Keestrack is ready for the future
Powering electric plug in driven crushers & screens via the grid or by one engine unit
Despite significant international restrictions caused by the corona pandemic, Keestrack Group looks back on an overall satisfactory business year. Positive feedback from distributors and many new products announced for the future indicate a sustainable improvement in business for the coming year.
"Keestrack was effected, just like many other international manufacturers of construction machinery with the effects of the corona pandemic," says Marcel Kerkhofs, Marketing Manager at the Belgian headquarters of the Keestrack Group. "However we are very positive and optimistic about the future, as we keep on innovating and introducing new products onto the market. Keestrack keeps focussing on mobile electric-plug in and hybrid driven crushers and screens to reduce emissions and operating costs."
In 2022 we will be - once more - expanding our range to include important additional machine solutions and completely new product lines, ”says Frederik Hoogendoorn, Managing Director. The family-run group expects to increase its worldwide turnover by 20 percent, which goes hand in hand with the expansion of its own workforce of currently more than 1000 employees and the international distribution network with more than 116 dealers and service partners in 100 countries.
One of the key products that Keestrack will be presenting in 2022 is the completely new designed Keestrack I4e tracked mobile reversible impact crusher. Thanks to the innovative RIC (Reversible Impact Crusher) technology, this machine can be used very flexible in the secondary crushing of rock and recycling building materials (eg. Asphalt). The specific design of the reversible horizontal impact crusher with a large variable crushing chamber, powerful rotor (Ø 1100 mm; 4 blow bars) and electronically monitored hydraulic gap adjustment (+80 to -220 mm with new tools) allows feed sizes of up to 250 mm and ensures consistently high-quality end products of up to 0/2 mm in closed circuit. Secondary and tertiary crushing can be now combined in one highly mobile solution, which makes the Keestrack I4e a real alternative to mobile cone crushers or vertical impact crushers, especially with regard to its outstanding production capacities from 100 to 250 t / h. According to Keestrack, the system offers also lower wear, better quality of the end products (grain shape) and significant energy savings in typical applications (eg. sand production 0/4 mm: approx. -30% compared to cone crushers; -30 to -40% compared to VSI impact crushers). This is also due to the advanced diesel-electric drive concept of the compact system (transport dimensions: 15.05 m x 3.00 m x 3.23 m), weighing 41 tonnes including the single-deck after screen with return conveyor. As with other Keestrack large crushers (Cone crushers H4e / H6e/H7e, Jaw crusher B7e), the drive unit with 447 kW diesel engine and 300 kVa generator is designed as a removable drop-off module. Electric drives for the crusher (160 kW), feeders and conveyor belts as well as the system hydraulics enable particularly cost-efficient and emission-free plug-in network operation. Three specific patents illustrate the innovative potential of the new Keestrack I4e concept.
Save by combining
Compared to conventional diesel-hydraulic units, diesel-electric driven plants directly save up to 40% of fuel. While working in production trains, the attributable fuel consumption may even decrease by 70% when the hybrid screeners are powered directly via the plug-out supply of an upstream or downstream diesel-electric crusher. When plugged in to the grid savings are even bigger (depending on the local electricity price) as both operational costs and maintenance cost will decrease drastically. To fully exploit this potential, Keestrack offers today besides the e-driven equipment also the tracked engine units. With these tracked engine/generator units several electric machines can be powered.
As the e-driven Keestrack equipment can be used, either plugged in to the grid, or by the Engine unit with on board gen-set, Keestrack first introduced since a few years the drop off module (diesel engine with integrated gen-set). Which could already feed several e-driven machines.
One step further is the introduction of tracked engine/generator units. These supply connected Keestrack crushers, screeners and stackers directly with electricity in case there is no plug in connection from the grid available. This way the economic advantages of the complete production train will rise to its full potential and when looking into the future Keestrack mobile crushers and screens can be sold even without an engine unit.