Large graphite furnace

 Uses: used in ultra-high temperature furnace within 3000 ℃, for a variety of high thermal conductivity of graphite film (PI film), lithium battery cathode material, carbonized carbonized carbon material production of carbon and graphite materials, graphite technology; carbon fiber filament graphite and other stereotypes of environment can be sintered at a carbon material. Highest temperature: 3000 ℃, 2850 ℃ commonly used temperature working atmosphere: vacuum replacement Ar2, N2 protection (positive pressure) temperature measurement: infrared optical temperature measurement range 1000 ~ 3000 ℃ or 0 ~ 3000 ℃; temperature measurement accuracy : 0.2 to 0.75%. Temperature control: process control and manual control; control accuracy: ± 1 ℃ induction heating equipment using frequency power supply, high efficiency: The unique furnace design, greatly improving the temperature uniformity. Speed ??limit temperature: 200 ℃ / min (space heaters, depending on the volume and the furnace hot zone structure may be) temperature uniformity of ± 15 ℃, temperature control accuracy of ± 1 ℃. Low energy consumption double alumina insulation materials, fire-resistant insulation effect, heat loss, heating speed. The bottom of the vulnerability of long service life of the crucible pad has high strength composite felt hard to ensure that graphite crucible at high level even by force, it is 1.3 times the life of similar products. Exclusively designed furnace explosion-proof valve has a high degree of safety, security and reliability. A high degree of automation equipment, fully automated control, intuitive touch-screen display various parameter data, sound the alarm and lock down protection device. Water, electricity and automatic control, easy operation and simple. 2, power supply cabinet fully enclosed structure, the cabinet comes with a water-cooled and air-cooled radiator, no heat exchange with the outside air generation, advanced temperature control system, imported intelligent digital temperature control table, with PLC data communication, Automatic temperature control accuracy to complete the process, the system temperature curve according to a given temperature, and can store a total of 400 segments twenty different process heating curve. 3, in a closed loop water cooling systems; digital traffic control system, each way water monitoring and protection by the meter. 4, Chinese Academy of Sciences R & D, production of high-performance gas purification machines, gas oxygen content can be reduced to 1PPMV, dew point temperature can be reduced to -70 ℃. 5, furnace conversion using our special high-performance IF converter, to avoid the traditional contactor ignition and other bad phenomenon. 6. The heating time and process requirements, can be a single power supply cabinet configure multiple furnace, respectively, a single furnace to achieve complete separate heating and cooling, greatly improving production efficiency. The main technical parameters Model Specification (diameter × height mm) IF frequency power supply frequency Hz power Kw maximum working temperature ℃ ultimate vacuum pressure rise rate Pa Pa / h temperature zone temperature difference ℃ Φ900 × 1600 800 1000 2850 1.2 × 10-1 2 ± 15