Vertical Mill

    HRM Vertical Mill applies to grind coal, coke, cement raw material, gypsum, barite, phosphorite, calcite, kaolin and other medium degree hardness solid material. HRM series vertical mill is integrated with crushing, drying, grinding and separating. Process flow is easy. Compared with tube mill, vertical mill has many advantages. High grinding efficiency; Reducing 20-30% electricity consumption; Big drying ability; Material moisture can be 15%; Material in-size is bigger; Degree of product fineness is easier to adjust; Chemical composition is steady; No steel ball impact; No direct touch between metals; Low noise; Low wear; There is separator in mill, no need to match powder concentrator; Small cover area; Grinding rollers can be taken out of the mill; Easy maintain and so on.

Specification and Main Technical Parameters of HRM.HRB Vertical Mill
Table 1:

Technical parameters//Size		HRM800	HRM1100	HRM	HRM	PRM	PRM	PRM	PRM
Mill disk diameter	mm	Φ800	Φ1100	Φ1250	Φ1300	Φ1400	Φ1550	Φ1720	Φ2500
Grinding Material		Raw material	Raw material	Raw material	Raw material	Raw material	Raw material	Raw material	Raw material
Capacity	H/T	3-6	7-9	10-16	16-20	18-22	22-28	30-36	38-45
Feeding Size	MM	0-25	0-30	0-30	0-30	0-30	0-30	0-50	0-50
Material Moisture	%	＜10	＜10	＜10	＜10	＜10	＜10	＜10	＜10
Out-put size R0.08	%	8-12	8-12	8-12	8-12	5-7	8-12	8-12	8-12
Out-put Moisture	%	＜1	＜1	＜1	＜1	＜1	＜1	＜1	＜1
Motor Power	KW	55	115	160	200	200	200	400	450
Air-in Temperature	℃	＜450	＜450	＜450	＜450	＜450	＜450	＜450	＜450
Air-out Temperature	℃	80-95	80-100	80-100	80-100	80-100	80-100	80-100	80-100
Air-out volume	M3/H	-10000	-20000	-30000	-40000	-45000	-65000	-80000	-100000
Weight	T	14	25	30	40	45	50	75	86T

Remark: Model HRM is national design.
Model PRM is national produced vertical mill by introducing German technology of Krupp Polysius Company.

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