Henan Zhengzhou Mining Machinery CO.Ltd
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Vertical Shaft Kiln for Petroleum Calcination / Shaft Kiln Incinerator Price
Vertical Shaft Kiln Introduction:
Shaft Kiln originated in the sixty's of last century, is a kind of lime vertical kiln, with two shafts, inner shaft and outer shaft. The raw material is calcined between the inner and outer shaft space. ZK CORP is the best Kiln suppliers in China.
Shaft Kiln Technological Process:
Shaft Kiln inner structure from top to bottom is pre-heating zone, upper counter-follow calcining zone, lower parallel-follow calcining zone, and cooling / discharge zone. Raw material is screened firstly, then transferred to the top of the kiln by the hoisting hopper, and then feed into the kiln body by the rotary distributor evenly. Preheated raw material moves into the upper calcining zone along the annular furnace charge space in where the raw material is effective in decarburization. The almost-finished lime in the upper calcining zone moves into the lower calcining zone for effective homogeneous, then moves down to the cooling zone, finally drops into the lime silo under the kiln by lime pusher platform. The finished lime transferred to the storage by the belt conveyer.
Vertical Shaft Kiln Structure:
The raw material to be calcined is charged at the top of the kiln. It it then pre-heated by the combustion gases in the counter-current before reaching the burning zone. In the burning zone the material is calcined by means of fuel introduced together with primary combustion air through radially arranged burner lances. Cooling air is introduced at the discharge part of the kiln to cool the product in a counter-current manner. The heated cooling air travels upwards to the burning zone and is used again there as the secondary combustion air.
From the top of the kiln he exhaust gas are directed to a dust collecting system.
Specifications:
| Technical Parameters Of Vertical Klin (Mixed Fuel) | |||||||
| Capacity(t/d) | Effective Volume | Effective Height | Effective Section | Limestone Size | Heat Consumption | CaO | Activity |
| (m3) | (m) | Dia.(m) | (mm) | (kJ/kg) | (%) | (mL) | |
| 100 | 98 | 20 | Ø2.5 | 30~60/40~80 | <4600 | >90 | >300 |
| 120 | 141 | 20 | Ø3.0 | 30~60/40~80 | <4600 | >90 | >300 |
| 150 | 202 | 21 | Ø3.5 | 30~60/40~80 | <4500 | >90 | >300 |
| 200 | 301 | 24 | Ø4.0 | 30~60/40~80 | <4500 | >90 | >300 |
| 300 | 397 | 25 | Ø4.5 | 30~60/40~80 | <4400 | >90 | >300 |
| 400 | 491 | 25 | Ø5.0 | 30~60/40~80 | <4200 | >90 | >300 |
| 500 | 735 | 26 | Ø6.0 | 30~60/40~80 | <4200 | >90 | >300 |
| Remarks: All above data are for reference only. | |||||||
| Technical Parameters Of Vertical Lime Kiln (Fuel: Gas) | |||||||
| Capacity(t/d) | Effective Volume | Effective Height | Effective Section | Limestone Size | Heat Consumption | CaO | Activity |
| (m3) | (m) | Dia. or L×W(m) | (mm) | (kJ/kg) | (%) | (mL) | |
| 50 | 70 | 20 | Ø2.0 | 30~60/40~80 | <4600 | >90 | >300 |
| 70 | 80 | 20 | Ø2.5 | 30~60/40~80 | <4600 | >90 | >300 |
| 80 | 100 | 20 | Ø2.5 | 30~60/40~80 | <4500 | >90 | >300 |
| 100 | 120 | 20 | Ø2.7 | 30~60/40~80 | <4500 | >90 | >300 |
| 120 | 140 | 20 | Ø3.0 | 30~60/40~80 | <4400 | >90 | >300 |
| 130 | 150 | 21 | Ø3.0 | 30~60/40~80 | <4200 | >90 | >300 |
| 150 | 200 | 20 | 2.5×4.5 | 30~60/40~80 | <4200 | >90 | >300 |
| Remarks: Above data are for reference only, and suitable for Vertical Kiln which use low heat fuel. Utilization coefficient of Vertical Kiln which use high heat fuel is higher. | |||||||