Cottonseed Oil Pressing Machine

  • Cottonseed Oil Pressing Machine

Short Description:

The whole cotton seed oil pressing line contains three workshops: cottonseeds pretreatment workshop, cottonseeds oil extraction workshop and cottonseeds oil refining workshop.


Product Detail

Production Case

The whole cotton seed oil pressing line contains three workshops: cottonseeds pretreatment workshop, cottonseeds oil extraction workshop and cottonseeds oil refining workshop.
Craft flow for cottonseeds oil pretreatment workshop:

cottonseeds → magnetic box → cleaning → flaking roll → cooker → oil press or prepress → to extraction workshop
Main Equipments:
1. Cottonseeds: It’s a new kind of oil seeds for human. This oil also can be made to biodiesel. The oil content of cottonseeds is about 33-40%.
2. Magnetic box: Clearing the iron impurity which might be in the cottonseeds. The iron impurity will be harmful to the following machines, so we need take the iron impurities out.
3. Cleaning: This parts have different size cleaning sieves to clean the different impurities. After going through this part, most of the impurities are moved from cottonseeds.
4. Cooker: This machine can adjust the water content of the cottonseeds. It’s also good for the press and oil extraction section.
5. Press: The press machine is used to take parts or all of the oil in the cottonseeds seed. We will design the suitable machine according to your requirement.

Craft flow for cottonseeds oil extraction workshop:

solvent

extractor → mixed oil → 1st and 2nd evaporation → stripping tower → crude cottonseeds oil
Wet meal → DTDC toaster → cottonseeds cake
Cottonseed Oil Main Equipments:
1. Solvent pumps: continuously spray solvent to the rotary-typr extractor.
2. Roary extractor: spray and soak the cottonseeds cake with solvent so that oil fats can be dissolved in solvent (form miscella). After processing, you can get wet meal and miscella (mixed oil).
3. DTDC: used to separate the solvent from the wet meal.
4. Miscella tank 1st: pump the miscella ( oil with solvent) into the miscella 1st, then add 10% saline water to it. The phospholipid and impurities in the miscella will react with the saline water, at last the reactant precipitate, reaching the goal of purifying.
5. Miscella tank 2nd: the purified miscella will be pumped into it.
6. Miscella stripping: it will remove the remaining solvent in miscella. And the solvent will be discharged to condenser for recycling.
7. Condensers: used to cooling the solvent gas separated from the wet meal and miscella for recycling.

cottonseed-oil-pressing-unit-line.jpg

Craft flow for cottonseeds oil refining workshop:

Crude cottonseeds oil → degumming and deacidification→ decolorization →deodorization → refined cottonseeds oil.
Main Process:
1. Degumming and deacidification: The gumming is moved by phosphoric acid and hot water. There are two ways to move the acid in the cottonseeds oil. One is chemical way, the other one is physical way. The chemical way is using NaOH to react with acid. This way is suitable for the capacity of 5-30T per day. The physical way is using steam and centrifugal to move the acid. This way is used for capacity from 30-2000T per day.
2. Decolorization: This step is used to adjust the color of the oil. You can control the color of the cottonseeds oil according to the requirement of your market.
3. Deodorization: The function of this step is to move the special smell in the oil. This is an important standard for refined cottonseeds oil.


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