Vertical Roller Mill For Sale

LM series Vertical Roller Mill Working Principle

When the LM series vertical mill works, the motor drives the grinding table through decelerator. The materials fall down the center of grinding table from feed opening. At the same time, hot air comes into the roller mill from the air inlet. Due to the centrifugal force, materials move to the edge of the grinding table. The materials are pulverized by the roller when bypass of the groove on the grinding table.

The crushed materials are brought up by vane high-speed airstream, the larger particles fall down to the grinding table for regrinding. When the materials in the airstream pass the separator on the top of the roller mill, the coarse powder will fall down the grinding table for regrinding under the function of rotation rotor.

The fine powder comes out with the airstream, and is gathered by the dust catcher. The materials content with moisture will be dried when they meet the hot airstream. Through adjusting the temperature of the hot airstream, it can meet different material’s requirement, and also through adjusting separator, it can reach proper fineness of materials.

LM Vertical Roller Mills Pulverizing Application

In industries, such as cement making, power, metallurgy, chemical industry, non-metallic mineral, LM series vertical roller mills have been widely used to grind granular and powdered materials into powder with required fineness.

LM Vertical Roller Mill Grinding Particles Size and Capacity

Regarding the vertical ore mill, the products size is ranging between 80 meshes and 325 meshes. While the finished size after ground by vertical coal mill is less than 15% (R0.08). And the biggest feeding size to be ground by LM series vertical mill must be less than 55 mm.

The particle size adjustments of this vertical mill are simple, with minimal noise and vibration. The working environment is also protected with measures to prevent particle escape.

There are also some successful project case about LM Vertical Roller Mills, such as : Calcite Grinding , Crushed Calcium Carbide Screening.

Vertical Mineral Mill Model and Technical Date:

Model		LM130K	LM150K	LM170K	LM190K	LM220K	LM240K
Rotate Median Diameter (mm)		1300	1500	1700	1900	2200	2400
Capacity ( t/h)		10~30	13~40	18~57	23~72	36~114	41~128
Product Size	mm	170~45	170~45	170~45	170~45	170~45	170~45
	Mesh	80~325	80~325	80~325	80~325	80~325	80~325
Moisture		≤1%	≤1%	≤1%	≤1%	≤1%	≤1%
Max Feeding Size ( mm)		<38	<40	<42	<45	<50	<55
Moisture of Feeding Material		<4%	<4%	<4%	<4%	<4%	<4%
Moisture Should Be Dry		<15%	<15%	<15%	<15%	<15%	<15%
Temperature of Inlet - ℃		<350	<350	<350	<350	<350	<350
Temperature of Outlet - ℃		70~95	70~95	70~95	70~95	70~95	70~95
Power of Main Motor(kW)		185~220	250~280	355~400	450~500	710~800	800~900
Overall Dimension	Length(mm)	3500	4200	4700	8500	10200	11700
	Width(mm)	3400	3900	4500	5600	6700	7700
	Height (mm)	5800	7100	8300	8800	10600	12200
Weight (t)		48	75	90	100	125	160

Vertical Coal Mill Model and Technical Date:

Model		LM130M	LM150M	LM170M	LM190M	LM220M	LM240M
Rotate Median Diameter (mm)		1300	1500	1700	1900	2200	2400
Capacity ( t/h)		10~15	16~22	20~28	26~35	35~45	40~50
Product Size ( R0.08)		<15%	<15%	<15%	<15%	<15%	<15%
Moisture		<1%	<1%	<1%	<1%	<1%	<1%
Max Feeding Size (mm)		<38	<40	<42	<45	<50	<55
Moisture of Feeding Material		<15%	<15%	<15%	<15%	<15%	<15%
Temperature of Inlet (℃)		<350	<350	<350	<350	<350	<350
Temperature of Outlet (℃)		75~95	75~95	75~95	75~95	75~95	75~95
Hardgrove Grindability Index (HGI)		>55	>55	>55	>55	>55	>55
Power of Main Motor ( kW)		185	250	315	400	500	560
Overall Dimension	Length (mm)	3500	4200	4700	8500	10200	11700
	Width(mm)	3400	3900	4500	5600	6700	7700
	Height(mm)	5800	7100	8300	8800	10600	12200
Weight ( t)		46	75	94	100	122	157

 Note: This specification is just reference, any changes are subject to the products.