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1 Iron rods can move inside mill with regularity The curvature of end cover of wet rod mill is relatively small which renders iron rods move inside mill with regularity 2 Quick discharging The diameter of discharge hollow shaft is comparatively bigger which makes overhaul easier and diminishes the liquid level of ore pulp

Rod mill is named like this because the grinding media filled in the cylinder are steel rod It generally adopts wet type overflow and can be used in first class open-circuit grinding and widely used in the first stage grinding in artificial sand and stone

Wet grinding is generally used in mineral processing operations because of the overall economies of operation The advantages of wet grinding are: 1 It consumes lower power per ton of product 2 It has higher capacity per unit mill volume 3 It makes possible the use of wet screening or classification for close product control 4

The rod mill feeds a wet ball mill at a feed size of 1 0 mm (1000 μm) and produces a product with 80% passing a 150 μm screen The rod mill is in an open grinding circuit Determine: 1 the shaft power of the rod mill 2 the size of the industrial mill Data: Laboratory Standard Bond Test: Rod Mill: Grindability index at 10 mesh = 13 5 kWh/t

TECHNICAL NOTES 8 GRINDING R P King 8-2 ROOLVLRQ 7RH RI KWH RODG DWDUDFWLQ J)FRV Figure 8 2 Media motion in the tumbling mill 8 1 Grinding 8 1 1 Grinding action Industrial grinding machines used in the mineral processing industries are mostly of the tumbling or large lumps of ore in an autogenous mill or a mixture in a semi

Rod mill gets its name because its grinding body inside the barrel is steel bar Rod grinding mill as first-class ore grinding machine can be applied in ore beneficiation plant and power sector in chemical plant Rod grinder is also called rod mill or grinding rod mill

Features Rod mill is also called rod grinding mill It can be classified into ore rod mill wet rod mill and so on It is mainly used in the preparation of the coal chemical industry quartz sand silica sand sand filling tungsten ore potassium and sodium feldspar bauxite and other industries

Rod Mill The grinding media in a Rod mill are long rods of particular material which grind the ore by tumbling within the mill The grinding action is by line contact between the long rods There is a very minimal slime production since rods tumble and spin in roughly parallel alignment and produce size reduction of coarse ores efficiently

Product Introduction A wet autogenous mill that materials as grinding media Feeding Particle Size 200-350mm Product improvement High-efficiency autogenous mill can realize the second and third stage crushing and screening and part or all crushing and grinding of rod mill or ball mil Low power consumption no dust pollution less auxiliary equipment easy production automation and stable

This Laboratory Continuous Ball/Rod Mill mainly applied for the wet continuous grinding or the testing of the grind ability index of the mineral and ore for the micro-continuous flotation test for the mineral processing research organization and pilot plant It is also applied for the continuous fine grinding of material for other industry such as []

A uniform discharge from a closed circuit jaw crusher is 200 t/h The crusher feeds a wet rod mill such that 80% of the crusher product passes a 16 mm screen The rod mill feeds a wet ball mill at a feed size of 1 0 mm (1000 μm) and produces a product with 80% passing a 150 μm screen The rod mill is in an open grinding circuit Determine 1

Rod mill has dry and wet two types to choose users could choose depend on the fact The company users the advanced output controllable technology with the fact milling material set the suitable miller change the traditional point contact into line contact make the output granularity evener high product widely used in chemical industry metallurgy glass industry and the high requirement

Rod Mill Power Draft Rod mill power is dependent on mill capacity and work index Mill power increases with: Increasing rod charge Increasing mill speed Increasing mill length Rowland and Kjos (1980) provided an expression to quantify power draw at the pinion shaft per unit mass of rods: P↓M / M↓R = 1 752 D↑0 33 (6 3 – 5 4J↓R) Φ

Rod Mill Power Draft Rod mill power is dependent on mill capacity and work index Mill power increases with: Increasing rod charge Increasing mill speed Increasing mill length Rowland and Kjos (1980) provided an expression to quantify power draw at the pinion shaft per unit mass of rods: P↓M / M↓R = 1 752 D↑0 33 (6 3 – 5 4J↓R) Φ

Rod Mill Power Draft Rod mill power is dependent on mill capacity and work index Mill power increases with: Increasing rod charge Increasing mill speed Increasing mill length Rowland and Kjos (1980) provided an expression to quantify power draw at the pinion shaft per unit mass of rods: P↓M / M↓R = 1 752 D↑0 33 (6 3 – 5 4J↓R) Φ

Wet grinding is generally used in mineral processing operations because of the overall economies of operation The advantages of wet grinding are: 1 It consumes lower power per ton of product 2 It has higher capacity per unit mill volume 3 It makes possible the use of wet screening or classification for close product control 4

Rod mill is one kind of grinding machine and named after the grinding media-steel rod and generally wet type rod mill is preferable Rod mill can be used as primary open-circuit grinding machine and widely used as primary mill in electrical apartment in artificial sand making ore

The rod mill feeds a wet ball mill at a feed size of 1 0 mm (1000 μm) and produces a product with 80% passing a 150 μm screen The rod mill is in an open grinding circuit Determine: 1 the shaft power of the rod mill 2 the size of the industrial mill Data: Laboratory Standard Bond Test: Rod Mill: Grindability index at 10 mesh = 13 5 kWh/t

Laboratory Rod Mill / Laboratory Grinding Mill / Laboratory Rod Crusher / Laboratory Rod Grinding Mill Description XMB series rod ball mill is an efficient laboratory grinding equipment for wet grinding of ore or other materials Steel balls can be used as grinding medium instead of steel rods

Product Introduction A wet autogenous mill that materials as grinding media Feeding Particle Size 200-350mm Product improvement High-efficiency autogenous mill can realize the second and third stage crushing and screening and part or all crushing and grinding of rod mill or ball mil Low power consumption no dust pollution less auxiliary equipment easy production automation and stable