Technical Manual Of 120L Supercritical CO2 Fluid Extraction Equipment

Overview

BIT 120L Supercritical CO2 fluid extraction equipment is a (30+30+30+30)L/40Mpa four-extraction, two-divided CO2 circulation system for material extraction (solid or liquid) at high pressure and temperature, in a separator.

The conditions were changed so that dissolved substances were resolved for the purpose of separation.

Components

BIT 120L Supercritical CO2 fluid extraction equipment is mainly composed of: extraction kettle, separation kettle, CO2 high pressure pump, entrainer pump, refrigeration system, CO2 storage tank, heat exchange system, purification system, flow meter, temperature control system, and safety protection device. Auxiliary equipment and systems can meet the requirements and flowchart requirements of the Super Supercritical CO2 Fluid Extraction main system.

System composition

Extraction system

Including extraction kettle, heat exchanger, heating bath, temperature control, safety protection, pressure test, etc.

Separation system

Including separation kettle, heat exchanger, heating bath, temperature control, safety protection, pressure test, etc.

Pressure system

Including liquid CO2 pump, cold water circulation, safety protection, electrical contact protection, pressure test, etc.

Regulator system

Including filters, back pressure valves, etc.

Liquid CO2 generation system

Including refrigeration unit, liquid CO2 storage tank, gas-liquid separator, pressure test, etc.

Entrainer system

Including entrainer pump, entrainer addition tank, entrainer flow meter, etc.

CO2 circulation system

Including mixer, purifier, liquid CO2 flowmeter, etc.

CO2 recovery system

Including CO2 recovery pump (optional for users), CO2 recovery pipeline, etc.

Advantages

1. Supercritical CO2 fluid extraction equipment of the entire system is designed to facilitate the operation of the system. The appearance is beautiful, the noise is low, and the operation is convenient.
2. The liquid CO2 booster pump is a three-piston reciprocating pump with a maximum output pressure of 40 MPa and a maximum flow rate of 1000 L/h. The pump head includes a cooling system and stepless frequency conversion.
3. The heating method adopts the hot water circulation method, and the temperature control system adopts PID self-tuning, thereby improving the accuracy of temperature control and reducing the noise.

Technical parameters

Extraction kettle

• With water jacketed circulation heating system, material: 0Cr18Ni9,
• Adjustable temperature, with solid, liquid barrel, volume: 25L,
• The highest working pressure: 50MPa, the highest temperature can be set: 85 °C,
• 4 set

Separator

• With water jacketed circulation heating system, adjustable temperature,
• Volume: 20L, material: 0Cr18Ni9,
• Maximum working pressure: 30MPa, maximum settable temperature: 85°C
• 2 sets

Liquid CO2 high pressure pump

• Form: three plunger, pump head with cooling system, maximum flow: 50L/h,
• Variable frequency adjustable (with frequency converter), maximum working pressure: 50Mpa,
• 1 set

Entrainer pump

• Form: three plunger, pump head with cooling system, adjustable frequency,
• Maximum flow: 1000L/h, maximum working pressure: 40Mpa
• 1 set

Cooling System

• Cooling capacity: 20000 Kcal/h, air-cooled,
• Temperature control range: 2 °C ~ 8 °C, to meet the process requirements
• 1 set

CO2 storage tank

• With water jacket cooling cooling system, material: 0Cr18Ni9,
• Volume: 20L, pressure: 16MPa, including liquid level gauge
• 2 set

Heat Exchanger

• Material: 0Cr18Ni9, Specification: Φ18×2 coil,
• Maximum working pressure: 40MPa, water distribution jacket heating system
• 3 sets

Filter

• With inner liner desiccant, material: 0Cr18Ni9
• Volume: 2L, pressure: 40MPa
• 1 set

Gas-liquid separator

• Into the up and down the separation, material: 0Cr18Ni9,
• Volume: 2L, pressure: 40MPa
• 1 set

Mixer

• ZR-I type, material: 0Cr18Ni9, volume: 2L, pressure: 40MPa
• 1 set

Liquid CO2 flowmeter

• Form: Metal rotor flowmeter, measuring range: 0-1000L/h,
• Pressure resistance: 10MPa, digital instantaneous and cumulative flow
• 1 set

Entrainer flowmeter

• Form: Metal floater flowmeter, measuring range: 0-20L/h,
• Pressure resistance: normal pressure, glass readings,
• 1 set

Heated water bath

• Control range: adjustable from room temperature to 85°C (water bath)
• Dynamic temperature control accuracy: ± 0.5 °C, digital display dual screen
• 6 sets

Regulator

• Between the extraction and separation, control the extraction pressure,
• Control pressure range: 0～40MPa
• 1 set

Precision pressure gauge

• 16MPa,40MPa，60MPa
• 7 sets

Electrode pressure meter

• 60MPa
• 1 set

Safety protection device

• Three-fold protection of safety valves, smart meters, and electrode voltage meters
• 4 sets

Fittings, fittings, common pressure gauges, etc.

• DW6, DW10, Pressure: 50MPa, Material: 0Cr18Ni9
• 1 set

Overall bracket

• And control box

Spray treatment, configuration cylinder holder and cylinder heating jacket

• 1 set