Graphite Vacuum Continuous Graphitization Furnace

Introduction

A continuous graphitization furnace is a high-temperature furnace used to treat carbon cloth, carbon fiber, silicon carbide ceramic fiber, and other materials at temperatures ranging from 2100 to 2800°C. It employs medium frequency induction heating for rapid temperature rise and high efficiency, and its unique design ensures temperature uniformity within the furnace. The furnace features double-layer alumina brick insulation to prevent short circuits and provides excellent heat insulation and fire resistance, resulting in low heat loss and stable operation. It incorporates a constant tension control system for carbon fiber and an automatic rewinding and unwinding system for carbon felt. All operating parameters, actions, and alarms are controlled by a PLC with a human-computer interaction interface, digital flow monitoring system, and water flow monitoring and protection for each channel of the power cabinet. Multiple operating processes can be conveniently stored, recalled, and interactively operated, while real-time display and recording capabilities enhance user experience.

Applications

Continuous graphitization furnaces are widely used in the following applications:

• Continuous graphitization treatment of carbon cloth
• Continuous graphitization treatment of carbon fiber
• Continuous graphitization treatment of silicon carbide ceramic fiber

Features

Continuous graphitization furnace is a kind of high-temperature furnace used in the continuous graphitization treatment of carbon cloth, carbon fiber, silicon carbide ceramic fiber and other materials at high temperatures of 2100-2800°C. It has the following advantages:

• High temperature uniformity: The unique furnace design greatly improves the temperature uniformity of the furnace body, ensuring consistent and uniform treatment of materials.

• Low energy consumption: The double-layer alumina brick insulation material effectively reduces heat loss, resulting in lower energy consumption and improved efficiency.

• Automatic control: The PLC-controlled system with human-computer interaction interface allows for precise control over operating parameters, actions, and alarms, simplifying operation and ensuring accurate treatment.

• Real-time monitoring: The digital flow monitoring system and water flow monitoring and protection for each channel of the power cabinet provide real-time monitoring of equipment performance, ensuring safety and reliability.

• Versatile applications: The continuous graphitization furnace is suitable for a variety of high temperature treatment and graphitization treatment applications, making it a versatile and cost-effective solution.

Principle

The continuous graphitization furnace employs medium frequency induction heating for rapid temperature elevation and efficiency. Its well-designed furnace structure optimizes temperature uniformity. The double-layer alumina brick insulation effectively prevents short circuits and ensures heat insulation and fire resistance, minimizing heat loss and enhancing equipment stability.

Advantages

• High temperature uniformity: Medium frequency induction heating provides rapid temperature rise and high efficiency. The unique furnace design significantly improves temperature consistency within the furnace body.
• Low energy consumption and stability: Double-layer alumina brick insulation prevents short circuits, ensuring excellent heat insulation and fire resistance, minimizing heat loss, and enhancing equipment stability.
• Precise tension control: Constant tension control system for carbon fiber and automatic rewinding and unwinding system for carbon felt.
• Advanced monitoring and control: PLC controls all operating parameters, actions, and alarms. A human-computer interaction interface, digital flow monitoring system, and water flow monitoring and protection for each channel of the power cabinet provide real-time monitoring, interactive operation, and convenient storage and retrieval of operating processes.
• Suitable for various applications: The high temperature, high efficiency, and uniform heating characteristics make the furnace ideal for a wide range of high temperature treatment and graphitization applications.

Technical parameters

• Commonly used temperatures: 2000C-2800℃
• Working atmosphere in the furnace: argon, nitrogen and other inert gases
• 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℃
• Furnace structure: horizontal single-zone heating, both inlet and outlet are connected by flanges
• Heating element: graphite crucible

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