CN106924992B - traditional chinese medicine alcohol extraction draws integrative equipment of quick concentration - Google Patents
traditional chinese medicine alcohol extraction draws integrative equipment of quick concentration Download PDFInfo
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- CN106924992B CN106924992B CN201710326124.2A CN201710326124A CN106924992B CN 106924992 B CN106924992 B CN 106924992B CN 201710326124 A CN201710326124 A CN 201710326124A CN 106924992 B CN106924992 B CN 106924992B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/02—Solvent extraction of solids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
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Abstract
The invention discloses a traditional Chinese medicine alcohol extraction and rapid concentration integrated device, wherein an extracting solution circulating pipeline is connected between a liquid outlet and a liquid inlet of a traditional Chinese medicine extracting tank and is connected with a gas stripping rectifying tower through an extracting solution feeding pipe; a water vapor heating jacket is arranged outside the traditional Chinese medicine extraction tank, the water vapor heating jacket is connected with a water vapor generator through a first steam conveying pipe, and the water vapor generator is connected with a gas stripping rectifying tower through a second steam conveying pipe; the tower kettle of the gas stripping rectifying tower is connected with a concentrated solution collecting tank through a concentrated solution discharge pipe, the top of the gas stripping rectifying tower is connected with a condensation reflux device, the outlet of the condensation reflux device is connected with a reflux pipeline and a tower top ethanol extraction pipe, the reflux pipeline is connected with the gas stripping rectifying tower to form a loop, and the tower top ethanol extraction pipe is connected with an ethanol recovery tank. The invention can realize the rapid and short-time concentration of the traditional Chinese medicine extracting solution and the rapid separation and recovery process of the solvent, wherein the modern production process of the traditional Chinese medicine meets the relevant requirements of the medicine production.
Description
Technical Field
The invention relates to the technical field of modern extraction, concentration and color production processes of traditional Chinese medicines, in particular to a Chinese medicine. Traditional Chinese medicine alcohol extraction and rapid concentration integrated equipment.
Background
The extraction and enrichment process of the effective substances in the traditional Chinese medicine by using the mixed solution of ethanol and water is an important technological means for the modern production of the traditional Chinese medicine. In the process of producing the traditional Chinese medicine alcohol extract, firstly, the traditional Chinese medicine raw materials are poured into a mixed solution prepared by ethanol and water according to a certain proportion and heated, so that the effective components in the traditional Chinese medicine raw materials are dissolved in the extracting solution; then, the extracting solution is introduced into a concentration device for heating, evaporating and concentrating, so that most of the solvent is volatilized in a steam form to obtain a high-concentration solution of the pharmacodynamic components; finally, the solvent steam is separated in a rectification mode to respectively obtain high-purity ethanol and water, so that the solvent is recovered, and the damage of the solvent to the environment is reduced.
however, there are two disadvantages in this conventional production process: firstly, in the concentration process, the heating temperature of the traditional Chinese medicine extracting solution is too high, the traditional Chinese medicine extracting solution stays in the concentration equipment for too long heating time, and thermosensitive medicinal components are easy to degrade, so that the medicinal value of the traditional Chinese medicine extracting solution is reduced; secondly, a large amount of energy is needed in the whole solvent concentration and recovery process, the production profit of enterprises is reduced due to the overhigh energy consumption expenditure, and the production cost is increased. The uncontrollable product quality and the excessive production cost directly affect the development of the drug manufacturing enterprises.
Therefore, designing and providing equipment capable of extracting and concentrating the traditional Chinese medicine at a lower temperature in a short time is a technical problem to be solved urgently in the technical field of modern extraction of the traditional Chinese medicine.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides the traditional Chinese medicine alcohol extraction and rapid concentration integrated equipment, which can realize rapid and short-time concentration of the traditional Chinese medicine extracting solution and a rapid separation and recovery process of a solvent of the traditional Chinese medicine extracting solution, wherein the modern production process of the traditional Chinese medicine meets the relevant requirements of medicine production.
The purpose of the invention is realized by the following technical scheme.
The invention relates to a traditional Chinese medicine alcohol extraction and rapid concentration integrated device which comprises a traditional Chinese medicine extraction tank, wherein an extracting solution circulating pipeline is connected between an upper liquid outlet and a bottom liquid inlet of the traditional Chinese medicine extraction tank, and the extracting solution circulating pipeline is connected with a gas stripping rectifying tower through an extracting solution feeding pipe;
a water vapor heating jacket is arranged on the outer side of the traditional Chinese medicine extraction tank, the water vapor heating jacket is connected with a water vapor generator through a first vapor conveying pipe, and the water vapor generator is connected with a tower kettle of a gas stripping rectifying tower through a second vapor conveying pipe;
The device comprises a gas stripping rectifying tower, a concentrated solution collecting tank, a condensed reflux device, a reflux pipeline, an ethanol extraction pipe at the top of the gas stripping rectifying tower, a return pipeline, an ethanol recovery pipe at the top of the gas stripping rectifying tower, a gas stripping rectifying tower and an ethanol recovery tank.
The bottom of the water vapor generator is provided with a room temperature water inlet, a heat conduction silicone oil outlet and a heat conduction silicone oil inlet.
The gas stripping rectifying tower is divided into an upper part and a lower part, the upper part in the tower is provided with a packing section, the lower part in the tower is provided with a tower plate section, and the packing section is provided with a lateral line extraction pipe.
And a liquid delivery pump and a first electromagnetic valve are arranged on the extracting solution circulating pipeline along the liquid flowing direction.
The extracting solution inlet pipe is provided with a second electromagnetic valve.
And a third electromagnetic valve is arranged on the first steam conveying pipe, and a fourth electromagnetic valve is arranged on the second steam conveying pipe.
And a fifth electromagnetic valve is arranged on the concentrated solution discharge pipe.
Compared with the prior art, the technical scheme of the invention has the following beneficial effects:
(1) In the invention, a traditional Chinese medicine extraction tank is connected with a gas stripping rectifying tower through an extracting solution feeding pipe in the middle of the tower, when the extraction process is started, a first electromagnetic valve is closed, a second electromagnetic valve is opened, and the traditional Chinese medicine extracting solution in the traditional Chinese medicine extraction tank circularly flows in an extracting solution circulating pipeline through a liquid delivery pump, so that the traditional Chinese medicine extraction process is facilitated; after the extraction process is finished, the first electromagnetic valve is opened, the second electromagnetic valve is closed, the extracting solution can be directly introduced into the gas stripping rectifying tower through the liquid delivery pump for concentration and solvent separation recovery process operation, and automatic continuous operation of the extraction and concentration process is realized;
(2) According to the invention, the bottom of a gas stripping rectifying tower is connected with a steam generator through a steam conveying pipe, Chinese medicine extracting solution flows to the bottom of the gas stripping rectifying tower under the action of gravity after entering the gas stripping rectifying tower, high-temperature steam generated by the steam generator is conveyed into the tower through the steam conveying pipe and is contacted with the Chinese medicine extracting solution at a tower plate at the lower part of the gas stripping rectifying tower, a solvent in the extracting solution is subjected to heat energy carried by the high-temperature steam to generate a rapid evaporation effect, the concentrated Chinese medicine extracting solution flows into a concentrated solution collector through a liquid discharging pipe at the bottom of the tower, the rapid concentration of the Chinese medicine extracting solution is realized through the gas stripping effect of the high-temperature steam on the Chinese medicine extracting solution, the degradation of pharmacodynamic substances in the Chinese medicine extracting solution caused by high temperature is avoided, and the obtained data after calculation;
(3) In the invention, the upper part of the gas stripping rectifying tower is provided with a filler section and a side draw tube, the lower part of the gas stripping rectifying tower generates a mass transfer process with a condensed reflux liquid generated by an overhead condensing reflux device due to the gas stripping action so as to realize the rectifying separation of ethanol and water, the light component ethanol vapor is condensed into liquid in the overhead condensing reflux device and then discharged, and the heavy component water is discharged through the side draw tube arranged in the middle part of the tower, so that the concentration of the traditional Chinese medicine extracting solution and the solvent recovery process in the same equipment can be realized, the energy consumption of traditional Chinese medicine production is reduced, the environmental pollution is avoided, and the concentration of the ethanol recovered at the top of the tower can reach more than 80 percent as shown by the related calculation of the gas stripping rectifying tower.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Reference numeral 1 is a traditional Chinese medicine extracting tank; 2 steam heating jacket; 3 a liquid delivery pump; 4 a first solenoid valve; 5 a second electromagnetic valve; 6 a third electromagnetic valve; 7 a fourth solenoid valve; 8, a water vapor generator; 9, a heat-conducting silicone oil outlet; 10 a heat-conducting silicone oil inlet; 11 a room temperature water inlet; 12 an extracting solution feeding pipe; 13 an extracting solution circulating pipeline; 14 a first steam delivery pipe; 15 a second steam delivery pipe; 16 gas stripping rectifying tower; 17 a condensate reflux vessel; 18 ethanol recovery tank; 19 a packing section; 20 side draw tubes; 21 a tower plate section; 22 a fifth solenoid valve; 23 a concentrated solution discharge pipe; 24 concentrated solution collecting tank; 25 a tower top ethanol extraction pipe; 26 return line.
Detailed Description
The automatic sampling device of the present invention will be described in further detail below.
In order to make the objects and features of the present invention more comprehensible, embodiments accompanying the present invention are further described below. It is noted that the drawings are in greatly simplified form and employ non-precise ratios for the purpose of facilitating and distinctly aiding in the description of the patented embodiments of the invention.
As shown in fig. 1, the integrated equipment for extracting and rapidly concentrating the traditional Chinese medicine alcohol is used for realizing a rapid production process of extracting and concentrating the traditional Chinese medicine, and comprises a traditional Chinese medicine extraction tank 1, wherein an extracting solution circulating pipeline 13 is connected between an upper liquid outlet and a bottom liquid inlet of the traditional Chinese medicine extraction tank 1, and a liquid conveying pump 3 and a first electromagnetic valve 4 are arranged on the extracting solution circulating pipeline 13 along a liquid flowing direction. The extracting solution circulating pipeline 13 is also communicated with an extracting solution feeding pipe 12, one end of the extracting solution feeding pipe 12 is connected with the extracting solution circulating pipeline 13 at the outlet part of the liquid conveying pump 3, the other end of the extracting solution feeding pipe 12 is connected with the middle part of the gas stripping rectifying tower 16, and a second electromagnetic valve 5 is arranged on the extracting solution feeding pipe 12.
The outer side of the traditional Chinese medicine extraction tank 1 is provided with a water vapor heating jacket 2, the water vapor heating jacket 2 is connected with a water vapor generator 8 through a first steam conveying pipe 14, and the water vapor generator 8 is connected with the tower bottom of a gas stripping rectifying tower 16 through a second steam conveying pipe 15. The first steam delivery pipe 14 is provided with a third electromagnetic valve 6, and the second steam delivery pipe 15 is provided with a fourth electromagnetic valve 7. The bottom of the water vapor generator 8 is provided with a room temperature water inlet 11, the upper part of the water vapor generator 8 is provided with a heat conduction silicone oil outlet 9, and the lower part of the water vapor generator 8 is provided with a heat conduction silicone oil inlet 10.
The gas stripping rectifying tower 16 is divided into an upper part and a lower part, the upper part in the tower is provided with a packing section 19, the lower part in the tower is provided with a tower plate section 21, a side draw pipe 20 is arranged at the packing section 19, and the side draw pipe 20 can be connected to the middle section of the gas stripping rectifying tower 16. The tower bottom of the gas stripping rectifying tower 16 is connected with a concentrated solution collecting tank 24 through a concentrated solution discharge pipe 23, and a fifth electromagnetic valve 22 is arranged on the concentrated solution discharge pipe 23. The top of the gas stripping rectifying tower 16 is connected with a condensed reflux device 17, the outlet of the condensed reflux device 17 is connected with a reflux pipeline 26 and a tower top ethanol extraction pipe 25, the reflux pipeline 26 is connected to the upper part of the gas stripping rectifying tower 16 to form a loop, and the tower top ethanol extraction pipe 25 is communicated with an ethanol recovery tank 18.
in the extraction stage of the traditional Chinese medicine extracting solution, firstly, ethanol and water are prepared into an extracting solvent according to a certain proportion, and then, the traditional Chinese medicine raw materials and the extracting solvent are added into a traditional Chinese medicine extracting tank 1 according to a certain solid-liquid ratio. Water is injected into the water vapor generator 8 through the room-temperature water inlet 11, high-temperature heat-conducting silicon oil realizes energy transmission to the water vapor generator 8 through the heat-conducting silicon oil inlet 10 and the heat-conducting silicon oil outlet 9, and the water vapor generator 8 starts to work to generate high-temperature high-pressure water vapor. The fourth solenoid valve 7 is closed and the third solenoid valve 6 is opened. High-pressure steam enters the steam heating jacket 2 through the first steam conveying pipe 14 to heat the traditional Chinese medicine extracting solution in the traditional Chinese medicine extracting tank 1. The first electromagnetic valve 4 is closed, the second electromagnetic valve 5 is opened, and the liquid delivery pump 3 starts to work by electrifying, so that the feed liquid in the traditional Chinese medicine extraction tank 1 circularly flows through the extracting solution circulating pipeline 13.
And entering a traditional Chinese medicine extracting solution concentrating stage after the extracting stage is finished. At this time, the first electromagnetic valve 4 is opened, the second electromagnetic valve 5 is closed, the liquid delivery pump 3 continues to work, and the traditional Chinese medicine extracting solution flows from the traditional Chinese medicine extracting tank 1 through the extracting solution feeding pipe 12 through the liquid delivery pump 3 and enters the gas stripping rectifying tower 16. The fourth solenoid valve 7 is opened, the third solenoid valve 6 is closed, and the fifth solenoid valve 22 is opened. High-pressure steam generated by the steam generator 8 enters the stripping and rectifying tower 16 from the tower bottom through a second steam conveying pipe 15. The Chinese medicine extract is contacted with high-pressure steam at the tower plate section 21 at the lower part of the gas stripping rectifying tower 16, and the Chinese medicine extract is concentrated and stripped under the action of high temperature of the steam. The concentrated Chinese medicine extract flows to the bottom of the gas stripping rectifying tower 16 under the action of gravity, and flows into a concentrated solution collecting tank 24 through a concentrated solution discharge pipe 23, so that the low-temperature rapid concentration process of the Chinese medicine extract is completed, and a Chinese medicine concentrated solution product is obtained.
The solvent vapor produced by the concentrated stripping action at the plate section 21 of the stripper-rectifier 16 continues to rise into the packing section 19 in the upper part of the stripper-rectifier 16. A portion of the solvent vapor is condensed at overhead condensate reflux 17 of stripper rectification column 16 to form reflux. And a part of reflux liquid flows back to the packing section 19 from the top of the gas stripping rectifying tower 16, contacts with ascending solvent steam generated at the tower plate section 21 to generate a rectifying process, and water in the solvent is discharged through a side line extraction pipe 20 arranged on the gas stripping rectifying tower 16 to obtain water with higher purity. The other part of the reflux liquid flows into the ethanol recovery tank 18 through an ethanol extraction pipe 25 at the top of the tower so as to obtain ethanol solution with higher purity.
At the moment, ethanol is extracted from the top of the tower, and water is extracted from a lateral line extraction pipe 20 at the middle section of the tower, so that the automatic low-energy-consumption solvent recovery process of the traditional Chinese medicine extracting solution is realized.
While the present invention has been described in terms of its functions and operations with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise functions and operations described above, and that the above-described embodiments are illustrative rather than restrictive, and that various changes and modifications may be effected therein by one skilled in the art without departing from the scope or spirit of the invention as defined by the appended claims.
Claims (7)
1. a traditional Chinese medicine alcohol extraction and rapid concentration integrated device comprises a traditional Chinese medicine extraction tank (1), and is characterized in that an extracting solution circulating pipeline (13) is connected between an upper liquid outlet and a bottom liquid inlet of the traditional Chinese medicine extraction tank (1), and the extracting solution circulating pipeline (13) is connected with an air stripping rectifying tower (16) through an extracting solution feeding pipe (12);
A water vapor heating jacket (2) is arranged on the outer side of the traditional Chinese medicine extraction tank (1), the water vapor heating jacket (2) is connected with a water vapor generator (8) through a first steam conveying pipe (14), and the water vapor generator (8) is connected with a tower kettle of a gas stripping rectifying tower (16) through a second steam conveying pipe (15);
The device is characterized in that a tower kettle of the gas stripping rectifying tower (16) is connected with a concentrated solution collecting tank (24) through a concentrated solution discharge pipe (23), the top of the gas stripping rectifying tower (16) is connected with a condensation reflux device (17), an outlet of the condensation reflux device (17) is connected with a reflux pipeline (26) and a tower top ethanol extraction pipe (25), the reflux pipeline (26) is connected with the gas stripping rectifying tower (16) to form a loop, and the tower top ethanol extraction pipe (25) is connected with an ethanol recovery tank (18).
2. The traditional Chinese medicine alcohol extraction and rapid concentration integrated equipment as claimed in claim 1, wherein the water vapor generator (8) is provided with a room temperature water inlet (11), a heat conduction silicone oil outlet (9) and a heat conduction silicone oil inlet (10).
3. The device for extracting and rapidly concentrating the alcohol of the traditional Chinese medicine as claimed in claim 1, wherein the stripping and rectifying tower (16) is divided into an upper part and a lower part, a packing section (19) is arranged at the upper part in the tower, a tower plate section (21) is arranged at the lower part in the tower, and a lateral line extraction pipe (20) is arranged at the packing section (19).
4. the traditional Chinese medicine alcohol extraction and rapid concentration integrated equipment as claimed in claim 1, wherein a liquid delivery pump (3) and a first electromagnetic valve (4) are arranged on the extracting solution circulating pipeline (13) along the liquid flowing direction.
5. The device of claim 1, wherein the extracting solution feeding pipe (12) is provided with a second solenoid valve (5).
6. The traditional Chinese medicine alcohol extraction and rapid concentration integrated equipment as claimed in claim 1, wherein a third electromagnetic valve (6) is arranged on the first steam delivery pipe (14), and a fourth electromagnetic valve (7) is arranged on the second steam delivery pipe (15).
7. The device of claim 1, wherein a fifth solenoid valve (22) is disposed on the concentrated solution discharge pipe (23).
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| CN201710326124.2A CN106924992B (en) | 2017-05-10 | 2017-05-10 | traditional chinese medicine alcohol extraction draws integrative equipment of quick concentration |
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| CN201710326124.2A CN106924992B (en) | 2017-05-10 | 2017-05-10 | traditional chinese medicine alcohol extraction draws integrative equipment of quick concentration |
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| CN106924992B true CN106924992B (en) | 2019-12-06 |
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| CN108939606A (en) * | 2018-09-18 | 2018-12-07 | 迪茗（上海）智能科技有限公司 | A kind of extraction concentration systems and method |
| KR102254574B1 (en) * | 2021-02-01 | 2021-05-20 | 박연희 | Compact one-stop extraction and concentration apparatus |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2601663Y (en) * | 2003-02-17 | 2004-02-04 | 邱云彪 | A set for condensing alcohol extract |
| CN203777703U (en) * | 2014-03-31 | 2014-08-20 | 四川川大华西药业股份有限公司 | Solvent circulating device |
| CN205391774U (en) * | 2016-03-01 | 2016-07-27 | 西安天行健实业有限公司 | High -efficient enriching recovery rectifier unit of chinese herbal medicine solvent extraction liquid |
| RU2593205C1 (en) * | 2015-06-10 | 2016-08-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Чувашский государственный университет имени И.Н. Ульянова" | Method for extracting concentrated epichlorohydrin from products of allyl chloride epoxidation with hydrogen peroxide on titanium-containing zeolite catalyst |
| CN206980170U (en) * | 2017-05-10 | 2018-02-09 | 天津中医药大学 | A kind of Chinese medicine ethanol extracts rapid concentration equipment integrating |
-
2017
- 2017-05-10 CN CN201710326124.2A patent/CN106924992B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2601663Y (en) * | 2003-02-17 | 2004-02-04 | 邱云彪 | A set for condensing alcohol extract |
| CN203777703U (en) * | 2014-03-31 | 2014-08-20 | 四川川大华西药业股份有限公司 | Solvent circulating device |
| RU2593205C1 (en) * | 2015-06-10 | 2016-08-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Чувашский государственный университет имени И.Н. Ульянова" | Method for extracting concentrated epichlorohydrin from products of allyl chloride epoxidation with hydrogen peroxide on titanium-containing zeolite catalyst |
| CN205391774U (en) * | 2016-03-01 | 2016-07-27 | 西安天行健实业有限公司 | High -efficient enriching recovery rectifier unit of chinese herbal medicine solvent extraction liquid |
| CN206980170U (en) * | 2017-05-10 | 2018-02-09 | 天津中医药大学 | A kind of Chinese medicine ethanol extracts rapid concentration equipment integrating |
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