CN212090997U

CN212090997U - Ultrasonic low-temperature countercurrent extraction and concentration equipment

Info

Publication number: CN212090997U
Application number: CN202020384308.1U
Authority: CN
Inventors: 蔡平
Original assignee: Shanghai Tongmo Automation Equipment Co ltd
Current assignee: Shanghai Tongmo Automation Equipment Co ltd
Priority date: 2020-03-24
Filing date: 2020-03-24
Publication date: 2020-12-08
Anticipated expiration: 2030-03-24

Abstract

An ultrasonic low-temperature countercurrent extraction and concentration device comprises an ultrasonic extraction tank, wherein a water cooling pipeline is coated on the outer surface of the ultrasonic extraction tank, and an air compressor is installed on the side surface of the ultrasonic extraction tank; the lower part of the ultrasonic extraction tank is connected with a first duplex filter through a first pipeline, and the first duplex filter is connected with the temporary storage tank; the temporary storage tank is connected with the diaphragm pump through a three-way valve, the other passage of the three-way valve is connected with a second duplex filter, the second duplex filter is connected with a negative pressure filter tank, the negative pressure filter tank is connected with a buffer tank, the buffer tank is connected with a scraper concentrator, and concentrated solution of the scraper concentrator is connected with the centrifugal pump. The utility model overcomes the defects of the prior art, and by opening the air compressor and the diaphragm pump, the solvent and the material realize the circulation dynamic countercurrent extraction between the ultrasonic extraction tank and the temporary storage tank, thereby realizing the maximization of the ultrasonic efficacy and improving the extraction rate of the raw material; therefore, under the condition of equal amount of materials and solvents, the reaction time can be greatly shortened.

Description

Ultrasonic low-temperature countercurrent extraction and concentration equipment

Technical Field

The utility model relates to an extraction technical field of material, concretely relates to ultrasonic wave low temperature countercurrent extraction concentrator.

Background

The main method for extracting the effective components of the existing plant materials is solvent extraction, namely, the materials to be extracted are placed in a solvent such as water or other organic solvents according to a certain solid-liquid ratio, and the effective components of the materials to be extracted are extracted at a certain temperature. In the extraction process, the extraction effect can be improved or the extraction time can be shortened by adding stirring, liquid circulation, heating constant temperature control, solvent reflux and the like.

When ultrasonic wave is transmitted in the solvent, a series of effects of mechanics, thermal, optics, electricity, chemistry and the like are generated through mechanical action, cavitation action and thermal action, so that the damage of plant cell walls and the rapid penetration of the solvent can be caused, the effective components of the material to be extracted are rapidly dissolved in the solvent, the extraction rate is improved, the extraction time is shortened, and the solvent is saved.

The existing ultrasonic extraction mainly comprises divergent ultrasonic extraction and energy-gathering ultrasonic extraction. The divergent ultrasonic extraction is that an ultrasonic generator is arranged on a specially-made stainless steel oscillating plate, ultrasonic waves form a high-frequency ultrasonic field in an extraction tank or a water tank through the oscillating plate, and extracted materials are subjected to ultrasonic enhanced extraction through the ultrasonic field arranged at the bottom of the water tank. The divergent ultrasonic extraction has low ultrasonic power of 0.2-0.3W per square centimeter, and the time for the material to be extracted to act with the solvent in the water tank is about 2 hours. The energy-gathered ultrasonic wave is that a high-power ultrasonic generator is directly arranged in a tank body or a container through a flange, and ultrasonic vibration energy generated by a high-power ultrasonic transducer, an amplitude transformer and a transmitting head directly acts on materials in liquid to carry out ultrasonic extraction on the materials in the container. The ultrasonic wave is directly acted on the material to be extracted and the solvent, the ultrasonic wave extraction effect is obvious on small equipment, such as equipment with less than 20 liters, but the extraction effect is obviously reduced on equipment with more than 20 liters, particularly equipment with more than 500 liters.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides an ultrasonic low-temperature countercurrent extraction concentration device, which overcomes the defects of the prior art, has reasonable design, realizes the circulation dynamic countercurrent extraction of the solvent and the material between an ultrasonic extraction tank and a temporary storage tank by opening an air compressor and a diaphragm pump, can realize the maximization of the ultrasonic efficacy and improve the extraction rate of the raw material; therefore, under the condition of equal amount of materials and solvents, the reaction time can be greatly shortened.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

an ultrasonic low-temperature countercurrent extraction and concentration device comprises an ultrasonic extraction tank, wherein a water cooling pipeline is coated on the outer surface of the ultrasonic extraction tank, the inlet end and the outlet end of the water cooling pipeline are respectively connected with the outlet end and the inlet end of a refrigerator, and an air compressor is installed on the side surface of the ultrasonic extraction tank; the lower part of the ultrasonic extraction tank is fixedly connected with one end of a first pipeline, the other end of the first pipeline is communicated with an inlet of a first duplex filter, and an outlet end of the first duplex filter is communicated with an inlet at the upper end of the temporary storage tank through a second pipeline; the lower end outlet end of the temporary storage tank is fixedly connected with a three-way valve, one passage of the three-way valve is connected with a diaphragm pump through a pipeline, the outlet end of the diaphragm pump is connected with one end of a third main pipeline, the other end of the third main pipeline is communicated with a branch pipeline A, a branch pipeline B and a branch pipeline C, the branch pipeline A is communicated with the upper inlet end of the ultrasonic extraction tank, the branch pipeline B is communicated with the upper inlet end of the buffer tank, and the branch pipeline C is communicated with the upper inlet end of the temporary storage tank; the other passage of the three-way valve is communicated with an inlet of a second duplex filter through a pipeline, an outlet end of the second duplex filter is communicated with a negative pressure filter tank, the negative pressure filter tank is communicated with an upper end inlet of a buffer tank through a fourth pipeline, a lower end outlet end of the buffer tank is connected with a scraper concentrator through a fifth pipeline, a concentrated solution outlet end of the scraper concentrator is connected with the centrifugal pump through a sixth pipeline, and a sixth valve is mounted on the sixth pipeline.

Preferably, a first valve, a second valve, a third valve, a fourth valve and a fifth valve are respectively installed on the first pipeline, the branch pipeline a, the branch pipeline B, the branch pipeline C and the fourth pipeline.

Preferably, the scraper concentrator includes heater, evaporimeter, separator, condenser, the lower extreme exit end of buffer tank is linked together through the entry end of fifth pipeline with the heater, be provided with scraper stirring device in the heater, the evaporimeter is linked together through return bend and heater, the separator is linked together with the evaporimeter, condenser fixed mounting is at the below exit end of separator.

Preferably, the device also comprises a vacuum pump, and the vacuumizing end of the vacuum pump is respectively connected with the temporary storage tank, the buffer tank and the condenser through pipelines.

Preferably, the centrifugal pump is respectively communicated with the upper end of the ultrasonic extraction tank, the upper end of the heater and the outlet end of the condenser through pipelines, and valves are arranged on the pipelines.

Preferably, the bottom of the first duplex filter, the temporary storage tank, the second duplex filter, the buffer tank, the negative pressure filter tank and the buffer tank are all provided with sampling valves.

The utility model provides an ultrasonic low-temperature countercurrent extraction concentrator. The method has the following beneficial effects: by opening the air compressor and the diaphragm pump, the circulating dynamic countercurrent extraction of the solvent and the materials between the ultrasonic extraction tank and the temporary storage tank is realized, the maximization of the ultrasonic effect is realized, and the extraction rate of the raw materials is improved; therefore, under the condition of equal amount of materials and solvents, the reaction time can be greatly shortened.

Drawings

In order to more clearly illustrate the present invention or the technical solutions in the prior art, the drawings used in the description of the prior art will be briefly described below.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the temporary storage tank of the present invention;

FIG. 3 is a schematic view of the structure of the ultrasonic extraction tank of the present invention;

FIG. 4 is a schematic view of a scraper concentrator of the present invention;

the reference numbers in the figures illustrate:

1. an ultrasonic extraction tank; 2. a first pipeline; 3. a first duplex filter; 4. a second pipeline; 5. a temporary storage tank; 6. a three-way valve; 7. a diaphragm pump; 8. a third main pipe; 9. a branch pipeline A; 10. a branch pipeline B; 11. a branch pipeline C; 12. a buffer tank; 13. a second duplex filter; 14. a fourth pipeline; 15. a buffer tank; 16. a fifth pipeline; 17. a scraper concentrator; 17-1, a heater; 17-2, an evaporator; 17-3, a separator; 17-4, a condenser; 17-5, a scraper stirring device; 18. a water-cooling pipeline; 19. a refrigerator; 20. an air compressor; 21. a first valve; 22. a second valve; 23. a third valve; 24. a fourth valve; 25. a fifth valve; 26. a centrifugal pump; 27. a vacuum pump; 28. a sixth pipeline; 29. a sixth valve; 30. a valve; 31. a negative pressure filtering tank.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention will be combined below to clearly and completely describe the technical solutions of the present invention.

In a first embodiment, as shown in fig. 1 to 4, an ultrasonic low-temperature countercurrent extraction and concentration apparatus includes an ultrasonic extraction tank 1, a water cooling pipeline 18 is coated on an outer surface of the ultrasonic extraction tank 1, an inlet end and an outlet end of the water cooling pipeline 18 are respectively connected with an outlet end and an inlet end of a refrigerator 19, and an air compressor 20 is installed on a side surface of the ultrasonic extraction tank 1; one end of a first pipeline 2 is fixedly connected below the ultrasonic extraction tank 1, the other end of the first pipeline 2 is communicated with an inlet of a first duplex filter 3, and an outlet end of the first duplex filter 3 is communicated with an inlet at the upper end of a temporary storage tank 5 through a second pipeline 4; the outlet end of the lower end of the temporary storage tank 5 is fixedly connected with a three-way valve 6, a passage of the three-way valve 6 is connected with a diaphragm pump 7 through a pipeline, the outlet end of the diaphragm pump 7 is connected with one end of a third main pipeline 8, the other end of the third main pipeline 8 is communicated with a branch pipeline A9, a branch pipeline B10 and a branch pipeline C11, the branch pipeline A9 is communicated with the inlet end above the ultrasonic extraction tank 1, the branch pipeline B10 is communicated with the inlet end above the buffer tank 12, and the branch pipeline C11 is communicated with the inlet end above the temporary storage tank 5; the other path of the three-way valve 6 is communicated with the inlet of a second duplex filter 13 through a pipeline, the outlet end of the second duplex filter 13 is communicated with a negative pressure filter tank 31, the negative pressure filter tank 31 is communicated with the upper end inlet of a buffer tank 12 through a fourth pipeline 14, the lower end outlet end of the buffer tank 12 is connected with a scraper concentrator 17 through a fifth pipeline 16, the concentrated solution outlet end of the scraper concentrator 17 is connected with a centrifugal pump 26 through a sixth pipeline 28, and a sixth valve 29 is arranged on the sixth pipeline 28. The device further comprises a vacuum pump 27, and the vacuumizing end of the vacuum pump 27 is respectively connected with the temporary storage tank 5, the buffer tank 12 and the scraper concentrator 17 through pipelines.

The working process is as follows:

firstly, putting raw materials into an ultrasonic extraction tank 1, adding 5-10 times of solvent, starting an air compressor 20 and a diaphragm pump 7, opening a passage of a three-way valve 6, leading a pipeline between a temporary storage tank 5 and the diaphragm pump 7 to be penetrated, leading a solvent to flow into a first duplex filter 3 through a first pipeline 2 for filtering, leading the solvent to flow into the temporary storage tank 5 through a second pipeline 4, leading the solvent to flow into a third main pipeline 8 through the three-way valve 6, leading a branch pipeline A9 to be connected, leading the solvent to flow into the ultrasonic extraction tank 1 through a branch pipeline A9 again, realizing circulating dynamic countercurrent extraction, and further improving the extraction rate of the raw materials; before the extraction process, the refrigerator 19 needs to be opened firstly, so that the ultrasonic extraction tank 1 is precooled through the water cooling pipeline 18; after extraction is finished, the passage of the three-way valve 6 is switched to close the pipeline between the temporary storage tank 5 and the diaphragm pump 7, open the pipeline between the temporary storage tank 5 and the second duplex filter 13 and enable the material to flow to the second duplex filter 13 and the negative pressure filter tank 31, so that the material is filtered and separated, during the filtering process, whether particles exist in the filtered effluent liquid or not and whether the flow is normal can be observed through a pipeline sight glass, if impurities exist in the pipeline sight glass or the flow is reduced, the valve can be closed, and after vacuum breaking, the corresponding filter is opened for cleaning; the filtered material flows into the buffer tank 12 through the fourth pipeline 14, and then is connected in the scraper concentrator 17 through the fifth pipeline 16, the vacuum pump 27 is opened for vacuum concentration, during concentration, the interlayer temperature is generally set between 120 ℃ and 170 ℃, the vacuum degree is between-0.07 Mpa and-0.09 Mpa, and the lower the vacuum degree, the lower the material temperature. In the concentration state, cooling water is supplied from time to time by the condenser, the water inlet temperature cannot exceed 30 ℃, after a period of time, the concentration of the materials in the scraper concentrator 17 is increased, the volume of the raw materials is reduced, the materials can be taken out by a vessel after reaching the required concentration, and when the materials are taken out, the vacuum pump 20 is required to stop.

In the present embodiment, the first, second, third, fourth and

fifth valves

21, 22, 23, 24 and 25 are respectively installed on the first, second, third, fourth and fourth lines 2, a branch line a9, a branch line B10, a branch line C11 and 14. The first, second, third, fourth and

fifth valves

21, 22, 23, 24 and 25 control the opening or closing of the first, branch lines 2, a9, B10, C11 and the fourth line 14, respectively.

In the second embodiment, as a preferable scheme of the first embodiment, the scraper concentrator 17 comprises a heater 17-1, an evaporator 17-2, a separator 17-3 and a condenser 17-4, an outlet end of the lower end of the buffer tank 12 is communicated with an inlet end of the heater 17-1 through a fifth pipeline 16, a scraper stirring device 17-5 is arranged in the heater 17-1, the evaporator 17-2 is communicated with the heater 17-1 through an elbow pipe, the separator 17-3 is communicated with the evaporator 17-2, and the condenser 17-4 is fixedly installed at an outlet end below the separator 17-3. After materials enter the heater 17-1 through the fifth pipeline 16, the scraper stirring device 17-5 is driven to rotate through the power device, a solution forms a downward-rotating film on the inner wall of the heater 17-1 and is evaporated and concentrated in the process, the finished solution is discharged at the bottom, and the evaporated and concentrated solution can pass through the evaporator 17-2 and then is separated through the separator 17-3 and condensed through the condenser 17-4.

In the third embodiment, as a preferable scheme of the first embodiment, the centrifugal pump 26 is respectively communicated with the upper end of the ultrasonic extraction tank 1, the upper end of the heater 17-1 and the outlet end of the condenser 17-4 through pipelines, and valves 30 are arranged on the pipelines. Centrifugal pump 26 is used for discharging the evaporated and concentrated finished liquid in ultrasonic extraction tank 1, heater 17-1 and condenser 17-4 in order to make full use of resources.

In the fourth embodiment, as a preferable scheme of the first embodiment, sampling valves are installed at the bottoms of the first duplex filter 3, the temporary storage tank 5, the second duplex filter 13, the buffer tank 12, the negative pressure filter tank 31 and the buffer tank 12. Therefore, when the concentration of the material is unknown after a period of time in the process of extracting and concentrating the material, a small amount of the material can be taken out from the sampling valve and put on the refractometer for concentration detection, and the detection is interrupted, and the concentration detection is finished after the concentration is reached.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides an ultrasonic wave low temperature countercurrent extraction concentrator which characterized in that: the ultrasonic extraction device comprises an ultrasonic extraction tank (1), wherein a water cooling pipeline (18) is coated on the outer surface of the ultrasonic extraction tank (1), the inlet end and the outlet end of the water cooling pipeline (18) are respectively connected with the outlet end and the inlet end of a refrigerator (19), and an air compressor (20) is installed on the side surface of the ultrasonic extraction tank (1); the lower part of the ultrasonic extraction tank (1) is fixedly connected with one end of a first pipeline (2), the other end of the first pipeline (2) is communicated with an inlet of a first duplex filter (3), and an outlet end of the first duplex filter (3) is communicated with an inlet at the upper end of a temporary storage tank (5) through a second pipeline (4); the lower end outlet end of the temporary storage tank (5) is fixedly connected with a three-way valve (6), a passage of the three-way valve (6) is connected with a diaphragm pump (7) through a pipeline, the outlet end of the diaphragm pump (7) is connected with one end of a third main pipeline (8), the other end of the third main pipeline (8) is communicated with a branch pipeline A (9), a branch pipeline B (10) and a branch pipeline C (11), the branch pipeline A (9) is communicated with the upper inlet end of the ultrasonic extraction tank (1), the branch pipeline B (10) is communicated with the upper inlet end of a buffer tank (12), and the branch pipeline C (11) is communicated with the upper inlet end of the temporary storage tank (5);

the other passage of the three-way valve (6) is communicated with an inlet of a second duplex filter (13) through a pipeline, an outlet end of the second duplex filter (13) is communicated with a negative pressure filter tank (31), the negative pressure filter tank (31) is communicated with an inlet at the upper end of a buffer tank (12) through a fourth pipeline (14), an outlet end at the lower end of the buffer tank (12) is connected with a scraper concentrator (17) through a fifth pipeline (16), a concentrated solution outlet end of the scraper concentrator (17) is connected with a centrifugal pump (26) through a sixth pipeline (28), and a sixth valve (29) is installed on the sixth pipeline (28).

2. The ultrasonic low-temperature countercurrent extraction and concentration device as claimed in claim 1, wherein: and a first valve (21), a second valve (22), a third valve (23), a fourth valve (24) and a fifth valve (25) are respectively arranged on the first pipeline (2), the branch pipeline A (9), the branch pipeline B (10), the branch pipeline C (11) and the fourth pipeline (14).

3. The ultrasonic low-temperature countercurrent extraction and concentration device as claimed in claim 1, wherein: the scraper concentrator (17) comprises a heater (17-1), an evaporator (17-2), a separator (17-3) and a condenser (17-4), wherein the outlet end of the lower end of the buffer tank (12) is communicated with the inlet end of the heater (17-1) through a fifth pipeline (16), a scraper stirring device (17-5) is arranged in the heater (17-1), the evaporator (17-2) is communicated with the heater (17-1) through a bent pipe, the separator (17-3) is communicated with the evaporator (17-2), and the condenser (17-4) is fixedly installed at the outlet end below the separator (17-3).

4. The ultrasonic low-temperature countercurrent extraction and concentration device as claimed in claim 3, wherein: the device is characterized by further comprising a vacuum pump (27), wherein the vacuumizing end of the vacuum pump (27) is respectively connected with the temporary storage tank (5), the buffer tank (12) and the condenser (17-4) through pipelines.

5. The ultrasonic low-temperature countercurrent extraction and concentration device as claimed in claim 3, wherein: the centrifugal pump (26) is respectively communicated with the upper end of the ultrasonic extraction tank (1), the upper end of the heater (17-1) and the outlet end of the condenser (17-4) through pipelines, and valves (30) are arranged on the pipelines.

6. The ultrasonic low-temperature countercurrent extraction and concentration device as claimed in claim 1, wherein: the sampling valves are arranged at the bottoms of the first duplex filter (3), the temporary storage tank (5), the second duplex filter (13), the buffer tank (12), the negative pressure filter tank (31) and the buffer tank (12).