1.2mm Coil 850 Degree Celcius Industrial Electric Heat Treat Furnace
850 Degree Celcius Accurate Control Steel Wire Annealing Furnace
1. Application of electric heat treat furnace
The pit type annealing furnace is used for annealing and spheroidizing heat treatment
of metal wires, steel coils and alloy wires.
The furnace is suitable for heat treatment 950℃ such as high temperature
annealing other heat treatment process.
pit type furnace/steel wire annealing furnace/ electric heat treatment furnace
2. Main Parameters of electric heat treat furnace
| No. | Name | Technical Parameter |
| 1 | Rated heating power | 300KW(1-100% adjustable) |
| 2 | Power supply | 380V,3phase,50HZ |
| 3 | Rated temperature |
Max temperature:950℃ Normal annealing temperature: 700-850℃ |
| 4 | Temperature control zone | 3 zones (upper, middle and lower) |
| 5 | Furnace cover lifting | Lifting by crane |
| 6 | Muffle tank size | Ø2300×1900mm (diameter × height) |
| 7 | Temperature uniformity | ±10℃ |
| 8 | Temperature control accuracy | ±2℃ |
| 9 | Furnace surface temperature rise | ≤45℃ |
| 10 | Empty furnace power consumption | ≤18% |
| 11 | Temperature control method | SCR, PID control, Intelligent temperature controllor, over temperautre alarm and timing function |
| 12 | Heating side | 4-side heating |
| 13 | Furnace lining |
refractory fiber for wall and cover; refractory bricks for bottom |
| 14 | Heating elements | 0Cr25AL5 resistance belt |
| 15 | coil information |
1.2mm wire diameter; Coil outerd diameter: 380-400mm; Coil height:130mm; Coil weight: 20kg/coil; |
| 16 | Coil loading method | 19 coils per layer *14 layers |
| 17 | Number of coil loaded | About 266 coils |
| 18 | Loading capacity | About 5.3ton |
pit type furnace/steel wire annealing furnace/ electric heat treatment furnace
3. Main Components Origin
| No. | Item | Manufacturer |
| 1 | Temperature controller | Huibang, Changzhou |
| 2 | SCR | Wister, Jiangsu |
| 3 | Electrical resistance belt | SHOUGANG, Beijing |
| 4 | Heat preservation material | Luyang, Shandong |
| 5 | Refractory material | Yixing, Jiangsu |
| 6 | Normal steel material | Masteel |
| 7 | 321 stainless steel | Tai Steel |
pit type furnace/steel wire annealing furnace/ electric heat treatment furnace
4. Composition
The RJ2-300-9 pit type annealing furnace is comprised of furnace shell, furnace lining, heating
element, furnace cover, electric control system and temperature automatic control system.
pit type furnace/steel wire annealing furnace/ electric heat treatment furnace
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