Nov 14, 2011 For a proper designed cement grinding department with tube mill, the department specific power consumption for producing OPC at 3200 Blaine can be 38-45 kWh/t For vertical mill - 35-42 KWh/t The main aplication for vertical mills for cement grinding was considered as a
blaine and power and tph relationship. dear all. fls gives a formula to convert tph with change in blaine . similarly for variation in power with change in blaine tph. both formulas are separate for open closed ckt. what is the logic of calcualtion means how we can generate the
Ball Mill Performance Efficiency S. Description Symbol Formula Example No. 2 New Specific power cons. (sp. power Vs. Blaine) Formula NPR E1 E (S1 / S)n kWh/TC 1 New production rate (Mill output Vs. Blaine) NPR New specific power E 32.5 E Old specific power S1 5000 S1 New Blaine S 4000 S Old Blaine n 1.3 n Mill exponent for close ckt 1.3 E1 43.44 OPB 118 Formula tph
Typical power requirement of finished ball mill Example Total consumption 3333 kW, 104 t/h product Total Power Consumption 32,0 kWh/t ... o 27-32 kWh/t at 3000 cm/g acc. Blaine o 39-47 kWh/t at 4000 cm/g acc. Blaine ... Significant reduction in specific power consumption of the mill was achieved despite relatively coarse products.
12-07-2019 Roller Mill Power Consumption Vs Blaine diamuraal. 30/10/2010 ball mill power consumption vs blaine paramounthotels. Cement mill notebookSlideShare Tube mills have a ratio of length to Blaine Ball Mill diameter of 361 for ball mill this say that to obtain cement with a . ball mill power consumption vs blaine villajelena. Get Price
May 08, 2017 Grinding Mill Power Scale-Up. Probably one of the most comprehensive experimental investigations of the power demands of the ball or tube mill is that carried out by one of the present authors, with a worker, Rose and Evans by use of small-scale models the test apparatus being that shown in Fig. 3.1.
Mill throughput (Production vs. Blaine) To calculate the target production, the following formula is adapted. Where P1 current output P2 new (target) output B1 current blaine B2 new blaine Calculation of mill throughput for mill 4, given the following data the target output (production, P
Ball Mill Designpower Calculation. Ball Mill Grinding Capacity Calculator Ball Mill MotorPower Sizing Calculation Ball Mill DesignSizing Calculator The power required to grind a material from a given feed size to a given product size can be estimated by using the following equation where W power consumption expressed in kWhshort to HPhrshort ...
4797 feed mill equipment suppliers in south africa having the feed mill make bulk sweet feed feed mill grinder parts feed mill machinery manufacturers in pakistan mill feed mill price feed size of iron ore to ball mill iron ore sinter feed 18th feed grinder factory
Nov 14, 2011 For a proper designed cement grinding department with tube mill, the department specific power consumption for producing OPC at 3200 Blaine can be 38-45 kWh/t For vertical mill - 35-42 KWh/t ... Power consumption for ball mill 20 - 450 KW Power consumption for roller mill 20 - 75 KW
Lalbatros ntuitively, I would prefer the Blaine to correlate with power consumption. ... 3600 blain VRM (ok mill) will have a RRSB slope of 0.95 (Approximate), similar blain in ball mill will have higher slope around 1.1), which clearly indicates diffrent residues for same slope.
Mill Power Consumption Example. Ball mill 3.5 m x 3.5 m Rubber lining 75 mm % Mill volume charge 40% Grinding balls diameter 70 mm Mill operational speed 17.6 Calculate the optimum power consumption to operate the mill. Solution
Power consumption per ton of cement can be reduced by 8 12 kWh, representing 15% to 30% saving over a traditional ball mill system. System output can be increased by more than 100%. Specific energy consumption is around 30 kWh/t-cement for grade 32.5 and around 33 kWh/t-cement for grade 42.5 (MIIT, 2012. p.25)
May 3, 2010 ... In this article, that was presented at Cemtech Middle East 2010 in Dubia, ... Figure 3 specific power consumption ball mill vs Loesche VRM. Get Price. Here - Minerals Engineering International Online ... Is there any calculation regarding Dry Fly Ash fineness Vs Mill Output with the blaine of 360m2/Kg ... s asked by someone ...
8.3.2.2 Ball mills. The ball mill is a tumbling mill that uses steel balls as the grinding media. The length of the cylindrical shell is usually 11.5 times the shell diameter ( Figure 8.11). The feed can be dry, with less than 3% moisture to minimize ball coating, or slurry containing 2040% water by weight.
A.S. Erdem, .L. Ergn, A.H. Benzer 222 () KW b D V p fC s C S s s 910 0.3 2 0.1 4.879 3.2 3 1 (1) where Kwb Kilowatts per metric ton of balls D Mill diameter inside liners in meters Vp Fraction of mill volume loaded with balls fCs Fraction of critical speed Ss Ball size factor To determine the power that a dry grinding ...
Mill power Usually, plant operators use mill power readings as an indicator of ball filling degree and, often, try to keep it at the maximum level. It is well known that the mill absorbed power depends on operating parameters other than ball level, such as pulp density and liner configuration. Figure 2 shows that there is no linear relation between
Type GGBFS 4000 Blaine Slag grindability 70 kWh/t the mill shaft 4000 Blaine Total feed mixture moisture 1.5% mill inlet Estimated Production rate 7 t/h Estimated Total plant power consumption 84 kW/t/h
Jan 07, 2015 Specific power consumption for clinker/gypsum grinding in a ball mill should be approximately 3000 cm2 /g 24.4 kWh/t 3200 cm2 /g 26.8 kWh/t 3400 cm2 /g 29.4 kWh/t 3600 cm2 /g 32.0 kWh/t 3800 cm2 /g 34.7 kWh/t 4000 cm2 /g 37.5 kWh/t Note The specific power demand of large grinding units is 10-15% better than that of small mills. 8.1 ...
Aug 19, 2019 Power consumption for ball mill circuit is the highest followed by Vertical Roller Mill Roller Press. For Decision on new Cement Grinding, it is essential to not only consider power requirement, but also equipment reliability, maintenance requirements, plant availability, operational flexibility, cement quality of course investment cost ...
Power Consumption For Ball Mill. Power Consumption For Ball Mill. The ball mill motor power requirement calculated above as 1400 HP is the power that must be applied at the mill drive in order to grind the tonnage of feed from one size distribution The following shows how the size or select the matching mill required to draw this power is.
Ball Mill Vs Vertical Mill In White Cement Production. Ball Mill Vs Vertical Mill In White Cement Production. Cement is so fine that 1 pound of cement contains 150 billion grains.The cement is now ready for transport to ready-mix concrete companies to be used in a variety of construction projects.Although the dry process is the most modern and popular way to manufacture cement, some
of grinding media in ball mills for both chambers Page Aug 02 2014 of grinding media in ball mills for both chambers Hai friends Can you tell me anybody about how much of grinding media required for first second chambers Ball to Clinker Ratio for cement grinding with 3000 blaine How to estimate the of grinding media with empty height
Blaine In Vertical Roller Mill parafiamchy.pl. Vertical Mills Blain S Strzelnicastarachowice. Fineness acc. to Blaine cm2g 4 500 5 000 Figure 1 Specific power consumption of ball mill system vs vertical roller mill system for OPC grinding Ball mill system Loesche Power consumption kWht VRM system 20 40 60 80 100 120 140 160 Fineness acc. to Blaine
the application of ball mill power from fine (minus P80 product size) to coarse material, circuit efficiency is increased and overgrinding is ... hardness, and other factors. Consumption is closely related to total ball charge surface area. A useful guideline for make-up ball size for a
Pi of the mill is 3,150 kW - calculated Pabs 2,988 kW which results in 15 kWh/t specific power consumption at a production of 200 t/h and blaine of 3,600.The ball mill is running in closed circuit with a separator at nominal airflow of 300,000 m3/h.
Jun 30, 2020 1. Comparison of power consumption Depending on the abrasiveness of the raw materials and the particle size of the product, the ball mill consumes 3 to 4 times more energy than the Raymond mill. The ball mill also consumes about 30% more energy than the vertical mill, but the fine powder of the Raymond mill and the vertical mill.
Output vs Blaine residue. Blaine calculator. Simulations. Ball mill simulation. Separator simulation. ... but Users need a certain experience to implement results of these calculators . Sizing equipments and mills optimization are the job of material suppliers and experienced engineering offices. ... Ball mills internals simulation ...
Jan 01, 2015 For example, for an 36 17 SAG Mill, with a power consumption of 11.7 MW, operating at 73% solids, 13.5% balls charge and at 76% of the critical speed, with 50% of the feed in the size class 6 1 it could be possible to increment in 2% the balls charge (to 15.5%), reducing the % 6 1 to 34.8%, with no changes in the ...
The power ingesting of a grinding process is 50-60% in the cement production power consumption. The Vertical Roller Mill (VRM) reduces the power consumption for cement grinding approximately 30-40% associated with other grinding mills. The process variables in cement grinding process using VRM are strongly nonlinear and having large time
2. Reducing the power consumption of the raw material preparation effectively. According to the display of material production measured data, it can be saving electricity above 30% use of vertical roller mill production per ton raw material than traditional ball mill, and power saving effect is very remarkable. 3. Finished product has high quality.
May 11, 2020 In March 2018 the ceramic balls were installed in mill No 2. According to plant data, resulting power consumption has fallen from 30.04kW/h to 26.88kW/h a reduction of 3.16kW/h.
roller mill system for OPC grinding Ball mill system Loesche Power consumption kWh/t VRM system 20 40 60 80 100 120 140 160 Fineness acc. to Blaine cm2/g 3 000 4 000 5 000 6 000 Figure 2 Specific power consumption of ball mill system v/s vertical roller mill system for slag grinding Fundamentally, ball mills use proportionately more energy
Slag powder is high-performing admixture for concrete in that it increases the concretes ability to resist compression, tension, shear, and bending stresses. A major trend that characterizes the building material industry is to replace equal amount of cement with slag powder in making concrete or cement products.
Mar 16, 2018 Output (t/a) Model of Vertical Roller Mill Capacity (t/h) Mill Power Consumption (kWh/t) Grinding System Power Consumption (kWh/t) Coal Consumption (kg/t) 200,000 GRMS26.21 30 32 300,000 GRMS33.31 50 30 42 18 600,000 GRMS46.41 105 28.5 37 18 1,000,000 GRMS53.41 160 26.5 35 17 Note 1. Final GGBFS Blaine Fineness 4300 cm/g 2.
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