Application
Medium - pressure fan type MT.
Cement raw materials occur in various
hardnesses which, combined with other factors, determine the mode of comminution prior
to mill grinding. Some raw materials can be
crushed down to mill feed size in one stage
while hard materials may require two-stage
crushing, i.e. primary crushing followed by
secondary crushing.
The hammer crushers without inlet grate are
basically secondary crushers, but their robust
and sturdy design makes them well-suited for
primary crushing for materials which have
been quarried by ripping or similar fragmenting methods as well as for gypsum and
raw coal. They can also handle materials containing some degree of moisture.
FLS hammer crushers without inlet grate are
available with rotational speeds suitable for
primary as well as secondary crushing, and
can be tailored to suit individual raw materials.
The slot widths in the outlet grates may be
adapted to the operational conditions in question.
FLS hammer crushers without inlet grate are
Design and operation
available with one or two sets of rotors. The
rotor shafts are fitted with hammer discs on
which the hammers are pivotally mounted.
The rotor shafts run in sturdy oilbath-lubricated
roller bearings and are supported on the
crusher casing of heavy cast steel and weldedup sections bolted together. The casing is fined
with replaceable wear plates.
The double hammer crusher has a heavy anvil
with replaceable crushing plates which are
adjustable in relation to the hammers to compensate for wear. The double hammer crusher has
a heavy anvil with replaceable crushing jaws
and outlet grate, both of which can be adjusted
to compensate for wear.
The single hammer crusher has an outlet grate
with replaceable grate bars and an adjustable
crushing plate.
FLS hammer crushers without inlet grate are
designated EUI (single without inlet grate) and
DUI (double without inlet grate), followed by
two digits specifying the diameter across the
hammers and the width of the rotor unit.
Dimensioning
Crusher
Crushing
Type
Size
Out
put
t/h
90x100
120
Power
Outlet
slots Speed cons. Motor
kg cm m m rpm
kW
kW
Feed
40
35
29
985
180
2x132
125x150
160x150
Secondary DUI 160x200
250 80
360 160
480 160
40
60
60
30
34
34
735
490
490
350
520
660
2x250
2x375
2x475
200x150
200x200
200x250
525 400
700 400
875 400
80
80
80
34
34
34
420
420
420
690
950
1200
2x530
2x710
2x900
200x300 1000 400
75x375
15 10
75x75
35 10
EUI
90x100
60 20
125x125 110 40
160x150 325 350
160x200 425 350
80
20
20
30
35
60
60
34
19
19
29
34
34
34
420
980
980
985
735
400
400
1400 2x1000
23
37
50
75
85
132
150
220
450 2x335
575 2x450
475 1000 100
625 1000 120
34
34
350
350
700
900
750 1000 150
900 1000 150
34
34
350
350
1100 2x850
1300 2x1000
crushing
of
relatively
hard
limestone
Primary
crushing
200x150
of soft
DUI
200x200
limestone
e.g ripped
200x250
200x300
Type
DUI
EUI
Crushers
Size
90x100
125x150
160x150
160x200
200x150
200x200
200x250
200x300
75x375
75x75
90x100
125x125
Output figures are for guidance only, depending on nature of material
Primary crushing:
For outlet slots 34 ->50 mm, base calculations on 1.2 x rated output for
the motor size stated.
For outlet slots 34 ->75 mm, base calculations on 1.4 x rated output for
the motor size stated.
For outlet slots 34 ->1000mm, base calculations on 1.6 x rated output for
the motor size stated.
For secondary crushing outlet slots larger than 34 mm are used only in
exceptional cases.
2x530
2x710
A
B
C
D
E
900
1250
1600
1600
2000
2000
2000
2000
750
750
900
1250
1000
1500
1500
2000
1500
2000
2500
3000
375
750
1000
1250
730
1120
1500
1500
1900
1900
1900
1900
500
500
595
820
1205
1705
1710
2210
1710
2210
2710
3210
475
850
1140
1410
2390
3170
4020
4020
4990
4990
4990
4990
1120
1120
1520
2000
Dimensions (mm)
F
G
H
1090
1620
1590
2090
1590
2090
2590
3090
355
750
1000
1250
1280
1700
2100
2100
2500
2500
2500
2500
990
1210
1510
1890
1510
1870
1940
2255
2070
2320
2620
2970
1000
1246
1500
1700
I
K
L
M
Weight
(kg)
3060
3900
4880
4880
5860
5860
5860
5860
1665
1665
1890
2650
3050
3930
3980
4575
4060
4560
5160
5800
1275
1650
2230
2530
1580
2000
2450
2450
3260
3260
3260
3260
1060
1060
1245'
1630
830
1050
1300
1300
1660
1660
1660
1660
600
600
700
900
17500
37000
56000
70000
85500
100000
125000
150000
3900
5300
9200
19500
Data in this brochure series is only intended for preliminary project planning. Manufacturer reserves the right to modify equipment details and/or specifications without notice.
DENMARK: F. L. Smidth & Co. A/S. Vigerslev Allé 77, DK-2500 Valby Copenhagen • UNITED KINGDOM: F. L. Smidth & Co., Ltd. 17, Lansdowne Road, Croydon, GB-CR9 2JT • FRANCE:
F. L. Smidth & Cie - France, 55, Rue Ampére, F-75017 Paris • FEDERAL REPUBLIC OF GERMANY: F. L. Smidth & Co. GmbH, D-2400 Lübeck, Geniner Strasse 133-135 • ITALY:
F. L. Smidth & C. Italiana, S.r.l., Via Lucilio, 25,1-00136 Rome • SPAIN: F. L. Smidth & Cia. Española, S.A., Calle de Jorge Juan, 46, Madrid 1 • CANADA: F. L. Smidth & Co. of Canada,
Limited, 1500 De Mainsonneuve Blvd. West, Montreal, Quebec, Canada H3G 1H1 • U.S.A.: F. L. Smidth & Co., 300 Knickerbocker Road, Cresskill, New Jersey 07626 • MEXICO:
F. L. Smidth & Cia., S.A. de C.V., Ave, Campos Eliseos, 385, 5° piso, Torre B, Polanco. Mexico City 5, D.F. • BRAZIL: F. L. Smidth, S.A. Comércio e indústria, Rua Nebraska, 459, Brooklin
Paulista - CEP-04560, Caixa Postal 3506, 01000 Sao Paulo - SP • JAPAN: F. L. Smidth & Co. (Japan) Ltd., Togeki Building 1-1, Tsukiji 4-chome, Kyobashi P.O. Box 78, Chuo-ku, Tokyo 104.