
We recently converted a grate discharge type ball mill size 57x86m to an overflow type before conversion the ball level was 26 and we were able to obtain a grind of 90 passing 75mic at a throughput of 350th after conversion its a nightmare to obtain 90 passing 75mic at the same thro

Grate discharge ball mills grates can be added to the discharge end of the ball mill to facilitate a steeper pulp gradient which helps to prevent overgrinding 2040 ball mills liming ball mills brochure no2040 0602 24 ft x 30 ft 14000 hp ball mills

Grate discharge ball mill picture bdcain grate discharge ball mill a mill is a device that breaks solid materials into smaller pieces by grinding crushing or cuttingin spite of a great number of studies overflow vs grate discharge ball or mill why retrofit

Cement grinding the principle of grate discharge grinding is nearly universally adapted in the cement grinding industry grate discharge ball mills are the rule rather than the exception rod mills for raw and finish grinding begin to enter the picture larger and larger diameter mills become common lengths tend to

Fig 8 shows the ratio of the discharge rate to the amount of fines remaining in the mill throughout the discharge process for a grate size g of 80 mm a fill level of 30 and a speed of 75 critical the discharge rate is initially high as the fines rich charge adjacent to the grate

Discharge end designs historically the grate discharge has been a design option in grinding mills with the introduction of wet autogenous and semiautogenous mills this type design is used exclusively the discharge end of this mill must incorporate some method of conveying the pulp to the outside of the mill

Grate discharge ball mill picture turkey crusher we are a largescale manufacturer specializing in producing various mining machines including different types of sand and gravel equipment milling equipment mineral processing equipment and building materials equipment and they are mainly used to crush coarse minerals like gold and copper ore

Grate discharge ball millgrate discharge ball mill choose quality grate discharge ball mill manufacturers suppliers exporters at grate type ball mill for the wet or

Metso has designed manufactured and installed over 8000 ball and pebble mills all over the world for a wide range of applications some of those applications are grate discharge peripheral discharge dry grinding special length to diameter ratio high temperature milling oprations and more

Grate discharge ball mill picture grate discharge ball mill sankaycrushermrate discharge ball mill is a main equipment to grinding kinds of cushed raw materialst has been widely used in manufacturing industriessuch as cementnew building materialsrefractory materialsglass ceramic and other industriespecification

Of gratepulp lifter design in agsag mill discharge the current understanding from literature lacks knowledge of mill content size distribution and its effect on discharge through the grate at various aperture sizes and radial positions it also indicates that in

Grate discharge dry grate discharge wet overflow discharge wet figure 85 effect of mill filling on power draft for ball mills the data is taken from rexnord process machinery reference manual rexnord process machinery division milwaukee 1976 the effect of varying mill speed on the power drawn by the mill is shown graphically in figure 84

As secondary ball mills are usually fed a relatively compared to sag mills fine f80 and have high recirculating loads and produce product fineness of the p80 100 to 160 micron range fitting a grate discharge needs to be carefully considered

Gratedischarge type the gratedischarge type of ball mill has a grate at the outlet of the shell and causes less excessive grinding compared to the overflow type therefore generally it is best suited to grind materials up to the particle sizes ranging from 60 to 100 mesh compartment type

Grates screens grinding mill ball mill sag mill grates designed for optimum fit our head liners partition and discharge grates are designed for efficient mill performance with reduced maintenance needs cast in martensitic chromemoly steels with a 350 to 450 bhn hardness unicast grates are cast for high strength and optimum fit

Small c i w ball mill the ciw is a small ball mill thats belt driven rigid bearing wet grinding trunnion or grate discharge type mill with friction clutch pulley and welded steel shell the 7 and 8 foot diameter mills are of flange ring construction with cut gears while all other sizes have cast tooth gears

Grate discharge ball mill this type of mill usually works with a high circulating load and thus produces very little extreme fines the specific power consumption is therefore less than for an overflow mill a grate discharge mill will also have 1525 higher capacity per volume unit as compared with an overflow mill

Mill ball port price price get quote ball mill could wet grind and dry grind many kinds of minerals and grindable material according to different ore discharge methods there are grid type and overflow type ball mill advantage discharge port reasonable discharge port design ball mill in mumbai price get quote ball mill consists of cylindrical shell rotating on a

Grate discharge ball mill picture scats production in overflow ball mill grinding therefore no changing to a grate discharge ball mill from overflow would not improve the situation it would only cause the grates to pull with unground oversized rock chipsscats i hope others here can complement this answer grate discharge ball mill picture

The mill product can either be finished size ready for processing or an intermediate size ready for final grinding in a rod mill ball mill or pebble mill agsag mills can accomplish the same size reduction work as two or three stages of crushing and screening a rod mill and some or all of the work of a ball mill

Grate discharge for ball mill to 1 or greater we refer to the mill as a tube mill the two most popular types of ball mills are grate or diaphragm discharge in the discharge end of this mill a discharge grate mill images crusher south africa

Cement grinding the principle of grate discharge grinding is nearly universally adapted in the cement grinding industry grate discharge ball mills are the rule rather than the exception rod mills for raw and finish grinding begin to enter the picture larger and larger diameter mills become common lengths tend to