27.03.2011

First Kleemann for Pinden Group

KENT-based Pinden Limited has taken delivery of its first Kleemann crusher after many years’ operations using machines from an industry competitor. The Mobicat MC 110Z is one of a range from the Kleemann stable, which is sold in the UK by Wirtgen Limited. Pinden director, Steve Bishop, says the company opted for a change despite the machine’s higher cost, because of Kleemann’s reputation for superior build quality and its potential to deliver significant lifecycle fuel and other savings.

Pinden Ltd’s new Kleemann Mobicat MC 110 Z mobile jaw crusher

Pinden Ltd’s new Kleemann Mobicat MC 110 Z mobile jaw crusher

“We had the machine on demonstration, first,” says Bishop. “We were convinced we can make considerable savings in fuel consumption over the lifetime of the machine. We also found output to be higher, and the quality of product was better, than previous machines. Normally we would replace our crushers after three years; we expect to get five years from the Kleemann, with lower component replacement costs over that time. Wear parts are of a much better quality.” The Kleemann features a pre-screen which reduces fines before crushing, greatly reducing wear on the machine’s manganese steel jaws.

The Dartford firm is part of a group of companies which include Syd Bishop and Sons (Demolition) Limited. Its Pinden quarry is the site of one of the South East’s largest processors of demolition waste for the construction industry, producing 6F1/6F2 materials for roads and other applications in accordance with WRAP specifications. Crushing facilities have to respond quickly to rising seasonal demand or peaks resulting from large individual projects. “We learned from the demo’ that the machine was capable of very high productivity. In fact one shovel alone couldn’t keep up with it,” says Bishop. “It means that, when demand [for material] is high, we can step up the output as necessary. The machine is also good from a dust-suppression point of view, which is important, as the site is regulated by the Environment Agency, being a receiver of hazardous waste.”

Kleemann southern area sales manager, Aidan Gillic, estimates the Mobicat should be good for annual fuel savings of up to £15,000 compared to competing machines. He says fixed jaw life could exceed 2,000 hours before replacement. “The geometry of the jaws also makes for a better end-product, which is easier to compact. The Mobicat hopper, crusher and discharge conveyor arrangement allows a smoother flow of material than others on the market. There’s less tendency for blockages. In addition, the magnet is hydraulically adjustable; the magnet remains parallel to the belt.”

The Mobicat track-mounted single toggle jaw crusher is designed for pre-crushing natural stone and mineral construction waste for re-use. With a crusher inlet size of 1100 x 700mm, the Mobicat 110 Z is equally at home in quarrying or recycling operations. With its easy to transport size and weight of 45-50 tonnes, it has the largest scope of application of all mobile jaw crushers. The independently vibrating double deck pre-screen can be equipped with different meshes, according to the application. That way, pre-screen material can bypass the crusher or be stockpiled by the left or right side-mounted discharge conveyor belt, giving flexibility on construction sites where space is at a premium.

A 266 kW low fuel consumption, low noise and low pollution diesel engine, flange mounted hydraulic pumps and a coupled electricity generator deliver the power for the crusher and the electric drive for the belt, conveyors, conveying chutes, and screens.

A Siemens PLC control system with LCD display for manual and automatic operation come as standard on the Mobicat. A vibration-isolated, double switch cabinet housing and built-in overpressure system, along with connections for control cable to interlock auxiliary machinery and socket outlets for 230 and 400V components are provided.

Optional features include an electric or permanent magnetic separator and, on the 110, a single deck, longitudinally tensioned, large area vibration screen that can be hydraulically lowered for mesh replacement for quick changeover.

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Mark Hezinger
Manfred-Wörner-Str. 160
73037 Göppingen
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