OTSK Patents

Chinese invention patent: Sponge Iron Rapid Reduction Processing

Chinese invention patent: Low-grade iron ore directly reduce producing particle iron process

Chinese invention patent: High temperature and high material layer directly reducing process (Cooperated with Northeast University)

Utility model patent: Tunnel kiln residual heat utilization device

Utility model patent: Temperature Balance Device of Tunnel Kiln

Utility model patent: Temperature and Pressure Regulating Device in Tunnel Kiln Car Seal Junction

Utility model patent: Car Tunnel Kiln Side Stream Smoke Exhausting and Pressure Regulating Device

Utility model patent: Sponge Iron Tank Positioning and Fixing Device

Utility model patent: A Loading Model for Producing Sponge Iron

Utility model patent: Sponge iron energy saving  ash suction device

Utility model patent: The Application of Blast Furnace Gas on Metallurgy Tunnel Kiln  (Cooperated with Shandong  Taishan steel group)

Utility model patent: Integration of Reducing Iron Loading Unit

Utility model patent: A Energy Saving Model for Producing Sponge Iron

Utility model patent: Metal oxide Reducing Atmosphere Protection Device

Utility model patent: Sponge iron unloading and cleaning all-in-one machine

Utility model patent: Car bottom furnace under car water cooling system

Utility model patent: U type spring sealing device for the car bottom furnace

Utility model patent: Auto loading and unloading machine for the car bottom furnace

Utility model patent: Multi reciprocate car bottom furnace group

Utility model patent: Sponge iron auto feeding machine

OTSK Latest patent