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Module Overview

The Tea, Coffee & Bone Extract Process Module is an automated, high-efficiency extraction system tailored for natural raw materials such as tea leaves, coffee beans, and animal bones. Renowned for its reliability and stability, it enables precise control of temperature, pressure, time, and solvent ratios to maximize the extraction of target components (e.g., tea polyphenols, caffeine, collagen) while preserving their bioactivity. Compliant with HACCP and FDA standards, the system supports full-process production from raw material pretreatment to concentration and drying, delivering high-quality solutions for diverse industries.

Core Components

Raw Material Pretreatment Module

Tea/Coffee: Cleaning/sorting machine → dryer → ultra-fine grinding mill

Animal Bones: High-pressure crusher → centrifugal degreasing machine → pre-cooking enzyme inactivation tank

Extraction Module

● Multi-functional extraction tank: Jacketed heating, variable-frequency stirring (10–100 rpm), CIP spray balls

● Solvent recycling system: Solvent recovery column + condenser (solvent loss ≤3%)

Solid-Liquid Separation Module

Decanter centrifuge: Residue-liquid separation for bone broth

Plate-frame filter press: Coarse filtration for tea/coffee extracts

Membrane separation unit: Ceramic/organic ultrafiltration membranes for extract purification

Concentration & Drying Module

Falling film evaporator: Pre-concentration

Vacuum belt dryer: For heat-sensitive materials

Spray drying tower: Capacity 100–2000 kg/h

Automation Control Module

PLC + SCADA system: Preloaded extraction recipes (green/black tea, cold brew coffee, bone broth, etc.)

Cleaning & Environmental Module

CIP system: Automatic acid/alkali dosing, ≥99% cleaning coverage

Vertical Extraction Tank

Coffee Extraction Tank

Horizontal Extraction Tank

Extraction Pilot Plant

Vertical Extraction Tank

Coffee Extraction Tank

Horizontal Extraction Tank

Extraction Pilot Plant

Key Process Control Points

Raw Material Pretreatment

● Tea/Coffee: Adjustable particle size (20–100 mesh) via ultra-fine grinding to prevent flavor loss

● Bone Broth: High-pressure hydraulic crushing + centrifugal degreasing (fat residue ≤1%) to minimize foaming and off-flavors

High-Efficiency Extraction

● Temperature gradient control: Tea extraction (60–95°C stepwise heating), coffee (85–92°C constant)

● Pressure optimization: Collagen yield increased by 40% under 0.2–0.5 MPa and 110–130°C

Separation & Concentration

● Membrane filtration: Ceramic/organic ultrafiltration (1kDa–50kDa MWCO) removes macromolecular impurities; combined with RO pre-concentration and vacuum low-temperature concentration (≤50°C) to retain heat-sensitive components (e.g., coffee aroma)

Sterilization & Drying

● UHT sterilization (135–140°C, 4–6s): Microbial kill rate ≥99.99% (commercial sterility)

● Drying control: Inlet air temperature (tea powder: 180–200°C; bone broth powder: 80–100°C), final moisture ≤5%

● Nitrogen blanketing: Prevents oxidative browning

Quality Traceability

● Automated batch reports (temperature, pressure, extraction time) compliant with FDA 21 CFR Part 11

Industry Applications

Food Processing

Instant beverages, concentrates, health supplements (plant extracts)

Seasonings

Bone broth flavor bases

Pet Food

Broth additives

Core Advantages

High Component Retention

Dynamic pressure extraction + aroma recovery unit (coffee volatile recovery >85%)

Flexible Configuration

Modular design supports CO? supercritical extraction (premium decaffeination) or enzymatic reactors (bone-derived small-molecule peptides)，F(xiàn)rom lab-scale trials to industrial production