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Electromagnetic induction heating apparatus

A technology of electromagnetic induction heating and inductive coil, applied in induction heating devices, induction heating, water heaters and other directions, can solve the problem of not realizing large flow of fluid, large input power, limiting the popularization and application of electromagnetic induction heating technology, and not realizing electromagnetic induction. Heating and other problems, to achieve the effect of simple structure, high power and small fluid pressure loss

Inactive Publication Date: 2006-07-19
王鹏
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, electromagnetic induction heating of fluids such as liquids, gases, and easy-flowing solids has not yet been realized, let alone large-flow fluids, large input power, and electromagnetic induction heating in the entire cross-section of the fluid pipeline.
Therefore, the popularization and application of electromagnetic induction heating technology is limited.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] refer to figure 1 , 2 , 3. This electromagnetic induction heating device is composed of a conductive, non-magnetic and heat-resistant outer heating cylinder 1. A heat insulating layer 4 is arranged on the outer periphery of the outer heating cylinder, and an insulating bracket 5 is wound on the heat insulating layer. Inductance coil 3; an inner heating tube support plate 6 of non-magnetic material is provided in the outer heating cylinder, and several axial inner heating tubes 2 of magnetic material are supported in the support hole 10 on the inner heating tube support plate. Several flow holes 7 are opened on the support plate of the inner heating tube.

[0028] Conductive and non-magnetic heat-resistant external heating cylinder can be made of stainless steel, copper or aluminum alloy and other materials to make circular cylinders, square cylinders, rectangular cylinders or other shapes of cylinders; the inner heating tube of magnetic permeable material can be made o...

Embodiment 2

[0049] refer to Figure 4 , which is an electromagnetic induction heating device that can be used as a heating boiler. Its structure is basically the same as that of Embodiment 1, but the inner heating tube 2 is a triangular tube, and flow holes 7 are added. In this embodiment, the support hole 10 supporting the inner heating pipe also functions as a flow hole at the same time.

Embodiment 3

[0061] refer to Figure 5 , which is a kind of electromagnetic induction heating device for flowing solid heating, its structure is basically the same as that of embodiment 1, but the whole device is vertically arranged. According to the requirements of use, the flow direction of the fluid can be from top to bottom or from bottom to top.

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Abstract

The invention relates to an electromagnetic induction heater, which is formed by a inductance coil coiled on the outer cylinder, and at least axial magnetic conductive inner tube supported by the non-magnetic material and arranged inside the outer cylinder. The invention is characterized in that: the outer cylinder is made from heat resistant material which is conductive and non-magnetic conductive; and a heat insulating layer is arranged between the outer cylinder and the inductance coil. The invention has simple structure, easy operation and high input power which can reach thousand tiles, while its heating temperature is higher hundred degrees than the temperature of electric heating tube. The invention can be used to heat air in the turbine refrigeration and cycle fluid-bed boiler, and heating the oil in the oil transmission pipeline, etc. The invention has high reliability, less maintenance, high heat efficiency, high power, less fluid pressure loss, and significant social and economic benefits.

Description

technical field [0001] The invention relates to a device for heating fluids such as liquid, gas and easy-flowing solid by means of electromagnetic induction. Background technique [0002] At present, electromagnetic induction heating is mainly used in processes such as quenching, diathermy, melting, brazing and sintering in machinery manufacturing and metallurgical industry. However, electromagnetic induction heating of fluids such as liquids, gases, and easy-flowing solids has not been realized, let alone large-flow fluids, large input power, and electromagnetic induction heating in the cross-section of the entire fluid pipeline. Therefore, the popularization and application of electromagnetic induction heating technology is limited. Contents of the invention [0003] The object of the present invention is to provide an electromagnetic induction heating device capable of realizing high power for fluids such as large...

Claims

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Application Information

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IPC IPC(8): H05B6/14H05B6/16F24H1/10
Inventor 王鹏佟科白佳丽李贻涛曲道海
Owner 王鹏
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