Henan Hongke Heavy Machinery Co.,Ltd
ADDRESS:Gongye Road and Tonghang Er Road crossing, Shangjie District, Zhengzhou, Henan, China
As a kind of highly efficient, stable, and reliable heating drying equipment, the performance of Coal slime rotary dryer is better than tube bundle rotary dryer and blade rotary dryer, which is designed by Hongke group for the drying of dry materials of high moisture or strong stickiness.
As a professional rotary kiln dryer manufacturer, we are capable of offering kiln dryers which have the character of being easy to operate and durable in use. It is widely used for different materials with a sawdust dryer capacity of 200-5, 000kg per hour. In addition, we are also a professional sawdust dryer supplier, and the sawdust dryer manufactured in our factory can be widely used in drying slag, sand, coal and most of high moisture material. The coconut dryer drying time is 40-80mins.
The coal slime dryer consists of heating part, breaking part, belt feeder, feeding part, rotary drum, belt discharging part, fan, unloading part and distribution cabinet. The slime dryer is mainly used for dealing with following material:
1. Coal industry: including slime, coal, flotation coal concrete and mixed coal;
2. Construction industry: including blast furnace slag, clay, limestone, sand and quartz;
3. Or dressing industry: including all kinds of metal ore, slag and tailings;
4. Chemical industry: including non-heat-sensitive materials.
Features of Coal Slime Rotary Dryer
Large capacity, low fuel consumption, low drying costs;
High thermal efficiency: It adopts downstream drying. Both the heated gas and wet material enter the coal slime dryer from the same side, the high-temperature gas create strong evaporation and outlet temperature is comparatively low;
Operating parameters can be changed depending on the material properties, so that the material in the dryer cylinder body is capable of forming a stable full cut fabric curtain to get full heat exchange;
New feeding and discharging devices to solve the problem of feed clogging, not continuous, uniform and returning materials of the slime drum dryer reducing the load of dust removal system;
New internal structure, and strengthen the function of cleaning and thermal conductivity of the dispersed material, avoid material sticking on the cylinder wall;
It achieves "zero thrust" of this coal slime dryer, which greatly reducing wear of roller block, smooth and reliable operation;
Adopt "self-aligning roller-type device ", make roller and rolling ring linear touch forever, thus greatly reducing the wear and power loss;
The user can control the material particle size and moisture according to requirements, the finished slime moisture is less than 8%, and partical size can be controlled in 8mm.
Working principle of Coal Slime Rotary Dryer
Coal is a kind of fuel, and coal slime can also be burned at high temperature. Hongke has developed H serise rotary coal slime dryer, and 4 stage drying process are adopted for it. In the first stage, coal slime shall be fed and impacted at the temperature of 600℃, removing most of the moisture; in the 2nd stage, coal slime shall be scattered repeatedly to avoid sticking on the wall at the temperature of 450℃, the coal slime won’t be coked during this stage; in the 3rd stage, the coal slime shall be repeatedly lift up, broken and fell down by the breaking device at the temperature of 300-400℃; in the 4th stage, hot air drainage area with negative pressure and high temperature shall be formed by the induced draft fan at the temperature of 150-250℃. The temperature at discharging port is 60-80℃. The calorific value will be increased to 1, 400kcal with water content of 10% after drying process.