Graphite Vacuum Furnace High Thermal Conductivity Film Graphitization Furnace

Introduction

A high thermal conductivity film graphitization furnace is a specialized equipment designed for the graphitization process of high thermal conductivity films, particularly polyimide (PI) films. This furnace utilizes medium frequency induction heating to achieve rapid temperature rise and high efficiency. Its unique design ensures exceptional temperature uniformity throughout the furnace chamber. The furnace is constructed with double-layer alumina brick insulation to prevent short circuits, providing excellent heat insulation and fire resistance, resulting in minimal heat loss and enhanced equipment stability. It offers the flexibility of configuring multiple electric furnaces with a single power supply, allowing continuous operation by powering on furnaces for heating and powering off for cooling. The furnace is equipped with a digital flow monitoring system for each water channel, ensuring comprehensive protection in the power cabinet. It employs high-performance medium frequency contactors and a PLC-based automatic control and protection system for water, electricity, and gas.

Applications

The high thermal conductivity film graphitization furnace is widely used in various industries, including:

• Ceramic firing
• Carbide growth
• Carbonization
• Graphitization
• Sintering
• Annealing
• Brazing
• Degassing

Features

The High thermal conductivity film graphitization furnace feature:

• Temperature uniformity: The unique furnace design ensures excellent temperature uniformity throughout the furnace chamber, resulting in consistent and high-quality graphitization.
• Energy efficiency: Double-layer alumina brick insulation minimizes heat loss, reducing energy consumption and operating costs.
• Stability: The high-performance medium frequency contactor and comprehensive PLC control system ensure stable and reliable operation.
• Multiple furnace operation: A single power supply can be configured with multiple furnaces, allowing for continuous operation and increased productivity.
• Digital flow monitoring: Each channel of water flow is monitored and protected in the power cabinet, ensuring safe and efficient operation.

Principle

The high thermal conductivity film graphitization furnace uses medium frequency induction heating to rapidly increase the temperature of the furnace body, greatly improving temperature uniformity. The double-layer alumina brick insulation material prevents short circuits between carbon felt and the coil, providing good heat insulation and fire resistance, reducing heat loss, and ensuring equipment stability. The furnace can be configured with multiple power supplies to meet the sintering process time requirements, enabling continuous operation with multiple furnaces heating up and cooling down separately. A digital flow monitoring system monitors and protects each water channel in the power cabinet, while the furnace conversion uses a high-performance medium frequency contactor. The PLC water, electricity, gas automatic control and protection system provides comprehensive monitoring and protection.

Advantages

• High temperature uniformity: The furnace's unique design ensures excellent temperature uniformity throughout the furnace chamber, resulting in consistent and reliable results.
• Low energy consumption: The double-layer alumina brick insulation material provides excellent heat insulation and fire resistance, minimizing heat loss and reducing energy consumption.
• Good stability: The furnace's robust construction and high-performance components ensure stable and reliable operation, even under demanding conditions.
• Continuous operation: Multiple furnaces can be powered on and off independently, allowing for continuous operation and maximizing productivity.
• Comprehensive control system: The PLC-based water, electricity, and gas control system provides comprehensive monitoring and protection, ensuring safe and efficient operation.
• Digital flow monitoring system: Each channel of water flow is monitored and protected in the power cabinet, providing real-time feedback and preventing potential issues.
• High-performance medium frequency contactor: The use of high-performance medium frequency contactors ensures reliable and efficient power conversion.

Technical parameters

Maximum operating temperature: 3100℃

Commonly used temperature: 2800℃

Working atmosphere in the furnace: vacuum, hydrogen, nitrogen, inert gas, etc.

Temperature uniformity: ≤±25℃

Temperature measurement: far-infrared optical temperature measurement (1000-3200℃);

Temperature measurement accuracy: 0.2~0.75%

Temperature control: program control and manual control; temperature control accuracy: ±1℃

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