Sub Entry Nozzle
Submerged Entry Nozzle and Shrouds are designed to protect the steel flow from the Tundish to the mould. Sub-Entry Nozzle is fixed inside the tundish similar to a Tundish Nozzle, while the sub-entry shroud is fitted from the outside on the Tundish Nozzle.
SPECIAL FEATURES:
o Zirconia slag-line protection
o Outlet port design
o Anti-clogging liner
o Anti-inclusion liner
o Full vitrified glaze protection prior to preheat
o Seating composite material sequence casting
| TYPICAL PROPERTIES OF DIFFERENT PARTS OF CCR PRODUCTS | |||||||||
| Product | Sub Entry Nozzle | ||||||||
| Seat | Body | Slag Zone | |||||||
| Refractory Grades | VB6 | VB14 | CT142 | CT170 | CT182 | CT199 | CT141 | CT67 | VE3 |
| Chemical Analysis | |||||||||
| Al2 O3 (Min.) % | 75 | 65 | 40 | 47 | 84 | 71 | 70 | ||
| SiO2 (Max.) % | 5 | 1 | 7 | 20 | 15 | 3 | 3 | ||
| MgO (Min.) % | 75 | ||||||||
| ZrO2 (Min.) % | 84 | ||||||||
| C (Max.) % | 20 | 22 | 25 | 30 | 30 | 13 | 13 | 25 | 26 |
| Physical Properties | |||||||||
| A.P. (Max.) % | 15 | 17 | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
| B.D. (gm/cc) Min. | 2.65 | 2.55 | 2.55 | 2.45 | 2.28 | 2.60 | 3.80 | 2.50 | 2.50 |
| C.C.S. (Kg./cm2) Min. | 225 | 200 | 225 | 180 | 180 | 220 | 225 | 200 | 180 |