Key Features
- Designed for mixing manure, organic slurry, and biodegradable feedstock.
- Promotes uniform distribution of solids and liquids.
- Available in submersible and mechanical mixing configurations.
- Durable construction for demanding biogas applications.
- Available in different motor powers and mixing capacities.
- Helps minimise solid accumulation and settling.
- Suitable for digester tanks, slurry storage tanks, and feedstock preparation tanks.
- Available in different impeller designs to suit slurry characteristics.
Functions
- Mixes organic feedstock with water to achieve a more uniform slurry.
- Keeps suitable suspended solids distributed throughout the mixture.
- Helps prevent excessive accumulation of settled material.
- Supports consistent contact between microorganisms and biodegradable feedstock.
- Helps improve digester operation when mixing is appropriate for the system.
- Supports slurry preparation and digestate handling.
Benefits
- Improved Mixing: Helps maintain a more uniform distribution of organic materials.
- Reduced Settling: Limits excessive accumulation of solids at the bottom of tanks.
- Better Digester Operation: Supports contact between microorganisms and organic feedstock.
- Improved Process Stability: Appropriate mixing can help reduce localised differences in temperature and substrate concentration.
- Reduced Manual Labour: Automates slurry mixing in suitable installations.
- Versatile Applications: Suitable for household, agricultural, commercial, and industrial biogas systems.
- Efficient Feedstock Management: Helps prepare and maintain suitable mixtures for anaerobic digestion.
Typical Applications
- Livestock manure biogas plants.
- Cow, pig, and other suitable animal waste digesters.
- Agricultural and commercial anaerobic digestion systems.
- Organic food waste treatment plants.
- Slurry preparation and storage tanks.
- Digestate holding tanks.
- Wastewater treatment and organic waste processing facilities.
Installation and Maintenance
- Select a mixer based on tank dimensions, slurry volume, solids concentration, and viscosity.
- Install according to the manufacturer’s instructions and recommended mixing arrangement.
- Ensure the motor, seals, impeller, and other wetted components are compatible with the slurry.
- Inspect the impeller and motor assembly regularly for wear, blockage, or damage.
- Follow the recommended operating schedule to avoid unnecessary energy consumption.
- Disconnect and isolate the power supply before servicing.
- For digester installations, use equipment and electrical arrangements suitable for the relevant gas and hazardous-area conditions.
Important Product Information
The appropriate mixer depends on the digester design, feedstock characteristics, tank geometry, and required mixing intensity. Excessive mixing can consume unnecessary energy and may disrupt some digestion systems, while insufficient mixing can contribute to settling, scum formation, and uneven conditions.
A slurry mixer is different from a biogas slurry pump. A mixer agitates and blends material, while a pump transfers slurry from one location to another.
Before purchasing, confirm the motor power, rated voltage, mixing capacity, impeller diameter, installation depth, material construction, and suitability for the intended slurry.
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