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Wiped thin film short path distillation system for botanical applications.
The short path distillation system is designed for the distillation of thermally sensitive products under vacuum. The system is used for organic products of high molecular weight and high viscosity at operating temperatures.
The evaporator surface consists of a vertical double mantled glass cylinder, heated by circulating thermal oil. The product is being spread to a thin film on the inner surface of the evaporator by means of rotating PTFE wiper elements. The wipers are being pressed to the inner wall of the surface where they produce a continuously distributed thin liquid film. The condenser is arranged vertically in the center of the glass evaporator to reduce the distance for the vapors and to prevent any pressure drop by large transfer spaces. It is tempered by liquid flow to condensate the evaporated product. This technology enables the operation at high vacuum to reduce the boiling point of thermally sensitive botanical extracts without decomposition.
The rotating wiper basket is made of stainless steel AISI 316 and equipped with PTFE (Teflon) roll wipers.
PILODIST SP1000M is offered as a turn-key system including complete vacuum accessories and three high capacity thermostats to temper feed-vessel, inlet line, evaporator and the condenser including outlet line. The residue outlet is also tempered to prevent solidification of very heavy, waxy residues.
The SP1000M is a system for batch-wise operation and the budget friendly alternative to our fully continuous flagship SP1000CC.The latter features a sophisticated control cabinet including vacuum control system and tempered gear pumps for automatic sample transfer in- and out of the still without vacuum interruption.
One of the unique features of the SP1000M is that the vessels of feed and residue are interchangeable: The residue vessel can be used as feed vessel, which allows running the second pass without any refilling. This eliminates refilling losses and saves a lot of handling and cleaning work compared to all other systems available.
It is also possible to collect the sticky residue of the second pass in cheap standard glass bottles with GL45-neck for single use to prevent annoying waste removal.
Due to the smart design and liquid heated lines and vessels no heat gun or other ancillary heating equipment is required.
TECHNICAL DATA
| Operating temperature: | up to 200°C (250…350°C upon request) |
| Vacuum down to: | < 1 x 10-5 Torr abs. |
| Feed range: | approx. 1000 – 4000 ml/h, dep. on application (max. 7000 ml/h) |
| Evaporator surface: | ~1000 cm², short path |
| Evaporator MOC: | borosilicate glass & AISI 316 stainless steel |
| Feed vessel: | 3000 ml, graduated, heated, interchangeable |
| Residue receiver: | 3000 ml, graduated, heated, interchangeable or GL-45 bottles |
| Distillate receiver: | 2000 ml, graduated, |
| Speed range of stirrer: | 30…1000 rpm |
| Dimensions (w x h x d): | 1750 x 2280 x 820 mm |
| Electrical Supply: | 6 individual 230V sockets or optional power distribution box for single line supply 230/400V 25A 50/60Hz with CEE 32A plug |
Detailed description of voltages and corresponding currents are available upon request.
SPECIAL ADVANTAGES OF THE SP1000M:
| Unique Hybrid Evaporator |
| High capacity glass condenser |
Optimized vacuum system |
| Vertical design for optimized product flow without hold-up in useless pumping lines |
| Interchangeable, double mantled and tempered vessels for feed and residue to eliminate refilling losses including completely heated precision dosing valve |
| Completely tempered discharge system without any solidification of heavy residues |
| All heating/cooling circuits with maximized diameter and minimized length for optimized heat transfer |
| Tool-less maintenance of wiper basket and drive motor |
| The SP1000M has the possibility to be upgraded later on to the full performance flagship unit SP1000CC |
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