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Tunnel kiln

A tunnel furnace and furnace body technology, which is applied in the field of tunnel furnaces, can solve the problems of reducing the heating efficiency of tunnel furnaces, heat waste, and the inability to place too many heating parts, and achieve the effects of improving heat utilization, reducing energy consumption, and flexible control

Inactive Publication Date: 2017-10-27
刘义
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Problems solved by technology

[0004] In this utility model, the machine table is fixed on the supporting frame, which means that the distance between the surface of the machine table and the furnace top of the tunnel furnace is very small, and too many heating elements cannot be placed on the table surface per unit area, which will greatly reduce the tunnel furnace The heating efficiency will also cause the waste of heat

Method used

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Embodiment 2

[0026] see Figure 3-Figure 4 , a tunnel furnace, comprising a furnace body 1, the outside of the furnace body 1 is provided with a heat supply device 2 using natural gas as a heat source, and the heat supply device 2 communicates with the inside of the furnace body 1 through a heat supply pipeline 3, so The furnace body 1 is provided with a workpiece transmission device 4 inside, and the workpiece transmission device 4 includes a truck 5 provided with multi-layer trays and a track 6 that is convenient for the truck 5 to walk. 5 has a slightly wider chute at the bottom of the pulley, and an annular suspension rail 9 is arranged above the truck 5. The suspension rail 9 wraps one side of the furnace wall of the tunnel furnace, and the continuously variable speed motor that provides power for the suspension rail 9 is installed in the On the track of the suspension rail 9 outside the furnace, catenary push rods 10 are evenly distributed on the suspension rail 9, and a stop bar 11 ...

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Abstract

A tunnel furnace, comprising a furnace body, the outside of the furnace body is provided with a heating device, the heating device communicates with the inside of the furnace body through a heating pipe, and the inside of the furnace body is provided with a workpiece transmission device, which is characterized in that : the workpiece transmission device includes a truck provided with multi-layer trays, a track that is convenient for the truck to walk, and a transmission device installed above or below the truck to assist the movement of the truck. The invention improves the heat utilization rate of the tunnel furnace, and the heating efficiency is also greatly improved. The track and the conveying device matched with the truck not only make the truck travel more convenient, but also can adjust the forward speed of the truck as required. Speed, to ensure the best heating and cooling effect of the workpiece.

Description

technical field [0001] The invention relates to the field of heating devices, in particular to a tunnel furnace. Background technique [0002] Tunnel furnace is a commonly used automatic production line equipment for heating and preheating semi-finished or finished products. With the development of science and technology and industry, tunnel furnaces of various models and sizes emerge in endlessly, but large tunnel furnaces are used for heating large semi-finished products. Furnaces are relatively rare, mainly because it is difficult to solve the heating uniformity problem of large tunnel furnaces. The larger the furnace cavity of the tunnel furnace, the worse the heating uniformity and the worse the heating effect. Therefore, how to solve the heating problem of the wide furnace cavity tunnel furnace The problem of uniformity becomes the first problem to be solved in the manufacture of large-scale heating tunnel furnaces. [0003] Chinese Patent Authorization Announcement N...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F27B9/26F27B9/30
CPCF27B9/262F27B9/30
Inventor 刘义
Owner 刘义
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