Laboratory foamed bitumen plant  WLB 10 S

WLB 10 S Laboratory foamed bitumen plant

0 - 10 bar

0 - 5 %

140 - 200°C

Preliminary testing to determine the mix quality

  • The laboratory foamed bitumen plant performs a series of precise measurements to determine the optimum foamed bitumen properties.
  • The different parameters can be varied quite easily during the process.
  • The high-quality machine is perfectly tailored for use in cold recycling and complies with the high quality standards set by testing laboratories.
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Highlights
Producing foamed bitumen of high quality
Simple, intuitive operating concept
Mobile design

Preliminary testing with the laboratory equipment

Preliminary testing with the mobile WLB 10 S laboratory plant enables the foamed bitumen quality to be precisely defined in the laboratory prior to the start of construction. Exceptional ease of operation enables parameters such as water amount, pressure and temperature to be varied quickly and different types of foamed bitumen to be produced within a short time.

Direct injection of the foamed bitumen into the mixing chamber of the WLM 30 laboratory mixer enables mixes to be processed under real-life conditions.

The WLV 1 is used for the manufacture of test specimens from bitumen-stabilized material. It is equipped with a powerful vibrating hammer and heavy-duty tamping foot.

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Cold recycling with foamed bitumen

Cold recycling with foamed bitumen has become an established technology worldwide and is now increasingly moving into the focus of road authorities and construction companies for use in the rehabilitation and new construction of road pavements. Cold recycling with foamed bitumen produces flexible and highly durable base layers. Being a part of the pavement structure, these are the perfect foundation for the final asphalt overlay to be built at reduced layer thickness. Foamed bitumen is produced from approx. 175 °C hot road-grade bitumen using state-of-theart technology. Microprocessor-controlled injection systems installed in the WIRTGEN recyclers produce the foamed bitumen and inject it into the mineral aggregate in precisely metered quantities.

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Mixing procedures

Cold recycling can be achieved either in-plant by hauling material recovered from an existing road to a central depot where it is fed through a mixing unit, or in-place using a recycling machine.

When mixing in-place / in-situ, a cold recycler granulates the existing pavement while mixing in binders and water homogeneously at the same time.

When mixing in-plant, reclaimed asphalt pavement and crushed stone are transported to a mixing plant located in the vicinity of the construction site.

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Control technology

WIRTGEN machines are fitted with a machine control system of the highest quality, in which the large proportion of software developed in-house plays the decisive role. WIRTGEN puts a special focus on continuous improvement, which has the added effect of significantly increasing the operational reliability of the machines. In addition, many years of experience in software and hardware development allow for higher and more flexible machine functionality in terms of applications and meeting specific customer requirements.

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Technical specifications

Air pressure
Water content of bitumen
Bitumen temperature
Bitumen pump
Dimensions (L x W x H)
Own weight
Air pressure
0 - 10 bar
Water content of bitumen
0 - 5 %
Bitumen temperature
140 - 200°C
Bitumen pump
Electrically heated gear pump
Dimensions (L x W x H)
1450 x 685 x 1345 mm
Own weight
270 kg

All details, illustrations and texts are non-binding and may include optional additional fittings. Subject to technical modifications. Performance data dependant upon operational conditions.