PRESCOTT 1000 Turn-Key Thin Film Continuous Distillation System
Continuous distillation, a form of distillation, is an ongoing separation in which a mixture is continuously (without interruption) fed into the process and separated fractions are removed continuously as output streams. Distillation is the separation or partial separation of a liquid feed mixture into components or fractions by selective boiling (or evaporation) and condensation. The process produces at least two output fractions. These fractions include at least one volatile distillate fraction, which has boiled and been separately captured as a vapor condensed to a liquid, and practically always a bottoms (or residuum) fraction, which is the least volatile residue that has not been separately captured as a condensed vapor.
PRESCOTT 1000 OVERVIEW
PRESCOTT distillation systemss combine innovation with best-in-class performance, featuring improved borisilicate glass and AISI 316 Ti steel construction. Designed for compounds of high viscosity and molecular weight, this semi-automated system is a complete turn-key solution for continuous distillate production. Optimized for operation at extreme vacuum, the system can reduce the boiling point of thermally sensitive products without decomposition.
Unit also allows for easy cleaning and maintenance due to its signature patent pending hybrid evaporator and easily removable PTFE-coated roller/wiper basket.
Seamlessly integrated design, constructed of both stainless steel and borosilicate glass to provide a semi-automated wiped film distillation solution for continuous material separation. Wiped film distillation is utilized to separate thermally sensitive products under vacuum and offers higher throughputs than traditional bench top short path systems.
The evaporation surface combines the benefits of 316 Ti stainless steel with vertical concentric glass cylinders. These materials form the double mantled molecular still and are heated with circulating thermal fluid. The incoming crude product is spread to a thin film on the inner surface of the evaporator by means of rotating PTFE roller elements. The condenser is vertically arranged in the center of the glass evaporator, also tempered by liquid flow, to reduce the distance vapors must travel and prevent any pressure losses from a large transfer space.
The system includes a dry scroll vacuum pump with additional high-capacity diffusion, vacuum control and 2 vacuum sensors, 3 high capacity thermostats to temper feed-vessel, inlet line, evaporator and the condenser, as well as outlet lines. A deep immersion cooler and enlarged cold trap provide enhanced vacuum performance throughout operation. The units are constructed with only the highest quality components available and fully integrated electrical control cabinets.
Maintenance time on the system is minimized from a virtually tool-less construction and quick-release fasteners. Moreover, transfer loss is essentially eliminated with The vertical platform and proprietary hybrid evaporator design. Prescott is focused on the ease of operation and minimizing of material losses while simultaneously attaining the highest available throughputs and potencies.
The Prescott 1000 is offered as complete turn-key distillation solution specifically for botanical extracts. We combine years of operational expertise with decades of German manufacturing precision to deliver the highest quality distillation systems with the shortest lead times in the industry.
Entire system built and tested in Germany.
Description
TECHNICAL DATA
Model P1000 Throughput 2L to 6L per hThe (base on processes and material fed) Final Pressure Vacuum sensor to 10-5 torr (theoretical 10-8 torr) Evaporator Surface Approximately 1000 cm2, short path Evaporator borosilicate glass and AISI 316 Ti stainless steel Feed Vessel 5000 ml, graduated, refillable during operation Product Receivers 5000 ml vessels provided, interchangeable during operation Mains Supply 3 phase x 230V +/-5V; 32A 60Hz (50Hz if needed) Dimensions (WxHxD) 1750 x 2280 x 820 mm BASE SYSTEM COMPONENTS
Mobile Mounting Frame Includes necessary holders and fastenings to accmmodate all - components, mounted on 4 wheels
Graduated Feed Vessel Glass & AISI 316L, 5000 ml; Heated by circulation thermostat liquid flow, - with complete heated inlet line, refillable during vacuum operation for
- continuous working mode.
Thin Film Short-Path Evaporator Glass & AISI 316L, ~1000 cm2; double mantle for thermal oil; - heated with fully tempered inlet and outlet lines
High Capacity Cooling Condenser Glass (borosilicate), 3.3 Protective Shield Polycarbonate barrier to protect vital glass components Wiper Driver Motor Adjustable speed drive with torque indicator; includes driving shaft with - flexible coupling and vacuum-tight lead through
Wiper Basket Stainless steel AISI 316 Ti with PTFE rollers Sensor for High Vacuum Application Includes integrated LCD-display; allows for application down to - 10-5 torr (operating vacuum highly simple)
Sensor for Precise Vacuum Control Allows for tight control of vacuum levels to provide consistency - between baskets
Feed Dosing Gear Pump Complete tempered high vacuum tight pump; Allows for transfer - of sample from atmospheric conditions into vacuum pressure
Distillate Discharge Gear Pump Complete tempered, high vacuum tight pump; Allows for continuous - removal without limitation of receiver size
Residue Discharge Pump Complete tempered, high vacuum tight pump; Allows for continuous - removal without limitation of receiver size
Set of Sealings/Gaskets/Lines Viton components Optimized Vacuum System Includes diffusion pump and 15m3/h scroll pump, as well as big - vacuum cold trap with 2 additional condensate receivers
Thermostat for Circulation - Cooling/Heating
Allows for tempering of condenser cooling finger inside the - evaporator with 600W cooling capacity, 2kw heating power, and
- temperature range of -20 to 100°C.
Thermostat for Short-Path - Evaporator Operation
Includes high performance circulation pump, isolated tubes, PID - control, and color display; Allows for use with 2kW heating capacity
- and max operating temperature of 200°C
Thermostat for Heating of Feed - Vessel and Inlet Lines
Allows for circulating heating, 2kW heating capacity, and operating - range of 20 to 150°C
Electrical Control Cabinet Includes full integration operating elements, vacuum controller, - simple frequency drives for dosing pumps and power distribution
- on all connected equipment
ADDITIONAL COMPONENTS
Conversion Kit Different power supply for all local power supplies between 190V – 600V - at sites other than 230V (3 phase)
Protective Sheathing Front doors and side panels made of transparent polycarbonate material Immersion Cooler Automatic cooling of the vacuum cold trap, closed process system, - temperature range down to -90°C
- SYSTEM HIGHLIGHTS
- PATENT PENDING HYBRID EVAPORATOR
- Combines stability of stainless steel and full visibility of process with borosilicate glass
- Low maintenance & repair costs
- Lowest tolerances in the market (no welding, forming)
- Minimized clean-up & hold up from extreme compact design
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