Characteristic:
Electromagnetic heater is a kind of electromagnetic induction principle is used to change the electrical energy into heat energy device, electromagnetic heating controller to 220 v, 50/60 hz ac rectifier into direct current, then direct current (dc) for 20-40 KHZ high frequency high voltage to frequency, 50/60 hz or 380 v three-phase alternating current into direct current to direct current into 10 ~ 30 KHZ high frequency low voltage large current electricity, used for industrial heating products.
Principle is through the electronic circuit board component to produce alternating magnetic field, when using iron container placed above the surface of the container is cutting alternating magnetic field lines in the metal part at the bottom of the container produce alternating current (eddy current), eddy current to make the bottom of the container carrier a high-speed movement rules, carrier and atomic collision, friction and heat generation. Thus it has the effect of heating things. Since it is the iron vessel that heats itself, the heat conversion rate is particularly high, up to 95%, as a direct method of heating. Induction cooker, electromagnetic cooker heating electric rice cooker are the use of electromagnetic heating technology.
Useage:
Energy-saving reform is widely used in industrial electromagnetic heating is suitable for plastic machinery, wood, construction, food, medical, chemical and other energy saving transformation, such as plastic injection molding machine, extrusion machine, blown film machine, drawing machine, plastic film, pipe, wire and other machinery, food processing, textile, printing and dyeing, metallurgy, light industry, machinery, surface heat treatment, welding, boiler, boiling furnace and other industries, can replace resistance heating, ignition energy and fuel.
Textile printing and dyeing: electromagnetic heating of raw materials can improve energy efficiency, increase heating speed, improve temperature control accuracy;
Light industry: sealing of cans and other plastic packaging, etc.
Boiler industry: electromagnetic heating boiler USES its heating speed fast characteristic, can abandon the general boiler heating method, only in the boiler outlet heating, so that the water in the flow of heating, heating speed, save space.
Mechanical industry: high-frequency electromagnetic heating can be applied to metal heat treatment, the effect is significantly improved than the ordinary treatment, other such as quenching of various mechanical parts, tempering after quenching, annealing and normalizing heat treatment heating, diothermic before pressure processing;
The application of electromagnetic heating boiler technology is not only beneficial to the improvement of product quality, production efficiency, energy saving and consumption reduction, but also improves the technical level of equipment manufacturing enterprises, which is more and more widely accepted and used in the industry.
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