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Maintenance and precautions for high temperature muffle furnace

Maintenance and precautions for high temperature muffle furnace

 The muffle furnace cycle operation type is used for laboratory analysis, industrial and mining enterprises, scientific research units for elemental analysis and determination, and general small steel parts for quenching, annealing, tempering and other heat treatment. The high temperature Mafu furnace can also be used for sintering and dissolving metal and ceramics. , analysis and other high temperature heating.

1, should be placed on a solid cement countertop, there should be no flammable or explosive substances around

2. When melting the sample or burning the precipitate with alkaline substances in the furnace, the operating conditions should be strictly controlled. It is best to pre-layer a refractory plate on the bottom of the furnace to prevent corrosion of the furnace.

Maintenance and precautions:

1. When the muffle furnace is used for the first time or after long-term deactivation, it must be oven-dried. The oven should be at room temperature to 200 ° C for four hours. 200 ° C to 600 ° C for four hours. When using, the maximum furnace temperature should not exceed the rated temperature, so as not to burn the electric heating components. It is forbidden to infuse the furnace with various liquids and easily soluble metals. The muffle furnace is best to work below 50 °C below the maximum temperature, at which time the furnace has a long life.

2. The muffle furnace and controller must work in a location where the relative temperature does not exceed 85% and there is no conductive dust, explosive gas or corrosive gas. When a metal material such as grease is required to be heated, a large amount of volatile gas will affect and corrode the surface of the electric heating component, causing damage and shortening the life. Therefore, when heating, it should be prevented and sealed in a timely manner or properly opened to eliminate.

3. The muffle controller should be limited to use in the ambient temperature range of 0-40 °C.

4. According to the technical requirements, regularly check whether the wiring of each electric furnace and controller is good, whether there is any stuck stuck phenomenon when the indicator pointer moves, and use the potentiometer to check the instrument due to magnetic steel, demagnetization, wire drawing, and shrapnel. The increase in error caused by fatigue, balance damage, and the like.

5, the thermocouple should not be pulled out at high temperature to prevent the jacket from bursting.
high temperature muffle furnace

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