Knowing and controlling the moisture content of materials from the introduction of raw ingredients to the packaging of the final product is essential for maximising efficiency, optimising yield, and producing a high-quality, consistent feed product.
Variations in the moisture content of raw materials have historically presented a challenge for feed processors. The moisture levels of raw ingredients fluctuate depending on environmental conditions during harvest, transportation, and storage. Traditional offline testing methods are time-consuming, prone to error, and often fail to represent the material actually flowing through the production process.
The ideal solution is to continuously measure the moisture content of flowing materials and correct variations in real time. In the past, such systems were often complex to operate and required ongoing, costly maintenance. Today, modern, sophisticated, reliable, and affordable moisture sensors make it possible to control moisture levels across the entire process simply and economically.
Why Should You Measure Moisture?
1. Raw materials vary in moisture content, and these variations can lead to weighing discrepancies.
2. Accurate moisture control during the drying process helps prevent both under-drying and over-drying.
Choosing a moisture sensor with a precision of ±0.5% instead of ±1.0% may seem like only a small improvement. However, consider a drying process where the material is reduced from 20.0% moisture to a maximum of 14.0%. In this case, the increased precision of 0.5% can deliver a 7.15% energy saving, assuming the energy input is proportional to the amount of moisture removed.
Where Should Moisture Be Measured?
Moisture control throughout the production process enables the manufacture of higher-quality, more balanced, and more valuable feed. Key measurement points include:
1. Drying for storage – at the outlet of the dryer
2. Milling / tempering – at the inlet of the tempering stage
3. Pelleting / conditioning – during the conditioning process
4. Drying for packaging – at the outlet of the dryer
Key Benefits
By controlling moisture during the weighing of raw materials, producers can more accurately manage the protein content of the final pellet, ensuring superior and consistent product quality.
Additional benefits of effective moisture control include:
1. Increased yield from raw materials
2. Reduced spoilage and material loss
3. Optimised energy usage throughout the process
4. Consistent product quality and nutritional value
5. Improved shelf life and product reliability
Accurate moisture measurement ensures that feed producers can deliver consistent, homogenous products with reliable nutritional performance.
For more information on how advanced moisture measurement can improve your process efficiency and product quality, speak with a Hydronix expert.