Vacuum Electric Furnace Installation designated for separation of tin from lead
Technical characteristics of the electric furnace
| 1 |
Capacity |
ton/day |
| 2 |
Installed power |
Not over 400 kW |
| 3 |
Vacuum inside distillation chamber |
0,3 mm Hg |
| 4 |
Working temperature |
1200-1400 Ñ |
| 5 |
Power consumption |
500-600 kW·h/ton |
| 6 |
Water consumption for cooling water-cooled elements |
20 cub. m |
| 7 |
Area required |
45 sq. m |
| 8 |
Overall dimensions, l õ b õ h |
8,4õ5,3õ8 m |
| 9 |
Weight of metal structures |
18 t |
- The plant is continuously working. The source material is loaded into 5-ton bath and heated therein up to 400 C, liquid metal is fed via barometric pipe into distillation chamber with a column of graphite plates installed therein. Inside the plates, a graphite heater is installed which is connected with 250 kVA step-down transformer. The transformer is single-phased, and run off 380 V mains.
- Liquid source metal is fed onto the top column plate, heated up to 1200-1400 C and flows from one plate to another, creating thus a developed surface.
- Lead evaporated strongly at these temperatures and, passing onto condenser cylinders surrounding evaporation plates, flows down into condensate collector and is transferred via a duct out of distillation chamber and into receiving tank.
- Refined tin is poured from the bottom plate into cooler via a pipe, and fed therefrom into refined tin receiving tank.
- All ducts and receiving tanks are provided with wire heaters enabling metal heating up to liquid state at the start of the process. Electric furnace complete set includes a vacuum pump and electric panels to control the process.
- The electric furnace provides for production of 99,8% pure tin out of alloy (tin 75%, lead 25%) by double refining method.
- The possibility of separating tin from lead-free solder alloys could be determined upon getting analysis details.
- The furnace was delivered to Mexico, Bolivia, Australia, Germany.
For purchasing purposes apply to Mr. L.G. Pokrovskiy, Deputy director of “Licensintech” firm of VO “Licensintorg”:
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