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Structure analysis of protective atmosphere mesh belt furnace

2020-05-13 13:59:51
times

In life work, protective atmosphere mesh belt furnace has brought us too much convenience contribution. In fact, these can be attributed to the special structure of the atmosphere belt furnace.

The protective atmosphere mesh belt furnace is heated by IGBT ultra audio frequency induction heating power. Compared with the traditional resistance atmosphere heating protective atmosphere mesh belt furnace, it has the characteristics of fast heating, less heat consumption, long life, easy maintenance operation, low labor intensity open use. Long preheating time can effectively save cost shorten delivery time.

The protective atmosphere mesh belt furnace consists of three parts: furnace body, mesh belt transmission system temperature control system. The furnace body is composed of feeding section, preheating section, heating section, slow cooling section, water cooling section discharging section. The mesh belt transmission system is composed of high temperature resistant mesh belt transmission device. The running speed of mesh belt is regulated by frequency converter. Equipped with digital display belt speed measuring device, can directly read the belt speed. The temperature control system is composed of infrared thermometer, digital display intelligent PID regulator IGBT, forming a closed-loop control system, which can realize automatic accurate temperature control. The intelligent type includes PLC electrical control system touch screen display (the interface can be reserved for easy upgrade).

The furnace body is separated the upper part the lower part, which is easy to be assembled disassembled. The electric heating element of the protective atmosphere mesh belt furnace is plug-in type. Easy to replace, the whole set of equipment automation, easy to operate, save manpower. It is also equipped with a manual device for easy maintenance.

The protective atmosphere of mesh belt furnace is usually divided into three zones: preheating zone, heating zone heat preservation zone.

There are two types of furnaces, with without furnaces. The furnace with tank has good sealing performance, low gas consumption, the electric heating element furnace lining are affected by the gas in the furnace. The main disadvantages are the high cost long life of the furnace. The protective atmosphere of fans in the furnace is mesh belt furnace. The furnace body without boiler is simple in structure easy to install fan. The main disadvantages are poor air tightness high gas consumption. The furnace lining is mainly made of light brick refractory fiber, the box type resistance furnace lining structure has developed into assembly type building block type structure. The upper cover of the furnace shell is often made to be detachable for easy maintenance. The protective atmosphere of the electric heating element has a water tank. The mesh belt furnace mainly uses the resistance wire wound on the mandrel the single side inserted sleeve structure. They are arranged on both sides of the furnace, horizontally. Metal silicon carbide radiant tubes can be used in the mesh belt furnace shell without tank protective atmosphere


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