Knelson Gravity Solutions

Intensive Dewater Screen

Knelson-Sizetec now offer a complete range of vibrating screens that are tailored to meet individual client needs and carefully manufactured to exacting standards.

All Knelson-Sizetec screens are designed for efficient mineral processing while keeping in mind the importance of easy maintenance capabilities.

Some of the common features include:

High capacities with high frequency and high "G" force vibration
Low profile screen box design and construction
Trunnion suspension with heavy duty coil springs
Directly driven by reliable vibrator motors with grease lubrication
Interchangeable screen decks among polyurethane screen, profile or wedge wire screen and pretension framed woven wire screen panels
Easy change of deck angle to fit retention time needs

View the Knelson-Sizetec Screen that best suites your application needs or contact us directly.

MODEL VDS 612-6

FEATURES

· High frequency linear stroke vibrating motion
· High “G” force vibration
· Down to Up-Hill deck arrangement as V-shape transition
· Low profile screen box design and construction
· Polyurethane modular screens
· Reliable vibrator motors
· Trunnion suspension with heavy duty coil springs
· 2’x7’ 3’x8’ 3’x10’ 4’x10’ 5’x12’ 6’x12’ 7’x14’ and 8’x14’ standard screen sizes with either 1200 rpm or 1800 rpm motors

ADVANTAGES

· High capacity with high frequency and high “G” vibration
· Efficient dewatering with counter flow, materials move up to front and water held back
· Rugged screen deck construction for extra heavy load
· Longer life of polyurethane modular screens
· Trouble free vibrating mechanism
· Easy change of deck angle for retention time control
· Optional vacuum chamber at discharge end compartment for maximum dewatering

APPLICATION

· Water droplets free dewatering of fine materials ranging from 4 mesh (5 mm) to 600 mesh (20 micron)
· Best dewatering operation for concrete sand, silica sand, sinter ore, fine coal refuse, boiler bottom ash, etc.
· Dewatering of washed soil in remediation operation
· Fine sand recovery with cyclones from sand plant effluent

Ultra Sifter Screen (US Patent Pending)

MODEL USS 28D

FEATURES

· Low frequency horizontal plane sifting motion
· Very simple sifting mechanism with vibrator motor(s)
· Separate construction of screen box from sifting mechanism
· Single Deck, Double Deck, Triple Deck Screen Box interchangeable
· Pretension framed screen panel
· Cotter wedge screen panel fastening system
· Reliable vibrator motor
· Rubber springs and leaf springs suspension
· Standard screen size of 2’x8’ 3’x8’ 3’x12’ 4’x12’ 4’x16’ 5’x16’ 5’x20’ and 6’x 20’ available

ADVANTAGES

· Efficient separation with long stroke sifting motion
· Any material can be used for screen box construction
· Ball Tray or Air Piston Impactor applicable to prevent screen blinding
· Very easy screen panel change
· 5 degree, 10 degree and 15 degree screen deck inclinations available as standard models
· Totally enclosed top dust covers

APPLICATION

· Efficient dry sizing ranging from 4 mesh (5 mm) to 200 mesh (75 micron)
· Scalping
· Dedusting
· Polishing
· Removal of trash and foreign materials

Super Sieve Screen

MODEL SVS 6560RS

FEATURES

· High frequency continuous straight up and down motion
· Dual outside feeds single center discharge configuration
· Two 60” radius x 60 degree sieve bend screens face to face arrangement
· Polyurethane or profile wire sieve bend screens
· Complete unit with feed boxes and pedestal mount stand
· Rigid screen box frame construction with rubber lining
· Self-locking screen fastening system
· Reliable vibrator motors
· Trunnion suspension with heavy duty coil springs
· Water spray bars optional
· Standard models: 4’ wide (8’ feeding width), 5’ wide (10’ feeding width) and 6’ wide (12’ feeding width)

ADVANTAGES

· Very efficient separation with high frequency vibration
· Consistent product moisture with continuous vibration
· Adjustable feeding trajectory feed boxes
· Able to rotate sieve bend screen for longer life services
· Trouble free vibrating mechanism
· Easy change or rotation of sieve bend screen

APPLICATION

· Wet fine particle size separation ranging from 8 mesh to 200 mesh (3 mm to 75 micron)
· Desliming of fine particle materials
· Scalping of coarse materials

Parallel Feed Screen (US Patent Pending)

MODEL PFS 44500

FEATURES

· High frequency linear stroke vibrating motion
· Five (5) parallel decks stacked at horizontal level
· Feed tube with perforated plate spreader tray arranged on each screen deck
· Two (2) inlet pipes connected to feed tube on each deck through outside of screen box
· Sealed underflow chamber directly connected to inside end vertical discharge tubes
· All oversize products from each deck dropped into the bottom collecting hopper
· Ten (10) ways distributor box arranged directly above screen box, the discharge pipe connected to the feed inlet pipe outside of screen box with rubber hose
· Screen panels clamped down through side bars by wedges and toggles at discharge end
· One spray bar arranged on each deck

ADVANTAGES

· Very high capacity with five deck parallel feeds
· Efficient sizing with high frequency vibration
· Even spread and smooth transition of feed slurry to screen surface through perforated plate feed tray for longer life of screen panel
· Rugged screen box construction with trouble-free vibrating mechanism
· Easy deck angle adjustment by inserting spacer underneath spring
· Very easy and quick screen panel change on any deck

APPLICATION

· Wet fine particle size separation ranging from 8 mesh (3 mm) to 400 mesh (38 micron)
· Gangue separation in grinding mill circuit of heavy minerals such as iron ore, tin, etc.
· Residue removal from kaolin slurry

Cascade Sieve Screen

MODEL CSS 69-60RS
(6' X 9')
GRAVITY CONCENTRATOR
FEED SCREEN WITH
POLYURETHANE SIEVE
BEND SCREENS

FEATURES

· High frequency linear stroke vibrating motion
· High “G” force vibration
· Combined sieve bend screen and inclined flat screen deck
· Polyurethane modular or profile wire screen
· Reliable vibrator motors
· Trunnion suspension with heavy duty coil springs
· Water spray bars with beaver tail nozzles optional
· Many standard screen sizes available: Model CSS 29-60RS (2’x 9’);CSS 39-60RS (3’ x 9’); CSS 49-60RS (4’ x 9’); CSS 59-60RS (5’ x 9’);CSS 69-60RS (6’ x 9’); CSS 89-60RS (8’ x 9’)

ADVANTAGES

· High capacity separation with curved screen deck configuration
· Complete unit including feed box, bottom pan, chute and stand
· Easy change of sieve bend and flat screen
· Trouble free vibrating mechanism
· Easy change of deck angle for proper retention time

APPLICATIONS

· Wet fine particle size separation ranging from1/2” (12 mm) to 100 mesh (150 micron)
· Mill discharge screen in fine grinding circuit
· Wet sizing prior to gravity concentrator
· De-sliming (removal of fine materials)
· Scalping (removal of coarse materials)

Dewatering Fines Screen

MODEL DFS 48

FEATURES

· High frequency linear stroke vibrating motion
· High “G” force vibration
· Horizontal or up-hill installation
· Low profile screen box design and construction
· Interchangeable screen media including polyurethane, profile wire and
· pretension framed woven wire screen panels
· Reliable vibrator motors
· Trunnion suspension with heavy duty coil springs
· 2’x4’ 2’x6’ 3’x6’ 3’x8’ 4’x8’ 4’x10’ 5’x10’ and 5’x12’ standard screen sizes

ADVANTAGES

· Very efficient separation capabilities with high frequency vibration
· Maximum dewatering operation with high “G” vibrations
· Complete unit including feed box, bottom pan, chute and stand
· Leak free screen panel fitting system
· Trouble free vibrating mechanism
· Easy change of deck angle for retention time control

APPLICATION

· Wet fine particle size separation ranging from 4 mesh (5 mm) to 400 mesh (38 micron)
· Loaded carbon, carbon sizing and dewatering screen in CIL or CIP operation
· Trash and Safety Screen
· Resin Screen

High Capacity Scalping Deck Screen

MODEL HDS 612-4
TRASH SCREEN WITH
POLYURETHANE SCREEN
PANELS FOR CYCLONES OVERFLOW IN MILL
GRINDING CIRCUIT

FEATURES

· High frequency linear stroke vibrating motion
· High “G” force vibration
· Horizontal or Up-Hill installation
· Low profile screen box design and construction
· Interchangeable screen decks among polyurethane screen, profile wire screen and framed woven wire screen panels
· Directly driven by reliable vibrator motors with grease lubrication
· Trunnion suspension with heavy duty coil springs
· Hinged Feed Spreader soft landing tray under feed box
· Optional spray bars with beaver tail nozzles
· 4’x12’ 5’x12’ 6’x12’ 7’x14’ and 8’x16’ standard screen sizes

ADVANTAGES

· Efficient separation with high frequency and high “G” vibration
· Extra rugged screen deck construction for extra heavy load operation
· Complete unit including feed box, bottom hopper, oversize product chute and pedestal mount stand
· Trouble free vibrating mechanism
· Very quick screen change for leak free fitting
· Easy change of deck angle for retention time control

APPLICATION

· Wet sizing operation ranging from 4 inch (100 mm) to 50 mesh (0.3 mm)
· Scalping of coarse materials
· Trash screen for cyclone overflow in mill grinding circuit
· Very high capacity carbon safety screen in CIL & CIP

High Performer Screen

MODEL HPS 48SCD

FEATURES

· Stainless steel construction, 4’ x 8’ screen box vibrates with very high 6G force, 3.3 mm linear stroke with 1800 cpm

· Two aluminum frame 2’ x 8’ pretensioned screen panels arranged side by side to avoid transition of material over seams of screen panels from feed to discharge end

· Very simple leak proof screen panel fastening method

· *Patent Pending Air Explosion Screen Cleaning System, where compressed air is periodically injected into screen under-flow chamber like an “explosion”, is very useful in preventing screen blinding problems without use of water sprays

· Applications in areas such as very fine wet sizing of kaolin, precipitated and ground calcium carbonate, lime milk, clay slip, ceramic, etc.

· Wet sizing prior to gravity concentrator

· Desliming (removal of fine materials)

· Scalping (removal of coarse materials)

Step Deck Screen

MODEL SDS 58-6
(Screen Area 5'x8')

FEATURES

· High frequency linear stroke vibrating motion
· High “G” force vibration
· Horizontal or Up-Hill deck installation with multiple steps down
· Low profile design and construction
· Polyurethane knock-in modular screen panels
· Reliable vibrator motors
· Trunnion suspension with heavy duty coil springs

ADVANTAGES

· Efficient sizing with tumbling at each step down
· Effective washing with repeat of repulp, rinse & drain
· Maximum dewatering with high “G” vibration and upslope deck
· Long screen life with polyurethane modular screens
· Leak free screen surface fitting system
· Trouble free vibrating mechanism
· Easy change of deck angle for retention time control

APPLICATION

· Drain, rinse & dewatering for soil remediation
· Loaded carbon washing for CIP/CIL
· Efficient wet sizing before gravity concentrator

For additional information please contact us or request a quote/info through our online request form.