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High temperature trolley furnace

2020-08-18 08:45:56
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Detailed :

High temperature trolley furnace:

The high-precision high-temperature trolley hearth furnace is a super energy-saving trolley furnace produced in accordance with the national military standards. It has a precise structure, adopts composite fiber whole fiber insulation, has good energy-saving power-saving effect. The high-precision trolley furnace adopts multi zone multi-stage heating elements, Multi zone temperature control, multiple microcomputers, high-precision program temperature control, temperature control accuracy ± 1 ℃, can automatically accurately execute various heat treatment process curves. It is mainly used for heat treatment of steel castings iron castings with high requirements for furnace temperature uniformity temperature accuracy, as well as precision mechanical parts.

The structure of high-precision high-temperature trolley hearth furnace is as follows:

Furnace body lining: the shell of high-precision high-temperature trolley furnace is welded by steel plate section steel, light vacuum ball energy-saving brick high-purity fiber composite lining are adopted, all ceramic fiber insulation furnace lining is adopted, heavy anti-collision brick heavy high-aluminum anti pressure brick for trolley surface layer are adopted for furnace mouth.

Trolley: the labyrinth refractory is used between the trolley furnace body the trolley, the self acting sealing mechanism is used to reduce the heat loss temperature uniformity of the trolley furnace. The bottom of the furnace body is connected with the trolley light rail, so the user does need to install the foundation, but only needs to place it on the flat cement ground.

Furnace door: the lifting of furnace door is realized by rolling the rolling wheel up down on the guide rail, which only ensures the sealing of furnace door when closing the furnace door, but also ensures that the masonry will be damaged by friction in the process of opening. The movement of furnace door trolley is provided by the motor through worm gear reducer chain drive, is equipped with electromagnetic brake for proper adjustment.

Heating element: the material is universal silicon carbide rod, the service temperature of the element is 1300 ℃.

Furnace bottom plate: chromium manganese nitrogen heat-resistant steel furnace bottom plate 1200 ℃ silicon carbide furnace bottom plate is installed on the trolley to carry workpiece.

Temperature control system: our company designs high-precision high-temperature trolley furnace with microcomputer three more area program automatic temperature control cabinet. Three more area microcomputers are used for high-precision automatic temperature control furnace door trolley operation control for each zone. There are three more microcomputers on the temperature control cabinet, a multi-channel color screen paperless automatic recorder, mainly for automatic control recording of furnace temperature Record. The temperature control cabinet mainly uses microcomputer fuzzy logic operation PID operation to automatically control the temperature of the car furnace with high precision non-contact 8-section program, so that the temperature program curve of the heat treatment process set by the user of the trolley furnace can run, the heat treatment process automation can be realized. The temperature control accuracy is ± 1 ℃.

In order to improve the uniformity of furnace temperature, the high-precision high-temperature trolley hearth furnace adopts three zone heating, the heating elements are arranged according to the uniform temperature wire distribution method. In order to compensate the heat loss at the furnace mouth, the layout range of heating elements in zone I, II III is different, so that the uniform temperature of three zones can be kept consistent in the heating insulation process of high-precision high-temperature trolley furnace. The uniformity of furnace temperature can reach ± 3-5 ℃.



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