A new triple deck screen designed for high-capacity aggregate screening in a closed-circuit crushing process, has been introduced to the Southern African market.
Metso Outotec’s Lokotrack ST4.10 is the latest release from Pilot Crushtec International and is the largest model in the Lokotrack mobile screen range. With a nominal capacity up to 600 t an hour, it is said to be ideal for large-scale aggregate production in either a closed-circuit crushing process or for final sizing.
While static plants have always been preferred in high-volume aggregate applications, mobility and flexibility have become principal factors for aggregate producers, prompting the migration to mobile screens at several operations.
The plant has a 9 m² screen area with three 6 060 mm x 1 520 mm screen decks producing up to four end products. The wide feed box with an 8 m³ capacity and the 10 m side conveyors with adjustable angles and speeds, enable the unit to be deployed as part of a multi-stage crushing process in closed circuit with large scale crushing plants such as the Lokotrack LT120 or LT300HP.
The wide grizzly rock box is designed to make loading with a wheel loader easy when using the Lokotrack ST4.10 as a standalone unit in sand and gravel applications. Despite its large size and its 33 000 kg weight, the new mobile screen is said to be fast and easy to set up. With its 19 650 mm length, 3 040 mm width and 3 560 mm height transport dimensions, it can be transported between sites as a single unit on a low bed truck.
The screen is equipped with a diverter chute that enables blending of products from different decks. Side tensioned top and middle decks enable quick and easy changing of screening media helping to maximise uptime on site.
The solution can be equipped with the optional Metso Outotec IC process control system, which offers a safe single-button start-up and the possibility to interlock the screen with other Metso equipment in a train.
The new mobile screen is powered by a 106-kW CAT C4.4 106 engine.
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