FULLY AUTOMATED CO2 SUPERCRITICAL FLUID MACHINERY
There are many definitions of the term “automation.” Automation is a discipline, a function, or a set of technologies … They are all correct definitions, but they always explain too much or too little.
Start from here. The term automation was born to identify everything necessary to make a machine (or process) work automatically, that is, without human intervention. Industrial automation, in particular, uses mechanical, electronic and computer technologies to control industrial production processes, governing flows of energy, materials and information.
A simple “automatic control” can control pressure, temperature or flow rate.
Automation controls the operation of the machine throughout the process.
Advanced sensor monitoring
CO2 pump flow, extractors pressure and temperature, separator pressure and temperature charts.
Here are the reported extraction data (first hour only) from the embedded data logger of the triple 350 liters extraction system during a real extraction. Data logger output is then elaborated by an automated Excel sheet and charts produced. More than 30 sensors are continuously monitoring the process. Traceability of all critical points is therefore guaranteed. All sensors can be calibrated. Sensors accuracy: < 0.5%
This is the CO2 pump flow rate. The pump working at 1500 kg/hr.
This is the 350-liter extractor pressure. Target pressure: 280 bar. The system takes only 12 minutes to go to the set point.
This is the 350 liter extractor temperature. Target temperature: 50° C. System was warmed up before starting the process.
This is the 350-liter separator pressure. Target pressure: 60 bar. Stable to 45 bar until extractor reached the set-point.
This is the 350-liter separator temperature. Target temperature: 50° C. System was warmed up before starting the process.
This is the 350-liter sub-cooler temperature. Target temperature: 0° C. Controlling CO2 pump suction temperature is essential to guarantee a stable extraction process, avoid cavitation, and excellent control of the flow rate during 24/7 operation.
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