Title:
SLAG MODIFYING MATERIAL CHARGING DEVICE INTO LADLE
Document Type and Number:
Japanese Patent JP3555531
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a device capable of uniformly distributing slug modifying material to the entire slug surface under a converter just after pouring molten metal from the converter to a ladle (while the slug surface in a melted state).
SOLUTION: The slug modifying material charging device comprises a storage hopper 7 of the slug modifying material, an upper fixing chute 17 having a supply pipe 9 for receiving the slug modifying material of the storage hopper, a lower rotation chute 18 of which upper end is rotatably connected to the lower end of the upper fixing chute and upper end is bent at a predetermined angle, rotation driving means 10-14 for rotating the lower rotation chute, an air blower 2 for feeding pressure air to the lower rotation chute through a communication pipe 3, and an air amount adjusting valve 5 for controlling valve opening according to the rotation angle of the lower rotation chute.
Inventors:
Toshiaki Matsuura
Application Number:
JP2000002426A
Publication Date:
August 18, 2004
Filing Date:
January 11, 2000
Export Citation:
Assignee:
jfe Steel Corporation
International Classes:
B65G11/12; B65G11/20; B65G65/40; B65G69/04; C21C5/46; (IPC1-7): B65G65/40; B65G11/12; B65G11/20; B65G69/04; C21C5/46
Domestic Patent References:
| JP11199019A | ||||
| JP59088040U | ||||
| JP54140364A | ||||
| JP50075980U | ||||
| JP37017223Y1 |
Attorney, Agent or Firm:
Yasumitsu Nakahama