1.      General information

  • 1.1 This system is multi‐function SCFE equipment, working either intermittently or continuously to extract a solvent from solid or liquid material; the additive can be added to the supercritical fluid
  • 1.2 The system has one extractor and two separators
  • 1.3 The highest working pressure of solid extractor is 40Mpa, the highest working temperature is 80C
  • 1.4 The design of pressure vessels adheres to the related national rules and standards, and with the overpressure protection system, including safety valves
  • 1.5 The whole equipment’s aesthetics, safe and easy operation, pressure and temperature flow capacity can be shown from the pressure meter and digital instrumentation. The material of pipe parts, valves, and pipe lines are all stainless steel (0Cr18Ni9Ti).

2.      Technical parameters

  • a)      Highest working pressure: 40Mpa
  • b)      Operation temperature: room temperature ~80C
  • c)      Flow of CO2 : 0~100L/h
  • d)      Volume of extractor: 10L
  • e)      Stair separator: 5L/16Mpa
  • f)       Secondary separator: 5L/16Mpa
  • g)      Total power: 15KVA
  • h)      Cooling capacity: 10,700 Kcal
  • i)        Water temperature range: ‐5°C~5°C
  • j)        Dry purifier: 1L/40Mpa;
  • k)      Additive flow: 0~4L/h
  • l)        CO2 storage tank: Air cooling, volume 24L, Max working pressure 16MPa.
  • m)   The power volt: 380V(Ac)

3. Main configuration and instrumentation

3.1 Extractor:

  • a)    Volume: 10L
  • b)    Amount: 1 
  • c)    The max working pressure: 40MPa          
  • d)    The max operate temperature: 80℃       
  • e)    Material: 0Cr18Ni9           
  • f)     Material tank(for both liquid and solid material): 2
  • g)    Heat preservation structure, and with stainless shell outside(also called jacket water structure)

3.2 Separator

Item Stair Separator Secondary Separator
Volume 5L 5L
Working Pressure 16MPa 16MPa
Amount 1 1
Operation Temperature Room Temperature ~ 80C
Material 0Cr18Ni9Ti

3.3 Pre‐heater

  • 3 sets (two different pressure, 40MPa, 16MPa) heated directly

3.4 Pump

(1)  Pressure pump

  • a)        Type: 3DT‐100/40
  • b)        Flow: 0~100L/h ( real flow of CO2,)
  • c)         Rate working pressure: 40MPa
  • d)        Flow adjustment: 15%—100%
  • e)        Head of pump with cooling structure
  • f)          Entrance Pressure from bottom: 3MPa

(2)  Additive pump

  • a)        Type: 2DT-4/40
  • b)        Flow: 0~4L/h
  • c)         Rate working pressure: 40MPa
  • d)        Flow adjustment: 0—100%

3.5 Dry purifier

  • a)        Volume: 1L
  • b)        Maximum working pressure: 40MPa

3.6 Mixer

  • a)        Volume: 1L
  • b)        Working pressure: 40MPa
  • c)         Material: 0Cr18Ni9Ti

3.7 Refrigerating system

  • a)        Cooling capacity: 10700 Kcal
  • b)        Water cool unit

3.8 The controlling of pressure and temperature, flow showing

(1) Pressure control

  • a)    Micrometer valve to control and ensure pressure stability of extraction and separation
  • b)  Y‐160 piezometer to show pressure with precision up to 1.5 class

(2)   Temperature control

  • Digital meter to show and control to precision 1 class

(3)   Flow showing

  • a)      CO2 uses metal rotor flow meter, range: 0~100 L/H
  • b)      Additive meter uses glass rotor flow meter, range: 0~10 L/H

3.9  Safety system

  • (1)   The pressure pump has a limited pressure structure; we can set its working pressure range and stop the pump when the pressure exceeds it.
  • (2)  The extractor, separator, CO2 storage tank have safety valves to keep the system within safe working parameters.

4 Spare Parts

No. Name Amount
1Extractor seal6
2Material tank seal6
3Separator seal6
4Purifier seal6
5Mixer seal6
6High pressure stop valve6
7Intercept valve6
8Main pump seal material6
9Other pump seal material6
10Professional pump tool6

5.      Testing and working conditions

  • a)      Three‐phase four‐wire 480V power source, power > 40KVA
  • b)      Buyer provides installed ground connection, resistence of ground connection R≤4Ω
  • c)      Ten bottles of CO2; individual weight ~ 20Kg
  • d)      Engine oil 40~40Kg
  • e)       Cooling water

6.      Training content

  • 1)      Safety training highlights should include: power, pressure, inflammable and explosive materials, mechanical drive, and general health hazards
  • 2)      Normal operation method and procedures
  • 3)      Import and export of CO2 and additive
  • 4)      Extractor material tank load and unload
  • 5)      Opening and closing of extractor and separator
  • 6)      How to use the dry purifier
  • 7)      Parameter values and physical meaning of all control components
  • 8)      The operation of high pressure valve control, flow adjustment, temperature setting, and pressure balance
  • 9)      The daily maintenance of this device

7.      Configuration list

No.

                           Name

Type

Amount

Remark

1

Extractor(Liquid and solid)

 

10L/40Mpa

1

Made by our company

2

Material tank (for both liquid and solid material)

Stainless steel

2

3

The stair separator

5L/16MPa

1

4

The secondary separator

5L/16MPa

1

5

Mixer

1L/40MPa

1

6

Filter

3L/16MPa

1

7

Purifier

1L/40MPa

1

8

Pre-heater

80℃

3 sets

9

CO2 storage tank

10 L/9.8MPa

1 set

10

Refrigerator

10,700 Kcal

1set

Made in china

11

CO2 Pressure pump

100L/h    40MPa

1set

12

Co-solvent pump

4 L /h,40 Mpa

1set

13

Flow meter

100/h

1

14

Co-solvent pump flow meter

4L/h

1

15

Temperature controller

Digital show

1set

16

Safety valve

According to process chart

17

Back pressure valve

Stainless steel

1 set

American Tescom brand

18

Pressure Valve

Y-140

5

Made in china

20

Pressure transducer

 

1

21

Valve

304 Stainless steel

1 set

22

High pressure pipe and parts

304 Stainless steel

1set

Made by our company

23

Transducer

For CO2 pressure pump and Co-solvent pump

2

Tai wan Tai da

24

Operation platform

304 Stainless steel

1set

Made by our company

25

CO2 cylinder frame/CO2

Carbon steel with A3 painting

1set

8. Extraction Process Chart