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Apron Feeder RKF
ThyssenKrupp Fördertechnik
Excellence in Technology
2
Apron Feeder
by ThyssenKrupp Fördertechnik
ThyssenKrupp Fördertechnik
are one of the world’s leading
manufacturers of machinery
and plant systems for the
mineral processing industry.
Based on decades of
experience, our engineers are
engaged in research and
development. The results have
become an integral part of
processing technology.
Customers worldwide benefit
from our innovation power.
Whether standard or
customized designs – whether
concepts to save energy or
to reduce production and
maintenance costs –
ThyssenKrupp Fördertechnik
always offer complete
solutions that are often opti-
mized in cooperation with the
customer.
Reliable, safe, profitable,
innovative...
ThyssenKrupp Fördertechnik.
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Stationary Single Shaft Impact Crusher
fed by two Apron Feeders at
Cementos Progreso S.A., Guatemala
Type PB 200/250
Capacity: 1,100 t/h
Pre-homogenisation of raw materials by
online analysator controlling and co-
ordinating the speed of the two apron
feeders.
2
Stationary Single Shaft Impact Crusher
fed by three Apron Feeders at Cruz Azul,
Aqua Caliente, Mexico
Type PB 200/250
Capacity: 1,000 t/h
Pre-homogenisation of raw materials by
online analysator controlling and co-
ordinating the speed of the two apron
feeders.
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ThyssenKrupp Fördertechnik
Apron Feeder with tractor chains
ThyssenKrupp Fördertechnik
Apron Feeders are operated
worldwide to convey all kind of
raw materials in different
process applications. They have
proven their reliable design in
heavy duty applications from the
cement production to the mining
industry. They are used to feed
different crushers with run of
mine raw materials including
lumps up to a size of 2m or are
integrated as dosing systems for
further drying and/or grinding
processes.
So far ThyssenKrupp
Fördertechnik has built Apron
Feeders with a width up to 3 m
and a length up to 30 m.
Lifetime lubricated tractor chains
and rollers with sizes from D 4 3
up to D 11 are chosen according
to the toughness of the task
ensuring high safety factors and
a long lifetime.
ThyssenKrupp Fördertechnik
Apron Feeders are installed in
horizontal as well as in inclined
applications. Due to the special
design of the aprons an inclinati-
on range from 20° to 26° can
be realized. In addition the bed
height of the conveyed material
stays constant ensuring an
equal material flow to the further
process. The high inclination
also allows to built compact
installations and to reduce the
length of the Apron Feeder
keeping the investment costs
low.
ThyssenKrupp Fördertechnik 4
Apron Feeders are designed for
conveying capacities extending
to above 14,000 t/h. 3
For either stationary, semi- ThyssenKrupp Fördertechnik Apron Feeder
mobile or mobile use. RKF 2,2 x 15,8 – D8
with inside chain arrangement.
4
ThyssenKrupp Fördertechnik Apron Feeder
RKF 2,4 x 17,0 – D9
with outside chain arrangement.
4
Head end drive station
and tail end tension station
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The head end drive shaft of the
ThyssenKrupp Fördertechnik
Apron Feeder is supported in
heavy duty dual row spherical
roller bearings and housings.
Fixed on this shaft are the cast
steel sprocket wheels which are
divided into segments allowing
to change the single elements
without disassembly of the
chain. In addition support rings 6
for the slide shoes of the aprons
are installed on the shaft to
avoid bending of the aprons and 5
Apron Feeder RKF 3,0 x 8,3 – D10
spillage at the discharge point.
during assembly in
ThyssenKrupp Fördertechnik workshop.
The tension of the chain can be
regulated by the spindle adju- 6
sting device at the tail end shaft. Drive shaft of
Apron Feeder RKF 2,5 x 26,0 – D10
This device allows in combinati-
on with the movable drive shaft 7
to optimize the discharge point Tension shaft of
e.g. into the crusher. Apron Feeder RKF 3,0 x 8,3 – D10
7
5
Drive systems
ThyssenKrupp Fördertechnik
Apron Feeders are operated with
hydraulic as well as electro-
mechanical drives. Each drive
system is designed to provide the
required torques even for starting
under full load conditions.
Electro-mechanical drives consists
of a planetary gear in hollow shaft
design in combination with an
AC-motor. The speed of the Apron
Feeder is controlled by a variable
frequency converter allowing to
reduce the speed stepless down
to 25 % of the nominal speed.
With hydraulic drives the speed is
infinitely variable over the entire
speed range from nominal speed
down to standstill. This can be
achieved either by axial piston
motors in combination with a
planetary gear or directly with an
Hägglunds hydraulic motor opera-
ted without additional gear box.
Due to the sensitive setting ranges
of all drives it is possible to com-
bine two or three Apron Feeders
8 obtaining already in the crusher a
pre-homogenization of the raw
materials for the cement
production.
8
Three Apron Feeders with hydraulic drives.
9
Hydraulic drive with axial piston motor
10
Hydraulic drive with Hägglunds motor
11
Double electro-mechanical drive
9
10 11
6
Heavy duty impact table and apron design
ThyssenKrupp Fördertechnik
Apron Feeders are designed with
an increased number of rollers
and side rails in the hopper area
to achieve a regular load distri-
bution in the feeder steel struc-
ture. For additional protection of
the supporting building struture
ThyssenKrupp Fördertechnik
Apron Feeders could be equip-
ped with an impact table being
provided with heavy duty choc
absorbers.
12
The maintenance free slide rails
are made of special steel
allowing to operate the Apron
Feeeder without additional
greasing system.
Thanks to this environmental
friendly design feature grease
spillage is avoided and the
safety in operation is increased.
ThyssenKrupp Fördertechnik
Apron Feeders are equipped
either with cast reinforced welded
aprons. Every apron is designed
13 with a special sealing lip guaran-
teing a minimum of spillage
during operation. The thickness
of the top plate can be chosen
according to the requirements.
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12
Heavy duty impact table with choc absorbers
13
Maintenance free slide rails
14
Cast aprons checked by surface crack test
15
Sliding shoes of aprons
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Reinforced welded aprons
15 16
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Service
ThyssenKrupp Fördertechnik Increase the productivity of your
are attaching great importance machinery and equipment.
to service. Get in touch with
ThyssenKrupp Fördertechnik –
Committed employees, wherever you are.
experience and the ability to
tread new paths together with
the innovative power, flexibility
•
•
Inspection services
Stand-by emergency services
and know-how are the
foundation on which the
• Repair services
– on site
successful co-operation with – in the workshop of the
our customers is built. service centre
Project research, damage
•
•
Diagnostic systems
Maintenance contracts
analysis, planning and
modifications aimed at a
• Spare parts services.
modernization and an increase
of the output of machines and
plants in conjunction with a 17
worldwide after-sales service Spare parts store.
which also covers the
18
equipment of other
ThyssenKrupp Fördertechnik control and
manufacturers. diagnostic system.
Maintenance and repair 19
services offered by Whether direct personal collection or
worldwide airfreight – we give our
ThyssenKrupp Fördertechnik
customers the fastest possible and most
include expert on-site economical method of delivery.
consultancy.
Repairs are carried out by
highly qualified staff using
high-quality and tested spare
parts.
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ThyssenKrupp Fördertechnik
Partners of the mineral processing industry
Product range
Crushing technology Grinding technology
• Stationary, semi-mobile and
mobile crushing plants •
•
Ball mills
Rod tube mills
•
•
Gyratory crushers
KUBRIA® cone crushers •
•
Hammer mills
Roll mills
•
•
Double-toggle jaw crushers
Single-toggle jaw crushers •
•
Separating systems
Water injection systems
•
•
Impact jaw crushers
MAMMUT® single-shaft hammer crushers Feeding and conveying systems
•
•
TITAN® double-shaft hammer crushers
Impact crushers •
•
Apron feeders
Chain conveyors
•
•
Roller crushers
RollSizers •
•
Reciprocating plate feeders
Vibrating screens
• SIEBRA® swivel-arm crushers
• Wobbler feeders
Screening technology Filtering- and drying technology
•
•
Linear vibrating screens
Circular vibrating screens •
•
Magnetic separators
Dryers
•
•
Elliptical vibrating screens
Eccentric vibrating screens •
•
Vacuum belt filters
CHF vacuum belt filters
•
•
Screener Fines screening machine
Grizzly primary screens •
•
Separating cyclones
Hydro-cyclones
•
•
Vibrating screen feeders
Unbalance drive units •
•
Cyclone clusters
Disc filters
• Aqua vibrating separators
Systems
•
•
Systems for power plants
Coal preparation systems
Engineering
Modernization, Refurbishment
After-sales service Technical details subject to changed. Printed in Germany. Apron Feeder 01 GB 11.10
Training
ThyssenKrupp Fördertechnik GmbH
Processing
Schleebergstraße 12, D-59320 Ennigerloh, Tel.: +49(2524)30- 0, Fax: +49(2524)2252
E-mail: info.tkfen@thyssenkrupp.com, http://www.tk-processing.com
