Tall green loading elevator beside a green rotary drum washer in the workshop
Screw Conveyor Washer
ITF Rotary Drum Parts Washer
LC - ROTOFLOW rotary drum and screw conveyor washing machine
The ITF Rotary Drum parts washer carries the parts through pre-washing, washing, rinsing and optional passivation on a rotating screw conveyor, stirring them gently while hot detergent is sprayed at a set pressure.
Manufactured byITF
Approx. 50%Lower power consumption
70%Less inlet fresh water
Screw drumRotating conveyor through the stages
OptionalPassivation stage
Overview
Parts stirred and sprayed on a rotating screw
In the ITF Rotary Drum, also called a screw conveyor washing machine, the parts are loaded in measured doses into a hopper. A rotating screw conveyor inside the machine carries them through the washing stages. The rotation gently stirs the parts while hot detergent is sprayed through nozzles at a set pressure.
The stages are combined to suit the parts and the contaminants, such as oils and shavings. For heavily oily parts, a pre-washing stage concentrates the oil in the first tank, where it is separated and removed with an external oil separator. Washing removes the contaminants, rinsing removes the residual detergent, and passivation can be added as an option.
Each active stage has its own spray ramps inside the drum. Drainage areas between the stages limit carry-over of solution into the next tank, and chutes below the drum lead each solution back to its own treatment tank.
With the Depure-Rinse system, the heat of the generated steam warms the tanks. The steam condenses into hot fresh water that refills the rinse and degreasing tanks, while the most contaminated solution goes to a concentration and boiling tank that holds the heating unit.
Applications
Where the rotary drum washer is used
The washing stages are combined to match the parts and the contaminants to be removed.
Top view of the blue washer with perforated drum sections and loading tray
Gear motor and chain drive of the rotating drum inside the blue frame
Perforated drum end with stainless steel spray pipes and blower motor above
Oily parts
Pre-washing concentrates and separates the oil from heavily oily parts.
Removing shavings
Washing parts that carry shavings from earlier machining steps.
Rinsing
Removing residual detergent from the parts after washing.
Passivation
Optional passivation stage after rinsing.
Features
Machine features
- Hopper loading of the parts in measured doses
- Rotating screw conveyor that gently stirs the parts
- Hot detergent sprayed through nozzles at a set pressure
- Separate spray ramps for each active stage inside the drum
- Drainage areas between stages to limit solution carry-over
- External oil separator for heavily oily parts
- Depure-Rinse system with steam heating and condensate refill
Benefits
Depure-Rinse savings
Power consumption reduced by approx. 50%
Inlet fresh water consumption reduced by 70%
Less sludge to dispose of, collected in one small tank
Automatic refilling with fresh condensed water
Easier tank cleaning, with heating only in the concentration tank
Need to wash oily parts with less water and energy?
Share your parts, contaminants and hourly output, and our Machinery team will help you configure the right ITF rotary drum parts washer.
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