New design of compact crushing plant
The compact crusher KB 500 from BEYER has been on the market for almost 20 years and has been optimized several times. For example, a newly revised crusher body was installed in 2010. After the new crusher body with its heavy design proved a success during the last five years even with an increased portion of natural stone in the material to be crushed, it was necessary to give the crusher a new exterior design (Fig. 1). The open design was completely removed in order to provide optimum protection against dust for the components arranged in the casing, such as the drive motor and the generator. Now the power is supplied by a two-cylinder Hatz diesel engine 2 M 41 with a capacity of 23 kW, which additionally drives a generator of 8 kW. The generator in turn supplies the required power to the vibratory trough conveyor as well as to the belt conveyor for the material to be crushed.
With a jaw opening of 500 x 350 mm, an output of up to 20 t/h with a finished product of 0/45 mm is achieved. The completely mobile unit, i.e. the wheeled mobile trailer, including proportioning chute, diesel drive, pile belt conveyor and generating set has a weight of 4 t and, therefore, is equipped with a pneumatic brake. All plants are available as mobile ones on wheels or skids including diesel-electric generating set or exclusively electric. The two larger alternatives KB 700 (opening 700 x 500) and KB 1000 (opening 1000 x 500) have also been revised and are available as an option for hard rock (Fig. 2).
To refine the crushed demolition waste, Beyer’s supply program includes a floating-settling process to separate light materials, such as wood, gas concrete or polystyrene from the demolition waste. These light material sorting plants are also excellently suited for the processing of chips to remove impurities, such as stones, soil and other adhesive materials.
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