Auxiliary device of electrical heating radiation tube
An auxiliary device and radiant tube technology, applied in the direction of ohmic resistance heating parts, heating elements, etc., can solve problems affecting production and use, mutual contact, high working temperature, etc., to prolong service life, reduce concave deformation, and improve service life Effect
Inactive Publication Date: 2013-11-27
QINGDAO NPA IND
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Problems solved by technology
[0004] The electric heating radiant tube uses electric heating elements to heat the electric radiant tube, installs the electric heating element in the electric radiant tube, and uses the principle of electrothermal radiation to heat the steel through the electric radiant tube for heat treatment. In order to improve the heating efficiency, the electric radiant tube The gap between the heating element and the electric radiant tube is only 8mm. The electric radiant tube works continuously for a long time, and the working temperature is as high as 900-1100℃. The electric radiant tube that works for a long time at high temperature will produce some deformation. The middle part of the tube is concave, and when the deformation is large, the electric radiant tube and the electric heating element are in contact with each other, which affects the production and use
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[0019] refer to Figure 1-Figure 2 , the auxiliary device of the electric heating radiant tube 3 of this embodiment, the electric heating radiant tube 3 is installed on the base of the furnace wall of the heating furnace, the auxiliary device includes a flange 2 and a central shaft 4, the flange 2 and the center The shaft 4 is respectively welded to the two ends of the electric heating radiant tube 3, and is installed on the base of the furnace wall of the heating furnace at the same time. There are 6 holes evenly distributed on the flange 2, and the 6 holes are evenly distributed on the flange 2, the hole diameter is 18.5mm. The auxiliary device for the electric heating radiant tube also includes a separate steel rod with a diameter of 16mm and a length of 500mm.
[0020] The electric heating radiant tube is above the furnace roll, and the steel plate is conveyed on the furnace roll. The electric heating radiant tube adopts the principle of electric heat radiation to heat th...
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The invention discloses an auxiliary device of an electrical heating radiation tube. The auxiliary device comprises a flange plate and a central shaft, the flange plate and the central shaft are welded at the two ends of the electrical heating radiation tube respectively and are meanwhile arranged on the base of the furnace wall of a heating furnace, six holes are evenly formed in the flange plate and are evenly formed in the outer circle of the flange plate, and the hole diameter is 18.5mm. The auxiliary device of the electrical heating radiation tube further comprises an independent steel bar, the diameter of the steel bar is 16mm, and the length of the steel bar is 500mm. The six holes are evenly formed in the outer circle of the flange plate, after the steel bar and the holes are matched and arranged, the electrical heating radiation tube is manually rotated at fixed periods, the downward concave deformation of the electrical heating radiation tube can be reduced in the long-term heating and using process, the service life of the electrical heating radiation tube is prolonged and can be prolonged by 30%-50%, and meanwhile working and production efficiency is improved.
Description
[0001] technical field [0002] The invention belongs to the technical field of radiant tube auxiliary devices, and in particular relates to an electric heating radiant tube auxiliary device for plate heat treatment. [0003] Background technique [0004] The electric heating radiant tube uses electric heating elements to heat the electric radiant tube, installs the electric heating element in the electric radiant tube, and uses the principle of electrothermal radiation to heat the steel through the electric radiant tube for heat treatment. In order to improve the heating efficiency, the electric radiant tube The gap between the heating element and the electric radiant tube is only 8mm. The electric radiant tube works continuously for a long time, and the working temperature is as high as 900-1100℃. The electric radiant tube that works for a long time at high temperature will produce some deformation. The middle part of the tube is concave, and when the deformation is large...
Claims
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IPC IPC(8): H05B3/06
Inventor 常维宁曲自荐
Owner QINGDAO NPA IND