plc controlled experimental supercritical fluid_extraction equipment

HA420-40-200 Supercritical co2 extraction machine

Supercritical fluid extraction system, for CBD oil , Plant essential oil

Industrial supercritical co2 extraction systems

Extraction kettle:Material: 0Cr18Ni9;

Volume: 50L 4 set;

Maximum working pressure:40MPa.

Separation tank:Material: 0Cr18Ni9;

Volume: 20L 10L 2sets;

Maximum working pressure: 30MPa.

CO2 extraction machine


A420-40-200C Supercritical co2 extraction systems it has 4 extraction kettles,The capacity of each kettle is 50L, and the maximum design pressure is 40MPa,the extraction capacity is between 100L and 300L.

Supercritical co2 extraction equipment
HA420-40-200C Supercritical co2 extraction equipment

This is a high-efficiency SFE machine with a wide extraction range and is suitable for the extraction of most plant essential oils on the market.Fully automatic design, using American Emerson automatic valve, Siemens PLC control, ASME pressure certification

Supercritical co2 extraction systems
HA420-40-200C Supercritical co2 extraction systems

Main configuration





Extraction kettle

Equipped with water jacket circulating heating system,adjustable temperature, with solid, liquid cylinder; 

Material: 0Cr18Ni9; 

Specifications:50L/40MPa, 4 set.


Separation tank

Equipped with water jacket circulating heating system, adjustable temperature;

Material: 0Cr18Ni9; 

Specifications:20L/30MPa,1 sets,10L/30MPa,1 set


CO2 high-pressure pump(FM)

Form:double plunger,0~1000L/h, variable frequency adjustable;

Maximum working pressure:40Mpa,pump head with cooling system;

Quantity: 1 set.


Co-solvent carrier pump

Form: double plunger,1/4 - 20L/h, mechanical conditioning;

Maximum working pressure:40Mpa.


Refrigerating system

Cooling capacity:38000Kcal/h, air cooling;

Temperature control range:3 ° C ~+7 ° C, meet the process requirements.


Heat exchange system

Material: 0Cr18Ni9;

Φ14/40MPa、Φ18/40MPa 6sets


Purification filter

Material: 0Cr18Ni9,



CO2 tank


CO2 recovery pump system

CO2 tank

Material: 0Cr18Ni9; 

Specifications:100L/9.8Mpa ,1set

CO2 recovery pump system

It is used for the recovery of residual gas after the completion of the extraction of the extraction kettle and the pressure is 0.6~6MPa. 20m3/H, power 5KW.


Flow meter

Specifications: metal tube float flow meter, 200kg/h;

Digital display, with remote transfer function, showing instantaneous flow and cumulative flow respectively.


Temperature control system

Control range: room temperature ~85℃adjustable (water bath).

Dynamic temperature control accuracy: ±1℃, digital display dual screen.

Temperature measurement: inlet and outlet fluid temperature of extraction kettle, outlet fluid temperature of separation kettle


Safety protection device

1, High-pressure pump outlet equipped with electro connecting pressure gauge, set working pressure, over-pressure automatic stop pump protection.

2, According to the highest working pressure, the high pressure pump, extraction kettle, separation kettle and distillation column are separately equipped with safety valve and automatic pressure relief.






Material 0Cr18Ni9

Specification 2L/40Mpa, used for mixing of entrainer and CO2


The container, valve, pipe fittings and pipelines that contact the fluid are made of 0Cr18Ni9 stainless steel. The valve stem is specially heat treated for durability.


High precision back pressure valve

Use the American TESCOM brand 1700 series back pressure valve, which is used for the extraction kettle to use PLC to control the pressure stability.


Pressure transmitter

Using the American Setra Model 5000 high-precision pressure transmitter to measure the pressure of the pipeline.


PLC control system

The PLC control system includes electrical control and human-machine interface. The electrical circuit adopts the Schneider brand. The human-machine interactive interface software is based on approved system layout diagrams and process flowcharts. All languages are British English.


Device features

1, The extraction kettle pressure ring opens quickly.

2, CO2 recycling.



1. Power supply: industrial power supply, three-phase 460V/60HZ, total power 58KW, actual use 30KW.

2. CO2: Food grade ≥99.5%, user-provided.

3. Installation size: 7800×7000×4500m/m, plus operating space.

Supercritical co2 extraction machine
HA420-40-200C Supercritical co2 extraction machine
Supercritical co2 extraction equipment
HA420-40-200C Supercritical co2 extraction equipment

HA420-40-200 has two models to choose from,general and Siemens PLC controlling system

Supercritical co2 extraction equipment
HA420-40-200C Supercritical co2 extraction equipment

With the design of 4 extraction kettles, it can work as one set of two extraction kettles, one set of work, one set of raw materials, and the internal CO2 cycle work.

Supercritical co2 extraction equipment
HA420-40-200C Supercritical co2 extraction equipment

At the same time, HA420-40-200 is equipped with a CO2 recovery pump, the CO2 in the reactor body after the extraction can be introduced into another set of extraction kettles, saving CO2.

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