i-DW

The range of Alfa Laval i-DW decanter centrifuges is ideal for continuous sludge dewatering and thickening from municipal and industrial wastewater treatment as well as from potable water treatment, when the main focus is reliability, cost-efficiency and simple operation with medium capacity and dry solids.

IDW decanter for sludge dewatering

Fundamental performance in a cost-efficient way

  • Small footprint
  • Low power consumption
  • Low cost of ownership
  • Low noise emission
Like other Alfa Laval decanters, i-DW makes use of certified technology to offer high quality, robustness and easy serviceability. The innovative design, incorporating patented solutions, operate in fully enclosed process sections.

Ubrzanje održivih rešenja

Zamislite održiviji svet. Svet u kome je potrebno manje da bi se proizvelo još više. Svet u kome efikasno zadovoljavamo naše rastuće energetske potrebe i istovremeno smanjujemo emisiju CO2. Zamislite svet u kome možemo da iskoristimo snagu prirodnih resursa dok ih istovremeno čuvamo. U kompaniji Alfa Laval ne samo da zamišljamo ovaj svet. Mi ga i gradimo zajedno sa našim kupcima i našim partnerima.

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How it works - working principle of this decanter centrifuge for sludge dewatering and thickening

Separation takes place in a horizontal cylindrical bowl equipped with a screw conveyor. The feed enters the bowl through a stationary inlet tube and is accelerated smoothly by an inlet distributor. The centrifugal force that results from the rotation then causes sedimentation of the solids on the wall of the bowl.

The conveyor rotates in the same direction as the bowl, but slightly slower, thus moving the solids towards the conical end of the bowl. A special Liquid Lock conveyor design (patent pending) accelerates light particles before discharge for optimum separation. It also facilitates the small footprint.

Separation takes place throughout the entire length of the cylindrical part of the bowl. Relatively low G-force is needed for the i-DW decanter to deliver good performance in terms of capacity and cake dryness. This contributes to low power consumption.

The clarified liquid leaves the bowl by flowing out of the casing via special patented energy saving Power Tubes that enable lower speed of discharged effluent. The cake leaves the bowl through the solids discharge openings into the casing.

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Kako vam možemo pomoći?

Uz vodeću tehnologiju otpadnih voda u industriji i stručnost zasnovanu na iskustvu iz hiljada instalacija, možemo pomoći u analizi vaše jedinstvene situacije i odabiru optimalnog modela opreme, konfiguracije i usluga za vaše potrebe i budžet.

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Rešenja za cirkularnu ekonomiju

Sve više postrojenja za prečišćavanje otpadnih voda otkriva prednosti kružnog, holističkog pristupa prečišćavanju otpadnih voda. Uštede na troškovima, smanjeni uticaj na životnu sredinu i novi tokovi prihoda od oporavljenih resursa su samo neki. Svako postrojenje za prečišćavanje otpadnih voda je jedinstveno i ima svoj skup izazova i mogućnosti. Sa našom stručnošću u preradi i našim širokim spektrom proizvoda, možemo podržati vaš prelazak na kružni tok resursa. Bez obzira da li ste izvođač radova, projektant ili operater postrojenja, možemo vam pomoći da pronađete optimalno rešenje za vaš specifični projekat.

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