FRMULASDETERMINACIN DEL % DE LLENADO DE LOS MOLINOS EN LA PLANTA CONCENTRADORA SELENE - EXPLORADOR12/31/99

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% LLENADOINVESTIGACIONES METALRGICAS - U.O. SELENEProyectoNIVEL DE LLENADO DE LOS MOLINOS DE PLANTA CONCENTRADORA SELENE.PruebaMedicin de dimensiones internas de los molinos.Fecha17 de MayoMetalurgistaRoberto BrionesAsistente MetalurgistaRenzo ChvezUnidad OperativaSelene.ObjetivoDeterminar el % de llenado de los molinos de bolas.DIMENSIONES INTERNAS Y % DE LLENADO DE LOS MOLINOSM 7 x 7 COMESA ( molino secundario )UNIDADES (cm)% LlenadoDESCARGAMEDIOCARGAALTURASURCO138.0136.5137.5134.837.03CRESTA133.0131.5132.5DIAMETROSURCO230.0225.0226.5223.8CRESTA222.0219.5219.5M 7 x 7 DENVER ( molino secundario )UNIDADES (cm)% LlenadoDESCARGAMEDIOCARGAALTURASURCO126.0128.6130.0126.340.05CRESTA123.0124.1126.0DIAMETROSURCO221.5222.0222.7218.3CRESTA215.0214.6214.0M 9.5 x 8 COMESA ( molino primario )UNIDADES (cm)% LlenadoDESCARGAMEDIOCARGAPROMEDIOALTURASURCO165.0163.3164.5162.138.74CRESTA161.0159.0160.0DIAMETROSURCO281.6268.0281.0275.3CRESTA273.5274.5273.2M 9.5 x 15 ALLIS CHALMERS ( molino primario )UNIDADES (cm)% LlenadoDESCARGAMEDIOCARGAPROMEDIOALTURASURCO164.0164.5168.0163.037.16CRESTA162.0160.5159.0DIAMETROSURCO283.5278.0278.0271.0CRESTA264.5268.5271.0M 9.5 x 12 COMESA ( molino secundario )UNIDADES (cm)% LlenadoDESCARGAMEDIOCARGAPROMEDIOALTURASURCO173.0174.0175.2172.435.14CRESTA170.0170.0172.0DIAMETROSURCO282.5281.5282.0279.0CRESTA276.5275.5276.0

M 9.5'x8' COMESA13velMoly-Cop Tools TMA GSI Software DevelopmentDETERMINATION OF CHARGE LEVEL IN A MILLby Measuring Free Height Above the ChargeRemarks :M 9.5x8 COMESA12Effective Mill Diameter223.75D223.75h134.83Average Measurements ofh/D0.60260707640.50.60260707640.6026070764Free Height (h) :134.83f37.0337.0337.030h/D:0.60D1.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.00h0.500.520.540.560.580.600.620.640.660.680.700.720.740.760.780.800.820.840.860.880.900.920.940.960.98Angle f, degrees156.32phi180.00175.42170.82166.22161.59156.93152.23147.48142.67137.80132.84127.79122.63117.34111.89106.26100.4294.3187.8981.0773.7465.7256.7246.1532.52f50.0047.4544.9142.3839.8637.3534.8732.4129.9827.5925.2322.9220.6618.4516.3114.2412.2410.338.516.805.203.752.451.340.48Charge Level, %37.03

&L&"Arial,Bold"&8Moly-Cop Tools&"Arial,Regular" / &F&R&8&D / &T

M 9.5'x8' COMESA

h/D Ratio% Filling

M 7'x7' COMESA13velMoly-Cop Tools TMA GSI Software DevelopmentDETERMINATION OF CHARGE LEVEL IN A MILLby Measuring Free Height Above the ChargeRemarks :M 7x7 COMESA12Effective Mill Diameter223.75D223.75h134.83Average Measurements ofh/D0.60260707640.50.60260707640.6026070764Free Height (h) :134.83f37.0337.0337.030h/D:0.60D1.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.00h0.500.520.540.560.580.600.620.640.660.680.700.720.740.760.780.800.820.840.860.880.900.920.940.960.98Angle f, degrees156.32phi180.00175.42170.82166.22161.59156.93152.23147.48142.67137.80132.84127.79122.63117.34111.89106.26100.4294.3187.8981.0773.7465.7256.7246.1532.52f50.0047.4544.9142.3839.8637.3534.8732.4129.9827.5925.2322.9220.6618.4516.3114.2412.2410.338.516.805.203.752.451.340.48Charge Level, %37.03

Mill diameter inside liners.Must be expressed in the same measuring units as Cell E13.Average distance from the charge surface to the highest point inside the mill.Replicate measurements are strongly recommended to account for level variations along and across the mill. Must be expressed in the same measuring units as Cell E10.Center angle created by the two radius pointing at the opposing extremes of the top charge surface.Percentage of the total effective mill volume being occupied by the charge, including all interstitial voids.&L&"Arial,Bold"&8Moly-Cop Tools&"Arial,Regular" / &F&R&8&D / &T

M 7'x7' COMESA

h/D Ratio% Filling

M 7'x7' DENVER 13velMoly-Cop Tools TMA GSI Software DevelopmentDETERMINATION OF CHARGE LEVEL IN A MILLby Measuring Free Height Above the ChargeRemarks :M 7x7 DENVER12Effective Mill Diameter218.30D218.30h126.28Average Measurements ofh/D0.57848526490.50.57848526490.5784852649Free Height (h) :126.28f40.0540.0540.050h/D:0.58D1.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.00h0.500.520.540.560.580.600.620.640.660.680.700.720.740.760.780.800.820.840.860.880.900.920.940.960.98Angle f, degrees161.94phi180.00175.42170.82166.22161.59156.93152.23147.48142.67137.80132.84127.79122.63117.34111.89106.26100.4294.3187.8981.0773.7465.7256.7246.1532.52f50.0047.4544.9142.3839.8637.3534.8732.4129.9827.5925.2322.9220.6618.4516.3114.2412.2410.338.516.805.203.752.451.340.48Charge Level, %40.05

Mill diameter inside liners.Must be expressed in the same measuring units as Cell E13.Average distance from the charge surface to the highest point inside the mill.Replicate measurements are strongly recommended to account for level variations along and across the mill. Must be expressed in the same measuring units as Cell E10.Center angle created by the two radius pointing at the opposing extremes of the top charge surface.Percentage of the total effective mill volume being occupied by the charge, including all interstitial voids.&L&"Arial,Bold"&8Moly-Cop Tools&"Arial,Regular" / &F&R&8&D / &T

M 7'x7' DENVER

h/D Ratio% Filling

M 9.5 x 8 COMESA13velMoly-Cop Tools TMA GSI Software DevelopmentDETERMINATION OF CHARGE LEVEL IN A MILLby Measuring Free Height Above the ChargeRemarks :M 9.5 x 8 COMESA12Effective Mill Diameter275.30D275.30h162.13Average Measurements ofh/D0.58893328490.50.58893328490.5889332849Free Height (h) :162.13f38.7438.7438.740h/D:0.59D1.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.00h0.500.520.540.560.580.600.620.640.660.680.700.720.740.760.780.800.820.840.860.880.900.920.940.960.98Angle f, degrees159.51phi180.00175.42170.82166.22161.59156.93152.23147.48142.67137.80132.84127.79122.63117.34111.89106.26100.4294.3187.8981.0773.7465.7256.7246.1532.52f50.0047.4544.9142.3839.8637.3534.8732.4129.9827.5925.2322.9220.6618.4516.3114.2412.2410.338.516.805.203.752.451.340.48Charge Level, %38.74

Mill diameter inside liners.Must be expressed in the same measuring units as Cell E13.Average distance from the charge surface to the highest point inside the mill.Replicate measurements are strongly recommended to account for level variations along and across the mill. Must be expressed in the same measuring units as Cell E10.Center angle created by the two radius pointing at the opposing extremes of the top charge surface.Percentage of the total effective mill volume being occupied by the charge, including all interstitial voids.&L&"Arial,Bold"&8Moly-Cop Tools&"Arial,Regular" / &F&R&8&D / &T

M 9.5 x 8 COMESA

h/D Ratio% Filling

M 9.5 x 12 COMESA13velMoly-Cop Tools TMA GSI Software DevelopmentDETERMINATION OF CHARGE LEVEL IN A MILLby Measuring Free Height Above the ChargeRemarks :M 9.5 x 12 COMESA12Effective Mill Diameter279.00D279.00h172.37Average Measurements ofh/D0.61780167260.50.61780167260.6178016726Free Height (h) :172.37f35.1435.1435.140h/D:0.62D1.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.00h0.500.520.540.560.580.600.620.640.660.680.700.720.740.760.780.800.820.840.860.880.900.920.940.960.98Angle f, degrees152.75phi180.00175.42170.82166.22161.59156.93152.23147.48142.67137.80132.84127.79122.63117.34111.89106.26100.4294.3187.8981.0773.7465.7256.7246.1532.52f50.0047.4544.9142.3839.8637.3534.8732.4129.9827.5925.2322.9220.6618.4516.3114.2412.2410.338.516.805.203.752.451.340.48Charge Level, %35.14

Mill diameter inside liners.Must be expressed in the same measuring units as Cell E13.Average distance from the charge surface to the highest point inside the mill.Replicate measurements are strongly recommended to account for level variations along and across the mill. Must be expressed in the same measuring units as Cell E10.Center angle created by the two radius pointing at the opposing extremes of the top charge surface.Percentage of the total effective mill volume being occupied by the charge, including all interstitial voids.&L&"Arial,Bold"&8Moly-Cop Tools&"Arial,Regular" / &F&R&8&D / &T

M 9.5 x 12 COMESA

h/D Ratio% Filling

M 9.5'x15' ALLIS CHALMERS13velMoly-Cop Tools TMA GSI Software DevelopmentDETERMINATION OF CHARGE LEVEL IN A MILLby Measuring Free Height Above the ChargeRemarks :M 9.5'x15' ALLIS CHALMERS12Effective Mill Diameter270.96D270.96h163.00Average Measurements ofh/D0.60156850680.50.60156850680.6015685068Free Height (h) :163.00f37.1637.1637.160h/D:0.60D1.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.001.00h0.500.520.540.560.580.600.620.640.660.680.700.720.740.760.780.800.820.840.860.880.900.920.940.960.98Angle f, degrees156.56phi180.00175.42170.82166.22161.59156.93152.23147.48142.67137.80132.84127.79122.63117.34111.89106.26100.4294.3187.8981.0773.7465.7256.7246.1532.52f50.0047.4544.9142.3839.8637.3534.8732.4129.9827.5925.2322.9220.6618.4516.3114.2412.2410.338.516.805.203.752.451.340.48Charge Level, %37.16

Mill diameter inside liners.Must be expressed in the same measuring units as Cell E13.Average distance from the charge surface to the highest point inside the mill.Replicate measurements are strongly recommended to account for level variations along and across the mill. Must be expressed in the same measuring units as Cell E10.Center angle created by the two radius pointing at the opposing extremes of the top charge surface.Percentage of the total effective mill volume being occupied by the charge, including all interstitial voids.&L&"Arial,Bold"&8Moly-Cop Tools&"Arial,Regular" / &F&R&8&D / &T

M 9.5'x15' ALLIS CHALMERS

h/D Ratio% Filling

RESUMENINVESTIGACIONES METALRGICAS - U.O. SELENEProyectoNIVEL DE LLENADO DE LOS MOLINOS DE PLANTA CONCENTRADORA SELENE.PruebaMedicin de dimensiones internas de los molinos.Fecha17 de MayoMetalurgistaRoberto BrionesAsistente MetalurgistaRenzo ChvezUnidad OperativaSelene.ObjetivoDeterminar el % de llenado de los molinos de bolas.RESUMENMedicin del 09-11-2013MOLINOS%LLENADOCOMESA 7' x 7'37.03DENVER 7' x 7'40.05Molino 9.5 x 8 COMESA38.74ALLIS CHALMERS 9.5 x 1537.16COMESA 9.5 x 1235.14Roberto BrionesRenzo ChavezInvestigaciones Metalrgicas.U.O. SELENE

Mill diameter inside liners.Must be expressed in the same measuring units as Cell E13.Average distance from the charge surface to the highest point inside the mill.Replicate measurements are strongly recommended to account for level variations along and across the mill. Must be expressed in the same measuring units as Cell E10.Center angle created by the two radius pointing at the opposing extremes of the top charge surface.Percentage of the total effective mill volume being occupied by the charge, including all interstitial voids.