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How to Optimize Screw Oil Press Settings for Canola, Peanut, and Sunflower Seeds — Boost Yield in Small-Scale Oil Mills
2025-10-09
QI ' E Group
Application Tips
Different oilseeds like canola, peanuts, and sunflower seeds have unique physical properties that affect pressing efficiency. The ZY24 (202-3) screw oil press delivers high output by precisely adjusting barrel clearance and rotational speed. This guide explains how to tailor parameters based on raw material characteristics—such as moisture content, particle size, pressure control, and temperature management—to maximize oil yield and reduce energy consumption. Real-world insights from field engineers and practical parameter tables help you solve common challenges in small oil mills. Learn the exact techniques used by professionals to extract maximum value from every batch.
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How to Boost Oil Yield in Small & Medium-Sized Oil Mills with the ZY24 (202-3) Screw Press

If you're running a small or medium-sized oil mill, one of your biggest challenges is likely this: getting consistent high yields from different oilseeds like rapeseed, peanuts, and sunflower seeds. These materials have wildly different physical properties — moisture levels, hardness, fiber content — and if your screw press isn’t tuned precisely, you’ll lose money on both output and energy.

Why Raw Material Matters More Than You Think

Let’s start with real numbers: according to field data from over 50 oil mills using the ZY24 (202-3) screw press, operators who adjusted parameters based on seed type saw an average increase in oil yield by 6–12%, while reducing electricity consumption by up to 15%. That’s not just optimization—it’s profit.

Oilseed Type Recommended Gap (mm) Optimal RPM Range Key Tip
Rapeseed (Canola) 2.0–2.5 35–45 Pre-dry to 6–8% moisture for best flow
Peanuts 1.8–2.2 40–50 Avoid overheating—keep temp under 70°C
Sunflower Seeds 2.2–2.8 30–40 Crush finer—particle size ≤ 3 mm improves pressure buildup
“We used to treat all seeds the same until we started tracking gaps and RPMs per batch. Now, our peanut oil yield jumped from 42% to 48%, and we save nearly $1,200/month in power costs.” – Engineer at a Thai oil mill, interviewed in 2023

The Hidden Levers: Pre-Treatment & Process Control

You can’t rely solely on adjusting the screw press—you must also control:

  • Moisture Content: Too wet? Poor pressing efficiency. Too dry? Risk of dust explosion. Aim for 6–8% for most seeds.
  • Particle Size: For sunflower seeds, crushing below 3mm increases contact area and improves oil release by ~8%.
  • Temperature Management: Keep it under 70°C during pressing—especially for peanuts—to avoid oxidation and off-flavors.

The ZY24 (202-3) model shines here because its modular design allows quick adjustments without downtime. One operator in India reported switching between rapeseed and sunflower in under 30 minutes—something impossible with older models.

Diagram showing how adjusting screw press gap affects oil extraction rate across different seeds

Don’t guess—measure. Use simple tools like moisture meters, thermometers, and torque gauges to validate your settings daily. This isn’t just theory—it’s what separates successful oil producers from those stuck at 35–40% yield.

If you’re ready to stop wasting valuable oil and start maximizing every kilo of seed you process, let’s talk. Our team has helped over 120 small oil mills optimize their setups—and we can do the same for yours.

Get Your Customized ZY24 Screw Press Optimization Plan Today
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