Product Description


canola seeds oil press machine

1.The residual: 2.1st grade canola oil

3.Patent technology

4.Good taste oil

Colza Seeds Oil Press Machine

Colza is a traditional kind of material for making edible oil. The whole colza seeds oil press machine contains three workshops: corn germ pretreatment workshop, corn germ oil extraction workshop and corn germ oil refining workshop.

1. Craft flow for colza oil pretreatment workshop

colza’ magnetic box→cleaning→softening’crusher→flaking roller’ cooker→oil presser/prepresser→to extraction workshop

Main Equipments of colza germ pretreatment workshop:

1). Colza: The oil content in the colza is about 40%.

2). Magnetic box: Clearing the iron impurity which might be in the colza. Since in the following steps, the iron impurity will be harmful to the machines.

3). Cleaning: Removing the stone or solid impurities in the colza, in case of they will influence the oil yield rate and desolventizing of wet meal in the next process.

4). Softening: This machine helps to adjust the water content and temperature of the colza.

5). Crusher: The size of colza is big, so it’s divided to 3-4 small piece. The small piece is suitable for flaking roller.

6). Flaking roller: This machine will broke the cell of colza and add the superficial area of the material.

7). Cooker: The function of cooker is to adjust the water content and temperature of the material. Then the colza is suitable for oil pressing or solvent extraction.

8). Oil Presser: This is a main machine in the whole colza pretreatment workshop. It helps to extract crude oil.

2.Craft flow for colza oil solvent extraction workshop

solvent → extractor→mixed oil→1st and 2nd evaporation →stripping tower→crude colza oil → Wet meal→DTDC toaster ‘colza cake

Main Equipments of colza oil solvent extraction workshop:

1). Solvent pumps: continuously spray solvent to the rotary-typr extractor.

2). Roary extractor: spray and soak the prepressed 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 toaster: 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.

3. Craft flow for colza oil refining workshop

Crude colza oil→degumming and deacidification→decolorization refined colza oil.

Main Process of colza oil refining workshop:

1). Degumming and deacidification: The gumming is moved by phosphoric acid and hot water. There are two ways to move the acid in the colza 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 colza 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 oil.

the specification of crude colza germ oil



Smell and taste

The original smell and taste of colza germ oil

Moisture and volatile matter (%)


Insoluble impurities (%)


Acid value (mgKOH/g)


Peroxide value (mmol/kg)


the specification of refined colza germ oil



Color (Lovibond Cell 133.4mm)

R3.5 Y35

Smell and taste

No smell and good taste


Clear and transparent

Moisture and volatile matter (%)


Insoluble impurities (%)


Acid value (mgKOH/g)


Peroxide value (mmol/kg)


Smoke point (°C)


WorkGroup believe that whatever the field is, quality has always been at the heart of the company’s performance. We treat quality and service as a way of life and hope to serve you in the possible manner on a long term and mutually beneficial basis. If you want to know more information about our sunflower oil plant or any other seed processing plant, please contact us in the following form. Our responsible, experienced sunflower oil processing technical team is always ready to serve and guide you at any time.

All the other oil seeds pre-treatment and oil refining equipment, sheller, cleaning sieve, cooker, filter and others is available at WorkGroup. If you want to know to start a vegetable oil pressing line with oil press machine, please contact us, we will offer you the best plan.

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