Today, they belong to the basic equipment in modern steelworks: our VOD plants for cost-effective production of top-purity stainless steel grades. We have constantly improved and optimized the vacuum oxygen decarburization (VOD) process in our plants to achieve even better efficiency and quality. They impress not only with perfect homogenization of the ladle contents, but also with highly effective oxygen lances that reduce steel splashing. Tuyere bricks are installed on the ladle bottom for inert gas stirring. The result: slag-free tapping from the smelting unit. Here's how it works. Due to the lower partial pressure of the carbon in the vacuum, decarburization of high-alloyed heats minimizes the carbon content. Simultaneously, this method achieves a chromium-rich yield without excessive refining. This VOD equipment is usually working in combination with an EAF or together with an EAF and an AOD.
The VOD ladle refining furnace is used for liquid steel vacuum refining. There are structure of cover type and tank car type for user’s selection. The VOD ladle refining furnace consists of vacuum tank or car carried tank, vacuum tank cover, charging device, oxygen lance, automatic control system, vacuum tube, fume extraction system and vacuum pump.
 Main technical parameter of VDVOD Series refining furnace.pdf
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