Industrial High Temperature Tunnel Oven
Application： Used in the continuous sintering process of electronic ceramic sheets.
Technical features:
* High-quality refractory insulation material design, PID energy-saving system, long life.
* The silicon carbon rod is heated up and down horizontally, and the furnace temperature uniformity is excellent.
* Silicon carbide guide rail and push plate, the bottom of the furnace is wear-resistant and has a long service life.
* PLC, frequency converter intelligent propulsion system to ensure the stability and safety of automatic operation.
* Fully automatic intelligent external circulation system, only need to discharge materials, no manual duty. Greatly save labor.
* Touch screen and manual control two control methods. Even if the touch screen is damaged, it can be operated manually.
* Intelligent PID control, auto-tuning, over-temperature alarm, thermocouple break indicator and other functions. Ensure that temperature control is accurate and stable.
*The control cabinet and the furnace body are separated and designed according to the height of the human body. Post-maintenance is easy. Electrical components use well-known brands.
Technical performance:
Furnace dimensions: about 21500 × 2200 × 1800mm (L * W * H) Any size can be customized
Studio size: 18500 × 660 × 220mm (L * W * H)
Push plate size: 300 × 300 × 30mm (L * W * H), material: Aluminum silicate
Rated temperature: 1150 ° C
Power supply: three-phase 380V about 180KW
Temperature control points: 8 zones, 12 points temperature control
Temperature control accuracy: ±1 ° C (after steady state).
Temperature uniformity in the section of the constant temperature zone: ≤ ± 5 °C.
Kiln surface temperature: room temperature + ≤ 30 ° C
Propulsion speed: continuously adjustable 400~2000mm/h Common speed: 1200 mm/h
Propulsion thrust: 15T
Propulsion mode: machine hydraulic
Process time: 0.5h in the transition period, 12h in the heating time and 3h in the cooling time.
Safety protection: short circuit protection, leakage protection, over temperature protection, power failure protection, motor overload, PLC program failure alarm, etc.
Furnace and insulation system:
The furnaces in the R1～R14 area are all made of 80 corundum materials, and the heat-insulating bricks are passed between the temperature zones to ensure good heat insulation effect. The left and right sides of the furnace section are insulated by 1300 light mullite bricks +260 fiberboard + Luyang insulation board, and the bottom insulation is 1400+1300 light mullite brick + two layers of diatomaceous earth bricks. The feed section and the cooling section furnace are all made of first-grade high-aluminum and the top is flat-topped. The bottom of the furnace is made of high-hardness silicon carbide rail.
Furnace steel structure:
The main frame of the furnace is welded with high-quality 8# angle steel. The furnace shell is welded by steel and steel plates. Each furnace shell is segmented and positioned by positioning pins. Easy to manufacture, transport, and install. The side of the electric kiln is made of cold-rolled decorative hood, which is beautiful, generous and clean.In the process of designing the steel structure of the furnace shell, the segmental interface of the furnace shell is prohibited from causing the temperature zone to span in a certain temperature zone, and the distance between the heated carbon rod and the steel structure of the furnace shell must be ensured to be greater than 20 mm.
Temperature zone thermal structure：
The furnace is designed with 8 heating zones, the low temperature zone is heated by a resistance wire rod, and the high temperature zone is heated up and down by a silicon carbon rod.
*The entrance area is not heated. Length: 600mm
*The total length of the heating zone is 14400mm, the heating zone is 7200mm long, the constant temperature zone is 6000mm, and the auxiliary temperature zone is 1200mm.
*Temperature rise 1 temperature zone: The resistance wire rod is heated up and down, the temperature zone length is 1800mm, and the temperature is set to 300 °C.
*Temperature rise 2 temperature zone: The resistance wire rod is heated up and down, the temperature zone length is 1800mm, and the temperature is set to 500 °C.
*Temperature rise 3 temperature zone: The resistance wire rod is heated up and down, the temperature zone length is 1800mm, and the temperature is set to 700 °C.
*Temperature rise 4 temperature zone: The resistance wire rod is heated up and down, the temperature zone length is 1800mm,
*The temperature is controlled at two points above and below, and the temperature is set at 900 °C.
Constant temperature 5 temperature zone: The silicon carbon rod is heated up and down, and the temperature zone length is 2000mm.
*The temperature is controlled at two points above and below, and the temperature is set at 1040 °C.
Constant temperature 6 temperature zone: Silicon carbon rod heating up and down, temperature zone length: 2000mm.
*The temperature is controlled at two points above and below, and the temperature is set at 1040 °C.
Constant temperature 7 temperature zone: Silicon carbon rod heating up and down, temperature zone length: 2000mm.
*The temperature is controlled at two points above and below, and the temperature is set at 1040 °C.
*Auxiliary 8 temperature zone: Silicon carbon rod heating up and down, temperature zone length: 1200mm. The temperature is set to 1000 °C.
*Cooling zone total length: 3600mm
Thermal protection system:
1000mm, 1800mm, 3000 at the entrance of the furnace, three exhaust ports are designed, the exhaust volume can be adjusted, and three φ80 valves are used for adjustment. The exhaust port is arranged at the corresponding part, and the displacement is adjustable to ensure smooth discharge. . Two exhaust ports with adjustable butterfly valves are provided in the cooling section for product cooling. All the exhaust ports correspond to the natural air inlets on both sides of the furnace (with the valve to control the intake air amount), forming a wind curtain for blocking the heat to the discharge furnace mouth.
Temperature intelligent control system:
* A total of 8 temperature zones, using 12 independent temperature control systems.
*Using digital display intelligent instrument, it has functions such as PID, self-tuning, over-temperature alarm function, thermocouple breaking indicator. Ensure that temperature control is accurate and stable.
* Adopt thyristor voltage regulation and temperature control. All electrical systems are designed in accordance with international standards for electric furnaces and safety standards. The electrical system is designed with short circuit protection. The 12 temperature control zones can be started and stopped independently to realize the single-temperature zone bar-changing operation to prevent the broken kiln from stopping. The temperature control system is designed with a voltmeter and an ammeter to facilitate the adjustment of the working parameters of the silicon carbon rod. Independent control design for each temperature zone.
Advance electromechanical systems:
* Hydraulic automatic automatic propulsion system.
* System components: 1 main mechanical propulsion machine + 2 horizontal transmission hydraulic cylinders + 1 return hydraulic cylinder + PLC control system, the main propulsion machine is equipped with reducer, frequency control, electromagnetic clutch, fast retract motor. The return path uses a horizontal roller + vertical roller structure.
Advance system electromechanical function:
Fully automatic propulsion cycle, with slow forward, fast rewind, automatic propulsion, speed control. It has a hand-cranked structure. It adopts PLC programmable controller, travel switch and frequency converter to control the automatic propulsion system with high reliability and advanced system. The frequency conversion speed regulation makes the propulsion system have a stable propulsion speed.
* Use propulsion speed range: 400 ~ 2000mm / h (continuously adjustable).
*The mechanical propeller is a stable 5-bar structure, 1 screw and 4 guide bars.
* The control system adopts touch screen control, and manual control is also configured, even if the touch screen is damaged, it is manually operated.
Industrial High Temperature Tunnel Oven
Application： Used in the continuous sintering process of electronic ceramic sheets.
Technical features:
* High-quality refractory insulation material design, PID energy-saving system, long life.
* The silicon carbon rod is heated up and down horizontally, and the furnace temperature uniformity is excellent.
* Silicon carbide guide rail and push plate, the bottom of the furnace is wear-resistant and has a long service life.
* PLC, frequency converter intelligent propulsion system to ensure the stability and safety of automatic operation.
* Fully automatic intelligent external circulation system, only need to discharge materials, no manual duty. Greatly save labor.
* Touch screen and manual control two control methods. Even if the touch screen is damaged, it can be operated manually.
* Intelligent PID control, auto-tuning, over-temperature alarm, thermocouple break indicator and other functions. Ensure that temperature control is accurate and stable.
*The control cabinet and the furnace body are separated and designed according to the height of the human body. Post-maintenance is easy. Electrical components use well-known brands.
Technical performance:
Furnace dimensions: about 21500 × 2200 × 1800mm (L * W * H) Any size can be customized
Studio size: 18500 × 660 × 220mm (L * W * H)
Push plate size: 300 × 300 × 30mm (L * W * H), material: Aluminum silicate
Rated temperature: 1150 ° C
Power supply: three-phase 380V about 180KW
Temperature control points: 8 zones, 12 points temperature control
Temperature control accuracy: ±1 ° C (after steady state).
Temperature uniformity in the section of the constant temperature zone: ≤ ± 5 °C.
Kiln surface temperature: room temperature + ≤ 30 ° C
Propulsion speed: continuously adjustable 400~2000mm/h Common speed: 1200 mm/h
Propulsion thrust: 15T
Propulsion mode: machine hydraulic
Process time: 0.5h in the transition period, 12h in the heating time and 3h in the cooling time.
Safety protection: short circuit protection, leakage protection, over temperature protection, power failure protection, motor overload, PLC program failure alarm, etc.
Furnace and insulation system:
The furnaces in the R1～R14 area are all made of 80 corundum materials, and the heat-insulating bricks are passed between the temperature zones to ensure good heat insulation effect. The left and right sides of the furnace section are insulated by 1300 light mullite bricks +260 fiberboard + Luyang insulation board, and the bottom insulation is 1400+1300 light mullite brick + two layers of diatomaceous earth bricks. The feed section and the cooling section furnace are all made of first-grade high-aluminum and the top is flat-topped. The bottom of the furnace is made of high-hardness silicon carbide rail.
Furnace steel structure:
The main frame of the furnace is welded with high-quality 8# angle steel. The furnace shell is welded by steel and steel plates. Each furnace shell is segmented and positioned by positioning pins. Easy to manufacture, transport, and install. The side of the electric kiln is made of cold-rolled decorative hood, which is beautiful, generous and clean.In the process of designing the steel structure of the furnace shell, the segmental interface of the furnace shell is prohibited from causing the temperature zone to span in a certain temperature zone, and the distance between the heated carbon rod and the steel structure of the furnace shell must be ensured to be greater than 20 mm.
Temperature zone thermal structure：
The furnace is designed with 8 heating zones, the low temperature zone is heated by a resistance wire rod, and the high temperature zone is heated up and down by a silicon carbon rod.
*The entrance area is not heated. Length: 600mm
*The total length of the heating zone is 14400mm, the heating zone is 7200mm long, the constant temperature zone is 6000mm, and the auxiliary temperature zone is 1200mm.
*Temperature rise 1 temperature zone: The resistance wire rod is heated up and down, the temperature zone length is 1800mm, and the temperature is set to 300 °C.
*Temperature rise 2 temperature zone: The resistance wire rod is heated up and down, the temperature zone length is 1800mm, and the temperature is set to 500 °C.
*Temperature rise 3 temperature zone: The resistance wire rod is heated up and down, the temperature zone length is 1800mm, and the temperature is set to 700 °C.
*Temperature rise 4 temperature zone: The resistance wire rod is heated up and down, the temperature zone length is 1800mm,
*The temperature is controlled at two points above and below, and the temperature is set at 900 °C.
Constant temperature 5 temperature zone: The silicon carbon rod is heated up and down, and the temperature zone length is 2000mm.
*The temperature is controlled at two points above and below, and the temperature is set at 1040 °C.
Constant temperature 6 temperature zone: Silicon carbon rod heating up and down, temperature zone length: 2000mm.
*The temperature is controlled at two points above and below, and the temperature is set at 1040 °C.
Constant temperature 7 temperature zone: Silicon carbon rod heating up and down, temperature zone length: 2000mm.
*The temperature is controlled at two points above and below, and the temperature is set at 1040 °C.
*Auxiliary 8 temperature zone: Silicon carbon rod heating up and down, temperature zone length: 1200mm. The temperature is set to 1000 °C.
*Cooling zone total length: 3600mm
Thermal protection system:
1000mm, 1800mm, 3000 at the entrance of the furnace, three exhaust ports are designed, the exhaust volume can be adjusted, and three φ80 valves are used for adjustment. The exhaust port is arranged at the corresponding part, and the displacement is adjustable to ensure smooth discharge. . Two exhaust ports with adjustable butterfly valves are provided in the cooling section for product cooling. All the exhaust ports correspond to the natural air inlets on both sides of the furnace (with the valve to control the intake air amount), forming a wind curtain for blocking the heat to the discharge furnace mouth.
Temperature intelligent control system:
* A total of 8 temperature zones, using 12 independent temperature control systems.
*Using digital display intelligent instrument, it has functions such as PID, self-tuning, over-temperature alarm function, thermocouple breaking indicator. Ensure that temperature control is accurate and stable.
* Adopt thyristor voltage regulation and temperature control. All electrical systems are designed in accordance with international standards for electric furnaces and safety standards. The electrical system is designed with short circuit protection. The 12 temperature control zones can be started and stopped independently to realize the single-temperature zone bar-changing operation to prevent the broken kiln from stopping. The temperature control system is designed with a voltmeter and an ammeter to facilitate the adjustment of the working parameters of the silicon carbon rod. Independent control design for each temperature zone.
Advance electromechanical systems:
* Hydraulic automatic automatic propulsion system.
* System components: 1 main mechanical propulsion machine + 2 horizontal transmission hydraulic cylinders + 1 return hydraulic cylinder + PLC control system, the main propulsion machine is equipped with reducer, frequency control, electromagnetic clutch, fast retract motor. The return path uses a horizontal roller + vertical roller structure.
Advance system electromechanical function:
Fully automatic propulsion cycle, with slow forward, fast rewind, automatic propulsion, speed control. It has a hand-cranked structure. It adopts PLC programmable controller, travel switch and frequency converter to control the automatic propulsion system with high reliability and advanced system. The frequency conversion speed regulation makes the propulsion system have a stable propulsion speed.
* Use propulsion speed range: 400 ~ 2000mm / h (continuously adjustable).
*The mechanical propeller is a stable 5-bar structure, 1 screw and 4 guide bars.
* The control system adopts touch screen control, and manual control is also configured, even if the touch screen is damaged, it is manually operated.
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