Heat treatment furnace is a kind of equipment that is often seen in the metallurgical processing industry. This heat treatment furnace plays a very important role, and there are many different classifications of this heat treatment furnace that can be used according to different use environments. Let's learn about Wuhan heat treatment with Kehua. Furnace classification introduction. Wuhan heat treatment furnace 1. Heat treatment furnace Heat treatment furnace is a general term for industrial furnaces that perform various metal heat treatments on metal workpieces. The temperature is generally lower than that of the heating furnace. The heat treatment furnace can use various furnace types, but requires stricter control of furnace temperature and furnace atmosphere. Most of the heat treatment furnaces are heated by gas fuel. In order to accurately control the furnace temperature, some heat treatment furnaces are heated by electricity. Modern heat treatment (especially chemical heat treatment) processes are becoming more and more complex, and there are many forms of heat treatment furnaces. For the continuous heat treatment process, a suitable continuous heat treatment furnace must be equipped; for the heat treatment process of periodic work, a controlled atmosphere of forced circulation and the operation of the furnace should be mechanized and automated. 2. Introduction of Kehua manufacturers Guangzhou Kehua Technology Co., Ltd. aims to 'produce energy-saving and environmentally friendly induction heating equipment to save users moneyThe full range of high-frequency induction heating equipment manufactured include: intermediate frequency Induction melting furnace
, super audio frequency heating machine, ultra high frequency heating equipment and supporting medium frequency diathermy forging furnace, CNC quenching machine tool, chiller and related supporting equipment, which are widely used in metal processing. Industries, such as metal preheating, high frequency welding (brazing), diathermy forming, quenching, annealing, heat shrinking and other processes, all products can be customized according to customer process requirements. 3. Furnace classification Bell furnace is a kind of heat treatment furnace that works periodically in which the object to be heated is heated in the hood. Mainly used for the annealing treatment of sheet stacks or steel coils, the bell furnace is usually composed of an outer hood, an inner hood and a hearth. The object to be heated is placed in the inner cover (muffle cover), and heat is supplied between the inner cover and the outer cover. Generally, a controlled atmosphere is introduced into the inner cover. After the heating, heat preservation and slow cooling process are completed, the outer cover is lifted, and the plate stack or steel coil is cooled in the inner cover; after cooling to a given temperature, the inner cover is removed, the plate or steel coil is cooled in the air, and then unloaded . Figure 1 is a bell-type annealing furnace for processing thin plate stacks, and the burner is installed on the hearth. There are two types of bell-type furnaces for processing cold-rolled steel coils: single-stack type and multi-stack type. The multi-stack type can put 2~8 stacks of steel coils on a rectangular furnace table, and each stack is buckled with a separate circular inner cover. A circulating fan is installed at the lower part of the inner cover to strengthen the control atmosphere and promote the convective heat transfer between the steel coils. The roller hearth furnace uses rollers in the furnace to transport the heat-treated materials. A roller is installed at a certain distance along the entire length of the furnace. The material runs on the rollers. Burners can be arranged in the furnace above and below the rollers for heating (Figure 2). . There are two types of rollers: ring rollers (with disc-shaped roller rings) and flat rollers. The former can only be used to heat plates, and the latter can be used to heat plates, profiles, pipes and bars. The material of the outer roll sleeve of the roll is usually heat-resistant steel, and some also use silicon carbide. High temperature furnaces (1000~1150℃) use heat-resistant steel furnace rolls with water-cooled shafts and heat-insulating linings, or fully water-cooled furnace rolls. In order to prevent the furnace rollers from bending, the rollers working at high temperature must rotate continuously; when the furnace is empty or out of material, it should also swing or rotate at a low speed of 0.5~1.5 revolutions per minute. The roller hearth furnace is widely used in normalizing, annealing, quenching, tempering and other heat treatment processes due to the heating on both sides of the material. Chain furnace is a conveyor belt type heat treatment furnace, which uses chains as conveyor belts to transport workpieces. A chain furnace for heating and normalizing thin slabs before rolling, the chain is generally set in the groove under the furnace, and the 'furnace claws' made of heat-resistant steel or heat-resistant cast iron are installed between the chain links. Place thin slabs or sheets. Usually, the steel can be heated to 900℃, and the furnace length does not exceed 25 meters. In non-ferrous metal processing, mechanical heat treatment furnaces, enamel and other industries, chain furnaces are also commonly used for heat treatment of various workpieces and mold drying. In some chain furnaces, the chain is installed on the top or side of the furnace, and the hook or boom is extended into the furnace through the gap to hang the workpiece. In some low temperature heat treatment furnaces, the chain is installed in the furnace, and the workpiece is directly heated on the chain. Wuhan Heat Treatment Furnace The classification of Wuhan heat treatment furnace Kehua has been introduced very clearly to us. In fact, Kehua is a professional manufacturer specializing in the production of such large heat treatment furnaces, which has always been very popular.
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