CN108264575B

CN108264575B - Polysaccharide extraction device and extraction method for cordyceps sinensis and dried ginseng

Info

Publication number: CN108264575B
Application number: CN201810038994.4A
Authority: CN
Inventors: 牛惠玲
Original assignee: Urumqi Lvbaokang Agricultural Services Co ltd
Current assignee: Xi'an quanao Biotechnology Co.,Ltd.
Priority date: 2018-01-16
Filing date: 2018-01-16
Publication date: 2020-12-29
Anticipated expiration: 2038-01-16
Also published as: CN108264575A

Abstract

The invention discloses a polysaccharide extraction device for cordyceps sinensis ginseng stems, which comprises a crushing mechanism, a water extraction mechanism and an alcohol precipitation mechanism which are connected in series, wherein the crushing mechanism comprises a first shell, a metal sleeve is arranged on the inner wall of the first shell, the first shell and the metal sleeve are in clearance fit, a plurality of first through holes are formed in the metal sleeve, a first stirring shaft is arranged in the center of the first shell, a crushing blade is fixed on the first stirring shaft, a sleeve is sleeved in the first through holes, the length of the sleeve is greater than that of the first through holes, an arc-shaped through groove is formed in one end, located on the outer side of the metal sleeve, of the sleeve, a flaring is formed in one end, located on the inner side of the metal sleeve, and an air injection pipe is arranged. The invention can improve the defects of the prior art and improve the extraction rate of the cordyceps sinensis ginseng polysaccharide.

Description

Polysaccharide extraction device and extraction method for cordyceps sinensis and dried ginseng

Technical Field

The invention relates to the technical field of deep processing of cordyceps sinensis ginseng stems, in particular to a polysaccharide extraction device and an extraction method for cordyceps sinensis ginseng stems.

Background

Cordyceps sinensis is a fleshy annular ginseng with 5-6 cm underground stem length, belongs to labiate herbaceous plants, and has plant height of 50-70 cm. The fertilizer is widely distributed in all parts of the country, is fond of warm and humid environment, is cold-resistant, moisture-resistant and heat-resistant, is suitable for being planted in sunny, humid and deep soil layer soil, and can also be interplanted among fruit tree rows. Has more than 20 trace elements needed by human body, also has special curative effect of inhibiting the diffusion of esophagus cancer cells and losing weight, and enjoys the name of the king in mountain. Wherein, the cordyceps ginseng polysaccharide has good capability of eliminating superoxide anion, hydroxyl free radical and DPPH free radical. The extraction of the cordyceps sinensis ginseng polysaccharide generally adopts a water extraction and alcohol precipitation method, but the extraction rate of the cordyceps sinensis ginseng polysaccharide is not high by the existing extraction method.

Disclosure of Invention

The invention aims to provide a polysaccharide extraction device for cordyceps sinensis ginseng dried and an extraction method thereof, which can solve the defects of the prior art and improve the extraction rate of cordyceps sinensis ginseng polysaccharide.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows.

A polysaccharide extraction device for Cordyceps dried Ginseng radix comprises a pulverizing mechanism, a water extraction mechanism and an alcohol precipitation mechanism connected in series,

the crushing mechanism comprises a first shell, a metal sleeve is arranged on the inner wall of the first shell, the first shell is in clearance fit with the metal sleeve, a plurality of first through holes are formed in the metal sleeve, a first stirring shaft is arranged in the center of the first shell, crushing blades are fixed on the first stirring shaft, a sleeve is sleeved in the first through holes, the length of the sleeve is larger than that of the first through holes, an arc-shaped through groove is formed in one end, located on the outer side of the metal sleeve, of the sleeve, an expanding opening is formed in one end, located on the inner side of the metal sleeve, of the sleeve, and an air jet pipe is arranged between the first;

the water extraction mechanism comprises a second shell, an annular cavity is arranged in the second shell, an ultrasonic generator is arranged in the annular cavity, a plurality of second through holes are formed in the surface of the annular cavity, a second stirring shaft is arranged on the inner side of the annular cavity, and stirring blades are fixed on the second stirring shaft;

alcohol precipitation mechanism includes the third shell, is provided with the baffle in the third shell, and the center of baffle is provided with the third through-hole, is provided with the impeller in the third through-hole, and the impeller is connected with the third (mixing) shaft, and the edge of baffle is provided with a plurality of fourth through-hole, and the bottom of third shell is provided with cooling coil, and the top of third shell is provided with the heater.

Preferably, the top surface of the crushing blade is provided with a spoiler, and the edge of the spoiler is provided with a plurality of notches.

Preferably, a groove is formed in the inner side of the annular cavity, and a plurality of guide vanes are arranged in the groove.

Preferably, a plurality of fifth through holes are formed in the stirring blade, and the axis of each fifth through hole is parallel to the guide vane.

Preferably, the grooves are provided with corrugated sheets inside.

The extraction method of the polysaccharide extraction device for the cordyceps sinensis ginseng stems comprises the following steps:

A. putting the dried cordyceps sinensis into a crushing mechanism, and crushing by using the rotation of a crushing blade;

B. putting the crushed dry cordyceps sinensis and ginseng powder into a water extraction mechanism, and injecting water into the water extraction mechanism, wherein the mass ratio of the water to the dry cordyceps sinensis and ginseng powder is 130: 1; the working frequency of the ultrasonic generator is 65kHz, and the working power of the ultrasonic generator is 100W; stirring the water body by the stirring blade while performing ultrasonic crushing;

C. injecting the water solution containing the cordyceps sinensis ginseng polysaccharide into an alcohol precipitation mechanism, adding ethanol to ensure that the ethanol content of the water solution in the alcohol precipitation mechanism is 70 wt%, the cooling temperature of a cooling coil is 17 ℃, the heating temperature of a heater is 55 ℃, and the cordyceps sinensis ginseng polysaccharide is gradually separated out in a third shell through stirring of an impeller;

D. and D, drying the cordyceps sinensis and ginseng polysaccharide precipitate separated out in the step C.

Adopt the beneficial effect that above-mentioned technical scheme brought to lie in: the invention improves the processing equipment of the cordyceps sinensis ginseng dry powder, and improves the contact frequency and the uniformity of the cordyceps sinensis ginseng dry powder and the crushing blade by utilizing the circular flow of the cordyceps sinensis ginseng dry powder in the sleeve. The spoiler can make a 'low pressure region' at the rear side of the crushing blade by using the high-speed rotation of the crushing blade, so that more cordyceps sinensis ginseng dry powder enters the cutting region of the crushing blade, and the crushing effect is improved. The water extraction mechanism further improves the solubility of the cordyceps sinensis and ginseng dry powder and water by using ultrasonic waves. In the rotating process of the stirring blade, the flow direction of water flow is the same as the direction of the blade flow deflectors in the groove, so that the circulating speed of the water flow inside and outside the annular cavity can be increased. The corrugated sheet may enhance the oscillating effect of the water flow entering the annular cavity. In the alcohol precipitation process, a low-temperature region and a high-temperature region are established, so that the precipitation rate of the cordyceps sinensis ginseng polysaccharide can be improved.

Drawings

FIG. 1 is a schematic diagram of one embodiment of the present invention.

FIG. 2 is a block diagram of a shredder mechanism according to an embodiment of the present invention.

Fig. 3 is a structural view of a first via in an embodiment of the present invention.

Fig. 4 is a structural view of a water extraction mechanism according to an embodiment of the present invention.

FIG. 5 is an axial cross-sectional view of an annular cavity in one embodiment of the invention.

Fig. 6 is a structural diagram of an alcohol precipitation mechanism according to an embodiment of the present invention.

In the figure: 1. a crushing mechanism; 2. a water extraction mechanism; 3. an alcohol precipitation mechanism; 4. a first housing; 5. a metal sleeve; 6. a first through hole; 7. a first stirring shaft; 8. a crushing blade; 9. a sleeve; 10. an arc-shaped through groove; 11. flaring; 12. a gas ejector tube; 13. an annular cavity; 14. an ultrasonic generator; 15. a second through hole; 16. a second stirring shaft; 17. a stirring blade; 18. a third housing; 19. a partition plate; 20. a third through hole; 21. an impeller; 22. a third stirring shaft; 23. a fourth via hole; 24. a cooling coil; 25. a heater; 26. a spoiler; 27. a notch; 28. a groove; 29. a guide vane; 30. a corrugated sheet; 31. a recessed portion; 32. a second housing; 33. and a fifth through hole.

Detailed Description

The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description and the description of the attached drawings, and the specific connection mode of each part adopts the conventional means of mature bolts, rivets, welding, sticking and the like in the prior art, and the detailed description is not repeated.

Referring to fig. 1-6, one embodiment of the present invention comprises a pulverization mechanism 1, a water extraction mechanism 2 and an alcohol precipitation mechanism 3 arranged in series,

the crushing mechanism 1 comprises a first shell 4, a metal sleeve 5 is arranged on the inner wall of the first shell 4, the first shell 4 is in clearance fit with the metal sleeve 5, a plurality of first through holes 6 are formed in the metal sleeve 5, a first stirring shaft 7 is arranged in the center of the first shell 4, a crushing blade 8 is fixed on the first stirring shaft 7, a sleeve 9 is sleeved in the first through holes 6, the length of the sleeve 9 is greater than that of the first through holes 6, an arc-shaped through groove 10 is formed in one end, located on the outer side of the metal sleeve 5, of the sleeve 9, a flaring 11 is formed in one end, located on the inner side of the metal sleeve 5, of the sleeve 9, and an air injection pipe 12 is arranged between the first shell 4;

the water extraction mechanism 2 comprises a second shell 32, an annular cavity 13 is arranged in the second shell 32, an ultrasonic generator 14 is arranged in the annular cavity 13, a plurality of second through holes 15 are formed in the surface of the annular cavity 13, a second stirring shaft 16 is arranged on the inner side of the annular cavity 13, and stirring blades 17 are fixed on the second stirring shaft 16;

alcohol precipitation mechanism 3 includes third shell 18, is provided with baffle 19 in the third shell 18, and the center of baffle 19 is provided with third through hole 20, is provided with impeller 21 in the third through hole 20, and impeller 21 is connected with third (mixing) shaft 22, and the edge of baffle 19 is provided with a plurality of fourth through hole 23, and the bottom of third shell 18 is provided with cooling coil 24, and the top of third shell 18 is provided with heater 25.

The top surface of the crushing blade 8 is provided with a spoiler 26, and the edge of the spoiler 26 is provided with a plurality of notches 27.

A groove 28 is arranged inside the annular cavity 13, and a plurality of guide vanes 29 are arranged in the groove 28.

A plurality of fifth through holes 33 are arranged in the stirring blade 17, and the axes of the fifth through holes 33 are parallel to the guide vanes 29.

The grooves 28 are provided with corrugated sheets 30 on the inside.

The corrugated sheet 30 is provided with a recess 31 at a position facing the second through hole 15. The depressions 31 may enhance the interaction of the water flow passing through the second through holes 15 with the corrugated sheets 30, enhancing the oscillating action of the corrugated sheets 30 on the water flow.

A. putting the dried cordyceps sinensis into a crushing mechanism 1, and crushing by using the rotation of a crushing blade 8;

B. putting the crushed dry cordyceps sinensis and ginseng powder into a water extraction mechanism 2, and injecting water into the water extraction mechanism 2, wherein the mass ratio of the water to the dry cordyceps sinensis and ginseng powder is 130: 1; the working frequency of the ultrasonic generator 14 is 65kHz, and the working power of the ultrasonic generator 14 is 100W; while carrying on the ultrasonic pulverization, the stirring blade 17 stirs the water;

C. injecting the water solution containing the cordyceps sinensis ginseng polysaccharide into the alcohol precipitation mechanism 3, adding ethanol to ensure that the ethanol content of the water solution in the alcohol precipitation mechanism 3 is 70 wt%, the cooling temperature of the cooling coil 24 is 17 ℃, the heating temperature of the heater 25 is 55 ℃, and gradually precipitating the cordyceps sinensis ginseng polysaccharide in the third shell 18 by stirring through the impeller 21;

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a polysaccharide extraction element for chinese caterpillar fungus ginseng is dry, is including rubbing crusher structure (1), water extraction mechanism (2) and alcohol precipitation mechanism (3) that the series connection set up, its characterized in that:

the crushing mechanism (1) comprises a first shell (4), a metal sleeve (5) is arranged on the inner wall of the first shell (4), the first shell (4) is in clearance fit with the metal sleeve (5), a plurality of first through holes (6) are formed in the metal sleeve (5), a first stirring shaft (7) is arranged at the center of the first shell (4), a crushing blade (8) is fixed on the first stirring shaft (7), a sleeve (9) is sleeved in the first through holes (6), the length of the sleeve (9) is larger than that of the first through holes (6), an arc-shaped through groove (10) is formed in one end, located on the outer side of the metal sleeve (5), of the sleeve (9), a flared opening (11) is formed in one end, located on the inner side of the metal sleeve (5), of the sleeve (9), and an air injection pipe (12) is arranged between the first shell (4) and the metal sleeve;

the water extraction mechanism (2) comprises a second shell (32), an annular cavity (13) is arranged in the second shell (32), an ultrasonic generator (14) is arranged in the annular cavity (13), a plurality of second through holes (15) are formed in the surface of the annular cavity (13), a second stirring shaft (16) is arranged on the inner side of the annular cavity (13), and stirring blades (17) are fixed on the second stirring shaft (16);

a groove (28) is arranged on the inner side of the annular cavity (13), and a plurality of guide vanes (29) are arranged in the groove (28); a plurality of fifth through holes (33) are arranged in the stirring blade (17), and the axes of the fifth through holes (33) are parallel to the guide vane (29); the inner side of the groove (28) is provided with a corrugated sheet (30);

alcohol precipitation mechanism (3) include third shell (18), are provided with baffle (19) in third shell (18), and the center of baffle (19) is provided with third through-hole (20), is provided with impeller (21) in third through-hole (20), and impeller (21) are connected with third (mixing) shaft (22), and the edge of baffle (19) is provided with a plurality of fourth through-hole (23), and the bottom of third shell (18) is provided with cooling coil (24), and the top of third shell (18) is provided with heater (25).

2. The polysaccharide extraction device for the cordyceps sinensis ginseng stems according to claim 1, wherein the polysaccharide extraction device comprises: the top surface of the crushing blade (8) is provided with a spoiler (26), and the edge of the spoiler (26) is provided with a plurality of notches (27).

3. A cordyceps sinensis dried ginseng polysaccharide extraction method using the polysaccharide extraction device for cordyceps sinensis dried ginseng according to any one of claims 1 to 2, characterized by comprising the steps of:

A. putting the dried cordyceps sinensis into a crushing mechanism (1), and crushing by using the rotation of a crushing blade (8);

B. putting the crushed dry cordyceps sinensis and ginseng powder into a water extraction mechanism (2), and injecting water into the water extraction mechanism (2), wherein the mass ratio of the water to the dry cordyceps sinensis and ginseng powder is 130: 1; the working frequency of the ultrasonic generator (14) is 65kHz, and the working power of the ultrasonic generator (14) is 100W; the stirring blades (17) stir the water body while carrying out ultrasonic crushing;

C. injecting the water solution containing the cordyceps sinensis ginseng polysaccharide into the alcohol precipitation mechanism (3), adding ethanol to ensure that the ethanol content of the water solution in the alcohol precipitation mechanism (3) is 70 wt%, the cooling temperature of the cooling coil (24) is 17 ℃, the heating temperature of the heater (25) is 55 ℃, and gradually separating the cordyceps sinensis ginseng polysaccharide out of the third shell (18) through stirring of the impeller (21);