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Efficient electric radiant tube heater

A technology of electric radiant tube and heater, which is applied in the direction of ohmic resistance heating components and the shape of heating elements, etc., can solve the problems of reduced thermal efficiency of electric radiant tube heaters, reduce heat transfer, improve thermal efficiency and service life, and save energy Effect

Inactive Publication Date: 2018-03-09
王茂庭
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When in use, because the inside of the radiant tube is in a sealed state, the air in the radiant tube does not circulate, resulting in a decrease in the thermal efficiency of the electric radiant tube heater

Method used

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  • Efficient electric radiant tube heater
  • Efficient electric radiant tube heater

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Experimental program
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Embodiment Construction

[0016] The present invention will be further described below according to the accompanying drawings and in conjunction with the embodiments.

[0017] The high-efficiency electric radiant tube heater shown in the accompanying drawings includes a straight cylindrical radiant tube 1, a heater 2 arranged in the radiant tube 1, and a tube cover 3; the tube cover 3 is closed on the port of the radiant tube 1; There are an upper through hole 5 and a lower through hole 6 communicating with the inner cavity of the radiant tube 1 .

[0018] The radiant tube 1 is provided with two annular partition grooves 1.1 on the inner wall between the end of the heater 2 and the tube cover 3 .

[0019] The partition tank 1.1 is provided with a high-temperature resistant non-metallic material 4, and in this embodiment, the high-temperature resistant non-metallic material 4 is high-temperature resistant ceramic clay.

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PUM

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Abstract

The invention discloses a high-efficiency electric radiant tube heater, which comprises a straight cylindrical radiant tube, a heater arranged in the radiant tube and a tube cover; the tube cover is closed on the port of the radiant tube; The upper through hole and the lower through hole; the further improvement is: the radiant tube is provided with at least one annular partition groove on the inner wall between the end of the heater and the tube cover; the partition groove is provided with a high temperature resistant non-metallic material; The material is high temperature resistant ceramic mud. The air in the radiant tube of the invention can circulate, has high thermal efficiency and long service life; by blocking the transfer of heat on the radiant tube, the heating efficiency is significantly improved, energy loss is also significantly reduced, and energy is saved.

Description

technical field [0001] The invention relates to an electric heater, in particular to an electric radiant tube electric heater for electric heating furnaces. Background technique [0002] The electric radiant tube heater is an important part of the electric heating furnace. It generally includes a radiant tube and a heater installed in the radiant tube. The part corresponding to the axial direction of the radiant tube and the heater in the tube is the heating section. Play an effective radiant heating effect. The electric radiant tube heater in the prior art includes a radiant tube, a heater, and a tube cover, and the tube cover is closed on the port of the radiant tube. When in use, because the inside of the radiant tube is in a sealed state, the air in the radiant tube does not circulate, resulting in a reduction in the thermal efficiency of the electric radiant tube heater. Contents of the invention [0003] The invention aims at the deficiencies of the prior art, and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B3/42H05B3/02
CPCH05B3/42H05B3/02
Inventor 王茂庭
Owner 王茂庭
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