Zhengzhou Dingli New Energy Equipment Co., Ltd.
Coal Slime Rotary Dryer1
Coal Slime Rotary Dryer2
Coal Slime Rotary Dryer3
Coal Slime Rotary Dryer

CapicitySupport Customization

Heat SourceSuitable for a variety of heat sources

ApplicationWidely used for drying all kinds of coal, lignite, carbon coal, including anthracite, lean coal, etc.

Capicity: 5.4-80(t/h)Cycle: 30-50(day)

  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.

National Patent

Low Operating Costs

Strong Stability

Mature Case

Product Working Principle

  Coal slime 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 drying drum divided into the following workaround: one is the feeding area, the coal into the area exchaged 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 broken beat, big wet mud after repeated broken beating,which are broken into 20-40 mm particles slime ball, 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;Three is the main drying area, through two area processing wet mud has a granular loose state, the material in this area is inclined by feed plate copying, form a uniform state of material, then have a full heat exchager with the hot air, strong evaporation;Four is 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;Five is Enhanced drying zone, after the crushing of small particles of mud from the area is raised in a dense copy board, fully absorb hot wind heat, discharge water, water requirements to meet the standard, ready to discharge;Sixth is the discharging area. In order to prevent the discharging dust, the roller is not equipped with a reading board in this area, and the material rolls to the discharging port. The coal slurry moisture drops to about 12-15% and is discharged from the dryer to complete the whole drying process.

Coal Slime Rotary Dryer Structure Diagram

Technical Parameters
Model Input capacity(t/h) Evaporation capacity(t/h) Raw material moisture(%) Outlet moisture(%) Drying temperature(℃) Total power(kw) Total weight(kg) Area(m²)
DLMG1412 5.4 1.2 30±3% 12-15%(can be adjusted) 850±100℃ 65 25000 6m*18m
DLMG1615 5.4 6.6 1.9 115 6m*18m
DLMG1916 13.5 3.0 138 67000 8m*24m
DLMG2218 19.8 4.4 170 85000 10m*24m
DLMG2518 25.6 5.70 240 92000 10m*30m
DLMG2522 31.5 7.0 320 110000 10m*36m
DLMG2823 41.4 9.2 450 150000 10m*36m
DLMG3430 80.0 17.7 680 26500 10m*48m
Product Entry:
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