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Building Materials Non-combustible Test Furnace
First, the scope of use
The test furnace is developed according to the technical
specifications and requirements specified in the national standard
GB/T5464-2010, and is applicable to the test method for assessing
the combustion performance of building materials under laboratory
conditions. Suitable for testing the burning performance
classification of Class A fireproof materials in the burning
performance classification of building materials GB8624
Second, product features
1. Adopt microcomputer technology and thyristor technology to
adjust furnace temperature through power
2. The operation can be controlled on the touch screen, the degree
of automation is high, and the temperature inside the furnace, the
sample center and the sample surface are displayed and recorded
during the test, and the test step will automatically jump out of
the operation prompt.
3. Query historical curve to automatically judge temperature
balance
4. The test process is safe and reliable, and easy to operate.
5. Customized version of mold forming refractory furnace, good
thermal insulation performance
6. Using a high quality strip heater, the furnace temperature can
be raised to 900 °C
7. PLC+NAbview professional software displays the furnace
temperature, sample center temperature and sample surface
temperature curve in real time, which can realize automatic
control, data acquisition and processing, data storage and output
measurement results.
8. The top is equipped with a sight glass to allow the user to
safely observe the burning state of the sample in the furnace.
Tips: The non-combustible test furnace body has two kinds of round
and square, and the default is shipped according to the shop!
Third, the main technical parameters
1. Furnace size: Φ40cm height 1.5m.
2. 80/20 nickel-chromium resistance tape specifications: thickness
0.2mm, width 3mm.
3. Specimen size: Φ45×50 (mm).
4. The inner diameter of the heating furnace tube is 75mm±1mm, the
outer diameter is Φ90mm±1mm, the height is 150mm±1mm, and the power
is about 2KW.
5. Thermocouple: Nickel-chromium-nickel-silicon armored
thermocouple, outer diameter 1.5mm, wire diameter 0.3mm, heating
wire power: 2KW
6. Furnace temperature stabilization time: stable from room
temperature to 750 °C for about 1h
7. Place the thermocouple in the furnace, the thermocouple in the
sample center, and the thermocouple on the surface of the sample;
8. 360 degree rotatable and adjustable thermocouple scanning
device;
9. Stainless steel inverted cone air stabilizer and cylindrical
shroud;
10. The software automatically controls the heating rate and
controls the furnace temperature in stages;
11. Operating environment: -5 °C - 40 °C.
12. Power supply voltage: AC220V±10%, 50Hz, current ≤10A;
13. Stabilization time: from room temperature to 750 ° C ≤ 1h;
14. The heating source is an electric furnace preheated to 750±5
degrees. The maximum temperature in the furnace is 900 degrees, the
temperature in the furnace is 750±5°C, and the temperature drift is
not more than 2°C within 10 minutes.
15. Temperature measurement accuracy: ≤ ± 0.5 ° C.
16. Heating power: 800-1000W;
17. Maximum power: 1.5KW;
18. Power heating voltage: 0~100 V adjustable;
19. A central copper hammer device is required to calibrate the
temperature inside the furnace. The connected curves need to be
within the curve required by the standard.
20. A wall temperature calibration thermocouple is required to
calibrate the wall temperature with a scanning thermocouple at
three different angles
21. The software contains the current regression judgment
temperature equilibrium conditions
Fourth, design standards
GB/T5464-2010 GB/T8624 ISO1182 Fire response test for building
products---non-combustible test
Forth, with the goods list
1, the furnace body 1
2, control box 1
3, hanging basket 1
4, low tray 1 (on the lower end of the furnace)
5, the connection line 1
6, instructions 1
7, Certificate 1