Rotary Kiln,roller kiln,dry kiln,cement kiln,kiln dryer,rotary lime kiln

Rotary Kiln

Gradient:3.5-4%

motor power:55-220KW

processing power:300-1800 t/d

[Applicable Material]:Rotary kiln belongs to building material equipment, which can be divided into cement kiln, metallurgy chemical kiln and lime kiln according to different materials.

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Application

Rotary kiln is a pyroprocessing device used to raise materials to a high temperature (calcination) in a continuous process. Materials produced using rotary kilns include:Cement, Lime, Refractories,Metakaolin, Titanium dioxide, Alumina, Vermiculite, Iron ore pellets
They are also used for roasting a wide variety of sulfide ores prior to metal extraction

Working principle

The kiln is a cylindrical vessel, inclined slightly to the horizontal, which is rotated slowly about its axis. The material will be calcined in the shell after feeding at the head of the kiln. The fuel will be spurted from the kiln tail and start burning. The hot air from the end blow into the kiln directly impacting the raw materials. And then will be turned over along the direction of circle and mixing from the high-end to low-end along the axial because of the shell’s slope and low speed rotation. The material will be calcined into the clinker after discomposition, calcination and cooling process. So they will discharge from the low-end.

Specification

Specification			Φ2.8/2.5X44	Φ3.2X52	Φ3X48	Φ3.2X50	Φ3.2X50	Φ3.3X50	Φ3.5X54
Capacity (t/h)			300	600	700	1000	1200	1200	1500-1800
Gradient (%)			3.5	3.5	3.5	3.5	4	4	4
Support Number (pc)			3
Round form of block			Mechanism	Mechanism or hydraulic		hydraulic
Tube Speed	Total ratio of speed (r/min)		0.445-2.22	0.676-3.38	0.676-3.38	0.36-3.57	0.4-4.07	0.36-3.57	0.39-3.9
Tube Speed	Assistance of drive (r/h)		4.75	9.36	9.36	6.5	6.5	5.61	7.66
Main drive	Motor	Model	ZSN4-225-21	Z2-101	ZSN4-280-091B			ZSN4-280-11B	ZSN4-315-092
		Rating power (Kw)	55	100	160	160	160	190	220
		Speed rang (r/min)	-1500
	Reducer	Rating voltage (v)	440
		Model	ZS145-1-l	ZS145-1-l	ZS145-1-l	ZSY450-40-v	ZSY450-40-v	ZSY450-40-v	NZS995-28VIBL
		Total ratio of speed	49.63	49.63	40	40	40	40	28
	Tachogenerator	Rating power (Kw)	22
		Speed rang (r/min)	0-2000
		Maximum voltage (v)	110
Assistant drive	Motor	Model	Y122M-4	Y160M-6	Y160M-4B				Y200L1-6
		Rating power (Kw)	4	7.5	15	11	11	15	18.5
		Speed rang (r/min)	1440	970	1460	1460	1460	1460	970
		Rating voltage (v)	380
	Reducer	Model	ZL35-16	ZL35-7-l	ZL35-7-l	ZSY160-31.5	ZSY160-31.5	ZSY160-31.5	ZSY355
	Reducer	Total ratio of speed	40.44	14	31.5	31.5	31.5	31.5	45

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