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Efficient and energy-saving type electric radiant tube heater

A technology of electric radiant tubes and heaters, applied in the direction of furnace heating elements, etc., can solve the problems of energy waste and low heating efficiency, and achieve the effects of reducing energy loss, high heating efficiency, and saving energy

Inactive Publication Date: 2014-10-15
江苏华海冶金机械设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The radiant tube of the electric radiant tube in the prior art is a straight tube with equal wall thickness. The structure of the electric radiant tube with this structure is simple and easy to manufacture. However, when heating, since the radiant tube is a straight tube with equal wall thickness, the heater The heat is transferred to the entire radiant tube, not only the heating section of the radiant tube is heated by external radiation, but also the other parts of the radiant tube except the heating section are also heated by external radiation, resulting in a lot of energy waste and low heating efficiency

Method used

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  • Efficient and energy-saving type electric radiant tube heater
  • Efficient and energy-saving type electric radiant tube heater

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Embodiment Construction

[0017] The present invention will be further described below according to the accompanying drawings and in conjunction with the embodiments.

[0018] The high-efficiency and energy-saving electric radiant tube heater shown in the accompanying drawings includes a straight cylindrical radiant tube 1, a heater 2 and a flange 3 arranged in the radiant tube 1; the radiant tube 1 is located between the end of the heater 2 and the flange 3 At least one annular partition groove 1.1 is provided on the inner wall of the room, and in order to obtain a better blocking effect, the bottommost partition groove 1.1 is arranged at an axial position corresponding to the end of the heater 2; in this embodiment, the radiant tube 1 Two annular partition grooves 1.1 are provided on the inner wall between the end of the heater 2 and the flange 3 . In order to improve the partition effect, the present invention provides a high-temperature-resistant non-metallic material 4 in the partition groove 1.1....

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Abstract

The invention discloses an efficient and energy-saving type electric radiant tube heater which comprises a straight tubular radiant tube, and a heater and a flange which are arranged in the radiant tube. The radiant tube is provided with at least one annular partition slot on the inner wall between the end portion of the heater and the flange. The further improvement is that a heat-resisting nonmetallic material is arranged in the partition slot. According to the invention, by blocking the heat transfer on the radiant tube, the heating efficiency can be significantly improved, and the energy consumption is significantly reduced.

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 radiant tube of the electric radiant tube in the prior art is a straight tube with equal wall thickness. The structure of the electric radiant tube with this structure is simple and easy to manufacture. However, when heating, since the radiant tube is a straight tube with equal wall thickness, the heater The heat is transferred to the whole radiant tube, not only the heating section of the radiant tube is heated by external radiation, but also the other parts of the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B3/64
Inventor 冯海庆
Owner 江苏华海冶金机械设备有限公司
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