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Soyabean Oil Making Production Line
Kingdo can supply you full sets of soyabean oil making/refinery machine with high-technology and efficiency. We have rich experience in cooking oil plant installation, we have set up small/mini vegetable oil processing plant in China and overseas.
The whole Soybean Oil Making Factory contains three plants, they are Soybean Pretreatment Plant, Soybean Oil Extraction Plant, and Soybean Oil Refining Plant.
Part I: Soybean Pretreatment Plant
- Craft flow for soybean pretreatment plant
Soybean--Magnetic box--Cleaning--Crusher--Soften--Flaking roll--Cooker--Extraction plant
- Main Equipment in soybean pretreatment plant
1.Soybean: It's one of main oil seeds from human. It's used to make soybean oil around the world. The oil content in soybean seed is about 18-21%.
2.Magnetic box:Clearing the iron impurity which might be in the soybean. 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 for soybean.
4.Crusher:Because of the big size of soybean, it needs to be crushed to small pieces. The crusher will help to get mre soybean oil from the seeds.
5.Cooker:This machine can adjust the water content of the soybean. It's also good for the press and oil extraction section.
Part II: Soybean Oil Extraction Plant
- Craft flow for soybean oil extraction plant
Solvent--Extractor--Mixed oil--1st and 2nd evaporation--Stripping tower--Crude soybean oil--Wet meal--DTDC toaster--Soybean cake
- Main Equipments in soybean oil extraction plant
1.Solvent pumps:Continuously spray solvent to the rotary-typr extractor.
2.Roary extractor:Spray and soak the soybean cake with solvent so that oil fats can be dissolved in solvent(from 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.
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.
Part III: Soybean Oil Refining Plant
- Craft flow for soybean oil refining plant
Crude soybean oil--Degumming and deacidification--Decolorization--Deodorization--Refined soybean oil
- Main Process for soybean oil refining plant
1.Degumming and deacidification:The gumming is moved by phosphoric acid and hot water. There are two ways to move the acid in the soybean 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.Decolorizaiton:This step is used to adjust the color of the oil. You can control the color of the soybean oil according to the requirement of yur market.
3.Deodorization:The function of this step is to move the special smell in the oil. This is an important standard for refined soybean oil.
It also apply to below kinds of oil materials:
Part IV:Specifications of soybean oil
- The specification of crude soybean oil
| Item | Standard |
| Smell and taste | The original smell and taste of soybean oil |
| Moisture and volatile matter (%) | ≤0.20 |
| Insoluble impurities (%) | ≤0.20 |
| Acid value (mgKOH/g) | ≤4.0 |
| Peroxide value (mmol/kg) | ≤7.5 |
- The specification of refined soybean oil
| Item | Standard |
| Color (Lovibond Cell 133.4mm) | R2.0 Y20 |
| Smell and taste | No smell and good taste |
| Transparence | Clear and transparent |
| Moisture and volatile matter (%) | ≤0.05 |
| Insoluble impurities (%) | ≤0.05 |
| Acid value (mgKOH/g) | ≤0.20 |
| Peroxide value (mmol/kg) | ≤5.0 |
| Smoke point (°C) |
≥215 |
Part V: Filling line and package line of soybean oil
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