Preparation work before opening of continuous carburizing furnace

Preparation work before opening of continuous carburizing furnace

1. Remove the carbon black in the furnace tank and check the sealing gasket.

2. Check the circulating fan and motor, add grease to the bearing, and pass water to the cooling water jacket.

3. Check the position of the thermocouple and the hydraulic lifting mechanism.

4. Check the titrator, methanol, kerosene storage.

Use of continuous carburizing furnace

The sealed fan for the furnace is installed on the furnace cover to stir the atmosphere in the muffle tank and make the composition uniform, and at the same time, the furnace temperature tends to be uniform. There are also three process pipes on the furnace cover leading into the muffle tank of the furnace: a three-head stainless steel dripper is installed at the top of a sleeve, and methanol, kerosene or other organic liquids are dripped into the furnace from the three-head dripper. Various liquids can be adjusted. The ammonia hole on the sleeve can be used to transport ammonia gas into the furnace for carbon and nitrogen co-infiltration (the nozzle can be closed when not nitriding); one sleeve is a sampling tube , A pipe joint on the upper part of the casing can be connected with a "U"-shaped glass tube pressure gauge. It is used to monitor the furnace muffle tank to maintain the furnace pressure and ensure the normal progress of carburizing or carbon and nitrogen co-infiltration. Made of heat-resistant steel (casting). The heating element is spirally wound by electric heating alloy wire and installed on the inner wall of the furnace lining. The temperature of the carburizing furnace is transmitted to the automatic temperature control cabinet through the compensation wire by the thermocouple inserted into the furnace, and the temperature is controlled by the thermocouple inserted into the furnace. The cabinet automatically controls, regulates and records the heating temperature in the furnace. The carburizing furnace is equipped with a cooling barrel (optional) to store the processed parts, and a sand sealing groove is provided on the lid of the barrel. .

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