1.characteristic (1) it equips the oxidation-resistant casting-protect system in the steel strand (2) optimize the parameter of the mould submerging nozzle (3)optimize the structure parameter of the tundish (4)optimize the mould parameter (5)optimize the mould vibration parameter (6)set up the enough height of vertical section(7)adopts the continuous-curving and continuous-straightening technique (8)adopts the setoer section of close-packing roller and it continuously contracts the roller gap (9)aims arc quickly and accurately(10) the Chromium zirconium copper a is adopted in mould copper plate(11) the roller, bearing seat and frame in the sector section adopt the inner-cooling structure to reduce the heat stress and deformation and to prolong useful time(12) the mould and sector section adopt the quick-replaceable function and the auto-connection is adopted in all the cooling water loop and gas loop (13)it equips the prefect off-line maintenance equipment
