weight and surface of grinding charges
DESCRIPTION
goodTRANSCRIPT
16/5/2016 Weight and surface of grinding charges
http://www.thecementgrindingoffice.com/charges.html 1/2
The Cement Grinding OfficeThe Art Of Sharing and...Imagination
www.thecementgrindingoffice.com All rights reserved © 2012‐2015 The Cement Grinding Office
Weight and surface of the grinding charges Grinding balls (Specific gravity: 7,80 kg/dm3) Cement mill with 2 chambers
Chamber 1
Diameter(mm)
weight/ball(gr)
surface/ball(mm2) tons % total surface
(m2) Balls number
40 261 5027 10 20,0% 192,31 38258
30 110 2827 15 30,0% 384,62 136030
25 64 1963 15 30,0% 461,54 235060
20 33 1257 10 20,0% 384,62 306067
0 0 0 0 0,0% 0,00 0
0 0 0 0 0,0% 0,00 0 Total ‐‐‐‐‐‐‐‐‐‐‐‐> 50 100,0% 1423,08 715415 Surface/ton 28,46 m2/t Average weight 69,9 gr/ball
Possible interpretaĕon (*): Choose the type of circuit With pre‐grinding system and recirculaĕon of part of the cakes First opinion without further data it depends of the first chamber length (*) With normal condi�ons (feed granulometries, components hardness, chamber length...)
Chamber 2
Diameter(mm)
weight/ball(gr)
surface/ball(mm2) tons % total surface
(m2) Balls number
20 33 1257 67 45,0% 2576,92 2050650
17 20 908 82 55,0% 3710,41 4086710
0 0 0 0 0,0% 0,00 0
0 0 0 0 0,0% 0,00 0
0 0 0 0 0,0% 0,00 0
0 0 0 0 0,0% 0,00 0
0 0 0 0 0,0% 0,00 0
0 0 0 0 0,0% 0,00 0
0 0 0 0 0,0% 0,00 0 Total ‐‐‐‐‐‐‐‐‐‐‐‐> 149 100,0% 6287,33 6137361 Surface/ton 42,20 m2/t Average weight 24,3 gr/ball
Possible interpretaĕon: Choose the type of mill Classical 2 chambers mill circuit in closed circuit First opinion without further data Too fine ball charge
Monochamber mill (Raw, Cement and Slag) (*)
Diameter(mm)
weight/ball(gr)
surface/ball(mm2) tons % total surface
(m2) Balls number
0 0 0 0 NaN 0,00 0
0 0 0 0 NaN 0,00 0
0 0 0 0 NaN 0,00 0
0 0 0 0 NaN 0,00 0
0 0 0 0 NaN 0,00 0
Home About Us Services Mining Area Links and Contact
16/5/2016 Weight and surface of grinding charges
http://www.thecementgrindingoffice.com/charges.html 2/2
0 0 0 0 NaN 0,00 0
0 0 0 0 NaN 0,00 0
0 0 0 0 NaN 0,00 0
0 0 0 0 NaN 0,00 0
0 0 0 0 NaN 0,00 0 Total ‐‐‐‐‐‐‐‐‐‐‐‐> 0 NaN 0,00 0 Surface/ton NaN m2/t Average weight NaN gr/ball
(*) Too many cases possible for a rough interpreta�on
Compartment with cylpebs
Dimension(mm×mm)
weight/cyl(gr)
surface/cyl(mm2) tons % total surface
(m2)Cylpebsnumber
16×16 25 1206 0 NaN 0,00 0
12×12 11 679 0 NaN 0,00 0
0 0 0 NaN 0,00 0
0 0 0 NaN 0,00 0
0 0 0 NaN 0,00 0
0 0 0 NaN 0,00 0
0 0 0 NaN 0,00 0 Total ‐‐‐‐‐‐‐‐‐‐‐‐> 0 NaN 0,00 0 Surface/ton NaN m2/t Average weight NaN gr/ball
www.thecementgrindingoffice.com All rights reserved © 2012‐2015 The Cement Grinding Office