MELBOURNE - HEAD OFFICE Suite 7, 61-63 Camberwell Road Hawthorn East, VIC 3123Phone: +61 3 9834 7400 Fax: +61 3 9834 7405

MALAYSIACommercial Division – ASIA6 Mile Jalan Ipoh, 68100 Batu Caves,Selayang, Selangor, Darul Ehsan,Malaysia Ph: +60 3 6251 2195Fax: +60 3 6255 2173

BananaScreens

All product design, dimensional and general information contained in this catalogue is

subject to change without notice. Linatex strongly recommend consultation with Linatex

staff before purchase to ensure the correct equipment is chosen. All process equipment

should be used for its intended designed purpose only. Failure to follow procedures for

selection, installation, care, maintenance, storage and handling may result in premature

failure and may result in damage to property and/or serious injury. Linatex standard terms

and conditions of sale will apply.

Hea

dlin

e G

raph

ics A

ustr

alia

Pty

. Ltd

. +61

3 9

419

9775

www.linatex.com There is no equivalent

CHINA Room 3101 New Town Centre No 83 Loushanguan RoadShanghai 200336People’s Republic of China Ph: +1 480 733 2391Fax: +1 480 733 2918

CHILESanta Catalina de Chena 850Parque Industrial Estrella Del SurSan Bernardo, Santiago, ChilePhone: +56 2 447 9400Fax: +56 2 447 9368

UNITED KINGDOMWilkinson House, Blackbushe Park, Galway Road, YateleyHampshire GU46 6GE, EnglandPhone: +44 1252 743000 Fax: +44 1252 743046

SOUTH AFRICA5 Fuchs Street, Alrode 1451,Gauteng, South AfricaPhone: +27 11 617 4800 Fax: +27 11 908 1644 Head OfficeFax: +27 11 908 2130 Process Equip. Fax: +27 11 908 5518 Rubber/Pumps

DANDENONG 23 Quality DriveDandenong, VIC 3175Phone: +61 3 9706 6568Fax: +61 3 9706 6575

TOWNSVILLELot 3, 694 Ingham RoadMt. St. John, QLD 4814Phone: +61 7 4758 6100Fax: +61 7 4758 6111

MT ISA26 Richardson RoadMt Isa, QLD 4825Phone: +61 7 4743 2805Fax: +61 7 4743 7209

DARWIN 2/15 Graffin CrescentWinnellie, NT 0820Phone: +61 8 8984 4931Fax: +61 8 8984 3032

KALGOORLIE216 Dugan Street Kalgoorlie, WA 6430Phone: +61 8 9021 0266Fax: +61 8 9021 0277

PERTH30-36 Wittenberg Drive Canning Vale, WA 6155Phone: +61 8 9256 8300Fax: +61 8 9265 8305

Linatex Asia

There is no equivalent

CANADA372 Noel Spet Iles, Quebec G4R1L7 Phone: +418 968 2822 Fax: +418 962 9221

Linatex South America Linatex EuropeLinatex Africa

Linatex Australia

TENNESSEE - HEAD OFFICE1550 Airport Road,Gallatin, Tennessee 370666 USA Phone: +1 615 230 2100Fax: +1 615 230 2109

Linatex North America

Banana Concept

Concept

A major innovation in screening technology was the development of the ‘Banana’ multi slope concept screening machine capable of achieving exceptional throughput per screening area. The screening concept is that of a high capacity, thin layer and high velocity machine. The screen includes any number of inclinations from two to as many as six varying from 45° through to horizontal on the last slope. The various slopes may incorporate deck media with different apertures to meet the particular process requirements.

The screens are commonly designed to fit modular polyurethane deck panels. However, woven wire or punch plate may be used. Facilities may be incorporated to assist in the fitting of dust suppression covers.

More recently the banana screens in double deck execution have been developed again in an effort to reduce the number of equivalent horizontal double deck units installed.

Banana screens vary in size from as small as 1.8m wide to as much as 5.5m wide with masses of up to 28 tons. The more common sizes are 3.0m wide by 10m long with a mass of approximately 16 tons.

Benefits

Improved sizing efficiency due to thin layer screening

Low water consumption when wet screening

Low energy requirement

High specific feed rate and capacity resulting in reduced screen (unit) size.

1.

Characteristic material flow over Multi Slop Banana Screen

Quality by design

2.

SuspensionSuspension is either by means of steel coil springs or moulded rubber buffers. Buffers have higher dynamic loads but are more suited to wet applications. The number and type of buffers or springs is determined by the mass of the screen.

Vibrating MechanismScreens are vibrated in linear motion using geared exciters with contra-rotating out-of-balance masses. Different sizes of exciter units or multiples thereof are used for the various models of screen depending on the screen mass. The advantage of the geared exciter is the continuous splash oil lubrication, which ensures long life. Exciters are driven externally using cardan shafts via v-belt and pullers, for optimal performance.

Line of action varies from 40° through to 65°, most common being 45° or 50°.

DriveDrive transmission is through cardan shaft, pulleys and v-belts allowing simple adjustment of screen operating frequency.

Sceen DeckMost often the deck support structure is designed for the use of easily removable polyurethane foot modular panels. Other types of screen media may be used including woven wire and punched plate.

Deck Support Stringers and BeamsThe use of stringers and beams as a deck support system not only gives longer life due to comprehension rubber protection but also allows for the renewal of only those members that require replacement.

Surface ProtectionHigh quality preparation and corrosion protection systems ensure a good corrosion protection resulting in improve screen life.

ConstructionThe screen frame is bolted construction by means of high tensile ‘Huck’ or threaded fasteners. Minimal welding is used but only in low stress areas. All joints incorporate an epoxy adhesive between the mating faces to eliminate the ingress of moisture and thus prevent deterioration of the integrity of the joint through corrosion. The epoxy also assists in strengthening the joint.

SubframeVibration absorbing subframes are used to reduce the dynamic loads imposed on the support structure. This is normally in case of screens situated ‘high-up’ in screening buildings.

Technical Support

Screen capacities vary widely depending on the material characteristics and the separation required. The Process and Application Engineers at Linatex utilise not only their many years of developing local applications but also the experience of worldwide installations to ensure that they optimise the best screen requirements available. The following data should be made accessible to facilitate the sizing procedure:

Type of material to be screened

Feed rate Bulk density of material Requirements in terms of cut point and efficiency PH of material or wash water Particle size distribution

Applications

A linear motion and large vibration amplitude plus high screen acceleration make the Banana Screens suitable for many varied applications, these combined features also reduces the incidence of blinding and pegging.

Diamond Mining

Primary and Secondary Sizing Feed preparation/desliming, course and fine Drain and Rinse floats

Coal Mining

Primary and Secondary Sizing Drain and rinse Feed preparation/ desliming and pre-wetting Stockpile load – out (sizing)

Copper Mining

Secondary Sizing Load out/product screen

Others

Salt crystal processing Dolomitic lead zinc ore

Platinum Mining

Primary and secondary sizing Mill cyclone overflow

3.3.

BHG 38/11 Banana Screen

The geared Exciter with dual shaft contra rotating out of balance messes.

Technical data / Layout Dimensions

4.

Examples of Linear Motion Banana Screens

Machine Type

ScreeningArea

ScreenFrame Suspension Location

OverallHeight

OverallDrive

(approx)Width Length Width Length

BHG20/57/62.52 2000 5700 2030 6252 2400 1068 3593 1880 3150 1110BHG21/57.85/57 2100 5700 2160 5785 2700 793 3750 800 2452 1000BHG22/90/95.8 2200 9000 2230 9585 2850 1260 6077 2158 3250 1490BHG24/67 2400 6700 2460 6723 3040 1109 4308 1584 3530 1000BHG24/100/90.9 2400 9000 2460 1000 3150 2146 5670 1535 3050 1200BHG27/54.9/66.49 2700 5490 2750 6649 3400 900 4469 1893 3250 1530BHG30/76/85.31 3000 7600 3030 8531 3630 1650 5336 1575 3400 1470BHG30/76 3000 7600 3070 7850 3630 1491 5334 1575 3300 1210BHG30/88.39 3000 8400 3050 8706 3750 1596 6000 1042 3400 1500BHG/30/85.5/99.5 3000 8550 3030 9677 3700 1891 6017 1924 3400 1470BHG30/91.5/99.74 3000 9150 3050 9974 3700 2140 6024 2656 3700 1470BHG38/95/105 3800 9500 3830 10490 4500 2575 5901 2828 4250 2080BHG30/97.54 3050 9754 3070 9444 3750 2251 6290 1495 3683 3545BHG37/97.54 3660 9754 3720 9458 4500 2664 5665 1558 3979 3750

DBHG24/73 2440 7505 2460 7805 3160 2298 4300 1627 3840 1560DBGH27/732 2750 7505 2770 7805 3470 2334 4300 1627 3934 1560DBGH30/61 3050 7563 3070 3563 3670 1786 3845 1457 3537 1400DBGH30/67 3000 6700 3050 7563 3870 1636 3850 1459 3750 1290DBGH30/732 3050 8107 3070 8107 3670 1580 4790 2654 3892 1370DBGH30/87.86 3030 8531 3050 8625 3750 1789 5336 1098 3676 1200DBGH36/61 3688 6925 3708 7233 4488 1392 3377 1676 4479 1500DBGH30/97.54 3050 8984 3074 9756 3700 2609 3723 1569 4909 4238 DBGH37/97.54 3660 9577 3720 9716 4500 2699 5420 1454 4533 4129

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A B C D E F G H I J

Machine Type

BHG20/57/62.52 40o 36

o 24

o 18

o 1800 2150 160 7900 1 x Mk 4 Spring 13.5 kg/mm 8 18.5 11.4 PU

BHG21/57.85/57 50o 30

o 20

o 10

o 1400 1800 61 6400 1 x Mk 3 Spring 13.5 kg/mm 8 18.5 12.0 PU

BHG22/90/95.8 40o 34

o 23

o 10

o 3360 2490 150 11580 2 x Mk 3 Spring 13.5 kg/mm 12 37 19.6 PU

BHG24/67 50o 30

o 20

o 10

o 2200 1730 106 7840 1 x Mk 4 Spring 13.5 kg/mm 8 22 16.0 PU

BHG24/100/90.9 50o 36

o 24

o 12

o 3476 2875 362 12702 2 x Mk 3 Rubber 50 kg/mm 8 37 24.0 WW

BHG27/54.9/66.49 50o 34

o 23

o 12

o 2400 3150 +400 10200 2 x Mk 3 Rubber 50 kg/mm 8 37 15.7 PP

BHG30/76/85.31 40o 34

o 23

o 10

o 3300 3750 200 14100 2 x Mk 4 Spring 13.5 kg/mm 12 45 22.8 PU

BHG30/76 50o 34

o 23

o 10

o 3070 3480 142 13100 2 x Mk 3 Spring 13.5 kg/mm 12 37 24.2 PU

BHG30/88.39 45o 25-20

o 15-10

o 5-0

o 3623 3120 472 13846 2 x Mk 3 Spring 50 kg/mm 12 37 27.0 PU

BHG30/85.5/99.5 40o 34

o 23

o 10

o 4000 4000 +600 16960 2 x Mk 4 Rubber 50 kg/mm 12 45 25.7 PU

BHG30/91.5/99.74 40o 34

o 23

o 10

o 4000 4000 +600 16000 2 x Mk 4 Rubber 50 kg/mm 12 45 27.5 PU

BHG38/95/105 38o 34

o 24

o 12

o 5950 5950 +250 23800 3 x Mk 4 Spring 13.5 kg/mm 20 75 36.1 PU

BHG30/97.54 40o 30-23

o 17-11

o 5-0

o 3899 4314 +263 16426 2 x Mk 4 Spring 16.8 kg/mm 16 45 30.1 PU

BHG37/97.54 45o 31-23

o 16-10

o 5-0

o 4519 4965 +447 18968 3 x Mk 4 Spring 16.8 kg/mm 22 55 34.5 PU

DBHG24/73 50o 30

o 20

o 10

o 4441 3836 24 16554 2 x Mk 4 Spring 13.5 kg/mm 16 45 17.8 Rub/PU

DBHG27/73.2 50o 30

o 20

o 10

o 5061 4223 223 18468 2 x Mk 4 Spring 13.5 kg/mm 16 45 20.0 Rub/PU

DBHG30/61 50o 35-25

o 25-20

o 13-7

o 4469 4275 237 17488 2 x Mk 4 Spring 13.5 kg/mm 16 45 22.3 PU

DBHG30/67 50o 35-30

o 25-20

o 13-7

o 4310 4186 243 16992 2 x Mk 4 Spring 13.5 kg/mm 16 45 22.3 PU

DBHG30/73.2 50o 35-25

o 25-15

o 10

o 4401 4138 538 17078 2 x Mk 4 Rubber 50 kg/mm 12 45 24.0 PU

DBHG30/87.86 40o 34

o 23

o 10

o 6334 6866 16 *26400 2 x Mk 4 Spring 13.5kg/mm 16 45 25.0 PU

DBHG36/61 50o 34

o 23

o 12

o 10120 8840 52.7 *37920 3 x Mk 4 Spring 13.5kg/mm 28 75 24.5 PU

DBHG30/97.54 50o 20-23

o 17-11

o 5-0

o 5725 6561 514 24572 2 x Mk 4 Spring 16.8kg/mm 24 75 29.5 PU

DBHG37/97.54 45o 30-23

o 16-10

o 5-0

o 6910 7265 616 28350 3 x Mk 4 Spring 16.8kg/mm 28 75 35.7 Rub/PU

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DriveInclindation

Screen DeckInclination

1st 2nd 3rd

StaticLoad - Kg (per

Suspensionpoint)

P1 P2 P3

Dynamic Load - Kg (per

Suspensionpoint)

TotalMass

Kg

VibratingMechanism

Suspension

TypeNo.off

MotorkW

Screenareaper

deck

DeckType

* Includes subframe Standard operating frequency of 900 rpm

Dimensions all in millimeters.

Finite Element Analysis

While screen design has evolved and improved from many years of operational experience and industry know-how. Linatex wanted to take these improvements a step further. In 1992 Linatex introduced the Finite Element Analysis (FEA) method of design to our development methodology. Our in-house FEA capabilities have assisted in optimising the mass and strength of the screens, assisting in providing lower cost solutions in terms of capital as well as operational costs.

Geometry Modeling System

5.

MELBOURNE - HEAD OFFICE Suite 7, 61-63 Camberwell Road Hawthorn East, VIC 3123Phone: +61 3 9834 7400 Fax: +61 3 9834 7405

MALAYSIACommercial Division – ASIA6 Mile Jalan Ipoh, 68100 Batu Caves,Selayang, Selangor, Darul Ehsan,Malaysia Ph: +60 3 6251 2195Fax: +60 3 6255 2173

BananaScreens

All product design, dimensional and general information contained in this catalogue is

subject to change without notice. Linatex strongly recommend consultation with Linatex

staff before purchase to ensure the correct equipment is chosen. All process equipment

should be used for its intended designed purpose only. Failure to follow procedures for

selection, installation, care, maintenance, storage and handling may result in premature

failure and may result in damage to property and/or serious injury. Linatex standard terms

and conditions of sale will apply.

Hea

dlin

e G

raph

ics A

ustr

alia

Pty

. Ltd

. +61

3 9

419

9775

www.linatex.com There is no equivalent

CHINA Room 3101 New Town Centre No 83 Loushanguan RoadShanghai 200336People’s Republic of China Ph: +1 480 733 2391Fax: +1 480 733 2918

CHILESanta Catalina de Chena 850Parque Industrial Estrella Del SurSan Bernardo, Santiago, ChilePhone: +56 2 447 9400Fax: +56 2 447 9368

UNITED KINGDOMWilkinson House, Blackbushe Park, Galway Road, YateleyHampshire GU46 6GE, EnglandPhone: +44 1252 743000 Fax: +44 1252 743046

SOUTH AFRICA5 Fuchs Street, Alrode 1451,Gauteng, South AfricaPhone: +27 11 617 4800 Fax: +27 11 908 1644 Head OfficeFax: +27 11 908 2130 Process Equip. Fax: +27 11 908 5518 Rubber/Pumps

DANDENONG 23 Quality DriveDandenong, VIC 3175Phone: +61 3 9706 6568Fax: +61 3 9706 6575

TOWNSVILLELot 3, 694 Ingham RoadMt. St. John, QLD 4814Phone: +61 7 4758 6100Fax: +61 7 4758 6111

MT ISA26 Richardson RoadMt Isa, QLD 4825Phone: +61 7 4743 2805Fax: +61 7 4743 7209

DARWIN 2/15 Graffin CrescentWinnellie, NT 0820Phone: +61 8 8984 4931Fax: +61 8 8984 3032

KALGOORLIE216 Dugan Street Kalgoorlie, WA 6430Phone: +61 8 9021 0266Fax: +61 8 9021 0277

PERTH30-36 Wittenberg Drive Canning Vale, WA 6155Phone: +61 8 9256 8300Fax: +61 8 9265 8305

Linatex Asia

There is no equivalent

CANADA372 Noel Spet Iles, Quebec G4R1L7 Phone: +418 968 2822 Fax: +418 962 9221

Linatex South America Linatex EuropeLinatex Africa

Linatex Australia

TENNESSEE - HEAD OFFICE1550 Airport Road,Gallatin, Tennessee 370666 USA Phone: +1 615 230 2100Fax: +1 615 230 2109

Linatex North America