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Explosion-proof electric heater

A technology of electric heaters and electric heating elements, applied in water heaters, fluid heaters, lighting and heating equipment, etc., can solve problems such as failure to meet explosion-proof requirements, unstable heating temperature, corrosion of explosion-proof sealing surfaces, etc. Fast speed, good heating effect, and the effect of ensuring long service life

Active Publication Date: 2017-02-15
ANBANG ELECTRICAL GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The explosion-proof electric heater in the prior art has poor sealing performance. As the use time increases, the explosion-proof sealing surface gradually corrodes, and finally water seeps into the explosion-proof chamber, making it unable to meet the explosion-proof requirements. In severe cases, electrical sparks will be generated, damaging The entire electric control system causes losses, and the existing explosion-proof electric heater has poor heating effect on the fluid, and the heating temperature is unstable

Method used

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Examples

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Effect test

Embodiment Construction

[0020] refer to figure 1 , figure 2 , image 3 , the present invention proposes an explosion-proof electric heater, including a container body 1, a container cover 2, a plurality of first connectors 3, an explosion-proof junction box 4, an explosion-proof cover 5, a plurality of second connectors 6, and a plurality of sleeves 7 , a plurality of electric heating elements 8, wherein:

[0021] The container body 1 is a cylinder structure with one end open. A heating chamber is arranged inside the container body 1. The container body 1 is provided with a medium inlet 101 and a medium outlet 102 connected with the heating chamber. The outer side of the container body 1 is wrapped with a layer of insulation layer. The layer is made of glass fiber or asbestos material. The container cover 2 is installed on the open end of the container body 1, and is used to seal the heating chamber. The inner side of the container cover 2 is provided with a thermal insulation board 13, and the i...

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PUM

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Abstract

The invention provides an explosion-proof electric heater. The explosion-proof electric heater is characterized in that a heating cavity is formed in a container body; a first circular clamping groove of which the radius is matched with that of the container body is formed in the inner side of a container cover; the open end of the container body is clamped in the first circular clamping groove; a second circular clamping groove of which the radius is matched with that of an explosion-proof junction box is formed in the inner side of an explosion-proof cover; the open end of the explosion-proof junction box is clamped in the second circular clamping groove; one end of each sleeve is in seal connection with the container cover; the other end of each sleeve penetrates through the bottom of the explosion-proof junction box and extends into the an explosion-proof cavity; each sleeve is in seal connection with the explosion-proof junction box; a plurality of electric heating elements are arranged in the heating cavity; the quantity of the electric heating elements is consistent with that of the sleeves; and one end of each electric heating element penetrates through the corresponding sleeve, extends into the explosion-proof cavity, and is connected with a corresponding power interface through a corresponding wire. The explosion-proof electric heater provided by the invention is good in sealing property and heating effect, high in heating speed, and stable in heating temperature.

Description

technical field [0001] The invention relates to the technical field of electric heaters, in particular to an explosion-proof electric heater. Background technique [0002] The function of the existing explosion-proof electric heater is to heat fluid media such as hydrogen and oil. Its basic structure is: the container system has an inlet and an outlet, and the outside is covered with thermal insulation materials. The upper end is fixed with an explosion-proof chamber through a set of sleeves. The electric heating device penetrates into the container body from the explosion-proof chamber through the casing. When working, the electric heating device is energized to heat the fluid entering the container body, and then output from the outlet. The explosion-proof electric heater in the prior art has poor sealing performance. As the use time increases, the explosion-proof sealing surface gradually corrodes, and finally water seeps into the explosion-proof chamber, making it unabl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24H1/20F24H9/00F24H9/18
CPCF24H1/202F24H9/0005F24H9/1818
Inventor 陈更芬李贻连卜基峰
Owner ANBANG ELECTRICAL GRP
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