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Electromagnetic induction heating VS traditional heating method, which is more energy-efficient?

Electromagnetic induction heating VS traditional heating method, which is more energy-efficient?

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  • Time of issue:2021-06-12
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(Summary description)Development must be economical, and economical can develop! Conserving energy, improving energy efficiency, protecting and improving the environment, and promoting comprehensive, coordinated and sustainable social and economic development are China's current strategic tasks.
For the heating industry, there are many heating methods, the most energy-saving one is electromagnetic heating. The principle of electromagnetic heating is derived from the electromagnetic induction phenomenon discovered by Faraday, that is, alternating current induces current in the conductor, which causes the conductor to heat up. Let us take a closer look at the reasons why electromagnetic heating is more energy-efficient than other heating methods.

Electromagnetic induction heating VS traditional heating method, which is more energy-efficient?

(Summary description)Development must be economical, and economical can develop! Conserving energy, improving energy efficiency, protecting and improving the environment, and promoting comprehensive, coordinated and sustainable social and economic development are China's current strategic tasks.
For the heating industry, there are many heating methods, the most energy-saving one is electromagnetic heating. The principle of electromagnetic heating is derived from the electromagnetic induction phenomenon discovered by Faraday, that is, alternating current induces current in the conductor, which causes the conductor to heat up. Let us take a closer look at the reasons why electromagnetic heating is more energy-efficient than other heating methods.

  • Categories:Company
  • Author:
  • Origin:
  • Time of issue:2021-06-12
  • Views:0

Development must be economical, and economical can develop! Conserving energy, improving energy efficiency, protecting and improving the environment, and promoting comprehensive, coordinated and sustainable social and economic development are China's current strategic tasks.

 

For the heating industry, there are many heating methods, the most energy-saving one is electromagnetic heating. The principle of electromagnetic heating is derived from the electromagnetic induction phenomenon discovered by Faraday, that is, alternating current induces current in the conductor, which causes the conductor to heat up. Let us take a closer look at the reasons why electromagnetic heating is more energy-efficient than other heating methods.

 

 

In the traditional heating industry, most use resistance wire heating methods. However, this traditional heating method usually has low thermal efficiency. The resistance wire is heated by itself, and then transfers the heat to the medium, thereby heating the object. The influence of this heating effect is only about 50%, and the other 50% is converted into other energy and lost in the air.

Electromagnetic induction heating uses electric current to generate a magnetic field, so that the metal pipe itself heats, prevents the pipe from dissipating heat, and avoids heat loss. The thermal efficiency is as high as 98%. The electrical effect can reach 50%, but considering the different types of electromagnetic induction heating controllers of different brands, the energy conversion efficiency will be slightly different.

 

 

The advantages of electromagnetic induction heating mainly include the following five points:

1. Energy saving 30%-85%
At this stage, the heating method used in most industrial heating is traditional resistance heating coil heating. The heat is transferred to the heated body through contact conduction. Only the heat close to the inner surface of the heated body is transferred to the heated body. Most of the heat on the outside of the circle is lost to the air, and there is a large loss of heat energy, resulting in high temperature and stuffiness in the workshop.
The electromagnetic heating system completely solves this problem. A heat insulation layer is installed between the induction heating coil and the heated body, and the heat inside the heated body is radiated into the air in a small amount, and the surface temperature of the heated body is about 50-90℃ , After rigorous experimental tests, the energy saving is 30%-85%, especially for high-power heating equipment, the energy-saving effect is more obvious.
2. Security
After using the electromagnetic heating system, the surface temperature of the electromagnetic heating coil is 50-90℃, which can be safely touched by the human body; avoiding burns and scalding accidents caused by the high temperature of the heated surface of the traditional heating method; providing a safe working environment for employees .

3. The heating speed is fast, and the electric heating conversion efficiency is high
The heating principle of the traditional resistance heating coil is that the resistance wire itself generates high temperature, and the heat is slowly transferred from the high temperature area on the outer surface of the barrel to the low temperature area in the center of the barrel. The speed is slow. At the same time, a part of the heat is lost in the air, causing energy loss. , The conversion efficiency of electric heating is about 60%.
In the electromagnetic heating system, the electromagnetic heating coil generates an alternating magnetic field through high frequency and high voltage, and the barrel metal itself generates countless vortexes to make it rapidly heat up. The heat energy is generated by the barrel metal, and the entire electromagnetic induction heating system itself has very little electrical loss. , The conversion efficiency of electric heating is above 98%.

4. Lower the temperature of the workshop

Through the above energy-saving analysis, the electromagnetic induction heating system saves the heat energy radiated into the air by the traditional heating method. The workshop no longer has to be baked by countless electric furnaces, the workshop no longer has high temperature and stuffiness, and the employees no longer endure high temperature work. , So as to feel comfortable and improve work efficiency.

5. Long service life

The electromagnetic heating system itself works at close to normal temperature, so it will not heat and carbonize the oil and plastic particles adsorbed on its surface, and will not cause leakage, short circuit and other faults; the working principle of the electromagnetic induction heating system is high-frequency electromagnetic induction , It does not directly contact the heated metal, and there is no problem of poor conduction.

Advantages of electromagnetic heater

With the development of industry, electromagnetic heating storms have swept across. Electromagnetic heaters are not only used in industrial fields, but also integrated into heating and bath heating in our lives. So is the electromagnetic heater really that good?
2021-06-29

The technology and application of electromagnet

The technology and application of electromagnets are divided into the following points 1. The position of electromagnet in the industry is very important. It is a basic electrical appliance and is known as the "king of electrical appliances". With the continuous development of the magnet and iron removal equipment market and the intensified competition, users not only have higher requirements for the quality of electromagnets and iron removal equipment, but also have higher requirements for production efficiency. In order to improve the quality and production efficiency of electromagnets and iron removal equipment, enrich my country's product categories, enhance industry product awareness, promote the development of China's electromagnet and iron removal equipment industry, and promote the research and application of electromagnet and iron removal equipment technology at home and abroad, organize Some activities.
2021-06-29

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