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Asphalt recycling granulator delivers the perfect grad

First publishedin Aggregates Business Europe
2011 July August
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Cesan's mobile five-floor asphalt plant
Cescan is promoting its mobile asphalt plant which has a capacity of 300tonnes/hour and features a five-floor screening system. The plant has 4tonnes of mixer volume and a stone mastic unit, and standard road dimensions allow easy transport on all roads worldwide along with easy installation.
Benninghoven's BRG 2000 granulator is a specialised recycling plant for the asphalt industry that the company claims can deliver high levels of production efficiently with minimum fines and dust content

In developing its machine the main criteria for Benninghoven's R&D team was to design a granulator capable of breaking reclaimed asphalt blocks and planings down to a perfect recyclable size without reducing the original stone content, and to handle trapped steel without damaging the equipment

"The BRG 2000 is capable of sizing one or two fractions and can process up to 200tonnes per hour. In its mobile version, the compact unit allows for quick set-up times, and for relevant small quantities of material to be processed economically," said Benninghoven

The primary crusher is fed by wheeled loader and slabs up to 1,800mm long can be processed. Hydraulically-powered arms press the material onto the single rotating grinding rotor where the cutting teeth act against the adjustable crusher camber bar to break down the feed material.

"The speed of the shaft is controlled electronically, ensuring a consistent feed, and a spring-mounted breaker bar allows the passage of trapped metal to be removed by a magnetic separator," said the company

The material, pre-crushed to around 0 to 60 mm, is transferred onto a belt feeding a high-capacity vibrating screen, which sizes finished products (0-8mm and 8-22mm). The oversize is re-crushed in the twin shaft BZG 1200 rotor granulator. The required final size is obtained by variable adjustment of the gap between rotors

"The material is handled gently so that the original grain structure of the aggregates is not destroyed during processing and only limited grit and dust are produced," said Benninghoven.

Companies in this article

Benninghoven
www.Benninghoven.com

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