Extraction device adopting SFE method

Abstract

The utility model discloses an extraction device adopting an SFE method, and relates to the technical field of extraction devices, the extraction device comprises an extraction tank, a compressor and a pressure reduction groove, the outer wall of the pressure reduction groove is provided with a pressure reduction pipe, the inner wall of a mounting shell is provided with an adjusting electric pole, the output end of the adjusting electric pole is provided with a pressure reduction block, the inner wall of the pressure reduction pipe is provided with a containing groove, and the containing groove is provided with a containing groove. A filter layer frame is mounted at the top of the pressure reducing pipe, and a filter layer net is mounted on the inner wall of the filter layer frame. The pressure reducing mechanism is mounted, the size of the pressure reducing opening of the pressure reducing pipe is adjusted to a proper position by adjusting the distance between the pressure reducing blocks, then the pressure in the extraction tank is reduced through the pressure reducing groove and the pressure reducing pipe, and meanwhile, the filter layer net is used for filtering outside air; the condition that the extraction effect is influenced due to the fact that outside air with impurities enters the extraction tank is avoided, so that the pressure in the extraction tank is conveniently reduced, and the effect of rapidly extracting an extract is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of extraction devices, in particular to an extraction device adopting a SFE method. Background Art

[0002] SFE, or supercritical fluid extraction, is a technique that uses supercritical fluid as a solvent for extraction. The supercritical fluid commonly used in SFE is carbon dioxide, because it is non-toxic, non-flammable and safe for the human body. The SFE method has the advantages of quickly obtaining high extract yields, fully automatic and easy operation, and precision equipment with dedicated parameter control functions. The role of the extraction device using the SFE method is to transfer a specific component in a solution to another solvent using the SFE method to achieve the purpose of purification and separation.

[0003] Patent document CN218794006U discloses a new extraction device, which discloses "including an extraction cylinder, wherein the inner wall of the extraction cylinder is symmetrically provided with card grooves, a cylinder cover is engaged with the upper end of the extraction cylinder, card blocks are slidably installed inside the two card grooves, connecting rods are fixedly installed on the opposite ends of the two card blocks, and filters are fixedly installed on the lower ends of the two connecting rods. The filter is in contact with the inner wall of the extraction cylinder, and an inner groove is provided at the lower end of the inner wall of the extraction cylinder. When in use, the filter can be placed in the extraction cylinder first, and then the two card blocks are respectively inserted into the two card grooves to complete the card connection, and then the germ liquid and the extract are mixed and put into the extraction cylinder. At this time, the germ liquid and the extract will fall onto the filter, and the filter will filter them, thereby enhancing the extraction effect of the equipment. After the extraction is completed, the cylinder cover can be opened and the card block can be lifted upward to complete the removal of the filter, which is convenient for cleaning impurities, making the installation and removal of the filter more convenient and labor-saving."

[0004] However, a new extraction device in the above-mentioned public document mainly considers the disassembly of the filter to facilitate the cleaning of impurities, making the installation and disassembly of the filter more convenient and labor-saving, but is not convenient for decompressing the inside of the extraction tank to achieve the problem of rapid extraction of the extract. After the extraction is completed, it is necessary to wait for the carbon dioxide to return to normal pressure, which results in a long waiting time and reduces the extraction efficiency of the extract.

[0005] In view of this, it is necessary to develop a decompression mechanism, so as to reduce the pressure inside the extraction tank and achieve rapid extraction of the extract. Utility Model Content

[0006] The purpose of the utility model is to provide an extraction device using the SFE method to solve the technical problem of improving the extraction efficiency of the extraction device using the SFE method proposed in the above background technology.

[0007] To achieve the above object, the utility model provides the following technical solution: an extraction device using the SFE method, comprising: an extraction tank, a compressor is installed on the top of the extraction tank, and a decompression mechanism is provided on the outer wall of the extraction tank, and the decompression mechanism is used to decompress the inside of the extraction tank to achieve rapid extraction of the extract;

[0008] The pressure reducing mechanism comprises a pressure reducing groove, which is arranged on the inner wall of the extraction tank, a pressure reducing pipe is installed on the outer wall of the pressure reducing groove, a mounting shell is installed on the outer wall of the pressure reducing pipe, an adjusting pole is installed on the inner wall of the mounting shell, a pressure reducing block is installed on the output end of the adjusting pole, a storage groove is provided on the inner wall of the pressure reducing pipe, a sealing ring is installed on the inner wall of the storage groove, a filter layer frame is installed on the top of the pressure reducing pipe, a filter layer net is installed on the inner wall of the filter layer frame, a locking screw groove is provided on the top of the pressure reducing pipe, a locking screw is installed on the outer wall of the filter layer frame, and one end of the locking screw extends to the inside of the locking screw groove.

[0009] Preferably, a control box is installed on the outer wall of the extraction tank, a sample slot is provided on the top of the extraction tank, and a sample sealing cover is installed on the top of the sample slot.

[0010] Preferably, an extraction motor is installed on the top of the extraction tank, an extraction shaft is installed on the output end of the extraction motor, a temperature control component is installed on the inner wall of the extraction tank, a discharge pipe is provided at the bottom of the extraction tank, and a separator is installed at the bottom of the extraction tank.

[0011] Preferably, an outer wall of the extraction tank is provided with an assembly and accommodation mechanism, and the assembly and accommodation mechanism is used to accommodate and place the extracted extract.

[0012] Preferably, the assembly accommodating mechanism comprises a accommodating frame, a hinge is installed on the top of the accommodating frame, and a accommodating cover is installed on the outer wall of the hinge.

[0013] Preferably, a driving groove is provided on the inner wall of the accommodating frame, a limiting slide rod is installed on the inner wall of the driving groove, a rack is installed around the outer wall of the limiting slide rod, a driving motor is installed on the inner wall of the driving groove, a gear is installed on the output end of the driving motor, and the gear is meshed with the rack, and a drain frame is installed on the outer wall of the rack.

[0014] Preferably, a drainage inclined plate is installed on the inner wall of the containing frame, and a drainage hole is provided on the inner wall of the containing frame.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The utility model is provided with a decompression mechanism to decompress the inside of the extraction tank, so as to achieve rapid extraction of the extract. After the extraction is completed, it is necessary to wait for the carbon dioxide to return to the normal pressure state, which results in a long waiting time and reduces the extraction efficiency of the extract. Therefore, it is necessary to improve this. When the extraction is completed, the electric pole is adjusted to drive the decompression block to move into the storage groove, and the distance of the decompression block is adjusted to adjust the size of the decompression port of the decompression pipe to a suitable position, and then the decompression work in the extraction tank is carried out through the decompression groove and the decompression pipe. At the same time, the filter layer net is used to filter the outside air to avoid the situation that the outside air with impurities enters the extraction tank and affects the extraction effect. The filter layer net is installed through the filter layer frame. The locking screw is fixed to the locking screw groove, and the filter layer frame can be installed on the top of the decompression pipe, and it can be easily disassembled and replaced, so as to facilitate the decompression of the inside of the extraction tank, so as to achieve the effect of rapid extraction of the extract.

[0017] 2. The utility model is equipped with an assembly and accommodating mechanism to accommodate and place the extracted extracts. At present, the extraction tank does not have the function of summarizing the extracted extracts. At the same time, the extracted extracts may carry liquid samples, so it is necessary to improve this. First, the extracted extracts are added to the drain frame, and then the accommodating cover is rotated by hinges to seal the accommodating frame. The bottom of the drain frame is grid-shaped, so the extracts are located in the drain frame for draining. The drained liquid is discharged to the outside of the accommodating frame through the drain inclined plate and the drainage hole. After completing the previous operation, when the extracts in the drain frame need to be taken, the drive motor drives the gear to rotate, and then the rack moves on the limiting slide bar, which drives the position of the drain frame to rise, which is convenient for taking the extracts inside it, and then it is convenient to accommodate and drain the extracted extracts. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a front structural schematic diagram of the utility model;

[0020] Figure 3 It is a partial structural schematic diagram of the decompression mechanism of the utility model;

[0021] Figure 4 It is a schematic diagram of the structure of the containing frame part of the utility model.

[0022] In the figure: 1. extraction tank; 2. control box; 3. sample slot; 4. sample cover; 5. extraction motor; 6. extraction shaft; 7. temperature control assembly; 8. discharge pipe; 9. separator; 10. compressor; 11. pressure reducing slot; 12. pressure reducing pipe; 13. mounting shell; 14. adjusting pole; 15. pressure reducing block; 16. storage slot; 17. sealing ring; 18. filter layer frame; 19. filter layer net; 20. locking screw slot; 21. locking screw; 22. containing frame; 23. hinge; 24. containing cover; 25. driving slot; 26. limiting slide rod; 27. rack; 28. driving motor; 29. ​​gear; 30. drain frame; 31. drain inclined plate; 32. drainage hole. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] See also Figure 1 and Figure 2An extraction device using the SFE method comprises: an extraction tank 1, a compressor 10 is installed on the top of the extraction tank 1, a control box 2 is installed on the outer wall of the extraction tank 1, a sample slot 3 is installed on the top of the extraction tank 1, a sample cover 4 is installed on the top of the sample slot 3, an extraction motor 5 is installed on the top of the extraction tank 1, an extraction shaft 6 is installed on the output end of the extraction motor 5, a temperature adjustment component 7 is installed on the inner wall of the extraction tank 1, a discharge pipe 8 is provided at the bottom of the extraction tank 1, and a separator 9 is installed at the bottom of the extraction tank 1. The sample is added into the extraction tank 1 through the sample slot 3, and the sample is condensed by the sample cover 4. The tank 3 is sealed, and then the compressor 10 compresses the carbon dioxide to a supercritical state, which allows the carbon dioxide to penetrate into the sample and dissolve the extractable components therein. The soluble components in the sample will diffuse and dissolve into the supercritical carbon dioxide, thereby realizing the extraction process. This process can utilize the temperature control component 7 and the extraction motor 5 to drive the extraction shaft 6 to rotate to optimize the extraction process in order to obtain the best extraction effect. After the extraction is completed, wait for the carbon dioxide to return to normal pressure, discharge the material through the discharge pipe 8, and extract the extract through the separator 9.

[0027] See also Figure 2 and Figure 3The outer wall of the extraction tank 1 is provided with a decompression mechanism, which is used to decompress the inside of the extraction tank 1 to achieve rapid extraction of the extract. The decompression mechanism includes a decompression groove 11, which is arranged on the inner wall of the extraction tank 1, and a decompression pipe 12 is installed on the outer wall of the decompression groove 11. A mounting shell 13 is installed on the outer wall of the decompression pipe 12, and an adjusting pole 14 is installed on the inner wall of the mounting shell 13. A decompression block 15 is installed on the output end of the adjusting pole 14, and a storage groove 16 is provided on the inner wall of the storage groove 16. A sealing ring 17 is installed on the inner wall of the storage groove 16. A filter layer frame 18 is installed on the top of the decompression pipe 12, and a filter layer net 19 is installed on the inner wall of the filter layer frame 18. A locking screw groove 20 is provided on the top of the decompression pipe 12, and a locking screw 21 is installed on the outer wall of the filter layer frame 18, and one end of the locking screw 21 extends to the inside of the locking screw groove 20. After the extraction is completed, it is necessary to wait for the carbon dioxide to be removed. The carbon is restored to normal pressure, which leads to a long waiting time and reduces the extraction efficiency of the extract. Therefore, it is necessary to improve this. After the extraction is completed, the electric pole 14 is adjusted to drive the pressure reducing block 15 to move to the storage groove 16, and the distance of the pressure reducing block 15 is adjusted to adjust the size of the pressure reducing port of the pressure reducing pipe 12 to a suitable position. Then, the pressure reducing groove 11 and the pressure reducing pipe 12 are used to reduce the pressure in the extraction tank 1. At the same time, the filter layer net 19 is used to filter the outside air to avoid the situation where the outside air with impurities enters the extraction tank 1 and affects the extraction effect. The filter layer net 19 is installed through the filter layer frame 18. The locking screw 21 is fixed to the locking screw groove 20. The filter layer frame 18 can be installed on the top of the pressure reducing pipe 12, and it can be easily disassembled and replaced, thereby facilitating the decompression of the inside of the extraction tank 1, so as to achieve the effect of rapid extraction of the extract.

[0028] See also Figure 2 and Figure 4The outer wall of the extraction tank 1 is provided with an assembly accommodating mechanism, which is used to accommodate and place the extracted extract. The assembly accommodating mechanism includes a accommodating frame 22, a hinge 23 is installed on the top of the accommodating frame 22, and a accommodating cover 24 is installed on the outer wall of the hinge 23. A driving groove 25 is provided on the inner wall of the accommodating frame 22, and a limiting slide bar 26 is installed on the inner wall of the driving groove 25. A rack 27 is installed around the outer wall of the limiting slide bar 26, and a driving motor 28 is installed on the inner wall of the driving groove 25. A gear 29 is installed on the output end of the driving motor 28, and the gear 29 is meshed with the rack 27. A drain frame 30 is installed on the outer wall of the rack 27, and a drain inclined plate 31 is installed on the inner wall of the accommodating frame 22. A drainage hole 32 is provided on the inner wall of the accommodating frame 22. At present, there is no drainage on the extraction tank 1 for the extracted extract. The function of summarizing the extracts is that the extracted extracts may carry liquid samples, so it is necessary to improve this. First, the extracted extracts are added to the drain frame 30, and then the receiving cover 24 is rotated by the hinge 23 to seal the receiving frame 22. The bottom of the drain frame 30 is a grid-shaped, so the extracts are located in the drain frame 30 for draining, and the drained liquid is discharged to the outside of the receiving frame 22 through the drain inclined plate 31 and the drainage hole 32. After completing the previous operations, when it is necessary to take the extracts in the drain frame 30, the drive motor 28 works to drive the gear 29 to rotate, and then the rack 27 moves on the limiting slide bar 26, which drives the position of the drain frame 30 to rise, so that the extracts inside it can be taken, and then it is convenient to accommodate, place and drain the extracted extracts.

[0029] Working principle: add the sample into the extraction tank 1 through the sample slot 3, seal the sample slot 3 with the sample cover 4, and then compress the carbon dioxide into a supercritical state by the compressor 10. This state allows the carbon dioxide to penetrate into the sample and dissolve the extractable components therein. The soluble components in the sample will diffuse and dissolve into the supercritical carbon dioxide, thereby realizing the extraction process. In this process, the temperature control component 7 and the extraction motor 5 can be used to drive the extraction shaft 6 to rotate to optimize the extraction process in order to obtain the best extraction effect. After the extraction is completed, wait for the carbon dioxide to return to normal pressure, and the discharge pipe 8 will discharge it. The material is discharged, and the extract is extracted through the separator 9. After the extraction is completed, it is necessary to wait for the carbon dioxide to return to the normal pressure state, which leads to a long waiting time and reduces the extraction efficiency of the extract. Therefore, it is necessary to improve this. When the extraction is completed, the electric rod 14 is adjusted to drive the decompression block 15 to move to the storage groove 16, and the distance of the decompression block 15 is adjusted to adjust the size of the decompression port of the decompression pipe 12 to a suitable position. Then, the decompression work in the extraction tank 1 is carried out through the decompression groove 11 and the decompression pipe 12. At the same time, the filter layer net 19 is used to filter the outside air to avoid the air with impurities from the outside. The situation that the gas enters the extraction tank 1 and affects the extraction effect, and the filter layer net 19 is installed through the filter layer frame 18, and the locking screw 21 is fixed to the locking screw groove 20, and the filter layer frame 18 can be installed on the top of the pressure reducing pipe 12, and it can be easily disassembled and replaced, so as to facilitate the pressure reduction inside the extraction tank 1, so as to achieve the effect of rapid extraction of the extract. At present, the extraction tank 1 does not have the function of summarizing the extracted extract, and the extracted extract may carry the liquid sample, so it is necessary to improve this. First, the extracted extract is added to the drain frame 30. , and then the receiving cover 24 is rotated by the hinge 23 to seal the receiving frame 22. The bottom of the drain frame 30 is in a grid shape, so the extract is located in the drain frame 30 and can be drained. The drained liquid is discharged to the outside of the receiving frame 22 through the drain inclined plate 31 and the drainage hole 32. After completing the previous operation, when the extract in the drain frame 30 needs to be taken out, the drive motor 28 drives the gear 29 to rotate, and then the rack 27 moves on the limiting slide bar 26, which drives the position of the drain frame 30 to rise, so that the extract inside it can be taken out, and then the extracted extract can be conveniently placed and drained.

[0030] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. An extraction device using the SFE method, characterized in that: The invention comprises: an extraction tank (1), a compressor (10) being installed on the top of the extraction tank (1), a decompression mechanism being provided on the outer wall of the extraction tank (1), the decompression mechanism being used to decompress the interior of the extraction tank (1) so as to achieve rapid extraction of the extract; The decompression mechanism comprises a decompression groove (11), wherein the decompression groove (11) is arranged on the inner wall of the extraction tank (1), a decompression pipe (12) is installed on the outer wall of the decompression groove (11), a mounting shell (13) is installed on the outer wall of the decompression pipe (12), an adjusting pole (14) is installed on the inner wall of the mounting shell (13), a decompression block (15) is installed on the output end of the adjusting pole (14), a storage groove (16) is provided on the inner wall of the decompression pipe (12), a sealing ring (17) is installed on the inner wall of the storage groove (16), a filter layer frame (18) is installed on the top of the decompression pipe (12), a filter layer net (19) is installed on the inner wall of the filter layer frame (18), a locking screw groove (20) is provided on the top of the decompression pipe (12), a locking screw (21) is installed on the outer wall of the filter layer frame (18), and one end of the locking screw (21) extends to the inside of the locking screw groove (20).

2. An extraction device using the SFE method according to claim 1, characterized in that: A control box (2) is installed on the outer wall of the extraction tank (1), a sample slot (3) is provided on the top of the extraction tank (1), and a sample sealing cover (4) is installed on the top of the sample slot (3).

3. An extraction device using the SFE method according to claim 1, characterized in that: An extraction motor (5) is installed on the top of the extraction tank (1), an extraction shaft (6) is installed on the output end of the extraction motor (5), a temperature adjustment component (7) is installed on the inner wall of the extraction tank (1), a discharge pipe (8) is provided at the bottom of the extraction tank (1), and a separator (9) is installed at the bottom of the extraction tank (1).

4. An extraction device using the SFE method according to claim 1, characterized in that: The outer wall of the extraction tank (1) is provided with an assembly and accommodation mechanism, and the assembly and accommodation mechanism is used to accommodate and place the extracted extract.

5. An extraction device using the SFE method according to claim 4, characterized in that: The assembly accommodating mechanism comprises a accommodating frame (22), a hinge (23) is installed on the top of the accommodating frame (22), and an accommodating cover (24) is installed on the outer wall of the hinge (23).

6. An extraction device using the SFE method according to claim 5, characterized in that: The inner wall of the accommodating frame (22) is provided with a driving groove (25), the inner wall of the driving groove (25) is installed with a limiting slide bar (26), the outer wall of the limiting slide bar (26) is surrounded by a rack (27), the inner wall of the driving groove (25) is installed with a driving motor (28), the output end of the driving motor (28) is installed with a gear (29), and the gear (29) is meshed with the rack (27), and the outer wall of the rack (27) is installed with a drain frame (30).

7. An extraction device using the SFE method according to claim 5, characterized in that: The inner wall of the containing frame (22) is provided with a drainage inclined plate (31), and the inner wall of the containing frame (22) is provided with a drainage hole (32).

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