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Get PriceThe Bond’s method was used in sizing the laboratory ball mill This method is based on two power calculation approaches used in ball and rod mill design processes due to its simplicity and workability The first approach which is specific power calculation
Feeding Granularity: ≤20-≤25mm
Applied Materials: Limestone, calcite, barite, dolomite, potassium feldspar, marble, talcum, gypsum, kaolin, bentonite, medical stone, rock phosphate, manganese ore, iron ore, copper ore, gold ore,quartz, active carbon, carbon black, ceramic, coal, etc.
Applicable Range: Cement, silicate product, new building material, refractory material, fertilizer, black and non-ferrous metal ore dressing and glass ceramics production industry, etc.
Further DetailsBrand Name: FTM
Certification: CE&ISO
Pellet Diameter: 2.5-10mm
Further DetailsConfiguration: Jaw crusher, grinding mill, bucket elevator, magnetic vibrating feeder, transmission gear, main engine.
Applied Materials: Feldspar, calcite, talc, barite, fluorite, rare earth, marble, ceramics, bauxite, manganese, phosphate rock, etc.
Application Area: Building materials, chemicals, fertilizer, metallurgy, mining, refractory, ceramic, steel, thermal power, coal, etc.
Further DetailsProduction: 1-2200t/h
Feed opening: 150×250-300×1300mm
Feeding size: 125-250mm
Further DetailsFeeding Size: 50-100mm
Production Capacity: 5-100TPH
Applied Materials: Coal, limestone, granite, cobble, dolomite, bluestone, iron ore, coal gangue, coal, activated carbon, quartz, basalt, etc.
Further DetailsGypsum powder plant is a kind of micronized line which turns natural dihydrate gypsum ore (raw gypsum) or industrial by-product gypsum (desulphurization gypsum, phosphogypsum, etc.) into construction gypsum (calcined gypsum) through crushing, grinding, he
Further DetailsThe 250t/h basalt crushing line owner has a large-sized mining field in Zambia.
Further DetailsRiver Gravel Mobile Crushing production line in Kenya is composed of FTM938E69 mobile coarse crushing station, FTM935F1214L（4YK1860） medium and fine mobile crushing and screening station.
Further DetailsCalcium carbonate is the main raw material to make cement, lime and calcium carbide, and it is an indispensable flux limestone in metallurgical industry.
Further DetailsApplication Area:Building materials, chemicals, fertilizer, metallurgy, mining, refractory, ceramic, steel, thermal power, coal, etc.
Further DetailsDry mixed mortar plant is designed for enterprises which have small production scale of special dry mortar. It is a kind of modular production line which can meet the needs of producing multiple species dry mixed mortar and ordinary mortar in small bat
Further DetailsPurchasing equipment: mobile crushing station with models of FTM938E69 and FTM935F1214L as well as belt conveyor with types of B800×10m, B800×12m, B800×14m, B800×18m and B650×15m.
Further DetailsGold ore whose types of deposits are diverse and complex is the mineral assemblage of gold. With features of chalcophile affinity and high melting point, the gold ore includes conglomerate type, porphyry type, quartz vein type and volcanic rock type, etc.
Further DetailsBall mill design requires a Bond work index BWi for ball mills at the correct passing size SAG mill design requires an appropriate SAG test for example SPI Chapter 5 Flotation design needs a valid measure of kinetics for each sample including the maximum attainable recovery and rate constants for each mineral Chapter 12
Further DetailsMill Type Overview Three types of mill design are common The Overflow Discharge mill is best suited for fine grinding to 75 – 106 microns The Diaphram or Grate Discharge mill keeps coarse particles within the mill for additional grinding and typically used for grinds to 150 – 250 microns The CenterPeriphery Discharge mill has feed reporting from both ends and the product discharges
Further DetailsTest WI of circuit feed ore 161 kWht The Bond ball mill test Work Index of the ore whichapplies over the size reduction range of this circuit W 3150 kW 450 th 70 kWht WIoACT 70 10√ 212 – 10√ 2500 144 kWht The circuit’s Bond WI Ratio Eff 161 144 112 or 112
Further DetailsIn order to perform the Bond Index Test successfully it is necessary to use precrushed sample material as defined below Module Ball Mill Minerals precrushed to 335 mm and sieved Drillcore precrushed to 335 mm and sieved Half Drillcore precrushed to 335 mm and sieved The Bond Index conforming ball charge consists of 43 x 145” balls
Further DetailsBond F C “Crushing Tests by Pressure and Impact” Trans AIME Vol 169 1947 pp 5866 Bond Rod Mill Grindability Test The test determines the Bond Rod Mill Work Index which is used with Bond’s Third Theory of Comminution to calculate net power requirements when sizing ball mills Various correction factors may have to be applied
Further DetailsCorrection of Bond Ball Mill Work Index Test for Closing Mesh Sizes It is commonly known that one must run the Bond ball mill work index test such you pick a closing mesh to give a
Further DetailsThe 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 openclosed
Further DetailsThis Grindability Test or Bond Ball Mill Work Index Procedure is used to determine the Bond Work Index of minus six mesh or finer feed ore samples These equation application methods are used to process 12″ ore samples in a Ball Mill using a standard ball charge Below describes in general terms the Bond Work Index Procedure used by a Professional Metallurgical Testing Laboratory If you
Further DetailsThe ball mill is a tumbling mill that uses steel balls as the grinding media The length of the cylindrical shell is usually 1–15 times the shell diameter Figure 811 The feed can be dry with less than 3 moisture to minimize ball coating or slurry containing 20–40 water by weight
Further DetailsBall mill design requires a Bond work index BWi for ball mills at the correct passing size SAG mill design requires an appropriate SAG test for example SPI Chapter 5 Flotation design needs a valid measure of kinetics for each sample including the maximum attainable recovery and rate constants for each mineral Chapter 12
Further DetailsMill Type Overview Three types of mill design are common The Overflow Discharge mill is best suited for fine grinding to 75 – 106 microns The Diaphram or Grate Discharge mill keeps coarse particles within the mill for additional grinding and typically used for grinds to 150 – 250 microns The CenterPeriphery Discharge mill has feed reporting from both ends and the product discharges
Further DetailsTest WI of circuit feed ore 161 kWht The Bond ball mill test Work Index of the ore whichapplies over the size reduction range of this circuit W 3150 kW 450 th 70 kWht WIoACT 70 10√ 212 – 10√ 2500 144 kWht The circuit’s Bond WI Ratio Eff 161 144 112 or 112
Further DetailsIn order to perform the Bond Index Test successfully it is necessary to use precrushed sample material as defined below Module Ball Mill Minerals precrushed to 335 mm and sieved Drillcore precrushed to 335 mm and sieved Half Drillcore precrushed to 335 mm and sieved The Bond Index conforming ball charge consists of 43 x 145” balls
Further DetailsBond F C “Crushing Tests by Pressure and Impact” Trans AIME Vol 169 1947 pp 5866 Bond Rod Mill Grindability Test The test determines the Bond Rod Mill Work Index which is used with Bond’s Third Theory of Comminution to calculate net power requirements when sizing ball mills Various correction factors may have to be applied
Further DetailsCorrection of Bond Ball Mill Work Index Test for Closing Mesh Sizes It is commonly known that one must run the Bond ball mill work index test such you pick a closing mesh to give a
Further DetailsThe 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 openclosed
Further DetailsThis Grindability Test or Bond Ball Mill Work Index Procedure is used to determine the Bond Work Index of minus six mesh or finer feed ore samples These equation application methods are used to process 12″ ore samples in a Ball Mill using a standard ball charge Below describes in general terms the Bond Work Index Procedure used by a Professional Metallurgical Testing Laboratory If you
Further DetailsThe ball mill is a tumbling mill that uses steel balls as the grinding media The length of the cylindrical shell is usually 1–15 times the shell diameter Figure 811 The feed can be dry with less than 3 moisture to minimize ball coating or slurry containing 20–40 water by weight
Further Details