Method for extracting lipid component
A lipid and extraction tank technology, which is applied in chemical instruments and methods, fat production, and fat substance recovery, can solve problems such as high equipment requirements, flammability and explosion, and limited production scale, and achieve stable chemical properties and extraction efficiency. High, good product quality effect
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Embodiment 1
[0018] Take peanuts with an oil content of 43% by weight, go through impurity removal, shelling, drying, and embryo pressing (the temperature of the material should be kept ≤50°C during the process), and then put the embryo flakes into the extraction tank, and vacuumize to below 0.01MPa Finally, add liquefied perfluorocyclobutane that is 1.5 times the weight of the raw material, operate at a temperature of 30°C (operating pressure is the corresponding vapor pressure), and extract a mixture of oil and solvent for 60 minutes each time and 3 times in total; The mixture with the solvent is gasified under reduced pressure, and the gauge pressure reaches 0MPa, and then vacuumizes for precipitation. When the gauge pressure is -0.09MPa and the temperature is 40~50°C, keep for 30 minutes to obtain the precipitated peanut crude oil, which contains residual solvent ≤ 30mg / kg, impurity ≤0.3%.
[0019] The defatted peanut meal containing solvent is decompressed and gasified, and the gauge ...
Embodiment 2
[0021] Take soybeans with an oil content of 19% by weight, remove impurities, peel, dry, crush, soften, and press embryos (the temperature of soybeans should be kept ≤ 60°C during the process), and then put the embryo flakes into the extraction tank and vacuumize to 0.01 When it is below MPa, add liquefied chloroheptafluorobutane twice the weight of the raw material at an operating temperature of 60°C (operating pressure is the corresponding vapor pressure), and extract oil and solvent for 30 minutes each time for a total of 3 extractions The mixture; the oil and solvent mixture is gasified under reduced pressure, and the gauge pressure reaches 0MPa, and then vacuumizes for precipitation. When the gauge pressure is -0.09MPa and the temperature is 50~60°C, keep for 50 minutes to obtain the crude soybean oil containing Residual solubility ≤ 50mg / kg, impurity ≤ 0.3%.
[0022] The solvent-containing defatted soybean meal is decompressed and gasified, and the gauge pressure reaches...
Embodiment 3
[0024] Take hemp seeds with an oil content of 28% by weight, after screening to remove organic and inorganic impurities and magnetic separation to remove metal impurities, dry them with hot air at a temperature of 40~50°C until the water content drops to ≤8% by weight, and use shelling Machine crushing (keep the temperature of the hemp seeds ≤ 50°C during the crushing process), and then screen the crushed hemp seeds with a sieve, the hemp seeds pass through the sieve, and the shells are blocked by the sieve to obtain shelled hemp Seed kernels; use the embryo pressing machine to press the hemp seed kernels into embryo flakes; put the embryo flakes into the extraction tank, vacuumize to below 0.01MPa, add liquefied perfluorocyclopropane twice the weight of the raw materials, and operate at a temperature of 40 ℃ (the operating pressure is the corresponding vapor pressure), after 20 minutes each time, a total of 4 extractions, the oil and solvent mixture is obtained; the oil and so...
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