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Multi-purpose slurry tanker
Page 66
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• The design of a 2250ga1 waste-ciiiposal tanker, recently evolved by Fusion (Bickenhill) Ltd, Solihull, Warks, was inspired by the necessity for contractors to employ a stable vehicle when collecting slurries and waste materials from farm livestock units, and one that can be employed safely to spread materials having fertilizer properties on farm lands, in addition to undertaking industrial and municipal work.
The loading system of the tanker has to accommodate the "occasional" chicken carcase as well as the odd stone and straw. To enable the centre of gravity of the vehicle to be kept to a minimum it was essential to specify a tank of elliptical section. This is not suitable for vacuum filling which requires a cylindrical tank, and the vehicle is equipped with a German snake pump, a choice that was dictated by the need to combine "filling versatility" with an ability to discharge the load through jets on the side of the vehicle to distances up to 130ft through a pipeline or from two rear outlets fitted with spreader plates. The recommended chassis is a Ford six-wheeler with a tandem-axle bogie, but is acceptable mounted on other chassis.
The snake pump has a claimed output of up to 22,500gal /hr with an input power of 25hp. Constructed of steel, the rotor runs in a rubber-lined casing and this gives a low rate of wear so long as it is being lubricated by wet waste.
Because it is long and narrow the pump can be positioned low on the chassis, and in the Fusion application it is located transversely behind the cab; the plumbing are 3in. diameter. It is driven by a Danfoss Orbit high-torque hydraulic motor, which is reversible. In addition to catering for the use of these unloading systems, the pump provides for internal circulation in transit to mix the slurry. The tanker is the latest in the company's Whale series and costs £7000. Pipes up to bin. diameter can be specified.