Expeller Pressed Coconut Oil Machine/Expeller Canola Oil Machine
Coconut oil, or copra oil, is an edible oil extracted from the kernel or meat of mature coconuts harvested from the coconut palm (Cocos nucifera). It has various applications. Because of its high saturated fat content, it is slow to oxidize and, thus, resistant torancidification, lasting up to six months at 24 °C (75 °F) without spoiling.

Due to its high levels of saturated fat, the World Health Organization, the United States Department of Health and Human Services, United States Food and Drug Administration, American Heart Association, American Dietetic Association, British National Health Service,British Nutrition Foundation, and Dietitians of Canada advise that coconut oil consumption should be limited or avoided.

Coconut oil can be extracted through dry or wet processing.
Our Technology is dry processing
Refined oil
Refined, bleached, and deodorized (RBD) oil is usually made from copra, dried coconut kernel, which is pressed in a heated hydraulic press to extract the oil. This yields practically all the oil present, amounting to more than 60% of the dry weight of the coconut. This crude coconut oil is not suitable for consumption because it contains contaminants and must be refined with further heating and filtering.Another method for extraction of coconut oil involves the enzymatic action of alpha-amylase, polygalacturonases, and proteases on diluted coconut paste.
Unlike virgin coconut oil, refined coconut oil has no coconut taste or aroma. RBD oil is used for home cooking, commercial food processing, and cosmetic, industrial, and pharmaceutical purposes.

Copra Coconut Oil Production Line

A small scale coconut oil production line, A to Z solution.

Crush the copra

Crush the coconut to desired size

Pressing

Use screw oil press

Filter

filter crude oil

Coconut Oil Production Processing

The coconut oil production process first needs to pre-treat the coconut. The pre-treatment process includes transportation and crushing of copra. It is then peeled and pressed to produce crude coconut oil. Finally, it is filtered to obtain pure and nutritious coconut oil.

Coconut oil production process is analyzed below:

1. 1. Copra conveying: The raw material copra are blocks, so they are not suitable to be delivered by elevator; the small scraper conveyor has too small inlet, therefore the feeding will be unsmooth; while if the scraper is too big, it will cost too much. That’s why we choose belt conveyor for the coconut oil making line. Its slant angle should not exceed 30°, otherwise it is easy to fall out material. Before the crushing device, we install an iron removal device, which can on one hand prevent the equipments from being damaged by irons, one the other hand guarantee coconut oil cake quality.
   2. Crushing: Copra is big block dried coconut meat, whose size can be 180mm x 100mm x 6mm. Therefore, we should first solve the problem of copra breaking. We choose hammer crusher, and increase screen size, reduce the number of hammers, and arrange hammers crossover uniformly. Copra has high oil content, so we use chain elevator for the transport of the material after crushing. Also because of the high degree of powder, the import and feed nozzle are easily piled up or even blocked; therefore, the inlet and outlet pipes are designed with observation window, for convenient observation and unchoking.
   3. Flaking: Copra is a high oil content material. if the rolling distance is too small, it is easy to get oil, but after crushing and conveying, the oil has been infiltrated in the surface of material, so they are easy to clot and adhere to roller, resulting in roll feeding difficulties or even blocking; and at the same time, the copra is too dry, hard, tough and has small density, if the rolling distance is too small, the material will be piled between the two rollers. Therefore, the flaking of copra is different from other oil materials, its rolling distance is larger, about 3 to 4.5mm, to avoid the high degree of powder, adhere to roller and unsmooth material discharge.
   4. Steam cooking: Due to the continuous stirring of steam cooking machine, the oil tend to flow out from the copra, and drip down along the principal axes, resulting in waste and workshop environment pollution; at the same time the material is easily clotted and cause difficulty  to transmission. Solution: reduce the degree of material powder, decrease stirring time, and frequently clean up the feeding nozzles of steam cooking machine and elevator, to prevent the build-up of material.
   5. Coconut oil pressing: due to the distinct material properties of copra from common oil materials, if we process it in conventional way, there may result in no feed, no cake out or there is any oil squeezed out at the pressing cage, so the pressing bar clearance needs to be adjusted. When pressing copra, the gap between the pressing bars must be small.
   6. Coconut oil clarifying & filtering: copra has high fiber content, so the crude coconut oil contains too many dregs. In order to reduce the filter burden, in the coconut oil production process we add a oil clarifying process, so that the dregs directly go back to the oil press for  re-pressing.

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