Production method of originally-ecological cold pressing peanut oil

Abstract

The invention discloses a production method of originally-ecological cold pressing peanut oil and relates to a production technology of vegetable oil materials. In the production method, a low-temperature cold pressing production process is used, the process from the feeding of raw materials into the production line to the peanut oil extraction is a continuous production line, the raw materials are quickly dried and cooled and are subjected to the low-temperature cold pressing by a twin-screw oil press for two times; and peanut kernels are chosen after removing red skin. The production method comprises the following process steps of choosing, grading, drying and cooling, removing red skin, crushing, softening to extract grease, primary cold pressing, secondary cold pressing, primary filtration and secondary filtration, so the finished product of peanut oil can be obtained. The invention has the advantages of strong continuousness of process flow, low temperature of production process and high oil yield; and in addition, nutrients of peanut oil and peanut cakes are not influenced and the original flavor can be retained.

Description

Technical field: [0001] The invention relates to a plant oil production technology, in particular to a production method of raw ecological peanut oil. Background technique [0002] There are two types of vegetable oil production methods that we currently use: one is to extract oil by pressing, and the other is to extract oil by leaching. The pressing method is divided into cold pressing and hot pressing. The following problems exist in the production of similar industries: [0003] 1. Due to intermittent production, the materials processed by each equipment need to be stored, and the storage time is prolonged, resulting in an unbalanced temperature of the materials. ①The materials on the surface become brittle after being cooled by heat treatment, and a large amount of oil residue appears in the production process. ② The internal materials are heated for a long time, which destroys the nutrients in the peanut oil, causing the unsaturated fatty acids to become saturated fatt...

AI Technical Summary

Problems solved by technology

[0003] 1. Due to intermittent production, the materials processed by each equipment need to be stored, and the storage time is prolonged, resulting in an unbalanced temperature of the materials. ①The materials on the surface become brittle after being cooled by heat treatment, and a large amount of oil residue appears in the production process. ②The internal materials are heated for a long time, so that the nutrients in the peanut oil are destroyed, resulting in unsaturated fatty acids becoming saturated fatty acids, thereby reducing the nutritional components of peanut oil

[0004] 2. The drying equipment in the prior art is heating→storage→cooling, which cannot be continuously produced and operated, which affects the nutrition of peanut oil and increases the production cost

[0005] 3. Similar industries all use small steaming and frying pans installed on oil presses. ① Due to the low softening temperature and short softening time, the required time cannot be reached during the steaming and softening process of materials, resulting in impermeable softening of materials, thereby reducing The oil yield is improved; ②The material is not softened well, which causes the material to be brittle, and powder appears during the oil extraction process, and a large amount of oil residue appears in the peanut oil, which brings a large load to filtration and production.