CN108465267B

CN108465267B - Supercritical extraction equipment for pharmacy

Info

Publication number: CN108465267B
Application number: CN201810603958.8A
Authority: CN
Inventors: 倪菁菁
Original assignee: Nantong Huaan Super Critical Extraction Co ltd
Current assignee: NANTONG HUAAN SUPER CRITICAL EXTRACTION Co.,Ltd.
Priority date: 2018-06-12
Filing date: 2018-06-12
Publication date: 2020-08-11
Anticipated expiration: 2038-06-12
Also published as: CN108465267A

Abstract

The invention discloses supercritical extraction equipment for pharmacy, which comprises a base, wherein a first supporting leg is welded on one side of the top end of the base, an extraction tank is fixedly installed on the top end of the first supporting leg, a medicine inlet pipe is connected on one side of the extraction tank, an air inlet pipe is connected to the bottom of the extraction tank and extends into the extraction tank, a connecting pipe is connected to the other side of the extraction tank and is connected with a separation tank, the bottom end of the separation tank is welded on the other side of the top end of the base through a second supporting leg, a medicine outlet pipe is connected to the bottom of the separation tank, a separation cavity is arranged in the separation tank, and the separation cavity is communicated with the connecting pipe. According to the invention, the spray disk with the disk-shaped structure and the spray heads uniformly distributed on the circumference of the spray disk are arranged, so that the coverage area of the sprayed supercritical carbon dioxide fluid is larger, the extraction mixing work is greatly accelerated, and the work efficiency is improved.

Description

Supercritical extraction equipment for pharmacy

Technical Field

The invention relates to the field of pharmacy, in particular to supercritical extraction equipment for pharmacy.

Background

The supercritical fluid is a supercritical fluid, is a substance which is not a gas or a liquid and is between a gas and a liquid, can exist only when the temperature and the pressure of the substance exceed critical points, has higher density similar to a liquid, has viscosity close to that of the gas, and needs to be extracted by using supercritical extraction equipment in the process of pharmacy, but the existing supercritical extraction equipment has lower extraction mixing efficiency of a supercritical carbon dioxide fluid and a liquid medicine when extracting, and has slow separation efficiency after extraction, so the supercritical fluid cannot meet the requirements.

Disclosure of Invention

The invention aims to provide supercritical extraction equipment for pharmacy, which aims to solve the problems that when the existing supercritical extraction equipment is used for extraction, the extraction mixing efficiency of supercritical carbon dioxide fluid and liquid medicine is low, and the separation efficiency after extraction is low.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a supercritical fluid extraction equipment for pharmacy, includes the base, the welding of top one side of base has first stabilizer blade, the top fixed mounting of first stabilizer blade has the extraction jar, one side of extraction jar is connected with into the pencil, the bottom of extraction jar is connected with the intake pipe, just the intake pipe extends to in the extraction jar, the opposite side of extraction jar is connected with the connecting pipe, the connecting pipe is connected with the knockout drum, the bottom of knockout drum is passed through the second stabilizer blade and is welded the top opposite side of base, the bottom of knockout drum is connected with out the pencil, be equipped with the disengagement chamber in the knockout drum, just disengagement chamber and connecting pipe intercommunication, be equipped with the cooling chamber on the jar wall of knockout drum, the top fixed mounting of knockout drum has the water tank, one side of water tank is connected with the inlet tube, the inlet tube communicates with one side of cooling chamber, the opposite side of water tank, the top of the separation cavity is communicated with an air outlet pipe.

Preferably, one end of the air inlet pipe is fixedly provided with a spray plate, and the spray plate is of a disc-shaped structure.

Preferably, the top of spouting the dish is provided with a plurality of shower nozzles, just circumference equidistance distributes between the shower nozzle.

Preferably, one end of the return pipe is communicated with the other side of the cooling cavity, and the return pipe is provided with a water cooler.

Preferably, the installation sleeve is installed at one end of the air outlet pipe, and an air bag is arranged on the installation sleeve.

Preferably, a plurality of lugs are arranged on the outer side wall of the separation cavity, and the lugs are distributed at equal intervals.

Compared with the prior art, the invention has the beneficial effects that: according to the invention, the spray disk with the disk-shaped structure and the spray heads uniformly distributed on the circumference of the spray disk are arranged, so that the coverage area of the sprayed supercritical carbon dioxide fluid is larger, the extraction mixing work is greatly accelerated, and the work efficiency is improved; the cooling cavity is arranged, so that the mixture in the separation cavity can be rapidly cooled by the cooling cavity, and the separation of carbon dioxide in the mixture is accelerated; the air bag is arranged on the mounting sleeve of the air outlet pipe, so that the separated carbon dioxide can be collected, and the greenhouse effect caused by direct emission of the carbon dioxide is avoided; the water cooler is arranged on the return pipe, so that the cooling water can be recycled, and water resources are saved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a sectional view showing the structure of the separation tank of the present invention.

In the figure: 1. a base; 2. an extraction tank; 3. a separation tank; 4. an air inlet pipe; 5. a first leg; 6. spraying a disc; 7. a spray head; 8. a medicine inlet pipe; 9. a connecting pipe; 10. a second leg; 11. a medicine outlet pipe; 12. a return pipe; 13. a water cooler; 14. an air outlet pipe; 15. installing a sleeve; 16. an air bag; 17. a water tank; 18. a water inlet pipe; 19. a cooling chamber; 20. a bump; 21. a separation chamber.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, in the embodiment of the present invention, a supercritical extraction apparatus for pharmacy includes a base 1, a first support leg 5 is welded on one side of the top end of the base 1, an extraction tank 2 is fixedly installed on the top end of the first support leg 5, a drug inlet pipe 8 is connected on one side of the extraction tank 2, a gas inlet pipe 4 is connected to the bottom of the extraction tank 2, the gas inlet pipe 4 extends into the extraction tank 2, a spray plate 6 is fixedly installed at one end of the gas inlet pipe 4, the spray plate 6 is a disc-shaped structure, a plurality of spray heads 7 are installed on the top end of the spray plate 6, the spray heads 7 are circumferentially and equidistantly distributed, a coverage area of sprayed carbon dioxide fluid is increased, extraction mixing work is accelerated, a connecting pipe 9 is connected to the other side of the extraction tank 2, the connecting pipe 9 is connected to a separation tank 3, the bottom end of the separation tank 3 is welded on, a separation cavity 21 is arranged in the separation tank 3, the separation cavity 21 is communicated with the connecting pipe 9, a plurality of convex blocks 20 are arranged on the outer side wall of the separation cavity 21, the convex blocks 20 are distributed at equal intervals, the contact area is increased, the cooling speed is accelerated, the separation efficiency is improved, a cooling cavity 19 is arranged on the tank wall of the separation tank 3, a water tank 17 is fixedly arranged at the top end of the separation tank 3, one side of the water tank 17 is connected with a water inlet pipe 18, the water inlet pipe 18 is communicated with one side of the cooling cavity 19, the other side of the water tank 17 is connected with a return pipe 12, one end of the return pipe 12 is communicated with the other side of the cooling cavity 19, a water cooler 13 is arranged on the return pipe 12, the cooling water is recycled, water resources are saved, an air outlet pipe 14 is communicated with the top of the separation cavity 21, an installation sleeve, avoiding causing greenhouse effect.

The working principle of the invention is as follows: when the extraction device works, firstly, the medicine to be extracted is added into the extraction tank 2 from the medicine inlet pipe 8, the supercritical carbon dioxide fluid is introduced into the spray tray 6 through the air inlet pipe 4, and is sprayed into the medicine liquid in the spray head 7, the mixture is mixed and extracted by the extraction tank 2, after the extraction work is finished, the mixture is introduced into the separation cavity 21 through the connecting pipe 9, the cooling water in the water tank 17 is introduced into the cooling cavity 19 from the water inlet pipe 18 to reduce the temperature in the separation cavity 21, the lower the temperature is, the higher the separation speed of the carbon dioxide gas in the saturated solution is from the mixed liquid, and is introduced into the air bag 16 through the air outlet pipe 14 to be collected, and the liquid after the carbon dioxide separation flows out of the medicine outlet pipe 11, so that the whole extraction work can be finished.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A pharmaceutical supercritical extraction equipment, includes base (1), its characterized in that: the welding of top one side of base (1) has first stabilizer blade (5), the top fixed mounting of first stabilizer blade (5) has extraction jar (2), one side of extraction jar (2) is connected with into pencil (8), the bottom of extraction jar (2) is connected with intake pipe (4), just intake pipe (4) extend to in extraction jar (2), the opposite side of extraction jar (2) is connected with connecting pipe (9), connecting pipe (9) are connected with knockout drum (3), the bottom of knockout drum (3) is passed through second stabilizer blade (10) welding at the top opposite side of base (1), the bottom of knockout drum (3) is connected with out pencil (11), be equipped with separation chamber (21) in knockout drum (3), just separation chamber (21) and connecting pipe (9) intercommunication, be equipped with cooling chamber (19) on the jar wall of knockout drum (3), the top fixed mounting of knockout drum (3) has water tank (17), one side of water tank (17) is connected with inlet tube (18), one side intercommunication of inlet tube (18) and cooling chamber (19), the opposite side of water tank (17) is connected with back flow (12), the top intercommunication of separation chamber (21) has outlet duct (14).

2. The supercritical extraction apparatus for pharmaceutical use according to claim 1, wherein: one end fixed mounting of intake pipe (4) spouts dish (6), spout dish (6) and be disc structure.

3. A supercritical extraction apparatus for pharmaceutical use according to claim 2 wherein: the top of spouting dish (6) is provided with a plurality of shower nozzles (7), just circumference equidistance distributes between shower nozzle (7).

4. The supercritical extraction apparatus for pharmaceutical use according to claim 1, wherein: one end of the return pipe (12) is communicated with the other side of the cooling cavity (19), and the return pipe (12) is provided with a water cooler (13).

5. The supercritical extraction apparatus for pharmaceutical use according to claim 1, wherein: an installation sleeve (15) is installed at one end of the air outlet pipe (14), and an air bag (16) is arranged on the installation sleeve (15).

6. The supercritical extraction apparatus for pharmaceutical use according to claim 1, wherein: the outer side wall of the separation cavity (21) is provided with a plurality of lugs (20), and the lugs (20) are distributed at equal intervals.