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At its core, an induction heater uses a simple but powerful principle to generate heat: electromagnetism. Imagine the process as a form of non-contact heating. Instead of using an open flame or a heating element, an induction heater creates an electromagnetic field.
When a metal or another conductive material is placed within this field, a current is induced directly inside the material itself. This internal current, known as an eddy current, is what causes the material to heat up rapidly and efficiently.
The key to the success of an induction heater lies in its efficiency. Because the heat is generated from within the material, very little energy is lost to the surrounding environment.
The true value of an induction heater lies in its remarkable versatility and efficiency. This technology is not limited to a single task but is a critical component across numerous industries where precise, rapid heating is required. Its ability to generate heat directly within the material without contact makes it a game-changer for a variety of processes.
Plastics and Rubber Manufacturing: In this sector, induction heaters are used to provide the precise and uniform heat needed for equipment like plastic film blowing machines, injection molding machines, and rubber extruders. This controlled heating ensures material consistency and high-quality final products.
Pharmaceutical and Chemical: Precision is paramount in these fields. Induction heaters are ideal for heating fluids in pipelines and for manufacturing plastic equipment, such as infusion bags. They offer a clean and safe heating method, which is crucial for maintaining sterile environments and preventing contamination.
Energy and Food Processing: From heating crude oil pipelines to sterilizing food machinery, the non-contact heating of an induction heater provides a more efficient and hygienic solution. This technology helps to maintain consistent temperatures and can speed up processes, improving productivity and safety.
Industrial High-Power Heating: For heavy-duty industrial tasks, high-power induction heaters are used in applications like smelting, forging, and running steam generators. They provide the intense, focused heat necessary for these demanding processes, often with greater energy efficiency than traditional methods.
Smelting and Casting: An induction heater is a core component in modern foundries. It is used in die-casting furnaces to melt and maintain alloys like aluminum and zinc. The clean, controlled melting process results in higher-quality castings and a safer working environment.
Building Materials: The manufacturing of pipes and other plastic building components benefits greatly from induction heating. This technology ensures the uniform heat needed for consistent extrusion, resulting in strong and durable products, from corrugated pipes to geo-nets.
Commercial and Consumer Use: You've likely encountered this technology in a more familiar setting—the commercial induction cooker. These powerful units use the same principle to provide fast, energy-efficient cooking in professional kitchens, delivering instant and precise temperature control.
Printing: In the printing industry, induction heaters are used for drying inks. Their ability to deliver localized heat rapidly helps to accelerate production lines and improve the quality of printed materials.
| Name | Performance parameter |
| rated power | Three-phase 20KW |
| Rated input current | 27-30(A) |
| Rated output current | 30-50(A) |
| Rated voltage frequency | AC 380V/50Hz-60Hz |
| Voltage adaptation range | constant power output at 300 ~ 400V |
| Adapt to ambient temperature | -20ºC~50ºC |
| Adapt to environmental humidity | ≤95% |
| Power adjustment range | 20% ~ 100% stepless adjustment(That is: adjustment between 0.5 ~ 20KW) |
| Heat conversion efficiency | ≥95% |
| Effective power | ≥98%(Can be customized according to user needs) |
| working frequency | 5~40KHz |
| Main circuit structure | Full bridge series resonance |
| Control System | The DSP-based high-speed automatic phase-locking tracking control system |
| Application mode | Open application platform |
| monitor | Programmable digital display |
| start time | <1S |
| Instantaneous overcurrent protection time | ≤2US |
| Power overload protection | 130% instantaneous protection |
| Soft start mode | Fully electrically isolated soft start heating/stop mode |
| Support PID adjustment power | Identify 0-5V input voltage |
| Support 0 ~ 150 ºC load temperature detection | Accuracy up to ± 1 ºC |
| Adaptive coil parameters | 20KW 10 square line, length 60m, inductance 250 ~ 300uH |
| Coil to load distance(Thermal insulation thickness) | 20-25mm for circle, 15-20mm for a plane, 10-15mm for ellipse and within 10 mm for superellipse |
At its core, an induction heater uses a simple but powerful principle to generate heat: electromagnetism. Imagine the process as a form of non-contact heating. Instead of using an open flame or a heating element, an induction heater creates an electromagnetic field.
When a metal or another conductive material is placed within this field, a current is induced directly inside the material itself. This internal current, known as an eddy current, is what causes the material to heat up rapidly and efficiently.
The key to the success of an induction heater lies in its efficiency. Because the heat is generated from within the material, very little energy is lost to the surrounding environment.
The true value of an induction heater lies in its remarkable versatility and efficiency. This technology is not limited to a single task but is a critical component across numerous industries where precise, rapid heating is required. Its ability to generate heat directly within the material without contact makes it a game-changer for a variety of processes.
Plastics and Rubber Manufacturing: In this sector, induction heaters are used to provide the precise and uniform heat needed for equipment like plastic film blowing machines, injection molding machines, and rubber extruders. This controlled heating ensures material consistency and high-quality final products.
Pharmaceutical and Chemical: Precision is paramount in these fields. Induction heaters are ideal for heating fluids in pipelines and for manufacturing plastic equipment, such as infusion bags. They offer a clean and safe heating method, which is crucial for maintaining sterile environments and preventing contamination.
Energy and Food Processing: From heating crude oil pipelines to sterilizing food machinery, the non-contact heating of an induction heater provides a more efficient and hygienic solution. This technology helps to maintain consistent temperatures and can speed up processes, improving productivity and safety.
Industrial High-Power Heating: For heavy-duty industrial tasks, high-power induction heaters are used in applications like smelting, forging, and running steam generators. They provide the intense, focused heat necessary for these demanding processes, often with greater energy efficiency than traditional methods.
Smelting and Casting: An induction heater is a core component in modern foundries. It is used in die-casting furnaces to melt and maintain alloys like aluminum and zinc. The clean, controlled melting process results in higher-quality castings and a safer working environment.
Building Materials: The manufacturing of pipes and other plastic building components benefits greatly from induction heating. This technology ensures the uniform heat needed for consistent extrusion, resulting in strong and durable products, from corrugated pipes to geo-nets.
Commercial and Consumer Use: You've likely encountered this technology in a more familiar setting—the commercial induction cooker. These powerful units use the same principle to provide fast, energy-efficient cooking in professional kitchens, delivering instant and precise temperature control.
Printing: In the printing industry, induction heaters are used for drying inks. Their ability to deliver localized heat rapidly helps to accelerate production lines and improve the quality of printed materials.
| Name | Performance parameter |
| rated power | Three-phase 20KW |
| Rated input current | 27-30(A) |
| Rated output current | 30-50(A) |
| Rated voltage frequency | AC 380V/50Hz-60Hz |
| Voltage adaptation range | constant power output at 300 ~ 400V |
| Adapt to ambient temperature | -20ºC~50ºC |
| Adapt to environmental humidity | ≤95% |
| Power adjustment range | 20% ~ 100% stepless adjustment(That is: adjustment between 0.5 ~ 20KW) |
| Heat conversion efficiency | ≥95% |
| Effective power | ≥98%(Can be customized according to user needs) |
| working frequency | 5~40KHz |
| Main circuit structure | Full bridge series resonance |
| Control System | The DSP-based high-speed automatic phase-locking tracking control system |
| Application mode | Open application platform |
| monitor | Programmable digital display |
| start time | <1S |
| Instantaneous overcurrent protection time | ≤2US |
| Power overload protection | 130% instantaneous protection |
| Soft start mode | Fully electrically isolated soft start heating/stop mode |
| Support PID adjustment power | Identify 0-5V input voltage |
| Support 0 ~ 150 ºC load temperature detection | Accuracy up to ± 1 ºC |
| Adaptive coil parameters | 20KW 10 square line, length 60m, inductance 250 ~ 300uH |
| Coil to load distance(Thermal insulation thickness) | 20-25mm for circle, 15-20mm for a plane, 10-15mm for ellipse and within 10 mm for superellipse |
