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Why does Our Annealing Furnace Use DSP+IGBT Structure

Views: 0     Author: Site Editor     Publish Time: 2023-06-06      Origin: Site


Induction heating power supply is widely used in metal heat treatment, quenching, annealing, diathermy, smelting, welding, heat sleeve, semiconductor material refining, plastic thermal heating, baking and purification; Induction heating power supply uses the induction current generated under the action of high frequency magnetic field to cause the conductor to heat itself. Compared with furnace heating, combustion heating or electric heating wire heating, induction heating has the advantages of significant energy saving, non-contact, fast speed, simple process, easy to achieve automation and so on.

The new DSP + IGBT full digital induction heating power supply is an energy efficient product; IGBT inverter, and DSP full digital control, which can ensure IGBT working in good switching condition under various working conditions. Perfect restriction and protection measures enable the equipment to maintain continuous and safe operation under various working conditions. Unpolar power capacitor improves the life and safe operation capacity of the equipment. The DC side chopper voltage regulation or filter circuit improves the system power factor. Therefore, the products have the characteristics of high reliability and high efficiency.

Main configuration and performance of DSP + IGBT full digital induction heating power supply equipment:

● Using series resonance mode, three-phase full-wave uncontrolled rectification, with high power factor, small harmonic interference and other advantages;

● IGBT as an inverter component, with the drive module, is a reliable guarantee of product quality;

● With constant power, constant current and other control methods, can adapt to different heating needs;

● With fault diagnosis and automatic protection function, if detected abnormal will automatically close the output, and issue an error alarm;

● Equipped with RS485 communication port, ModBus RTU communication protocol, can realize remote control and data preservation and other functions;

● The use of dual-core single chip computer, the circuit is simple, highly integrated, reduce the equipment failure rate, easy to maintain;

Hangao Tech bright annealing furance: On-Line Fixing & Fusing (Anealing) equipment can heat the stainless steel welded pipeto 1050°C then cool it to the temperature lower than 100 °C under the protection of hydrogen.The heating power supply of the intermediate ferquency induction is the newest DSP+IGBT structure.With DSP digital control system,there are self protection and self diagnostic functions.With small volume,it heats pipes rapidly and efficiently with energy-saving and low-waste features.The especially developed inducer designed according to the features of stainless steel can save 15%-20% energy in contrast of other products of the same class. Using hydrongen as of gas every minute.

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Every time the finishing tube is rolled, it must go through the process of solution treatment. Ta ensure that the performance of the steel pipe meets the technical requirements. and to provide guarantee for the post-process processing or use. Bright solution treatment process of ultra-long seamless steel pipe has always been a difficulty in the industry.

Traditional electric furnace equipment is large,covers a large area, has high energy consumption and large gas consumption, so it is difficult for realize bright solution process. After years of hard work and innovative development, the use of current advanced induction heating technology and DSP power supply. Precision control of heating temperature to ensure that the temperature is controlled within t2C,to solve the technical problem of inaccurate induction heating temperature control. The heated steel pipe is cooled by "heat conduction"in a special closed cooling tunnel, which greatly reduces the gas consumption and is more environmentally friendly.
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