# ball mill power consumption vs blaine

### (PDF) Determination of correlation between specific energy

Keeping the vibration values on the main driving motors less than 4 mm/s by periodical maintenance the specific electrical energy consumption of the mill has reduced by 2.16 to 24.97 kWh/ton 2.10.5 Characterisation of Separator Efficiency in a Ball Mill Circuit 18. Separator efficiency is defined as specific power consumption reduction of the mill open-to-closed-circuit with the actual separator compared with specific power consumption reduction of the mill

### Ball Millsan overview ScienceDirect Topics

2.10.5 Characterisation of Separator Efficiency in a Ball Mill Circuit 18. Separator efficiency is defined as specific power consumption reduction of the mill open-to-closed-circuit with the actual separator compared with specific power consumption reduction of the mill Keeping the vibration values on the main driving motors less than 4 mm/s by periodical maintenance the specific electrical energy consumption of the mill has reduced by 2.16 to 24.97 kWh/ton

### Ball Mill Calculations Mill (Grinding) Industrial

Ball Mill CalculationsFree download as Excel Spreadsheet (.xls) PDF File (.pdf) Text File (.txt) or view presentation slides online. ball mill calculations 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

### Ball Mill Calculations qn8532wzgkn1

Mill effective diameter mts a 0.578 a Arm of gravity Pn 2538 Target 3 Power consumption gross New production rate (Mill output Vs. Blaine)-Pg Pn 100 100 Pn 2450 kW Em Eg Em 95 Em Motor efficiency Eg 95 Eg Gearbox/girth gear efficiency Pg 2715 Target 4-NPB tph Formula-1 OPB OPB OB 118 4000 Ambuja Cement Rajasthan Limited Ball consumption (SEEC) of about 5 kWh/t on mill motor power consumption at a mill motor total SEEC of 30 kWh/t. This results in a loss of 16 simply due to completely deformed second chamber media. In many site visits observed by the author although plant operators have carried out ball sorting mainly only ball classification was carried out.

### Ball MillsPSP Eng

Mill design Seating on shoe-type bearings integral circumferential drive with a gearbox DMG2. Product expected Portland cement 42 5 with 3 200-3 300 Blaine. The capacity is based on a speciﬁ c energy consumption 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

### Energy consideration in cement grinding

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 cm²/g acc. Blaine o 39-47 kWh/t at 4000 cm²/g acc. Blaine Significant reduction in specific power consumption of the mill Ball charge loading impact on specific power consumption methods comparing blaine to microns sieve size Lundberg ball mill power consumption vs More ball. comparing blaine to microns sieve sizeinstint. Sieve Comparison Table Starch. Sieve Comparison Table. The micron is the unit of measure in The fines is passing the sieve. particle

### Charge behaviour and power consumption in ball mills

Aug 01 2001 · Fig. 2 shows the variation of the average torque and power with mill speed for the ball mill described above with a fill level of 50 . The torque increases slowly until the peak is attained around N=80 .As the amount of cataracting increases the balance of the charge improves and the torque required to maintain the asymmetric charge position declines steadily. Ball mill TSVTM 3 920 Blaine Ball mill First gen. dynamic separator 1400 Blaine Compressive strength N/mm 2 CEMENTIR TARANTO ITALY Production of CEM II A-S 42 5 (15 slag) Mill output t/h Mill consumption kWh/t Blaine cm2/g R32µm sieve Compressive strength N/mm2 at 2 days 7 days 25 days Before 4 100 11.5 25 37.3 49.3 With

### (PDF) Cements ground in the vertical roller mill fulfil

the specific power consumption of a ball mill is higher than that of a vertical roller mill (VRM) carrying out the same operations by a factor of between 1.5 and 2 depending on the Blaine Fineness. 3800 4000 cm²/g . Power consumption. 50 80 kWh/t/g . Slag ball mill is a kind of equipment used to grind the slag into powder particles. The technical that uses the tube mill on the production of slag has been very mature. The slag

### Comparing Blaine To Microns Sieve SizeMC Machinery

Ball charge loading impact on specific power consumption methods comparing blaine to microns sieve size Lundberg ball mill power consumption vs More ball. comparing blaine to microns sieve Vertical Cement Mill vs Ball MillClinker and Cement Dec 12 2018 For a ball mill grinding OPC to a fineness of 3200 to 3600 cm 2 /g (Blaine) the cost of wear parts (ball liners and mill internals) is typically 0.15-0.20 EUR per ton of cement. For an OK mill grinding a similar product the cost of wear parts depends on the. Chat Online

### TECHNICAL NOTES 8 GRINDING R. P. King

mill is the energy consumption. The power supplied to the mill is used primarily to lift the load (medium and charge). Additional power is required to keep the mill rotating. 8.1.3 Power drawn by ball semi-autogenous and autogenous mills A simplified picture of the mill load is shown in Figure 8.3 Ad this can be used to establish the essential mill is the energy consumption. The power supplied to the mill is used primarily to lift the load (medium and charge). Additional power is required to keep the mill rotating. 8.1.3 Power drawn by ball semi-autogenous and autogenous mills A simplified picture of the mill load is shown in Figure 8.3 Ad this can be used to establish the essential

### portland cement ball mill vs high fineness and high

Vertical Cement Mill vs Ball MillClinker and Cement Dec 12 2018 For a ball mill grinding OPC to a fineness of 3200 to 3600 cm 2 /g (Blaine) the cost of wear parts (ball liners and mill internals) is typically 0.15-0.20 EUR per ton of cement. For an OK mill 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

### Optimization of Cement Grinding Operation in Ball Mills

Jul 18 2016 · Closed Circuit Ball Mill System. Clinker Gypsum and other desired additives are fed to the ball mill in specific proportions based on the quality requirement. Feed material is ground in the ball mill discharged and fed to a classifier with the help of a bucket elevator for classification of the ground cement into two streamscoarse and fines. Ball charge loading impact on specific power consumption methods comparing blaine to microns sieve size Lundberg ball mill power consumption vs More ball. comparing blaine to microns sieve sizeinstint. Sieve Comparison Table Starch. Sieve Comparison Table. The micron is the unit of measure in The fines is passing the sieve. particle

### Getting more from the cement ball mill with the Fives FCB

70 of this power consumption is used for the grinding processes. The most important factors determining the Getting more from the cement ball mill with the tion is more attractive when the Blaine seen the vertical mill consistently presented lower net specific energy consumption than the ball mills which operate on the same circuit. The averages were 11.3 11.7 and 6.5 kWh/t respectively for ball mill 01 ball mill 02 and vertical mill. Figure 5Net specific energy consumption of regrinding circuit.

### Energy consideration in cement grinding

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 cm²/g acc. Blaine o 39-47 kWh/t at 4000 cm²/g acc. Blaine Significant reduction in specific power consumption of the mill was achieved despite relatively coarse products. 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

### re BLAINE AND POWER AND TPH RELATIONSHIPPage 2 of 3

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. Compared with internationally stipulated ball mill with same specifications under the other situation of the same parameters our cement ball mill output has increased by 20 per hour and the power consumption has decreased by 10-15 per unit product. For open-circuit grinding the specific surface area of cement can reach above 320㎡/kg.

### Ball Mill Design/Power Calculation

The basic parameters used in ball mill design (power calculations) rod mill or any tumbling mill sizing are material to be ground characteristics Bond Work Index bulk density specific density desired mill tonnage capacity DTPH operating solids or pulp density feed size as F80 and maximum chunk size product size as P80 and maximum and finally the type of circuit open/closed 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

### Substantial gain in cement mill output with minor

The manufacturing process of cement is a highly electrical energy intensive process. Size reduction in a plant consumes 55-65 of the total electrical energy consumption accounting for 30-40 of the total production costs. So a ball mill used for cement production consumes nearly 30-35 of total power consumption of the plant. Compared with internationally stipulated ball mill with same specifications under the other situation of the same parameters our cement ball mill output has increased by 20 per hour and the power consumption

### re BLAINE AND POWER AND TPH RELATIONSHIPPage 2 of 3

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 Mill Critical Speed Ball Mill Cross Sectional Area Ball Mill Arm of Gravity Net Ball Mill Power Consumption Gross Power of Ball Mill Consumption Ball Mill New Production Rate (Mill output Vs. Blaine)1 Ball Mill NEW Production Rate (Prod.Vs.Blaine)2 Ball Mill New Production ( Prod.Vs.Residue) Cement Mill Gypsum Set Point Ball Mill

### BLAINE AND POWER AND TPH RELATIONSHIPPage 1 of 3

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 formulas of blaine power Aug 01 2001 · Fig. 2 shows the variation of the average torque and power with mill speed for the ball mill described above with a fill level of 50 . The torque increases slowly until the peak is attained around N=80 .As the amount of cataracting increases the balance of the charge improves and the torque required to maintain the asymmetric charge position declines steadily.

### Cement mill notebookSlideShare

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 01 2001 · Fig. 2 shows the variation of the average torque and power with mill speed for the ball mill described above with a fill level of 50 . The torque increases slowly until the peak is attained around N=80 .As the amount of cataracting increases the balance of the charge improves and the torque required to maintain the asymmetric charge position declines steadily.

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