Gas-Fired, for Melting and Holding of Aluminum
The fuel-heated tilting furnaces with the side exhaust gas discharge
provide for optimum energy utilization combined with highest quality
melt. Fitted with a burner system including heat-recovery system
using a recuperative burner, the energy efficiency of fuel-heated
tilting furnaces is significantly improved.
Depending on utilization the exhaust gases from the crucible
furnace are guided through a heat exchanger in order to preheat
the combustion air for the burner. The system provides for energy
savings of up to 25 % compared to conventional fuel-heated tilting
furnaces with side exhaust gas discharge. The higher purchase costs
are amortized within a short time.
The KBR series is recommended when both high melt quality requirements and high energy
efficiency are required, and the speed of the melting process is of secondary interest. If the fastest
possible melting rate is important for the process and a particularly high quality of the melt is of
secondary importance, a conventional tilting furnace KB with exhaust ducting over the edge of the
crucible is recommended.
Technical Design as Models KB but with the Following Features
- Heat exchanger in the exhaust gas duct to preheat the combustion air for the burners
- Energy savings of up to 25 % in comparison to other fuel-heated melting furnaces featuring sidewall exhaust gas vents
- Side exhaust gas discharge
- -Low burn-off provides for high quality melt
- -Low hydrogen absorption by the melt
- -Low heat exposure for the operator in the area above the crucible
- Max. furnace temperature of 1100 °C for melt bath temperatures up to 950 °C
- Required minimum gas pressure at full load: 80 mbar
Tilting furnace KBR 240/11 during filling of a transport ladle
| Model | Tmax furnace | Tmax melt bath | Curcible | Capasity | Burner output | Melting performance3 | Consumption Melting | Consumption Holding Lid closed | Outer dimensions4 in mm | Weight in | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | °C | kg Al | kW | kg/h Al | kWh/kg | kWh/h | W4 | D | H | kg | ||
| KBR 240/11 | 1100 | 950 | TP 587 | 570 | 390 | 320 | 1,1-1,4 | 13 | 2580 | 2300 | 1980 | 3600 |
| KBR 360/11 | 1100 | 950 | TBN 800 | 750 | 450 | 340 | 1,1-1,4 | 15 | 2580 | 2350 | 2080 | 3800 |
| KBR 400/11 | 1100 | 950 | TBN 1100 | 1000 | 450 | 360 | 1,1-1,4 | 16 | 2580 | 2350 | 2150 | 4100 |