The mechanical-suction system
How it works
Dirt is mechanically collected by side brooms that convey debris to the center of the machine, where it is hurled at high speed onto a vertical conveyor by the central cylindrical brush.
Debris is loaded from above into the waste container, thus optimizing the vehicle's load capacity.
After being lifted by the central cylindrical brush, dust is sucked up and retained in the waste container thanks to the vacuum created in it by two high flow and high pressure head suction valves.
This special fabric filtering system also retains the finest particles and completes the sweeping cycle, while ensuring only clean air flows back into the environment.
An ideal system for road sweeping
Thanks to the advantages of the mechanical-suction pick-up system, Dulevo sweepers are ideal for a wide range of urban applications, both in terms of type and weather conditions:
road sweeping in the summer, with sand and dust
road sweeping in the fall, with piles of leaves and pine needles
litter collection after street markets
sweeping in winter at very low temperature
As a matter of fact, only the side brooms (due to their position beyond the vacuum area) require spraying with a small amount of water to keep dust under control, so sweeping can be carried out even without any water.
Application of this innovative sweeping system on Dulevo sweepers assures:
Higher sweeping speed compared to a suction sweeper
Picking up heavy and large litter thanks to the side brooms and the vacuum created inside the container
Ability to operate with little or even no water
Ability to operate on wet surfaces
The picked up dust remains in the container
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