Pit & Quarry, May 2013
Crushers designed around new concept Kleemanns Evo material flow concept is designed to eliminate all restriction to the flow of material throughout an entire unit For example the discharge chute under Evo crushers is 4 in wider than the inner width of the crusher and the subsequent discharge belt is another 4 in wider than the discharge chute Material is thus transported quickly and carefully away from the critical area under the crusher with flow rate increased and wear reduced Even before crushing takes place Kleemann says there is an improvement in material flow thanks to the system widths of the feeder troughs and grizzly that facilitate material flow through the crusher opening Additionally Kleemann says Evo crushers feature an inlet geometry that allows for better material penetration into the range of the rotor www kleemann info en Jaw crusher among companys latest introductions Masabas new portable jaw plant features a vibrating grizzly feeder that hydraulically lifts off the chassis which will be pulled from underneath the feeder The vibrating grizzly feeder hydraulically lowers onto another chassis for transport eliminating the need for a crane to move the unit Chassis come with a 54 in under crusher conveyor with hydraulic head fold In addition Masaba offers standard and customized portable plants singleand dual screen plants wash plants with standard and rollaway cross conveyors and an assortment of crushers www masabainc com Wash a range of materials in one unit The AggreSand system which Terex Washing Systems TWS expects to launch this quarter combines aggregate washing and screening with sand processing Central to the development of the new plant is a modular design prewiring and pre plumbing that make setup quick and easy Among the features and benefits is the H 12 hopper with 157 cu yd of capacity The H 12 is available with an automatic tipping grid and a 12 ft two deck vibrating grid thats fitted with a variable speed belt feeder A wide feed conveyor has a direct drive electric motor and gearbox arrangement It will work at a 19 degree angle when feeding the AggreSand system The 165R 3 three deck two bearing rinsing screen isolates spray bars from all vibration according to TWS Also the system offers the option of five conveyors three aggregate and two sand Direct drive electric motors and gearbox arrangements power the conveyors www terex com washing systems Portable Plants 42 PIT QUARRY May 2013 www pitandquarry com
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