Protection device capable of prolonging service life of radiant tube
A technology of protection device and radiant tube, applied in the directions of gas fuel burner, combustion method, combustion type, etc., can solve the problem of easy damage of the tube body, and achieve the effects of convenient use, improved service life and simple structure
Pending Publication Date: 2020-02-21
SUZHOU LONGRAY THERMAL TECH
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Problems solved by technology
The tube body on the combustion side with a higher temperature will have a certain amount of deformation due to the principle of thermal expansion and contraction, and the tube body on the non-combustion side will be easily damaged by the deformation for a long time. Protective device for service life
Method used
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[0019] The present invention will be further described in detail below in conjunction with the accompanying drawings, so that those skilled in the art can implement it with reference to the description.
[0020] Such as Figure 1 to Figure 3 As shown, the present invention provides a protective device that can improve the service life of the radiant tube. The protective device is arranged at the low temperature port of the radiant tube 20, including: the radiant tube 20 with a temperature difference in the tube body, and the radiant tube 20 penetrates the steel structure 80 and the port of the radiant tube 20 is located above the steel structure 80; the upper panel 50 fixedly arranged on the outer wall surface of the port of the radiant tube 20; the lower panel 60 fixedly arranged on the steel structure 80 and located below the upper panel 50; At the port of the radiant tube 20 and between the upper panel 50 and the lower panel 60, the telescopic member 70 is used to compensat...
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The invention discloses a protection device capable of prolonging the service life of a radiant tube. The protection device comprises the radiant tube, an upper panel, a lower panel and a telescopic part, wherein there is a temperature different between different parts of a tube body of the radiant tube, the radiant tube penetrates through a steel structure, and an end opening of the radiant tubeis located above the steel structure; the upper panel is fixedly arranged on the outer wall face of the end opening of the radiant tube; the lower panel is fixedly arranged on the steel structure andlocated below the upper panel; the telescopic part is arranged at the end opening of the radiant tube, located between the upper panel and the lower panel, and used for compensating for the deformation amount of the radiant tube in the axial direction due to thermal expansion and contraction; and the top of the telescopic part is connected with the upper panel, and the bottom of the telescopic part is connected with the lower panel. By means of the protection device, the service life of the radiant tube can be effectively prolonged, and the protection device has the advantages of being simplein structure and convenient to use.
Description
technical field [0001] The invention relates to the technical field of metallurgical equipment, in particular to a protection device capable of improving the service life of a radiation tube. Background technique [0002] The radiant tube is a heating device that uses the heat generated by the combustion of the combustion gas in the tube to transfer heat to the heated object through the heated tube surface in the form of thermal radiation. In order to ensure the temperature uniformity and radiation range during the heat transfer process in the radiant tube, the radiant tube mostly adopts U-shaped and W-shaped structures. Usually one end of the radiant tube is equipped with a nozzle. When the nozzle is working, the temperature difference between the burning end and the non-combusting end of the radiant tube is relatively large, and the radiant tube will have a problem of uneven temperature along the flow direction of the combustion gas. This problem becomes more pronounced a...
Claims
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IPC IPC(8): F23D14/12F23D14/46
CPCF23D14/125F23D14/46F23D2203/005
Inventor 杨光勇张澍段豫杭余广松陈景阁
Owner SUZHOU LONGRAY THERMAL TECH