Separat rotor

A double rotor sieve (separate rotor) is a special device for separating small and non-recyclable material from municipal waste. There are several technological actions in the technological process of separation:
• Extraction of small items and non-recyclable material from waste
• Waste drying
• Dusting of waste with a ventilation system

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Description

The waste is separated by rotating the perforated drum. The first half of the drum contains a round perforation, while the second half contains a rectangular perforation. The drum is inclined at a slope of 3° towards the exit so that the material can flow more easily through the sieve. Also, inside the drum there is a spiral that, by rotating the drum, directs the material towards the exit. At the beginning of the sifting drum there are spikes for additional tearing of bags and/or boxes and scattering of municipal waste contents. Under the drum there is a chamber with a screw conveyor installed to receive the sifted fractions. The screw conveyor transports the separated fractions to the outlet at the bottom of the device. During the sieving process, dust particles rise into the air. In order to clean the air, the roto screen is connected to the filter station via ventilation pipes. The rotary sieve is placed on a metal frame, so that a container for receiving the separated fractions or a conveyor that takes the separated fractions to the desired location can be placed under the sieve.

Advantages and benefits

Material separation efficiency: The roto screen uses a perforated drum with different types of perforations to efficiently separate fines and non-recyclable material from municipal waste. The rotation of the drum and the spiral inside it enable precise guidance of the material towards the exit.
Flexibility in the processing of different materials: The presence of two types of perforations on the drum enables the processing of different types of waste, adapting to the specifics of the material passing through the roto screen. This increases the flexibility of the device in diverse operating conditions.
Keeping the air clean: The ventilation system connected to the roto screen and the filter station cleans the air from dust particles that are raised during the screening process. This system makes the working environment safer for workers and contributes to the preservation of air quality.
Additional tearing and scattering of the waste content: The spikes at the beginning of the drum additionally tear the bags and/or boxes, and scatter the waste content. This helps in better separation of the material and facilitates the process of separating the different fractions.
Adaptability in the reception of separated fractions: The setting of the roto screen on the metal frame enables easy adjustment of the device so that a container for receiving the separated fractions or a conveyor that takes the material to the desired location can be placed under the screen. This adaptability makes it easier to manage and manipulate separate materials.

Technical specifications

SEPARAT ROTOR
Perforation of the first half of the drum	mm	∅55
Perforation of the second half of the drum	mm	55×120
Sieve material		HARDOX steel
Sieve diameter	mm	2400
Sieve length	m	6 / 8 / 10 / 12 (depending on the capacity of the plant)
Sieve driving power	kW	5,5
The drive power of the auger dispenser	kW	4

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