Traditional Chinese medicine processing equipment based on supercritical CO2 synergy and use method thereof

Abstract

The invention provides traditional Chinese medicine processing equipment based on supercritical CO2 synergy and a use method of the traditional Chinese medicine processing equipment, and relates to the technical field of traditional Chinese medicine processing equipment.The traditional Chinese medicine processing equipment comprises a processing bin, a cylindrical processing cavity with one end open is formed in the processing bin, and a vortex generator is fixedly arranged in the center of the bottom of the processing cavity; a plurality of steady-flow spraying rings are communicated with one another and axially embedded and fixedly arranged in the cavity wall of the processing cavity in an array mode, a plurality of nozzles are arranged on the inner walls of the steady-flow spraying rings in a surrounding mode, the nozzles penetrate through and extend into the processing cavity, any steady-flow spraying ring is externally connected with an air supply mechanism, and a supercritical CO2 generation bin and an auxiliary material bin are fixedly arranged on one side of the outer portion of the processing bin; the supercritical CO2 generating bin and the auxiliary material bin are communicated through a high-pressure pipeline and a porous spraying disc fixedly arranged at the bottom of the processing cavity, the high-pressure pipeline is communicated with an atomizing bin, and an ultrasonic atomizer and an electrostatic generator are fixedly arranged in the atomizing bin; through non-contact heating and supercritical auxiliary material permeation, the problems that the auxiliary material utilization rate is low and the medicinal material processing quality stability is poor are solved.

Description

Technical Field

[0001] The present invention relates to the technical field of Chinese medicine processing equipment, in particular to a method based on supercritical CO 2 Efficacy-enhanced Chinese medicine preparation equipment and use method thereof. Background Art

[0002] As the core equipment for Chinese medicine preparation, the Chinese medicine stir-frying machine is used to modify the preparation of medicinal materials through heating, stir-frying and mixing of auxiliary materials, which directly affects the retention of effective ingredients and the standardization of preparation technology.

[0003] However, the prior art has the following prominent problems: First, the traditional equipment adopts a mode combining drum mechanical stirring with direct gas heating, which leads to frequent collisions between medicinal materials and metal blades and drum walls, resulting in a high breakage rate (such as the popping rate of fenugreek is less than 80%), which easily leads to the loss of effective ingredients. At the same time, it relies on metal contact to conduct heat, and the heat transfer efficiency is low and unevenly distributed, which easily leads to the phenomenon that the surface of the medicinal materials is charred while the inside is not cooked, affecting the uniformity of processing; second, the auxiliary material mixing link relies on manual spraying and mechanical stirring, and the auxiliary materials (such as vinegar, wine, etc.) have a low adhesion rate and uneven distribution on the surface of the medicinal materials, and the auxiliary materials have a low utilization rate, resulting in waste of resources and poor stability of processing quality. The above defects seriously restrict the efficiency of Chinese medicine processing, the quality of finished products and the adaptability of the process. Summary of the invention

[0004] In view of the shortcomings of the prior art, the present invention provides a supercritical CO 2 The invention discloses an enhanced Chinese medicine processing equipment and a method for using the same, which solves the problems of low auxiliary material utilization and poor stability of medicinal material processing quality existing in the prior art.

[0005] According to an embodiment of the present invention, a supercritical CO 2 The enhanced Chinese medicine processing equipment includes:

[0006] A preparation chamber, wherein a cylindrical preparation chamber with an opening at one end is provided in the preparation chamber, a chamber cover is provided on one side of the opening, and a thermometer and a pressure gauge are fixedly provided on the outer wall of the preparation chamber;

[0007] The preparation mechanism comprises a vortex generator and a steady flow spray ring, wherein the vortex generator is fixedly arranged at the bottom of the preparation chamber, a heating source is arranged at the bottom of the vortex generator, a plurality of steady flow spray rings are interconnected and embedded in the cavity wall of the preparation chamber, a plurality of nozzles penetrating and extending into the preparation chamber are arranged around the inner wall of the steady flow spray ring, and any of the steady flow spray rings is connected to an air supply mechanism outside the preparation chamber;

[0008] The drug mixing mechanism includes a fixed supercritical CO 2 The supercritical CO2 The outlet ends of the generating chamber and the auxiliary material chamber are connected to a porous injection disk fixedly arranged at the bottom of the preparation chamber through a high-pressure pipeline. The high-pressure pipeline is also connected in series with an atomization chamber and a driving source. An ultrasonic atomizer and an electrostatic generator are arranged in the atomization chamber.

[0009] The technical principle of the present invention is as follows: when in use, the vortex generator and the heating source are started, the vortex generator can generate vertical upward airflow and heat the medicinal materials, and at the same time, the air supply mechanism and the steady flow spray ring are turned on to generate radial airflow, so that the medicinal materials can be suspended and tumbled in the processing chamber, and then the supercritical CO is started. 2 The generation chamber and auxiliary material chamber use the driving source to transfer supercritical CO 2 The ultrasonic atomizer in the atomization chamber transfers supercritical CO 2 and auxiliary material atomization, the electrostatic generator makes supercritical CO 2 The auxiliary materials are accompanied by static electricity, and finally sprayed into the processing cavity through a porous spray disk to be evenly mixed with the medicinal materials.

[0010] Furthermore, the vortex generator includes a turbine blade, and an adsorption net is fixedly arranged on the top of the turbine blade.

[0011] Furthermore, the heating source includes a heating wire, and the heating wire is fixedly arranged at the bottom of the turbine blade.

[0012] Furthermore, the multi-porous injection disk is fixedly arranged at the bottom of the preparation chamber around the vortex generator, an injection chamber is arranged in the multi-porous injection disk, and the injection chamber is provided with a plurality of injection holes connecting the inside and the outside on one side of the disk surface.

[0013] Furthermore, the driving source includes a high-pressure pump, and the supercritical CO 2 The discharge ends of the generating bin and the auxiliary material bin are connected in series and then communicated with the feed end of the high-pressure pump, the discharge end of the high-pressure pump is communicated with the feed end of the atomizing bin, and the discharge end of the atomizing bin is communicated with the injection chamber.

[0014] Furthermore, the air supply mechanism includes an air compressor, which is fixedly arranged, and a ceramic electric heating tube is fixedly arranged at the air inlet or outlet end of the air compressor. The air outlet end of the air compressor is connected to the steady flow spray ring through a conveying pipe, and a boosting pump is arranged in series on the conveying pipe.

[0015] Furthermore, a high-pressure steam generator is also arranged in parallel at the air outlet end of the air compressor, a delivery pump is fixedly arranged at the steam outlet end of the high-pressure steam generator, and a switching valve is fixedly arranged at the parallel connection point between the air compressor and the delivery pump.

[0016] Furthermore, the processing chamber is provided with a microporous filter obliquely on the top of the vortex generator and the porous injection disk, a plurality of air holes are evenly arranged on the microporous filter, the microporous filter is elastically connected to the inner wall of the processing chamber through a spring, a piezoelectric ceramic sheet is fixedly provided at the connection between the microporous filter and the spring, an arc-shaped slag outlet is provided at the lower end of the microporous filter, the processing chamber is provided with a slag collecting chamber near the arc-shaped slag outlet, and a slag collecting box is detachably provided in the slag collecting chamber.

[0017] Furthermore, a transparent viewing mirror is arranged in the middle of the bin cover, an annular rubber ring is fixedly arranged around the inner wall cover edge of the bin cover, and a plurality of infrared lamps are evenly and fixedly arranged between the transparent viewing mirror and the rubber ring.

[0018] Furthermore, according to an embodiment of the present invention, a method for using the above-mentioned Chinese medicine processing device is also provided, which comprises the following steps:

[0019] S1: Put the medicinal materials into the processing chamber, close the chamber cover, start the vortex generator and the heating source, heat the medicinal materials with hot air until the surface temperature is 80°C, start the air supply mechanism and the steady flow spray ring at the same time, and continue to heat up for 2 minutes;

[0020] S2: Add the corresponding auxiliary materials into the auxiliary material bin and start the supercritical CO 2 The generating chamber is set to increase the pressure in the chamber to 7.38-10MPa and the temperature to 31-40°C, the auxiliary material chamber and the driving source are started, and the ultrasonic atomizer and the electrostatic generator are started synchronously, so that the auxiliary material entering the atomization chamber is atomized at a rate of 5-15mL / min, and the electrostatic adsorption field strength is set to 5kV / m, and then the porous injection disk is started to make the auxiliary material adhere to the surface of the medicinal material in a directional manner;

[0021] S3: The peak pressure in the chamber is adjusted to 10 MPa by the driving source, maintained for 10-15 seconds, and then reduced to 5 MPa for 20-25 seconds to accelerate the penetration of auxiliary materials, and then the supercritical CO is turned off. 2 The chamber is opened, and the temperature in the chamber is raised to 180°C to solidify the auxiliary materials, and hot air heating is continued for 2 minutes;

[0022] S4: Close the processing chamber and take out the medicinal materials after they have cooled down.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] 1. By using a vortex generator and a heating source to form a vertically rising hot air flow, the medicinal materials in the processing chamber can be evenly heated, the heat transfer is stable, the heat transfer efficiency is improved, and the problem of charring of the surface of the medicinal materials or uncookedness of the inside is avoided, thereby improving the processing quality.

[0025] 2. The radial airflow is generated in the processing chamber through the air supply mechanism and the steady flow spray ring, which forms a composite airflow vortex with the axial airflow generated by the vortex generator, so that the medicinal materials can be suspended and tumbled, avoiding breakage caused by mechanical contact and improving the integrity rate of the medicinal materials.

[0026] 3. The auxiliary materials are atomized by the ultrasonic atomizer in the atomization chamber, and the electrostatic generator makes the auxiliary materials have static electricity. Finally, the atomized auxiliary materials are sprayed onto the surface of the medicinal materials for directional adsorption using a porous spray disk, which greatly improves the utilization rate of the auxiliary materials and the uniformity of coating.

[0027] 4. Through supercritical CO 2 Supercritical CO is generated in the generation chamber 2 , using supercritical CO 2 It has the characteristics of high diffusivity and high permeability, can easily penetrate micron-sized pores, and can make auxiliary material molecules such as wine and vinegar act as entrainers, and form co-solvents with the entrainers to enter the micropores of medicinal materials, thereby increasing the permeability of auxiliary materials to medicinal materials, further improving the utilization rate of auxiliary materials and reducing auxiliary material consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present invention.

[0029] Figure 2 for Figure 1 A schematic diagram of the enlarged structure in the middle.

[0030] Figure 3 It is a schematic diagram of the structure of the processing chamber according to an embodiment of the present invention.

[0031] Figure 4 It is a schematic diagram of the cross-sectional structure of a processing chamber according to an embodiment of the present invention.

[0032] Figure 5 for Figure 4 Enlarged schematic diagram of the structure at point B in the middle.

[0033] Figure 6 for Figure 4 Enlarged schematic diagram of the structure at point C in the middle.

[0034] Figure 7 It is a schematic diagram of the structure of a vortex generator according to an embodiment of the present invention.

[0035] Figure 8 It is a schematic diagram of the structure of the steady flow spray ring according to an embodiment of the present invention.

[0036] Fig. 9 Schematic diagram of the nozzle structure of an embodiment of the present invention.

[0037] Fig.10 Schematic diagram of the structure of a multi-hole injection disk according to an embodiment of the present invention.

[0038] Fig.11 It is a schematic diagram of the structure of a microporous filter according to an embodiment of the present invention.

[0039] Fig.12 It is a schematic diagram of the half-section structure of the back side of the base according to an embodiment of the present invention.

[0040] Fig.13 Schematic diagram of the structure of the drug mixing mechanism according to an embodiment of the present invention.

[0041] Fig.14 It is a schematic top view of the overall structure of another embodiment of the present invention.

[0042] In the above drawings: 1, base; 11, mounting groove; 12, first cylinder; 13, second cylinder; 14, rotating groove; 2, cooking chamber; 21, chamber cover; 211, handle; 212, slot; 213, transparent sight glass; 214, rubber ring; 215, infrared lamp; 22, fixed seat; 221, gear lever; 23, cooking chamber; 24, thermometer; 25, pressure regulating valve; 251, pressure gauge; 26, arc plate; 27, slag trough; 28, slag collecting chamber; 281, slag collecting box; 29, rotating seat; 3, vortex generator; 31, turbine fan blade; 32, electric heating wire; 33, adsorption net; 4, steady flow spray ring; 41, nozzle; 411, filter plate; 42, air supply pipe; 5, supercritical CO 2 Generator; 51, feeding port; 52, first pressure gauge; 53, balance pipe; 54, sight glass; 55, thermometer; 56, support leg; 57, first air valve; 6, auxiliary material bin; 61, auxiliary material inlet; 62, second air valve; 63, second pressure gauge; 64, high pressure pump; 65, atomization bin; 66, high pressure pipeline; 661, third air valve; 7, multi-hole injection disc; 71, injection chamber; 711, feeding pipe; 72, spray Perforation; 8. Microporous filter; 81. Micropores; 82. Spring; 821. Limiting column; 83. Ceramic piezoelectric sheet; 84. Arc-shaped slag outlet; 9. Ceramic electric heating tube; 91. Air inlet; 92. Fourth air valve; 93. Air compressor; 94. Fifth air valve; 95. Booster pump; 96. Feed pipe; 10. High-pressure steam generator; 101. Liquid inlet; 102. Sixth air valve; 103. Delivery pump; 104. Switching valve. DETAILED DESCRIPTION

[0043] The technical solution of the present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0044] like Figure 1-3 As shown, the embodiment of the present invention proposes a method based on supercritical CO 2The invention discloses a synergistic Chinese medicine processing device, comprising: a processing chamber 2, wherein the processing chamber 2 is cylindrical and has a cylindrical processing chamber 23 with one end open coaxially arranged therein; the processing chamber 2 is hingedly provided with a chamber cover 21 near the opening end; a transparent sight glass 213 is arranged in the middle of the chamber cover 21 for observing the internal situation of the processing chamber 23; an annular rubber ring 214 is fixedly arranged around the inner wall cover edge of the chamber cover 21; the rubber ring 214 is in contact with the processing chamber 23 when the chamber cover 21 is closed The inner wall of the cavity 23 fits together to increase the sealing of the artillery chamber 2. A handle 211 is fixedly provided on the outer wall of the chamber cover 21. A slot 212 is also fixedly provided on the side wall of the chamber cover 21. A fixing seat 22 is fixedly provided on the side wall of the artillery chamber 2 near the slot 212. A gear handle 221 is rotatably hinged on the fixing seat 22. The gear handle 221 can be engaged with the slot 212, so that the chamber cover 21 can be firmly fixed when closed. Furthermore, A thermometer 24 is fixedly provided on the outer wall of the preparation bin 2, and the thermometer 24 can be set as a thermometer, a temperature sensor or other temperature measuring components. The accuracy of the thermometer 24 can be verified by an infrared thermal imager. At the same time, a pressure regulating valve 25 is also connected to the outer wall of the preparation bin 2, and the pressure regulating valve 25 can be used to adjust the pressure in the preparation bin 2. A manometer 251 is connected to the pressure regulating valve 25, and the manometer 251 can be set as a pressure gauge, a pressure sensor or other pressure measuring components, and can be calibrated by a standard pressure gauge (accuracy 0.1 level). The thermometer 24 and the manometer 251 can monitor the temperature and pressure in the preparation bin 2. The pressure regulating valve 25 is externally connected to the exhaust gas treatment system, and the exhaust gas is condensed and purified by a condenser and a purification device. The condensate can recover medicinal ingredients (such as furan substances) according to actual needs, and the remaining waste is purified to meet environmental protection standards. Since the existing exhaust gas treatment system is very mature, it will not be repeated here.

[0045] like Figure 1 and Figure 4-9 As shown, the embodiment of the present invention proposes a method based on supercritical CO 2The enhanced Chinese medicine processing equipment also includes a processing mechanism, the processing mechanism includes a vortex generator 3, the vortex generator 3 includes an axially rotating turbine blade 31, the turbine blade 31 can be made of titanium alloy, the turbine blade 31 is driven by a motor, and is coaxially fixedly arranged at the bottom center of the processing chamber 23, the bottom center of the processing chamber 23 is fixedly provided with a mounting arc plate 26, the vortex generator 3 is coaxially fixedly arranged on the mounting arc plate 26, and is a distance away from the bottom of the processing chamber 23, the bottom of the mounting arc plate 26 is provided with a vent that penetrates the plate surface, for the vortex generator 3 to take in air An adsorption net 33 is fixedly provided on the top of the turbine blade 31 to filter the blown hot air. A heating source is provided at the bottom of the vortex generator 3. The heating source can be set to an electric heating wire 32, a silicon carbon rod or other heating components such as an electromagnetic coil. In the present embodiment, the heating source is set to an electric heating wire 32, and the electric heating wire 32 is fixedly provided at the bottom of the turbine blade 31 in a vortex shape. The material of the vortex generator 3 described in the present embodiment is high temperature resistant and high pressure resistant material, and the turbine blade 31 needs to be subjected to shaft sealing treatment to meet the high temperature and high pressure use environment, so that hot air can be stably input into the preparation cavity 23.

[0046] like Figure 1 and Figure 4-9 As shown, further, the preparation mechanism also includes a steady flow spray ring 4, which is connected end to end to form a ring, and multiple steady flow spray rings 4 are connected to each other in sequence through air supply ducts and are axially embedded and fixed in the wall of the preparation chamber 23 in an array. A number of nozzles 41 are arranged around the inner wall of the steady flow spray ring 4, and the nozzle of the nozzle 41 is arranged to have a conical tapered structure. The material can be 316L stainless steel, and a silicon nitride coating is sprayed on the surface to improve wear resistance. A venturi tube structure can be adopted inside the nozzle 41 to further accelerate the airflow while reducing turbulence. The nozzle 41 passes through the preparation chamber 23 and extends into it. In order to prevent the nozzle 41 from being blocked by impurities, a filter disc 411 is also fixedly arranged at the nozzle of the nozzle 41. The bottom of the nozzle 41 can be detachably connected to the steady flow spray ring 4 through a quick-insert interface or a thread to realize the function of quick disassembly, cleaning or replacement. An air supply pipe 42 for air intake is arranged on the outside of any of the steady flow spray rings 4.

[0047] In this embodiment, the vortex generator 3 can generate an axial airflow, and the steady-flow spray ring 4 can generate a radial airflow, and the two form a composite airflow vortex, so that the medicinal materials can be suspended and tumbled, avoiding breakage caused by mechanical contact, and improving the integrity rate of the medicinal materials. As a better implementation method of this embodiment, the nozzle 41 can also be set to be rotatable. For example, a spherical hinge can be added to the root of the nozzle 41, and the spherical hinge can be sealed and embedded in the steady-flow spray ring 4, and a micro servo motor that can drive the nozzle 41 to rotate is arranged around it, and the angle of the nozzle 41 can be adjusted according to the suspension situation of the medicinal materials to further adapt to the dynamic airflow requirements.

[0048] like Figure 1 and Figure 13-14 As shown, the embodiment of the present invention proposes a method based on supercritical CO 2 The synergistic Chinese medicine processing equipment also includes a medicine mixing mechanism, which includes a supercritical CO 2 Generator 5, the supercritical CO 2 The generating chamber 5 can be made of titanium alloy so that it can withstand a pressure of up to 35 MPa. 2 The generating chamber 5 is equipped with a copper spiral cooling tube and uses an external compressor to realize CO 2 Liquefaction and gasification cycle, the supercritical CO 2 The generating chamber 5 is fixedly arranged on one side of the outside of the processing chamber 2 by means of supporting legs 56. 2 The top of the generating chamber 5 is fixed with a 2 The feeding port 51 is opened and closed by a valve, and the supercritical CO 2 The side wall of the generating chamber 5 is also connected to a thermometer 55 for monitoring the temperature and a sight glass 54 for observing the state of the internal material. 2 A supplementary material bin 6 is fixedly arranged on one side of the generating bin 5, and a supplementary material inlet 61 is arranged on the side wall of the supplementary material bin 6. 2 The side walls of the generating bin 5 and the auxiliary material bin 6 are connected through a balance pipe 53 for material balance. The balance pipe 53 is provided with a valve for controlling the opening and closing. 2 The outlet end of the generating chamber 5 and the outlet end of the auxiliary material chamber 6 are connected in series through a high-pressure pipeline 66. The high-pressure pipeline 66 is connected to the supercritical CO 2A first pressure gauge 52 and a first air valve 57 are provided at the outlet end of the generating bin 5, a second pressure gauge 63 and a second air valve 62 are provided at the outlet end of the auxiliary material bin 6, and a driving source for driving the material movement is also provided in series on the high-pressure pipeline 66. In the present embodiment, the driving source is provided as a high-pressure pump 64, and the discharge end of the auxiliary material bin 6 is connected to the feed end of the high-pressure pump 64, and the discharge end of the high-pressure pump 64 is connected to an atomization bin 65, and a third air valve 661 is provided on the pipeline between the two. An ultrasonic atomizer and an electrostatic generator are fixedly provided in the atomization bin 65, and the ultrasonic atomizer can atomize the auxiliary material, and the electrostatic generator makes the auxiliary material carry static electricity, so as to improve the utilization rate of the auxiliary material and the coating uniformity.

[0049] like Figure 1 and Figure 4-10 As shown, the medicine mixing mechanism also includes a porous injection disk 7, which is annular, and an injection cavity 71 is arranged in the porous injection disk 7. The injection cavity 71 is provided with a plurality of injection holes 72 connected to the inside and outside on one side of the disk surface, that is, it is arranged as a honeycomb porous structure, and the porous injection disk 7 is fixedly arranged around the vortex generator 3 at the bottom of the preparation cavity 23. It is worth noting that the inner ring wall of the porous injection disk 7 is spaced a distance from the outer plate surface of the mounting arc plate 26 for the air intake of the vortex generator 3, and the side wall of the porous injection disk 7 is provided with a feed pipe 711 connected to the inside and outside of the injection cavity 71, and the feed pipe 711 is connected to the discharge end of the atomization bin 65. The high-pressure pump 64 can atomize the auxiliary materials and supercritical CO that carry the charge and carry the charge. 2 It is transported into the injection cavity 71 and ejected at high speed from the injection hole 72 to act on the medicinal material.

[0050] like Figure 1 and Figure 8-14 As shown, in the present embodiment, further, the air supply pipe 42 of the steady flow spray ring 4 is also externally connected to an air supply mechanism, and the air supply mechanism includes an air compressor 93, and the air compressor 93 is fixedly arranged, and a ceramic electric heating tube 9 is fixedly arranged at the air inlet end of the air compressor 93, and the ceramic electric heating tube 9 can efficiently heat the hot air entering therein, and the air inlet end of the ceramic electric heating tube 9 is connected to an air inlet 91 and a fourth air valve 92 for controlling the air inlet, and the air outlet end of the air compressor 93 is connected to the steady flow spray ring 4 through a delivery pipe 96, and a booster pump 95 and a fifth air valve 94 for controlling the opening and closing are connected in series on the delivery pipe 96.

[0051] The technical principle of the present invention is as follows: when in use, the vortex generator 3 and the electric heating wire 32 are started, the vortex generator 3 can generate a vertical upward airflow and heat the medicinal materials, and at the same time, the air compressor 93 and the booster pump 95 are turned on to make the steady flow spray ring 4 generate a radial airflow, so that the medicinal materials can be suspended and tumbled in the processing chamber 2 under the action of the composite vortex, and then the supercritical CO is started.2 The generating chamber 5 and the auxiliary material chamber 6 use the high pressure pump 64 to transfer supercritical CO 2 The auxiliary materials are transported to the atomization chamber 65, and the ultrasonic atomizer in the atomization chamber 65 converts supercritical CO 2 and auxiliary material atomization, the electrostatic generator makes supercritical CO 2 The auxiliary materials are accompanied by static electricity, and finally sprayed into the processing chamber 23 through the porous spray disk 7 to be evenly mixed with the medicinal materials. The auxiliary materials penetrate into the medicinal materials to complete the processing operation.

[0052] The present invention uses a vortex generator 3 and an electric heating wire 32 to form a vertically rising hot air flow, which can evenly heat the medicinal materials in the processing chamber 2, stabilize the heat transmission, improve the heat transfer efficiency, and avoid the problem of charring the surface of the medicinal materials or the internal being uncooked; the air compressor 93 and the steady flow spray ring 4 generate radial airflow in the processing chamber 23, and form a composite airflow vortex with the axial airflow generated by the vortex generator 3, so that the medicinal materials can be suspended and rolled, avoiding breakage caused by mechanical contact, and improving the integrity rate of the medicinal materials; the auxiliary materials are atomized by the ultrasonic atomizer in the atomization chamber 65, and the electrostatic generator makes the auxiliary materials have static electricity. Finally, the atomized auxiliary materials are sprayed onto the surface of the medicinal materials for directional adsorption by the porous spray disk 7, which greatly improves the utilization rate and coating uniformity of the auxiliary materials; the supercritical CO 2 Generation chamber 5 generates supercritical CO 2 , using supercritical CO 2 It has the characteristics of high diffusivity and high permeability, can easily penetrate micron-sized pores, and can make auxiliary material molecules such as wine and vinegar act as entrainers, and form co-solvents with the entrainers to enter the micropores of medicinal materials, thereby improving the permeability of auxiliary materials to medicinal materials, further improving the utilization rate of auxiliary materials, and reducing the consumption of auxiliary materials.

[0053] like Figure 1 , Figure 3 and Fig.12 According to another embodiment of the present invention, the supercritical CO 2The synergistic Chinese medicine processing equipment also includes a steam component, which includes a high-pressure steam generator 10. The high-pressure steam generator 10 can evaporate the incoming pure water into high-temperature steam. The high-pressure steam generator 10 is connected in parallel and arranged at the air outlet end of the air compressor 93. The feed end of the high-pressure steam generator 10 is provided with a liquid inlet 101 and a sixth air valve 102 for controlling the liquid inlet. The steam outlet end is fixedly provided with a delivery pump 103. The air compressor 93 and the delivery pump 103 are fixedly arranged at the parallel connection. There is a switching valve 104, which can switch the feed pipeline to control the type of feed material. Hot air and steam work together to simulate traditional frying and steaming. Furthermore, a plurality of infrared lamps 215 are evenly fixedly arranged between the transparent sight glass 213 on the inner wall of the bin cover 21 and the rubber ring 214. The infrared lamps 215 can provide infrared heat source input to the processing cavity 23, and quickly heat up to solidify the auxiliary material. The infrared lamps 215 can be electrically connected to the switching valve 104.

[0054] Based on the above further improvements, the input mode and output ratio of hot air, steam and infrared can be controlled by switching valve 104, so that the processing equipment described in this embodiment can support one-key switching of frying, steaming, roasting or combined processing processes, greatly increasing the applicability of the device, shortening the mode switching response time and improving the processing efficiency.

[0055] like Figure 2-7 and Fig.11 According to another embodiment of the present invention, further, the processing chamber 23 is provided with a microporous filter 8 at an angle on the top of the vortex generator 3 and the porous injection disk 7, the mesh of the microporous filter 8 is preferably 500 meshes, the inclination angle is preferably 5-15°, and a plurality of micropores 81 are evenly arranged on the microporous filter 8, the pore size of the micropores 81 is preferably less than 25 μm, so as to prevent the drug residue from falling into the vortex generator 3 and the porous injection disk 7 to cause blockage, and will not block the atomized auxiliary materials and supercritical CO 2The microporous filter 8 penetrates upward, and the wall of the microporous filter 8 is embedded in the inner wall of the processing chamber 23. A spring 82 is fixedly arranged at the bottom of the microporous filter 8. A limit column 821 is fixedly arranged at the center of the spring 82 to prevent deviation. The bottom of the spring 82 is fixedly connected to the inner wall of the processing chamber 23. A ceramic piezoelectric piece 83 is fixedly arranged at the connection between the microporous filter 8 and the spring 82. The ceramic piezoelectric piece 83 is set to start at a certain frequency to make the microporous filter 8 vibrate, thereby shaking off the drug residue blocking the micropores 81 and making it fall to the micropores. The medicinal residues on the microporous filter 8 move downwards, and an arc-shaped slag outlet 84 is provided at the lower end of the microporous filter 8. The processing chamber 23 is provided with a slag trough 27 which is inclined in the same manner as the microporous filter 8 near the arc-shaped slag outlet 84. The slag trough 27 is at the same height as the microporous filter 8 when the spring 82 is in a natural state. The slag collecting chamber 28 is connected to the slag receiving groove, and a slag collecting box 281 is detachably provided in the slag collecting chamber 28, and the slag collecting box 281 can be fixed by bolts or a slot 212 or the like.

[0056] Based on the above further improvements, the medicinal residues produced during the suspension and tumbling of medicinal materials will eventually fall onto the microporous filter 8, which can effectively intercept the medicinal residues. The ceramic piezoelectric piece 83 is started at a fixed time to drive the microporous filter 8 to vibrate up and down, so that the medicinal residues thereon move downward, and finally enter the slag collecting chamber 28 through the arc-shaped slag outlet 84 and the slag trough 27 to be effectively collected by the slag collecting box 281. The medicinal residues produced during the preparation process can be effectively cleaned by regularly disassembling the slag collecting box 281. Compared with traditional equipment, separating the medicinal residues can further improve the preparation quality of the finished medicinal materials, and at the same time can eliminate the influence of the medicinal residues on the device. The operation is simple and convenient, and it has high practical value.

[0057] like Figure 1-6 , Figure 12-14As shown, according to another embodiment of the present invention, further, the artillery chamber 2 is rotatably set on a base 1, and a mounting groove 11 for accommodating the rotation of the artillery chamber 2 is opened on one side of the base 1, and a pair of rotation grooves 14 are directly arranged on the groove walls on both sides of the mounting groove 11, and a pair of rotating seats 29 that can be embedded in the rotating grooves 14 and rotate are fixedly arranged on the arc-shaped outer chamber wall of the artillery chamber 2. Based on the above improvement, the high-pressure pipeline 66 extends into the rotating groove 14 along the outer wall of the base 1 and passes through the rotating seat 29. The high-pressure pipeline 66 is fixed in the rotating groove 14 by bolts. The high-pressure pipeline 66 extends along the chamber wall of the artillery chamber 2 and is connected with the multi-hole injection disk 7. Similarly, the feed pipe 96 also extends into another rotating groove along the outer wall of the base 1 The movable groove 14 passes through another rotating seat 29 and is fixed in another rotating groove 14 by bolts, and then extends along the wall of the artillery chamber 2 to communicate with the steady flow spray ring 4. The high-pressure pipeline 66 and the feed pipe 96 need to be rotationally sealed with the rotating seat 29 to ensure the sealing of the artillery chamber 2 during rotation. As a better implementation method of this embodiment, a first cylinder 12 is also provided at the top of the installation groove 11, and the telescopic rod of the first cylinder 12 is hinged to the side of the bottom of the artillery chamber 2 closest to the first cylinder 12. A pair of second cylinders 13 are also arranged opposite to the inner side of the bottom of the installation groove 11, and the telescopic rod of the second cylinder 13 is hinged to the two sides of the bottom of the artillery chamber 2 closest to the rotating seat 29, and the three hinge points form an isosceles triangle distribution.

[0058] Based on the above further improvements, after the preparation is completed, the preparation chamber 2 can be rotated to achieve the operation of rapid material unloading, avoiding the inconvenience caused by manual material taking of traditional equipment, and can further improve the preparation efficiency. By setting the first cylinder 12 and the second cylinder 13 to assist the rotation of the preparation chamber 2, the automatic unloading of the preparation chamber 2 can be achieved, which is more practical.

[0059] On the other hand, the embodiment of the present invention also provides a method based on supercritical CO 2 The method for using the synergistic Chinese medicine processing equipment comprises the following steps:

[0060] S1: Put the medicinal materials into the processing chamber 2, close the chamber cover 21, start the vortex generator 3 and the electric heating wire 32, heat the medicinal materials with hot air to a surface temperature of 80°C, and start the air compressor 93 and the steady flow spray ring 4 at the same time, and continue to heat up for 2 minutes;

[0061] S2: Add the corresponding auxiliary materials into the auxiliary material bin 6, start the supercritical CO 2 The pressure in the generating chamber 5 is raised to 7.38-10MPa, the temperature is raised to 31-40°C, the high pressure pump 64 and the high pressure pump are started, and the ultrasonic atomizer and the electrostatic generator are started synchronously, so that the supercritical CO entering the atomizing chamber 652 The auxiliary materials are atomized at a rate of 5-15 mL / min, the atomized particle size is 1-5 μm, the electrostatic adsorption field strength is set to 5 kV / m, and then the porous injection disk 7 is started to make the auxiliary materials adhere to the surface of the medicinal materials in a directional manner;

[0062] S3: The peak pressure of processing chamber 2 rises to 10MPa and is maintained for 10-15 seconds to facilitate the entry of auxiliary materials into the medicinal materials. Then the pressure is reduced to 5MPa and maintained for 20-25 seconds to facilitate further penetration of auxiliary materials. The supercritical CO is then turned off. 2 In the generating chamber 5, the temperature in the processing chamber 2 is raised to 180°C and the heating is continued for 2 minutes to facilitate the solidification of the auxiliary materials;

[0063] S4: Turn off the instrument and take out the medicinal materials after they have cooled down.

[0064] In this example, some medicinal materials were processed by the above method, and the following experimental results were obtained.

[0065]

[0066]

[0067] It can be seen from the above results that after the medicinal materials are processed by the device and method of the present invention, the permeability of the auxiliary materials is greatly improved, thereby improving the utilization rate of the auxiliary materials and reducing the consumption of the auxiliary materials. For example, the consumption of vinegar solution is reduced by about 70% (from 100 mL to 30 mL). At the same time, through the coordinated work of the components in the embodiment of the present invention, non-contact heating and supercritical auxiliary material penetration are achieved, which greatly improves the retention rate of medicinal material components. For example, the retention rate of corydalis butyl ester is increased from 78% of the traditional process to 95%. In the process of medicinal material preparation, the preparation time of the present invention is also relatively reduced. For example, the total time consumed by vinegar roasting is shortened from 20 minutes of traditional equipment to 8 minutes, and the quality and efficiency of medicinal material preparation are effectively guaranteed.

[0068] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the present invention, which should be included in the scope of the claims of the present invention.

Claims

1. A Chinese medicine processing equipment based on supercritical CO2 enhancement, characterized in that: include: A processing chamber (2), wherein a cylindrical processing chamber (23) with an opening at one end is provided in the processing chamber (2), a chamber cover (21) is provided on one side of the opening, and a thermometer (24) and a pressure gauge (251) are fixedly provided on the outer wall of the processing chamber (2); A preparation mechanism, the preparation mechanism comprising a vortex generator (3) and a steady flow spray ring (4), the vortex generator (3) being fixedly arranged at the bottom of the preparation chamber (23), a heating source being arranged at the bottom of the vortex generator (3), a plurality of steady flow spray rings (4) being interconnected and embedded in the chamber wall of the preparation chamber (23), a plurality of nozzles (41) penetrating and extending into the preparation chamber (23) being arranged around the inner wall of the steady flow spray ring (4), and any of the steady flow spray rings (4) being connected to an air supply mechanism outside the preparation chamber (2); A medicine mixing mechanism, the medicine mixing mechanism includes a fixedly arranged supercritical CO2 generating chamber (5) and an auxiliary material chamber (6), the outlet ends of the supercritical CO2 generating chamber (5) and the auxiliary material chamber (6) are connected to a porous injection disk (7) fixedly arranged at the bottom of the preparation chamber (23) through a high-pressure pipeline (66), and the high-pressure pipeline (66) is also connected in series with an atomization chamber (65) and a driving source, and an ultrasonic atomizer and an electrostatic generator are arranged in the atomization chamber (65).

2. A Chinese medicine processing equipment based on supercritical CO2 synergy enhancement as claimed in claim 1, characterized in that: The vortex generator (3) comprises a turbine blade (31), and an adsorption net (33) is fixedly arranged on the top of the turbine blade (31).

3. A Chinese medicine processing equipment based on supercritical CO2 synergy enhancement as claimed in claim 2, characterized in that: The heating source comprises an electric heating wire (32), and the electric heating wire (32) is fixedly arranged at the bottom of the turbine blade (31).

4. The Chinese medicine processing equipment based on supercritical CO2 synergy enhancement as claimed in claim 1, characterized in that: The multi-porous injection disk (7) surrounds the vortex generator (3) and is fixedly arranged at the bottom of the preparation chamber (23). An injection chamber (71) is arranged in the multi-porous injection disk (7). The injection chamber (71) is provided with a plurality of injection holes (72) connecting the inside and the outside on one side of the disk surface.

5. The Chinese medicine processing equipment based on supercritical CO2 enhancement as claimed in claim 4, characterized in that: The driving source comprises a high-pressure pump (64); the discharge ends of the supercritical CO2 generating chamber (5) and the auxiliary material chamber (6) are connected in series through the high-pressure pipeline (66) and are connected to the feed end of the high-pressure pump (64); the discharge end of the high-pressure pump (64) is connected to the feed end of the atomization chamber (65); and the discharge end of the atomization chamber (65) is connected to the injection chamber (71).

6. The Chinese medicine processing equipment based on supercritical CO2 enhancement as claimed in claim 1, characterized in that: The air supply mechanism comprises an air compressor (93), the air compressor (93) is fixedly arranged, a ceramic electric heating tube (9) is fixedly arranged at the air inlet end or the air outlet end of the air compressor (93), the air outlet end of the air compressor (93) is connected to the steady flow spray ring (4) through a conveying pipe (96), and a booster pump (95) is arranged in series on the conveying pipe (96).

7. The Chinese medicine processing equipment based on supercritical CO2 enhancement as claimed in claim 6, characterized in that: A high-pressure steam generator (10) is also arranged in parallel at the air outlet end of the air compressor (93), a delivery pump (103) is fixedly arranged at the steam outlet end of the high-pressure steam generator (10), and a switching valve (104) is fixedly arranged at the parallel connection point between the air compressor (93) and the delivery pump (103).

8. The Chinese medicine processing equipment based on supercritical CO2 enhancement as claimed in claim 1, characterized in that: The processing chamber (23) is provided with a microporous filter (8) obliquely on the top of the vortex generator (3) and the porous injection disk (7); a plurality of micropores (81) are evenly arranged on the microporous filter (8); the microporous filter (8) is elastically connected to the inner wall of the processing chamber (23) through a spring (82); a ceramic piezoelectric plate (83) is fixedly provided at the connection between the microporous filter (8) and the spring (82); an arc-shaped slag outlet (84) is provided at the lower end of the microporous filter (8); a slag collecting chamber (28) is provided near the arc-shaped slag outlet (84) in the processing chamber (23); a slag collecting box (281) is detachably provided in the slag collecting chamber (28).

9. The Chinese medicine processing equipment based on supercritical CO2 enhancement as claimed in claim 1, characterized in that: A transparent sight glass (213) is arranged in the middle of the bin cover (21), an annular rubber ring (214) is fixedly arranged around the inner wall cover edge of the bin cover (21), and a plurality of infrared lamps (215) are evenly and fixedly arranged between the transparent sight glass (213) and the rubber ring (214).

10. The method for using the Chinese medicine processing equipment according to claim 1, characterized in that: The steps include: S1: Put the medicinal materials into the processing chamber (2), close the chamber cover (21), start the vortex generator (3) and the heating source, heat the medicinal materials with hot air until the surface temperature of the medicinal materials reaches 80° C., and start the air supply mechanism and the steady flow spray ring (4) at the same time, and continue to heat and preheat for 2 minutes; S2: Add corresponding auxiliary materials into the auxiliary material bin (6), start the supercritical CO2 generating bin (5), so that the pressure in the bin rises to 7.38-10MPa, and the temperature rises to 31-40°C, start the auxiliary material bin (6) and the driving source, and synchronously start the ultrasonic atomizer and the electrostatic generator, so that the auxiliary materials entering the atomization bin (65) are atomized at a rate of 5-15mL / min, and the electrostatic adsorption field strength is set to 5kV / m, and then start the porous injection disk (7) to make the auxiliary materials adhere to the surface of the medicinal material in a directional manner; S3: The pressure peak in the processing chamber (2) is adjusted to 10 MPa by the driving source, maintained for 10-15 seconds, and then reduced to 5 MPa for 20-25 seconds to accelerate the penetration of auxiliary materials, and then the supercritical CO2 generating chamber (5) is closed, and the temperature in the processing chamber (2) is increased to 180°C to solidify the auxiliary materials, and the hot air heating is continued for 2 minutes; S4: Close the processing chamber (2) and take out the medicinal materials after they have cooled down.

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