Non combustibility test furnace for building materials

1、 The characteristics of the new automatic layout non flammability test furnace for building materials by Lan Yu:

1. Dual control mode: can be controlled on the touch screen or on the computer, and the operation mode can be switched freely; One device can be operated by multiple computers simultaneously, multiple computers can be online at the same time, and LAN sharing can be achieved;

2. Equipped with automatic layout function, the sample can be automatically placed into the furnace after the temperature stabilizes. The sample basket will automatically rotate 90 degrees after being discharged from the furnace, and when changing the sample. The automatic layout process can be stopped at any time, and the sample basket can automatically return to its initial position;

3. Using microcomputer technology and thyristor technology, the temperature of the furnace body is regulated by power

4. High degree of automation, displaying and recording the temperature inside the furnace, at the center of the sample, and on the surface of the sample during testing. Operation prompts will automatically appear for the testing steps

5. Can query historical curves and automatically determine temperature balance

6. The testing process is safe, reliable, and easy to operate

7. Customized mold forming refractory furnace with good insulation performance

8. By using high-quality strip heaters, the furnace temperature can be raised to 900 ℃

9. PLC+NAbview professional software provides real-time display of furnace temperature, sample center temperature, and sample surface temperature curves, enabling automatic control, data acquisition and processing, data storage, and output of measurement results.

10. The top is equipped with an observation mirror, which facilitates users to safely observe the combustion status of the samples inside the furnace.

2、 JCB-3 automatic layout building material non flammability tester parameters:

1. Furnace body specification: Φ 40cm, height 1.5m

2. 80/20 nickel chromium resistance strip specifications: thickness 0.2mm, width 3mm

3. Automatic sample adding device: 8cm in length, 8cm in width, and 83cm in height.

4. The sample basket travels on a track with a width of 2cm and a length of 38cm.

5. The extension range of the observation mirror is 0-30cm.

6. Sample specification: Φ 45 × 50 (mm).

7. The inner diameter of the heating furnace tube is 75mm ± 1mm, the outer diameter is Φ 90mm ± 1mm, the height is 150mm ± 1mm, and the power is about 2KW

8. Thermocouple: Nickel chromium nickel silicon armored thermocouple, outer diameter of 1.5mm, wire diameter of 0.3mm, heating wire power: 2KW

9. Temperature stabilization time inside the furnace: from room temperature to 750 ℃, the stability can be tested for about 1 hour

10. Install thermocouples inside the furnace, at the center of the sample, and on the surface of the sample;

11. 360 degree rotatable and adjustable thermocouple scanning device;

12. Stainless steel inverted conical air stabilizer and cylindrical guide cover;

13. The software automatically controls the heating rate and controls the furnace temperature in stages;

14. Operating environment: -5 ℃ -40 ℃.

15. Power supply voltage: AC220V ± 10%, 50Hz, current ≤ 10A

16. Stabilization time: from room temperature rise to 750 ° C ≤ 1h;

17. The heating source is an electric furnace preheated to 750 ± 5 degrees Celsius. The maximum temperature inside the furnace is 900 degrees Celsius, with a temperature of 750 ± 5 ° C. The temperature drift should not exceed 2 ° C within 10 minutes

18. Temperature measurement accuracy: ≤± 0.5 ℃.

19. Heating power: 800-1000W

20. Zui High Power: 1.5KW

21. Power heating voltage: adjustable from 0 to 100 V;

22. A central copper hammer device is required to calibrate the temperature inside the furnace, and the connected curves need to be within the standard required curve range

23. A furnace wall temperature calibration thermocouple is required to calibrate the furnace wall temperature using scanning thermocouples at three equal angles

24. The software includes current regression to determine temperature equilibrium conditions