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Application:
Submerged arc furnace will be mainly applied for reduction of metallurgical ore to produce the FeSi, FeMg, FeCr, Ferrotungsten, SiMg and Titanium slag alloy, which will be the important material for metallurgical and chemical industries.
Features of the equipment:
For submerged arc furnaces, the lining will be made of carbon or magnesia refractory material. The electrode is self-baking. The electrode will be inserted into the charging material.The material will be molten by arc and current. The charging material will be continuously adding. The tapping will be batch type. It is a continuously operation industry furnace.
| Grade | Grade | Chemical Constituents | ||||
| code | Si(>) | Impurity content (<=) | Total impurities (<) | |||
| Fe | Al | Ca | ||||
| Chemical silicon | Si—2203 | 99.5 | 0.2 | 0.2 | 0.03 | 0.5 |
| Chemical silicon | Si—3303 | 99 | 0.3 | 0.3 | 0.03 | 1 |
| Si—3305 | 99 | 0.3 | 0.3 | 0.05 | 1 | |
| Si—441 | 99 | 0.4 | 0.4 | 0.1 | ||
| Metallurgical Silicon | Si—553 | 98.5 | 0.5 | 0.5 | 0.3 | 1.5 |
| Si—1 | 98 | 0.7 | - | 0.5 | 2 | |
| Si—2 | 98 | 1 | - | 0.6 | 2 | |
Main equipment for submerged arc furnaces
1. Furnace Shell
2. Furnace Cover
3. Fume exhaust system
4. Electrode System: electrode holder, electrode lifting device and electrode clamping/ releasing device
5. Charging System
6. Hydraulic System
7. High Current System
8. Water-cycling system
9. Tapping System
10. Transformer
11. L.V & H.V system
| No. | Name | unit | parameter | Remarks |
| 1 | Rated capacity of transformer | KVA | 8000 | |
| 2 | Transformer Primary Voltage | kV | 20 | |
| 3 | Secondary rated voltage of transformer | V | 130 | |
| 4 | Secondary rated current of transformer | A | 31977 | |
| 5 | Electrode diameter | mm | Φ650 | Graphite electrode |
| 6 | Furnace diameter | mm | 4600 | |
| 7 | Furnace depth | mm | 1950 | |
| 8 | Furnace shell diameter | mm | Φ6500 | |
| 9 | Furnace shell height | mm | 3700 | |
| 10 | PCD | mm | Φ1950±100 | Adjustable |
| 11 | Number of taphole | 2 | ||
| 12 | Electrode overhaul trip | mm | 1800 | |
| 13 | Working stroke of electrodes | mm | 1200 | |
| 14 | Electrode up & down | m/min | 0.5 | |
| 15 | Natural Power Factor | COSΦ | ≥0.85 | |
| 16 | Copper contact | PCS | 6 | |
| 17 | cooling water | t/h | 180 | Circulation |
Application:
Submerged arc furnace will be mainly applied for reduction of metallurgical ore to produce the FeSi, FeMg, FeCr, Ferrotungsten, SiMg and Titanium slag alloy, which will be the important material for metallurgical and chemical industries.
Features of the equipment:
For submerged arc furnaces, the lining will be made of carbon or magnesia refractory material. The electrode is self-baking. The electrode will be inserted into the charging material.The material will be molten by arc and current. The charging material will be continuously adding. The tapping will be batch type. It is a continuously operation industry furnace.
| Grade | Grade | Chemical Constituents | ||||
| code | Si(>) | Impurity content (<=) | Total impurities (<) | |||
| Fe | Al | Ca | ||||
| Chemical silicon | Si—2203 | 99.5 | 0.2 | 0.2 | 0.03 | 0.5 |
| Chemical silicon | Si—3303 | 99 | 0.3 | 0.3 | 0.03 | 1 |
| Si—3305 | 99 | 0.3 | 0.3 | 0.05 | 1 | |
| Si—441 | 99 | 0.4 | 0.4 | 0.1 | ||
| Metallurgical Silicon | Si—553 | 98.5 | 0.5 | 0.5 | 0.3 | 1.5 |
| Si—1 | 98 | 0.7 | - | 0.5 | 2 | |
| Si—2 | 98 | 1 | - | 0.6 | 2 | |
Main equipment for submerged arc furnaces
1. Furnace Shell
2. Furnace Cover
3. Fume exhaust system
4. Electrode System: electrode holder, electrode lifting device and electrode clamping/ releasing device
5. Charging System
6. Hydraulic System
7. High Current System
8. Water-cycling system
9. Tapping System
10. Transformer
11. L.V & H.V system
| No. | Name | unit | parameter | Remarks |
| 1 | Rated capacity of transformer | KVA | 8000 | |
| 2 | Transformer Primary Voltage | kV | 20 | |
| 3 | Secondary rated voltage of transformer | V | 130 | |
| 4 | Secondary rated current of transformer | A | 31977 | |
| 5 | Electrode diameter | mm | Φ650 | Graphite electrode |
| 6 | Furnace diameter | mm | 4600 | |
| 7 | Furnace depth | mm | 1950 | |
| 8 | Furnace shell diameter | mm | Φ6500 | |
| 9 | Furnace shell height | mm | 3700 | |
| 10 | PCD | mm | Φ1950±100 | Adjustable |
| 11 | Number of taphole | 2 | ||
| 12 | Electrode overhaul trip | mm | 1800 | |
| 13 | Working stroke of electrodes | mm | 1200 | |
| 14 | Electrode up & down | m/min | 0.5 | |
| 15 | Natural Power Factor | COSΦ | ≥0.85 | |
| 16 | Copper contact | PCS | 6 | |
| 17 | cooling water | t/h | 180 | Circulation |
