发明名称 |
APPARATUS FOR BOTTOM BLOWING OF STEEL IN LADLE |
摘要 |
ferrous metallurgy, in particular, blowing tuyere construction for treating steel outside of furnace used in steelmaking. SUBSTANCE: apparatus has refractory blowing tuyere covered with metal enclosure and provided with metal bottom furnished with gas supplying device. Tuyere has two refractory parts: porous and slit. Slits are positioned at an angle of 35 deg one with respect to the other, and slit thickness does not exceed 0.1 mm. Such construction provides improves mixing of steel and prevents it from passage through apparatus. EFFECT: increased efficiency and enhanced reliability in operation. 2 dwg
|
申请公布号 |
RU2152441(C1) |
申请公布日期 |
2000.07.10 |
申请号 |
RU19980100599 |
申请日期 |
1998.01.06 |
申请人 |
SKIJ KOMBINAT";AKTSIONERNOE OBSHCHESTVO KUZNE |
发明人 |
TSAREV V.F.;OBSHAROV M.V.;NEGODA A.V.;DOLGIKH O.V.;KOZYREV N.A.;SYCHEV P.E.;DOBRYNINA N.N. |
分类号 |
C21C7/072;B22D1/00;(IPC1-7):C21C7/072 |
主分类号 |
C21C7/072 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|