Plant natural perfume extracting solution evaporation device

Abstract

The invention relates to the technical field of perfume extraction equipment, and discloses a plant natural perfume extracting solution evaporation device which comprises a base, an evaporation tank is arranged on the base, the top of the evaporation tank is communicated with an air outlet pipe, a buffer seat is arranged in the evaporation tank, the buffer seat is connected with a water pump through a feeding pipe, the water pump is installed on the base, and the water pump is connected with the air outlet pipe. The device comprises an evaporation tank, a protruding part is arranged in the evaporation tank, a transmission mechanism is arranged in the protruding part through a buoyancy mechanism, a driving motor is arranged at the top of the evaporation tank, and a puncturing mechanism is jointly connected between the driving motor and the transmission mechanism. By means of buoyancy and a transmission mechanism, puncturing and cleaning automation are achieved, a steam treatment link is newly added, the steam and cold air mixing proportion can be accurately adjusted, the steam temperature is optimized, the product quality is better controlled, stable and efficient operation of the device is guaranteed, and the plant natural perfume extraction effect is comprehensively improved.

Description

Technical Field

[0001] The invention relates to the technical field of spice extraction equipment, in particular to an evaporation device for plant natural spice extract. Background Art

[0002] Plant-based natural flavors are organic mixtures extracted from the flowers, grasses, leaves, stems, fruits, roots, skins and other tissues of aromatic plants. Most of them are in oily or paste form, and a few are in resinous or semi-solid form. According to the form and preparation method of the product, they are usually called essential oils, extracts, absolute oils, balsams, fragrant resins, and tinctures. At present, in the existing technology, it is necessary to evaporate and purify the extract of plant-based natural flavors. During the evaporation process, the surface tension of the extract is insufficient, and bubbles are easily formed on the liquid surface. Defoaming agents cannot be added to the extract, which causes the extract to be easily lost, thereby increasing the production cost.

[0003] The patent "A purple sweet potato pigment natural flavor extract evaporation device" with announcement number CN202321332895.X sets a floating block and an oblique thorn structure. When the purple sweet potato pigment extract evaporates, the floating block floats on the liquid surface, and the driving motor drives the relevant components to rotate, so that the oblique thorn can pierce the bubbles, and the floating block can rise and fall with the liquid level, allowing the oblique thorn to automatically follow the liquid level to pierce the bubbles, which realizes automated operation to a certain extent and improves convenience. However, this patent still has some shortcomings. It mainly focuses on purple sweet potato pigment, a specific plant-based natural flavor extract, and has limitations in versatility. Structurally, it is built around the evaporation box, combustion chamber, rotating drum, lifting rod, etc., and is only heated by the combustion plate. The piercing function is achieved by using the driving motor to drive the gear transmission. The steam processing is too simple, and the impact of excessively high steam temperature on subsequent processes and flavor quality is not considered. When dealing with the diverse characteristics of different plant-based natural flavor extracts, the flexibility is poor. Moreover, this patent only focuses on the problems of bubble puncture and liquid level following. There are also problems such as buffering and uniform distribution of the extract during feeding, as well as local overheating or incomplete evaporation caused by uneven liquid distribution during evaporation.

[0004] Therefore, it is necessary to provide a plant-based natural flavor extract evaporation device to solve the above technical problems. Summary of the invention

[0005] The object of the present invention is to provide a plant-based natural flavor extract evaporation device to solve the existing problems in the above-mentioned background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions: A plant-based natural flavor extract evaporation device comprises a base, an evaporation tank is arranged on the base, an air outlet pipe is connected to the top of the evaporation tank, a buffer seat is arranged inside the evaporation tank, a water pump is connected to the buffer seat via a feed pipe, and the water pump is installed on the base, a convex portion is arranged inside the evaporation tank, a transmission mechanism is arranged inside the convex portion via a buoyancy mechanism, a driving motor is arranged on the top of the evaporation tank, and a puncture mechanism is commonly connected between the driving motor and the transmission mechanism.

[0007] As a further solution of the present invention, the transmission mechanism includes a central shaft, and the central shaft is arranged on the output shaft of the driving motor, a mounting shaft is sleeved on the central shaft, an end face gear ring is slidably connected to the inner wall of the raised portion, the end face gear ring and the raised portion are connected by a reset spring, a movable frame is slidably connected to the inner wall of the end face gear ring, a horizontal shaft is provided on the movable frame, and one end of the horizontal shaft away from the movable frame is installed on the mounting shaft, a transmission gear and a puncturing mechanism are provided on the horizontal shaft, and the transmission gear is meshed with the end face gear ring.

[0008] As a further solution of the present invention, the buoyancy mechanism includes a buoyancy annular cavity, and the outer side wall of the buoyancy annular cavity is connected to the end face gear ring through an annular plate, and a buoyancy ball is installed at the lower end of the installation shaft.

[0009] As a further solution of the present invention, a limit strip is installed on the outer side wall of the central axis, a limit groove is provided on the inner side wall of the installation axis, and the limit strip is located in the limit groove.

[0010] As a further solution of the present invention, the puncturing mechanism includes a puncturing roller, and a plurality of puncturing needles are evenly arranged on the outer wall of the puncturing roller. The puncturing needle includes a vertical portion and a puncturing portion, and the center line of the vertical portion is perpendicular to the center line of the puncturing roller, and the center line of the puncturing portion is perpendicular to the center line of the vertical portion.

[0011] As a further solution of the present invention, a cleaning roller is horizontally mounted on the movable frame, and the cleaning roller is in contact with the puncture needle. A connecting gear is provided on the cleaning roller, and the connecting gear is meshed with the transmission gear.

[0012] As a further solution of the present invention, a scraper is provided on the movable frame, and the scraper is in contact with the puncture needle.

[0013] As a further solution of the present invention, a plurality of sliding frames are symmetrically mounted on the outer side wall of the end face gear ring, a plurality of sliding grooves are formed on the inner side wall of the raised portion, and the sliding frames are slidably connected in the sliding grooves.

[0014] As a further solution of the present invention, an annular limiting groove is provided on the inner side wall of the end face gear ring, an annular limiting block is fixedly connected to the movable frame, and the annular limiting block is slidably connected in the annular limiting groove.

[0015] As a further solution of the present invention, the buffer seat includes an inverted bucket cover, and the inverted bucket cover is connected to the feed pipe, the inverted bucket cover is provided with an annular spiral tube, a sealing plate is installed at the lower end of the annular spiral tube, and a buffer cavity is formed between the inverted bucket cover and the sealing plate, a plurality of inlets are evenly opened on the annular spiral tube, and the inlets are located in the buffer cavity, and a plurality of outlets are opened on the outer side wall of the annular spiral tube, and the outlets are located outside the buffer cavity.

[0016] As a further solution of the present invention, a skirt valve is installed at the end of the outlet pipe, the inlet of the skirt valve is also connected to the cold air inlet pipe, the outlet end of the skirt valve is connected to the mixing pipe, and the skirt valve is controlled by a steering gear.

[0017] 1. The buffer seat design of the present invention, i.e., the inverted bucket cover, the annular spiral tube and the buffer chamber structure, allows the extract to be fully buffered before entering the bottom of the evaporator, prolongs the residence time through the spiral path, and flows out through the evenly distributed outlets, effectively reducing local liquid accumulation, providing a more even liquid distribution basis for subsequent evaporation, and helping to improve evaporation efficiency and flavor extraction quality.

[0018] 2. Skirt valves, cold air inlet pipes, mixing pipes and other components bring significant advantages. The skirt valve is controlled by the steering gear, which can accurately adjust the flow ratio of steam and cold air, effectively cool the high-temperature steam, and prevent it from having adverse effects on other components in subsequent mixing. Steam and cold air are fully mixed in the mixing pipe, and can also be mixed with auxiliary components such as protective gas that may be added, which greatly improves the flexibility and controllability of steam processing. By adjusting the mixing ratio of steam and cold air, the temperature of the mixed gas can be accurately controlled, which has a positive impact on quality factors such as the crystallization morphology of the spices in the subsequent condensation process, thereby better controlling product quality. For example, the extraction of temperature-sensitive spice ingredients can optimize the extraction effect in this way. In addition, the addition of antioxidant gases can extend the shelf life of spices.

[0019] 3. The transmission mechanism driven by the drive motor, combined with the buoyancy mechanism, can automatically adjust the working state of the puncturing roller and other components according to the change of liquid level. The puncturing needle with special structure on the puncturing roller can effectively puncture the droplets or foam in the extract, increase the evaporation area, and improve the evaporation efficiency. The cleaning roller and scraper continuously clean the puncturing needle to ensure its working performance and prevent impurities from adhering to affect the puncture and evaporation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0021] Figure 1 It is a visual diagram of the present invention; Figure 2 It is a schematic structural diagram of the evaporation tank of the present invention in a cutaway state; Figure 3It is a structural schematic diagram of the connection state of the buoyancy mechanism, the transmission mechanism and the puncture mechanism in the present invention; Figure 4 It is an enlarged view of the structure of the piercing roller part in the present invention; Figure 5 It is an enlarged view of the structure of the end face gear ring in the present invention; Figure 6 It is a direct view of the buffer seat in the present invention; Figure 7 It is a schematic structural diagram of the buffer seat in the present invention in a cut-away state; Figure 8 It is an enlarged view of the skirt valve structure of the present invention.

[0022] In the figure: 1 base, 2 evaporation tank, 3 buffer seat, 301 bucket cover, 302 annular spiral tube, 303 sealing plate, 304 inlet, 305 outlet, 4 raised part, 5 drive motor, 6 center shaft, 7 mounting shaft, 8 end face gear ring, 9 moving frame, 10 transmission gear, 12 buoyancy annular cavity, 13 buoyancy ball, 14 puncture roller, 15 puncture needle, 16 cleaning roller, 17 connecting gear, 18 scraper, 19 outlet pipe, 20 feed pipe, 21 water pump, 22 return spring, 23 skirt valve, 24 cold air inlet pipe, 25 mixing pipe. DETAILED DESCRIPTION

[0023] Embodiment 1 like Figure 1-Figure 5 As shown, a plant natural flavor extract evaporation device comprises a base 1, an evaporation tank 2 is arranged on the base 1, an air outlet pipe 19 is connected to the top of the evaporation tank 2, a buffer seat 3 is arranged in the evaporation tank 2, a water pump 21 is connected to the buffer seat 3 via a feed pipe 20, and the water pump 21 is installed on the base 1, a convex portion 4 is arranged in the evaporation tank 2, a transmission mechanism is arranged in the convex portion 4 via a buoyancy mechanism, a driving motor 5 is arranged on the top of the evaporation tank 2, and a puncture mechanism is commonly connected between the driving motor 5 and the transmission mechanism.

[0024] The transmission mechanism includes a central shaft 6, and the central shaft 6 is arranged on the output shaft of the driving motor 5. The central shaft 6 is sleeved with a mounting shaft 7. A limit strip is installed on the outer wall of the central shaft 6. A limit groove is provided on the inner wall of the mounting shaft 7, and the limit strip is located in the limit groove. An end face tooth ring 8 is slidably connected to the inner wall of the raised portion 4. A plurality of sliding frames are symmetrically installed on the outer wall of the end face tooth ring 8. A plurality of sliding grooves are provided on the inner wall of the raised portion 4, and the sliding frames are slidably connected in the sliding grooves. The end face toothed ring 8 is connected to the raised portion 4 via a reset spring 22, the inner wall of the end face toothed ring 8 is slidably connected to a moving frame 9, an inner side wall of the end face toothed ring 8 is provided with an annular limiting groove, an annular limiting block is fixedly connected to the moving frame 9, and the annular limiting block is slidably connected in the annular limiting groove, a horizontal axis is provided on the moving frame 9, and one end of the horizontal axis away from the moving frame 9 is installed on the mounting shaft 7, a transmission gear 10 and a puncturing mechanism are provided on the horizontal axis, and the transmission gear 10 is meshed with the end face toothed ring 8.

[0025] The buoyancy mechanism includes a buoyancy annular cavity 12, and the outer wall of the buoyancy annular cavity 12 is connected to the end face gear ring 8 through an annular plate. A buoyancy ball 13 is installed at the lower end of the mounting shaft 7. The buoyancy ball 13 and the buoyancy annular cavity 12 are filled with lightweight materials with a density lower than that of the extract and stable chemical properties, which further enhances the buoyancy effect and makes the entire buoyancy mechanism more responsive to changes in liquid level.

[0026] The puncturing mechanism includes a puncturing roller 14, and a plurality of puncturing needles 15 are evenly arranged on the outer wall of the puncturing roller 14. The puncturing needles 15 include a vertical portion and a puncturing portion, and the center line of the vertical portion is perpendicular to the center line of the puncturing roller 14, and the center line of the puncturing portion is perpendicular to the center line of the vertical portion. A cleaning roller 16 is also horizontally mounted on the mobile frame 9, and the cleaning roller 16 contacts the puncturing needles 15. A connecting gear 17 is arranged on the cleaning roller 16, and the connecting gear 17 is meshed with the transmission gear 10. A scraper 18 is arranged on the mobile frame 9, and the scraper 18 contacts the puncturing needles 15.

[0027] When in use, the water pump 21 is started, and the plant-based natural flavor extract is extracted from the outside through the feed pipe 20 and transported to the buffer seat 3 in the evaporation tank 2. The buffer seat 3 plays the role of preliminary buffering and dispersing the liquid, so that the extract can enter the subsequent evaporation area of ​​the evaporation tank 2 more evenly. As the extract continues to enter the evaporation tank 2, the liquid level in the tank gradually rises. At this time, the evaporation tank 2 starts to work, heating and evaporating the extract, and the generated steam is discharged through the outlet pipe 19 connected to the top, so that the steam can be condensed and collected later, thereby obtaining the plant-based natural flavor.

[0028] The driving motor 5 is started, and its output shaft drives the central shaft 6 to rotate. Due to the cooperation between the limit strip on the central shaft 6 and the limit groove on the inner side wall of the installation shaft 7, the central shaft 6 can drive the installation shaft 7 to rotate synchronously. When the liquid level in the evaporator 2 rises, the buoyancy ball 13 and the buoyancy annular cavity 12 are subjected to upward buoyancy. As the buoyancy increases, the installation shaft 7 and the end face gear 8 both move upward under the action of buoyancy. The installation shaft 7 is connected to the moving frame 9 through the horizontal axis, and the moving frame 9 is slidably connected to the inner wall of the end face gear ring 8 (through the cooperation of the annular limiting block and the annular limiting groove). The upward movement of the installation shaft 7 and the end face gear 8 will drive the moving frame 9 to overcome the elastic force of the reset spring 22 and slide upward. During the upward sliding process of the end face gear ring 8, the transmission gear 10 on its inner side wall rotates around the horizontal axis under the meshing action with the end face gear ring 8. The rotation of the transmission gear 10 drives the cleaning roller 16 to rotate synchronously through the connecting gear 17.

[0029] When the transmission gear 10 rotates, since it is installed on the horizontal axis, it will drive the pricking roller 14 to rotate, and a number of pricking needles 15 evenly distributed on the outer wall of the pricking roller 14 will rotate accordingly. These pricking needles 15 include a vertical part and a pricking part. The special structural design (the center line of the vertical part is perpendicular to the center line of the pricking roller 14, and the center line of the pricking part is perpendicular to the center line of the vertical part) enables the pricking needles 15 to pierce droplets or foam in the extract during the rotation of the pricking roller 14, thereby increasing the evaporation area of ​​the liquid and improving the evaporation efficiency.

[0030] The cleaning roller 16 is in contact with the puncture needle 15, and when it rotates driven by the connecting gear 17, it can clean the surface of the puncture needle 15 to prevent impurities in the extract from adhering to the puncture needle 15 and affecting its puncture effect and subsequent evaporation. At the same time, the scraper 18 provided on the mobile frame 9 is in contact with the puncture needle 15 to further assist in cleaning, and scrape off impurities on the puncture needle 15 that are difficult to be cleaned by the cleaning roller 16, so as to ensure that the puncture needle 15 is always in a relatively clean working state.

[0031] When the liquid level in the evaporator 2 drops, the buoyancy of the buoyancy ball 13 decreases. Under the elastic force of the reset spring 22, the end face gear ring 8, the movable frame 9, the mounting shaft 7, etc. move downward as a whole and reset to the initial position, waiting for the next liquid level change to trigger the corresponding work.

[0032] Embodiment 2 Based on the first embodiment, Figure 6-Figure 7As shown, the buffer seat 3 includes an inverted bucket cover 301, and the inverted bucket cover 301 is connected to the feed pipe 20, an annular spiral tube 302 is provided on the inverted bucket cover 301, a sealing plate 303 is installed at the lower end of the annular spiral tube 302, and a buffer cavity is formed between the inverted bucket cover 301 and the sealing plate 303, a plurality of inlets 304 are evenly opened on the annular spiral tube 302, and the inlets 304 are located in the buffer cavity, and a plurality of outlets 305 are opened on the outer side wall of the annular spiral tube 302, and the outlets 305 are located outside the buffer cavity.

[0033] After the water pump 21 is started, the plant-based natural fragrance extract flows into the inverted bucket cover 301 through the feed pipe 20. The shape design of the inverted bucket cover 301 is conducive to guiding the liquid to flow to the area where the annular spiral tube 302 is located. After the extract enters the buffer cavity formed by the inverted bucket cover 301 and the sealing plate 303, it enters the inside of the annular spiral tube 302 from the inlet 304 evenly opened on the annular spiral tube 302. In the annular spiral tube 302, the liquid flows along the spiral path. This process prolongs the residence time of the liquid in the buffer seat 3 and plays a further buffering role. The liquid buffered by the annular spiral tube 302 flows out from the outlet 305 on its outer wall and is evenly distributed at the bottom of the evaporation tank 2. Due to the buffering of the liquid through the spiral path and the uniform setting of the outlet 305, compared with the first embodiment, the distribution of the liquid at the bottom of the evaporation tank 2 is more even, reducing the possibility of local liquid accumulation, and laying a better foundation for subsequent efficient and uniform evaporation.

[0034] Compared with the structure of the buffer seat 3 of the embodiment 2, the liquid buffering and distribution uniformity are significantly improved. The path design of the annular spiral tube 302 further slows down the liquid flow rate, prolongs the residence time of the liquid in the buffer chamber, and thus can achieve a more accurate buffering effect. At the same time, the outlet 305 is evenly distributed on the outer wall of the annular spiral tube 302, which can spread the liquid more evenly on the bottom of the evaporation tank 2, which helps to improve the evaporation efficiency, reduce local overheating or incomplete evaporation caused by uneven liquid distribution, and ultimately improve the extraction quality and yield of plant-based natural flavors.

[0035] Embodiment 3 Based on the second embodiment, Figure 8As shown, a skirt valve 23 is installed at the end of the outlet pipe 19, and the inlet of the skirt valve 23 is also connected to a cold air inlet pipe 24. The source of cold air can be a special refrigeration equipment, such as a compression refrigerator or an absorption refrigerator. By adjusting the refrigeration capacity of the refrigerator and the flow regulating valve on the cold air inlet pipe 24, the temperature and flow of the cold air entering the skirt valve 23 can be accurately controlled. The flow regulating valve can be linked with the steering gear control system of the skirt valve 23 to automatically adjust the flow of cold air according to parameters such as the temperature and flow of steam and the temperature of the mixed gas required by the production process, thereby realizing intelligent control. The outlet end of the skirt valve 23 is connected to a mixing pipe 25, and the skirt valve 23 is controlled by a steering gear.

[0036] After the evaporator 2 heats and evaporates the plant-based natural flavor extract, the generated steam is discharged through the outlet pipe 19 and enters the inlet of the skirt valve 23. At the same time, the cold air inlet pipe 24 introduces the external cold air into the inlet of the skirt valve 23. The role of the cold air here is to initially cool down the high-temperature steam to prevent the adverse effects on other components due to the excessively high steam temperature during the subsequent mixing process. The skirt valve 23 is controlled by a steering gear. Through the precise control of the steering gear, the opening of the skirt valve 23 can be adjusted, thereby controlling the flow ratio of steam and cold air entering the skirt valve 23. For example, when it is necessary to quickly cool down the steam, the air intake of the cold air inlet pipe 24 can be increased, that is, the opening of the steam inlet channel in the skirt valve 23 is appropriately reduced by the steering gear, while the opening of the cold air inlet channel is increased.

[0037] After the steam and cold air are mixed after the ratio is adjusted by the skirt valve 23, they enter the mixing pipe 25 from the gas outlet end of the skirt valve 23. In the mixing pipe 25, the steam is fully mixed with other substances that may be present and need to be mixed (for example, in some spice extraction processes, some protective gas or other auxiliary components may need to be added to improve the quality of the spice). The mixed gas can be transported to subsequent condensation, collection or further processing equipment according to the production process requirements. This process helps to better control the product quality during the steam treatment stage of spice extraction. For example, by adjusting the mixing ratio of steam and cold air, the temperature of the mixed gas can be controlled, thereby affecting quality factors such as the crystallization morphology of the spice in the subsequent condensation process.

[0038] Compared with the second embodiment, the third embodiment adds the pretreatment and mixing steps of steam, which greatly improves the flexibility and controllability of steam treatment in the spice extraction process. By accurately adjusting the mixing ratio of steam and cold air, the temperature conditions in the subsequent processing process can be better controlled, which is particularly important for the extraction of some temperature-sensitive spice components. At the same time, the setting of the mixing tube 25 makes it possible to add other beneficial ingredients in the steam stage, which helps to improve the quality and performance of the spice product. For example, by adding certain antioxidant gases, the shelf life of the spice can be extended.

Claims

1. A plant-derived natural flavor extract evaporation device, comprising a base, characterized in that: An evaporation tank is provided on the base, an air outlet pipe is connected to the top of the evaporation tank, a buffer seat is provided in the evaporation tank, a water pump is connected to the buffer seat via a feed pipe, and the water pump is installed on the base, a raised portion is provided in the evaporation tank, a transmission mechanism is provided in the raised portion via a buoyancy mechanism, a driving motor is provided on the top of the evaporation tank, and a puncture mechanism is commonly connected between the driving motor and the transmission mechanism.

2. The evaporation device for plant-derived natural flavor extract according to claim 1, characterized in that: The transmission mechanism includes a central shaft, and the central shaft is arranged on the output shaft of the driving motor, a mounting shaft is sleeved on the central shaft, an end face gear ring is slidably connected to the inner wall of the raised portion, the end face gear ring and the raised portion are connected by a reset spring, a moving frame is slidably connected to the inner wall of the end face gear ring, a horizontal shaft is provided on the moving frame, and one end of the horizontal shaft away from the moving frame is installed on the mounting shaft, a transmission gear and a puncturing mechanism are provided on the horizontal shaft, and the transmission gear is meshed with the end face gear ring.

3. The evaporation device for plant-derived natural flavor extract according to claim 1, characterized in that: The buoyancy mechanism comprises a buoyancy annular cavity, and the outer side wall of the buoyancy annular cavity is connected with the end face gear ring through an annular plate, and a buoyancy ball is installed at the lower end of the installation shaft.

4. The evaporation device for plant-derived natural flavor extract according to claim 2, characterized in that: A limiting strip is installed on the outer side wall of the central axis, a limiting groove is provided on the inner side wall of the installation axis, and the limiting strip is located in the limiting groove.

5. The evaporation device for plant-derived natural flavor extract according to claim 2, characterized in that: The puncturing mechanism comprises a puncturing roller, and a plurality of puncturing needles are evenly arranged on the outer wall of the puncturing roller. The puncturing needles comprise a vertical portion and a puncturing portion, and the center line of the vertical portion is perpendicular to the center line of the puncturing roller, and the center line of the puncturing portion is perpendicular to the center line of the vertical portion.

6. The evaporation device for plant-derived natural flavor extract according to claim 5, characterized in that: A cleaning roller is also horizontally mounted on the movable frame, and the cleaning roller is in contact with the puncture needle. A connecting gear is arranged on the cleaning roller, and the connecting gear is meshed with the transmission gear.

7. The evaporation device for plant-derived natural flavor extract according to claim 2, characterized in that: The movable frame is provided with a scraper, and the scraper is in contact with the puncture needle.

8. The evaporation device for plant-derived natural flavor extract according to claim 1, characterized in that: The buffer seat includes an inverted bucket cover, and the inverted bucket cover is connected to the feed pipe, an annular spiral tube is provided on the inverted bucket cover, a sealing plate is installed at the lower end of the annular spiral tube, and a buffer cavity is formed between the inverted bucket cover and the sealing plate, a plurality of inlets are evenly opened on the annular spiral tube, and the inlets are located in the buffer cavity, and a plurality of outlets are opened on the outer side wall of the annular spiral tube, and the outlets are located outside the buffer cavity.

9. The evaporation device for plant-derived natural flavor extract according to claim 1, characterized in that: A skirt valve is installed at the end of the air outlet pipe, the inlet of the skirt valve is also connected to a cold air inlet pipe, the air outlet end of the skirt valve is connected to a mixing pipe, and the skirt valve is controlled by a steering gear.

Images