CN115960675B - Traditional Chinese medicine volatile oil extraction device and control method - Google Patents
Traditional Chinese medicine volatile oil extraction device and control method Download PDFInfo
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- CN115960675B CN115960675B CN202310030382.1A CN202310030382A CN115960675B CN 115960675 B CN115960675 B CN 115960675B CN 202310030382 A CN202310030382 A CN 202310030382A CN 115960675 B CN115960675 B CN 115960675B
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Abstract
The invention discloses a device for extracting volatile oil from traditional Chinese medicine and a control method, and belongs to the technical field of traditional Chinese medicine production. The utility model provides a traditional chinese medicine volatile oil extraction device, including draw jar and the controller that links to each other with draw jar electricity, draw jar and have connected gradually duplex filter, rectifying column, condenser, cooler, cyclone, oil water separator and oil receiving tank through pipeline and valve, draw the jar outside and install the heating pipeline, be provided with the steam control valve on the heating pipeline, be provided with on the extraction jar with steam control valve matched with temperature sensor and be used for the jacket of heating, draw the jar and offer the charge door; the invention can improve the content of volatile oil in distillate, realize the separation of volatile oil and distilled water, and realize the automatic and accurate detection of an oil-water interface, thereby ensuring the quality of the volatile oil of the traditional Chinese medicine and solving the technical problem that the volatile oil is difficult to separate; meanwhile, the layering efficiency of the oil and water in the oil-water separator can be accelerated, and the production efficiency of the traditional Chinese medicine is further improved.
Description
Technical Field
The invention relates to the technical field of traditional Chinese medicine production, in particular to a traditional Chinese medicine volatile oil extraction device and a control method.
Background
The extraction of the volatile oil of the traditional Chinese medicine is an important process link in the production of Chinese patent medicines. Volatile oil is widely used in various traditional Chinese medicinal materials such as exterior-releasing drugs, qi-moving and blood-activating drugs, aromatic dampness-resolving drugs and the like. Steam distillation is a traditional method for extracting volatile oil, which comprises cutting medicinal materials properly, soaking in water, extracting volatile oil by steam distillation, condensing medicinal components into an oil collector by a condenser of extraction equipment, layering the condensed oil-water mixture in the oil collector, and separating the condensed water and volatile oil by manual or computer control. The separated volatile oil is taken as one of the raw materials of the product, the materials are added in the preparation link, and the preparation is granulated by adopting the volatile oil inclusion technology, and finally the Chinese patent medicine oral preparation is prepared.
The traditional Chinese medicine volatile oil extraction process and equipment mainly have the following defects: 1) The volatile oil and the water are separated by adopting a standing and density difference as a separation principle, and if the density difference between the volatile oil and the water is not large or a surface active functional group exists in the volatile oil, the conditions of volatile oil emulsification, unclear oil-water interface, excessively high water content of the separated volatile oil and the like are easily caused; 2) The detection of the oil-water separation interface depends on manual observation, the separation precision is insufficient, and the quality of the collected volatile oil is seriously affected; 3) The mixed steam containing water and volatile oil is condensed into liquid flow, the liquid flows down and directly drops on the liquid level of the oil-water separator, the uppermost layer of the liquid level of the oil-water separator is oil with smaller density, and the oil-water mixed liquid drops falling down after the floating oil is condensed continuously drop down and impact, so that serious emulsification phenomenon is caused, and the oil-water is separated by standing for a long time, so that the production efficiency of the traditional Chinese medicine is lower.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a device for extracting traditional Chinese medicine volatile oil and a control method.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a traditional chinese medicine volatile oil extraction element, includes and draws jar and the controller that links to each other with extraction tank electricity, draw the jar and have connected gradually duplex filter, rectifying column, condenser, cooler, cyclone, oil water separator and oil receiving tank through pipeline and valve, draw the jar outside and install heating pipeline, be provided with the steam control valve on the heating pipeline, be provided with on the extraction tank with steam control valve matched with temperature sensor and be used for the jacket of heating, the charge door has been seted up on the extraction tank, be provided with broken subassembly in the charge door, be provided with supplementary oil layer stabilizing mean in the oil water separator.
Preferably, the extracting tank is connected with the duplex filter through a pipeline and a first liquid outlet valve, an external circulating pump is connected with the extracting circulating valve, the external circulating pump is externally connected with a second liquid outlet valve, and the second liquid outlet valve is connected with a containing container through a pipeline.
Preferably, a first cooling water inlet valve is arranged on the cooler, a first cooling water return valve is arranged on the condenser, a cooling water pipeline is arranged between the condenser and the cooler, and the first cooling water inlet valve and the first cooling water return valve are externally connected with a cooling water system.
Preferably, the top and the bottom of oil-water separator are provided with first relief valve and water-oil separation drain valve respectively, still be provided with level sensor, second cooling water intaking valve and second cooling water return valve on the oil-water separator, second cooling water intaking valve and second cooling water return valve all link to each other with the cooling water system, install on-line refractometer on the water-oil separation drain valve lower extreme pipeline, the water-oil separation drain valve is connected with distilled water drain valve and receipts oil valve respectively through the tee bend takeover, the water-oil separation drain valve links to each other with the extraction tank through pipeline and distilled water drain valve, the water-oil separation drain valve links to each other with the oil receiving tank through receipts oil valve and pipeline, just install the second relief valve on the oil receiving tank.
Preferably, the auxiliary oil layer stabilizing mechanism comprises a plurality of baffles which are circumferentially uniformly distributed at the bottom of the oil-water separator, the baffles are propped against the inner wall of the oil-water separator, a plurality of baffles are arranged at one end of the inner wall of the oil-water separator in a crossing way, two adjacent baffles and the inner wall of the oil-water separator form an auxiliary cavity, the auxiliary oil layer stabilizing mechanism further comprises a support fixedly arranged on the oil-water separator, a first motor is arranged on the support, the output end of the first motor penetrates through the support and is connected with a first gear, a second gear meshed with the first gear is arranged on the oil-water separator, a guide pipe connected with the second gear is arranged at the middle part of the oil-water separator in a rotating way, the guide pipe is connected with the cyclone separator through a pipeline, a connecting hose is externally connected to the bottom of the guide pipe, and a drainage tube is arranged at one end of the guide pipe, which is far away from the guide pipe.
Preferably, the bottom of pipe is provided with electric telescopic handle, electric telescopic handle keeps away from the one end of pipe and links to each other with the baffle, the coating has waterproof grease proofing coating on the baffle.
Preferably, the electric telescopic rod is provided with the link, the one end that electric telescopic rod was kept away from to the link is connected with the lead screw, be provided with the rolling clockwork spring between lead screw and the link circumference, the rolling clockwork spring cover is established on the lead screw, lead screw outside threaded connection has the sleeve, the sleeve passes through the link plate and links to each other with the drainage tube, the top of lead screw is connected with driven gear, be provided with the gear circle of being connected with driven gear meshing on the oil water separator, still offered the vacancy that lacks the tooth on the gear circle.
Preferably, the drainage tube comprises a straight tube communicated with the connecting hose and a bent tube arranged at the lower part of the straight tube.
Preferably, the crushing assembly comprises a first rotating shaft and a second rotating shaft which are arranged at the feeding hole, a third gear and a fourth gear which are meshed with each other are arranged on the outer sides of the first rotating shaft and the second rotating shaft, crushing rollers are arranged on the outer sides of the first rotating shaft and the second rotating shaft, crushing teeth on the crushing rollers are distributed in a staggered mode, the crushing assembly further comprises a second motor arranged on the feeding hole, and the output end of the second motor penetrates through the feeding hole and is connected with the first rotating shaft.
The invention also discloses a control method of the traditional Chinese medicine volatile oil extraction device, which comprises the following steps:
s1, setting process parameters
Setting extraction temperature, heating time, heat preservation time and cooling water temperature on a controller;
s2, feeding
Adding Chinese medicinal materials and drinking water into the extraction tank from the feed inlet;
opening a steam regulating valve to heat the extraction tank, and regulating the opening of the steam regulating valve when the extraction tank is heated to the extraction temperature, so as to maintain the extraction temperature;
opening a first cooling water inlet valve, a second cooling water inlet valve, a first cooling water return valve and a second cooling water return valve to cool distilled steam;
opening a first liquid outlet valve, an external circulating pump and an extraction circulating valve, so that extracting solution sequentially passes through the first liquid outlet valve, the duplex filter, the external circulating pump and the extraction circulating valve and returns to the extraction tank, and external circulation in the extraction process is realized;
s3, extracting and separating volatile oil
1) In the extraction process, the volatile oil and the water azeotropic steam rise into a rectifying tower, are rectified in the rectifying tower, the components with low oil content and distilled water return into an extraction tank after being rectified, the components with high oil content enter a condenser to be condensed, enter a cooler to be cooled, are separated by a cyclone separator to be separated by a separation core, and finally enter an oil-water separator;
2) Standing the oil-water mixture in an oil-water separator for further separation, wherein the upper layer is the volatile oil and the lower layer is the water in the oil-water separator because the density of the volatile oil is lighter than that of the water;
3) When a liquid level sensor in the oil-water separator reaches a high liquid level to give an alarm, opening an oil-water separation liquid outlet valve, a first emptying valve and a distilled water liquid outlet valve, detecting the refractive index of flowing liquid in real time by an online refractometer on a pipeline in the liquid outlet process, and when the refractive index is detected to be more than 1.37-1.40, closing the distilled water liquid outlet valve, opening an oil collecting valve and a second emptying valve, and collecting volatile oil;
4) When a liquid level sensor in the oil-water separator reaches a low liquid level alarm, closing an oil-water separation liquid outlet valve, an oil collecting valve and a first emptying valve;
s4, ending the extraction link
Repeating the steps 1) -4) of the step S3 in the extraction process until the heat preservation time is reached;
after the heat preservation time is reached, opening an oil-water separation liquid outlet valve, a first emptying valve and a distilled water liquid outlet valve, in the liquid outlet process, detecting the refractive index of flowing liquid in real time by an online refractometer on a pipeline, when the refractive index is detected to be more than 1.37-1.40, closing the distilled water liquid outlet valve, opening an oil collecting valve and a second emptying valve, collecting volatile oil, and closing the oil-water separation liquid outlet valve, the first emptying valve and the oil collecting valve after the oil-water separator is emptied;
and closing the steam regulating valve, the first cooling water inlet valve, the second cooling water inlet valve, the first cooling water return valve, the second cooling water return valve and the extraction circulating valve, opening the second liquid outlet valve, transferring the extracting solution to other containers, and entering the next working section.
Compared with the prior art, the invention provides a traditional Chinese medicine volatile oil extraction device and a control method, which have the following beneficial effects:
1. the device and the control method for extracting the traditional Chinese medicine volatile oil can collect data of the sensor, control the start and stop frequency of the pump and control the opening and the opening of the valve through the electric connection among the controller, the sensor, the pump and the valve, realize the separation of the volatile oil and distilled water from three aspects of volatile oil distillation, volatile oil collection and volatile oil separation, improve the content of the volatile oil in distilled liquid, realize the separation of the volatile oil and the distilled water, realize the automatic and accurate detection of an oil-water interface, thereby ensuring the quality of the traditional Chinese medicine volatile oil and solving the technical problem that the volatile oil is difficult to separate.
2. According to the traditional Chinese medicine volatile oil extraction device and the control method, the auxiliary oil layer stabilizing mechanism is arranged in the oil-water separator, so that the drop of the oil-water mixture to the smashing and impacting of the floating oil surface can be reduced, the stability of the oil layer is kept, the emulsification phenomenon during the extraction of the volatile oil is greatly reduced, the oil-water is rapidly and effectively separated, the standing time is shortened, and the production efficiency of the traditional Chinese medicine is further improved.
3. According to the traditional Chinese medicine volatile oil extraction device and the control method, the crushing assembly is arranged at the feeding port to finish crushing treatment of traditional Chinese medicine, so that the precipitation rate of effective components in the traditional Chinese medicine is improved, the content of traditional Chinese medicine volatile oil in steam is improved, and the effect of improving the extraction rate of the traditional Chinese medicine volatile oil is achieved.
Drawings
FIG. 1 is a schematic diagram of a traditional Chinese medicine volatile oil extraction device;
FIG. 2 is a schematic diagram of the oil-water separator according to the present invention;
FIG. 3 is a schematic diagram of a separation structure of the oil-water separator of the present invention;
FIG. 4 is a partially enlarged schematic illustration of the structure of portion A of FIG. 3 in accordance with the present invention;
FIG. 5 is a schematic view of the structure of the separator of the present invention;
FIG. 6 is a schematic view of a part of the structure of the auxiliary reservoir stabilization mechanism of the present invention;
FIG. 7 is a schematic view of the external structure of the screw of the present invention;
FIG. 8 is a schematic cross-sectional view of a drainage tube of the present invention;
FIG. 9 is a schematic view of the gear rim of the present invention;
FIG. 10 is a schematic view of a crushing assembly according to the present invention;
fig. 11 is a schematic structural view of a crushing assembly according to the present invention.
In the figure: 1. an extraction tank; 11. a steam regulating valve; 12. a first liquid outlet valve; 13. a temperature sensor; 14. a feed inlet; 2. a duplex filter; 21. an external circulation pump; 22. an extraction circulation valve; 23. a second liquid outlet valve; 3. a rectifying tower; 4. a condenser; 41. a first cooling water return valve; 5. a cooler; 51. a first cooling water inlet valve; 6. a cyclone separator; 7. an oil-water separator; 71. a second cooling water inlet valve; 72. a second cooling water return valve; 73. a first vent valve; 74. a liquid level sensor; 75. an oil-water separation liquid outlet valve; 76. an on-line refractometer; 77. a distilled water outlet valve; 78. an oil receiving valve; 8. oil collection tank; 81. a second vent valve; 9. a controller; 100. a partition plate; 110. a bracket; 111. a first motor; 112. a first gear; 120. a conduit; 121. a second gear; 122. a connecting hose; 130. a drainage tube; 131. a straight pipe; 132. bending the pipe; 140. an electric telescopic rod; 150. winding a clockwork spring; 160. a connecting frame; 170. a screw rod; 171. a sleeve; 172. a driven gear; 180. a gear ring; 181. a hollow portion; 190. a second motor; 191. a first rotating shaft; 1911. a third gear; 192. a second rotating shaft; 1921. a fourth gear; 193. and a crushing roller.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Example 1:
referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 10 and fig. 11, a device for extracting volatile oil from traditional Chinese medicine comprises an extraction tank 1 and a controller 9 electrically connected with the extraction tank 1, wherein the extraction tank 1 is sequentially connected with a duplex filter 2, a rectifying tower 3, a condenser 4, a cooler 5, a cyclone separator 6, an oil-water separator 7 and an oil receiving tank 8 through pipelines and valves, a heating pipeline is arranged on the outer side of the extraction tank 1, a steam regulating valve 11 is arranged on the heating pipeline, a temperature sensor 13 matched with the steam regulating valve 11 and a jacket for heating are arranged on the extraction tank 1, a charging opening 14 is formed in the extraction tank 1, a crushing assembly is arranged in the charging opening 14, and an auxiliary oil layer stabilizing mechanism is arranged in the oil-water separator 7.
Specifically, the controller 9 is electrically connected with the sensor, the pump and the valve, data of the sensor can be acquired, start and stop of the pump and frequency of the pump are controlled, the valve is controlled to be opened and closed, opening and closing of the valve are controlled, traditional Chinese medicinal materials and drinking water are added into the extraction tank 1 from the feed inlet 14, crushing operation is carried out on the traditional Chinese medicinal materials by the crushing component, then the steam regulating valve 11 is opened to heat the extraction tank 1, when the steam regulating valve 11 is heated to an extraction temperature, opening of the steam regulating valve 11 is regulated, the extraction temperature is kept, volatile oil and water azeotropic steam rise into the rectifying tower 3, rectification is carried out in the rectifying tower 3, components with low oil content and distilled water return into the extraction tank 1 after rectification, components with high oil content enter the condenser 4 for condensation and enter the cooler 5 for cooling, and then enter the cyclone separator 6 for separation, finally the oil-water separator 7 is carried out, the device realizes three aspects of volatile oil and volatile oil separation from distillation, the volatile oil content in the distilled liquid can be improved, realization of the separation of the volatile oil and the distilled water is realized, automatic accurate detection of an oil-water interface is realized, thus the quality of the volatile oil is guaranteed, the difficult problem of volatile oil is solved, the problem of the volatile oil is solved, the stable production efficiency of the traditional Chinese medicine is improved, and the stable efficiency is improved in the oil-water separator 7 is arranged in the auxiliary separator 7, and the technology is further improved.
Example 2:
referring to fig. 1, a device for extracting volatile oil from traditional Chinese medicine is further based on embodiment 1, wherein an extracting tank 1 and a duplex filter 2 are connected with a first liquid outlet valve 12, an external circulation pump 21 and an extracting circulation valve 22 through pipelines, the external circulation pump 21 is externally connected with a second liquid outlet valve 23, and the second liquid outlet valve 23 is connected with a container through a pipeline.
Specifically, by opening the first liquid outlet valve 12, the external circulation pump 21 and the extraction circulation valve 22, the extracting solution sequentially passes through the first liquid outlet valve 12, the duplex filter 2, the external circulation pump 21 and the extraction circulation valve 22 and returns to the extraction tank 1, so that the external circulation of the extraction process is realized, when the extraction is finished, the extraction circulation valve 22 is closed, the second liquid outlet valve 23 is opened, the extracting solution is transferred to other containers, and the next working section is entered.
Example 3:
referring to fig. 1, a device for extracting volatile oil from traditional Chinese medicine is further provided, based on embodiment 1, with a first cooling water inlet valve 51 on the cooler 5, a first cooling water return valve 41 on the condenser 4, a cooling water pipeline between the condenser 4 and the cooler 5, and a cooling water system connected to the first cooling water inlet valve 51 and the first cooling water return valve 41.
Specifically, the cooling water passes through the cooling pipeline of the cooler 5 through the first cooling water inlet valve 51, then enters the condenser 4, finally returns to the cooling water system through the first cooling water return valve 41, and cools the vapor distilled by the condenser 4 and the cooler 5, so that the vapor is liquefied into an oil-water mixed liquid.
Example 4:
referring to fig. 1, a traditional Chinese medicine volatile oil extraction device is further provided, based on embodiment 3, with a first emptying valve 73 and an oil-water separation liquid valve 75 respectively arranged at the top and bottom of an oil-water separator 7, a liquid level sensor 74, a second cooling water inlet valve 71 and a second cooling water return valve 72 are further arranged on the oil-water separator 7, the second cooling water inlet valve 71 and the second cooling water return valve 72 are connected with a cooling water system, an on-line refractometer 76 is arranged on a pipeline at the lower end of the oil-water separation liquid valve 75, the oil-water separation liquid valve 75 is respectively connected with a distilled water liquid valve 77 and an oil receiving valve 78 through a three-way connecting pipe, the oil-water separation liquid valve 75 is connected with an extraction tank 1 through a pipeline and the distilled water liquid valve 77, the oil-water separation liquid valve 75 is connected with an oil receiving tank 8 through the oil receiving valve 78 and the pipeline, and the second emptying valve 81 is arranged on the oil receiving tank 8.
Specifically, the oil-water mixture is kept still in the oil-water separator 7 for further separation, because the density of the volatile oil is lighter than that of water, in the oil-water separator 7, the upper layer is the volatile oil, the lower layer is the water, when the liquid level sensor 74 in the oil-water separator 7 reaches the high liquid level alarm, the oil-water separation liquid outlet valve 75, the first emptying valve 73 and the distilled water liquid outlet valve 77 are opened, the refractive index of the flowing liquid is detected in real time by the on-line refractometer 76 on a pipeline in the liquid outlet process, when the refractive index is detected to be more than 1.37-1.40, the distilled water liquid outlet valve 77 is closed, the oil collecting valve 78 and the second emptying valve 81 are opened, the volatile oil is collected, and when the liquid level sensor 74 in the oil-water separator 7 reaches the low liquid level alarm, the oil-water separation liquid outlet valve 75, the oil collecting valve 78 and the first emptying valve 73 are closed.
Example 5:
referring to fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, a traditional Chinese medicine volatile oil extraction device, on the basis of embodiment 4, more further, the auxiliary oil layer stabilizing mechanism includes a plurality of baffles 100 which are evenly distributed at the bottom of the oil-water separator 7 in circumference, the baffles 100 are propped against the inner wall of the oil-water separator 7, one ends of the plurality of baffles 100 far away from the inner wall of the oil-water separator 7 are intersected, an auxiliary cavity is formed between two adjacent baffles 100 and the inner wall of the oil-water separator 7, the auxiliary oil layer stabilizing mechanism further includes a bracket 110 fixedly arranged on the oil-water separator 7, a first motor 111 is arranged on the bracket 110, the output end of the first motor 111 penetrates through the bracket 110 and is connected with a first gear 112, a second gear 121 which is meshed and connected with the first gear 112 is arranged on the oil-water separator 7, a guide pipe 120 connected with the second gear 121 is rotationally arranged in the middle of the oil-water separator 7, the guide pipe 120 is connected with the cyclone separator 6 through a pipeline, a connecting hose 122 is externally connected to the bottom of the guide pipe 120, and one end of the connecting hose 122 far away from the guide pipe 120 is provided with a drainage tube 130.
Specifically, when the oil-water mixed liquid enters the oil-water separator 7 from the cyclone separator 6, the mixed liquid sequentially enters the bottom of the oil-water separator 7 from the guide pipe 120, the connecting hose 122 and the drainage pipe 130, the bottom of the oil-water separator 7 is equally divided into a plurality of identical auxiliary cavities by the plurality of partition boards 100, the output end of the first motor 111 drives the first gear 112 to be meshed with the second gear 121 outside the guide pipe 120 by controlling the operation of the first motor 111, the second gear 121 drives the guide pipe 120 to rotate, the guide pipe 120 drives the drainage pipe 130 connected with the guide pipe to rotate, the mixed liquid falling from the bottom of the drainage pipe 130 sequentially falls into the plurality of auxiliary cavities, when the mixed liquid falls into the second auxiliary cavity, the mixed liquid falling into the first auxiliary cavity is in a standing state, oil and water are automatically layered, so that the upper layer is volatile oil, the lower layer is water, a liquid level sensor 74 is arranged on the upper side of the last auxiliary cavity, when the last auxiliary cavity is filled, the liquid level sensor 74 in the oil-water separator 7 reaches a high liquid level alarm, the former auxiliary cavities are basically oil and water layered, at the moment, only the standing is continued for a short time, the oil and water in the last auxiliary cavity are automatically layered, and an oil-water separation liquid outlet valve 75, a first emptying valve 73 and a distilled water liquid outlet valve 77 are opened to carry out liquid discharging; the device avoids the phenomenon that the mixed liquid entering the oil-water separator 7 continuously drops and impacts the upper layer of the liquid level of the oil-water separator 7, so that serious emulsification phenomenon occurs, the standing time can be shortened, the layering efficiency of the oil and water in the oil-water separator 7 is accelerated, and the efficiency of traditional Chinese medicine production is further improved.
Example 6:
referring to fig. 2, 3, 4, 5 and 6, a device for extracting volatile oil from traditional Chinese medicine is further provided, based on embodiment 5, with an electric telescopic rod 140 at the bottom of the conduit 120, wherein one end of the electric telescopic rod 140 far from the conduit 120 is connected with a partition board 100, and the partition board 100 is coated with a waterproof and oil-proof paint.
Specifically, when the mixed liquid falling from the drainage tube 130 fills the auxiliary cavities one by one, and the auxiliary cavities enter the liquid, the mixed liquid of the previous auxiliary cavity automatically stands for layering, after all the auxiliary cavities are filled, the oil-water layering in all the auxiliary cavities can be completed only by waiting for a small period of time for the last auxiliary cavity to stand, so as to avoid a certain height difference of the oil-water interface in the plurality of auxiliary cavities, the oil-water is still in a mixed state when the plurality of auxiliary cavities jointly discharge liquid, after all the auxiliary cavities complete the oil-water layering, the electric telescopic rod 140 is controlled to shrink, so that the electric telescopic rod 140 drives the partition plate 100 to move upwards, and at the moment, the plurality of auxiliary cavities are mutually communicated, and the liquid in the auxiliary cavities is not in a falling impact state, but is gently mixed at the oil-water interface, so that the upper side of the oil layer keeps a stable state in a large range, the emulsification phenomenon during volatile oil extraction is greatly reduced, the oil layering in the whole oil-water separator 7 can be continuously waited for a small period of time, and the quality and efficiency of the extraction of the volatile oil in the traditional Chinese medicine are ensured; and the waterproof and oil-proof paint is coated on the partition plate 100, so that water drops or oil drops are prevented from adhering to the outer side of the partition plate 100 when the partition plate moves upwards, and the oil and water are prevented from being staggered and excessively mixed.
Example 7:
referring to fig. 3, fig. 4, fig. 5, fig. 6, fig. 7 and fig. 9, based on embodiment 6, further, a connecting frame 160 is provided on the electric telescopic rod 140, one end of the connecting frame 160 far away from the electric telescopic rod 140 is connected with a screw rod 170, a winding spring 150 is provided between the screw rod 170 and the circumference of the connecting frame 160, the winding spring 150 is sleeved on the screw rod 170, a sleeve 171 is connected with the outside of the screw rod 170 in a threaded manner, the sleeve 171 is connected with the drainage tube 130 through a connecting plate, a driven gear 172 is connected with the top of the screw rod 170, a gear ring 180 meshed with the driven gear 172 is provided on the oil-water separator 7, and a gap 181 lacking teeth is further provided on the gear ring 180.
Specifically, the guide tube 120 drives the screw rod 170 to move through the connecting frame 160 when rotating, the screw rod 170 drives the driven gear 172 to move, the driven gear 172 is meshed with the gear ring 180 when moving, the driven gear 172 rotates when moving, and the sleeve 171 moves up and down on the outer side of the screw rod 170; the specific process is as follows: when the drainage tube 130 enters an auxiliary cavity, the drainage tube 130 is initially positioned at the lower side of the auxiliary cavity, the drainage tube 130 synchronously rotates in the auxiliary cavity along with the rotation of the guide tube 120, the liquid level in the auxiliary cavity continuously rises, in the process, the driven gear 172 is meshed with the gear ring 180 to enable the screw rod 170 to rotate, the sleeve 171 drives the drainage tube 130 to move upwards, the bottom of the drainage tube 130 and the liquid level of mixed liquid are always kept at a small fixed distance, the situation that the distance between the drainage tube 130 and the liquid level of mixed liquid is overlarge, the falling liquid causes larger impact on the mixed liquid, the situation that the mixed liquid falls in the auxiliary cavity along with the overmuch of the mixed liquid in the drainage tube 130, the phenomenon that the falling liquid at the drainage tube 130 is impacted on a water layer or an oil layer occurs, the oil-water layering is unstable, and when the drainage tube 130 moves out of the auxiliary cavity, the upper side of the partition plate 100 is convenient for entering the next auxiliary cavity, the driven gear 172 moves to the empty part 181 of the ring 180, the driven gear 172 is not in the meshed state any more, the screw rod 170 is automatically reset and twisted under the action of the rolling 150, the sleeve 171 drives the drainage tube 130 to automatically move to the bottom of the auxiliary gear ring to the auxiliary cavity, the auxiliary cavity is automatically placed in the auxiliary cavity, and the auxiliary cavity is in the state of being automatically kept still, and the state is in the state before the auxiliary cavity is in the state of layering.
Example 8:
referring to fig. 2 and 8, a device for extracting essential oil of a Chinese medicine, further on the basis of embodiment 7, the drainage tube 130 includes a straight tube 131 communicating with the connection hose 122 and a bent tube 132 provided at a lower portion of the straight tube 131.
Specifically, by arranging the bent pipe 132 at the bottom of the drainage pipe 130, the oil-water liquid falling from the straight pipe 131 is subjected to resistance at the end of the bent pipe 132, and then falls onto the liquid surface of the mixed liquid along the bent pipe 132, so that the mixed liquid or mixed liquid drops falling from the drainage pipe 130 are prevented from naturally falling under the action of gravity, and the falling mixed liquid/liquid drops directly impact the liquid surface of the mixed liquid greatly, thereby causing serious emulsification phenomenon.
Example 9:
referring to fig. 10 and 11, on the basis of embodiment 1, further, the crushing assembly includes a first rotating shaft 191 and a second rotating shaft 192 rotatably disposed at the feed inlet 14, a third gear 1911 and a fourth gear 1921 meshed with each other are disposed at the outer sides of the first rotating shaft 191 and the second rotating shaft 192, crushing rollers 193 are disposed at the outer sides of the first rotating shaft 191 and the second rotating shaft 192, crushing teeth on the two crushing rollers 193 are distributed in a staggered manner, and the crushing assembly further includes a second motor 190 disposed at the feed inlet 14, and an output end of the second motor 190 passes through the feed inlet 14 and is connected with the first rotating shaft 191.
Specifically, by controlling the second motor 190 to operate, the output end of the second motor 190 drives the first rotating shaft 191 to rotate, and when the first rotating shaft 191 rotates, the third gear 1911 is meshed with the fourth gear 1921 on the second rotating shaft 192, so that the first rotating shaft 191 and the second rotating shaft 192 relatively rotate, and further the two crushing rollers 193 relatively rotate, so that the traditional Chinese medicinal materials entering the feed inlet 14 are crushed, the precipitation rate of effective components in the traditional Chinese medicine is improved, the content of the traditional Chinese medicine volatile oil in steam is improved, and the effect of improving the extraction rate of the traditional Chinese medicine volatile oil is achieved.
The invention also discloses a control method of the traditional Chinese medicine volatile oil extraction device, which comprises the following steps:
s1, setting process parameters
Setting extraction temperature, heating time, heat preservation time and cooling water temperature on a controller 9;
s2, feeding
Adding Chinese medicinal materials and drinking water into the extraction tank 1 from a feed inlet 14;
opening a steam regulating valve 11 to heat the extraction tank 1, and regulating the opening of the steam regulating valve 11 to maintain the extraction temperature when the extraction tank is heated to the extraction temperature;
the first cooling water inlet valve 51, the second cooling water inlet valve 71, the first cooling water return valve 41 and the second cooling water return valve 72 are opened to cool the distilled steam;
the first liquid outlet valve 12, the external circulation pump 21 and the extraction circulation valve 22 are opened, so that the extracting solution sequentially passes through the first liquid outlet valve 12, the duplex filter 2, the external circulation pump 21 and the extraction circulation valve 22 and returns to the extraction tank 1, and external circulation of the extraction process is realized;
s3, extracting and separating volatile oil
1) In the extraction process, the volatile oil and water azeotropic steam rise into a rectifying tower 3, are rectified in the rectifying tower 3, the components with low oil content and distilled water return into an extraction tank 1 after being rectified, the components with high oil content enter a condenser 4 to be condensed, enter a cooler 5 to be cooled, are separated by a cyclone separator 6, and finally enter an oil-water separator 7;
2) Standing the oil-water mixture in an oil-water separator 7 for further separation, wherein the density of the volatile oil is lighter than that of water, and the upper layer is the volatile oil and the lower layer is the water in the oil-water separator 7;
3) When a liquid level sensor 74 in the oil-water separator 7 reaches a high liquid level alarm, an oil-water separation liquid outlet valve 75, a first emptying valve 73 and a distilled water liquid outlet valve 77 are opened, an online refractometer 76 on a pipeline detects the refractive index of flowing liquid in real time in the liquid outlet process, when the refractive index is detected to be more than 1.37-1.40, the distilled water liquid outlet valve 77 is closed, an oil collecting valve 78 and a second emptying valve 81 are opened, and volatile oil is collected;
4) When the liquid level sensor 74 in the oil-water separator 7 reaches a low liquid level alarm, the oil-water separation liquid outlet valve 75, the oil collecting valve 78 and the first emptying valve 73 are closed;
s4, ending the extraction link
Repeating the steps 1) -4) of the step S3 in the extraction process until the heat preservation time is reached;
after the heat preservation time is reached, opening an oil-water separation liquid outlet valve 75, a first emptying valve 73 and a distilled water liquid outlet valve 77, in the liquid outlet process, detecting the refractive index of flowing liquid in real time by an online refractometer 76 on a pipeline, closing the distilled water liquid outlet valve 77 when detecting that the refractive index is more than 1.37-1.40, opening an oil collecting valve 78 and a second emptying valve 81, collecting volatile oil, and closing the oil-water separation liquid outlet valve 75, the first emptying valve 73 and the oil collecting valve 78 after the oil-water separator 7 is emptied;
the steam regulating valve 11, the first cooling water inlet valve 51, the second cooling water inlet valve 71, the first cooling water return valve 41, the second cooling water return valve 72 and the extraction circulation valve 22 are closed, the second liquid outlet valve 23 is opened, and the extraction liquid is transferred to other containers and enters the next working section.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (5)
1. The utility model provides a traditional chinese medicine volatile oil extraction device, includes extraction tank (1) and with extraction tank (1) electrically connected's controller (9), its characterized in that, extraction tank (1) is connected with duplex filter (2), rectifying column (3), condenser (4), cooler (5), cyclone (6), oil water separator (7) and receipts oil tank (8) through pipeline and valve, extraction tank (1) installs the heating pipeline in the outside, be provided with steam regulating valve (11) on the heating pipeline, be provided with on extraction tank (1) with steam regulating valve (11) matched with temperature sensor (13) and be used for the jacket of heating, feed inlet (14) have been seted up on extraction tank (1), be provided with crushing component in feed inlet (14), be provided with auxiliary oil layer stabilizing mean in oil water separator (7);
the top and the bottom of the oil-water separator (7) are respectively provided with a first emptying valve (73) and an oil-water separation liquid outlet valve (75), the oil-water separator (7) is also provided with a liquid level sensor (74), a second cooling water inlet valve (71) and a second cooling water return valve (72), the second cooling water inlet valve (71) and the second cooling water return valve (72) are connected with a cooling water system, an on-line refractometer (76) is arranged on a pipeline at the lower end of the oil-water separation liquid outlet valve (75), the oil-water separation liquid outlet valve (75) is respectively connected with a distilled water liquid outlet valve (77) and a receiving oil valve (78) through a tee joint pipe, the oil-water separation liquid outlet valve (75) is connected with an extraction tank (1) through a pipeline and the distilled water liquid outlet valve (77), the oil-water separation liquid outlet valve (75) is connected with a receiving tank (8) through the receiving oil valve (78) and the pipeline, and the second emptying valve (81) is arranged on the receiving tank (8);
the auxiliary oil layer stabilizing mechanism comprises a plurality of partition boards (100) which are uniformly distributed at the bottom of the oil-water separator (7) in circumference, wherein the partition boards (100) are propped against the inner wall of the oil-water separator (7), a plurality of partition boards (100) are arranged at one end of the inner wall of the oil-water separator (7) far away from in an intersecting way, two adjacent partition boards (100) and the inner wall of the oil-water separator (7) form an auxiliary cavity, the auxiliary oil layer stabilizing mechanism further comprises a support (110) fixedly arranged on the oil-water separator (7), a first motor (111) is arranged on the support (110), the output end of the first motor (111) penetrates through the support (110) and is connected with a first gear (112), a second gear (121) which is meshed and connected with the first gear (112) is arranged on the oil-water separator (7), a guide pipe (120) connected with the second gear (121) is arranged at the middle part of the oil-water separator (7) in a rotating way, the guide pipe (120) is connected with the cyclone separator (6) through a pipeline, a connecting hose (122) is arranged at the bottom of the guide pipe (120), and one end of the guide pipe (122) is far away from the drain pipe (130);
the bottom of the guide pipe (120) is provided with an electric telescopic rod (140), one end, far away from the guide pipe (120), of the electric telescopic rod (140) is connected with a partition board (100), and the partition board (100) is coated with waterproof and oil-proof paint;
the novel oil-water separator is characterized in that a connecting frame (160) is arranged on the electric telescopic rod (140), one end, far away from the electric telescopic rod (140), of the connecting frame (160) is connected with a screw rod (170), a winding spring (150) is arranged between the screw rod (170) and the circumference of the connecting frame (160), the winding spring (150) is sleeved on the screw rod (170), a sleeve (171) is connected with the outer side of the screw rod (170) in a threaded manner, the sleeve (171) is connected with a drainage tube (130) through a connecting plate, a driven gear (172) is connected to the top of the screw rod (170), a gear ring (180) meshed with the driven gear (172) is arranged on the oil-water separator (7), and a gap (181) lacking teeth is formed in the gear ring (180);
the drainage tube (130) comprises a straight tube (131) communicated with the connecting hose (122), and a bending tube (132) arranged at the lower part of the straight tube (131).
2. The device for extracting the volatile oil from the traditional Chinese medicine according to claim 1, wherein the extracting tank (1) is connected with the duplex filter (2) through a pipeline and a first liquid outlet valve (12), an external circulating pump (21) and an extracting circulating valve (22), the external circulating pump (21) is externally connected with a second liquid outlet valve (23), and the second liquid outlet valve (23) is connected with a containing container through a pipeline.
3. The traditional Chinese medicine volatile oil extraction device according to claim 2, wherein a first cooling water inlet valve (51) is arranged on the cooler (5), a first cooling water return valve (41) is arranged on the condenser (4), a cooling water pipeline is arranged between the condenser (4) and the cooler (5), and the first cooling water inlet valve (51) and the first cooling water return valve (41) are externally connected with a cooling water system.
4. A device for extracting volatile oil from traditional Chinese medicine according to claim 3, wherein the crushing assembly comprises a first rotating shaft (191) and a second rotating shaft (192) which are rotatably arranged at the feeding hole (14), a third gear (1911) and a fourth gear (1921) which are meshed with each other are arranged on the outer sides of the first rotating shaft (191) and the second rotating shaft (192), crushing rollers (193) are arranged on the outer sides of the first rotating shaft (191) and the second rotating shaft (192), crushing teeth on the two crushing rollers (193) are distributed in a staggered mode, the crushing assembly further comprises a second motor (190) arranged on the feeding hole (14), and the output end of the second motor (190) penetrates through the feeding hole (14) and is connected with the first rotating shaft (191).
5. A method of controlling a device for extracting essential oils from chinese medicine as claimed in claim 4, further comprising the steps of:
s1, setting process parameters
Setting extraction temperature, heating time, heat preservation time and cooling water temperature on a controller (9);
s2, feeding
Adding Chinese medicinal materials and drinking water into the extraction tank (1) from a feed inlet (14);
opening a steam regulating valve (11) to heat the extraction tank (1), and when the extraction tank is heated to the extraction temperature, regulating the opening of the steam regulating valve (11) to maintain the extraction temperature;
opening a first cooling water inlet valve (51), a second cooling water inlet valve (71), a first cooling water return valve (41) and a second cooling water return valve (72) to cool distilled steam;
the first liquid outlet valve (12), the external circulation pump (21) and the extraction circulation valve (22) are opened, so that the extracting solution sequentially passes through the first liquid outlet valve (12), the duplex filter (2), the external circulation pump (21) and the extraction circulation valve (22) to return to the extraction tank (1), and external circulation in the extraction process is realized;
s3, extracting and separating volatile oil
1) In the extraction process, volatile oil and water azeotropic steam rise into a rectifying tower (3), are rectified in the rectifying tower (3), components with low oil content and distilled water return into an extraction tank (1) after being rectified, and components with high oil content enter a condenser (4) to be condensed, enter a cooler (5) to be cooled, are centrifugally separated through a cyclone separator (6), and finally enter an oil-water separator (7);
2) Standing the oil-water mixture in an oil-water separator (7) for further separation, wherein the density of the volatile oil is lighter than that of water, and the upper layer is the volatile oil and the lower layer is water in the oil-water separator (7);
3) When a liquid level sensor (74) in the oil-water separator (7) reaches a high liquid level to give an alarm, an oil-water separation liquid outlet valve (75), a first emptying valve (73) and a distilled water liquid outlet valve (77) are opened, an online refractometer (76) on a pipeline detects the refractive index of flowing through liquid in real time in the liquid outlet process, and when the refractive index is detected to be more than 1.37-1.40, the distilled water liquid outlet valve (77) is closed, an oil collecting valve (78) and a second emptying valve (81) are opened, and volatile oil is collected;
4) When a liquid level sensor (74) in the oil-water separator (7) reaches a low liquid level alarm, the oil-water separation liquid outlet valve (75), the oil collecting valve (78) and the first emptying valve (73) are closed;
s4, ending the extraction link
Repeating the steps 1) -4) of the step S3 in the extraction process until the heat preservation time is reached;
after the heat preservation time is reached, an oil-water separation liquid outlet valve (75), a first emptying valve (73) and a distilled water liquid outlet valve (77) are opened, an online refractometer (76) on a pipeline detects the refractive index of flowing through liquid in real time in the liquid outlet process, when the refractive index is detected to be more than 1.37-1.40, the distilled water liquid outlet valve (77) is closed, an oil collecting valve (78) and a second emptying valve (81) are opened, volatile oil is collected, and after the oil-water separator (7) is emptied, the oil-water separation liquid outlet valve (75), the first emptying valve (73) and the oil collecting valve (78) are closed;
the steam regulating valve (11), the first cooling water inlet valve (51), the second cooling water inlet valve (71), the first cooling water return valve (41), the second cooling water return valve (72) and the extraction circulation valve (22) are closed, the second liquid outlet valve (23) is opened, and the extracting solution is transferred to other containers and enters the next working section.
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| CN202310030382.1A CN115960675B (en) | 2023-01-10 | 2023-01-10 | Traditional Chinese medicine volatile oil extraction device and control method |
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| CN202310030382.1A CN115960675B (en) | 2023-01-10 | 2023-01-10 | Traditional Chinese medicine volatile oil extraction device and control method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1997545A2 (en) * | 2007-05-28 | 2008-12-03 | Hitachi Plant Technologies, Ltd. | Controlling condensation in combination with evaporation |
| CN203833913U (en) * | 2014-04-07 | 2014-09-17 | 鲁南制药集团股份有限公司 | High-efficiency traditional Chinese medicine material volatile oil extraction device |
| CN208762474U (en) * | 2018-08-21 | 2019-04-19 | 陕西必康制药集团控股有限公司 | Chinese medicine extract oily-water seperating equipment and traditional medicine volatile oil extract equipment |
| CN209522618U (en) * | 2018-12-18 | 2019-10-22 | 宁夏睿源石油化工有限公司 | A kind of grease phase separation tank |
| CN214830211U (en) * | 2021-05-25 | 2021-11-23 | 河南省食品药品检验所 | Device for extracting volatile oil for traditional Chinese medicine inspection |
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2023
- 2023-01-10 CN CN202310030382.1A patent/CN115960675B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1997545A2 (en) * | 2007-05-28 | 2008-12-03 | Hitachi Plant Technologies, Ltd. | Controlling condensation in combination with evaporation |
| CN203833913U (en) * | 2014-04-07 | 2014-09-17 | 鲁南制药集团股份有限公司 | High-efficiency traditional Chinese medicine material volatile oil extraction device |
| CN208762474U (en) * | 2018-08-21 | 2019-04-19 | 陕西必康制药集团控股有限公司 | Chinese medicine extract oily-water seperating equipment and traditional medicine volatile oil extract equipment |
| CN209522618U (en) * | 2018-12-18 | 2019-10-22 | 宁夏睿源石油化工有限公司 | A kind of grease phase separation tank |
| CN214830211U (en) * | 2021-05-25 | 2021-11-23 | 河南省食品药品检验所 | Device for extracting volatile oil for traditional Chinese medicine inspection |
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