High capacity energy saving coal dryer

coal dryer 1.high dry strength&short dry time 2.energy saving 3.thermal Efficient can be 60% 4.smooth&reliable coal dryer

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coal dryer

 

1.Introduction of coal dryer

Coal dryer is widely used for drying materials in the industries of cemet, mine, construction, chemical, food, compoud fertilizer, etc. Feeding and discharging unit is installed with thermocouple to control coal dryer temperature. The temperature change of coal dryer's feeding end can be indicated by the thermometer to control the inner coal dryer temperature ( generally 250-350°C)

 

2.Structure of coal dryer

Coal dryer machine is mainly composed of shell, back and forth supporting wheel, feeding and discharging unit and gear cap. The accessories which are not in the the scope of this machine include firebox, feeding and discharging equipment, dust catcher, etc.

 

3. Working principle of coal dryer Coal dryer adopts direct flow type of heating with heat soure from firing unit. The material to be dried is pushed back immindiately by spiral board when enters the coal dryer shell from feeding tank and feeding chute. Because the coal dryer is installed in slope, material flows to the back end under gravity and rotation force, meanwhile, it is lifted by board repeatedly and thrown down accordingly, which make the material form even curtain, and exchange heat sufficiently with inner the heat flow. In the end, water in the material is dried by repeatedly scattering.

 

4.Technical paraneters of coal dryer

Model	The Diameter (mm)	The  Length (m)	Slope(°)	Speed (r/min)	Power (kw)	Volume (m3)
0.6×8-12	600	8-12	3-5	8	4	2.26
0.8×10-10	800	10-12	3-5	7.2	4	5.02
1.0×10-12	1000	10-12	3-5	6.73	5.5	7.85
1.2×12-18	1200	12-18	3-5	5.8	11-15	13.31
1.5×12-18	1500	12-18	3-5	4.8	15-22	21.2
1.8×12-18	1800	12-18	3-5	3.2	18-30	48.22
2.2×12-22	2200	12-22	3-5	3	22-30	70.43
2.8×15-24	2800	15-24	3-5	2.59	30-55	147.8

 

 

 

 

High capacity energy saving coal dryer