The coal slime is coal washing process of industrial waste residue. Due to coal slurry with high moisture content, high viscosity, high water, and low calorific value such many other adverse conditions, it is difficult to realize industrial use, based on the coal slime industry market and the characteristics of coal slurry, through many times technical research and practice,Dingli company developed a new generation of coal slime drying system meticulously, drying product moisture is less than 15%, the calorific value of coal can achieve 2800-4200 kcal/kg,it is a good fuel of coal boiler. This set of equipment technology is mature, stable running, convenient operation and maintenance.
This coal dryer equipment can be used for drying all kinds of coal, lignite, carbon coal, including anthracite, lean coal and poor lean coal, lean coal, coking coal, fat coal, air fertilizer coal, gas coal, coal and weakly caking coal, not sticky coal, long flame coal, lignite, coal washing, screening, raw coal, bituminous coal,the tail coal, midding coal, etc. Equipment can be made according to the customers' requirements.
Coal drum dryer is mainly composed of hot blast stove, belt feeding machine, drum dryer, belt discharging machine, induced draft fan, cyclone dust collector, bag filter (or wet dust collector) and operation control system.
The special Coal Slime Dryer uses a special dispersing device to break up the bonded slime and dry it. The contact area between the slime and the hot air is increased, and the heat utilization rate is greatly improved. The dried slime can reduce the moisture to less than 12% at one time, and the dried coal slime can be directly used as a fuel, which makes the coal slime into treasure.
Coal drum dryer is mainly composed of hot blast stove, belt feeding machine, drum dryer, belt discharging machine, induced draft fan, cyclone dust collector, bag filter (or wet dust collector) and operation control system. Equipment used downstream drying process, its working principle is as follows: wet material after entering the drying drum divided into the following workaround:
1. Feeding area, the coal into the area exchanged with high temperature and hot air quickly evaporate moisture, the material in large Angle of guide plate copy, to be imported under a workspace.
2. The crushing beat cleaning area, equipment design in this area have broken beat cleaning device, wet mud grabbed by grating copy board has broken beat, big wet mud after repeated broken beating, which is broken into 20-40 mm particles slimeball, forming curtain material status, increase the heat exchange area, improve the drying rate, reasonably cleaning the mud in the cylinder wall, and prevent mud adhesion.
3. Main drying area, through two areas processing wet mud, has a granular loose state, the material in this area is inclined by feed plate copying, form a uniform state of the material, then have full heat exchange with the hot air, strong evaporation.
4. Pounding broken dry area, in the region after repeated pounding broken mud, mud particles from 20-40 mm broken into 10-20 mm size (request), and moisture further reduced.
| Model | Capacity（T/D） | Initial moisture（%） | Final moisture（%） | Total Power（kw） | Covering area（m²） |
| DLMG1916 | 300 | <30 | 13±2 | 130 | 42*16 |
| DLMG2220 | 500 | 150 | 46*16 | ||
| DLMG2522 | 800 | 200 | 48*16 | ||
| DLMG2825 | 1000 | 250 | 51*16 | ||
| DLMG3026 | 1300 | 280 | 52*18 | ||
| DLMG3228 | 1500 | 330 | 55*18 | ||
| DLMG3430 | 1800 | 380 | 56*18 | ||
| DLMG3632 | 2200 | 450 | 58*18 | ||
| DLMG3835 | 2700 | 560 | 60*18 | ||
| DLMG4036 | 3000 | 660 | 60*18 | ||
| Note: the capacity of equipment is directly related to the reduction of water content of coal. The proportion of precipitation is large, and the production capacity of equipment decreases correspondingly. Specific consulting Dingli company. | |||||
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