Palm oil processing and palm oil mill
Palm oil is an edible vegetable oil derived from the mesocarp (reddish pulp) of the fruit of the oil palms. It is naturally reddish in color because of a high beta-carotene content. Palm mesocarp oil is 49% saturated, while palm kernel oil is 81% saturated fats. However, crude red palm oil that has been refined, neutralized, bleached and deodorized, a common commodity called RBD (refined, bleached, and deodorized) palm oil, does not contain carotenoids.The palm oil is used in food manufacturing, in beauty products, and as biofuel.
Dingsheng Machine provide efficient solutions for palm oil processing and equipment, our technical experts provide technical guidance, service and training from equipment selection to proposal design when you have a project plan for palm oil mill. Contact us now to learn more about how our solutions and equipment can help you achieve long-term, reliable, and more profitable operations.
For small-scale palm processing farmers, Dingsheng Machine has designed single-screw and double-screw palm fruit oil press, which can process 1ton, 5 tons, 10 tons and 15 tons of palm fruit per hour. Reliable palm oil press machine with simple operation, gaining a good reputation in Africa and South America.
The main products of the palm fruit plant are palm kernels and crude palm oil, and the processing capacity is about 60 to 100 tons of palm fruit bunches per hour.
For palm kernels processing, after pressing and separating, they also go through processes such as kernel/fiber separation, kernel conditioning, kernel crushing, kernel separation, and palm kernel drying. The dried palm kernels are sold to palm kernel mills to extract palm kernel oil.
For crude palm oil processing, it generally required complete processes such as sterilization, threshing, cooking, pressing, washing, purification, and drying.
Solutions
Solutions of our professional solutions for palm oil processing equipment
Sterilization as the first step in palm fruit pressing is critical to the quality of the final production– palm oil. The purpose of sterilization process is, inactivate the activity of lipase and prevent the rise of free fatty acids; make the palm fruit easier to fall off from the fruit bunch; and soften the peel and make the oil easier to separate out. Continuous sterilization process improved efficiency and reduces labor and energy consumption.
Threshing:The sterilized palm fruit bunches will be transported into the drum thresher, and the palm fruit will be separated from the stem as the drum rotates. The stalk does not contain any oil, so the losses in the threshing process mainly come from the palm fruit still attached to the stalk after threshing.
The threshed palm fruit will be transported to the cooking pot, where it is reheated with direct or indirect steam. A central shaft with stirring fins is installed in the cooking pot, the palm fruit is stirred, and the pulp is fluffy and peeled from the core at high temperature. The mixture is then fed into the pressing equipment.
The pressing process required to extract the palm oil from the pulp to the maximum extent without breaking the kernels, because the palm kernel oil after the broken kernels will contaminate the crude palm oil and affect the quality. The use of secondary or multiple pressing processes can effectively reduce the breakage rate of nuts.
The mixture in the clarification tank is crude palm oil, water and a small amount of solid particles. The traditional method of clarification is to use gravity separation. The mixture will be heated to 85~90°C and then allowed to settle for 1~3 hours. The oil on the surface will be sent to a centrifuge to further remove impurities in the oil, and then sent to vacuum drying. The slag at the bottom of the clarification tank will also enter the centrifuge to recover the crude palm oil inside, and finally it will be vacuum dried and cooled to about 45 ℃ for storage.
Crude palm oil into edible oil requires refining process, by removing gums, oxides, color and odor from the crude oil. The refining process includes degumming, deacidification, decolorization and deodorization, obtaining high quality refined palm oil.
Palm oil fractionation equipment can separate palm oil into soft fat and hard fat by controlling the cooling and crystallization process of palm oil. The melting point of hard fat is 50°C and the melting point of soft fat is 24°C. There are three common palm oil fractionation temperatures: 18°C, 24°C, and 36°C. Dingsheng Machine adopts the palm oil dry extraction process. The new palm oil extraction complete sets of equipment include new type crystallizing tanks, diaphragm filters, and PLC automatic control systems. This cooling crystallization process improves the yield of liquid oil, with lower steam consumption and higher automation degree.
Dingsheng Machine provides waste water treatment equipment, the treated sewage (waste water) can reach COD<80mg/L, BOD<10mg/L, ammonia nitrogen<10mg/L, SS<10mg /L, while meets the discharge standards for palm oil plant.
