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How to Ensure the Oil Production Rate of Groundnut Oil Press

The groundnut oil press is generally divided into vertical oil top type oil press and screw oil press. Peanut is crushed, selected (to separate peanut from the shell), stir-fried to 6-8 maturity and then physical pressed by oil press. The pressed product of groundnut oil press is peanut oil and peanut residue. Peanut residue is edible. Groundnut oil press can ensure the oil yield of groundnut oil press in four steps. Let's share with you.

1. Harvest at the right time. The peanuts used for seed retention are harvested earlier than those used for oil extraction. For the peanut harvested at the right time, the inner membrane of the shell is white and the seed viability is strong; the top of the plant has stopped growing, the upper leaves are yellow, the middle and lower leaves fall off, the stem is yellow and there are irregular long black spots. At this time, most of the pods planed out have obvious reticulation and full seed kernel. Generally, the early varieties and barren plots are collected first, the late varieties and the plots with sufficient water and fertilizer are collected later. The germination rate of pods harvested in wet soil was higher than that harvested in dry soil.

2. Select and keep seeds. When picking the fruit, you should remove the miscellaneous and inferior, the dead plant pods, the sprouted pods, the seeded pods and the tender ones. Most of these fruits are pitiful and dead embryo fruits, which can neither sprout nor mildew easily and can not be used for seed.

3. Sunseed. The moisture content of newly harvested peanut fruit is generally 45-50%, which is too high. To ensure the quality and safe storage of peanut seeds, after harvest, the seedlings should be turned upside down and dried in the field, and then transported to the solar farm to pick pods two days later. In the process of seed drying, rain and heat should be prevented. Hot seeds can't germinate. If it rains, don't pile up pods or put them into baskets. This will make the seeds hot. The right way is to spread peanuts thin on the interior of the house to dry so that the water will slowly dissipate. When drying seeds, the field should be turned frequently. When there is a noise in shaking the pods and the teeth bite the pods, turn them over for another day, peel off the shells and bite the nuts with the teeth. When the seed coat is easily removed by hand rubbing, the seeds can be put into storage. At this time, the moisture content of the seeds is generally about 10%.

4. Storage. The best way to store peanuts is to use a clean tank. Put the cylinder on the ground and pad bricks under the cylinder before planting. First, sprinkle a layer of hay ash in the jar, then pour in the newly dried pods. After 6 hours, sprinkle a layer of hay ash about 10 cm thick on the peanut seeds, and then seal the cylinder head.

The oil press can be widely used in rural oil processing and on-site processing and production of urban grain and oil market and can complete a working cycle in an hour. Once squeezed, consumers can get the oil products quickly, without further processing and filtering, they can eat it and there is no adulteration in the processed oil products, with high reliability.

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