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Extraction Tank

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Overview

The extraction tank, also known as an extraction vessel, is designed to extract active components from plant parts (such as roots, stems, and leaves) or animal tissues, including polyphenols, collagen, brain proteins, bone extract, bone peptides, etc. Depending on the raw materials (e.g., plant tissues, traditional Chinese medicinal herbs, bones, bone residues), different types of extraction tanks are used, commonly including:

 

  • Straight cylinder extraction tank
  • Positive cone extraction tank
  • Mushroom-type extraction tank
  • Dynamic extraction tank
  • Static extraction tank

 

These tank types vary in design features due to differences in raw materials and processing techniques. With years of expertise in the design, development, and manufacturing of extraction tanks for TCM, food, chemical, and other industries, our company ensures reliable quality and welcomes non-standard customization.

Brief Introduction to Structural Features

  1. Working Volume
    The volumes of extraction tanks are available in 0.5m³, 1m³, 1.5m³, 2m³, 3m³, 5m³, 6m³, 8m³, and 10m³. The working volume accounts for 50%~80% of the total volume, meaning the total volume is larger than the effective volume. Generally, the design is based on the effective volume.
  2. Operating Parameters and Structural Design
    • Operating temperature: typically 10~150℃.
    • Structural types: straight cylinder, mushroom-type, and positive cone-type.
    • The tank body can be heated in sections. The bottom cover of the slag discharge door adopts direct steam heating or bottom indirect heating. The filter on the bottom cover of the cylinder is easy to disassemble.
    • The working pressure inside the tank can be atmospheric or pressurized.
    • The feeding port is equipped with a self-locking function and an observation window. The bottom cover has a safety locking function and is controlled by a control panel.
    • A pneumatic control box is used to control the opening and closing of the discharge gate and feeding port.
  3. Surface Treatment
    The inner surface of the equipment (parts in contact with materials) undergoes mechanical polishing and oil-free treatment after polishing.
  4. Process Openings
    The extraction tank is equipped with, but not limited to, the following process openings: feeding port (manhole), sight glass, lighting port, exhaust port, reflux port, forced reflux port, pressure gauge port, vent port, liquid discharge port, direct steam port, drinking water inlet, temperature probe interface, and safety valve.
  5. Main Components
    The extraction tank mainly consists of seven parts: main tank (extraction tank), foam trap, condenser, cooler, oil-water separator, filter, and pump.
    • The cone-type extraction tank serves as the main tank, which is the core for extraction reactions, enabling processes such as raw material decoction, heating, cooling, evaporation, and reflux. It generally uses a slag discharge door for material discharge, ensuring convenience, efficiency, and safety.
    • The foam trap is equipped with a quick-opening cover on the top for easy disassembly of defoaming components, which are designed for easy removal and cleaning.
    • Condensers, coolers, gas-liquid separators, and filters are designed according to actual requirements, including working pressure, heat exchange area, shell wall thickness, and tube specifications.
    • Non-standard customization of various extraction tanks is available.

Main Technical Parameters

Parameter Category Unit Parameter Value
Total Volume L 500, 1200, 2500, 1200, 1200
Designed Pressure in Tank MPa 0.09
Designed Pressure in Jacket MPa 0.3
Allowable Vacuum in Tank MPa 60
Compressed Air Pressure MPa 0.6 – 0.7
Diameter of Feeding Port mm 300, 400, 400, 400, 400
Heating Area M2 2.4, 3.0, 4.7, 6.5, 11
Condensing Area M2 3, 4, 6, 8, 15
Cooling Area M2 1, 1, 1, 1.5, 1.5
Filtering Area M2 0.25, 0.5, 0.5, 0.8, 0.8
Equipment Weight kg 1000, 1800, 2050, 2300, 3200
Overall Dimensions mm Φ1400×Φ2300; Φ1700×Φ2900; Φ1800×Φ3700; Φ1700×Φ2900; Φ1700×Φ2900

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