Cottonseed Oil Production Plant

Section Introduction:

Production Capacity: 30~1500 T D Raw Material: Cottonseed, soybean, rapeseed, tea seed, peanut, corn germ, rice bran, sunflower, etc Main equipment: Degumming tank, heat exchanger, decolorizer, filter, deodorization tower, etc

The whole cottonseed contains 15% ~25% of oil, while its kernel contains 32% ~ 46% oil and 30%protein, so it is an important resource of edible oil and vegetable protein. Cotton seed oil contains 60% ~ 90% of unsaturated fatty acids (linoleic acid and oleic acid), which has the functions lowering cholesterol, preventing atherosclerosis, etc. It is an also important kind of edible vegetable oil.
Generally speaking, cottonseed oil processing mainly including the flowing production process, they are seed cleaning, cracking, flaking, cooking, expelling and refining.

Technology flowchart
Cotton seed → Delinting → Shelling → Flaking → Extrusion → Extraction → Mixed Oil → Steaming (mixed oil concentration 65-70%) → Acid reaction → Alkali reaction → Heating → Centrifugal separation → Twice steaming → steam stripping → Cottonseed oil neutralization → Decolorization → Deodorization → Refined cottonseed oil
In this section we use Magnetic Separator, Vibrating Sieve, de-stoner, decorticator (Cotton seeds used hammering decorticator). Through cleaning the impurity, you can reduce the lost of oil & improve the oil yield and the environment of production plant. The material has been produced after pretreatment contains the impurities ≤ 0.1%.
Adopting the toothed cracking roller to make the cotton seeds kernel into a right uniform pcs which can keep a moderate block size for squeezing out the oil.
To make cracked Cotton seeds kernel pcs into uniform smaller flakes with thickness ≤ 0.5mm, less powder, non-oil spilled, pinching  softly by hand and  the ratio of smaller powder than 1mm sieve mesh is ≤ 10% - -15%.
The process is to add the steam into the crushed/flaked seeds pcs, then to dry the seeds for getting rid off more water content.
Matching the modern style oil expelling press machines to get more oil, or you can use solvent after pre-pressing by oil expellers to get more oil. Solvent extraction is the commonly used commercial technique to recover oil from oilseeds.
In the crude oil contains residue and solid powder, so we have to remove them before packing or refining. 

Advantage of Ocean Cottonseed Oil Mill
(1) High oil yield , obvious economic benefit.
(2) Residual oil rate in the dry meal is low.
(3) Improving the quality of the meal and oil.
(4) Low processing cost , high labor productivity.
(5) High automatic and labor saving.


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