A high-efficiency extraction device for traditional Chinese medicine oral liquid for treating wind-heat cold and a method for preparing traditional Chinese medicine oral liquid

Abstract

The application relates to the field of medical equipment, and discloses a high-efficiency extraction device of a traditional Chinese medicine oral liquid for treating wind-heat cold and a method for preparing the traditional Chinese medicine oral liquid, wherein the high-efficiency extraction device of the traditional Chinese medicine oral liquid for treating wind-heat cold comprises a distillation tank, a condenser and an oil-water separation tank, a first connecting pipe is arranged between the distillation tank and the condenser, a second connecting pipe is arranged between the condenser and the oil-water separation tank, a water pump and a bubble eliminating assembly are arranged on the second connecting pipe; during the process of oil-water mixed liquid passing through the second connecting pipe, the oil-water mixed liquid flows at high speed along the rotating cylinder wall under the constraint of a spiral flow guide plate; the spiral flow generated by the spiral flow guide plate realizes active gathering, rapid breaking and early separation of bubbles, effectively eliminates bubbles and foam in the oil-water mixed liquid, creates a stable and bubble-free liquid environment for subsequent high-efficiency oil-water separation, and makes the extraction more efficient.

Description

Technical Field

[0001] This invention belongs to the field of medical device technology, specifically a high-efficiency extraction device for traditional Chinese medicine oral liquid for treating wind-heat cold and a method for preparing traditional Chinese medicine oral liquid. Background Technology

[0002] Common cold due to wind-heat is a common exogenous disease in clinical practice. Its core treatment lies in dispelling wind and heat, clearing heat and detoxifying. Commonly used traditional Chinese medicine oral liquids often use honeysuckle, forsythia, peppermint, schizonepeta, burdock fruit, and platycodon as compound raw materials. The volatile oils, flavonoids, and terpenes contained in these herbs are key substances for their efficacy. Among them, volatile oil components (such as menthol, schizonepeta oil, and forsythoside) are highly volatile and heat-sensitive, easily decomposed and oxidized by heat, and easily escape with water vapor. Therefore, the extraction process requires extremely high gentleness and precision. Oil-water separation, as the core step in volatile oil extraction, directly determines the efficacy and quality of the oral liquid. Currently, the extraction of effective components from traditional Chinese medicine oral liquids for wind-heat cold mostly uses traditional water decoction or conventional distillation methods. However, the water decoction method has drawbacks such as high volatile oil loss and low extraction rate, and has been gradually replaced by conventional distillation extraction equipment. Conventional distillation extraction equipment uses steam distillation to remove volatile oils from medicinal materials. After condensation, an oil-water mixture is formed, which is then separated from the medicinal liquid by an oil-water separator. However, it has the following drawbacks:

[0003] During the distillation and extraction process, the oil-water mixture formed after the water vapor and the volatile oil of the medicinal material are mixed and condensed carries a large number of microbubbles and foams. The presence of bubbles in the oil-water mixture will disturb the oil-water separation interface, destroy the stability of the oil-water stratification, and make it impossible for the oil phase and water phase, which can be separated into layers due to density differences, to be separated quickly. This greatly prolongs the separation time, resulting in low production efficiency and difficulty in meeting the needs of continuous industrial production. Summary of the Invention

[0004] In view of the above situation and to overcome the defects of the prior art, the present invention provides a high-efficiency extraction device for traditional Chinese medicine oral liquid for treating wind-heat cold and a method for preparing traditional Chinese medicine oral liquid, which effectively solves the problems mentioned in the background.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a high-efficiency extraction device for oral liquid of traditional Chinese medicine for treating wind-heat cold, comprising a distillation tank, a condenser and an oil-water separator, characterized in that: a first connecting pipe is installed between the distillation tank and the condenser, a second connecting pipe is installed between the condenser and the oil-water separator, and a water pump and a bubble elimination component are installed on the second connecting pipe;

[0006] The bubble elimination assembly includes a rotating cylinder with end pipes symmetrically installed at both ends. A spiral guide plate is installed on the inner wall of the rotating cylinder, and a rotating drive component is connected to the rotating cylinder. The rotating drive component drives the rotating cylinder to rotate and generate centrifugal force to eliminate bubbles. A negative pressure defoaming component is provided on the outside of the rotating cylinder to generate a slight negative pressure at the top of the inner cavity of the oil-water separator to further eliminate bubbles.

[0007] The rotation drive includes a gear ring mounted on the outer wall of one end of the tube, and a gear is provided below the gear ring. The gear is coaxially mounted on the output shaft of the drive motor.

[0008] Preferably, the second connecting pipe includes two mounting pipes, the rotating cylinder is horizontally disposed between the two mounting pipes, the two mounting pipes are rotatably mounted on the inner side of the two end pipes respectively, and a rotating sealing ring is provided between the end pipes and the mounting pipes.

[0009] Preferably, the negative pressure defoaming component includes an outer cylinder sleeved outside the rotating cylinder, with a flow space formed between the inner wall of the outer cylinder and the outer wall of the rotating cylinder. A connecting plate is installed at equal angles within the flow space to fix the rotating cylinder and the outer cylinder. A squeezing defoaming component is provided on the connecting plate, and fan blades are installed at equal angles on the inner wall of the outer cylinder, wherein the fan blades are located on the side of the connecting plate near the oil-water separator.

[0010] Preferably, both ends of the circulation space are provided with a sealing plate. The top of the sealing plate near the oil-water separator is fixedly installed with an air suction pipe, and the other end of the air suction pipe is connected to the top of the oil-water separator. The top of the other sealing plate away from the oil-water separator is provided with an exhaust pipe, wherein the end of the air suction pipe connected to the sealing plate is coaxial with the exhaust pipe.

[0011] Preferably, a connecting frame is provided below the outer cylinder, and the two ends of the connecting frame are fixedly connected to two sealing plates on opposite sides. Limiting ring grooves are symmetrically opened on the outer wall of the rotating cylinder and the inner wall of the outer cylinder. The sealing plates are installed in the two limiting ring grooves at the corresponding ends, and a rotating sealing ring is installed between the sealing plates and the limiting ring grooves.

[0012] Preferably, the extrusion defoaming component includes elastic metal sheets installed at equal angles on the inner wall of the rotating cylinder. The elastic metal sheets correspond one-to-one with the connecting plates. A push block is provided on the inner side of the elastic metal sheet. The push block is used to generate pressure on the elastic metal sheet, thereby generating micro-extrusion force on the liquid medicine flowing through the rotating cylinder.

[0013] Preferably, the connecting plate has a rod groove along its length, one end of which extends into the rotating cylinder. A push rod is movably installed inside the rod groove, one end of which is fixedly connected to the push block, wherein the outer wall of the push rod is in close contact with the inner wall of the rod groove.

[0014] Preferably, a sliding groove is provided on the side of the rod groove near the oil-water separator, and a slider is fixedly installed at the end of the push rod away from the push block, with the slider slidably connected to the sliding groove.

[0015] Preferably, a pressure plate is provided on the side of the connecting plate near the oil-water separator tank. The pressure plate is located on the side of the slide groove away from the rotating cylinder. A connecting rod is hinged on the pressure plate, and the other end of the connecting rod is hinged to the slider. Guide rods are symmetrically installed on one side of the connecting plate. The pressure plate and the guide rods are slidably connected. A limit plate is installed at the end of the guide rod. Springs are symmetrically installed between the pressure plate and the connecting plate.

[0016] The method for preparing a traditional Chinese medicine oral liquid for treating wind-heat type common cold using the above-mentioned apparatus includes the following steps:

[0017] Step 1: After crushing the raw materials for the oral liquid, including honeysuckle, forsythia, bupleurum, isatis root, eucalyptus leaves, and iris, put them into a distillation tank and soak them in purified water.

[0018] Step 2: Turn on the distillation tank to heat and perform steam distillation. The volatile oil and steam are mixed and the vapor enters the condenser for cooling through the first connecting pipe to obtain an oil-water mixture.

[0019] Step 3: Turn on the water pump and drive motor. The oil-water mixture enters the bubble elimination component through the second connecting pipe. The rotating cylinder drives the spiral guide plate to rotate and generate swirling defoaming. The negative pressure defoaming component forms a micro negative pressure at the top of the oil-water separator through the suction pipe to assist in defoaming. The extrusion defoaming component applies micro-extrusion to the oil-water mixture through the elastic metal sheet and push block to break the bubbles. After defoaming, the mixture enters the oil-water separator to complete the separation of the oil phase and water phase, and the aqueous extract is collected.

[0020] Step 4: Filter and concentrate the aqueous extract, add pharmaceutical excipients and mix well. After sterilization filtration, filling and sterilization, a traditional Chinese medicine oral liquid for treating wind-heat cold is obtained.

[0021] Compared with the prior art, the beneficial effects of the present invention are:

[0022] 1. During the process of the oil-water mixture passing through the second connecting pipe, under the constraint of the spiral guide plate, it rotates at high speed along the wall of the rotating cylinder. The swirling effect generated by the spiral guide realizes the active aggregation, rapid rupture of bubbles, and early separation of gas and liquid, effectively eliminating bubbles and foam in the oil-water mixture, creating a stable and foam-free liquid environment for subsequent efficient oil-water separation, making the extraction more efficient.

[0023] 2. The present invention uses an outer cylinder that rotates synchronously with the rotating cylinder, causing the fan blades to rotate and drive air circulation. This creates a slight negative pressure in the top area of ​​the oil-water separator. The negative pressure causes the bubbles in the oil-water mixture to precipitate, expand, and burst, further improving the degassing effect of the oil-water mixture, increasing the oil-water separation efficiency, and thus improving the extraction efficiency.

[0024] 3. In this invention, when air flows from the intake pipe to the exhaust pipe, the pressure plate moves under pressure, pushing the push rod and push block towards the elastic metal sheet. This causes the elastic metal sheet to undergo slight deformation, which causes the bubbles in the oil-water mixture to deform and rupture under pressure. This prevents small bubbles from remaining stable and entering the separator with the liquid flow, thereby further improving the oil-water separation efficiency and thus improving the extraction efficiency. Attached Figure Description

[0025] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used together with the embodiments of the invention to explain the invention and do not constitute a limitation thereof.

[0026] In the attached diagram:

[0027] Figure 1 This is a schematic diagram of the structure of the present invention;

[0028] Figure 2 This is a schematic diagram of the bubble elimination component structure of the present invention;

[0029] Figure 3 This is a schematic diagram of the internal structure of the rotating cylinder of the present invention;

[0030] Figure 4 This is a schematic diagram of the negative pressure defoaming component structure of the present invention;

[0031] Figure 5 This is a schematic diagram of the fan blade structure of the present invention;

[0032] Figure 6 This is a schematic diagram of the connection structure between the rotating cylinder and the outer cylinder of the present invention;

[0033] Figure 7 For the present invention Figure 3 Enlarged view of point A in the middle;

[0034] Figure 8 This is a pharmaceutical manufacturing process flowchart for the present invention.

[0035] In the diagram: 1. Distillation tank; 2. Condenser; 3. Oil-water separator; 4. First connecting pipe; 5. Second connecting pipe; 6. Water pump; 7. Bubble elimination assembly; 701. Rotating cylinder; 702. End pipe; 703. Mounting pipe; 704. Gear ring; 705. Gear; 706. Drive motor; 707. Spiral guide plate; 708. Negative pressure defoamer; 7081. Outer cylinder; 7082. Connecting plate; 7083. Limiting ring groove; 7084, sealing plate; 7085, intake pipe; 7086, exhaust pipe; 7087, connecting frame; 7088, fan blade; 709, extrusion debubbling component; 7091, elastic metal sheet; 7092, push block; 7093, rod groove; 7094, push rod; 7095, slide groove; 7096, slider; 7097, pressure plate; 7098, connecting rod; 7099, guide rod; 70910, spring. Detailed Implementation

[0036] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0037] Example 1, by Figure 1 The present invention relates to a high-efficiency extraction device for oral liquid of traditional Chinese medicine for treating wind-heat cold, comprising a distillation tank 1, a condenser 2, and an oil-water separator 3. A first connecting pipe 4 is installed between the distillation tank 1 and the condenser 2, and a second connecting pipe 5 is installed between the condenser 2 and the oil-water separator 3. A water pump 6 and a bubble elimination component 7 are installed on the second connecting pipe 5. The crushed medicinal materials are placed inside the distillation tank 1, then filled with water and electrically heated to achieve extraction of volatile oil. The oil and water vapor produced after evaporation are mixed and enter the condenser 2 through the first connecting pipe 4 for condensation. Then, driven by the water pump 6, the condensed oil-water mixture is introduced into the oil-water separator 3 through the second connecting pipe 5 for oil-water separation.

[0038] Depend on Figures 2-3The bubble elimination assembly 7 includes a rotating cylinder 701 with end pipes 702 symmetrically mounted at both ends. A spiral guide plate 707 is mounted on the inner wall of the rotating cylinder 701. A rotation drive is connected to the rotating cylinder 701, which drives the rotating cylinder 701 to rotate, generating centrifugal force to eliminate bubbles. A negative pressure defoaming component 708 is provided outside the rotating cylinder 701 to generate a slight negative pressure at the top of the inner cavity of the oil-water separator 3, further eliminating bubbles. The rotation drive includes an end pipe 702 mounted at one end. The outer wall has a toothed ring 704, and a gear 705 is set below the toothed ring 704. The gear 705 is coaxially mounted on the output shaft of the drive motor 706. During the process of the oil-water mixture passing through the second connecting pipe 5, it rotates and flows at high speed along the pipe wall of the rotating cylinder 701 under the constraint of the spiral guide plate 707. The swirling effect generated by the spiral guide realizes the active aggregation, rapid rupture and early separation of gas and liquid, effectively eliminating bubbles and foam in the oil-water mixture, creating a stable and foam-free liquid environment for subsequent efficient oil-water separation, making the extraction more efficient.

[0039] The second connecting pipe 5 includes two mounting pipes 703. The rotating cylinder 701 is horizontally arranged between the two mounting pipes 703. The two mounting pipes 703 are rotatably mounted on the inner side of the two end pipes 702 respectively. A rotating sealing ring is provided between the end pipes 702 and the mounting pipes 703.

[0040] Depend on Figures 4-6 The negative pressure defoaming component 708 includes an outer cylinder 7081 sleeved around the rotating cylinder 701. A flow space is formed between the inner wall of the outer cylinder 7081 and the outer wall of the rotating cylinder 701. A connecting plate 7082 is installed at equal angles within the flow space to fix the rotating cylinder 701 and the outer cylinder 7081. A squeezing defoaming component 709 is provided on the connecting plate 7082. Fan blades 7088 are installed at equal angles on the inner wall of the outer cylinder 7081, with the fan blades 7088 located on the side of the connecting plate 7082 closest to the oil-water separator 3. Both ends of the flow space are provided with sealing plates 7084, with the sealing plate 7084 closest to the oil-water separator 3 being closer to the oil-water separator. A suction pipe 7085 is fixedly installed at the top of one end of the oil-water separator 3. The other end of the suction pipe 7085 is connected to the top of the oil-water separator 3. An exhaust pipe 7086 is installed at the top of the side of the sealing plate 7084 away from the oil-water separator 3. The end of the suction pipe 7085 connected to the sealing plate 7084 is coaxially arranged with the exhaust pipe 7086. The outer cylinder 7081 rotates synchronously with the rotating cylinder 701, causing the fan blades 7088 to rotate and drive the air circulation. A slight negative pressure is formed in the top area of ​​the oil-water separator 3. The negative pressure causes the bubbles in the oil-water mixture to precipitate, expand, and break and escape, further improving the degassing effect of the oil-water mixture, improving the oil-water separation efficiency, and thus improving the extraction efficiency.

[0041] A connecting frame 7087 is provided below the outer cylinder 7081. The two ends of the connecting frame 7087 are fixedly connected to two sealing plates 7084 on opposite sides. Limiting ring grooves 7083 are symmetrically opened on the outer wall of the rotating cylinder 701 and the inner wall of the outer cylinder 7081. The sealing plate 7084 is installed in the two limiting ring grooves 7083 at the corresponding end. A rotating sealing ring is installed between the sealing plate 7084 and the limiting ring groove 7083.

[0042] Depend on Figures 6-7 The extrusion defoaming component 709 includes elastic metal sheets 7091 mounted at equal angles on the inner wall of the rotating cylinder 701. Each elastic metal sheet 7091 corresponds to a connecting plate 7082. A push block 7092 is provided on the inner side of each elastic metal sheet 7091, which applies pressure to the elastic metal sheet 7091, thereby generating a micro-extrusion force on the liquid medicine flowing through the rotating cylinder 701. A rod groove 7093 is formed along the length of the connecting plate 7082. One end of 093 extends into the rotating cylinder 701. A push rod 7094 is movably installed inside the rod groove 7093. One end of the push rod 7094 is fixedly connected to the push block 7092. The outer wall of the push rod 7094 is in close contact with the inner wall of the rod groove 7093. A sliding groove 7095 is provided on the side of the rod groove 7093 near the oil-water separator 3. A slider 7096 is fixedly installed on the end of the push rod 7094 away from the push block 7092. The slider 7096 is slidably connected to the sliding groove 7095. A pressure plate 7097 is provided on the side of plate 7082 near the oil-water separator 3. Pressure plate 7097 is located on the side of slide groove 7095 away from rotating cylinder 701. A connecting rod 7098 is hinged to pressure plate 7097, and the other end of connecting rod 7098 is hinged to slider 7096. Guide rods 7099 are symmetrically installed on one side of connecting plate 7082. Pressure plate 7097 is slidably connected to guide rods 7099. A limit plate is installed at the end of guide rod 7099. A spring 70910 is symmetrically installed between the connecting plate 7082 and the air intake pipe 7085 and the exhaust pipe 7086. When air flows from the intake pipe 7085 to the exhaust pipe 7086, the pressure plate 7097 is pressed and moves, pushing the push rod 7094 and the push block 7092 toward the elastic metal sheet 7091. This causes the elastic metal sheet 7091 to undergo slight deformation, causing the bubbles in the oil-water mixture to be deformed and broken under pressure. This prevents small bubbles from remaining stable and entering the separator with the liquid flow, further improving the oil-water separation efficiency and thus improving the extraction efficiency.

[0043] Example 2, by Figure 8 The following steps are provided for preparing a traditional Chinese medicine oral liquid for treating wind-heat type common cold using the above-mentioned apparatus:

[0044] Step 1: After crushing the raw materials for the oral liquid, honeysuckle, forsythia, bupleurum, isatis root, eucalyptus leaves, and iris, put them into distillation tank 1 and soak them in purified water.

[0045] Step 2: Turn on the distillation tank 1 to heat and perform steam distillation. The volatile oil and water vapor are mixed and the vapor enters the condenser 2 through the first connecting pipe 4 to cool, and an oil-water mixture is obtained.

[0046] Step 3: Turn on the water pump 6 and drive motor 706. The oil-water mixture enters the bubble elimination component 7 through the second connecting pipe 5. The rotating cylinder 701 drives the spiral guide plate 707 to rotate and generate swirling defoaming. The negative pressure defoaming component 708 forms a micro negative pressure at the top of the oil-water separator 3 through the suction pipe 7085 to assist in defoaming. The squeezing defoaming component 709 applies micro-squeeze to the oil-water mixture through the elastic metal sheet 7091 and the push block 7092 to break the bubbles. After defoaming, the mixture enters the oil-water separator 3 to complete the separation of the oil phase and the water phase, and the water phase extract is collected.

[0047] Step 4: Filter and concentrate the aqueous extract, add pharmaceutical excipients and mix well. After sterilization filtration, filling and sterilization, a traditional Chinese medicine oral liquid for treating wind-heat cold is obtained.

[0048] Working principle: When in use, the crushed medicinal materials are first placed inside the distillation tank 1, then water is added and electric heating is performed to extract the volatile oil. The oil and water vapor produced after evaporation are mixed and enter the condenser 2 through the first connecting pipe 4 for condensation. Then, driven by the water pump 6, the condensed oil-water mixture is fed into the oil-water separator 3 through the second connecting pipe 5 for oil-water separation.

[0049] During the process of the oil-water mixture passing through the second connecting pipe 5, the drive motor 706 is turned on, driving the gear 705 to rotate. The gear 705 meshes with the gear ring 704, thereby driving the rotating cylinder 701 to rotate rapidly. A spiral guide plate 707 is installed on the inner wall of the rotating cylinder 701. Under the constraint of the spiral guide plate 707, the oil-water mixture rotates and flows at high speed along the pipe wall of the rotating cylinder 701. Under the action of centrifugal force, the oil-water mixture is thrown towards the inner wall of the rotating cylinder 701 to form a wall-adhering liquid film, while the less dense microbubbles move towards the rotating cylinder 701. 1. In the central region, the bubbles gather, converge, and merge to grow larger. As the liquid flow continues to spiral forward, the bubbles gathered in the center expand, rise, and burst. The gas separates and escapes from the liquid flow. At the same time, the liquid film flowing along the wall is stretched and thinned. The tiny bubbles attached to the liquid film also lose their stable support due to the thinning of the liquid film, and rise and burst rapidly. Through the swirling effect generated by the spiral flow, the bubbles actively converge, burst rapidly, and the gas and liquid are separated in advance, effectively eliminating bubbles and foam in the oil-water mixture and creating a stable, bubble-free liquid environment for subsequent efficient oil-water separation.

[0050] During rotation, the rotating cylinder 701 is fixedly connected to the outer cylinder 7081 through the connecting plate 7082, thereby driving the outer cylinder 7081 to rotate synchronously. The inner wall of the outer cylinder 7081 is provided with fan blades 7088 at equal angles, which can drive air to flow from the suction pipe 7085 to the exhaust pipe 7086. One end of the suction pipe 7085 is connected to the top of the oil-water separator 3, so that after the air flows, a slight negative pressure is formed in the top area of ​​the oil-water separator 3. The negative pressure causes the bubbles in the oil-water mixture to precipitate, expand and break and escape, further improving the degassing effect of the oil-water mixture and improving the oil-water separation efficiency.

[0051] After the bubbles precipitate, expand, and burst, they enter the space between the rotating cylinder 701 and the outer cylinder 7081. As air flows, pressure is generated on the surface of the pressure plate 7097, pushing the pressure plate 7097 towards the connecting plate 7082. This, in turn, pushes the push rod 7094 and the push block 7092 towards the elastic metal sheet 7091, causing the elastic metal sheet 7091 to undergo slight deformation. This causes the bubbles in the oil-water mixture to be deformed and burst under pressure, preventing small bubbles from remaining stable and entering the separator with the liquid flow, thus further improving the oil-water separation efficiency. Since the positions of the suction pipe 7085 and the exhaust pipe 7086 are fixed, the gas escape path is fixed. As the rotating cylinder 701 rotates, the connecting plates 7082 at different positions move onto the gas flow path, thereby continuously generating micro-compression pressure.

Claims

1. A high-efficiency extraction device for oral liquid of traditional Chinese medicine for treating wind-heat cold, comprising a distillation tank (1), a condenser (2), and an oil-water separator (3), characterized in that: A first connecting pipe (4) is installed between the distillation tank (1) and the condenser (2), and a second connecting pipe (5) is installed between the condenser (2) and the oil-water separator (3). A water pump (6) and a bubble elimination assembly (7) are installed on the second connecting pipe (5). The bubble elimination assembly (7) includes a rotating cylinder (701), with end pipes (702) symmetrically installed at both ends of the rotating cylinder (701). A spiral guide plate (707) is installed on the inner wall of the rotating cylinder (701). A rotating drive component is connected and installed on the rotating cylinder (701). The rotating drive component drives the rotating cylinder (701) to rotate and generate centrifugal force to eliminate bubbles. A negative pressure defoaming component (708) is provided on the outside of the rotating cylinder (701) to generate a slight negative pressure at the top of the inner cavity of the oil-water separator (3) to further eliminate bubbles. The rotation drive includes a gear ring (704) mounted on the outer wall of one end tube (702), and a gear (705) is provided below the gear ring (704). The gear (705) is coaxially mounted on the output shaft of the drive motor (706).

2. The high-efficiency extraction device for traditional Chinese medicine oral liquid for treating wind-heat cold according to claim 1, characterized in that: The second connecting pipe (5) includes two mounting pipes (703), a rotating cylinder (701) is horizontally arranged between the two mounting pipes (703), the two mounting pipes (703) are respectively rotatably installed inside the two end pipes (702), and a rotating sealing ring is provided between the end pipes (702) and the mounting pipes (703).

3. The high-efficiency extraction device for traditional Chinese medicine oral liquid for treating wind-heat cold according to claim 1, characterized in that: The negative pressure defoaming component (708) includes an outer cylinder (7081) sleeved outside the rotating cylinder (701). A flow space is formed between the inner wall of the outer cylinder (7081) and the outer wall of the rotating cylinder (701). A connecting plate (7082) is installed at equal angles in the flow space. The connecting plate (7082) is used to fix the rotating cylinder (701) and the outer cylinder (7081). A squeezing defoaming component (709) is provided on the connecting plate (7082). A fan blade (7088) is installed at equal angles on the inner wall of the outer cylinder (7081). The fan blade (7088) is located on the side of the connecting plate (7082) near the oil-water separator (3).

4. The high-efficiency extraction device for traditional Chinese medicine oral liquid for treating wind-heat cold according to claim 3, characterized in that: Both ends of the circulation space are provided with a sealing plate (7084). The sealing plate (7084) on the side closer to the oil-water separator (3) has a suction pipe (7085) fixedly installed on the top of the end of the sealing plate (7084) close to the oil-water separator (3). The other end of the suction pipe (7085) is connected to the top of the oil-water separator (3). The other sealing plate (7084) on the side away from the oil-water separator (3) has an exhaust pipe (7086) installed on the top. The end of the suction pipe (7085) connected to the sealing plate (7084) is coaxially arranged with the exhaust pipe (7086).

5. The high-efficiency extraction device for traditional Chinese medicine oral liquid for treating wind-heat cold according to claim 4, characterized in that: A connecting frame (7087) is provided below the outer cylinder (7081). The two ends of the connecting frame (7087) are fixedly connected to the two closing plates (7084) on opposite sides. Limiting ring grooves (7083) are symmetrically opened on the outer wall of the rotating cylinder (701) and the inner wall of the outer cylinder (7081). The closing plate (7084) is installed in the two limiting ring grooves (7083) at the corresponding end. A rotating sealing ring is installed between the closing plate (7084) and the limiting ring groove (7083).

6. The high-efficiency extraction device for traditional Chinese medicine oral liquid for treating wind-heat cold according to claim 3, characterized in that: The extrusion defoaming component (709) includes an elastic metal sheet (7091) installed at equal angles on the inner wall of the rotating cylinder (701). The elastic metal sheet (7091) corresponds one-to-one with the connecting plate (7082). A push block (7092) is provided on the inner side of the elastic metal sheet (7091). The push block (7092) is used to generate pressure on the elastic metal sheet (7091), thereby generating micro-extrusion pressure on the liquid medicine flowing through the rotating cylinder (701).

7. The high-efficiency extraction device for traditional Chinese medicine oral liquid for treating wind-heat cold according to claim 6, characterized in that: The connecting plate (7082) has a rod groove (7093) along its length. One end of the rod groove (7093) extends into the rotating cylinder (701). A push rod (7094) is movably installed inside the rod groove (7093). One end of the push rod (7094) is fixedly connected to the push block (7092). The outer wall of the push rod (7094) is in close contact with the inner wall of the rod groove (7093).

8. The high-efficiency extraction device for traditional Chinese medicine oral liquid for treating wind-heat cold according to claim 7, characterized in that: The rod groove (7093) has a sliding groove (7095) on the side near the oil-water separator (3). The push rod (7094) is fixedly installed with a slider (7096) at the end away from the push block (7092). The slider (7096) is slidably connected to the sliding groove (7095).

9. The high-efficiency extraction device for traditional Chinese medicine oral liquid for treating wind-heat cold according to claim 8, characterized in that: A pressure plate (7097) is provided on the side of the connecting plate (7082) near the oil-water separator (3). The pressure plate (7097) is located on the side of the slide groove (7095) away from the rotating cylinder (701). A connecting rod (7098) is hinged on the pressure plate (7097). The other end of the connecting rod (7098) is hinged to the slider (7096). A guide rod (7099) is symmetrically installed on one side of the connecting plate (7082). The pressure plate (7097) and the guide rod (7099) are slidably connected. A limit plate is installed at the end of the guide rod (7099). A spring (70910) is symmetrically installed between the pressure plate (7097) and the connecting plate (7082).

10. A method for preparing a traditional Chinese medicine oral liquid for treating wind-heat type common cold using the apparatus according to any one of claims 1-9, characterized in that, Includes the following steps: Step 1: After crushing the raw materials for the oral liquid, honeysuckle, forsythia, bupleurum, isatis root, eucalyptus leaves and iris, put them into a distillation tank (1) and soak them in purified water. Step 2: Open the distillation tank (1) and heat it to carry out steam distillation. The volatile oil and steam are mixed and the steam enters the condenser (2) through the first connecting pipe (4) to cool it, and an oil-water mixture is obtained. Step 3: Turn on the water pump (6) and drive motor (706). The oil-water mixture enters the bubble elimination component (7) through the second connecting pipe (5). The rotating cylinder (701) drives the spiral guide plate (707) to rotate and generate swirling defoaming. The negative pressure defoaming component (708) forms a micro negative pressure to assist defoaming at the top of the oil-water separator (3) through the suction pipe (7085). The squeezing defoaming component (709) applies micro-squeezing to the oil-water mixture to break the bubbles through the elastic metal sheet (7091) and the push block (7092). After defoaming, the mixture enters the oil-water separator (3) to complete the separation of the oil phase and the water phase, and collects the water phase extract. Step 4: Filter and concentrate the aqueous extract, add pharmaceutical excipients and mix well. After sterilization filtration, filling and sterilization, a traditional Chinese medicine oral liquid for treating wind-heat cold is obtained.

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