CN110486944A - A kind of electromagnetic induction heating furnace being rapidly heated - Google Patents

Abstract

The invention discloses a rapid heating electromagnetic induction heating furnace, which comprises a furnace shell, an electromagnetic induction heating assembly is arranged inside the furnace shell, and the electromagnetic induction heating assembly includes a high-frequency coil and an insulating layer; a high-frequency coil is arranged outside the insulating layer, and an insulating There is an outer material cylinder in the layer, a hollow metal cylinder is arranged in the material cylinder, and an inner material cylinder is arranged in the hollow metal cylinder; the bottom of the inner material cylinder is sealed, and the top of the inner material cylinder is connected with the outer material cylinder; the hollow metal cylinder The upper side is connected to one end of the oil outlet pipe, and the other end of the oil outlet pipe passes through the furnace shell and is located outside the furnace shell; the lower side of the hollow metal cylinder is connected to the oil delivery pipe, which is connected to the oil inlet pipe through the oil pump, and the oil inlet pipe passes through the furnace shell. Realize rapid temperature rise and heat conduction oil, and the heat transfer effect is better.

Description

A Rapid Heating Electromagnetic Induction Heating Furnace

technical field

The invention relates to the field of heating furnaces, in particular to an electromagnetic induction heating furnace for rapid temperature rise.

Background technique

Electromagnetic induction heating furnace is a device that uses the principle of frequency conversion electromagnetic induction to convert electrical energy into heat energy. The principle of electromagnetic heating equipment is: electromagnetic induction heating adopts the heating principle of magnetic field induction current (also known as eddy current), which generates alternating magnetic field through the components of electronic circuit board. When the coil is wound on the surface of the ferrous material cylinder, the cylinder is Cutting the alternating magnetic field lines generates alternating current (ie eddy current) on the metal part of the barrel surface, and the eddy current makes the iron molecules in the barrel move at high speed and irregularly, and the molecules collide and rub against each other to generate heat energy.

Electromagnetic induction heating furnace is widely used in the heating of heat transfer oil, and the heated high-temperature heat transfer oil can be used as heat transfer medium, which can be transported to various heat-using equipment through a circulating pump to provide a circulating heat source.

The electromagnetic induction heating furnace adopts the principle of internal heat, that is, the metal tube inside the barrel is heated by itself through electromagnetic induction, and then the heat is transferred to the furnace. Therefore, compared with other heating furnaces in the prior art, the heat transfer is much easier. The heating time is longer, and the thermal efficiency is average.

Contents of the invention

In order to solve the above-mentioned problems, the present invention discloses a rapid heating electromagnetic induction heating furnace, which realizes rapid heating and heating of heat transfer oil, and has better heat transfer effect.

In order to achieve the above object, the present invention provides the following technical solutions:

An electromagnetic induction heating furnace for rapid temperature rise, comprising a furnace shell, an electromagnetic induction heating assembly is arranged inside the furnace shell, and the electromagnetic induction heating assembly includes a high-frequency coil and an insulating layer; a high-frequency coil is arranged outside the insulating layer, and the insulating layer is An outer material cylinder is arranged in the layer, and a hollow metal cylinder is arranged in the material cylinder, and an inner material cylinder is arranged in the hollow metal cylinder; the bottom of the inner material cylinder is sealed, and the top of the inner material cylinder communicates with the outer material cylinder Connection; the upper side of the hollow metal cylinder is connected to one end of the oil outlet pipe, and the other end of the oil outlet pipe passes through the furnace shell and is located outside the furnace shell; the lower side of the hollow metal cylinder is connected to the oil delivery pipe, and the oil delivery pipe passes through the oil pump Connect the oil inlet pipe, which passes through the furnace shell.

Further, the inner wall of the hollow metal cylinder is threaded. The threaded hollow metal cylinder is convenient for heat transfer and heat conduction.

Further, the oil pump is connected to a motor. The motor drives the oil pump to work.

Further, the insulating layer is an asbestos insulating layer. Asbestos is highly fire-resistant, electrical and thermal insulating, and is an important fireproofing, insulating and insulating material. The asbestos insulation layer not only plays a good insulating effect, but also effectively insulates heat and heat.

Further, the fillers in the outer barrel and the inner barrel are made of plastic. The melting point of plastic is low, the heat transfer effect is good, and it can quickly heat and transfer heat.

Further, the heating furnace also includes a power supply for the electromagnetic induction coil, and the electromagnetic induction coil is electrically connected to the power supply.

The working principle of the present invention is: after the electromagnetic induction coil is energized, heat is generated, which makes the fillers in the inner and outer barrels heat up, transfers the heat to the heat-conducting oil in the hollow metal cylinder, heats the heat-conducting oil, and can heat the heat-conducting oil. The high-temperature heat-conducting oil is used as the heat-conducting medium, and is transported to various heat-consuming equipment through the oil pump to provide a circulating heat source.

The beneficial effects of the present invention are: the material cylinder of the present invention includes an inner material cylinder and an outer material cylinder to conduct rapid heat conduction for the heat conduction oil in the hollow metal cylinder respectively, the heat conduction effect is good, the heat conduction speed is fast, and the rapid temperature rise of the heat conduction oil is realized.

Description of drawings

Fig. 1, structural representation of the present invention;

Fig. 2 is a partial schematic diagram of the electromagnetic induction heating assembly of the present invention.

Among them: furnace shell 1, high-frequency coil 2, insulating layer 3, outer barrel 4, hollow metal barrel 5, inner barrel 6, oil outlet pipe 7, oil delivery pipe 8, oil pump 9, oil inlet pipe 10, motor 11, power supply 12.

Detailed ways

The present invention will be further explained below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the following specific embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention.

Example 1

An electromagnetic induction heating furnace for rapid temperature rise, comprising a furnace shell 1, an electromagnetic induction heating assembly is arranged inside the furnace shell, and the electromagnetic induction heating assembly includes a high-frequency coil 2 and an insulating layer 3; the insulating layer 3 is provided with a high-frequency coil, insulated An outer material cylinder 4 is arranged in the layer, and a hollow metal cylinder 5 is arranged inside the outer material cylinder. The insulating layer wraps the outer material cylinder, and the hollow metal cylinder in the outer material cylinder is sealed with the outer material cylinder. There is an inner barrel 6; the bottom of the inner barrel is sealed, and the top of the inner barrel is communicated with the outer barrel; the stuffing chamber between the inner barrel and the outer barrel is communicated. After the electromagnetic induction coil is energized to generate heat, the filler in the outer barrel is heated first, and any filler flows into the inner barrel to continue heating, so that there are heat sources inside and outside the hollow metal barrel, and the heat transfer effect is good. The upper side of the hollow metal cylinder is connected to one end of the oil outlet pipe 7, and the other end of the oil outlet pipe passes through the furnace shell and is located outside the furnace shell; the lower side of the hollow metal cylinder is connected to the oil delivery pipe 8, which is connected to the oil inlet pipe 10 through the oil pump 9, and the oil inlet pipe through the furnace shell.

In this embodiment, the inner wall of the hollow metal cylinder is threaded. The threaded hollow metal cylinder is convenient for heat transfer and heat conduction.

In this embodiment, the oil pump is connected to the motor 11 . The motor drives the oil pump to work.

In this embodiment, the insulating layer is an asbestos insulating layer. Asbestos is highly fire-resistant, electrical and thermal insulating, and is an important fireproofing, insulating and insulating material. The asbestos insulation layer not only plays a good insulating effect, but also effectively insulates heat and heat.

In this embodiment, the fillers in the outer barrel and the inner barrel are made of plastic. The melting point of plastic is low, the heat transfer effect is good, and it can quickly heat and transfer heat.

In this embodiment, the heating furnace further includes a power supply 12 for the electromagnetic induction coil, and the electromagnetic induction coil is electrically connected to the power supply.

The technical means disclosed in the solutions of the present invention are not limited to the technical means disclosed in the above embodiments, but also include technical solutions composed of any combination of the above technical features. It should be pointed out that those skilled in the art can make some improvements and modifications without departing from the principle of the present invention, and these improvements and modifications are also considered as the protection scope of the present invention.

Claims (6)

1. An electromagnetic induction heating furnace of rapid temperature rise is characterized in that: it comprises a furnace shell, and an electromagnetic induction heating assembly is provided in the described furnace shell, and the electromagnetic induction heating assembly includes a high-frequency coil and an insulating layer; the insulating layer peripheral There is a high-frequency coil, an outer material cylinder is arranged in the insulating layer, a hollow metal cylinder is arranged in the material cylinder, and an inner material cylinder is arranged in the hollow metal cylinder; the bottom of the inner material cylinder is sealed, and the inner material cylinder is sealed. The top is connected to the outer barrel; the upper side of the hollow metal barrel is connected to one end of the oil outlet pipe, and the other end of the oil outlet pipe passes through the furnace shell and is located outside the furnace shell; the lower side of the hollow metal barrel is connected to the oil delivery pipe , the oil delivery pipe is connected to the oil inlet pipe through the oil pump, and the oil inlet pipe passes through the furnace shell. 2. A fast heating electromagnetic induction heating furnace as claimed in claim 1, characterized in that: the inner wall of the hollow metal cylinder is threaded. 3. A fast heating electromagnetic induction heating furnace as claimed in claim 1, characterized in that: said oil pump is connected to a motor. 4. A fast heating electromagnetic induction heating furnace as claimed in claim 1, characterized in that: the insulating layer is an asbestos insulating layer. 5. A fast heating electromagnetic induction heating furnace as claimed in claim 1, characterized in that: the fillers in the outer barrel and the inner barrel are made of plastic. 6 . A fast heating electromagnetic induction heating furnace as claimed in claim 1 , wherein the heating furnace further comprises a power supply for the electromagnetic induction coil, and the electromagnetic induction coil is electrically connected to the power supply. 6 .