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VD Vacuum Degassing
STEB's VD (Vacuum Degassing) systems are engineered for hydrogen and nitrogen removal from molten steel. This treatment is essential for achieving ultra-clean steel and improving product quality. The vacuum environment enables intensive gas stirring in fully inert conditions, providing excellent removal of non-metallic inclusions from molten steel. Key Processes: • Hydrogen removal (critical for steel cleanliness) • Nitrogen removal (essential for mechanical properties) • Decarburization (fine-tuning carbon content) • Deoxidation (removing oxygen impurities) • Desulphurization (reducing sulfur content) STEB vacuum systems utilize dry mechanical multi-stage vacuum pumps with parallel skids/modules (typically 25,000 Nm³/h modules) for reliable, efficient operation. Capacity ranges from 10 to 300-ton heats, accommodating diverse production requirements.
VD Vacuum Degassing System