Wormwood extraction device for producing and processing wormwood mud moxibustion paste

Abstract

The invention discloses a wormwood extraction device for wormwood mud moxibustion paste production and processing. Relates to the technical field of traditional Chinese medicine extraction. The device comprises a frame body, an extraction device, a filtering and collecting box and an electric control box. Wherein the frame body comprises a bottom frame and a lifting adjusting frame arranged on the bottom frame; the extraction device comprises an extraction tank and an aeration-ultrasonic extraction integrated device; the extraction tank is fixed on the bottom frame and is suspended; the aeration-ultrasonic extraction integrated device is positioned right above the extraction tank and is fixedly connected with the lifting adjusting frame; the lifting adjusting frame is positioned on one side of the extraction tank; the filtering and collecting box is fixed on the bottom frame and is positioned under the extraction tank; the electric control box is fixed on the bottom frame and is electrically connected with the aeration-ultrasonic extraction integrated device. According to the device, grease serves as an extraction solvent, and the extraction efficiency can be effectively improved under the clamping of the aeration-ultrasonic extraction integrated device.

Description

Technical Field

[0001] This invention relates to equipment for extracting Chinese medicinal materials, specifically to an artemisia extraction device for the production and processing of artemisia mud moxibustion paste. Background Technology

[0002] In the production of mugwort mud moxibustion paste, the effective components of mugwort are extracted and then processed in liquid form along with other ingredients. Extraction methods for mugwort include oil extraction, water extraction, and ultrasonic extraction. Oil extraction is beneficial for extracting volatile oils (eucalyptol, borneol), fat-soluble flavonoids, and other core active ingredients. Water extraction is beneficial for obtaining water-soluble active ingredients (flavonoids, polysaccharides, etc.), but both are time-consuming and inefficient, hindering production. Ultrasonic extraction is a highly efficient method. The solvents used are often water, ethanol, or mixtures of both. Water extraction can extract water-soluble components, while ethanol can extract fat-soluble components. If ethanol extraction is used, subsequent concentration and alcohol removal are necessary. When making mugwort mud moxibustion paste, if oils (olive oil, sesame oil, etc.) are used as the extraction solvent, the oil can be directly added to the medicine without subsequent separation. However, due to the high viscosity and non-polar nature of oils, the cavitation effect is weakened during ultrasonic extraction, prolonging the extraction time and resulting in low extraction efficiency. Summary of the Invention

[0003] The purpose of this invention is to provide a mugwort extraction device for the production and processing of mugwort mud moxibustion paste. This addresses the technical problem of low extraction efficiency in existing ultrasonic extraction equipment that uses oils as the extraction solvent.

[0004] To achieve the above objectives, the technical solution adopted by the present invention is as follows: A device for extracting mugwort during the production and processing of mugwort mud moxibustion paste, comprising: The frame includes a base frame and a lifting and adjusting frame mounted on the base frame; An extraction device includes an extraction tank fixed on a base frame and suspended in the air, and an integrated aeration-ultrasonic extraction device located directly above the extraction tank and connected and fixed to a lifting and adjusting frame; the lifting and adjusting frame is located on one side of the extraction tank. The filter collection box is fixed on the base frame and located directly below the extraction tank; The electrical control box is fixed on the base frame and electrically connected to the integrated aeration-ultrasonic extraction device.

[0005] Furthermore, the integrated aeration-ultrasonic extraction device includes: An ultrasonic extraction mechanism includes a plate base, multiple ultrasonic transducers mounted on the plate base, an amplitude transformer connected to the ultrasonic transducers, and a connecting cover mounted on the upper side of the plate base; the multiple ultrasonic transducers are electrically connected to an electrical control box. The aeration mechanism includes two guide risers connected to the plate base and arranged in parallel at intervals, and a microporous aeration disc connected to the lower end of the two guide risers. One of the guide risers extends to the top of the plate base and bends to one side to form a horizontal pipe section. A thermal gas mass flow meter, a gas pressure sensor, an electric regulating valve, and a gas filter are connected in sequence to the horizontal pipe section and are electrically connected to the control box. The gas filter is connected to the gas source through a hose. The lower end of the guide riser is connected to the microporous aeration disc. The flushing mechanism includes a circulation pump mounted on a base frame, a flushing orifice plate connected to the circulation pump via a pipeline, and a push-pull mechanism located between the plate base and the flushing orifice plate and electrically connected to the electrical control box. The flushing orifice plate is penetrated by a guide riser and slides in cooperation with the guide riser. Each hole of the flushing orifice plate corresponds to an ultrasonic transducer and surrounds the outside of the amplitude transformer.

[0006] Furthermore, the microporous aeration disc includes: Support plate, with a gas supply pipe located on the lower part of its middle section; An annular pressure cap is fitted onto the outside of the support plate and threadedly connected to the support plate. Symmetrical ear plates are provided on its outer circumference, and one of the ear plates is provided with a longitudinally penetrating vent hole. A silicone rubber diaphragm covers the support plate and is clamped between the annular cap and the support plate; The gas delivery pipe has one end connected to the lower end of the vent and the other end connected to the gas supply pipe.

[0007] Furthermore, the gas source is a nitrogen storage tank or nitrogen cylinder mounted on the base frame.

[0008] Furthermore, the push-pull mechanism includes a first electric push rod disposed on the plate base and connected to the flushing hole plate, the first electric push rod being electrically connected to the electrical control box.

[0009] Furthermore, each hole in the flushing orifice plate has multiple oil injection holes distributed on its inner wall. The oil injection holes are arranged obliquely downwards. The flushing orifice plate has an oil supply channel that communicates with the oil injection holes and converges at an oil inlet interface. An oil inlet pipe is installed at the oil inlet interface.

[0010] Furthermore, an electric three-way valve is connected to the discharge port of the circulating pump. One discharge port of the electric three-way valve is connected to the flushing orifice plate via a hose, and the other discharge port is connected to the extraction tank via a hose.

[0011] Furthermore, the bottom of the extraction tank is provided with a groove adapted to the microporous aeration disc, the inner peripheral wall of the groove is provided with a sealing ring and is sealed to the outer wall of the microporous aeration disc, the center of the groove is provided with an oil drain pipe, the oil drain pipe is provided with a sliding rubber plug, the rubber plug is connected to the bottom of the microporous aeration disc, and the bottom of the extraction tank is provided with a temperature sensor electrically connected to the electrical control box.

[0012] Furthermore, the filter collection box includes: The tank is fixed on the base frame, and an oil pump for supplying liquid to the outside is connected to one side. It is connected to the circulation pump through a pipeline, and a level gauge is installed on its side wall. The lid is fastened to the opening at the top of the box body. An oil inlet pipe connected to the oil drain pipe is provided on its upper side, and a hook-shaped vent hole is also provided on its top. The filter layer includes a retaining ring fixed to the inner wall of the chamber and located in the upper part of the chamber, and a filter plate overlapping the upper side of the retaining ring.

[0013] Furthermore, the lifting and adjusting frame includes: The guide frame includes two longitudinally arranged telescopic rods fixed at intervals on the base frame, and a crossbeam connecting the two telescopic rods; the crossbeam is arranged longitudinally in two parts, the upper crossbeam is connected and fixed to the movable rod end of the telescopic rod, the lower crossbeam is connected and fixed to the fixed cylinder of the two telescopic rods, and the upper crossbeam is connected and fixed to the connecting cover. The second electric push rod is connected between the two crossbeams and electrically connected to the control box; The ranging sensor is fixed to the underside of the upper crossbeam.

[0014] The beneficial effects of this invention are: This invention utilizes oil as the extraction solvent and incorporates an aeration mechanism. This aeration mechanism enhances the ultrasonic cavitation effect, effectively improving the extraction efficiency of Artemisia argyi and reducing extraction time. The aeration mechanism also functions as a valve at the extraction tank's drain outlet and is fitted to the bottom of the tank. This structural design prevents Artemisia argyi powder and oil from being located below the aeration mechanism and affecting the extraction effect. After extraction, the amplitude transformer is prone to contamination from Artemisia argyi powder. A rinsing mechanism can extract the filtered oil to rinse the amplitude transformer, ensuring its cleanliness. This rinsing mechanism can also pump the oil from the filter collection box back into the extraction tank as a solvent for subsequent extractions, thus increasing the content of effective components in the extract. The ultrasonic transducer and aeration mechanism can be lifted out of the extraction tank using a lifting and adjusting frame, facilitating cleaning and maintenance of these components. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a side view of the structure of the present invention; Figure 3 This is a schematic diagram of the rear view structure of the present invention; Figure 4 This is a schematic diagram showing the cross-sectional structure of the extraction tank and the integrated aeration-ultrasonic extraction device in this invention; Figure 5This is a top view of the extraction tank in this invention. Figure 6 This is a top view of the microporous aeration disc in this invention. Figure 7 for Figure 6 Schematic diagram of the cross-sectional structure along the AA direction; Figure 8 for Figure 7 Cross-section and top view of the central circular perforated plate; Figure 9 This is a top view of the connecting cover in this invention. Figure 10 This is a top view of the plate base in this invention; Figure 11 This is a schematic diagram of the structure of the two opposing surfaces of the flushing perforation plate in this invention; Figure 12 This is a top view of the flushing orifice plate in this invention. Figure 13 for Figure 12 Schematic diagram of the cross-sectional structure along the BB direction; Figure 14 This is a cross-sectional view of the filter collection box in this invention; Figure 15 This is a top view of the filter layer in this invention. Figure 16 This is another overall structural schematic diagram of the present invention (partial component cross-section); Figure 17 This is a system control block diagram of the present invention.

[0016] The components are as follows: 1-Electrical control box; 2-Base frame; 3-Second electric push rod; 4-Distance sensor; 5-Telescopic rod; 6-Crossbeam; 7-Extraction tank; 8-Guide groove; 9-Temperature sensor; 10-Plate base; 11-Ultrasonic transducer; 12-Amplitude rod; 13-Connecting cover; 14-Guide riser; 15-Microporous aeration disc; 16-Thermal gas mass flow meter; 17-Gas pressure sensor; 18-Electric regulating valve; 19-Gas filter; 20-Gas source; 21-Pressure reducing valve; 22-Support plate; 23-Annular pressure cap; 24-Silicone rubber. 25-Diaphragm; 26-Gas supply pipe; 27-Ear plate; 28-Vent hole; 29-Circulation pump; 30-Flushing orifice plate; 31-Electric three-way valve; 32-Injection hole; 33-Oil supply channel; 34-Oil inlet pipe; 35-First electric push rod; 36-Groove; 37-Sealing ring; 38-Oil drain pipe; 39-Rubber plug; 40-Box body; 41-Box cover; 42-Filter layer; 43-Oil pump; 44-Oil inlet pipe; 45-Vent pipe; 46-Limiting retaining ring; 47-Filter plate; 48-Handle; 49-Level gauge. Detailed Implementation

[0017] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings.

[0018] like Figures 1 to 17 As shown, an artemisia extraction device for the production and processing of artemisia mud moxibustion paste is disclosed. The device includes a frame, an extraction unit, a filter collection box, and an electrical control box 1. This device is particularly suitable for the production and processing of artemisia mud moxibustion paste, and the extracted active ingredients and oils can be simultaneously applied to subsequent processing steps of the paste.

[0019] The frame includes a base frame 2 and a lifting and adjusting frame. The base frame 2 is generally flat and can be constructed from a lattice frame welded from steel pipes and steel plates welded to the lattice frame, used to raise the entire equipment above the ground for easy cleaning and maintenance. Other suitable flat frame structures can also be used. The lifting and adjusting frame is used for lifting control and adjustment of the integrated aeration-ultrasonic extraction device. The lifting and adjusting frame includes a guide frame, a second electric push rod 3, and a distance sensor 4. The guide frame includes two longitudinally arranged and spaced telescopic rods 5 fixed to the base frame 2 and a crossbeam 6 connecting the two telescopic rods 5. The telescopic rod 5 consists of a fixed cylinder fixed to the base frame 2 and a movable rod that slides with the fixed cylinder, with the movable rod inserted inside the fixed cylinder. The crossbeam 6 is a slat structure, with two longitudinally arranged crossbeams 6; the upper crossbeam 6 is connected and fixed to the end of the movable rod of the telescopic rod 5, the lower crossbeam 6 is connected and fixed to the fixed cylinders of the two telescopic rods 5, and the upper crossbeam 6 is connected and fixed to the connecting cover 13 through a transverse rod. The second electric push rod 3 is connected between the two crossbeams 6. The distance sensor 4 is fixed on the lower side of the upper crossbeam 6 to measure the distance between the two crossbeams 6, thereby realizing the measurement of the extension length of the second electric push rod 3, and thus accurately controlling the up and down movement of the microporous aeration disc 15 and the amplitude rod 12 through the electric control box 1.

[0020] The extraction device includes an extraction tank 7 and an integrated aeration-ultrasonic extraction unit. The extraction tank 7 is a cylindrical structure with an inclined guide channel 8 on one side for adding mugwort powder and olive oil. Support legs on both sides of the extraction tank 7 are fixed to the base frame 2. When the oil temperature exceeds 40℃ during extraction, the active ingredients will volatilize. Therefore, a temperature sensor 9 is installed near the bottom of the extraction tank 7. If the oil temperature reaches 40℃, the ultrasonic extraction operation is stopped via the electrical control box, and the extraction operation is resumed when the temperature drops below 35℃. The integrated aeration-ultrasonic extraction unit combines aeration and extraction equipment. In the production of mugwort mud moxibustion paste, olive oil (superior to sesame oil) is used as the extraction solvent. Olive oil is a high-viscosity, non-polar oil with strong intermolecular forces and a high ultrasonic cavitation threshold. Under natural conditions, very few cavitation nuclei can form in the oil phase, thus weakening the ultrasonic cavitation effect. The core principle of aeration is as follows: by introducing a small amount of inert gas (nitrogen) into the olive oil-artemisia powder system, a large number of stable micron-sized bubbles are introduced into the oil phase as artificial cavitation nuclei, which reduces the energy threshold required for ultrasonic cavitation, making it easier for ultrasound to induce the generation, expansion and violent collapse of cavitation bubbles in olive oil; the local high pressure and high speed micro-jet generated by the collapse of cavitation bubbles can efficiently break the cell walls and release the fat-soluble effective components of artemisia. At the same time, the weak liquid phase disturbance formed by aeration can effectively prevent the sedimentation and agglomeration of artemisia powder, and synergistically enhance the mass transfer efficiency between the oil phase and artemisia powder with the ultrasonic acoustic flow effect, thereby improving the ultrasonic extraction rate and the dissolution rate of effective components.

[0021] The integrated aeration-ultrasonic extraction device includes an ultrasonic extraction mechanism, an aeration mechanism, and a rinsing mechanism. The ultrasonic extraction mechanism includes a plate base 10, ultrasonic transducers 11, an amplitude transformer 12, and a connecting cover 13. The plate base 10 is a circular plate positioned directly above the extraction tank 7, acting as a cover for the extraction tank 7. When the plate base 10 covers the extraction tank 7, the guide groove 8 acts as an exhaust port. To increase the sealing at the contact point between the plate base 10 and the extraction tank 7 and to buffer the impact from rigid contact, a ring-shaped silicone rubber gasket can be installed below the plate base 10, corresponding to the edge of the extraction tank 7. Multiple ultrasonic transducers 11 are connected to the amplitude transformer 12. The number of ultrasonic transducers 11 is set and fixed to the plate base 10; the attached diagram shows 12 transducers. The connecting cover 13 covers the terminals of the ultrasonic transducers 11 and is fixed to the plate base 10 via bolts and nuts. The connecting cover 13 is fixed to the upper crossbeam 6 via two horizontal strips. The connecting cover 13 is located on the side of the lifting and adjusting frame. The aeration mechanism includes guide risers 14 and microporous aeration discs 15. Two guide risers 14 are provided and fixed to the base plate 10. One guide riser 14 passes through the base plate 10 and bends to one side on the base plate 10 to form a horizontal section. A thermal gas mass flow meter 16, a gas pressure sensor 17, an electric regulating valve 18, and a gas filter 19, all electrically connected to the control box 1, are sequentially connected to this horizontal section. The lower end of this guide riser 14 is connected to the microporous aeration disc 15. The electric regulating valve 18 can be an electric single-seat sleeve regulating valve. The gas filter 19 is connected to a gas source 20, which is a nitrogen storage tank or nitrogen cylinder placed on the base frame. A pressure reducing valve 21 is connected to the exhaust valve of the gas source 20, and the pressure reducing valve 21 is connected to the gas filter 19 via a PTFE-lined stainless steel flexible hose. The lower end of the other guide riser 14 is connected and fixed to the microporous aeration disc 15. The microporous aeration disc 15 differs structurally from existing aeration discs, specifically comprising a support disc 22, an annular pressure cap 23, a silicone rubber diaphragm 24, and an air supply conduit 25. An air supply pipe 26 is located on the lower side of the middle of the support disc 22. The air supply pipe 26 contains a one-way valve structure to prevent oil from entering the microporous aeration disc 15. This one-way valve structure specifically includes an annular boss formed on the inner wall of the air supply pipe 26, a disc engaged with the upper side of the annular boss, a connecting shaft fixed at the center of the disc's axis at its lower part, a perforated plate slidingly engaged with the connecting shaft, and a spring clamped between the perforated plate and the disc. The diameter of the disc is smaller than the inner diameter of the air supply pipe 26, allowing a gas flow channel to be formed when the disc detaches from the upper surface of the annular boss. The perforated plate is fixedly connected to the inner wall of the air supply pipe 26. When nitrogen is supplied, the disc is lifted by the gas, releasing the pressure and seal on the annular boss. The spring is compressed, and the gas discharged from the center of the annular boss rises and is discharged between the silicone rubber diaphragm 24 and the support plate through the holes in the perforated plate. Finally, it is squeezed out through the tiny holes in the silicone rubber diaphragm 24. To prevent gas backflow, a one-way gas valve can also be installed on the guide riser 14.An annular cap 23 is fitted onto the outside of the support plate 22 and connected to the support plate 22 via a threaded connection. Two ear plates 27 are symmetrically arranged on the outer circumference of the annular cap 23, with smooth transitions between the ear plates 27 and the annular cap 23, and smooth transitions at the edges of the ear plates 27. One ear plate 27 has a longitudinally penetrating vent hole 28. A silicone rubber diaphragm 24 covers the support plate 22, and the edge of the silicone rubber diaphragm 24 is clamped between the annular cap 23 and the support plate 22. The pore size of the silicone rubber diaphragm 24 is selected to be 5~10μm. The gas delivery conduit 25 is a polytetrafluoroethylene-lined stainless steel hose or other olive oil-resistant and pressure-resistant hose. One end of the gas delivery conduit 25 is threaded and fixed to the lower end of the vent hole 28, and the other end is connected and fixed to the gas supply pipe 26 via a compression fitting. The upper side of the vent hole 28 is connected to the corresponding guide riser 14. The flushing mechanism includes a circulation pump 29, a flushing orifice plate 30, and a push-pull mechanism. The circulation pump 29 can be a peristaltic pump. The circulation pump 29 is fixed to the base frame 2, and an electric three-way valve 31 is connected to its drain port. One drain port of the electric three-way valve 31 is connected to the flushing orifice plate 30 via a hose, and the other drain port is connected to the extraction tank 7 via a hose. Since the peristaltic pump's piping is a hose and lacks a rigid structure, the electric three-way valve 31 is fixed to the support leg of the extraction tank 7 via a connecting rod. The circulation pump 29 is used to supply liquid to the flushing orifice, realizing the flushing of the amplitude transformer 12. Simultaneously, the circulation pump 29 is also used to supply liquid to the extraction tank 7, pumping the filtered liquid from the filter collection box into the extraction tank 7, which can increase the concentration of effective components in the extract during subsequent extractions. A connecting pipe is connected to the upper side of the extraction tank 7, and the other drain port of the electric three-way valve 31 is connected to this connecting pipe via a hose. The flushing orifice plate 30 is penetrated by the guide riser 14 and slides in cooperation with the guide riser 14. Each hole of the flushing orifice plate 30 corresponds to the ultrasonic transducer 11 and surrounds the outside of the amplitude transformer 12. Multiple oil injection holes 32 are evenly distributed on the inner wall of each hole of the flushing orifice plate 30, and the oil injection holes 32 are arranged obliquely downward. The flushing orifice plate 30 has an oil supply channel 33 that communicates with the oil injection holes 32 and converges on an oil inlet pipe 34. The oil inlet pipe 34 is connected to a drain port of the electric three-way valve 31. The flushing orifice plate 30 is composed of two plates bonded together or connected by bolts and nuts. The oil supply channel 35 is machined by milling grooves on the opposite surfaces of the upper and lower plates. The oil injection hole 32 is a conical hole opened on the inner wall of the hole. The conical hole is specifically opened on the lower plate and communicates with the oil supply channel 35 on the lower plate. The push-pull mechanism includes a first electric push rod 35, which is fixed in the middle of the plate base 10 and connected to the middle of the flushing orifice plate 30. The first electric push rod 35 drives the flushing orifice plate 30 to move up and down, thereby effectively flushing the amplitude transformer 12. The sliding cooperation between the flushing orifice plate 30 and the guide riser 14 improves the stability of the lifting. The upper end of the first electric push rod 35 partially penetrates the connecting cover 13.

[0022] Conventional aeration equipment, while placed at the bottom of the liquid, has a height difference with the bottom wall. Since the mugwort powder used in extraction tends to accumulate at the bottom, conventional designs negatively impact extraction efficiency. Therefore, a groove 36 adapted to the microporous aeration disc 15 is machined at the bottom of the extraction tank 7. A sealing ring 37 is provided on the inner circumferential wall of the groove 36, slidingly engaging with the outer circumferential wall of the annular cap 23 of the microporous aeration disc 15. In this configuration, the upper surface of the microporous aeration disc 15 forms the bottom wall of the extraction tank 7, effectively acting on the olive oil and mugwort powder. An oil drain pipe 38 is machined at the center of the groove 36, with a slidingly engaging rubber plug 39. The rubber plug 39 is connected to the lower end of the air supply pipe 26 at the bottom of the microporous aeration disc 15. The rubber plug 39 is made of food-grade silicone rubber or food-grade hydrogenated nitrile rubber, or other swelling-resistant rubber materials. When the microporous aeration disc 15 is raised, the rubber plug 39 separates from the oil drain pipe 38, allowing the extract to be discharged.

[0023] The filter collection box is fixed on the base frame 2 and located directly below the extraction tank 7. The filter collection box includes a box body 40, a cover 41, and a filter layer 42. The box body 40 is fixed on the base frame 2, and an oil pump 43 for supplying liquid to the outside is connected to one side. The oil pump 43 can be a peristaltic pump, and its inlet pipe is a flexible hose that passes through the side wall of the box body 40 and is inserted into the box body 40. The box body 40 is connected to a circulation pump 29 via a pipeline, and the inlet pipe of the circulation pump 29 also passes through the side wall of the box body 40 and is inserted into the box body 40. A level gauge 49 is installed on the side wall of the box body 40 to identify the liquid level inside the box body 40. The lid 41 is fastened to the opening at the top of the box body 40. An oil inlet pipe 44, connected to the oil drain pipe 38 via a flexible hose, is located on the upper side of the lid 41. One end of the hose is connected to the oil drain pipe 38 via a compression fitting, and the other end is inserted into the oil inlet pipe 44 and extends into the box body 40. This design facilitates easy opening and removal of the lid 41. A hook-shaped vent pipe 45 is also provided at the top of the lid 41. The filter layer 42 includes a retaining ring 46 fixed to the inner wall of the box body 40 and located in the upper part of the box body 40, and a filter plate 47 overlapping the retaining ring 46. The filter plate 47 has an 48 that allows it to be removed from the box body 40. The filter plate 47 consists of an outer frame and a filter screen mounted on the outer frame. The filter screen is used to trap powdered mugwort, and its selection is based on the particle size of the ground mugwort.

[0024] The electrical control box 1 is fixed to the base frame 2 by a pole. The electrical control box 1 has a built-in PLC controller, and the housing is equipped with a touch screen display for human-machine interaction connected to the PLC controller. The electrical control box 1 is also electrically connected to the first electric push rod 35, the second electric push rod 3, the oil pump 43, the circulating pump 29, the temperature sensor 9, the distance sensor 4, the thermal gas mass flow meter 16, the gas pressure sensor 17, the electric regulating valve 18, the electric three-way valve 31, and the ultrasonic transducer 11.

[0025] In application of this invention, the second electric push rod 3 is first activated and retracted by the control box 1. Based on the feedback control of the distance sensor 4, the microporous aeration disc 15 is moved down a specified distance and placed into the groove 36. At this time, the rubber stopper 39 seals the oil drain pipe 38 of the extraction tank 7, and the amplitude transformer 12 is located 10-15 cm below the olive oil surface or at half the depth of the oil. The plate seat 10 covers the extraction tank 7. Then, a measured amount of olive oil is delivered into the extraction tank 7. The inner wall of the extraction tank 7 is marked with graduation lines. The operator determines the amount to be added according to the graduation lines, usually 40-50L per batch. After the olive oil is added, the electric regulating valve 18 is opened by the control box 1, and then the pressure reducing valve 21 on the gas source 20 is adjusted to maintain the discharged nitrogen at the set pressure value, ensuring that the inlet pressure of the electric regulating valve 18 is stable. Gas pressure sensor 17 is used to measure the gas pressure at the exhaust end of electric regulating valve 18, and thermal gas mass flow meter 16 is used to measure the gas flow rate in the guide riser 14 on the exhaust side of electric regulating valve 18. The exhaust pressure is maintained at 0.05~0.8MPa by controlling electric regulating valve 18, and the exhaust flow rate is controlled at 30~65ml / min. At this time, microporous aeration disc 15 enters aeration mode. During aeration, pulverized Artemisia argyi powder is added to extraction tank 7, with a solid-liquid mass ratio of 1:4~6. The pulverized Artemisia argyi should be controlled to be around 90 mesh (85~95 mesh). After adding the Artemisia argyi powder, the ultrasonic transducer 11 is started via electrical control box 1 to perform ultrasonic extraction. The ultrasonic transducer 11 has a power selection of 100~1500W, a working frequency of 20 (adjustable range ±0.5KHz), and an output amplitude of 30~50μm from amplitude transformer 12. During the extraction process, the aeration time is controlled at 10-15 minutes, and the ultrasonic extraction time is controlled at 30-45 minutes. If the solid-liquid ratio is 1:4-5, the microporous aeration disc 15 is controlled to continuously aerate. In practical applications, the solid-liquid mass ratio can be maintained at 1:6, which can reduce nitrogen consumption. If it is necessary to increase the proportion of effective components, the circulation pump 29 can be started, and the electric three-way valve 31 can be used to switch the delivery direction of the extracted oil and pump it back into the extraction tank 7 for re-extraction with new Artemisia argyi powder. After the extraction tank 7 completes the extraction, the second electric push rod 3 is controlled to extend outward by a specified distance. At this time, the microporous aeration disc 15 and the rubber stopper 39 are removed from the bottom of the extraction tank 7, and the extract and solid waste flow into the filter collection box. After filtration by the filter layer 42, the clean extract is stored at the bottom of the filter collection box, and the oil pump 43 can be started to pump it into the next process step. After the extraction operation is completed 2 or 3 times, the box cover 41 is opened to remove the filter layer 42 for cleaning or replacement.

[0026] After draining the liquid into the filter collection box for a certain period of time, the circulating pump 29 is started, and the electric three-way valve 31 is switched to switch the oil circuit, allowing the extract to be pumped into the flushing orifice plate 30. At the same time, the first electric push rod 35 is started and pushes the flushing orifice plate 30 up and down once. The extract sprayed from the flushing orifice plate 30 is poured onto the amplitude transformer 12, and the Artemisia argyi powder solid on the amplitude transformer 12 is flushed into the extraction tank 7, thus achieving the flushing of the amplitude transformer 12. After flushing, a short aeration operation can be performed. At this time, the silicone rubber diaphragm 24 will bulge slightly to discharge the small amount of oil accumulated on its surface. After flushing, if the equipment is not in use, the amplitude transformer 12, microporous aeration disc 15, and housing 40 should be wiped with degreased cotton or dust-free non-woven cloth.

[0027] This device is designed based on oil as the extraction solvent. It is equipped with a microporous aeration disc 15 for ultrasonic extraction. The extraction tank 7 and the microporous aeration disc 15 are rationally designed so that the microporous aeration disc 15 can be placed at the bottom of the extraction tank 7 and effectively correspond to the area below the amplitude transformer 12. This can shorten the conventional 1-2 hour extraction time to within 0.5-1 hour. The shortened extraction time also effectively reduces the temperature rise of the olive oil, inhibits the volatilization of active ingredients, and results in better extraction.

Claims

1. A mugwort extraction device for the production and processing of mugwort mud moxibustion paste, characterized in that, include The frame includes a base frame and a lifting and adjusting frame mounted on the base frame; An extraction device includes an extraction tank fixed on a base frame and suspended in the air, and an integrated aeration-ultrasonic extraction device located directly above the extraction tank and connected and fixed to a lifting and adjusting frame; the lifting and adjusting frame is located on one side of the extraction tank. The filter collection box is fixed on the base frame and located directly below the extraction tank; The electrical control box is fixed on the base frame and electrically connected to the integrated aeration-ultrasonic extraction device.

2. The apparatus as claimed in claim 1, characterized in that, The integrated aeration-ultrasonic extraction device includes: An ultrasonic extraction mechanism includes a plate base, multiple ultrasonic transducers mounted on the plate base, an amplitude transformer connected to the ultrasonic transducers, and a connecting cover mounted on the upper side of the plate base; the multiple ultrasonic transducers are electrically connected to an electrical control box. The aeration mechanism includes two guide risers connected to the plate base and arranged in parallel at intervals, and a microporous aeration disc connected to the lower end of the two guide risers. One of the guide risers extends to the top of the plate base and bends to one side to form a horizontal pipe section. A thermal gas mass flow meter, a gas pressure sensor, an electric regulating valve, and a gas filter are connected in sequence to the horizontal pipe section and are electrically connected to the control box. The gas filter is connected to the gas source through a hose. The lower end of the guide riser is connected to the microporous aeration disc. The flushing mechanism includes a circulation pump mounted on a base frame, a flushing orifice plate connected to the circulation pump via a pipeline, and a push-pull mechanism located between the plate base and the flushing orifice plate and electrically connected to the electrical control box. The flushing orifice plate is penetrated by a guide riser and slides in cooperation with the guide riser. Each hole of the flushing orifice plate corresponds to an ultrasonic transducer and surrounds the outside of the amplitude transformer.

3. The apparatus as described in claim 2, characterized in that, The microporous aeration disc includes: Support plate, with a gas supply pipe located on the lower part of its middle section; An annular pressure cap is fitted onto the outside of the support plate and threadedly connected to the support plate. Symmetrical ear plates are provided on its outer circumference, and one of the ear plates is provided with a longitudinally penetrating vent hole. A silicone rubber diaphragm covers the support plate and is clamped between the annular cap and the support plate; The gas delivery pipe has one end connected to the lower end of the vent and the other end connected to the gas supply pipe.

4. The apparatus as described in claim 2, characterized in that, The gas source is a nitrogen storage tank or nitrogen cylinder mounted on the base frame.

5. The apparatus as described in claim 2, characterized in that, The push-pull mechanism includes a first electric push rod mounted on the plate base and connected to the flushing hole plate, and the first electric push rod is electrically connected to the electrical control box.

6. The apparatus as claimed in claim 2, characterized in that, The flushing orifice plate has multiple oil spray holes distributed on the inner wall of each hole. The oil spray holes are arranged obliquely downward. The flushing orifice plate has an oil supply channel that communicates with the oil spray holes and converges at an oil inlet interface. An oil inlet pipe is installed at the oil inlet interface.

7. The apparatus as claimed in claim 2, characterized in that, An electric three-way valve is connected to the drain port of the circulating pump. One drain port of the electric three-way valve is connected to the flushing orifice plate via a hose, and the other drain port is connected to the extraction tank via a hose.

8. The apparatus as claimed in claim 2, characterized in that, The bottom of the extraction tank is provided with a groove adapted to the microporous aeration disc. The inner circumferential wall of the groove is provided with a sealing ring and is sealed to the outer wall of the microporous aeration disc. An oil drain pipe is provided in the center of the groove. A sliding rubber plug is provided at the oil drain pipe. The rubber plug is connected to the bottom of the microporous aeration disc. A temperature sensor electrically connected to the electrical control box is provided at the bottom of the extraction tank.

9. The apparatus as claimed in claim 8, characterized in that, The filter collection box includes: The tank is fixed on the base frame, and an oil pump for supplying liquid to the outside is connected to one side. It is connected to the circulation pump through a pipeline, and a level gauge is installed on its side wall. The lid is fastened to the opening at the top of the box body. An oil inlet pipe connected to the oil drain pipe is provided on its upper side, and a hook-shaped vent hole is also provided on its top. The filter layer includes a retaining ring fixed to the inner wall of the chamber and located in the upper part of the chamber, and a filter plate overlapping the upper side of the retaining ring.

10. The apparatus as claimed in claim 2, characterized in that, The lifting and adjusting frame includes: The guide frame includes two longitudinally arranged telescopic rods fixed at intervals on the base frame, and a crossbeam connecting the two telescopic rods; the crossbeam is arranged longitudinally in two parts, the upper crossbeam is connected and fixed to the movable rod end of the telescopic rod, the lower crossbeam is connected and fixed to the fixed cylinder of the two telescopic rods, and the upper crossbeam is connected and fixed to the connecting cover. The second electric push rod is connected between the two crossbeams and electrically connected to the control box; The ranging sensor is fixed to the underside of the upper crossbeam.

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