The Small Atmosphere Vacuum Box High-Temperature Furnace is a newly developed furnace model by our company. It features high temperature control accuracy of ≤0.1°C, excellent temperature uniformity of ±2°C, and can reach temperatures up to 2300°C. With a compact footprint and flexible operation, it is especially suitable for small-scale production or laboratory use.

Product Parameters

1. 1.Model: YHGYL-THL45/45-50

2. 2.Heating Method: Isostatic Graphite Resistance Heating

3. 3.Power Control: Low DC Voltage, High Current Mode

4. 4.Designed Power: 60KW; Actual Production Power: ≤50KW

5. 5.Power Supply: Three-Phase Five-Wire System, 380V, 50Hz

6. 6.Design Temperature: 2100°C; Long-Term Operating Temperature: 2000°C

7. 7.Cooling Method: Natural Cooling

8. 8.Effective Charging Space: Width 450mm x Height 450mm x Depth 500mm

9. 9.Heating Rate: Average heating rate ≤5°C/min below 1000°C (under load), ≤5°C/min between 1000-1800°C, ≤3°C/min between 1800-2250°C.

10. 10.Temperature Control Accuracy: RT - 2000°C ≤ ±2°C

11. 11.Power Supply Configuration: Integrated with the furnace body

12. 12.Furnace Type: Horizontal, front door discharge

13. 13.Working Atmosphere: Vacuum or gases such as Ar, N2, NH? (slight positive pressure), with vacuum purging.

14. 14.Temperature Uniformity: ≤ ±3°C (evaluated after 30 minutes of soaking)

15. 15.Temperature Measurement: Single-zone tungsten-sheathed tungsten-rhenium thermocouple

16. 16.Temperature Control: Shimaden FP23 (Japan) PID intelligent temperature controller (control accuracy: ±0.1°C) and manual control.

17. 17.Protection Methods: PLC + Touch Screen + Audible and Visual Alarm

18. 18.Vacuum System Configuration: 2H-70 Sliding Vane Pump

19. 19.Vacuum Measurement: Pirani + Capacitance Diaphragm Vacuum Gauge, measurement range 0-10? Pa

20. 20.Pressure Rise Rate: After pumping down to 5Pa and stopping the pump for 30 minutes, the pressure rise is ≤10 Pa per hour.

21. 21.Ultimate Vacuum (Cold State): ≤5Pa (Under clean, cold, and empty furnace conditions)

22. 22.Empty Furnace Evacuation Time: ≤20min (empty furnace, room temperature, tested according to GB/T10066.1-2004)

23. 23.Maximum Internal Furnace Pressure: 0.02Mpa

24. 24.Bursting Disc Activation Pressure: 0.07Mpa

25. 25.Cooling System: All circulating water pipes have good sealing performance with no leakage during operation.

26. 26.Electrical Control: Siemens PLC + Delta 15-inch Touch Screen. Key parameters such as vacuum level, temperature, and power can be queried in real-time and historically, exported via USB, and equipped with a paperless recorder.

27. 27.Key components use imported materials, such as temperature control instruments and pyrometers.

28. 28.Cover Opening Method: Manual

29. 29.Material Loading/Unloading Method: Equipped with a dedicated loading/unloading trolley

30. 30.Paint Color: Main body off-white, frame sky blue, base black.

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To address the significant temperature rise lag in the furnace's low-temperature section, multi-stage AI self-learning PID and temperature control curve fitting technologies are employed. This ensures consistent temperature control accuracy between the low-temperature and high-temperature sections, achieving ≤ ±2°C

Product Characteristics

1. 1.Maximum Operating Temperature: 2300°C; Typical Operating Temperature: 2250°C.

2. 2.Working Atmosphere: Suitable for air atmosphere, vacuum sintering, or reducing atmosphere sintering (slight positive pressure).

3. 3.Temperature Measurement: Combination of thermocouple and far-infrared optical pyrometer for temperature measurement.

4. 4.Temperature Control: Programmable control and manual control; Control Accuracy: ±0.1°C.