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Hoppers & Silos
Pneumatic interval impactors prevent bridging Prevent rat-holing with impactors Impactors allow total discharge of residue material
Application examples further damage to the containers, since each hammer strike
Powders, granulates, sand or piece goods, etc. are used in results in dents, which only serve to further restrict material
almost every manufacturing company. They are stored in various flow and the emptying of residues. Another undesirable side-
containers, silos or bunkers, depending on the size of the effect is the appearance of cracks in the protective coating of
production lines and the amounts of the products used. painted containers and, in general, a considerable reduction in
An impactor should be used anywhere where workers strike lifetime of the bunker.
containers and pipes with hammers or bars, in order to empty The smallest interval impactor is, for example, suitable for the
residues from the containers (or to clean the container walls). Netter DosyPack System. The container for this dosing system
Not only in order to automate this process, but also to prevent has a volume of 80l and a wall thickness of 1-2mm. The PKL 125
ensures constant product flow from the container onto the trough.
Impactors of the next size up are often used for cleaning
The ‘ALL NEW’
screw conveyors. Before cleaning the trough with chemical
Step-a-Matic
cleaning agents, the PKL 135 knocks the product residue from
rotary paddle from SYNATEL
the walls of the screw conveyor.
Filler pipes for lorries and BigBag stations are often cleaned
It lacks a couple of features
out using a PKL 170, or it is used to prevent product blockages
found on our competitors’ products!
during the filling process.
No Gearbox (to strip or fail)
The most powerful impactor at present, the PKL 240, whose
No Clutch
impact strength is almost 40 times greater than that of the PKL
(to wear out)
125, is used, for instance, for cleaning large filter equipment or
it does have:-
pipe bundles in power stations, with wall thicknesses of 10
(and our competitors’ units do not)
mm or more. Since the wall and ambient temperatures for
‘Patented’ Direct Drive
such applications are usually considerably above 100°C, special
(virtually indestructible) high-temperature versions (up to 160°C) have been developed
Electronic Torque Adjustment
using selected materials, which ensure optimum impactor
(one twin blade paddle suits all material) function even at these temperatures.
Bi-directional Rotation
In the chemical industry special versions of the impactors are
(avoids material compaction)
necessary for use in areas with potentially explosive dust or gas
it also includes:-
(Atex zones). The PKL E series is certified for use in Atex zones
1, 2, 21, 22. One example of their application is the cleaning of
Multi-voltage Power Supply
surge tank.
(24V dc/90-260V ac)
Impactors are used for a wide variety of handling applications
Adjustable Time Delay in the manufacture of special machinery. For example, the
Flexible Paddles up to 2m long
impulse generated by the controlled initiation of an impact can
be used to separate components which are wedged together
(e.g. cast blanks).
for more information & orders contact:-
Synatel Instrumentation Ltd.,
Generally speaking, interval impactors and vibrators serve to
Cannock, Staffordshire. WS11 9TB UK
Tel: +44 (0) 1543 277003
optimise product flow. They are used for conveying, compacting,
Fax: +44 (0) 1543 271217
cleaning, sieving and testing.
Step-a-Matic web: www.synatel.co.uk
e-mail: sales@synatel.co.uk For more information contact NetterVibration on tel: +44 (0)
1543 424 990, or visit: www.NetterVibration.com
24 Solids & Bulk Handling • August 2007 www.solidsandbulk.co.uk
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