TWI639459B - Multifunctional supercritical extraction system - Google Patents

Abstract

The invention is a multifunctional supercritical extraction system comprising a supercritical pressure source, at least two sets of supercritical tanks, a first separation tank, a second separation tank, a third separation tank, a crystal granulation device and a recovery system The supercritical pressure source is for providing a high pressure fluid, and the combination of the supercritical tank is used for heating and pressurizing the fluid and the object to be extracted to form a supercritical state, and the three separation tanks can be subjected to different temperature and pressure conditions. Separating and classifying different extracts, the crystal granulation device can crystallize or foam the extract, and the recovery system can independently recycle the supercritical fluid; thereby, the ruthenium provides a multi-layered extraction separation and crystallization. Extraction system for functions such as granulation, foaming, reverse perfusion and recycling.

Description

Multifunctional supercritical extraction system

The invention relates to a multifunctional supercritical extraction system, in particular to an extraction system with multi-layer extraction separation, crystal granulation, foaming, reverse pouring and recycling.

According to the advent of the technological age, as well as the modern living standards of modern people, and the advancement of industrial standards, supercritical fluids have been widely used in extraction and separation, biotechnology and foaming industries, etc., which are carbon dioxide (or The nitrogen gas is heated and raised to a supercritical state to form a supercritical fluid, and the supercritical fluid can be dissolved with the to-be-extracted substance. When the supercritical fluid is rapidly released from pressure and pressure, the component to be extracted in the extract to be extracted can be precipitated. It is then separated by a separating device to provide the use of the component to be extracted.

However, due to the above-mentioned supercritical extraction system, only the extract can be extracted and separated, which does not provide other functions, and the supercritical extraction system is not provided with a recovery device, resulting in direct use of the supercritical fluid. Emissions spill over the air, which is a waste of cost.

The object of the present invention is to improve the above-mentioned deficiency, and to provide an extraction system capable of performing multi-layer extraction, extract granulation or foaming of extract, extract reverse perfusion and independent circulation and recovery functions.

In order to achieve the above object, the multifunctional supercritical extraction system of the present invention comprises a supercritical pressure source, at least two or more supercritical tanks, a first separation tank, a second separation tank, a third separation tank, a crystal granulation device and a recovery system; wherein: a supercritical pressure source is used Preparing a supercritical fluid, the supercritical pressure source is connected with a fluid delivery pipeline, and the fluid delivery pipeline is connected to a supercritical tank, wherein the fluid delivery pipeline is provided with an on-off valve; and further, the fluid delivery pipeline is connected with a The reverse perfusion fluid pressure pump is connected to the backflow fluid source; the supercritical tank is pivotally connected to the fluid delivery pipeline of the supercritical pressure source, and each of the two supercritical tanks is provided with a fluid switch a valve for opening and closing the supercritical fluid input; the supercritical tank is pivotally connected with a recovery pipeline, and the recovery pipeline is provided with a recovery switch valve, and the recovery pipeline is connected with the recovery system; and then, the supercritical The tank is pivotally connected with a separate conveying pipeline, and the separating conveying pipeline is provided with a separation switch valve; further, the two supercritical tanks are respectively provided with a reverse pouring pipeline, and the reverse pouring pipeline is connected with the separating conveying pipeline, and the reverse pouring On the pipeline The first separation tank is connected with the separation conveying pipeline for separating the supercritical fluid, the extract to be extracted, and the extract, and the first separation tank is provided with a first separation switch valve, the first The separation and connection relationship is connected with the separation and delivery pipeline, the first separation tank is provided with an output pipeline, the output pipeline is provided with an output switching valve, and the second separation tank is provided with a first separation pipeline, the first separation The pipeline is connected to the first separation tank for separating the supercritical fluid, the extract and the extract, the first separation pipeline is provided with a second separation switch valve, and the second separation tank is provided with an output switching valve; a third separation tank is provided with a second separation line connected to the second separation tank for separating the supercritical fluid, the extract and the extract, and the second separation line is a third separation switch valve is provided, and the third separation slot is provided with an output switching valve; The third separation tank is provided with a separate conveying pipeline, and the separation conveying pipeline is connected with the fluid conveying pipeline, and the separating conveying pipeline is provided with a separate conveying switch valve; the crystal granulating device comprises a compression cylinder, The compression cylinder system is connected with the output pipeline of the first separation tank, and the compression cylinder is connected with a compression pipeline. The compression pipeline is provided with a compression switch valve, and the compression pipeline is provided with a crystallization tank, and the crystallization tank is provided at the end of the compression pipeline. a recovery system includes a recovery separation tank, a recovery separation tank and is connected to the recovery pipeline, and is provided with a recovery valve and a recovery pipeline, and the recovery separation tank is provided with a recovery output valve; And a recovery conveying pipeline is connected to the recovery conveying pipeline and a recovery compressor is connected, and the recovery conveying pipeline is connected with a recovery tank, and the recovery tank is connected to the fluid conveying pipeline by a recovery fluid switching valve; , 俾 provides an extraction system that can perform multi-level extraction, extract crystallization granulation or foaming, extract reverse priming and independent circulation and recovery functions.

10‧‧‧Supercritical pressure source

11‧‧‧ Fluid delivery line

111‧‧‧ switch valve

12‧‧‧Reverse fluid pump

20A, 20B‧‧‧ supercritical tank

21‧‧‧Fluid switch valve

22‧‧‧Recycling pipeline

221‧‧‧Recycling switch valve

23‧‧‧Separate conveying pipeline

231‧‧‧Separate on-off valve

24‧‧‧Reperfusion line

241‧‧‧Re-infusion switch valve

30A‧‧‧First Separation Tank

30B‧‧‧Second separation tank

30C‧‧‧ third separation tank

301‧‧‧First separation switch valve

31‧‧‧Output line

311‧‧‧Output switch valve

32‧‧‧First separation line

321‧‧‧Second separation switch valve

33‧‧‧Output switch valve

34‧‧‧Second separation line

341‧‧‧The third separation switch valve

35‧‧‧Output switch valve

36‧‧‧Separate conveying pipeline

361‧‧‧Separate transfer switch valve

40‧‧‧Crystal granulator

41‧‧‧Compact cylinder

42‧‧‧Compressed pipeline

421‧‧‧Compressed on-off valve

43‧‧‧ Crystallization tank

44‧‧‧Nozzles

50‧‧‧Recycling system

51‧‧‧Recycling separation tank

52‧‧‧Recovery output valve

53‧‧‧Recycling pipeline

54‧‧‧Recovery compressor

55‧‧‧Recycling tank

56‧‧‧Recovery fluid switching valve

Figure 1 is a system diagram of the present invention.

Figure 2 is a system diagram of the present invention, and a schematic diagram of the operation of multi-level extraction.

Figure 3 is a system diagram of the present invention, and a schematic diagram of the action of crystallizing or foaming the extract.

Figure 4 is a system diagram of the present invention, and a schematic diagram of the action of extract reperfusion.

Figure 5 is a schematic diagram of the system diagram of the present invention, and the operation of the independent loop and recovery function.

Regarding the technical means used by the present invention for achieving the purpose, the embodiment shown in Figures 1 to 5 will be further elaborated as follows: As shown in FIG. 1, the multi-functional supercritical extraction system in the embodiment comprises a supercritical pressure source 10, at least two or more supercritical tanks 20A, 20B, a first separation tank 30A, a second separation tank 30B, a third separation tank 30C, a crystal granulation unit 40 and a recovery system 50; wherein: a supercritical pressure source 10 (please also refer to FIG. 2) for preparing a supercritical fluid, the supercritical pressure source 10 The fluid delivery line 11 is connected to the supercritical tanks 20A, 20B. The fluid delivery line 11 is provided with an on-off valve 111. Further, the fluid delivery line 11 is connected with a counter. A fluid pressurization pump 12 is coupled to the backflow fluid source.

Supercritical tanks 20A, 20B (please refer to FIG. 2 at the same time) are pivotally connected to the fluid delivery line 11 of the supercritical pressure source 10, and the two supercritical tanks 20A, 20B are each provided with a fluid switching valve 21, The opening and closing of the supercritical fluid input is opened and closed; the supercritical tank 20 is pivotally connected with a recovery pipeline 22, and the recovery pipeline 22 is provided with a recovery switch valve 221, and the recovery pipeline 22 is connected with the recovery system 50; The supercritical tank 20 is pivotally connected with a separation conveying pipeline 23, and the separation conveying pipeline 23 is provided with a separation switch valve 231: Further, the two supercritical tanks 20A, 20B are respectively provided with a reverse perfusion pipeline 24, The perfusion line 24 is connected to the separation delivery line 23, and a reverse perfusion switch valve 241 is provided on the reverse perfusion line 24.

The first separation tank 30A (please refer to FIG. 2 at the same time) is connected to the separation conveying line 23 for separating the extract and the extract, and the first separation tank 30A is provided with a first separation switch valve 301. The first separation switch 301 is coupled to the separation and delivery line 23, the first separation tank 30A is provided with an output line 31, and the output line 31 is provided with an output switching valve 311.

Second separation tank 30B (please refer to FIG. 2 at the same time), which has a first a separation line 32, the first separation line 32 is connected to the first separation tank 30A for separating the extract and the extract, and the first separation line 32 is provided with a second separation switch valve 321 The second separation tank 30B is provided with an output switching valve 33.

The third separation tank 30C (please refer to the same figure as shown in the figure) is provided with a second separation line 34 connected to the second separation tank 30B for separating the extract and the extraction The second separation line 34 is provided with a third separation switch valve 341, and the third separation tank 30C is provided with an output switching valve 35. Further, the third separation tank 30C is provided with a separate delivery line 36. The separation delivery line 36 is connected to the fluid delivery line 11, and a separate delivery switch valve 361 is provided on the separation delivery line 36.

The crystal granulation device 40 (please refer to FIG. 2 at the same time) includes a compression cylinder 41 connected to the output line 31 of the first separation tank 30A, and the compression cylinder 41 is connected to a compression line 42. The compression line 42 is provided with a compression switch valve 421, and the compression line 42 is provided with a crystallization tank 43. The crystallization tank 43 is provided with a nozzle 44 at the end of the compression line 42.

The recovery system 50 (please refer to FIG. 2 at the same time) includes a recovery separation tank 51, a recovery separation tank 51 connected to the recovery line 22, and a recovery valve 511 connected to the recovery line 22, the recovery separation tank 51 is provided with a recovery output valve 52; in addition, the recovery separation tank 51 is connected to a recovery delivery line 53 which is provided with a recovery compressor 54 and a recovery delivery line 53 to which a recovery tank 55 is connected. And the recovery tank 55 is connected to the fluid delivery line 11 by a recovery fluid switching valve 56.

With the above device, the present invention can achieve the following functions:

(1) Multi-level extraction: as shown in Fig. 2, the to-be-extracted material is placed in a supercritical tank 20A (or simultaneously placed in the two supercritical tanks 20A, 20B), and the first separation tank 30A, The second separation tank 30B and the third separation tank 30C are controlled to have different separation temperature and pressure conditions, and then open the fluid delivery line 11 and the switching valve 111 connected to the supercritical pressure source 10, and simultaneously open the supercritical tank 20A (or The fluid switching valve 21 of the two supercritical tanks 20A, 20B) allows the fluid in the supercritical pressure source 10 to be input into the supercritical tank 20A (or the two supercritical tanks 20A, 20B), so that the input fluid and the substance to be extracted are obtained. The supercritical state is formed by pressure heating, and then the separation switch valve 231 and the first separation switch valve 301 of the first separation tank 30A are opened, so that the to-be-extracted material and the supercritical fluid are transported into the first separation tank through the separation delivery line 23. In the 30A, by separating the first extract of the preset temperature and pressure, opening the output switching valve 311 of the first separation tank 30A, the first extract can be output; and then, the second separation tank 30B is opened. The switch valve 321 is separated, so that the to-be-extracted material and the fluid in the first separation tank 30A are passed through the first separation line 32 into the second separation tank 30B, thereby separating the second extract of the preset temperature and pressure, and opening the first The output of the second separation tank 30B The second valve is outputted by switching the valve 33; then, the third separation switch valve 341 of the third separation tank 30C is opened, so that the object to be extracted and the fluid in the second separation tank 30B can pass through the second separation line. 34 is input into the third separation tank 30C, whereby the third extract of the preset temperature and pressure is separated, and the output switching valve 35 of the third separation tank 30C is opened to output the third extract. Thereby, according to the characteristics of the desired extract, the first separation tank 30A, the second separation tank 30B and the third separation tank 30C can be used to control different temperature and pressure conditions, thereby sequentially and sequentially separating the desired Different extracts can achieve the effect of multi-level separation, and the extract can be classified and separated separately, thereby improving the overall benefit of subsequent operations.

(2) Crystallization or foaming of the extract: as shown in Fig. 3, the extract to be crystallized and granulated may be placed in the supercritical tank 20A (or simultaneously placed in the two supercritical tanks 20A, 20B). The first separation tank 30A, the second separation tank 30B, and the third separation tank 30C are adjusted and controlled to have Different separation temperatures, pressures, and then open the fluid delivery line 11 and the switching valve 111 connected to the supercritical pressure source 10, and simultaneously open the fluid switching valve 21 of the supercritical tank 20A (or the two supercritical tanks 20A, 20B) The fluid in the critical pressure source 10 is input into the supercritical tank 20A (or the two supercritical tanks 20A, 20B), so that the input fluid and the object to be extracted are heated under pressure to form a supercritical state, and then the separation switch valve 231 is opened. The first separation switch valve 301 of the first separation tank 30A is configured to transport the to-be-extracted material and the supercritical fluid through the separation delivery line 23 into the first separation tank 30A, thereby separating the extract of the preset temperature and pressure, and opening The output of the first separation tank 30A opens and closes the valve 311, so that the separated extract is input into the compression cylinder 41, and then the compression switch valve 421 is opened, so that the compression cylinder 41 can intermittently compress the extract, so that the extract can be isostatically conveyed and compressed through the compression tube. The path 42 and the nozzle 44 are input into the crystallization tank 43, and the isobaric spray of the nozzle 44 allows the extract to be decompressed at a high speed to obtain crystal grains of the extract; and if the extract is a foamable substance, Nozzle 44, etc. Pressing and high-speed decompression, which can be foamed to form a foamed material for subsequent use; further, by adjusting the size of the nozzle 44, it can adjust the crystal size or foaming material of the extract crystal grain. Size.

(3) Extract reverse perfusion: as shown in Fig. 4, the porous article (such as wood, ceramic, wafer, animal skeleton, etc.) to be reperfused with the extract is placed in the supercritical tank 20A (or simultaneously placed on In the two supercritical tanks 20A, 20B), the fluid delivery line 11 and the switching valve 111 connected to the supercritical pressure source 10 are then opened, and the fluid switching valve 21 of the supercritical tank 20A (or the two supercritical tanks 20A, 20B) is simultaneously opened. The fluid in the supercritical pressure source 10 is introduced into the supercritical tank 20A (or the two supercritical tanks 20A, 20B) while the backflow fluid is pressurized into the supercritical tank 20A by the reverse priming pump 12 (or In the two supercritical tanks 20A, 20B), the input fluid and the reverse perfusion fluid are heated by pressure to form a supercritical state, so that the reverse perfusion fluid can follow the supercritical The fluid penetrates into the interior of the porous article, and then begins to lower the temperature and pressure, causes the supercritical fluid to leave the porous article, and the supercritical fluid after the temperature drop and the pressure drop is output from the reverse perfusion line 24 to the first separation tank 30A for supply. The subsequent recovery operation is carried out, and the extract can be retained in the porous article to complete the reverse priming operation.

(4) Free-standing circulation and recovery: As shown in Fig. 5, when the extract in the supercritical tank 20A (or another supercritical tank 20B) has been extracted, the recovery valve 511 can be opened to make the supercritical tank 20A The supercritical fluid is decompressed into the recovery separation tank 51 by the recovery line 22, thereby separating the supercritical fluid and the extract, and then the separated fluid can be pressurized and delivered to the recovery compressor line 53 and the recovery compressor 54 to The recovery tank 55 is stored; when the fluid is to be re-introduced into the supercritical tanks 20A, 20B, the recovery fluid switching valve 56 can be opened, so that the fluid in the recovery tank 55 can be input into the fluid delivery line 11, and then can be transported into the tank. The supercritical tanks 20A and 20B are used for use; therefore, the recovery pipeline 22, the recovery separation tank 51, the recovery and transportation pipeline 53, the recovery compressor 54, and the recovery tank 55 which are independently provided can be efficiently separated and recovered. The supercritical fluid is separated, so that the plurality of supercritical tanks connected in series or in parallel can be independently cycled and recovered, so that the supercritical tank and the overall system capability of the present invention can be optimally utilized.

From the above, it can be seen that the present invention can provide a multi-level extraction, crystal granulation or foaming of extracts, reversed perfusion and independent circulation and recovery functions, regardless of whether the supercritical extraction tanks are connected in series or in parallel. In any aspect, the above functions can be accomplished, and the system device of the present invention and the functions thereof can not be used; therefore, the present invention has significant novelty and progress, and has met the requirements of the invention patent. Patent application is filed according to law, and the patent is prayed for prayer.

However, the above description is only a possible embodiment for illustrating the present invention, and thus is not It is to be understood that the scope of the invention is to be construed as being limited by the scope of the invention and the scope of the invention.

Claims (1)

A multifunctional supercritical extraction system comprising a supercritical pressure source, at least two or more supercritical tanks, a first separation tank, a second separation tank, a third separation tank, a crystal granulation device and a recovery system; a supercritical pressure source for preparing a supercritical fluid, the supercritical pressure source being connected to a fluid delivery line, the fluid delivery line being connected to a supercritical tank, the fluid delivery line being provided with an on-off valve; The fluid delivery line is connected to a reverse perfusion fluid pressure pump, and the reverse perfusion fluid pressure pump is connected to the backflow fluid source; the supercritical tank is pivotally connected to the fluid delivery line of the supercritical pressure source, and Each of the two supercritical tanks is provided with a fluid switching valve for opening and closing the opening and closing of the supercritical fluid input; the supercritical tank is pivotally connected with a recovery pipeline, and the recovery pipeline is provided with a recovery switch valve, and the recovery pipeline system is The recovery system is connected; further, the supercritical tank is pivotally connected with a separation conveying pipeline, and the separation conveying pipeline is provided with a separation switch valve; further, the two supercritical tanks are respectively provided with a reverse perfusion pipeline, and the reverse perfusion pipeline is The separation conveying pipeline is connected, and a reverse pouring switch valve is arranged on the reverse pouring pipeline; the first separating tank is connected with the separating conveying pipeline for separating the supercritical fluid, the extract to be extracted, and the extract, and the first separating tank is arranged The first separation switch valve is provided, the first separation and opening relationship is connected with the separation and delivery pipeline, the first separation tank is provided with an output pipeline, the output pipeline is provided with an output switching valve, and the second separation tank is provided with a first separation line is connected to the first separation line for separating the supercritical fluid, the extract and the extract, and the first separation line is provided with a second separation switch valve. The second separation tank is provided with an output switching valve; the third separation tank is provided with a second separation line, and the second separation line is separated from the second a tank connection for separating the supercritical fluid, the extract and the extract, the second separation line is provided with a third separation switch valve, and the third separation tank is provided with an output switching valve; and then, the third separation tank a separation conveying pipeline is disposed, and is connected to the fluid conveying pipeline, and the separating conveying pipeline is provided with a separate conveying switch valve; the crystal granulating device comprises a compression cylinder, and the compression cylinder system and the An output pipe of a separation tank is connected, and a compression pipeline is connected to the compression cylinder. The compression pipeline is provided with a compression switch valve, the compression pipeline is provided with a crystallization tank, and a nozzle is arranged on the crystallization tank at the end of the compression pipeline; the recovery system The utility model comprises a recovery separation tank, a recovery separation tank and is connected with the recovery pipeline, and is provided with a recovery valve and a recovery pipeline, wherein the recovery separation tank is provided with a recovery output valve; and the recovery separation tank is connected with a recovery transportation a recovery compressor is disposed on the pipeline, the recovery pipeline, and a recovery tank is connected to the recovery tank, and the recovery tank is connected to the flow through a recovery fluid Transfer line is connected.