3-lane washing system
3-lane washing system
Industrial washing system Highline type DLWA 3000-3T/3+ ETI
Three-tank washer for cleaning Euronorm containers with label removal
- Industrial washing system (crate washer) - capacity 3000 Euronorm containers type E1 + E2/h (three lanes)
- In the front lane, E3 containers and baskets (typical output 600-800 units/h, depending on basket type) can also be cleaned
- Machine housing completely double-walled, sound and heat insulated, manufactured in one piece and completely welded, low energy consumption
- Pre-washing system incl. label removal equipped with:
- Container turner per cleaning lane (three lanes) with drive/separation and dirt ejector
- Pre-wash zone 1 without heating with 2800 litre drum filter tank: length 2700 mm, pump output 18.5 kW with a circulation of 2500 ltr/m at 3 bar
- Pre-wash zone 2 incl. 40 kW heating with 2400 litre 2-fold fine drum filter tank: length 2700 mm, pump capacity 18.5 kW with a circulation of 2500 ltr/m at 3 bar, temperature 45-48°C
- Label removal at the ends equipped with 2 multistage centrifugal pumps with 22 kW power each and pressure filter in front of each high-pressure pump with replacement filter cartridge
- Outlet conveyor: length 2000 mm with drive separation and crate rotation in longitudinal direction
- Main washing system incl. label removal equipped with:
- Main washing area with 2500 litre 2-fold fine drum filter tank: length 5400 mm, pump output 18.5 kW with a circulation of 2500 ltr/m at 3 bar
- Label removal on the long sides equipped with 2 multistage centrifugal pumps with 22 kW power each and pressure filter in front of each high-pressure pump with replacement filter cartridge
- Rinse zone: fresh water and "
- Blow-off zone with 10 ELEKTROR high-pressure fans with 4kW output each
- Nozzle arms with stainless steel nozzles can be removed and cleaned without tools (forced positioning of nozzle arms)
- Inlet lane, 610 mm wide per 3-fold tunnel: Length 3000 mm, containers are fed crosswise with opening upwards
- Heating either directly via steam or via hot water heat exchanger
- Wash temperature 20-55° Celsius over a wash zone length of 5400 mm in the main wash zone/label removal/rinsing area
- Transverse or longitudinal throughput by means of Scanbelt bone chain or flat belt
- SIEMENS S7-1200 with SIEMENS screen in the main control cabinet
- Preparation of rinsing agent and additive supply, mechanical and control technology
- 4 pcs. DN 250 exhaust air connections (on-site discharge, approx. 1500m³/h are discharged per connection)
- Ladders/platforms for inspecting the blow-off motors and the pre-wash on the machine roof
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We manufacture individually according to customer requirements, wash items and on-site conditions.
Material
Stainless steel 1.4301
Description
The Highline DLWA 3000-3T/3+ ETI is a three-lane DREITANK washer for continuous cleaning of E1/E2 containers, including label removal. The system is designed for a nominal output of 3,000 crates per hour and can also clean E3 containers and baskets in the front lane (typical output 600-800 units/h, depending on the basket type).
The machine housing is completely double-walled, soundproofed and thermally insulated, manufactured in one piece and fully welded - designed for stable, energy-efficient continuous operation in an industrial environment.
Process structure and washing technology
Pre-wash zone 1
In the unheated pre-wash, a drum filter tank (2,800 litres) operates over a zone length of 2,700 mm. Circulation is provided by an 18.5 kW pump with 2,500 l/min at 3 bar.
Pre-wash zone 2/label removal
In the second pre-wash zone, a 2-fold fine drum filter operates in front of the 40 kW heated tank (2,400 l) over a zone length of 2,700 mm. Circulation takes place via an 18.5 kW pump with 2,500 l/min at 3 bar. The washing temperature is 45-48°C.
Two multi-stage centrifugal pumps, each with 22 kW, are integrated into the pre-wash system to remove the labels from the ends of the containers. Pressure filters, which are installed upstream of a high-pressure pump, primarily serve to protect the pump and downstream system components from mechanical damage caused by dirt particles.
Main washing area and label removal
The main washing area uses a 2,400 litre tank with a 2-fold fine drum filter over a washing length of 5,400 mm. Here too, an 18.5 kW pump provides 2,500 l/min at 3 bar.
Two multistage centrifugal pumps, each with 22 kW, are integrated in the main wash area to remove labels from the long sides of the containers . The process is designed for a sufficient exposure time to dissolve the glue and/or label. Plastic deep-freeze labels cannot be removed due to their design. The guaranteed removal rate on the transverse and longitudinal sides is ≥ 95% in total (measurement without pre-sorting; e.g. combinations such as 90/100% are possible as long as the total reaches ≥ 95%).
Container handling, turning and discharge
A triple container turner with drive/separation and dirt ejector safely turns the urn standard containers. At the outfeed, a drive separation with crate rotation in the longitudinal direction ensures a defined transfer.
Infeed, transport and zones
- Infeed lane:3-fold tunnel each, 610 mm wide, 3,000 mm long; transverse infeed, opening upwards
- Outfeed lane:2,000 mm long
- Throughfeed:transverse or longitudinal throughfeed via Scanbelt bone chain or flat belt
Rinsing and drying
- Washing temperature:20-55 °C (over zone length 5,400 mm)
- Water consumption: approx. 0.5 litres per container
- Rinse zone: Fresh water + "NADES" with flow temperature ≥ 60 °C
- Blow-off zone:10 ELEKTROR high-pressure fans, 4 kW each
- Air knife: can be dismantled and cleaned via flange with quick-release fastener
Operation, control and design
The system is equipped with a SIEMENS S7-1200 control system and SIEMENS operating screen in the main control cabinet. The mechanical components and the control technology preparation are provided for the rinsing agent and additive supply.
Switch cabinets: RITTAL (coated steel), RITTAL HD stainless steel on the machine; RITTAL HD switch cabinets with Schmersal buttons/displays are provided in the work area.
The control cabinets are designed so that they can easily be placed in a suspended ceiling.
Heating, exhaust air, service access
- Heating: either direct steam or hot water heat exchanger
- Exhaust air:4× DN 250 (on-site discharge), approx. 1,500 m³/h per connection piece
- Inspection:Ladders/platforms for blow-off motors and pre-washing on the machine roof
- Cleaning pressurised filter cartridges: Stainless steel stand on sturdy castors is supplied
- Condition monitoring: Labelling systems require regular inspection and consistent cleaning of filter technology and machine interior
Technical Data
| Power supply | 3x 400 V/ N/ PE; 50 Hz |
|---|---|
| Water connection | 2 pieces 1 1/2" heating water for flow + return, flow temperature ≥ 80 °C |
| Weight | 19-20 tons |
| Water consumption | ~0,5 l/ euronorm container |
| Pump capacity | 2x 18.5 kW - 2500 l/min at 3 bar // Label removal: 4x 22 kW (pre-wash 2 + main wash zone) |
| Fan engine power | 10 ELEKTROR high-pressure fans, 4 kW each |
| Water supply | 3 x 1“ for tank filling 8 m³/ Rinse: 3/4” - 60°C |
| Compressed air supply | 1/4" ≤ 100 l/h - Control of angle seat valves for heating |
| Air connection | Blow-off zone DN 500 (approx. 18 m³/h) |
| Exhaust air | 4 pieces DN 250 (approx. 1500 m³/h per connection) |
| Power rating | 240 kW distributed across 2 main connections |
