Main technical parameters of coal spontaneous combustion tendency determination instrument

Coal Spontaneous Combustion Tendency Tester Main Technical Parameters
1. The instrument features large-screen button operation and a dual gas path stabilization design for pressure and flow.
2. Equipped with gas interruption/leakage protection and Chinese prompt function, maximizing protection of TCD tungsten filament from damage;
3. Features power-off protection, automatically memorizing set parameters.
4. Includes anti-power surge interference function and stopwatch timing function;
5. Equipped with over-temperature protection; automatically cuts off power and alarms when temperature exceeds the set upper limit.
6. Dedicated workstation for coal spontaneous combustion tendency with a hardware dongle; can upload analysis results and generated reports to the host computer, featuring four communication interfaces: RS232, RS485, Ethernet, and diagnostic interface, with communication protocols available for users.
7. Measurement method: Chromatographic oxygen absorption method;
8. Number of sample tube measurements: 4 groups (expandable to 8 channels);
9. Sampling method: Automatic sampling, computer-controlled sample injection pipeline;
10. Measurement range: Oxygen absorption 0.05ml-4ml (milliliters)/g (coal);
11. Measurement error: ≤5%;
12. Baseline drift: ≤0.6mv/hr;
13. Sensitivity: ≥10mv/ml (N2 carrier gas, O2 peak height);
14. Thermal conductivity cell is a single-filament micro-cell with high sensitivity, S≥15000mv.ml/mg;
15. Temperature control: Column oven: 0℃～450℃, temperature control accuracy 0.1℃, 7-stage programming, programming rate: 0.1～180℃/min, Injector: 0～450℃, Detector: 0～450℃;
16. Gas path controlled by MEPC (Electronic Pressure/Flow Control);
17. Power supply: 220V±20%, 50Hz±0.5; Power consumption: 2200W

ZRJ-2000 Coal Spontaneous Combustion Tendency Tester
Meets the requirements of GB/T 20104-2006 "Determination of Coal Spontaneous Combustion Tendency by Chromatographic Oxygen Absorption Method".

Zhengzhou Aidi produces and supplies coal drill cuttings desorption instruments, deep hole sampling devices, pressure gauges, geological exploration desorption instruments, borehole flow meters, mine gas extraction and outburst prevention equipment, coal true density testers, gas content testers, automatic initial gas emission rate testers, diffusion rate testers, coal gas extraction pipeline gas parameter instruments, borehole coal powder circulation devices