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Compact Screen & Grit Removal Package

Model ICE 

This primary treatment machine provides screening and grit removal in a single compact process package plant.

First, the untreated sewage passes through a screw screen that removes the larger floating and suspended materials (screenings). The screened sewage then travels through a sedimentation tank where sand and heavier particles (grit) settle, for removal by a system of screws.

As an option, this system can be configured to remove fats, oils & grease (FOG).

Key features:

  • Washing & compaction of screenings
  • Extraction of sand
  • Many options including FOG removal (on ICEd version)

 

Key Advantages:

  • No odours
  • Small footprint & minimal civil works
  • Low operating costs and maintenance
  • Ease of installation and operation
  • Low organic matter in the solid residue extracted
  • Reduction up to 40% in volume of solids removed

 

STANDARD SPECIFICATIONS

Parameter Units ICE-03 ICE-06 ICE-08 ICE-13 ICE-17 ICE-22 ICE-28 ICE-33 ICE-42
Treatment Capacity* L/s 15 20 30 45 60 80 100 120 150
Dimensions Total length (A) mm 3,780 5,350 6,955 6,955 7,120 8,615 11,900 13,410 16,410
Total height (B) 2,780 2,780 3,055 3,640 4,220 4,220 4,340 5,235 5,235
Inlet height centreline (C) 1,400 1,400 1,400 1,900 1,900 1,900 1,900 2,470 2,470
Outlet height centreline (D) 1,100 1,100 1,100 1,600 1,600 1,600 1,600 2,265 2,265
Discharge chute height (E) 1,325 1,325 1,325 1,700 1,700 1,700 1,700 1,700 1,700
Settling tank height (M) 1,600 1,600 1,600 2,180 2,180 2,180 2,180 2,770 2,770
Setting tank width 971 971 971 996 996 996 1,311 1,311 1,311
Inlet/outlet flange*2 DN 200 200 250 250 300 350 400 450 500
Empty weight kg 1,100 1,250 1,400 1,950 2,200 2,350 2,800 6,800 7,200
Screw screen in tank Screen model* SSB-mK 160 260 390 390 610 610 830 830 830
Loading basket  Ømm 273 356 456 456 616 616 712 712 712
Shaftless screw for transport & compaction 219 219 219 219 323 323 323 323 323
Gear reducer speed rpm 11 11 11 11 8 8 8 8 8
Grit system Horizontal transport shaftless screw  Ømm 180 180 180 280 280 280 280 280 280
Shafted extraction screw 168 168 168 219 219 219 219 273 273
Horizontal screw gear reducer speed  rpm 5 5 5 5 5 5 5 5 5
Extraction screw gear reducer speed 5 5 5 5 5 5 5 5 5
Installed power*4, 5 K1 kW 0.55 0.55 0.55 0.55 0.55 0.55 0.55 0.75 0.75
K2 0.75 0.75 0.75 0.75 0.75 0.75 0.75 0.75 0.75
K3 0.37 0.37 0.37 0.37 0.37 0.37 0.37 0.37 0.55
K4 (ICEd model only) (optional) 0.25 0.37 0.37 0.37 0.37 0.37 0.37 0.37 0.37
Side channel blower (optional)  0.25 0.75 0.75 0.75 0.75 0.75 1.1 1.1 1.1

*1Theoretical, calculated using clean water; reference design basis: influent TSS 500 mg/L with up to 0.5% grit; typical performance: up to 90% removal efficiency for grit particles >200 μm and density > 1,650 kg/m3, *2Flanges are lap joint max 15mm thick with holes P16 according to AS4087, *3Refer to MAK Water product data sheet SSB-mK for more details, *4 Refer to schematic, *5 Based on machine configuration, motor power could be different

STANDARD INCLUSIONS + OPTIONS

Equipment Standard Supply Optional Supply
Screw screen in tank Rounded holes screen element Ø6mm aperture -
Custom aperture (3, 4, 5, 7 or 10mm) -
Integrated screenings compaction -
Screen basket cleaning, bolted nylon brushes -
PE breathing valve on screen tank -
PE pipe for returning liquid from compaction zone -
Squared outlet spout -
Bolted screenings compaction system cover -
Lifting eyebolts -
Nord drives with compact motor gearboxes and cover guards -
Machine carpentry,
inlet & outlet flanges, drive guards and open channel discharge chutes 
SS304L, bolts A2 (SS304) -
SS316L, bolts A4 (SS316) -
Bypass Chamber with 10mm manual bar screen -
Overflow from screen tank with flange*2 -
Odour extraction port from tank with flange *2 -
Enclosed pipe discharge chutes for screenings & grit -
All screws / anti-wear
material (bolted plates
on screws)
High-carbon steel painted / SS304L -
SS304L / SS304L -
SS316L / SS316L -
Washing Compaction zone only, with ½” manual valve -
Compaction zone with ½” manual valve and screening basket with 1” manual valve -
Compaction zone with ½” manual valve and for grit with ½” manual valve -
Compaction zone with ½” manual valve and screening basket with 1” manual valve and for grit with ½” manual valve  -
Air sparging system for grit complete with blower and pipework*1 -
Automatic Longopac bagging systems for screenings and grit with 1x 80m long bag each -
Drive motors premium efficiency IP55  -
IP65 with thermistor overload protection -
Surface treatments*3 -

*1Standard air blower system includes: motor TEFC premium efficiency IP55 with thermistor, 1” fittings with SS hoses, retention valve, pressure valve, pressure switch, suction filter, wiring & full installation, outdoors side installation, no additional protective covering, *2 Lap joint flange with holes PN16 according to AS4087 *3Stainless steel parts: stripping with acid solution, passivation with glass particles, final surfaces cleaning with anti-dust oil. Carbon steel parts: sandblasting SA 2.5 for external anti-rust paint RAL 5015

Instrumentation & Controls Standard Supply Optional Supply
Safety limit switches for screen opening hatches -
Screen tank level sensor  Conductive probe -
Ultrasonic -
Solenoid valve kit(s) for selected washing system(s) 24VDC -
Mechanical over-torque protection for all drives (backlash free-ball model) -
Wiring of all equipment and instrumentation to a junction box -
Control Panel, to AS/NZS3000 for external installation (supplied loose) -