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Screw and Auger Compactors
Screw-auger compactors: double the tonnages; halve transport costs, slash waste disposal bills and cut maintenance: here's how -
Most static compactors in use are hydraulic with rectangular press plates. They work and reduce waste costs for volume producers but screw (auger) compactors are by far the better solution for all these reasons:
Higher Container Tonnages - Often Double
Depending on the waste type, you could double the tonnage with a screw compactor. Many waste contractors are now using screw compactors to get higher payloads for DMR (dry mixed recycling) waste: the reason is because the screw mechanism deforms the waste BEFORE pushing it into a container. The hydraulic compactor merely pushes it in and the only compaction takes place when the container is nearly full - in fact most waste isn't even compacted. Because the screw-auger compactor deforms it before pushing it into the container the tonnage can be increased significantly. For general waste 60% higher tonnages are quite common.
Doubling the tonnage means halving the number of lifts; with transport costs typically between £120 and £170 each time, the screw compactor could drastically reduce your waste bills.
No Drag-Back Of Waste Behind The Press Plate
Material drag-back seriously affects the efficiency of hydraulic compactors. The material slides back under and round the press plate eventually jamming up the cylinder maintenance space and stopping the press plate from moving. It then needs cleaning out by hand, frequently a messy job if the waste stream is not dry. Screw-auger compactors do not have such a compartment in them and the constant forward action of the screw avoids material being pulled back.
No Hydraulic Mess With Oil Changes and Spills
Hydraulic compactors are heavy on maintenance: they need oil changes and new filters every year, oil leaks are common even on the best makes due to the system being constantly under pressure and you have to pay for this.
Screw-auger compactors are electro-mechanical: no hydraulics. Maintenance routines involve safety checks and greasing, relatively easy for in-house engineers rather than the machinery provider and much quicker. With a screw-auger compactor you can comfortably cut your maintenance costs by half.
These reasons alone would make choosing a screw-auger compactor over a hydraulic static compactor a no-brainer, but there's one more: they cost the same or less than a hydraulic compactor.
With pressure on costs for everybody and transport costs going up you can do yourself and your organisation a favour by putting in a screw-auger compactor rather than a hydraulic compactor this time.