VD/VOD Vacuum Refining Furnace Equipment

Product description

The equipment structure of VOD vacuum refining furnace is basically the same as that of VD vacuum refining furnace. The main difference is that VOD refining furnace in the upper part of the vacuum sealing cover increased oxygen gun and its lifting system and oxygen supply system, blowing oxygen under vacuum conditions to make the ladle steel decarburization. The method has the function of decarburization, deoxidation, degassing, desulfurization and alloying.
The VD/VOD ladle refining furnace equipment consists of vacuum tank or vehicle-carrying tank type, vacuum tank cover, vacuum loading device, oxygen blowing device (referred to as VOD), electrical automation system, vacuum piping, dust removal device and vacuum pump. The furnace tonnage ranges from 5t to 300t. They are mainly used to produce stainless steel, manganese steel, ultra-low carbon alloy steel and alloys.

Product information

Product making

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Our Technology

  • The vacuum tank is sealed by single-layer hollow sealing ring and protected by water cooling;

    The lid of the tank adopts butterfly head structure with high strength and uniform force;

    The vacuum tanker adopts frequency conversion speed regulation, traveling smoothly.

    The vacuum piping adopts water-cooled piping, which can reduce the temperature of exhaust gas and airflow;

    Manual observation window with TV camera function;

    Manual temperature measurement and sampling and automatic dosing are realized under vacuum conditions;

    Oxygen blowing device is equipped with a special sealing device, which is less abrasive, leak-proof and easy to adjust the oxygen gun;

    Argon blowing and stirring;

    The most advanced automatic control system;

Product Detail

FAQ

Product Tags

VD / VOD Function

As a vacuum refining equipment widely used in high-end steel manufacturing, it has excellent degassing and deoxidizing effects. It achieves efficient removal of hydrogen and nitrogen from the steel by creating a highly vacuumed environment, which greatly reduces the amount of harmful gases in the finished steel, which is essential for improving the toughness and ductility of the steel. This process not only significantly improves the intrinsic quality of the steel, but also extends its service life, which is especially critical in the manufacture of specialty steel products that require extreme purity and high performance.

The VD furnace effectively reduces the hydrogen and nitrogen content of the steel, removes oxygen from the steel through carbon and oxygen reactions, and desulfurizes the steel through the full reaction of the alkaline top slag with the molten steel, in addition to homogenizing the composition and temperature. With its excellent performance in degassing, deoxygenation, desulfurization, composition and temperature homogenization, the VD furnace has become an indispensable core technological equipment in the modern steel industry to improve product quality, optimize the production process, and meet the demand of the high-end material market.

Production of high quality low alloy steel, low carbon steel, bearing steel, alloy steel structure, stainless steel, mold steel, tool steel, ultra-low carbon steel, etc., steel grades with strict requirements for gas, inclusions, and chemical composition in steel water;

Vacuum charging, alloy composition fine-tuning;

Vacuum degassing

Vacuum oxygen blowing and decarburization;

Bottom-blowing argon stirring.

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