motor power calculation for ball and tube mill

  • Ball Mill Design/Power Calculation 911 Metallurgist

      A motor with around 1400 Horse Power is calculated needed for the designed task Now we much select a Ball Mill that will draw this power The ball mill motor power requirement calculated above as 1400 HP is the power that must be   The following equation is used to determine the power that wet grinding overflow ball mills should draw For mills larger than 33 meters (10 feet) diameter inside liners, the top size of the balls used affects the power drawn by the mill This is called the ball size factor SBall Mill Motor Power Draw Sizing and Design Formula  AG/SAG mills in the data base are up to 40ft in diameter and ball mills are up to 26ft in diameter The measured gross power draws from these mills are plotted against the model predictions in Figure 1 As indicated by this data base the accuracy of the GROSS POWER CALCULATOR SMC Testing  Equation 1 is multiplied by the factor of 108 A multicompartment ball mill consists of two or more grate discharge ball mills in series The same equation is used to calculate the power that each ball mill compartment should draw The total power is the sum of the power calculated for each of the separate compartmentsCALCULATION OF THE POWER DRAW OF DRY Motor Power Calculator Given torque in any unit, and speed in rpm, calculate power in watts or hp Select Calculator Calculate Power from Torque Speed Calculate Speed from Torque Power Calculate Torque from Speed Power Convert Torque Convert Power Choose A Product Category Motor Power Calculator Magtrol

  • The method for determining the ball load and the

      The method for determining the ball load and the grinding capacity from the power consumed by the balltube mill under operating and emptying conditions is presented The implementation of this method when grinding gas coals in the balltube mill of the ShBM 370/850(Sh50a) type is discussedThe motor power draw required to turn a mill from rest to the operating speed includes the energy required for the initial starting torque and mechanical arrangements to rotate the mill It is generally accepted that practical mill power (PM ) is a function of mill capacity and diameter, ie,P M = Mill Constant * (Mill Diameter ) nAMIT 135: Lesson 7 Ball Mills Circuits – Mining Mill The method for determining the ball load and the grinding capacity from the power consumed by the balltube mill under operating and emptying conditions is presented The implementation of this method when grinding gas coals in the balltube mill of the ShBM 370/850(Sh50a) type is discussedThe method for determining the ball load and the   Power = Work done/sec= 4PπaN/60 Ie Power= (4PπaN/60x1000) Kw Where P=Load in Newton, a=moment arm in meters and N=speed rollers This POWER IN ROLLING idconline  To be chosen according to the grinding material, material is composed of a ball mill feed end of the hollow shaft is arranged in the tube body, when the ball mill cylinder rotation time, grinding body due to inertia and centrifugal force, the effects of friction, making it attached to the cylinder liner on the cylinder body away, when taken to the height of a certain, because the action of its own gravity and Ball Mill Working Principle And Main Parts

  • Ball Mill DesignPower Calculation

      ball mill synchronous motor for limestone grinding Ball Mill Drives Mineral Processing Metallurgy When using a synchronous motor we recommend having 200 starting torque 120 to 130 pullin torque and 225 pullout torque These assume no greater than a 10 voltage drop at the motor terminals VBELT Ball Mill DRIVE Vbelt or polyV drives are generally used on grinding mills consuming 350 HP   A) Total Apparent Volumetric Charge Filling – including balls and excess slurry on top of the ball charge, plus the interstitial voids in between the balls – expressed as a percentage of the net internal mill volume (inside liners) B) Overflow Discharge Mills operating at low ball fillings – slurry may accumulate on top of the ball charge; causing, the Total Charge Filling Level to be Calculate Ball Mill Grinding Capacity 911 Metallurgist  Figure 3 Relationships Between Power, Current, Power Factor and Motor Load Example: Input Power Calculation An existing motor is identified as a 40hp, 1800 rpm unit with an open dripproof enclosure The motor is 12years old and has not been rewound The electrician makes the following measurements: Measured Values: V ab = 467V I a = 36 amps Determining Electric Motor Load and Efficiency  Motor Sizing Proper sizing and selection of a motor for your equipment is key to ensuring performance, reliability and cost of the equipment In addition to the information below for properly sizing a motor, Oriental Motor offers online motor sizing tools as well as Motor Sizing Calculations Oriental MotorVery large tonnages can be ground with these ball mills because they are very effective material handling devices Ball mills are rated by power rather than capacity Today, the largest ball mill in operation is 853 m diameter and 1341 m long with a corresponding motor power of 22 MW (Toromocho, private communications)Ball Mill an overview ScienceDirect Topics

  • Determining Optimum Productivity of a Ball Drum Mill When

      Ball drum mills (BDM) are one of the main types of coalgrinding equipment in Russia A significant drawback of BDM is high power consumption (a significant part of the TPP’s own needs) With a huge scale of production, reducing these costs even by a few percent gives a significant economic effect The problem of minimizing the specific energy consumption for grinding and transporting Azean   The standard selection method can be used for most motor, turbine, or engine driven applications The following information (Horsepower) is the actual or transmitted power required by the application (if unknown, use the motor or turbine nameplate rating) and RPM is the actual speed the coupling is TUBE, ROD AND BALL MILLS DirectoronLS GEAR COUPLINGGEAR COUPLING Mechanical Power   The mill with the compact drive version features an INTEGRAL DRIVE, whose planetary gear is mounted to the mill flange KHD Humboldt Wedag mills are the result of the most advanced calculation and simulation methods, backed by years of experience Worldwide we have designed and built more than 1,000 tube millsTube Mills KHD InternationalIn this paper, a mechanical model of the vibration ballmedium reactor was built, of which the motion track was solved, and the numerical method of that was induced, in addition, using the experiment, the validity of the calculation formula of the complete power consumption was proved, the theoretical and experimental references were provided for the optimal parameter design of the vibration Research on Power Properties of Vibration BallMedium   PERANCANGAN BALL MILL TIPE GRATE DISCHARGE KAPASITAS 30 TON PERJAM SKRIPSI Diajukan Kepada Universitas Muhammadiyah Malang Untuk Memenuhi Syarat Memperoleh Gelar Sarjana (S1) Teknik Mesin Disusun Oleh : Muhammad Falikh NurinPERANCANGAN BALL MILL TIPE GRATE DISCHARGE

  • Calculate Ball Mill Grinding Capacity 911 Metallurgist

      A) Total Apparent Volumetric Charge Filling – including balls and excess slurry on top of the ball charge, plus the interstitial voids in between the balls – expressed as a percentage of the net internal mill volume (inside liners) B) Overflow Discharge Mills operating at low ball fillings – slurry may accumulate on top of the ball charge; causing, the Total Charge Filling Level to be   ball mill synchronous motor for limestone grinding Ball Mill Drives Mineral Processing Metallurgy When using a synchronous motor we recommend having 200 starting torque 120 to 130 pullin torque and 225 pullout torque These assume no greater than a 10 voltage drop at the motor terminals VBELT Ball Mill DRIVE Vbelt or polyV drives are generally used on grinding mills consuming 350 HP Ball Mill DesignPower CalculationBall Mill Design/Power Calculation Jun 19, 2015 Example Calculation A motor with around 1400 Horse Power is calculated needed for the designed task Now we much select a Ball Mill that will draw this power 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 ball mill power calculation pdf in indiacentral drive ball mill torque and power calculation pdf ball mills for wet and dry grinding in the minerals industry search Development Centre and power Ball mills, autogenous mills and semiautogenous mills from Thys senKrupp The ring motor features noncontact transmission of the driving torque to the mill shell by means of Highperformance calculationcalculation of torque for ball millCalculation Of Grinding Media Charging Ball Mill Calculation Of Grinding Media Charging Ball Mill Grinding media quantity 3307 kgs to calculate the motor power required for a cylindrical type ball mill the following formula can be applied w x d3 x l x n x 06d 04d1 where w required motor power in hp d internal dia of the mill in mtr l internal length of the mill in mtr d specific calculation of grinding media in ball mill in delhi

  • Determining Electric Motor Load and Efficiency

      Figure 3 Relationships Between Power, Current, Power Factor and Motor Load Example: Input Power Calculation An existing motor is identified as a 40hp, 1800 rpm unit with an open dripproof enclosure The motor is 12years old and has not been rewound The electrician makes the following measurements: Measured Values: V ab = 467V I a = 36 amps   The standard selection method can be used for most motor, turbine, or engine driven applications The following information (Horsepower) is the actual or transmitted power required by the application (if unknown, use the motor or turbine nameplate rating) and RPM is the actual speed the coupling is TUBE, ROD AND BALL MILLS DirectoronLS GEAR COUPLINGGEAR COUPLING Mechanical Power Very large tonnages can be ground with these ball mills because they are very effective material handling devices Ball mills are rated by power rather than capacity Today, the largest ball mill in operation is 853 m diameter and 1341 m long with a corresponding motor power of 22 MW (Toromocho, private communications)Ball Mill an overview ScienceDirect TopicsBall Mill Motor Operating Principles This ball mill is horizontal type and tubular running device, has two warehouseswhat is the operating principles of ball mill ball mill operating principle ball mill,ore beneficiation vibration motor for shale shaker gold iron copper cement coal Read More Ultrafine mill Information evaluationball mill motor operating principles opgebirdnl  Motor Sizing Proper sizing and selection of a motor for your equipment is key to ensuring performance, reliability and cost of the equipment In addition to the information below for properly sizing a motor, Oriental Motor offers online motor sizing tools as well as Motor Sizing Calculations Oriental Motor