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Raw material filtering device for supercritical extraction pretreatment

A filtration device and pretreatment technology, applied in the field of raw material filtration devices for supercritical extraction pretreatment, can solve the problems of filter screen clogging, reduced filtration effect, poor filtration effect, etc., so as to reduce the possibility of clogging and enhance the filtration effect Effect

Active Publication Date: 2021-10-15
JIANGSU GAOKE PHARM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] At present, during the supercritical extraction of Chinese herbal medicines, the raw materials of Chinese herbal medicines need to be pretreated by cleaning, drying, smashing and filtering. Blockage affects its use and greatly reduces the filtering effect

Method used

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  • Raw material filtering device for supercritical extraction pretreatment
  • Raw material filtering device for supercritical extraction pretreatment
  • Raw material filtering device for supercritical extraction pretreatment

Examples

Experimental program
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Effect test

Embodiment

[0033] see Figure 1-4 , a raw material filtering device for supercritical extraction pretreatment, comprising a filter cartridge 1, the lower end of the filter cartridge 1 is fixedly connected with two pairs of left and right symmetrical support legs, the outer end of the filter cartridge 1 is rotatably connected with a sealing cover plate 2, and the sealing cover The upper end of the plate 2 is fixedly connected with a handle 3, and the upper end of the sealing cover plate 2 is dug with a feed inlet, and a sealing plug 4 is connected to the inside of the feed inlet, and the outer end of the filter cartridge 1 is fixedly connected with a discharge pipe 5, and the discharge pipe 5 communicates with the inside of the filter cartridge 1, a valve 6 is installed on the outer end of the discharge pipe 5, an annular collection frame 7 is fixedly connected to the inner wall of the filter cartridge 1, and an annular filter screen 8 is slidingly connected between the inner walls of the ...

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Abstract

The invention discloses a raw material filtering device for supercritical extraction pretreatment, and belongs to the technical field of supercritical extraction. After a raw material liquid enters a filter cartridge, residues in the raw material liquid are filtered out through an annular filter screen, so that the raw material liquid falls down to collide with a lotus leaf membrane to drive a carbon dioxide aqueous solution to fluctuate; carbon dioxide gas is promoted to overflow into the expansion air bag, so that the expansion air bag expands to extrude the elastic film to hunch up, raw material liquid and residues on the surface of the expansion air bag are promoted to roll down to be filtered, part of the carbon dioxide gas enters the L-shaped pipe to extrude the piston to move upwards, magnetic insulation powder enters the magnetic insulation sleeve, and the magnetic influence of the single-face magnetic rod at the magnetic insulation sleeve is shielded; and the single-sided magnetic rods at other positions are attracted by the magnet blocks, move close to the magnet blocks and drive the rotating disc to rotate slowly, so that the annular filter screen is driven to rotate, residues on the surface of the annular filter screen are thrown to the annular collecting cylinder through centrifugal force of rotation, the possibility of blockage of the annular filter screen is reduced, and the filtering effect is enhanced.

Description

technical field [0001] The invention relates to the technical field of supercritical extraction, in particular to a raw material filtering device for supercritical extraction pretreatment. Background technique [0002] Supercritical is a supercritical fluid, which is a state of matter that is neither gaseous nor liquid between gas and liquid. This substance can only exist when its temperature and pressure exceed the critical point, and its viscosity is relatively high. It is close to gas. In the pharmaceutical industry, it can be used to extract the active ingredients of Chinese herbal medicine. It is carried out by using the relationship between the dissolving ability of supercritical fluid and its density, that is, using the influence of pressure and temperature on the dissolving ability of supercritical fluid. state, the supercritical fluid is contacted with the substance to be separated, so that it selectively extracts the components of polarity, boiling point and molecu...

Claims

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Application Information

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IPC IPC(8): B01D33/15B01D33/56B01D33/52B01D33/76B01D11/02
CPCB01D33/15B01D33/56B01D33/52B01D33/76B01D11/0203
Inventor 沈立华吴进富
Owner JIANGSU GAOKE PHARM EQUIP CO LTD
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