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Efficient solid-liquid reverse flow extraction device and extraction method
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A leaching and countercurrent technology, applied in the field of high-efficiency solid-liquid countercurrent leaching devices, to achieve the effect of increasing the floor area, realizing automatic operation, and high extraction efficiency
Pending Publication Date: 2018-07-20
上海齐达重型装备有限公司 +1
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There are also disadvantages of single helical extractors
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Embodiment 1
[0042] Embodiment 1 extracts glycyrrhizic acid from licorice
[0043] Glycyrrhiza licorice is crushed into filaments, and 75% ethanolaqueous solution is used as a solvent. Carry out leaching in the UJ-80 type extractor, the rotating speed is 8rpm;
[0044] (1), put the crushed licorice filaments into the feed bin, and adjust the rotating speed of the solid materialpropeller to be 8rpm;
[0045] (2), the aqueous ethanol solution of solvent-75% is put into the solvent storage tank, and is connected with the solvent inlet of the third group stirring device 3, and the flow rate of setting solvent is 25L / h;
[0046] (3), the extraction solution outlet of the first group of stirring devices 1 is connected with the extraction solution storage tank;
[0047] (4), the stirring speed that the first group of stirring device 1, the second group of stirring device 2, the third group of stirring device 3 are set by frequency converter is 8rpm;
[0048] (5), start the motor of the stirr...
Embodiment 2
[0054] Example 2 Extraction of Coenzyme Q10 Cell Broken Body
[0055] In the production process of coenzyme Q10, the leaching of fermented cell crushed powder.
[0056] (1), put the fermented cell crushed powder into the feed bin, and adjust the rotating speed of the solid materialpropeller to 5rpm;
[0057] (2), solvent normal hexane is put into solvent storage tank, and is connected with the solvent inlet of the third group stirring device 3, and the flow rate of setting solvent is 20L / h;
[0058] (3), the extraction solution outlet of the first group of stirring devices 1 is connected with the extraction solution storage tank;
[0059] (4), the stirring speed that the first group of stirring device 1, the second group of stirring device 2, the third group of stirring device 3 are set by frequency converter is 6rpm;
[0060] (5), start the motor of the spiral stirring device;
[0061] (6), open the solvent delivery pump, and make the solvent enter the spiral stirring dev...
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Abstract
The invention relates to an efficient solid-liquid reverse flow extraction device and extraction method. The device comprises a U-shaped solid-liquid reverse flow extraction device consisting of threegroups of stirring devices, wherein a solid material feeding device is arranged at one sides of the stirring devices, arranged at the two sides, of the three groups of stirring devices; a solid material cabin is arranged above the feeding device; an extraction liquid outlet is formed under the feeding device; a solid residue discharging opening is formed in the other sides of the stirring devices, arranged at the two sides, of the three groups of stirring devices; a solvent inlet is formed under the discharging opening of the solid residue; a transmission device is arranged on the three groups of stirring devices. The spiral length limitation incapable of being realized by single spiral and double spirals is lengthened by using the U-shaped structure; the defect of separation requirementof the single spiral and the double spirals is overcome; the spiral length is increased; the occupied area is not increased. The device is a novel efficient extraction device suitable for solid-liquidcontinuous reverse flow extraction. The structure is compact; the operation is simple; the work intensity is low; the automatic operation can be realized.
Description
technical field [0001] The invention relates to a leaching device and a leaching method, in particular to a highly efficient solid-liquid countercurrent leaching device with compact structure, simple operation, low labor intensity and automatic operation. Background technique [0002] Solid-liquid extraction, also known as leaching, is a unit operation in which a solvent is used to extract soluble components from solid raw materials. The raw material for leaching is mostly a mixture of solute and insoluble solid. The solute is the soluble component required for leaching. Generally, the insoluble solid in the solvent is called carrier or inert substance. [0003] Solid extraction is widely used in hydrometallurgy, food industry, chemical industry and traditional Chinese medicinepharmaceutical industry to obtain a concentrated solution of components with application value or to remove soluble substances contained in insoluble solids. For example, metal ores are always multi-...
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