Continuous countercurrent extraction desolventizing system and process

An extraction and countercurrent technology, which is applied to the continuous countercurrent extraction and desolvation system and process field, can solve the problems of unsatisfactory solvent penetration effect and inability to guarantee extraction effect, etc. Effect

Pending Publication Date: 2022-07-15
上海永鸿机电设备科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the drag-chain type extractor is only used for extraction, and the powder material does not have a wetting process in the early stage, and the penetration effect of the solvent (mixed oil) in the material is often not ideal, and the extraction effect cannot be guaranteed.

Method used

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  • Continuous countercurrent extraction desolventizing system and process
  • Continuous countercurrent extraction desolventizing system and process

Examples

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Embodiment

[0024] like figure 1 As shown, a continuous countercurrent extraction and desolvation system includes a raw material tank, a conveyor 1 connected to the raw material tank, a jacket is provided outside the conveyor 1, and a heat exchange medium is introduced into the jacket, and the conveyor 1 exits The feeder 2 connected to the feeder 2, the horizontal multistage countercurrent extractor 3 connected to the feeder 2, the horizontal multistage countercurrent extractor 3 is directly connected with the drag chain extractor 5 or through the extrusion separator 4. Divide the material into solid and liquid, the solid material is connected with the drag chain extractor 5, the liquid material is sent to the upper level horizontal extractor for cyclic extraction through the extraction liquid circulating pump 6, and the drag chain extractor 5 is provided with a solvent inlet, The solvent or the collected mixed liquid is set in the reverse direction of the material flow in the drag chain ...

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Abstract

The invention belongs to the technical field of material extraction, and particularly discloses a continuous counter-current extraction desolventizing system and a continuous counter-current extraction desolventizing process, which are suitable for squeezing fish meal, palm kernel cakes, tea seed cakes, saponin polysaccharide extracted from tea seed cakes, pigment extracted from corn protein powder and the like, and comprise a conveyor, a feeder connected with the conveyor, and a horizontal multi-stage counter-current extractor connected with the feeder, a discharge hole of the horizontal multi-stage counter-current extractor is directly connected with the drag chain type extractor or is extruded by the extrusion separator, a solid is connected with the drag chain type extractor, and a liquid is conveyed to the last stage for cyclic extraction through the extract circulating pump; a material outlet in the bottom of the extraction device is conveyed to a desolventizing machine through a scraper conveyor or passes through an extrusion separator and then is conveyed to the desolventizing machine through the scraper conveyor, liquid is conveyed to the last-stage extraction section for circulation through a solvent circulating pump, and an outlet of the desolventizing machine is conveyed to a finished product warehouse through a conveyor. And the permeation effect of the solvent in the material is good.

Description

technical field [0001] The invention belongs to the technical field of material extraction, and in particular relates to a continuous countercurrent extraction and desolvation system and a process. Background technique [0002] The traditional extraction process generally adopts the method of drag chain extractor or vertical mixing extractor + inclined bucket extractor to extract powdery materials. Since the vertical mixing extractor + inclined bucket extractor is a tank that communicates up and down, it is difficult for the mixed oil to form a concentration gradient in the extractor, and the sedimentation speed of the material in the solvent is difficult to control. During the process, the material and the mixed liquid are scraped and scooped into the bucket. During the process, the material settles in the lower part of the bucket, and the mixed liquid is in the upper part of the bucket. The mixed liquid in the bucket in the upper draining section cannot be separated, and t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D11/02
CPCB01D11/0284
Inventor 张永太曹杨
Owner 上海永鸿机电设备科技有限公司
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