Comprehensive Guide to Liquid Filling Lines: From Principles to Equipment Selection

A Complete Overview of 10 Types of Filling Machines and Their Industrial Applications

The Importance of Filling Technology in Modern Production

In modern food, beverage, pharmaceutical, and chemical industries, liquid filling line are core equipment that ensures product quality and production efficiency. Different liquid characteristics require specific filling technologies—from low-viscosity water-like liquid filling line to high-viscosity pastes, each product has its ideal filling solution.

2. Pressure Filling Machines: Specialized for Carbonated Beverages

2.1 Technical Features

Operates above atmospheric pressure in two modes:

• Isobaric Filling: Equal pressure between tank and bottle allows gravity flow

• Differential Pressure Filling: Uses pressure difference for faster filling

2.2 Industry Applications

Ideal for carbonated and fermented drinks:

• Beer/soda production lines

• Champagne/sparkling wine filling

• Carbonated functional beverages

Key Advantage: Prevents CO2 loss, maintaining drink quality

3. Vacuum Filling Machines: Optimal for High-Viscosity Liquids

3.1 Equipment Advantages

Filling under negative pressure offers:

1. Simple structure with low failure rates

2. 30% higher efficiency than atmospheric fillers

3. Broad viscosity adaptability

3.2 Suitable Materials

• Edible oils (peanut, olive oil)

• Syrups (honey, maple syrup)

• Fruit wines & concentrated juices

4. Dedicated Oil Filling Systems

4.1 Technological Innovations

Modern oil fillers feature:

• Manual/automatic mode switching

• Drip-free nozzle design

• Multi-container compatibility

4.2 Common Applications

• Edible oils (soybean, rapeseed oil)

• Industrial lubricants (engine oil, gear oil)

• Specialty oils (transformer oil, essential oils)

5. Complete Guide to Paste Filling Technology

5.1 Application Range

Handles fluids to semi-solids including:

• Pharmaceuticals (ointments, gels)

• Cosmetics (facial cleansers, serums)

• Food products (jams, chocolate spreads)

5.2 Special Configurations

• Servo motor precision control

• Pneumatic piston metering

• CIP cleaning systems

5. Complete Guide to Paste Filling Technology

5.1 Application Range

Handles fluids to semi-solids including:

• Pharmaceuticals (ointments, gels)

• Cosmetics (facial cleansers, serums)

• Food products (jams, chocolate spreads)

5.2 Special Configurations

• Servo motor precision control

• Pneumatic piston metering

• CIP cleaning systems

6. Specialized Sauce Filling Solutions

6.1 Technical Breakthroughs

For particle-containing sauces:

• Twin-screw feeding mechanism

• Wear-resistant alloy filling valves

• Smart viscosity adjustment

6.2 Typical Products

• Condiments (chili sauce, bean paste)

• Hotpot bases

• Nut butters (peanut, sesame paste)

7. Particle Slurry Filling Equipment

7.1 Technological Solutions

Addresses clogging issues with:

• 3D vibration screening

• Large-diameter pipelines

• Vision-guided positioning

8. Powder Filling Machine Specifications

8.1 Precision Control

SIEMENS control system enables:

• ±0.5% accuracy

• 120 containers/minute speed

• Automatic weight compensation

8.2 Industry Applications