Aquaculture Aeration Equipment Guide: Differences & Selection Between Paddle Wheel, Splash, and Jet Aerators

I. Paddle Wheel Aerator: Efficient Oxygenation & Water Circulation

1. Working Principle

Paddle wheel aerators rotate blades to agitate water, creating currents and bubbles that increase dissolved oxygen (DO) levels. The blades are mounted on a horizontal shaft powered by an electric motor.

2. Key Features

• High-efficiency oxygenation: Rapidly boosts DO levels.

• Water circulation: Prevents stratification, evenly distributes oxygen/nutrients.

• User-friendly: Simple structure for easy installation/maintenance.

• Wide applicability: Suitable for various aquaculture ponds.

II. Splash Aerator: Functional & Aesthetic

1. Working Principle

Splash aerators spray water into the air, increasing DO as droplets fall back into the pond. The system consists of a pump and spray nozzle.

2. Key Features

• Effective oxygenation: Expands water-air contact area.

• Visual appeal: Creates fountain-like decorative effects.

• Multi-purpose: Ideal for aquaculture and ornamental water features.

III. Jet Aerator: Deep-Water Oxygenation Solution

1. Working Principle

Jet aerators mix air and water through high-speed jets, producing fine bubbles. Composed of a pump and specialized nozzle.

2. Key Features

• Deep penetration: Delivers oxygen to lower water layers.

• Compact design: Space-saving for confined areas.

• High DO transfer: Efficient gas-liquid mixing.

IV. Key Differences Between Aerator Types

V. Selection Guide

1. Pond Depth:

≤2m: Paddle wheel/Splash

>2m: Jet aerator

2. Oxygen Demand:

Match aerator power to stocking density

3. Aesthetic Needs:

Splash aerators for decorative purposes

4. Maintenance:

Prioritize corrosion-resistant models for saltwater use

Pro Tip: For intensive shrimp farming, combine paddle wheel (surface) and jet (bottom) aerators for full-depth oxygenation.