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HZG series rotary drum dryer

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HZG series rotary drum dryer

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Description：Working principle Material from into the material box guide groove into the rotary cylinder, fall into the set inclined pushing copy board area, the material will along the copy board quickly slid into the cylinder of the deep, to reduce material and…

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Working principle

Material from into the material box guide groove into the rotary cylinder, fall into the set inclined pushing copy board area, the material will along the copy board quickly slid into the cylinder of the deep, to reduce material and high temperature gas flow time and prevent pour material, material in entering a dry area of lifting plate, due to the body tilt and rotation, and entered the cylinder heat medium heat exchange, to dry the material, feed end in the cylinder, with shaking device, to prevent fertilizer in case of high temperature sintered on the inner wall, drying operation can be carried out as normal.

Drum dryer is a continuous dryer heated by heat conduction. It is suitable for drying liquid materials such as solution, suspension, colloid solution, etc..

Adaptive material

◎Chemical, mining, metallurgy and other industries large particles, drying, a large proportion of materials such as: mine, blast furnace slag, coal, metal powder, phosphate, ammonium sulfate.
◎For the drying of powder and granular materials with special requirements, such as HP foaming agent, lees, light calcium carbonate, activated clay, magnetic powder, graphite and slag.
◎Material requiring low temperature drying and requiring continuous drying in large quantities.

Performance characteristics

◎The drum dryer is highly mechanized and has large production capacity.
◎The fluid passes through the cylinder and has low resistance and low function consumption.
◎Good adaptability to material characteristics.
◎The operation is stable, the operation cost is low, and the drying uniformity of the product is good.

Schematic drawing

1. Heating device 2.Feeding device 3. supporting wheel device 4. Dry kiln 5.Driving device 6. Wheel supporting device 7.Discharging device

8.Cyclone separator 9. Fan

Technical specifications

Model	Direct heating fair current	Direct heating fair current	Direct heating counter current	Direct heating counter current	Compound heating	Compound heating
Material type	mineral	HP blowing agent	Blast furnace slag	ammonium sulphate	phosphate fertilizer	coal
Processing capacity (kg/h)	1000	466	15000	20000	12000	5000
Output water content(%)	30	13	6	1.5	5	6.5
Final water content(%)	15	0.3	1	0.1	0.1	0.1
Average particle size(mm)	6.5	0.05	4.7	0.5-1.7	0.5	5
Heavy material accumulation (kg/m³)	770	800	1890	1100	1500	750
Hot air quantity (kg/h)	3900	5400	10750	9800	6500	16000
Inlet gas temperature (^oC)	600	165	500	180	650	570
Material outlet temperature (^oC)		42	100	70	80	75
Heating method	coal gas	Steam electric heating	heavy oil	Coal-fired hot blast stove	heavy oil	Coal-fired hot blast stove
Loading coefficient		6.3	7	7.5	7.8	18
Speed(rpm)	4	4	3.5	3	4	2
Slope	0.04	0.005	0.03	0.05	0.05	0.043
Number of boards	12	24	12	22	outside the inner cylinder 8 outside the inner cylinder 16	6 12
Dryer diameter(m)	2.0	1.5	2	2.3	The outer cylinder 2 The inner cylinder 0.84	The outer cylinder 2.4 The inner cylinder 0.95
Dryer length(m)	20	12	17	15	10	16
Driving power(kw)	22	7.5	15	11	11	15