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Screw press is suitable for pressing rapeseed, peanut kernel, soybean, olive, walnut kernel, corn germ, rice bran, tea seed, safflower seed, sea buckthorn seed, neem seed, rubber seed, pepper seed, tomato seed, watermelon Vegetable oils such as seeds, grape seeds, flaxseed, evening primrose, pepper seeds, castor beans, citrus seeds, cocoa beans, coffee beans, perilla, almonds, peach kernels, and rose hips.

Raw material

Processing materials: sunflower seed, peanut, mustard, almond, black sesame, tea seed, cottonseed, etc

Working priciple

Generally, sunflower oil production line does the following manufacturing processes: cleaning of the seeds, grinding of the seeds, pressing and extracting crude oil from these seeds, and then further refining the oil obtained before packaging.
Cleaning the Seeds
The harvested oil-bearing seeds are passed over magnets to remove any metal traces, and other impurities are being got rid of by cleaning sieve and destoners. Then the outer covering (hulls) of the seeds are removed to obtain pure seeds.
Grinding the Seeds
The de-hulled seeds are ground into coarse meal to provide a larger surface area to be pressed. Hammer mills or grooved rollers are used to crush the coarse meal into uniform fine particles. Then the meal is heated to enable oil extraction, though impurities are released with oil during this process and such impurities should be removed before the oil is declared edible.
Pressing
The heated meal is fed into a screw oil press which progressively, at the same time, the oil is squeezed out through the slots in the barrel and recovered.
Refining of the Oil
Oil refining involves removal of the bitterness, color, and odor. First, the oil is heated at temperatures between 40 0C and 85 0C. Then it’s mixed with an alkaline substance like sodium carbonate or sodium hydroxide. The oils are degummed by treating them with heated water at temperatures between 85 0C and 95 0C or with acidified water. This precipitates out most of the gums usually phosphatides. Then centrifugation is done to remove the dregs.

Advantage

Raw materials can directly feed into the machine by hot or cold press, and press machine with filter drum in one set, so crude oil is clean and pure after filtering, if buyer don’t need refinery, it also can be directly eat and sell, it is the most ideal individual small processing oil plant.

Product Specification

Company Profile

We have abundant experience in product research, strong technical force, sophisticated production, and specializing in production of oil press machine, the main products are automatic Hydraulic oil press, and related products: wok, vibrating screen, peanut sheller, sesame feeding machine, oil filter machine, spiral hoist, automatic seed feeding machine.
Our hydraulic oil press is suitable for a variety of oil crops(sesame, peanut, walnut, mustard, olive, sunflower and more), all parts of the machine are made up of premium alloy steel and excellent craftsmanship, won an excellent reputation and satisfaction among customers.
Welcome customers from worldwide come for a visit to our factory!

Service

1.Quality warranty period is two years (except the wearing parts).Equipment must be 100% brand new when leaving factory. Malfunctions which are caused by machine-self and quality will be responsible for our manufacturer.
2. Whole lifetime maintenance free of charges.
3. Free training course at our plant.
4.Free technical support online or by phone communications&emails.
5.Our engineer can be assigned to your country for testing and training as per your requirement.

FAQ

1.Q:Which kind of oil materials can be processed?
A: All kinds of oil seeds. For example of common oil material:soybean, rice bran, corn germ, cottonseeds, peanut, sunflower, rapeseed, palm fruit etc.
2. Q:What’s the input capacity of your machinery?
A: 5-2000 tons per day. the input capacity is according your plan or requirements to customized.
3. Q:The materials of your machinery?
A: The stainless steel and carbon steel.
4.Q:How should I do if meet some trouble while using?
A:we can supply English manual book and also take a video for showing how to resolve the problems or dispatch our worker to your factory.
5. Q:Can you install the machine in local place?
A: We will send our engineers to local place to help installing the machine and provide technical guidance.
6.Q:how long can we receive the goods?
A:delivery about 45 working day after your order,have different shipping time of different machinery,and we will inform you shipping time based on your seaport.

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