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Air electrical heating device

An electric heating and air technology, applied in the direction of air heaters, fluid heaters, lighting and heating equipment, etc., can solve the problems of low heating efficiency, unfavorable air outlet temperature maintenance, uneven heating area, etc., and achieve reasonable adjustment of wind speed Effect

Inactive Publication Date: 2017-12-12
JIANGSU ZHONGKUANG HEAVY EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The heating efficiency of the existing heating device is low, and the heating area is uneven, which is not conducive to maintaining the temperature of the air outlet

Method used

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  • Air electrical heating device
  • Air electrical heating device

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Embodiment Construction

[0018] see figure 1 and 2 , the electric heating air device of the present invention, it comprises air inlet section 1, heating section 2 and cavity outlet section 3; Described air inlet section 1 has a buffer film 11, is used to reduce the flow velocity of air, in described buffer film There is an air buffer cavity 12 between 11 and the heating section 2;

[0019] The air outlet section 3 has a temperature sensor 31, and the temperature sensor 31 is electrically connected to a temperature analyzer 5;

[0020] The heating section 2 is cylindrical, and includes a shell 21, a heat insulating layer 22, a heating layer 23 and a porous heating ceramic material from the outside to the inside. The heating layer 23 is provided with a spiral heating wire 24. The porous heating ceramic material is provided with a plurality of plate-shaped heating patterns 26 connected by a heating rod 25, and the spacing between the plurality of heating patterns 26 is sequentially from the air inlet s...

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Abstract

The invention provides an air electrical heating device which comprises an air inlet segment, a heating segment and an air outlet segment. The air inlet segment is provided with a buffering membrane which is used for lowering the flowing speed of the air, and an air buffering cavity is formed between the buffering membrane and the heating segment; the air outlet segment is provided with a temperature sensor, and the temperature sensor is in electric connection with a temperature analyzer; the heating segment is of a round barrel shape and comprises a shell body, a thermal-insulation layer, a heating layer and a multihole heating ceramic material from outside to inside in sequence; the heating layer is internally provided with a screwy heating wire, the multihole heating ceramic material is internally provided with a plurality of plate-shaped heating patterns, wherein the multiple plate-shaped heating patterns are connected through a heating rod; the heating rod is in electric connection with the heating wire and is electrically connected to an external controller; and the controller is in electric connection with the temperature analyzer, and the electrical heating power of the heating wire and the heating rod is controlled by testing the temperature of the air outlet segment.

Description

technical field [0001] The invention relates to a heating device for industrial production, in particular to an electric heating air device. Background technique [0002] The electric heating air device (air heater) is a new type of heating equipment specially used for the ash removal system of coal-fired power plants. wind heating etc. The heating efficiency of the existing heating device is low, and the heating area is uneven, which is not conducive to maintaining the temperature of the air outlet. Contents of the invention [0003] Based on solving the above problems, the present invention provides an electric heating air device, which includes an air inlet section, a heating section and a cavity outlet section; the air inlet section has a buffer film for reducing the flow velocity of the air, in the There is an air buffer cavity between the buffer film and the heating section; the air outlet section has a temperature sensor, and the temperature sensor is electrically...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24H3/00F24H9/18F24H9/20
CPCF24H3/002F24H9/1863F24H9/2071
Inventor 周宝华周国杰施占伟刘海明施泽荣袁晓宇
Owner JIANGSU ZHONGKUANG HEAVY EQUIP CO LTD
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