Sealing device for industrial furnace

Abstract

The invention relates to the technical field of industrial furnace sealing equipment, in particular to a sealing device for an industrial furnace. The sealing device comprises a sealing door frame, a sealing door, a fixing lock, a rotating shaft, sliding rods and sealing rods. The sealing door frame is fixed to one side of an industrial furnace body. One side of the sealing door is rotationally connected with the sealing door frame. The fixing lock is used for fixing the sealing door and the sealing door frame. The rotating shaft is arranged in the center of the sealing door and perpendicularly penetrates the sealing door. The end, located on the inner side of the sealing door, of the rotating shaft is provided with a rotation gear. The sliding rods are arranged on the periphery of the inner side of the sealing door. A rack is arranged on the surface of one end of each sliding rod and is engaged with the rotation gear. The other end of each sliding rod is perpendicularly connected with the corresponding sealing rod. The sealing rods are used for sealing the seams of the sealing door frame and the sealing door. A concave sliding way is arranged on the face, opposite to the sealing door, of each sliding rod, and corresponding convex sliding rails are arranged on the sealing door, wherein the concave sliding ways are connected with the convex sliding rails in a sliding manner. The sealing device is opened and closed manually, so that operation conducted by personnel on the field is facilitated, and the sealing effect of the industrial furnace is improved.

Description

technical field [0001] The invention relates to the technical field of industrial furnace sealing equipment, in particular to a sealing device for industrial furnaces. Background technique [0002] In various furnace types, the airtight door is mainly used to seal the filling port during the non-filling period of the furnace, so that the gas inside the furnace cannot leak from the filling port, keep the gas inside the furnace from leaking from the filling port, and keep the atmosphere in the furnace relative. It is stable and effectively protects the internal heat leakage of the furnace and reduces heat loss. [0003] Most of the currently used hermetic doors are hinged to make the furnace door hermetic. However, due to the different surface roughness of the outer wall of the furnace, the use of this sealing method will easily cause a large number of gaps at the contact position between the hermetic door and the outer wall of the furnace, resulting in gas leakage inside the ...

AI Technical Summary

Problems solved by technology

[0003] Most of the currently used airtight doors are hinged to make the furnace door airtight. However, due to the different surface roughness of the outer wall of the furnace, the use of this sealing method will easily cause a large number of gaps at the contact position between the airtight door and the outer wall of the furnace, resulting in gas leakage inside the furnace.

If the gap is too large, flames may even emerge from the gap, resulting in an imbalance in the gas composition inside the furnace, affecting the accuracy of experimental research and the productivity in actual production

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