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One type of nortai atmosphere furnace uses 1700 type silicon molybdenum rod as heating element, adopts double-layer shell structure and 30 or 50 section program temperature control system, phase-shifting triggering and silicon controlled. The furnace uses 1700 type aluminum oxide polycrystalline fiber material, and the air cooling system is equipped between the double-layer furnace shells, which can rapidly rise and fall the temperature. The shell is sealed as a whole, the cover plate and the furnace door are sealed with high-temperature silicone rubber plate, and the furnace door is equipped with a water cooling system, After passing through the flowmeter, the gas enters from the back chamber, and there are several inlet ports for washing the furnace. The outlet port has a burner, which can pass argon, nitrogen and other gases, and can also be filled with hydrogen with a gas content less than 5%, and can be pre evacuated. The furnace has the advantages of balanced temperature field, low surface temperature, fast temperature rise and fall rate, energy saving and so on. It is an ideal product for universities, scientific research institutes, industrial and mining enterprises to do atmosphere protection sintering and atmosphere reduction.
The rated temperature of the atmosphere furnace is 1100 ℃, 1400 ℃, 1500 ℃ and 1650 ℃ respectively. According to different atmospheres and temperatures, different heating elements are used. The models are complete, safe and reliable. At the same time, it can be specially manufactured for different process experiments. The complete supply range of the atmosphere furnace includes temperature controller, flowmeter, pressure reducing valve, thermocouple, compensation wire, etc. The temperature control is controlled by thyristor, and 40 segment PLD advanced programmable temperature automatic control. It has the protection function of over temperature alarm and strictly controls the firing process of the product.
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