Elementos calefactores de grafito

Fabricante de resistencias de grafito

Graphite heating element is a device component carefully made of high purity graphite material for heating. With excellent high temperature resistance, electrical conductivity and chemical stability, it has important applications in vacuum furnaces, metal casting and semiconductors. And it is designed with performance requirements in mind. It is a reliable and durable heating element that can well meet the heating needs of different working conditions.

Graphite heating elements properties

Graphite heaters usually have a variety of forms such as varilla, plate and tube. It offers a number of significant advantages.

Excelente resistencia a altas temperaturas

Graphite heating element has stable operation at temperatures up to 1000°C and beyond.

Good resistance

It can efficiently convert current into heat energy, and the heat conversion rate is very impressive. And it can meet the heating needs of different scenarios.

Extremely stable chemical properties

It will not react in most chemical environments, corrosion resistance is strong.

Alta resistencia mecánica

It is not easy to be damaged by conventional external force.

High heat conduction efficiency

The heating speed is fast, and the target heating temperature can be quickly achieved.

In addition, it also has good plasticity and is easy to process into various shapes. Under suitable processing conditions, we can shape it by mechanical stamping, molding or CNC machining to meet your needs.

Types of graphite heating elements

Rod graphite heating element:

This structure is simple and elongated rod. Because of its shape characteristics, you can widely use it in some scenarios that need to be heated deep in a specific space. Such as in small experimental furnaces, tubular reactors and other equipment, which can accurately heat local areas.

Plate-like graphite heating element:

The appearance is flat plate-like, with a large heating area. It is suitable for the occasion of uniform heating of a large area of objects. Such as in some heat treatment equipment and drying equipment. It can make the material heat more evenly and improve the heating effect.

Tubular graphite heating element:

A hollow tubular structure, this structure makes it obvious advantages in heating fluid media. It can let the fluid flow in the tube and be uniformly heated. It is common in the fluid heating process in the chemical industry, petroleum and other industries.

Uses of graphite heating elements

• Vacuum furnaces

Graphite heating elements can efficiently convert electrical energy into heat. The vacuum environment is mainly based on heat radiation transfer, graphite radiation ability is strong, can create a uniform high temperature environment. It is suitable for metal melting, sintering, like special alloy melting, to ensure uniform alloy heat, improve material quality. Moreover, it does not react with process gases such as argon and nitrogen in the hornos de vacío.

• Heat treatment

You can use graphite heaters for metal quenching, tempering and annealing. It heats up fast and controls temperature accurately. For example, when the tool is quenched, it can make the tool reach the appropriate temperature. Then improve the hardness and wear resistance of the tool.

• Metal processing:

In metal melting, forging, graphite heating element provides high temperature, so that the metal to reach the appropriate processing temperature. To ensure processing quality and efficiency. Like small electric furnaces in the steel industry, it can stabilize the melting of metal raw materials.

• Chemical production:

Chemical reactions often require specific temperatures. You can use it to heat reactor materials, and their chemical stability ensures safe operation in various chemical environments. Such as precise temperature control in organic synthesis reactions.

• Electronic photovoltaic semiconductors:

The lithography and annealing processes of semiconductor chip manufacturing require extremely high heating accuracy and stability, it can meet the needs. To ensure the accuracy of chip manufacturing processes and product quality.

Graphite heating element design

Its design needs to take into account many aspects. The shape depends on the equipment, such as rod, plate. The size is determined according to power and space to ensure the heating effect. Select material of high purity graphite, in order to obtain good high temperature resistance and electrical conductivity. The connection method is also important, to facilitate installation and circuit connection, to achieve efficient heating.