DDS

DYNAMIC DISC SCREENING

The Ecostar patented technology that revolutionizes the waste separation sector. Particularly efficient on materials such as compost, wood, biomass, metals, tires, glass, car fluff, RDF/SRF, construction and demolition debris, ash, and inerts.

Innovative materials separation technology

Unique in its kind, DDS is based on a series of shafts equipped with hexagonal or octagonal discs, with a flat profile, made of Hardox to guarantee maximum resistance. Thanks to this design, the material flows on the screen’s discs and is subjected to a jolting movement that separates the waste. The undersized material drops below the screening surface, passing through the gaps between the discs while the oversized material advances to the end of the screening plane. The result is a clean fraction, ready for recycling processing.

Hardox discs: lower maintenance costs due to wear
Anti-wrapping - anti clogging system
Screening section variation system ± 30%

Anti-wrapping systems

The drive shaft is protected by highly resistant loose sleeves which are independent of the rotation of the shaft itself. This prevents long and stringy parts of the material being screened from getting wrapped around the shaft. This optimizes the separation and significantly reduces downtime.

Operational flexibility

DDS enables real time adjustments to the pre-established screening section (±30%) by varying the shaft speed with the aid of an inverter. The screening sections available range from 10 to 350 mm. This technology enables faster screening (1 m/sec), using less space and reaching a productivity of up to 200 t/h.

Advantages

-70% 
energy consumption

The efficiency of DDS enables the use of smaller electric motors, that is, just 7.5 kW up to 20 t/h, and savings up to 70% on energy consumption compared to traditional screens.

200 T/H
Productivity up to 200 T/H

DDS is able to screen materials faster (1 m/sec), using less space and is able to process up to 200 t/h.

± 30%
variation of the screening section

DDS enables real time adjustments to the pre-established screening section (± 30%) by varying the shaft speed with the aid of an inverter.

Compare the technologies

TECHNOLOGY
Specific to materials
Compatible products
Anti-clogging system
Anti-wrapping system
On-site variable screening section
Separates wet materials
Flat profile discs
Discs material Hardox
Screening sections mm
DDS
Compost - Wood - Biomass - Metals - Tires - Glass - Car fluff - RDF/SRF -  Constructions and Demolitions - Incinerator Ash - Aggregates
Hextra - Hexact - Hexpert
Basic
+-30%
10-350
HDDS
Industrial Waste- Municipal Solid Waste - Organic Waste
Hextra - Hexact - Hexpert
Hyper
+-30%
10-350
SWAT
Multi-material - Pet / Plastics - Paper and Cardboard
Hextra - Hexact - Hexpert
Basic
Handbook (+-50%)
100-200

Contacts

More than 20 years of research and development

Conceived from the commitment of our R&D department, Ecostar products are used worldwide by the most important companies in the industry.
Contact us for further information or to get in touch with our local dealers.

Go to Contacts

News for DDS

Ecostar at IFAT 2022, the largest platform for waste management

THE UTMOST IMPORTANCE OF MATERIALS SCREENING IN THE RECYCLING PROCESS On average, each EU inhabitant generated 1.8 tonnes of waste in 2018, excluding major mineral waste, according to Eurostat. Most probably, in 2020, with the pandemic we managed to generate less waste, but as economic activities picked up in 2021, we are right back where … Continued
28 April 2022

Organic waste treatment to produce biogas and biomethane

CAN WE REACH 35 BILLION CUBIC METERS OF BIOMETHANE BY 2030? No more delays: Europe must be independent of the Russian gas supply, and it must be so before 2030. That is what the REPowerEU, the European Commission’s plan sets out to do, make EU countries independent when it comes to energy and gas, thus … Continued
29 March 2022

Why should we recycle even more aluminum than we do today?

IN 2021, THE ALUMINUM PRICE GONE UP, EXCEEDING $2700/TONNE AND IT’S PREDICTED TO FURTHER GROW The economic post-pandemic recovery has had an impact on the metals market as well, that has seen a rising demand in aluminum from different industry sectors. As you know, the recovery has also led to an energy crisis that has … Continued
23 December 2021

SCREENING OF GREEN AND ORGANIC WASTE WITH HEXPERT

COMPLETE SORTING LINE, ENTIRELY DESIGNED BY ECOSTAR, THE CASE STUDY OF PONIKVE KRK This is the story of Ponikve eko otok Krk utility company in Croatia, which in 2020 decided to implement a complete sorting line – Ecostar’s Hexpert system – to treat the green and organic waste from the island of Krk. Krk is … Continued
3 June 2021