Automatic asphalt extractor
- Centrifuge, solvent recovery facility and rinse and drying facility are integrated in a closed, nonpressurized system on a movable frame
- Rinsing device with washing phase for selecting the aggregates, especially for mastic asphalt and polymer modified bitumen
- Heated rinsing facility made of aluminium with high thermal capacity, minimized volume of rinsing chamber, complete solvent saturation of sample, adjustable temperature
- Additional solvent pre-heating facility with boiler and safety fittings
- Drying of the mineral substances under vacuum after the rinsing
- Centrifuge with reduced overall dimension and optimized high revolution of spindle
- Hand-operated fitting and removing of the centrifuge cup, including extraction device for easy removing of the cup
- New designed recovery facility of the solvent, made of stainless steel with closed circulation
- Automatic program control with adjustable rinsing and drying time
- Microprocessor controlled detection of errors and display of the operation process
- Possibility of the distillation of the solvent-binder mixture to approx. 500 ml after each extraction
- Pick-off attachment for the preliminary sample via ball cock as well as the possibility to sample the entire bitumen quantity
- Using of various non-flammable solvents possible
- Not usable for Caprylic acid methyl ester
- Complete new constructed rinsing device, sieve cylinder with cooking phase
- Removable stirring unit for cleaning of retail article, e.g. ring or test frame of ring and ball apparatus
- Choosable input of warm, cold or predissolved asphalt
- Possibility of fixing a holder with tube for compensation of pressure below the discharge cock for taking away of bitumen samples
- Two connections each (manual/automatic) for filling and removing of solvent
- External connection to the integrated vacuum pump for the suction of remnant bitumen from the recovery unit
- The frame is designed as a sump tray so no additional alteration is neccessary in the laboratory
- Cup filler capacity: approx. 200-300 g
- Sample quantity max. 3.5 kg
- Extraction time with drying: approx. 50 min, solvent consumption per extraction < 0.05 l
- Dimensions: 1200 x 700 x 1600 mm
- 3 Ph+N+PE 230/400 V, 50 Hz 7.5 kW, fused 3x16 A
Supplied complete with 3 centrifuge cups 120 mm, sieve cylinder, sieve brush, round bottom flask and appr. 250 sheets of filter paper for centrifuge cup