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Your location:Home > Article > Working principle of laboratory heating plate
Working principle of laboratory heating plate
  • Release date:2022-06-28      Views:492
    • The laboratory heating plate is made of glass and ceramic with good chemical stability, which has the effect of safe heating and constant temperature control. The heating plate which is widely used in laboratory has a high safety system, including fixed safety circuit, overheat display and error display. The heating plate can also be equipped with a contact electronic thermometer, which can achieve high precision temperature control effect. Functionality, safety and durability are the three main characteristics of laboratory heating plates.

      Laboratory heating plates convert electrical energy into heat energy to heat objects. Is a form of electricity utilization. Compared with general fuel heating, electric heating can obtain a higher temperature (such as arc heating, the temperature can reach more than 3000℃), easy to achieve automatic temperature control and remote control, car electric heating cup

      The high frequency and high current flow direction of the heating plate in the laboratory is made into a ring or other shaped ring (usually made of red copper tube). Thus, a strong magnetic beam with instantaneous changes in polarity will be generated in the coil. If heated objects such as metals are placed in the coil, the magnetic beam will run through the heated object. In the interior of the heated object, the direction opposite to the heating current will generate a large eddy current corresponding to it. Because there is resistance in the heated object, a lot of joule heat is generated, causing the object's own temperature to rise rapidly. To achieve the purpose of heating all metal materials.

      The temperature distribution of the heated object can be maintained as needed. Electric heating can generate heat directly in the heated object, so the thermal efficiency is high and the heating rate is fast. According to the technical requirements of heating, uniform heating or partial heating (including surface heating) can be achieved. It is easy to achieve vacuum heating and control atmosphere heating. In the process of electric heating, there is little waste gas, residue and smoke, which can keep the heated object clean and do not pollute the environment. Therefore, electric heating is widely used in the fields of production, scientific research and experiment. Electric heating is used especially in the manufacture of single crystal and transistor, mechanical parts and surface quenching, smelting of ferroalloy and manufacture of artificial graphite.

      The electric heating board of boda fine nanoheat laboratory adopts nanoscale thermal energy technology, no mechanical heater parts, no magnetic field interference, dry burning, fast heating, energy saving and environmental protection. By the majority of laboratory operators favor and praise!


     
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