baler_air_handling_systems_Machinex
Disc screens have been used for construction and industrial purposes
for quite some time. There are generally two different types of disc screens in the recycling industry for fibre sorting: cardboard and newsprint
screens. Disk screens have also been produced for single stream
recycling systems to separate the containers from the fibres.
Equipment carriedd by Machinex includes conveyors, disc screens, sorting platforms, magnets, eddy current separators, as well as balers.
A primary sort technology chosen was one where, after the incoming
stream has been cleaned up and all materials debagged, containers and
fibres are moved along a separator which uses rows of "stars" that act
as a screen. Fibres and bags of film pass over the top of the disc
screens. The Mach I Separator, designed by Machinex, is rated to
process about 20 tonnes per hour at 96 per cent efficiency for fibres
and 85 per cent for containers. (For example, fibres have four per cent
containers; the containers have 15 per cent fibres.)
The latest Machinex Recycling Technologies separation disc screens
maximize the sorting efficiency of solid, commercial and institutional
waste, the company says. The design of the new disc screens increase
volume throughput while decreasing manpower and also allow easy access
for maintenance personnel.
The implementation of a secondary disc screens such as the Mach One Finishing Screen has been successful in creating a cleaner container
stream by removing a greater percentage of the fiber from the
containers while at the same time screening out the fines.
This finishing disc screens helps reduce residue while providing a
cleaner stream to the sorters. Separator disc screens need to be
designed with built in flexibility to allow for changes in product and
climatic conditions. Features such as variable angle screen decks, an
easily adjustable screening surface with replaceable split discs and
variable speed drives play a role in the efficiency of the separator.
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