type


Application and features of conveyor tempering furnaces

The products are proceeded the tempering treatment at this equipment after passed rear washing machine. Heater adopts up-down design to get uniform temperature and has long service life and low faulty rate. Furnace has mixed fan, makes temperature was uniform in the furnace.


Continuous Electrical Heating Type Hot Blast Tempering Furnace (Low Temp & Open Construction) RG-808A

conveyor tempering furnaces
Model
 		 Conveyer Width, mm Inside Height, mm Length of Heating Section, mm Inlet Length, mm Outlet Length, mm Power, kW
RG-808A-A 530 100 3000 1500 1500 51
RG-808A-1 530 100 4000 1500 1500 56
RG-808A-2 750 100 6000 1500 1500 98
RG-808A-3 850 100 6000 1500 1500 121
RG-808A-4 1100 100 6000 1500 1500 132
RG-808A-5 1100 100 8000 1500 1500 161
RG-808A-6 1100 100 10000 1500 1500 176
RG-808A-6S 1100 100 12000 1500 1500 225
RG-808A-7 1200 100 10000 1500 1500 187
RG-808A-7S 1200 100 12000 1500 1500 239
If the Temperature is Under 300°C, then the Reckoning is the Temperature x 80%


Continuous Electrical Heating Type Hot Blast Tempering Furnace (High Temp & Open Construction) RG-808B

conveyor tempering furnaces
Model
 		 Conveyer Width, mm Inside Height, mm Length of Heating Section, mm Inlet Length, mm Outlet Length, mm Power, kW
RG-808B-A 600 100 3000/2500 1500 1500 75
RG-808B-1 600 100 4000 1500 1500 110
RG-808B-2 700 100 6000 1500 1500 150
RG-808B-3 850 100 6000 1500 1500 150
RG-808B-4 1000 100 6000 1500 1500 189
RG-808B-5 1000 100 8000 1500 1500 189
RG-808B-6 1000 100 10000 1500 1500 252
RG-808B-6S 1000 100 12000 1500 1500 299
RG-808B-7 1200 100 10000 1500 1500 276
RG-808B-7S 1200 100 12000 1500 1500 345
If the Temperature is Under 650°C, then the Reckoning is the Temperature x 80%


Continuous Electrical Heating Type Hot Blast Tempering Furnace (High Temp & Sealed Construction) RG-808C

conveyor tempering furnaces
Model Conveyer Width, mm Inside Height, mm Length of Heating Section, mm Inlet Length, mm Power, kW
RG-808C-4 1000 100 7000 1500 189
RG-808C-5 1000 100 9000 1500 189
RG-808C-6 1000 100 11000 1500 252
RG-808C-6S 1000 100 12000 1500 299
RG-808C-7 1200 100 11000 1500 276
RG-808C-7S 1200 100 12000 1500 345
If the Temperature is Under 650°C, then the Reckoning is the Temperature x 80%


Specification & Content of the Equipment of the Electrical Heating Type Tempering Furnace RG-808B-2 (for reference)

Brief Equipment Specification

Supply Voltage 220 – 440V 50-60Hz, 3 ph
Conveyer Width 700 mm
Inside Height (effective) 100 mm
Length of Heating Section 6000 mm
Inlet Length 1000 mm
Outlet Length (including air cooling system) 1500 mm
Power consumption 150 kW


The Composition of the Tempering Furnace

1 Conveyor from stainless steel SUS304 1 set
2 Diffusing fans 3 sets
3 Hot-blown System electric Motor 2 hp 3 pcs
4 Mixing shaft support and cooling system 3 pcs
5 Frequency conversion motor 1 hp 1 pcs
6 Reducer 60-100 types of speeds 1 pcs
7 Furnace construction materials 1 unit
8 Pipe type heating element  
9 Automatic temperature controller (0-800°C) 3 sets
10 Temperature controller materials 1 unit
11 Changing the Direction of the Conveyor Notification System 1 unit




Continuous Gas Burner Heating Type Hot Blast Tempering Furnace RG-808G (High Temp & Open Construction)

Model
 		 Conveyer Width, mm Inside Height, mm Length of Heating Section, mm Inlet Length, mm Combustion Ability, kcal/hr Power, kW
RG-808G-4 1000 100 6000 1500 162540 6.75
RG-808G-5 1000 100 8000 1500 162540 6.75
RG-808G-6 1000 100 10000 1500 216720 9.75
RG-808G-6S 1000 100 12000 1500 270900 12.75
RG-808G-7 1200 100 10000 1500 258000 9.75
RG-808G-7S 1200 100 12000 1500 296700 12.75
RG-808G-8 1400 100 12000 1500 309600 13.5
If the Temperature is Under 650°C, then the Reckoning is the Temperature x 80%


Continuous Gas Burner Heating Type Hot Blast Tempering Furnace RG-808H (High Temp & Sealed Construction)

Model
 		 Conveyer Width, mm Inside Height, mm Length of Heating Section, mm Inlet Length, mm Combustion Ability, kcal/hr Power, kW
RG-808H-4 1000 100 7000 1500 300000 9.375
RG-808H-5 1000 100 9000 1500 340000 9.375
RG-808H-6 1000 100 11000 1500 440000 11.625
RG-808H-6S 1000 100 12000 1500 540000 13.875
RG-808H-7 1200 100 11000 1500 480000 11.625
RG-808H-7S 1200 100 12000 1500 580000 13.875
If the Temperature is Under 650°C, then the Reckoning is the Temperature x 80%


conveyor tempering furnaces


Specification & Content of the Equipment of the Gas Burner Heating Type Tempering Furnace RG-808G-6S (for reference)

Tempering furnace with an external conveyor belt of heat-resistant wire links RG-808/810B includes:

  • Open gas heating system.
  • Air mixing device.
  • Fans for improved combustion.
  • Inlet gas regulator. Exhaust gas moves from the input-output of the furnace and the outlets.
Maximum temperature of the furnace                                          650°C
Operating temperature range 300…650°C
Useful width of the furnace     1000 mm
Useful length of the inner space of the furnace 11000 mm
Useful height of the furnace 100 mm
Useful area of the conveyor belt  0,85 × 13 = 11,05 m2
Note: Inner length of the oven, preheating zone, the length of the pipeline at the inlet and outlet of the furnace together account for 13 m, so the useful length of the conveyor belt is 13 m.
The density of products layout in the tempering furnace conveyor belt, taking into account the calculation that the product residence time in the furnace is 90 minutes, is not more than 136 kg/m2.
External length of the furnace 13800 mm
Gas heating power  6,5 kW
Note: Energy consumption is spent on the operation of gas burners, blowers, servomotors, transformers, solenoid valves.
Power consumed by engines 7 kW
Number of heating zones 4
Number of gas mixing fans 4
The residence time of parts in the furnace 60…180 min.
Note: Conveyor belts speed range is 40-200 min, the speed is set within this range.
Natural gas consumption 27…40 m3/h



Typical Components of Gas Burner Heating Type Tempering Furnace (for reference)

1 Conveyor: width 1,000 mm x inlet height 100 mm x heating length 12,000 mm x inlet length 1,500 mm x outlet length 1,000 mm
2Inner insulating materials:
  • Insulating bricks × 1 unit
  • Insulating cements: Japan P-150 × 1 unit
  • Ceramic fiber: Japan 8P & 10P × 1 unit
3Heating construction:
  • Type of burners: direct fire type without radiant tube
  • Model of burners: TJ25 & TJ15 (ECLIPSE made in USA)
  • Quantity of heaters: 10 sets
4Temperature control system:
  • Control system: PID control
  • Control zones: 5 zones
  • Thermocouple: K-type
5Conveyor belt:
  • Belt type: mesh type
  • Material: stainless SUS304 (made in Taiwan)
  • Wires diameters : 1.6 mm × 2.0 mm
  • Belt width : 1,000 mm
  • Bending wall height : 30 mm
  • Total belt length : 29 meters
6 Mixing fan:
  • Fan material: stainless SUS304 shaft with stainless SUS304 blades
  • Fan type: multi-blades type, design is patented (made in Taiwan)
  • Speed: 900 RPM
  • Sensor: proximity switch
  • Motor: 2 HP (1.5 kW)
  • Total quantity : 5 sets
  • Cooling type: air-cooling type, design is patented (made in Taiwan)
7Max operation temperature: 650°C
8Driving system:
  • Motor: inverter motor 2.2kw (3HP) + gear box 1/1800
  • Control: Inverter 2.2kw (TE, made in France)
  • Speed range: 40~200 minutes (from inlet to outlet)
  • Driving type: roller type
9 Driving rollers:
  • Construction: up roller (inside furnace), under roller (outside furnace), main roller (outside furnace)
  • Materials: stainless SUS304 (up roller), SS41 (under + main roller)
  • Bearing: UCFL 206 bearing (up roller) + UCT211 bearing (main roller) (made in Taiwan)
  • Cooling house of bearing: air-cooling type, casting construction (up roller)
  • The water cooling type for main roller



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