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Energy-saving induction heating device

An induction heating device and the technology of the induction device are applied in the directions of induction heating, coil devices, furnaces without annular cores, etc., which can solve the problems of increasing project cost, reducing power utilization rate, and consuming water resources of water cooling system, so as to improve the efficiency of water cooling system. Antioxidant effect, reduce project cost and save water resources

Pending Publication Date: 2021-10-15
洛阳申耐电力设备有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Water cooling has the following disadvantages: it takes away a lot of heat, reduces the utilization rate of electric energy, requires a water cooling system to increase the project cost, consumes water resources, and may cause safety accidents if water leakage occurs

Method used

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Examples

Experimental program
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Effect test

experiment example

[0061] Take the first tubular heating device, and further explain from the energy-saving principle and energy-saving effect,

[0062] Let the inner radius of the refractory material pipe, that is, the refractory layer inclusion 2, be r 0 , the outer radius is r 1 , the thermal conductivity of the refractory material is λ 0 (1+α 0 t), the inner wall temperature is T 0 , where, if the heated metal is a solid metal, the temperature is slightly lower than the metal temperature, and if it is a liquid metal, it is equal to the liquid metal temperature; r 1 The temperature at the location is T 1 , the inner radius of the insulation layer 3 is r 1 (ignoring the sensor thickness), the outer radius is r 2 , the thermal conductivity of the insulating material is λ 1 (1+α 1 t), the surface temperature of the insulation layer 3 is T 2 , the ambient temperature is T 环 , the heat transfer coefficient between the insulation material and the environment is β.

[0063] According to t...

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Abstract

The invention provides an energy-saving type induction heating device, and belongs to the technical field of induction heaters. The energy-saving type induction heating device comprises an induction device body, the induction device body comprises a water-cooling-free induction heater, the water-cooling-free induction heater comprises an anti-oxidation induction heating coil, the anti-oxidation induction heating coil comprises an induction heating coil, the surface of the induction heating coil is provided with an anti-oxidation coating, the anti-oxidation coating comprises an inner attachment layer arranged on the surface of the induction heating coil and an enamel coating arranged on the outer surface of the inner attachment layer, the anti-oxidation induction heating coil is wrapped with a refractory layer wrapping body, and the outer surface of the refractory layer wrapping body is provided with a heat preservation layer. The anti-oxidation effect of the induction heating coil can be improved, the service life of the heating device is prolonged, the heat efficiency is improved, the heat loss is reduced, and the construction cost is reduced.

Description

technical field [0001] The invention relates to the technical field of induction heaters, in particular to an energy-saving induction heating device. Background technique [0002] When the alternating current passes through the conductor, an alternating magnetic field is generated around the conductor. Putting the metal in the alternating magnetic field will generate an eddy current in the metal. The Joule heating effect of the eddy current causes the metal to be heated. This heating method is called induction heating. Induction heating has the characteristics of fast heating speed and high thermal efficiency. This conductor used for electrification is called an induction heater, or simply an inductor. In order to reduce the Joule heating effect generated when the current passes through the inductor, pure copper with relatively small resistivity is commonly used to make the inductor. Induction heating is often used in metal heat treatment heating, metal forging heating, me...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B6/36H05B6/24
CPCH05B6/36H05B6/24
Inventor 郭延强王顺兴郭志强
Owner 洛阳申耐电力设备有限公司
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