Pressing-low-temperature continuous phase-change castor oil extraction method
A low-temperature continuous phase change, castor oil technology, applied in the direction of fat oil/fat production, fat production, etc.
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Embodiment 1
[0030] Embodiment 1: a kind of pressing---the method for continuous phase change extraction castor oil, comprises the following steps:
[0031] (1) Select high-quality castor beans (50% oil content) after removing impurities, squeeze out 60% oil, dry at 60°C, control the moisture content to ≤6%, and crush to 20 meshes. Obtain castor bean raw material.
[0032] (2) Weigh 10kg of the processed castor bean raw material, put it into the extraction kettle of the continuous phase change extraction device, feed it with n-butane, and put the The n-butane is compressed into a liquid, and flows through the extraction kettle at a certain flow rate. After extracting the castor oil, it enters the analysis kettle, and the n-butane phase changes into a gas by heating and decompression, and then becomes a liquid through compression, and flows through the The extraction kettle is used to extract the material again for recycling, and the extracted castor oil is stored in the analysis kettle, a...
Embodiment 2
[0033] A kind of pressing of embodiment 2---the method for continuous phase change extraction castor oil, comprises the following steps:
[0034] (1) Select high-quality castor beans (50% oil content) after removing impurities, squeeze out 60% of the oil, dry at 60°C, control the moisture content to ≤6%, and crush to 40 meshes. Obtain castor bean raw material.
[0035] (2) Weigh 10kg of the processed castor bean raw material, put it into the extraction kettle of the continuous phase-change extraction device, and feed high-purity isobutane (R600a), at a temperature lower than that of high-purity isobutane (R600a). Under the conditions of critical pressure and critical temperature, high-purity isobutane (R600a) is compressed into a liquid, and flows through the extraction kettle at a certain flow rate. After extracting castor oil, it enters the analysis kettle, and the high-purity isobutane is made by heating and reducing pressure. Isobutane (R600a) is phase-changed into a gas,...
Embodiment 3
[0036] Embodiment 3 A kind of pressing---the method for continuous phase change extraction castor oil, comprises the following steps:
[0037](1) Select high-quality castor beans (50% oil content) after removing impurities, squeeze out 60% of the oil, dry at 60°C, control the moisture content to ≤6%, and crush to 60 meshes. Obtain castor bean raw material.
[0038] (2) Weigh 10kg of the processed castor bean raw material, put it into the extraction kettle of the continuous phase change extraction device, feed R134a, and compress R134a into a liquid under the condition that the critical pressure and critical temperature of R134a are always lower than that of R134a , flows through the extraction kettle at a certain flow rate, extracts the castor bean oil, enters the desorption kettle, makes R134a phase change into gas by heating and decompression, and then becomes liquid through compression, flows through the extraction kettle, and extracts the material again , recycle, the ext...
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