Medium and small-sized oil mills often face challenges like suboptimal oil yield and lower equipment efficiency due to improper handling of different oilseed types. The ZY24 (202-3) screw oil press model offers versatile parameter adjustments to tailor the extraction process specifically for rapeseed, peanut, and sunflower seed. This article dives into crucial techniques—ranging from raw material pretreatment to meticulous control of press chamber pressure and temperature—ensuring high-efficiency oil extraction and superior product quality.
Efficient oil extraction starts with well-prepared raw materials. For rapeseed, maintaining a moisture content between 7.5% and 9% optimizes cell wall rupture during pressing. Peanuts require slightly higher moisture levels, around 8.5% to 10%, to prevent kernel brittleness that leads to excessive fines, which can reduce oil yield. Sunflower seeds perform best at 8% to 9% moisture. Additionally, crushing grain size plays a pivotal role: grains crushed to 1-2 mm for rapeseed and sunflower seeds, and 2-3 mm for peanuts, balance surface area exposure and prevent blockage within the screw.
Controlling the pressure inside the press chamber is fundamental. Optimal pressure enhances oil free flow while minimizing mechanical wear and heating energy costs. For the ZY24 (202-3) model:
| Oilseed Type | Recommended Press Chamber Pressure (MPa) | Ideal Pressing Temperature (°C) |
|---|---|---|
| Rapeseed | 7.5 – 9.0 | 85 – 90 |
| Peanut | 6.0 – 7.5 | 75 – 80 |
| Sunflower Seed | 7.0 – 8.5 | 80 – 85 |
Maintaining these parameters ensures oil molecules are readily released without excessive thermal degradation, securing both yield and oil quality.
Adjusting the screw shaft speed, press bar gap, and press zone distribution enhances performance tailored to seed type:
The press's segmented pressing zones should be configured to gradually increase pressure, allowing smooth oil release and cake formation specific to seed anatomy.
Industry field tests reveal that many oil mills encounter frequent screw clogging, inconsistent temperature control, and material feeding irregularities. Expert technicians emphasize:
These practical tips, combined with continuous parameter fine-tuning, significantly bolster both output capacity and extracted oil quality.
Combining data-driven adjustments with seasoned operator experience transforms the ZY24 (202-3) from a standard machine into a highly efficient oil extraction powerhouse. Benchmark figures show oil yield improvements up to 8% for rapeseed and 7% for sunflower seeds post-optimization, reducing energy consumption by 10–12%. These gains enable small and medium oil mills to compete effectively in markets demanding both volume and quality.
Ready to maximize your oil mill’s productivity with the ZY24 (202-3) screw oil press? Discover tailored configuration solutions and expert support today!
