Keywords: industrial furnace, cold working, workpiece, temperature, furnace,

　　Comparison between industrial furnace and cold working

　　Cold working refers to the cutting of metal, that is, cutting tools are used to remove excess metal layers from metal materials or workpieces, so that the workpiece can obtain a processing method with a certain shape, dimensional accuracy and surface roughness. Such as turning, drilling, milling, planing, grinding, broaching, etc. In metal technology, corresponding to hot working, cold working refers to the processing technology of plastic deformation of metal below recrystallization temperature, such as cold rolling, cold drawing, cold forging, stamping, cold extrusion, etc. There is an essential difference between industrial furnaces and cold working.

　　Industrial furnace is the 1 kind of high-temperature equipment, which is closely related to fuel oil, gas, electric energy, dust, etc., and is easy to cause fire, burn, explosion, poisoning, electric shock and other accidents. Therefore, industrial furnaces are much more unsafe than general cold working equipment.

　　Generally speaking, the high temperature of industrial furnace operation is prone to burns, burns and burns. High temperature molten salt and molten metal will explode when they meet water. Gas and controllable atmosphere are explosive gases. Oil lines, oil tanks and oil depots are flammable and explosive facilities. If used, explosion and poisoning accidents will occur; the safety protection device of the electric furnace fails, and electric shock will occur after contact; Cyanide in the cyanide furnace is highly toxic; Spontaneous combustion will occur when the nitrate furnace is heated to above 550 ℃; Explosion will occur when nitrate salt is combined with charcoal and carbon black.

　　Industrial furnace repair environment is poor, many repair work is carried out in the furnace, the space is very crowded, natural lighting is insufficient, ventilation conditions are very poor. Workers are not only affected by dust during operation, but also directly affected by high temperature, smoke, toxic gases and corrosion of chemical materials. Some furnaces (such as cupola) are as high as 10m & mdash;20m, due to the narrow site of the furnace body, the repair work is high-altitude three-dimensional cross, multi-layer operation, which is very dangerous. Therefore, when operating and maintaining industrial furnaces, great attention should be paid to safety issues. Especially when organizing industrial furnaces, we must attach great importance to safety issues. Especially in the organization of industrial furnace repair or hot repair, more attention should be paid to these unsafe factors may cause the unfortunate accident.

　　By comparing the two different processing methods, industrial furnace is easy to cause safety problems in the processing process, but the efficiency of industrial furnace processing is higher than that of cold processing. Therefore, we should pay attention to safety and take safety precautions when using industrial furnace.

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