Cooling device for extracting plant essential oil

Abstract

The utility model relates to the technical field of plant essential oil extraction equipment, and discloses a cooling device for extracting plant essential oil, which comprises a bottom plate, a support seat fixedly mounted at the top of the bottom plate, a cooling box fixedly mounted at the top of the support seat, and a cooling coil fixedly mounted in the cooling box. The cooling device has the following advantages and effects that cooling liquid can be pumped into the cooling box to exchange heat with the cooling coil, the cooling liquid at the bottom of the cooling box flows back into the water tank to form circular flow, the backflow cooling liquid is cooled through the semiconductor chilling plate, the cyclic utilization rate and the cooling efficiency of the cooling liquid are improved, and the service life of the cooling device is prolonged. The cooling efficiency of the essential oil steam is further improved by increasing the heat dissipation area and cooling the cooling liquid in the cooling box, and the multiple rubber sheets can be driven by flushing of the cooling liquid to beat the cooling coil pipe, so that condensed oil drops and water drops are converged and enlarged, and the condensed oil drops and water drops conveniently flow out of the cooling box.

Description

Technical Field

[0001] The utility model relates to the technical field of plant essential oil extraction equipment, in particular to a cooling device for extracting plant essential oil. Background Art

[0002] Plant essential oils are aromatic substances extracted from plants, which are extracted from the flowers, leaves, roots, bark, fruits, seeds, resins, etc. of herbaceous plants by distillation and pressing. Distillation can be said to be the oldest and most widely used method for extracting essential oils. The processing procedure includes heating the plants with water or steam (or both) in a distillation container to discharge the water vapor, thereby producing a concentrated liquid. In the process of water vapor discharge, some essential oils will also be carried with it. At this time, a condensing device is required to condense the essential oils in the water vapor through the temperature difference effect. In the existing technology, the essential oil vapor is usually cooled and liquefied by heat exchange with the ambient air using a cooling tube, and the cooling efficiency is low.

[0003] Therefore, it is necessary to design a cooling device for extracting plant essential oils that can improve cooling efficiency and accelerate the cooling and liquefaction of essential oil vapor. Utility Model Content

[0004] The purpose of the utility model is to provide a cooling device for extracting plant essential oils, which has the effect of improving cooling efficiency and accelerating the cooling and liquefaction of essential oil vapor.

[0005] The above technical purpose of the utility model is achieved through the following technical solutions: a cooling device for extracting plant essential oils, comprising a base plate, a support seat fixedly installed on the top of the base plate, a cooling box fixedly installed on the top of the support seat, a cooling coil fixedly installed in the cooling box, a feed pipe fixedly installed on the left side of the cooling box, the right end of the feed pipe fixedly connected to the input end of the cooling coil, a discharge pipe fixedly installed on the right side of the cooling box, the left end of the discharge pipe fixedly installed to the output end of the cooling coil, and a cooling device for cooling the essential oil vapor is provided on the cooling box.

[0006] By adopting the above technical solution, circulating water can be used to cool the cooling coil, thereby accelerating the heat exchange between the essential oil vapor and the cooling coil, cooling and liquefying the essential oil vapor, and using semiconductor refrigeration sheets to cool the circulating water, thereby improving the recycling rate and cooling efficiency of the coolant.

[0007] The utility model is further configured as follows: the cooling device includes a return pipe, a water tank, a water pump, a suction pipe, a drain pipe, a tee pipe and two diversion pipes. The bottom inner wall of the cooling box is a conical structure. The return pipe is fixedly installed at the bottom of the cooling box, the water tank is fixedly installed on the top of the base plate, the bottom end of the return pipe extends into the water tank, the water pump is fixedly installed on the top of the base plate and is located on the left side of the water tank, the suction pipe is fixedly installed at the suction end of the water pump, the right end of the suction pipe extends into the water tank, the drain pipe is fixedly installed at the discharge end of the water pump, the tee pipe is fixedly installed at the end of the drain pipe away from the water pump, the two diversion pipes are respectively fixedly installed at the two connecting ends of the tee pipe, and the ends of the two diversion pipes away from the tee pipe both extend into the cooling box.

[0008] By adopting the above technical solution, the coolant in the water tank can be drawn from the two branch pipes into the cooling box and the cooling coil for heat exchange, and the coolant at the bottom of the cooling box can be returned to the water tank to form a circulating flow and reduce resource waste.

[0009] The utility model is further configured as follows: a cooling groove located between two shunt pipes is provided on the top of the cooling box, a heat conducting rod is fixedly installed on the bottom inner wall of the cooling groove, a plurality of evenly distributed heat conducting blocks are fixedly installed on the heat conducting rod, and the plurality of heat conducting blocks are fixedly connected to the annular inner wall of the cooling groove, the top of the heat conducting rod extends to the top of the cooling box and is fixedly installed with a heat sink, and a plurality of evenly distributed heat sinks are fixedly installed on the top of the heat sink.

[0010] By adopting the above technical solution, the heat dissipation area can be increased by utilizing the heat dissipation plate and the heat dissipation fins, thereby improving the cooling efficiency of the inner wall of the cooling groove, thereby cooling the coolant in the cooling box.

[0011] The utility model is further configured as follows: a mounting opening is opened on the right side wall of the water tank, a semiconductor refrigeration plate is embedded in the mounting opening, and a first temperature sensor is fixedly installed on the bottom inner wall of the water tank.

[0012] By adopting the above technical solution, the coolant in the water tank can be cooled and cooled, preventing the coolant from gradually heating up as heat exchange proceeds, thereby improving the recycling rate and cooling efficiency of the coolant.

[0013] The utility model is further configured as follows: a water injection hole is provided on the top of the water tank, and a rubber plug is installed on the inner thread of the water injection hole.

[0014] By adopting the above technical solution, the coolant in the water tank can be replenished in time.

[0015] The utility model is further configured as follows: a discharge solenoid valve is fixedly installed on the return pipe.

[0016] By adopting the above technical solution, the coolant in the cooling box can be controlled to flow back into the water tank for further cooling.

[0017] The present invention is further configured as follows: a second temperature sensor is fixedly mounted on the bottom inner wall of the cooling box.

[0018] By adopting the above technical solution, the water temperature after the heat exchange between the coolant and the cooling coil can be easily mastered.

[0019] The utility model is further configured as follows: a horizontal shaft is rotatably installed in the cooling box, a plurality of leaves distributed in a ring array are fixedly installed on the horizontal shaft, and a rubber sheet is fixedly installed on one side of the plurality of leaves away from the horizontal shaft.

[0020] By adopting the above technical solution, the water flow when the coolant is injected into the cooling box can be used to flush multiple rubber sheets, thereby driving the multiple rubber sheets to rotate, and hitting the cooling coil during the rotation process. The vibration of the cooling coil causes the oil droplets and water droplets formed by the condensation of the essential oil vapor to converge and become larger, and flow out of the cooling box through the cooling coil.

[0021] The present invention is further configured as follows: a notch is provided on the left side of the support seat, and the water pump is located in the notch.

[0022] By adopting the above technical solution, it is convenient to install the water pump and replenish the coolant in the water tank.

[0023] The utility model is further configured as follows: four self-locking universal wheels symmetrically distributed in pairs are rotatably mounted on the top of the base plate.

[0024] By adopting the above technical solution, the control device body can be easily moved, thereby facilitating connection with the discharge end of the essential oil vapor.

[0025] The beneficial effects of the utility model are:

[0026] 1. The utility model utilizes a cooling device consisting of a return pipe, a water tank, a water pump, a water suction pipe, a drain pipe, a tee pipe and two branch pipes. The coolant in the water tank can be drawn from the two branch pipes into the cooling box and heat exchanged with the cooling coil, and the coolant at the bottom of the cooling box is returned to the water tank to form a circulating flow, thereby reducing resource waste. The reflux coolant is cooled by a semiconductor refrigeration plate, thereby improving the recycling rate and cooling efficiency of the coolant.

[0027] 2. The utility model utilizes the combined effect of a heat conducting rod, a heat conducting block, a heat sink and a plurality of heat sinks to increase the heat dissipation area, thereby improving the cooling efficiency of the inner wall of the cooling groove, and then cooling the coolant in the cooling box, thereby further improving the cooling efficiency of the essential oil vapor.

[0028] 3. The utility model utilizes the combined effect of a horizontal axis, multiple leaves and multiple rubber sheets, and can use the water flow when the coolant is injected into the cooling box to flush the multiple rubber sheets, thereby driving the multiple rubber sheets to rotate, and slap the cooling coil during the rotation. The vibration of the cooling coil causes the oil droplets and water droplets formed by the condensation of the essential oil vapor to converge and become larger, and then flow out of the cooling box through the cooling coil. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0030] Figure 1 It is a schematic diagram of the three-dimensional structure of this embodiment.

[0031] Figure 2 It is a schematic diagram of the main cross-sectional structure of this embodiment.

[0032] Figure 3 yes Figure 2 Schematic diagram of the enlarged structure of part A.

[0033] Figure 4 It is a schematic diagram of the three-dimensional structure of the cross-section of this embodiment.

[0034] In the figure, 1. bottom plate; 2. support base; 3. cooling box; 4. cooling coil; 5. feed pipe; 6. discharge pipe; 7. return pipe; 8. water tank; 9. water pump; 10. suction pipe; 11. drainage pipe; 12. tee pipe; 13. diverter pipe; 14. cooling groove; 15. semiconductor refrigeration plate; 16. first temperature sensor; 17. water injection hole; 18. rubber plug; 19. unloading solenoid valve; 20. second temperature sensor; 21. heat conducting rod; 22. heat conducting block; 23. heat sink; 24. heat sink; 25. notch; 26. self-locking universal wheel; 27. horizontal axis; 28. leaf; 29. ​​rubber sheet. DETAILED DESCRIPTION

[0035] The following will clearly and completely describe the technical solutions of the present invention in conjunction with specific embodiments. Obviously, the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort are also within the scope of protection of the present invention.

[0036] See also Figure 1 、 Figure 2 、 Figure 3 and Figure 4 The utility model provides a cooling device for extracting plant essential oils, including a base plate 1, four self-locking universal wheels 26 symmetrically distributed in pairs are rotatably installed on the top of the base plate 1, a support base 2 is fixedly installed on the top of the base plate 1, a cooling box 3 is fixedly installed on the top of the support base 2, and a second temperature sensor 20 is fixedly installed on the bottom inner wall of the cooling box 3. The second temperature sensor 20 can be used to conveniently grasp the water temperature after heat exchange between the coolant and the cooling coil 4, thereby controlling the circulation of the coolant, and a cooling coil 4 is fixedly installed in the cooling box 3, a feed pipe 5 is fixedly installed on the left side of the cooling box 3, and the right end of the feed pipe 5 is fixedly connected to the input end of the cooling coil 4, a discharge pipe 6 is fixedly installed on the right side of the cooling box 3, and the left end of the discharge pipe 6 is fixedly installed to the output end of the cooling coil 4, and a cooling device for cooling the essential oil vapor is provided on the cooling box 3.

[0037] Specifically, an installation port is provided on the right side wall of the water tank 8, and a semiconductor refrigeration plate 15 is embedded in the installation port. The semiconductor refrigeration plate 15 can be used to cool the coolant in the water tank 8 to prevent the coolant from gradually heating up with the progress of heat exchange, thereby improving the recycling rate and cooling efficiency of the coolant. A first temperature sensor 16 is fixedly installed on the bottom inner wall of the water tank 8. The first temperature sensor 16 can timely understand the coolant temperature in the water tank 8. A water injection hole 17 is provided on the top of the water tank 8. The coolant in the water tank 8 can be conveniently replenished through the water injection hole 17. A rubber plug 18 is threadedly installed in the water injection hole 17.

[0038] Specifically, the cooling device includes a return pipe 7, a water tank 8, a water pump 9, a water suction pipe 10, a drain pipe 11, a tee pipe 12 and two shunt pipes 13. The bottom inner wall of the cooling box 3 is a conical structure. The return pipe 7 is fixedly installed at the bottom of the cooling box 3. A discharge solenoid valve 19 is fixedly installed on the return pipe 7. The discharge solenoid valve 19 can control the coolant in the cooling box 3 to flow back to the water tank 8 for further cooling. The water tank 8 is fixedly installed on the top of the bottom plate 1. The bottom end of the return pipe 7 extends into the water tank 8. The water pump 9 is fixedly installed on the top of the bottom plate 1 and is located on the left side of the water tank 8. The support base 2 A notch 25 is provided on the left side, and the water pump 9 is located in the notch 25. By utilizing the water pump 9, the coolant in the water tank 8 can be transported to the top of the cooling box 3 and enter the upper layer of the coolant from the two diversion pipes 13. The suction pipe 10 is fixedly installed at the suction end of the water pump 9, and the right end of the suction pipe 10 extends into the water tank 8. The drain pipe 11 is fixedly installed at the discharge end of the water pump 9, and the tee pipe 12 is fixedly installed at the end of the drain pipe 11 away from the water pump 9. The two diversion pipes 13 are respectively fixedly installed at the two connecting ends of the tee pipe 12, and the ends of the two diversion pipes 13 away from the tee pipe 12 both extend into the cooling box 3.

[0039] Specifically, a cooling groove 14 located between the two shunt pipes 13 is provided on the top of the cooling box 3, and a heat-conducting rod 21 is fixedly installed on the bottom inner wall of the cooling groove 14, and a plurality of evenly distributed heat-conducting blocks 22 are fixedly installed on the heat-conducting rod 21. The plurality of heat-conducting blocks 22 are fixedly connected to the annular inner wall of the cooling groove 14, and the top of the heat-conducting rod 21 extends to the top of the cooling box 3 and is fixedly installed with a heat sink 23, and a plurality of evenly distributed heat sinks 24 are fixedly installed on the top of the heat sink 23. By utilizing the heat sink 23 and the plurality of heat sinks 24 to increase the heat dissipation area, the cooling efficiency of the inner wall of the cooling groove 14 is improved, and then the coolant in the middle area of ​​the cooling coil 4 is cooled, and the cooling efficiency of the essential oil vapor is further improved.

[0040] Specifically, a horizontal shaft 27 is rotatably installed in the cooling box 3, and a plurality of leaves 28 distributed in a ring array are fixedly installed on the horizontal shaft 27. A rubber sheet 29 is fixedly installed on the side of the plurality of leaves 28 away from the horizontal shaft 27. The water flow when the coolant is injected into the cooling box 3 is used to flush the plurality of rubber sheets 29, thereby driving the plurality of rubber sheets 29 to rotate. During the rotation process, the cooling coil 4 is slapped. The vibration of the cooling coil 4 causes the oil droplets and water droplets formed by the condensation of the essential oil vapor to converge and become larger, and then flow out of the cooling box through the cooling coil.

[0041] In this embodiment, a control switch is installed on the cooling box 3, and the water pump 9, the semiconductor refrigeration plate 15, the first temperature sensor 16, the unloading solenoid valve 19, the second temperature sensor 20 and the control switch are electrically connected to the external power line through wires in sequence to form a loop. The control switch can control the start and stop of the water pump 9, the semiconductor refrigeration plate 15, the first temperature sensor 16, the unloading solenoid valve 19 and the second temperature sensor 20 respectively.

[0042] Through the above structure, the utility model provides a cooling device for extracting plant essential oils, which can extract the cooling liquid in the water tank 8 from the two branch pipes 13 to enter the cooling box 3 and the cooling coil 4 for heat exchange, and return the cooling liquid at the bottom of the cooling box 3 to the water tank 8, forming a circulating flow, reducing resource waste, and cooling the refluxed cooling liquid through the semiconductor refrigeration plate 15, thereby improving the recycling rate and cooling efficiency of the cooling liquid, and increasing the heat dissipation area by using the heat dissipation plate 23 and multiple heat sinks 24, thereby improving the cooling efficiency of the inner wall of the cooling groove 14, and then cooling the cooling liquid in the middle of the cooling coil 4. The cooling liquid is cooled to further improve the cooling efficiency of the essential oil vapor. The coolant can also be used to flush the coolant to drive multiple rubber sheets 29 to slap the cooling coil 4, causing the condensed oil droplets and water droplets to converge and become larger, making it easier to flow out of the cooling box 3. When in use, open the valve on the feed pipe 5 to pass the essential oil vapor into the cooling coil 4. The essential oil vapor exchanges heat with the coolant through the cooling coil 4. After being cooled, the essential oil vapor is liquefied into water droplets and discharged from the cooling box 3 through the discharge pipe 6 to enter the next separation process. As the essential oil vapor continues to enter the cooling coil, it can be detected by the second temperature sensor 20. It is known that the temperature of the coolant in the cooling box 3 gradually increases at this time, and the discharge solenoid valve 19 is opened to return the coolant in the cooling box 3 to the water tank 8, and the semiconductor refrigeration plate 15 is controlled to operate to cool the coolant in the water tank 8. The temperature of the coolant in the water tank 8 is timely grasped by the first temperature sensor 16, and the water pump 9 is controlled to operate. The water pump 9 extracts the cooled coolant and delivers it to the upper layer of the coolant through the two shunt pipes 13, thereby improving the cooling efficiency of the essential oil vapor. At the same time, the cooling groove 14 greatly increases the heat dissipation area through the heat dissipation plate 23 and multiple heat sinks 24, thereby improving the cooling efficiency. The cooling efficiency of the inner wall of the groove 14 is improved, and the coolant in the middle of the cooling coil 4 is cooled, so as to further improve the cooling efficiency of the essential oil vapor. When the coolant in the water tank 8 is drawn into the cooling box 3 by the water pump 9, the coolant injected by the right diversion pipe 13 will flush the multiple rubber sheets 29 and make them rotate. The multiple rubber sheets 29 will continuously slap the cooling coil 4 during the rotation process, and the cooling coil 4 will vibrate. The vibration of the cooling coil 4 causes the condensed oil droplets and water droplets to converge and become larger, which is convenient for flowing out of the cooling box 3, and reduces the probability of the condensed oil droplets and water droplets adhering to the inner wall of the cooling coil 4.

[0043] The above is a detailed introduction to the cooling device for extracting plant essential oils provided by the present invention. Specific embodiments are used herein to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is intended only to facilitate understanding of the method and core concept of the present invention. It should be noted that, for those skilled in the art, various improvements and modifications may be made to the present invention without departing from the principles of the present invention, and such improvements and modifications also fall within the scope of protection of the claims of the present invention.

Claims

1. A cooling device for extracting plant essential oils, characterized in that: The invention comprises a bottom plate (1), a support base (2) is fixedly installed on the top of the bottom plate (1), a cooling box (3) is fixedly installed on the top of the support base (2), a cooling coil (4) is fixedly installed in the cooling box (3), a feed pipe (5) is fixedly installed on the left side of the cooling box (3), the right end of the feed pipe (5) is fixedly connected to the input end of the cooling coil (4), a discharge pipe (6) is fixedly installed on the right side of the cooling box (3), the left end of the discharge pipe (6) is fixedly installed to the output end of the cooling coil (4), and a cooling device for cooling the essential oil vapor is provided on the cooling box (3).

2. A cooling device for extracting plant essential oils according to claim 1, characterized in that: The cooling device comprises a return pipe (7), a water tank (8), a water pump (9), a water suction pipe (10), a drain pipe (11), a tee pipe (12) and two diversion pipes (13). The bottom inner wall of the cooling box (3) is a conical structure. The return pipe (7) is fixedly mounted on the bottom of the cooling box (3). The water tank (8) is fixedly mounted on the top of the bottom plate (1). The bottom end of the return pipe (7) extends into the water tank (8). The water pump (9) is fixedly mounted on the top of the bottom plate (1) and is located on the left side of the water tank (8). The water suction pipe (10) is fixedly mounted on the suction end of the water pump (9), the right end of the water suction pipe (10) extends into the water tank (8), the drainage pipe (11) is fixedly mounted on the discharge end of the water pump (9), the three-way pipe (12) is fixedly mounted on the end of the drainage pipe (11) away from the water pump (9), the two diversion pipes (13) are respectively fixedly mounted on the two connecting ends of the three-way pipe (12), and the ends of the two diversion pipes (13) away from the three-way pipe (12) both extend into the cooling box (3).

3. A cooling device for extracting plant essential oils according to claim 2, characterized in that: The top of the cooling box (3) is provided with a cooling groove (14) located between the two shunt pipes (13), a heat conducting rod (21) is fixedly installed on the bottom inner wall of the cooling groove (14), a plurality of evenly distributed heat conducting blocks (22) are fixedly installed on the heat conducting rod (21), and the plurality of heat conducting blocks (22) are fixedly connected to the annular inner wall of the cooling groove (14), the top end of the heat conducting rod (21) extends to the top of the cooling box (3) and is fixedly installed with a heat dissipation plate (23), and the top of the heat dissipation plate (23) is fixedly installed with a plurality of evenly distributed heat dissipation fins (24).

4. A cooling device for extracting plant essential oils according to claim 2, characterized in that: A mounting opening is provided on the right side wall of the water tank (8), a semiconductor refrigeration plate (15) is embedded in the mounting opening, and a first temperature sensor (16) is fixedly mounted on the bottom inner wall of the water tank (8).

5. The cooling device for extracting plant essential oil according to claim 2, wherein: A water injection hole (17) is provided on the top of the water tank (8), and a rubber plug (18) is installed in the internal thread of the water injection hole (17).

6. The cooling device for extracting plant essential oil according to claim 2, characterized in that: A discharge solenoid valve (19) is fixedly mounted on the return pipe (7).

7. The cooling device for extracting plant essential oil according to claim 1, wherein: A second temperature sensor (20) is fixedly mounted on the inner wall of the bottom of the cooling box (3).

8. The cooling device for extracting plant essential oil according to claim 1, characterized in that: A transverse shaft (27) is rotatably mounted in the cooling box (3), and a plurality of leaf pieces (28) distributed in a ring array are fixedly mounted on the transverse shaft (27). A rubber sheet (29) is fixedly mounted on one side of the plurality of leaf pieces (28) away from the transverse shaft (27).

9. The cooling device for extracting plant essential oil according to claim 2, characterized in that: A notch (25) is provided on the left side of the support seat (2), and the water pump (9) is located in the notch (25).

10. The cooling device for extracting plant essential oil according to claim 1, characterized in that: Four self-locking universal wheels (26) symmetrically distributed in pairs are rotatably mounted on the top of the base plate (1).

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