Corn Germ Pressing

We can provide turnkey plant for you:

Corn germ pre-pressing and solvent extraction plant with capacity ranging from 50 t/d to 1,000 t/d

The purpose of preparation is to extract a portion of oil by mechanical pressing while providing pressing cakes for extraction plant. Main processes include: Seed Cleaning & Weighing, Cracking, Softening, Flaking, Pressing, Oil Residue Separation.

  • Corn Germ Oil Pressing
  • 700TPD Corn Germ Oil Extraction Project
  • Corn oil production line process

1. Cleaning & Weighing Section

Corn germ from daily bin is treated by magnetic separator, weighing scale and screener with dedusting aspiration network to remove impurities.
2. Cracking Section
The purpose of cracking is to crack corn germ into small particles prior to softening and flaking, in order to improve the quality and capacity of the flakes.
3. Softening Section
Horizontal drum rotary cooker is designed to adjust temperature and moisture of corn germ prior to flaking, to improve oil yield greatly.
4. Flaking Section
The purpose of flaking is to flake the softened corn germ into thin flakes (from 0.3 to 0.35mm) for the subsequent oil extraction through mechanical pressing. In addition, flakes thickness can be adjusted through the roll pressure adjustment device.
  • Corn Germ Flaking
  • Corn Germ Cooking
  • 400TPD Corn Germ Oil Project
  • 120TPD Corn Germ Oil Project
5. Pressing Section
Corn germ is a kind of high oil-containing oilseed. Generally, it is necessary to extract a portion of oil by mechanical pressing prior to the subsequent process. Expeller with auxiliary cooker ensures material reach proper temperature and moisture. Pressing cakes containing residual oil from 14% to 18% is then treated by solvent extraction while crude oil is to be filtered.
6. Oil Residue Separation Section
Due to the high content of residue in crude oil, it is necessary to separate oil residue by oil drag conveyor firstly, crude oil then enters to settling tank for further separation. The collected residue is returned to the pressing section while crude oil from settling tank is pumped to frame filter or leaf filter for further removing impurities.
7. Cooling Section
Cooling drag conveyor is designed to cool down pre-pressing cakes with high efficiency, then cakes is conveyed to the solvent extraction plant.
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