FIELD: devices for heat treatment of strips and bands in tightly rolled rolls; metallurgy and mechanical engineering.
SUBSTANCE: to exclude penetration of combustion products into under-muffle space and sand onto metal being annealed, bell-type furnace is provided with base with concentric groove where heat-removal components and rubber rings are located; muffle is mounted in groove; lower part of this muffle is cone-shaped in form and side surface is provided with concentric knife immersed in sand gate; furnace is also provided with stand for rolls, circulating fan and heating bell.
EFFECT: improved quality of metal; reduction of sorting-out of metal to low grade; enhanced efficiency.
2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF HEAT TREATMENT OF COILS IN HOOD FURNACE | 0 |
|
SU834379A1 |
| METHOD OF COLD-ROLLED STRIP STEEL PRODUCTION | 0 |
|
SU1766986A1 |
| METHOD OF ROLL FIRING INTO BELL-TYPE FURNACES | 0 |
|
SU1765215A1 |
| STAND FOR BELL-TYPE FURNACE FOR ANNEALING WEB-TYPE MATERIAL | 0 |
|
SU846586A1 |
| HOOD FURNACE | 0 |
|
SU998543A1 |
| HOOD-TYPE FURNACE | 1995 |
|
RU2078836C1 |
| METHOD OF COOLING METAL CHARGE IN HOOD FURNACE | 1994 |
|
RU2061766C1 |
| DEVICE FOR METAL COOLING IN BELL-TYPE SINGLE-STACK FURNACE | 1994 |
|
RU2082777C1 |
| METHOD OF PRODUCTION OF COLD-ROLLED STRIP | 2003 |
|
RU2238988C1 |
| COVER ELECTRIC FURNACE | 0 |
|
SU1681158A1 |
