2200 ℃ Graphite Vacuum Heat Treat Furnace

 Introduction

The 2200℃ Graphite Vacuum Furnace is a high-temperature furnace that utilizes graphite felt as its thermal insulation material and graphite resistant rods as its heating element. It can reach a maximum working temperature of up to 2200℃, making it ideal for vacuum reaction sintering of various materials such as tungsten alloy, silicon carbide, molybdenum alloy, titanium alloy, cemented carbide, and carbon materials.

The furnace features a high vacuum performance, with a maximum vacuum level of up to 6*10-3Pa, and no high-temperature gassing. It also has an excellent vacuum pressure maintaining performance, with a 0.67Pa/h vacuum pressure rise rate.

The furnace's safety features include overcurrent protection and over-temperature alarming function, with automatic power-off. It also has a built-in thermal couple detecting function, with automatic heating stoppage and alarm in case of breakage or failure detection.

Applications

The KT-VG Graphite vacuum furnace is an exceptional high-temperature furnace that is widely used in various industries for high-temperature treatment of materials in a vacuum or protective atmosphere environment. Here are some of its main application areas:

• Vacuum reaction sintering of various materials such as tungsten alloy, silicon carbide, molybdenum alloy, titanium alloy, cemented carbide, and carbon materials
• High-temperature brazing and soldering
• Annealing and heat treatment of metals and alloys
• Debinding and sintering of ceramic materials
• Crystal growth
• Vacuum coating and deposition
• Research and development of new materials

Features

The Vacuum Graphite Furnace Horizontal Type is a high-performance furnace ideal for vacuum and controlled atmosphere sintering applications. With its advanced features and capabilities, this furnace offers numerous benefits to users, including:

• Super high working temperature:** Capable of reaching temperatures up to 2200℃, making it suitable for high-temperature treatment of various materials.
• High vacuum performance:** Achieves a maximum vacuum level of up to 6*10-3Pa, ensuring a clean and controlled environment for material processing.
• Excellent vacuum pressure maintaining performance:** Maintains a stable vacuum environment with a pressure rise rate of only 0.67Pa/h, preventing contamination and ensuring process integrity.
• Vacuum shell body double-layer design:** Features a double-layer jacket for cold water circulation fast cooling, effectively reducing the outer shell surface temperature for improved safety and operator comfort.
• Independent air input and output ports:** Allows for controlled atmosphere working, enabling users to tailor the furnace environment to specific process requirements.
• Optional manual and automatic pneumatic vacuum valves:** Provides flexibility in vacuum control, accommodating different working requirements and automation needs.
• PID programmable microprocessor temperature control system:** Ensures precise temperature control, optimizing process outcomes and reducing product defects.
• Professional heating elements configuration:** Optimized for heat radiation and longevity, maximizing performance and extending service life.
• Safety interlock system:** Powers off the furnace when the door is open or in cases of over-temperature or sensor failure, ensuring operator safety and preventing accidents.

Principle

The 2200 ℃ Graphite Vacuum Furnace utilizes a high-temperature graphite heating element within an insulated graphite chamber. This specialized design allows for precise temperature control and uniform heating distribution. The furnace operates under vacuum conditions, enabling the controlled atmosphere processing of materials at elevated temperatures. The vacuum environment minimizes gas contamination, oxidation, and degassing, ensuring the purity and integrity of the treated materials.

Advantages

• Super high working temperature in vacuum and controlled atmosphere sintering
• High vacuum performance, with a maximum vacuum level of up to 6*10-3Pa, and no high temperature gassing
• Excellent vacuum pressure maintaining performance, with a 0.67Pa/h vacuum pressure rise rate
• Vacuum shell body double-layer design, with a jacket for cold water circulation fast cooling
• Independent air input and output ports, with a controlled atmosphere working function available too
• Optional manual and automatic pneumatic vacuum valves for different working requirements
• PID programmable microprocessor temperature control system, ensuring accurate temperature control
• Professional heating elements configuration to optimize heat radiation properties, and ensure the longest service life
• Safety interlock system, which powers off the furnace when the door is open, or in cases of over-temperature or sensor failure

Safety Advantage

• Overcurrent protection and over-temperature alarming function, with automatic power-off
• Built-in thermal couple detecting function, with automatic heating stoppage and alarm in case of breakage or failure detection
• Power failure restarting function, which resumes the furnace heating program when power is restored after a power failure

Technical specifications

Optional Setup

• Independent furnace temperature monitoring and recording
• RS 485 communication port for PC remote control and data exporting
• Optional pneumatic vacuum valve linkage with temperature controller
• Touch screen temperature controller with versatile operator friendly functions
• Cold water circulation cooling machine for furnace shell jacket cooling system

Warnings

Operator safety is the top important issue! Please operate the equipment with cautions. Working with inflammable& explosive or toxic gases is very dangerous, operators must take all necessary precautions before starting the equipment. Working with positive pressure inside the reactors or chambers is dangerous, operator must fellow the safety procedures strictly. Extra caution must also be taken when operating with air-reactive materials, especially under vacuum. A leak can draw air into the apparatus and cause a violent reaction to occur.

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