2000℃ 1 kg induction heating melting furnace

This product is specifically designed for laboratory and small-batch industrial precision melting applications. It employs high-frequency induction heating as its core heating method, leveraging the principle of eddy-current heating generated by electromagnetic induction to deliver heat directly to the interior of the metal charge. This results in rapid, uniform heating with stable and reliable performance, with a maximum operating temperature of 2000°C and a maximum single-melt capacity of 1 kg (based on the density of iron). Paired with a dedicated high-temperature-resistant crucible and a high-vacuum sealing structure, the system offers the combined advantages of high-temperature melting, clean processing, and controllable atmosphere—making it an ideal precision melting solution for specialized metallurgy, precious-metal processing, and advanced-materials R&D. The equipment supports comprehensive customization services, allowing flexible configuration adjustments to meet specific experimental and production requirements, accommodating a wide range of process conditions, and easily satisfying small-batch, high-precision melting and preparation needs.

1. Core Technical Parameters and Hardware Configuration

- Heating parameters: maximum heating temperature of 2,000°C, utilizing high-frequency induction heating technology (frequency range: 30–80 kHz, optimized for small-scale precision melting applications). The core induction coil is encapsulated in a high-temperature-resistant insulating material, delivering high eddy-current heating efficiency, concentrated heat with no thermal losses, and an electrical-to-thermal conversion efficiency exceeding 70%. The system exhibits robust long-term stability under high-temperature operation and is highly resistant to aging and degradation. By default, it features a single-zone centralized heating configuration that ensures excellent molten-metal temperature uniformity; combined with electromagnetic stirring, it enables automatic stirring of the melt pool, guaranteeing homogeneous alloy composition and temperature. Customizable multi-stage heating programs are also available to meet the demands of complex melting processes.

- Crucible and Melting Specifications: Standard configuration includes a high-temperature-resistant, dedicated crucible (with optional materials such as graphite, zirconia, and magnesia to meet diverse metal-melting requirements), capable of handling a single melt batch of 1 kg. The system is compatible with metals of varying densities, and the melting capacity for precious metals can be appropriately increased. The crucible material boasts high purity and exceptional thermal stability, with no impurity leaching, ensuring that the molten sample remains uncontaminated. It is suitable for a variety of melting environments, including vacuum and inert-atmosphere conditions. Customization is available to tailor crucible dimensions and materials to accommodate samples of different sizes and small-batch continuous melting operations. An optional secondary charging mechanism is also available, enabling secondary charging under vacuum or in an atmosphere-protected environment.

- Temperature Control System: Equipped with a high-precision PID intelligent temperature controller, paired with a tungsten–rhenium thermocouple and a dual-color infrared pyrometer for redundant temperature measurement. This configuration delivers exceptional temperature control accuracy and minimal temperature fluctuations (temperature control accuracy ≤ ±5°C). The system supports free editing of 30-step heating/cooling programs, allowing precise setting of heating rates, dwell times at constant temperature, and cooling profiles, thereby achieving fully automated temperature control throughout the entire melting process. It also features built-in triple protection—overheat protection, overcurrent protection, and thermocouple breakage protection—to eliminate safety risks caused by equipment overheating, thermocouple failures, or abnormal current conditions. In addition, a water-cooling system is available as an optional accessory (requires a 58 L/min water chiller; standard configuration does not include one), ensuring long-term stable operation of the furnace body and coils while safeguarding both experimental integrity and equipment safety.

- Atmosphere and Vacuum Control: The furnace features a 304 stainless steel vacuum chamber with sealed flanges at both ends, ensuring excellent sealing performance. It is equipped with a dual-monitoring system consisting of a digital vacuum gauge and a mechanical pressure gauge, which provide real-time, precise readings of the chamber pressure and vacuum level. The standard configuration achieves a vacuum level as low as 10⁻² Torr (using a mechanical pump), while the high-end configuration can reach 10⁻⁶ Torr (with a molecular pump system). The furnace allows flexible introduction of high-purity inert protective atmospheres such as argon, with an inlet pressure of up to 0.05 MPa. A float-type flow meter (0.2–2 L/min) is provided for precise adjustment of the gas flow rate, effectively preventing metal oxidation and gas absorption. This capability meets the requirements of specialized processes such as vacuum melting, atmosphere-protected melting, and reduction melting, enabling the production of ultra-high-purity molten metals.

- Operating System: Equipped with a high-definition, true-color smart touch screen featuring a simple, intuitive interface and clear operational logic. The system integrates functions such as melting parameter settings, real-time temperature monitoring, fault alarms, and program storage. Even users with no prior experience can quickly master operation after brief training, thanks to fully visualized controls that eliminate the need for complex button-based adjustments, thereby significantly lowering the barrier to operation. The system supports program saving and recall, allowing multiple sets of melting process parameters to be stored, which effectively enhances both experimental and production efficiency. Certain models also offer remote debugging capabilities, enabling technical personnel to provide remote assistance in optimizing processes.

- Auxiliary configuration: The furnace is equipped with a quartz observation window (diameter 120 mm) for real-time monitoring of the melting process; it features a high-temperature stirring mechanism with impellers specially designed to withstand extreme temperatures, offering adjustable speeds from 0 to 200 rpm, enabling high-temperature stirring of molten samples under vacuum or controlled-atmosphere conditions for more uniform melting; a crucible tilting device is included, allowing sample pouring into water-cooled copper molds or graphite molds under atmosphere or vacuum (molds available as optional accessories); the chamber is pre-equipped with KF25, KF40, and other flange connections to facilitate future functional expansion.

2. Summary of Core Advantages:

- Precise temperature control and highly efficient heating: leveraging the principle of electromagnetic induction for contactless heating, the heat is delivered directly to the charge, resulting in rapid melting and substantial energy savings—more than 50% compared with conventional smelting methods.

- Simple operation and high visualizability, making it suitable for users with no prior experience;

- Robust safety protection, with multiple safeguards and a water-cooling system, effectively eliminating all potential safety hazards;

- High customization flexibility, adaptable to various voltages, crucible materials, vacuum levels, and charging methods;

- The equipment boasts exceptional durability, with long service life for core components and low subsequent maintenance costs, meeting the dual requirements of precision R&D in the laboratory and small-batch industrial production, and enabling high-purity, high-precision melting of metals and alloys.

3. Applicable Fields and Process Scenarios

Covers precision melting and material preparation scenarios across multiple industries, with core application areas including:

- Traditional industrial sectors: metallurgical powder melting, small-scale precision casting, metal-core melting for abrasive tools, and the refining and processing of precious metals (gold, silver, copper), among other processes;

- New energy and high-end materials: high-temperature smelting of lithium-ion battery electrode materials, preparation of high-temperature alloys, smelting of magnetic materials, and smelting of refractory metals such as titanium alloys—all tailored to meet the material R&D needs of high-end sectors like aerospace and medical devices.

- Precision experimentation and production: performance testing of metallic materials, alloy formulation experiments, and small-batch sample preparation at universities and research institutions; melting and custom casting of precious metals in small jewelry workshops; preparation of molten metal for small-batch precision parts in industrial settings, with the option to integrate relevant components to achieve refined refining and casting processes for high-purity metallic materials.

4. Custom Service Description

If you require adjustments to the crucible material and dimensions, upgrades to the vacuum system (including mechanical or molecular pumps), the addition of secondary feeding or high-temperature stirring functions, optimization of the temperature-control program, adaptation to special-atmosphere processes, or customization of voltage specifications (supporting non-standard voltages such as 110 V, 380 V, and 450 V), please contact our technical team directly for one-on-one consultation on tailored solutions. We will design and build a custom 1 kg induction-heating melting furnace specifically engineered to meet your laboratory and production needs, with support for international certifications such as UL and CE (available upon request). This ensures perfect alignment between equipment and process, while also providing comprehensive technical support and after-sales maintenance services.