technology
The plant also has a special space-saving transport position, so that the most compact dimensions( 16.7m length, 3.2m width, 3.4m height, and weight of just under 30 tonnes) can be achieved should the plant need to be moved to a new site. This is complemented by quick set-up times and fast screen media change capability via a built-in peripheral platform, which ensures easy access for maintenance and screen media changing.
Classifying screens
Kleemann’ s Mobiscreen series of classifying screens are renowned for their inherent flexibility, which contributes to optimal functioning and resultant high output values. Suitable for a host of applications, the MS 703 EVO’ s adaptability is made possible by the variety of available screen casing sizes, as well as the ease and speed with which it can be transported.
Screening media are manufactured from a special wearresistant spring wire steel or round wire to withstand the workload and produce consistently accurate results. Double bracing at intersections ensures high mesh stability and thus uniform screening. Both folding and vibration gates are optionally available.
Various mesh shapes and dimensions, including square, rectangular, and harp, are available to suit a variety of applications. Different wire qualities and thicknesses allow the customer to balance longer service life against higher production, depending on the demands of their operation, with thicker wire offering longer service life, while thinner wire ensures higher production.
Square mesh screen surfaces are the most commonly used, predominantly in applications where a cubic shape is required. Rectangular mesh screen surfaces are for screening cubic grain sizes and are often used to sort natural gravel at high throughput. Finally, the self-cleaning harp screen media— available in W-harp, S-harp, and Varia harp versions— are used for screening damp and difficult-to-screen products and should be inserted on the screen’ s lower deck.
The Kleemann Mobiscreen MS 703 EVO’ s fast set-up time, operator-friendly design, and cost-saving features are supported by qualified service technicians who are available 24 / 7, and all recommended spares are available through Wirtgen SA.
Safe operation
Kleemann’ s Mobiscreen EVO screening plants have been designed with safety in mind.“ The mobile control operating system, which controls the operations of the screening plant, can be attached at three different points on either side of the plant,” said Van der Merwe. This guarantees the best viewing positions of the executed plant functions. All plant functions are started automatically, without each side discharge conveyor having to be activated individually. The machine can also be unfolded via the remote— an industry first, according to Wirtgen.
Data on machine operation can be read off at the control panel, while plant movement is without jolts thanks to proportionally activated hydraulic valves. The plant operates particularly efficiently and produces a high output when interlinked with crushing plants of the EVO series, whose size and output are tuned to the EVO screening plants. A further bonus for safe plant operation is the emergency-off function, which, in the case of an interlinked combination of plants, works across all screening and crushing stages.
The large engine compartment eases maintenance, and other service components are easily accessible via the all-round work platform. The easily accessible screen decks ensure simple screen surface changing and the large number of screen surfaces ensures that there is a suitable surface for every application. n
Double bracing at intersections ensures high mesh stability and thus uniform screening.
Screening media are manufactured from a special wear-resistant spring wire steel or round wire to withstand the workload and produce consistently accurate results.
Wirtgen SA customers gathered at Raumix Willows Quarry for the launch of the Kleemann Mobiscreen MS 703 EVO.
The Wirtgen Group is one of the largest providers of mobile crushing and screening equipment in the world, with a total market share of 9.8 % in 2016.
34 _ QUARRY SA | SEPTEMBER 2017