CN220495599U

CN220495599U - Liquid medicine vacuum concentration extraction device

Info

Publication number: CN220495599U
Application number: CN202321990006.9U
Authority: CN
Inventors: 周孙俊; 周桂芳; 陈伟; 庞邦省; 许盼; 鲍远全
Original assignee: Shanghai Zhenrentang Pharmaceutical Co ltd
Current assignee: Shanghai Zhenrentang Pharmaceutical Co ltd
Priority date: 2023-07-26
Filing date: 2023-07-26
Publication date: 2024-02-20
Anticipated expiration: 2033-07-26

Abstract

The utility model relates to an extraction element field specifically discloses a concentrated extraction element of liquid medicine vacuum, and it includes liquid medicine jar, steam conduit, condensing tower and water storage tank, steam conduit connects in liquid medicine jar top, and communicates with liquid medicine jar inner chamber, be equipped with the bin gate on the liquid medicine jar, the water storage tank is along vertical through connection in steam conduit keeps away from liquid medicine jar one end, the condensing tower cover is located on the steam conduit outer wall of water storage tank top, water storage tank one side is equipped with the negative pressure pump, the extraction opening and the water storage tank inner chamber intercommunication of negative pressure pump. The application has the effect of improving the concentration efficiency of the liquid medicine.

Description

Liquid medicine vacuum concentration extraction device

Technical Field

The application relates to the field of extraction devices, in particular to a liquid medicine vacuum concentration extraction device.

Background

The Chinese medicine is used in preventing, treating and diagnosing diseases and has the functions of rehabilitation and health care under the guidance of Chinese medicine theory. The Chinese medicine mainly comes from natural medicines and processed products thereof, including plant medicines, animal medicines, mineral medicines and partial chemical and biological product medicines, wherein the plant medicines are used in most cases. In actual production, the initially obtained liquid medicine is usually concentrated, and the concentrated traditional Chinese medicine has the advantages of reduced volume, convenient package and carrying and enhanced curative effect. At present, the concentration of the liquid medicine is generally carried out by heating and extracting through a jacketed kettle, and the conventional heating mode is that the direct heating temperature is higher, so that the conventional heating of some medicinal materials containing thermosensitive components is easy to destroy the internal structure of the medicinal materials to influence the effective components of the medicinal materials.

To this, propose a concentrated extraction element of liquid medicine negative pressure among the related art, it includes the liquid medicine jar, the negative pressure pump, condensation tank and holding vessel, the liquid medicine jar passes through steam pipeline intercommunication with the condensation tank, the condensation tank is kept away from steam pipeline one end and is linked together with the holding vessel, negative pressure pump and liquid medicine jar inner chamber intercommunication, the work of drive negative pressure pump forms the negative pressure state in with the liquid medicine jar, the boiling point of liquid medicine has been reduced, the high temperature heating has been avoided influencing the traditional chinese medicine nature, the condensation tank condenses the vapor of evaporation into liquid water, the holding vessel is collected the water of condensation tank.

With the related art in the above, the boiling point of water can be reduced to a certain extent by the arrangement of the negative pressure pump, so that the liquid medicine can be subjected to water evaporation in a low-temperature environment, but the internal pressure of the concentration tank can be raised due to a large amount of water vapor under the sealing condition, the negative pressure environment in the concentration tank is destroyed, so that the effect of reducing the boiling point of the liquid medicine is lost, the evaporation efficiency of the liquid medicine is affected, and the concentration efficiency is reduced.

Disclosure of Invention

In order to improve the concentration efficiency of liquid medicine, the application provides a liquid medicine vacuum concentration extraction device.

The application provides a liquid medicine vacuum concentration extraction element adopts following technical scheme:

the utility model provides a concentrated extraction element in liquid medicine vacuum, includes liquid medicine jar, steam conduit, condensing tower and water storage tank, steam conduit connects in liquid medicine jar top, and communicates with liquid medicine jar inner chamber, be equipped with the bin gate on the liquid medicine jar, the water storage tank is kept away from liquid medicine jar one end along vertical through connection in steam conduit, the condensing tower cover is located on the steam conduit outer wall of water storage tank top, water storage tank one side is equipped with the negative pressure pump, the extraction opening and the water storage tank inner chamber intercommunication of negative pressure pump.

Through adopting above-mentioned technical scheme, when using, put into the liquid medicine jar through the bin gate earlier to close the bin gate, then start the negative pressure pump and take out the air in with mutual through-connection's liquid medicine jar, steam conduit and the water storage jar, form confined negative pressure environment, then heat the liquid medicine jar low temperature, liquid medicine boiling point reduces under the negative pressure state, the evaporation of water in the liquid medicine becomes vapor, and the continuous work of negative pressure pump is taken out vapor this moment, and vapor is condensed into water and enters into in the water storage jar when the condensing tower. The arrangement of the negative pressure pump structure and the position enables the closed space of the liquid medicine tank, the steam pipeline and the water storage tank to continuously maintain a negative pressure state, so that the water in the liquid medicine can be rapidly evaporated in low-temperature heating, and the concentration efficiency is improved. And the negative pressure pump can enable the evaporated vapor in the liquid medicine to flow rapidly towards the direction of the condensing tower, so that the condensing speed of the vapor is accelerated, and the condensing efficiency is improved. The bin gate is also convenient for cleaning the inside of the liquid medicine tank.

Optionally, the steam heating interlayer is arranged on the peripheral wall of the lower part of the liquid medicine tank in a surrounding way, a closed heating space is formed between the steam heating interlayer and the peripheral wall of the liquid medicine tank, an air inlet and an air outlet are formed in the steam heating interlayer, and the air inlet is used for being communicated with a steam generator.

Through adopting above-mentioned technical scheme, when using, in steam generator produced lets in the heating space through the air inlet, lets out from the gas outlet again, and the steam of circulation income heats the liquid medicine in the liquid medicine jar through the heat conduction, and the liquid medicine is heated more evenly, and then improves the evaporation efficiency of liquid medicine. Meanwhile, compared with the traditional heating mode, the steam heating temperature is controllable, more energy-saving and environment-friendly, and meets the requirements of environmental protection in modern production.

Optionally, the steam heating device further comprises a controller and an electromagnetic valve which are electrically connected, wherein one interface of the electromagnetic valve is in through connection with the air inlet on the steam heating interlayer, and the other interface of the electromagnetic valve is used for being communicated with an external steam generator.

Through adopting above-mentioned technical scheme, the setting of controller and solenoid valve makes when heating the liquid medicine jar, and the controller is through the steam volume and the temperature of steam of control battery valve regulation heating steam, and whole heating process degree of automation is high, improves steam heating's efficiency and security.

Optionally, liquid medicine jar one side is connected with the inlet pipe, inlet pipe and liquid medicine jar inner chamber intercommunication, liquid medicine jar bottom is connected with the discharging pipe, discharging pipe and liquid medicine jar inner chamber intercommunication, all be equipped with the ooff valve on inlet pipe and the discharging pipe.

Through adopting above-mentioned technical scheme, when earlier stage negative pressure pump carries out the evacuation negative pressure operation to the liquid medicine jar, with discharging pipe and the liquid medicine contact of waiting to concentrate, in the liquid medicine jar was inhaled the liquid medicine voluntarily to the function that the usable negative pressure pump was taken, the automatic material of getting of liquid medicine was realized in the setting of discharging pipe collocation negative pressure pump, design benefit, convenient to use. The arrangement of the discharging pipe is convenient for taking out the concentrated liquid medicine.

Optionally, the liquid medicine tank top is equipped with the rotation motor along vertical, the rotation shaft of rotation motor stretches into liquid medicine tank inner chamber bottom, be equipped with stirring vane on the axis of rotation motor.

Through adopting above-mentioned technical scheme, the setting of rotating motor and stirring vane can stir the liquid medicine of placing in the liquid medicine jar to accelerate the evaporation of moisture in the liquid medicine, improve concentration efficiency.

Optionally, the steam pipe is the U type of handstand, steam pipe one end and liquid medicine tank top intercommunication, steam pipe second end and water storage tank top intercommunication, steam pipe horizontal section middle part is connected with the gas-water separator vertically, the gas-water separator bottom is equipped with the drain pipe along vertical, be equipped with the valve on the drain pipe.

Through adopting above-mentioned technical scheme, the setting of gas-water separator makes the moisture that suspends in the vapor of evaporation in the liquid medicine jar can be separated, discharges in the drain pipe, improves the condensation efficiency of moisture in the vapor, and then improves the concentrated efficiency of liquid medicine.

Optionally, a return pipe is connected to the drain pipe in a penetrating manner, the tail end of the return pipe is communicated with the liquid medicine tank, and a water stop valve is arranged on the return pipe.

By adopting the technical scheme, the arrangement of the reflux pipe enables the water which is separated from the gas-water separator and doped with the liquid medicine to reflux into the liquid medicine tank, so that the waste of liquid medicine components is avoided.

Optionally, the condensing tower includes the condensation pipe box, the internal diameter of condensation pipe box and steam conduit external diameter adaptation, be equipped with annular cavity between the inner wall of condensation pipe box and the outer wall, water inlet and delivery port have been seted up on the condensation pipe box periphery wall, water inlet and delivery port all communicate with annular cavity, the water inlet is located the bottom, the delivery port is located the top.

Through adopting above-mentioned technical scheme, when using, in the water inlet through condenser pipe box bottom lets in flowing cold water to annular cavity, cold water flows out from the delivery port at condenser pipe box top again, and circulating flowing cold water brings the heat of the vapor that lets in steam pipe to the condensate water falls into the water storage tank and stores. The cooperation of the condensation pipe sleeve, the annular cavity, the water inlet and the water outlet enables water vapor in the steam pipeline passing through the condensation pipe sleeve to be rapidly condensed, and the condensation efficiency is improved; the position of the water inlet and the water outlet is set to enable cooling water to form a state of entering from bottom to top, the flow speed of the cooling water is reduced, more heat can be taken away by the circulating cooling water, and the condensation efficiency is improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the negative pressure pump is arranged to enable the liquid medicine tank, the steam pipeline and the water storage tank to be in a negative pressure state, so that the boiling point of liquid medicine in the liquid medicine tank is reduced, low-temperature heating is facilitated, moisture in the liquid medicine can be quickly evaporated, and the concentration efficiency is improved; and the negative pressure pump continuously pumps air in the liquid medicine evaporation stage, so that the flow of water vapor is accelerated, the water vapor rapidly flows towards the direction of the condensing tower, the condensation rate of the water vapor is accelerated, and the liquid medicine concentration efficiency is further improved.

2. The heating interlayer is arranged, so that the liquid medicine tank can be heated rapidly by introducing hot steam, the liquid medicine is heated more uniformly, and the evaporation efficiency of the liquid medicine is improved; and compared with the traditional heating mode, the steam heating is more energy-saving and environment-friendly.

3. The setting of rotating motor and stirring vane makes the liquid medicine in the liquid medicine jar can be stirred, accelerates the evaporation of being heated of liquid medicine to improve liquid medicine concentration efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic overall structure of an embodiment of the present application;

fig. 2 is a schematic cross-sectional view of an embodiment of the present application.

Reference numerals: 1. a liquid medicine tank; 11 bin gates; 111. a transparent viewing window; 12. a feed pipe; 13. a discharge pipe; 14. a switch valve; 15. a rotating motor; 151. stirring blades; 16. a pressure gauge; 17. a mounting base; 2. a steam pipe; 21. a gas-water separator; 22. a drain pipe; 221. a valve; 222 return pipe; 2221. a water stop valve; 223. a water conduit; 23. a transparent viewing tube; 3. a condensing tower; 31. a condensing tube sleeve; 311. an annular cavity; 312. a water inlet; 313. a water outlet; 4. a water storage tank; 5. a negative pressure pump; 6. steam heating the interlayer; 61. heating the space; 62. an air inlet; 63. an air outlet; 64. a water pipe; 642. a water delivery valve; 7. a controller; 8. an electromagnetic valve; 9. a frame body; 91. self-locking universal wheel.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-2.

The embodiment of the application discloses a liquid medicine vacuum concentration and extraction device. Referring to fig. 1, the vacuum concentration and extraction device for liquid medicine comprises a frame body 9 with a self-locking universal wheel 91 at the bottom, a liquid medicine tank 1, a water storage tank 4 and a negative pressure pump 5 which are arranged on the frame body 9, wherein the liquid medicine tank 1 and the water storage tank 4 are respectively arranged at the left end and the right end of the frame body 9. The top of the liquid medicine tank 1 is provided with a pressure gauge 16, the peripheral wall of the middle part of the liquid medicine tank 1 is provided with a bin gate 11, the peripheral wall of the bottom of the liquid medicine tank 1 is provided with a heating mechanism, the top of the liquid medicine tank 1 is communicated with the top of the water storage tank 4 through a steam pipeline 2, the whole steam pipeline 2 is arranged in an inverted U shape, and the outer surface of the vertical section of the steam pipeline 2 above the water storage tank 4 is sleeved with a condensing tower 3; the negative pressure pump 5 adopts a water ring pump, the negative pressure pump 5 is arranged on one side of the water storage tank 4, and the extraction opening of the negative pressure pump 5 is communicated with the inner cavity of the water storage tank 4. When the liquid medicine collecting device is used, firstly, the bin gate 11 is opened to place liquid medicine into the liquid medicine tank 1, the negative pressure pump 5 is started after the bin gate 11 is closed, the negative pressure pump 5 works to form a negative pressure state in a closed space formed by the liquid medicine tank 1, the steam pipeline 2 and the water storage tank 4, then the heating mechanism is started to heat the liquid medicine in the liquid medicine tank 1, and water vapor formed after the liquid medicine is heated and boiled flows towards the direction of the condensing tower 3 under the continuous air suction effect of the negative pressure pump 5, and the water vapor is condensed into liquid water through the condensing tower 3 and flows into the water storage tank 4 to be collected. The negative pressure pump 5 can form negative pressure in the liquid medicine tank 1, so that the boiling point of liquid medicine is reduced, and the liquid medicine can be heated at low temperature; on the other hand, the vapor evaporated in the liquid medicine can flow towards the condensing tower 3 rapidly, so that the condensing efficiency of the vapor is accelerated, and the phenomenon that the internal pressure of the liquid medicine tank 1 rises and the negative pressure state is damaged due to the fact that the vapor evaporated in the liquid medicine is avoided.

Further, a feed pipe 12 is welded on the side wall of the liquid medicine tank 1, the feed pipe 12 is communicated with the inner cavity of the liquid medicine tank 1, and a switch valve 14 is arranged on the feed pipe 12. When the negative pressure pump 5 is started to vacuumize, the bin gate 11 is not required to be opened to place liquid medicine, the on-off valve 14 on the feed pipe 12 is only required to be opened, then the feed pipe 12 is communicated with the liquid medicine to be concentrated, the liquid medicine to be concentrated is automatically sucked into the liquid medicine tank 1 under the action of the negative pressure in the liquid medicine tank 1, and the liquid medicine feeding mode is simple and rapid, and is time-saving and labor-saving. In order to facilitate observation of the state of the liquid medicine in the liquid medicine tank 1, a transparent observation window 111 is provided on the bin gate 11. In addition, a discharging pipe 13 is welded on the bottom wall of the liquid medicine tank 1, the discharging pipe 13 is communicated with the inner cavity of the liquid medicine tank 1, and a switch valve 14 is also arranged on the discharging pipe 13. When the concentrated liquid medicine is taken out, the switch valve 14 on the discharging pipe 13 is only required to be opened, and then the discharged liquid medicine is taken out and stored.

Referring to fig. 2, the heating mechanism includes a steam heating interlayer 6, a controller 7 and an electromagnetic valve 8, the controller 7 is fixedly installed on one side of the frame 9 far away from the liquid medicine tank 1, the electromagnetic valve 8 is fixedly installed on one side of the frame 9 near the liquid medicine tank 1, the steam heating interlayer 6 is annularly arranged on the peripheral wall of the lower part of the liquid medicine tank 1 and welded with the peripheral wall of the liquid medicine tank 1, the steam heating interlayer 6 and the peripheral wall of the liquid medicine tank 1 form a closed heating space 61, an air inlet 62 and an air outlet 63 are formed in the steam heating interlayer 6, the air inlet 62 is communicated with one interface of the electromagnetic valve 8 through a hose, the other interface of the electromagnetic valve 8 is communicated with a steam generator, and the controller 7 is electrically connected with the electromagnetic valve 8. When the steam heater is used, the steam generator sends out heating steam, and the heating steam is led into the heating space 61 through the air inlet 62 after passing through the electromagnetic valve 8, so that the liquid medicine in the liquid medicine tank 1 is heated, the controller 7 sends out a signal to the electromagnetic valve 8, and the flow rate of the steam and the temperature of the heating steam are adjusted, so that the steam heating efficiency and effect are improved. Compared with the traditional heating mode, steam heating is more energy-saving and environment-friendly, and the heating effect is more controllable through the arrangement of the controller 7 and the electromagnetic valve 8, so that the heating efficiency is improved. In addition, a water delivery pipe 64 is welded on the bottom wall of the steam heating interlayer 6, the inner cavity of the water delivery pipe 64 is communicated with the heating space 61, a water delivery valve 642 is arranged on the water delivery pipe 64, and the water delivery pipe 64 is used for discharging water condensed by heating steam in the heating space 61.

Further, in order to promote the heating effect of liquid medicine for the evaporation of liquid medicine is equipped with rabbling mechanism on the liquid medicine jar 1 top, and rabbling mechanism is including rotating motor 15 and stirring vane 151, and mount pad 17 is vertically installed at liquid medicine jar 1 top, and rotating motor 15 is along vertical bolt at the mount pad 17 top, and the axis of rotation of rotating motor 15 passes the bottom that mount pad 17 stretched into liquid medicine jar 1 inner chamber, and stirring vane 151 bolt is at rotating motor 15's axis of rotation end. When the liquid medicine is heated, the rotary motor 15 is started to drive the stirring blade 151 to stir the liquid medicine in the liquid medicine tank 1, so that the liquid medicine is heated more uniformly, the evaporation efficiency of water in the liquid medicine is improved, and the concentration efficiency of the liquid medicine is improved.

Further, in order to accelerate the treatment of the vapor evaporated in the liquid medicine, the middle part of the transverse section of the vapor pipeline 2 is vertically connected with two vapor-water separators 21, the two vapor-water separators 21 are both connected with the transverse section of the vapor pipeline 2 through flanges, when the vapor passes through the two vapor-water separators 21, the suspended liquid drops in the vapor are intercepted and collected by the vapor-water separators 21 and are gathered at the bottom of the vapor-water separators 21, and the gas in the vapor enters the part of the condensing tower 3 through the vapor-water separators 21 and is cooled by the condensing tower 3 to flow into the water storage tank 4. The bottoms of the two gas-water separators 21 are connected with drain pipes 22, one ends of the two drain pipes 22 far away from the gas-water separators 21 are mutually communicated, a water guide pipe 223 is vertically and downwards connected in a penetrating mode in the middle of the whole body formed by connecting the two drain pipes 22, a valve 221 is arranged on the water guide pipe 223, and water intercepted by the gas-water separators 21 is discharged by opening the valve 221. The drain pipe 22 is connected to a return pipe 222, one end of the return pipe 222 is connected to the drain pipe 22, the other end is connected to the liquid medicine tank 1, and is communicated with the inner cavity of the liquid medicine tank 1, and a water stop valve 2221 is provided in the return pipe 222. Since the liquid separated by the gas-water separator 21 is inevitably doped with the chemical liquid component, the liquid is directly discharged through the water guide pipe 223 with the probability of wasting the chemical liquid, and the return pipe 222 is provided to enable the liquid separated by the gas-water separator 21 to return into the chemical liquid tank 1. In order to facilitate observation of the amount of liquid collected in the gas-water separator 21, a transparent observation tube 23 is further connected between the gas-water separator 21 and the drain tube 22, the upper end of the transparent observation tube 23 is in through connection with the bottom of the gas-water separator 21, and the lower end of the transparent observation tube 23 is in through connection with the top of the drain tube 22. In other embodiments, the gas-water separator 21 may be provided only singly or in more than two according to practical situations, so long as the effect of better achieving the steam-water separation of the water vapor flowing out of the liquid medicine tank 1 is satisfied.

The condensing tower 3 comprises a condensing pipe sleeve 31, the inner diameter of the condensing pipe sleeve 31 is matched with the outer diameter of the steam pipeline 2, the condensing pipe sleeve 31 is sleeved on the outer wall of the steam pipeline 2, an annular cavity 311 is arranged between the inner wall and the outer wall of the condensing pipe sleeve 31, namely, the condensing pipe sleeve 31 is arranged in a hollow mode, a water inlet 312 and a water outlet 313 are arranged on the peripheral wall of the condensing pipe sleeve 31 at intervals along the height direction of the condensing pipe sleeve 31, the water inlet 312 and the water outlet 313 are communicated with the annular cavity 311, the water inlet 312 is located at the bottom of the condensing pipe sleeve 31, and the water outlet 313 is located at the top of the condensing pipe sleeve 31. When in use, condensate is introduced from the water inlet 312 at the bottom of the condensation pipe sleeve 31, is discharged from the water outlet 313 after filling the annular cavity 311, and the circularly flowing condensate exchanges heat with the water vapor in the steam pipe 2, so that the water vapor in the steam pipe 2 is condensed into water and flows into the water storage tank 4.

The implementation principle of the liquid medicine vacuum concentration and extraction device in the embodiment of the application is as follows: when the liquid medicine storage device is used, firstly, the bin gate 11 is opened to put liquid medicine into the liquid medicine tank 1, then, the bin gate 11 is closed, the negative pressure pump 5 is started, the negative pressure pump 5 works to form a negative pressure state in the liquid medicine tank 1, the boiling point of the liquid medicine in the liquid medicine tank 1 is reduced, then, the steam generator is started to lead heating steam into the heating space 61 formed by the steam heating interlayer 6 and the peripheral wall of the liquid medicine tank 1, so that the liquid medicine can be heated and boiled uniformly, water vapor in the liquid medicine is evaporated, then, the water vapor flows towards the direction of the condensing tower 3 under the action of the negative pressure pump 5, and is condensed into water after passing through the positions of the gas-water separator 21 and the condensing tower 3 in sequence, and flows into the water storage tank 4 to be stored.

Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The terms "first," "second," "third," and the like in the description and in the claims, are not used for any order, quantity, or importance, but are used for distinguishing between different elements. The terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprising" or "comprises", and the like, is intended to mean that elements or items that are present in front of "comprising" or "comprising" are included in the word "comprising" or "comprising", and equivalents thereof, without excluding other elements or items. "upper", "lower", "left", "right", etc. are used merely to denote relative positional relationships, which may also change accordingly when the absolute position of the object to be described changes.

The foregoing are all optional embodiments of the present application, and are not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a concentrated extraction element in liquid medicine vacuum, includes liquid medicine jar (1), steam conduit (2), condensing tower (3) and water storage tank (4), its characterized in that: the utility model discloses a liquid medicine tank, including liquid medicine tank (1), steam pipe (2) are connected at liquid medicine tank (1) top, and with liquid medicine tank (1) inner chamber intercommunication, be equipped with door (11) on liquid medicine tank (1), liquid medicine tank (1) one end is kept away from in steam pipe (2) along vertical through connection to water storage tank (4), on steam pipe (2) outer wall above water storage tank (4) are located to condensing tower (3) cover, water storage tank (4) one side is equipped with negative pressure pump (5), the extraction opening and the inner chamber intercommunication of water storage tank (4) of negative pressure pump (5).

2. The device for vacuum concentration and extraction of medical fluid according to claim 1, wherein: the steam heating interlayer (6) is arranged on the peripheral wall of the lower part of the liquid medicine tank (1), a closed heating space (61) is formed between the steam heating interlayer (6) and the peripheral wall of the liquid medicine tank (1), an air inlet (62) and an air outlet (63) are formed in the steam heating interlayer (6), and the air inlet (62) is used for being communicated with a steam generator.

3. The device for vacuum concentration and extraction of medical fluid according to claim 2, wherein: the steam heating device further comprises a controller (7) and an electromagnetic valve (8), wherein the controller is electrically connected, one interface of the electromagnetic valve (8) is in through connection with an air inlet (62) on the steam heating interlayer (6), and the other interface of the electromagnetic valve (8) is used for being communicated with an external steam generator.

4. The device for vacuum concentration and extraction of medical fluid according to claim 1, wherein: the liquid medicine tank is characterized in that a feeding pipe (12) is connected to one side of the liquid medicine tank (1), the feeding pipe (12) is communicated with the inner cavity of the liquid medicine tank (1), a discharging pipe (13) is connected to the bottom of the liquid medicine tank (1), the discharging pipe (13) is communicated with the inner cavity of the liquid medicine tank (1), and a switching valve (14) is arranged on each of the feeding pipe (12) and the discharging pipe (13).

5. The device for vacuum concentration and extraction of medical fluid according to claim 1, wherein: the liquid medicine tank is characterized in that a rotating motor (15) is vertically arranged at the top of the liquid medicine tank (1), a rotating shaft of the rotating motor (15) extends into the bottom of an inner cavity of the liquid medicine tank (1), and stirring blades (151) are arranged on a rotating shaft of the rotating motor (15).

6. The device for vacuum concentration and extraction of medical fluid according to claim 1, wherein: the steam pipeline (2) is of an inverted U shape, one end of the steam pipeline (2) is communicated with the top of the liquid medicine tank (1), the second end of the steam pipeline (2) is communicated with the top of the water storage tank (4), the middle of the transverse section of the steam pipeline (2) is vertically connected with a gas-water separator (21), the bottom of the gas-water separator (21) is vertically provided with a drain pipe (22), and the drain pipe (22) is provided with a valve (221).

7. The apparatus according to claim 6, wherein: the drain pipe (22) is connected with a return pipe (222) in a penetrating way, the tail end of the return pipe (222) is communicated with the liquid medicine tank (1), and the return pipe (222) is provided with a water stop valve (2221).

8. The device for vacuum concentration and extraction of medical fluid according to claim 1, wherein: the condensing tower (3) comprises a condensing pipe sleeve (31), the inner diameter of the condensing pipe sleeve (31) is matched with the outer diameter of the steam pipeline (2), an annular cavity (311) is formed between the inner wall and the outer wall of the condensing pipe sleeve (31), a water inlet (312) and a water outlet (313) are formed in the peripheral wall of the condensing pipe sleeve (31), the water inlet (312) and the water outlet (313) are communicated with the annular cavity (311), the water inlet (312) is located at the bottom, and the water outlet (313) is located at the top.