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In brief

Fast removal of oversize material A new Vibroscreen Low-Profile Pressure Sifter from Kason removes oversize particles at ultra-high rates.

The sealed system can be employed to operate under a blanket of an inert gas, to prevent the escape of hazardous gases and/or to sift in-line with pressurised reactors.

Capable of scalping bulk materials at rates to 50 tonnes per hour, the 183 cm diameter unit is engineered and constructed to operate under pressure on a batch or continuous basis. Connections to the incoming line, discharge line for on-size particles, and discharge spout for oversize particles are sealed using flexible pressure sleeve connectors.

The low profile Flo-Thru design employs two unbalanced-weight gyratory motors mounted on opposing exterior sidewalls of the unit, instead of one motor positioned beneath the screening chamber, reducing minimum height requirements significantly. The design also aligns the top inlet above the bottom outlet, allowing on-size material to descend through the screen in a straight- through path at high rates. Oversize material is ejected through a spout at the periphery of the screen.

The Pressure Sifter is offered in stainless steel and carbon steel in diameters from 460 to 2135 mm.

Solid waste & recycling seminar The IMechE has a one day seminar looking at Bulk Handling in the Solid Waste, Recycling and Biomass Industries on the 14 June 2012.

The waste processing and recycling industries are a major growth area around the world. However there are special challenges involved due to the nature of the materials; variable, poorly flowing, low density, tendency to self- heat among others.

This seminar will focus on the special issues faced by those designing, procuring or operating solids handling systems in the waste industry. The focus will be on case studies from current practice and likely future developments. To register for the event please visit: ?EventID=1540

6 Solids & Bulk Handling • May 2012

Caterpillar’s on a roll with 64 new machines in 2012

By Kelly Rose

Caterpillar is looking forward to a good 2012, as the firm rolls out 64 new machines in the building construction products and the global construction and infrastructure sectors. The company introduced its new models to the press at its exclusive ‘Reveal’ event in March, which was held at its UK factory in Desford, Leicester.

Some 51 of these machines were revealed at its Desford launch, with the remaining 13 being introduced at the Intermat exhibition.

The company certainly put on a show, and being the year of the Olympics this was the theme of the event. A team of gymnastics came on and amazed the crowd with their strength and flexibility. After this, six of the new products were shown to the press, and these impressed the same crowd for having the same agility as the gymnasts.

The first machine brought out was the 8 tonne class E Series mini excavator, the 308E CR SB. This is the largest of the five models in the E Series compact radius range. All use new engines that meet Stage IIIB emissions regulations and incorporate new features such as the COMPASS control panel, more efficient auxiliary hydraulics, and redesigned control layout. The new models are designed to carry on the solid performance of their D Series predecessor, while adding even greater value for the customer.

Also shown was the new 13.6-tonne

E Series Hydraulic Excavator 312E

Cat 312E, which is the successful 312D’s replacement, while the 16.7- tonne 316E takes over from the popular 315D. Both machines feature highly efficient Cat engines that meet EU Stage IIIB emissions standards while providing fuel savings of 8% and 9% respectively. Caterpillar took the opportunity to introduce the H2 line of compact wheel loaders, featuring upgraded engines, a revised loader control valve, standard pilot joystick levers and simplified auxiliary hydraulic connections. At the demonstration, delegates were next treated to an example from the range of new Cat K Series Small Wheel Loaders. 924K, 930K and 938K are completely redesigned, incorporating new engines that meet Stage IIIB/Tier 4 Interim emissions standards and significant new features that deliver enhanced performance, fuel efficiency and operator comfort.

Caterpillar also introduced the TH406C

Operator comfort and safety is key: 316E

Telehandler, which features Cat C4.4 ACERT engines that meet Stage IIIB emissions standards and are available in a 92.6 kW (124 horsepower) or a 106 kW (142 horsepower) rating. Other models in the range are TH336C, TH337C. And finally, Caterpillar introduced the F Series Backhoe Loader – which is an upgrade from its popular E Series backhoe loader range. Delivering improved performance, enhanced visibility and serviceability and a range of engines to meet applicable emission standards. Caterpillar clearly demonstrated its strong focus on the latest stage IIIB engines, which meet with the latest emission regulations, reduced fuel consumption and ease of operation.

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