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Dolomite Magnesia Vertical Shaft Kiln Calcination Lime Cement Kiln
Product introduction:
Vertical kiln refers to thermal equipment that continuously calcines clinker by top feeding and bottom discharging. It consists of a kiln body, feeding and discharging devices, ventilation equipment, etc. Vertical kiln is widely used to calcine various refractory materials and lime. Vertical kiln is a modern lime kiln with environmental protection, energy-saving functions, and a high degree of mechanization and automation. By using modern technology, we can make full use of cheap energy, especially gases that were originally polluting the environment (such as converter gas, blast furnace gas, calcium carbide furnace tail gas, etc.) as the main energy source, turning waste into treasure. The vertical kiln is a cylindrical kiln body. The materials are added from the top of the kiln and discharged from the bottom of the kiln after calcination. Because the vertical kiln is arranged vertically, the feeding adopts a single bucket elevator arranged at a large angle, and the functional areas are compactly arranged to reduce the floor space.
Advantages:
1. The kiln body steel structure has fewer machined parts and lower processing costs; installation is not difficult, the refractory masonry is easy, and investment is small.
2. The fuel adaptability is wide; the mixed-firing kiln use lump coal and coke; the gas-firing kiln can use high-calorific value fuels such as natural gas, coke oven gas, and petroleum gas, and can also use low-calorific value fuels such as converter gas, blast furnace gas, calcium carbide furnace tail gas, semi-coke gas, and generator gas; the oil-firing kiln can use heavy oil, diesel and other liquid fuels.
3. Kiln skin is built vertically with four layers of refractory materials, which has good insulation effect. The kiln skin temperature can be controlled to be higher than ambient temperature, which saves energy significantly.
4. Refractory material has long service life. The material does not directly collide with refractory material on the working surface, but relies on gravity sedimentation and friction with the working surface; this reduces the wear rate of refractory material.
Specification:
| Capacity(t/d) | 50 | 100 | 150 | 200 | 300 | 400 |
| Distributor | TL-1 | TL-2 | TL-2 | TL-3 | TL-3 | BL-4V |
| Vertical kiln | 60m³ | 150m³ | 200m³ | 250m³ | 400m³ | 500m³ |
| Kiln chamber cross section | Round | |||||
| Ash machine | TF-1 | TF-2 | TF-2 | TF-3 | TF-4 | WF-5 |
| Calcination temperature /℃ | 1100±50 | |||||
| Energy consumption index /kCal/kg | 950±50 | |||||
| Power consumption index /kW·h/t 石灰 | 25±5 | |||||
| Limestone : Lime | 1.6~1.75:1 | |||||
| Lime overburning rate /% | ≤13 | |||||
