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Muffle furnace

First, scope of application

The intelligent Muffle furnace is a new generation of high performance mechanical and electrical integration of intelligent products, suitable for coal, electric power, chemical, metallurgy, cement, geological exploration and medicine, scientific research and other industries and departments for coal industrial analysis, the instrument uses a microprocessor as the control center, touch keyboard input. Coal quality test, in strict accordance with the national standard GB212, GB5447, GB5449 relevant provisions, automatic completion of slow ash, fast ash, Roga index, bond index, volatile fraction and other determination.

Second, performance characteristics

• The microprocessor is used as the control center, the intelligent judgment method of the microprocessor is used to automatically adjust the pre-heating temperature, and the memory is stored to ensure the smooth completion of the test with a high degree of automation;
• PID control algorithm, temperature control accuracy is better than the national standard requirements, stable and reliable performance;
• Temperature control in line with the national standard GB212, GB5447, GB5449 provisions, with fast ashing method, slow ashing, volatile, bond index and other special heating procedures, superior performance, high control accuracy;
• With optional program, the user can set 20 periods of temperature control process according to the need, complete a variety of temperature curve control, widely used, simple operation;
• The LCD screen Chinese character display interface, man-machine interface is friendly. Display time, temperature and function at the same time;
• The new integrated furnace, good thermal insulation effect, fast heating speed, energy saving and significant energy saving, compared with the traditional Muffle furnace, saving time 1/2, saving energy 2/3;
• The overall design is reasonable, the service life is long, the use of new controllable chimney switch device, easy to operate;
• Beautiful shape, exquisite technology, strong and durable, not easy to deformation.

Third, main technical indicators

1. Temperature measurement range: 0℃ ~ 1000℃;
2. Studio size: 300*200*120mm, overall size: 680*550*650mm, volume: 7L;
3. Temperature measurement accuracy: ±1℃ with a grade I precision K-type thermocouple;
4. Temperature control accuracy: ±3℃ (within the range of 250℃ ~ 1000℃);
5. Thermocouple: nickel-chromium-nickel-silicon thermocouple (index number K);
6. Heating time: (room temperature ~ 850℃) ≤20min;
7. Ash determination precision in accordance with GB/T 212 4.4;
8. The precision of volatile matter determination conforms to the provisions of 5.6 in GB/T 212;
9. Power supply: AC220V±10% 50Hz±1Hz, power: 3.5kW;
10. Weight: about 50kg.