CN110897892B

CN110897892B - Stirring type traditional Chinese medicine decocting system

Info

Publication number: CN110897892B
Application number: CN202010029677.3A
Authority: CN
Inventors: 蔡永潮
Original assignee: Zhejiang Houdar Intelligent Technology Co Ltd; Hangzhou Yiyin Health Technology Co Ltd
Current assignee: Zhejiang Houdar Intelligent Technology Co Ltd
Priority date: 2020-01-13
Filing date: 2020-01-13
Publication date: 2021-07-30
Anticipated expiration: 2040-01-13
Also published as: CN110897892A

Abstract

The invention relates to a stirring type traditional Chinese medicine decocting system which comprises a decocting tank, a traditional Chinese medicine conveying pipeline, a liquid medicine circulating pump and a steam circulating pump, wherein the decocting tank is provided with a first liquid medicine outlet, a second liquid medicine outlet which is butted with the traditional Chinese medicine conveying pipeline and a plurality of liquid medicine inlet holes which are positioned on the side wall of the decocting tank, the top of the decocting tank is provided with the steam outlet hole, a heating pipe with vertical upper and lower end openings is arranged in a decocting cavity, the inlet end of the steam circulating pump is butted with the steam outlet hole, the outlet end of the steam circulating pump is connected with a steam input pipe which extends into the vertical heating pipe, the inlet end of the liquid medicine circulating pump is butted with the first liquid medicine outlet hole, the outlet end of the liquid medicine circulating pump is simultaneously connected with all liquid medicine inlet holes, the stirring tank is circular, and the direction of the inlet direction line of the liquid medicine inlet holes is vertical to the radial direction of the decocting tank. The invention has the advantages of high heat utilization rate and high decoction efficiency, and solves the problem of low heat utilization rate and low decoction efficiency of the traditional decoction system.

Description

Stirring type traditional Chinese medicine decocting system

Technical Field

The invention relates to traditional Chinese medicine production equipment, in particular to a stirring type traditional Chinese medicine decocting system.

Background

The automatic production of traditional Chinese medicine decoction is completed through a decoction system, the decoction system is used for decocting the traditional Chinese medicine through a decoction tank, then a liquid outlet is arranged at the tail end of a traditional Chinese medicine infusion pipeline, and the traditional Chinese medicine is filled into a traditional Chinese medicine bottle through the liquid outlet. The traditional Chinese medicine pipeline is used for conveying medicines in an equal diameter mode, when the fall of the traditional Chinese medicine liquid conveying is large, the kinetic energy of the traditional Chinese medicine is large when the traditional Chinese medicine is output, so that the output mode is easy to generate a splashing phenomenon; the existing decocting pot is performed in a static mode during decocting, so that the decocting efficiency is low, and the existing decocting pot is heated by arranging an electric heating pipe at the bottom or on the side wall during heating, so that the heat utilization rate is low.

Disclosure of Invention

The invention aims to provide a stirring type traditional Chinese medicine decocting system with high heat utilization rate and high decocting efficiency, and solves the problem that the existing decocting system is low in heat utilization rate and low in decocting efficiency.

The second objective of the present invention is to further provide a stirring type traditional Chinese medicine decocting system capable of reducing the output kinetic energy during the transportation of traditional Chinese medicine solution, which solves the problem of large kinetic energy during the outflow of traditional Chinese medicine during the high-fall transportation of the traditional Chinese medicine transportation pipeline.

The technical problem is solved by the following technical scheme: the utility model provides a stirring formula traditional chinese medicine system of decocting medicinal herbs, includes the jar of decocting medicinal herbs, traditional chinese medicine pipeline, liquid medicine circulating pump and steam circulating pump, the inside of the jar of decocting medicinal herbs is kept apart out liquid medicine storage chamber and the chamber of decocting medicinal herbs through the filter, the liquid medicine storage chamber is equipped with first liquid medicine and is porously with the second liquid medicine that traditional chinese medicine conveyer pipe dock together, the upper end of the chamber of decocting medicinal herbs is equipped with the charge door, the lower extreme is equipped with the row's cinder hole of taking the cinder hole lid, it still is equipped with a plurality of liquid medicine inlet holes that distribute along the upper and lower direction that are located on the lateral wall of the jar of decocting medicinal herbs to decoct the intracavity, the top of the jar of decocting medicinal herbs is equipped with steam outlet, the intracavity of decocting medicinal herbs is equipped with vertical upper and lower end open-ended heating pipe, the entrance point of steam circulating pump with the steam outlet hole dock together, the exit end is connected with stretch into the steam input pipe in the vertical heating pipe, the entrance point of liquid medicine circulating pump with first liquid medicine outlet hole dock together, The outlet end is connected with all the liquid medicine inlet holes simultaneously, the stirring tank is circular, and the direction of the inlet direction line of the liquid medicine inlet holes is vertical to the radial direction of the decoction tank. During decoction, the liquid medicine in the liquid medicine storage cavity flows out of the first liquid medicine outlet hole through the liquid medicine circulating pump and then flows back into the decoction cavity from the liquid medicine inlet hole to form liquid medicine circulation, and the liquid medicine in the decoction cavity generates horizontal rotary flow to generate horizontal and transverse rotational flow stirring effect through the circulation; steam in the decocting pot is output from the steam outlet hole and pressurized by the steam circulating pump and then is input into liquid medicine in the heating pipe through the steam input pipe, so that pressure difference between the inside and the outside of the heating pipe is caused, air flow drives materials in the heating pipe to vertically flow upwards in the heating pipe, liquid outside the heating pipe flows downwards between the periphery of the heating pipe and the pipe wall of the decocting pot, and strong vertical mixed flow of the materials in the decocting cavity is driven to achieve the vertical stirring effect of internal circulation. Thereby playing the role of improving the medicine decocting efficiency. The stirring mode is driven by hydraulic force and pneumatic force in a closed circulation mode, and the components in the decocting pot cannot be changed. The medicine decocting pot is heated by the heating pipe, and the heating pipe is immersed by the liquid medicine in a surrounding way, so that the heat utilization rate is high.

Preferably, the heating pipe is made for the heat conduction material and forms, be equipped with along the fluid passage of heating pipe circumference spiral rising in the heating pipe, fluid passage's one end is equipped with the heating fluid admission pipe that stretches into the outside of decocting medicinal herbs jar, and the other end is equipped with the heating fluid outflow pipe that stretches into the outside of decocting medicinal herbs jar. When the boiling pot is used, steam flows into the fluid channel from the heating fluid inlet pipe and flows out from the heating fluid outlet pipe, so that the heating in the boiling pot is realized. The steam heating device is convenient to be connected with a steam net in a grid mode and utilizes steam for heating.

Preferably, the heating tube is suspended within the decocting vessel by the heating fluid inlet tube and the heating fluid outlet tube. The process is simple and compact.

Preferably, the steam input pipe is sleeved with a floating plate capable of floating on liquid medicine in the medicine decocting cavity, the floating plate is arranged above the medicine decocting cavity to isolate a steam gathering cavity, the floating plate is provided with a plurality of evaporation holes which penetrate through the floating plate along the vertical direction, the floating plate is provided with a sleeve which is arranged below the floating plate and sleeved on the steam input pipe, a gas distribution cavity is formed between the sleeve and the steam input pipe, the steam input pipe is provided with a plurality of communication holes which are communicated with the gas distribution cavity and the steam input pipe, the floating plate is internally provided with a gas distribution channel communicated with the gas distribution cavity, and the gas distribution channel is provided with a plurality of gas nozzles which are opened towards the steam gathering cavity. In the medicine decocting process, liquid is evaporated through the evaporation holes to generate steam and simultaneously generate foam, and the output of the reflowing steam from the air nozzle can play a role in blowing the foam to break so as to realize defoaming.

Preferably, the air nozzle protrudes upward from the floating plate. The air nozzle can be prevented from being blocked.

Preferably, the outer peripheral surface of the air nozzle is a tapered surface having a small upper end and a large lower end. The medicine residue can be more reliably prevented from abutting on the side of the air nozzle to cause blockage.

Preferably, the filter plate is obliquely arranged, and the slag discharge holes are connected with the lowest point of the filter plate. Can more conveniently discharge the medicine dregs.

Preferably, the traditional Chinese medicine conveying pipeline comprises a transverse pipe and a plurality of vertical pipes which are sequentially arranged from top to bottom; between adjacent vertical pipes, the inner diameter of the upper vertical pipe is larger than the outer diameter of the lower vertical pipe, the lower end of the upper vertical pipe is sleeved on the upper end of the lower vertical pipe, and a slow flow ring groove extending along the circumferential direction of the vertical pipe is formed between the lower end of the upper vertical pipe and the upper end of the lower vertical pipe; the upper end of the vertical pipe above the second level is sleeved with a water retaining cover, a liquid outlet gap is formed between the water retaining cover and the vertical pipe above the second level, one end of the transverse pipe is connected with the vertical pipe above the uppermost level, and the other end of the transverse pipe is connected with the second liquid medicine outlet hole in a butt joint mode. When this technical scheme exports traditional chinese medicine liquid medicine, traditional chinese medicine solution for the indirect drop, discharges after overflowing layer upon layer through the slow flow annular groove to kinetic energy when can reducing traditional chinese medicine solution outflow infusion pipeline, be difficult to produce when making the liquid medicine drop and splash. Set up the manger plate cover, can avoid traditional chinese medicine solution to get into the standpipe that is located inferior top with the mode that directly falls to reduce the splashproof and go out the effect. But also can carry out convenient return air through the single tube and is not easy to generate the blocking phenomenon. The second object of the invention is achieved.

Preferably, the upper end of the riser positioned at the uppermost part is provided with a large-diameter section, the upper end of the large-diameter section is provided with a flow guide cover with an opening area gradually increased from top to bottom, and the top end of the flow guide cover is provided with a scum outlet. The scum floating up can be generated in the large-diameter section when the traditional Chinese medicine solution reaches the large-diameter section, and the scum is discharged from the scum outlet. The arrangement of the air guide sleeve ensures that the scum quantity can be reliably discharged when being small.

Preferably, a scum discharging chute is arranged on the upper surface of the flow guide cover, and the scum outlet is communicated with the scum discharging chute. The scum from the scum outlet can be conveniently transferred away.

Preferably, a scum scraping mechanism which is used for scraping scum discharged from a scum outlet into the scum discharging chute is arranged in the scum discharging chute, the scum scraping mechanism comprises a driving roller, a driven roller, a power mechanism which drives the driving roller to rotate, an annular belt which is driven by the driving roller and the driven roller in a matching manner and rotates, and a plurality of scum scraping slats which are connected to the annular belt and distributed along the extending direction of the annular belt, wherein the annular belt is positioned right above the scum outlet. Can push away the dross that the dross export was popped out in the dross goes out the slag chute to prevent to extrude too high and influence the sediment effect on the dross export.

Preferably, the upper end face of the scum outlet is an inclined surface inclined towards the scum discharging chute, and the plane defined by the axis of the driving roller and the axis of the driven roller is parallel to the upper end face of the scum outlet. When the opening area of the scum outlet is small, a small scum scraping mechanism can be conveniently arranged.

Preferably, a tapered surface transition is formed between an inner surface of the large-diameter section and an inner circumferential surface of the side wall of the annular relief groove located uppermost. The sediment in the traditional Chinese medicine solution can conveniently enter the slow flow ring groove.

Preferably, the water retaining cover is connected with an air return main pipe, the lower end of the air return main pipe extends into the upper end of the next upper vertical pipe, and the upper end of the air return main pipe is provided with a plurality of air return branch pipes extending out of the uppermost vertical pipe. Can improve the smoothness of the traditional Chinese medicine solution when flowing down.

Preferably, one end of the horizontal pipe extends into the vertical pipe positioned at the uppermost position and is positioned right above the water retaining cover. Can prevent the entering traditional Chinese medicine from directly impacting the slow flow ring groove easily to cause the turn-up of sediment.

Preferably, the inner surface of the bottom wall of the slow flow ring groove is a conical surface with a small upper end and a large lower end, a sediment outlet communicated with the lowest point of the bottom wall of the slow flow ring groove is formed in the outer side wall of the slow flow ring groove, a plug for sealing the sediment outlet is arranged in the sediment outlet, and the plug and the sediment outlet are matched, sealed and abutted together. When in use, the sediment is discharged through the sediment outlet by pulling out the plug. This technical scheme can discharge the sediment comparatively thoroughly. Poor sealing caused by abrasion can be compensated by adjusting the insertion depth after the plug is abraded.

The plug fixing structure comprises a pressing block pressed on the outer end of the plug, a fixing bolt and a pulling plate connected to the pressing block, a threaded blind hole is formed in the outer surface of the bottom wall of the slow flow ring groove, a waist hole extending along the distribution direction of the pressing block and the plug is formed in the pressing block, and the fixing bolt penetrates through the waist hole and is connected in the threaded blind hole in a threaded mode to fix the pulling plate on the lower surface of the bottom wall of the overflow groove. The plug is convenient to fix and take down. The plug can be pressed to the plug after being worn, so that the plug can be reliably sealed.

The invention has the following advantages: the invention realizes the complete mixing of horizontal and longitudinal (vertical) materials during the decoction, can achieve the vertical upward flow in the heater of the decoction pot, the vertical downward flow outside the heater, and the radial violent flow of the upper surface of the materials in the decoction pot from the center of the pot to the peripheral surface, and can bring the floating particles into the liquid of the decoction pot again, thereby having high decoction efficiency and good effect.

Compared with the traditional mechanical stirring mode, the stirring mode of the invention has the advantages that the liquid medicine reflux circulation and pneumatic stirring mode can greatly improve the uniformity of materials and can reduce the faults caused by mechanical faults. The traditional mechanical stirring is easy to cause the problem of excessive scum retention on the surface.

The traditional medicine decocting pot is heated by generally adopting a mode of indirectly heating by arranging a coil pipe on the wall of the medicine decocting pot, and the vertical gas stirring structure is combined, and the vertical heating pipe is arranged for heating, so that the stirring and heating are integrated, the investment and the occupied area are saved, and the heating efficiency is improved.

When the traditional Chinese medicine solution is conveyed at a high fall, the traditional Chinese medicine solution descends in an overflow mode in the falling process, and the phenomenon of splashing can be effectively prevented.

Drawings

Fig. 1 is a schematic diagram of a first embodiment.

Fig. 2 is a partially enlarged schematic view of fig. 1.

Fig. 3 is a schematic view of the traditional Chinese medicine delivery pipeline in the second embodiment.

Fig. 4 is a partially enlarged schematic view of a portion a of fig. 3.

In the figure: a decoction pot 1, a traditional Chinese medicine conveying pipe 2, a liquid medicine circulating pump 3, a steam circulating pump 5, a filter plate 6, a liquid medicine storage cavity 7, a transverse pipe 8, a vertical pipe 9, a slow flow ring groove 10, a bottom wall 11 of the slow flow ring groove, an outer side wall 12 of the slow flow ring groove, an inner side wall 13 of the slow flow ring groove, an inner surface 14 of the bottom wall of the slow flow ring groove, a sediment outlet 15, a plug 16, a pressing block 17, a fixing bolt 18, a pulling plate 19, a threaded blind hole 20, a waist hole 21, a water retaining cover 22, a liquid outlet gap 23, a vertical pipe 28, a large-diameter section 24, a deflector 25, a scum outlet 26, a slow flow ring groove 27 positioned at the top, a vertical pipe 28 positioned at the top, a vertical pipe 29 positioned at the next top, a return air main pipe 30, a return air branch pipe 31, a scum chute 32, a driving roller 33, a driven roller 34, an annular belt 35, a scum scraping plate strip 36, an upper end surface 37 of the scum outlet, a vertical pipe 38 positioned at the bottom, a decoction cavity 39, a decoction cavity, The device comprises a vertical pipe 40, a first liquid medicine outlet 41, a second liquid medicine outlet 42, a feeding hole cover 43, a feeding hole 44, a slag discharge hole cover 45, a slag discharge hole 46, a liquid medicine inlet 47, a steam outlet 48, a heating pipe 49, a fluid channel 50, a heating fluid inlet pipe 51, a heating fluid outlet pipe 52, a steam input pipe 53, a floating plate 54, a steam converging cavity 55, an evaporation hole 56, a sleeve 57, a gas distribution cavity 58, a communication hole 59, a gas distribution channel 60, a gas nozzle 61 and a liquid outlet valve 62.

Detailed Description

The invention is further described with reference to the following figures and examples.

In the first embodiment, referring to fig. 1 and 2, the stirring type traditional Chinese medicine decocting system includes a decocting tank 1, a traditional Chinese medicine delivery pipe 2, a liquid medicine circulating pump 3 and a steam circulating pump 5. The interior of the decoction pot is separated from the liquid medicine storage cavity 7 and the decoction cavity 39 by the filter plate 6. The traditional Chinese medicine conveying pipe 2 comprises a transverse pipe 8 and a vertical pipe 40 connected to one end of the transverse pipe. The transverse pipe is provided with a liquid outlet valve 62. The filter plate sets up in the slope. The medical fluid storage chamber is provided with a first medical fluid outlet port 41 and a second medical fluid outlet port 42 butted together with the other end of the cross tube. The upper end of the decoction cavity is provided with a feeding hole 44 provided with a feeding hole cover 43, and the lower end is provided with a slag discharge hole 46 provided with a slag discharge hole cover 45. The slag discharge hole is connected with the lowest point of the filter plate. The medicine decocting cavity is also provided with a plurality of medicine liquid inlet holes 47 which are distributed along the vertical direction and are positioned on the side wall of the medicine decocting pot. The top of the decoction pot is provided with a steam outlet 48. A heating pipe 49 with vertical upper and lower end openings is arranged in the medicine decocting cavity. The heating pipe is made of heat conducting material. The heating pipe is provided with a fluid passage 50 spirally rising along the circumferential direction of the heating pipe. One end of the fluid passage is provided with a heating fluid inlet pipe 51 extending to the outside of the decocting pot, and the other end is provided with a heating fluid outlet pipe 52 extending to the outside of the decocting pot. When the medicine decocting pot is used, steam is input through the heating fluid inlet pipe, flows out of the heating fluid outlet pipe after flowing through the fluid channel, and accordingly heating of objects in the medicine decocting pot is achieved. The heating pipe is suspended in the decocting pot through a heating fluid inlet pipe and a heating fluid outlet pipe. The inlet end of the steam circulating pump is butted with the steam outlet, and the outlet end is connected with a steam input pipe 53 extending into the vertical heating pipe. The inlet end of the liquid medicine circulating pump is connected with the first liquid medicine outlet hole in a butt joint mode, and the outlet end of the liquid medicine circulating pump is connected with all the liquid medicine inlet holes simultaneously. The stirring tank is round. The direction of the inlet direction line of the liquid medicine inlet hole is vertical to the radial direction of the medicine decocting pot. When the medicine decocting pot is used, steam generated by the steam circulating pump is pumped out and then is input into the heating pipe, so that vertical circulation flow of materials in the heating pipe, which rises and falls outside, is generated. When the liquid medicine circulates, the liquid medicine is drawn out of the decocting pot and then is conveyed back to the decocting pot, so that the materials in the decocting cavity generate backflow in the horizontal direction. The steam input pipe is sleeved with a floating plate 54 which can float on the liquid medicine in the medicine decocting cavity. The floating plate isolates a steam convergence cavity 55 above the medicine decocting cavity. The floating plate is provided with a plurality of evaporation holes 56 which penetrate through the floating plate along the vertical direction. The floating plate is provided with a sleeve 57 which is positioned below the floating plate and is sleeved on the steam input pipe. An air distribution chamber 58 is formed between the sleeve and the steam inlet pipe. The steam input pipe is provided with a plurality of communicating holes 59 which are communicated with the air distribution chamber and the inside of the steam input pipe. An air distribution channel 60 communicated with the air distribution cavity is arranged in the floating plate. The gas distribution channel is provided with a plurality of gas nozzles 61 which open towards the steam convergence cavity. The air nozzle protrudes upwards from the floating plate. The outer peripheral surface of the air nozzle is a conical surface with a small upper end and a large lower end. When the medicine decocting pot is used, steam in the medicine decocting pot can be discharged from the air nozzle through backflow, and the effect of blowing bubbles through the floating plate is achieved.

The second embodiment is different from the first embodiment in that:

referring to fig. 3 and 4, the vertical pipe comprises a plurality of vertical pipes 9 arranged in sequence from top to bottom; between the adjacent standpipe, the internal diameter of the standpipe of top is greater than the external diameter of the standpipe of below, and the lower pot head of the standpipe of top is established on the upper end of the standpipe of below, forms along the annular 10 of slow flow that standpipe circumference extended between the lower extreme of the standpipe of top and the upper end of the standpipe of below, and the lower extreme of the standpipe of top is equipped with the enstrophe and is gone through and constitute the diapire 11 of slow flow annular, and the standpipe of top constitutes the lateral wall 12 of slow flow annular, and the standpipe of below constitutes the inside wall 13 of slow flow annular. The inner surface 14 of the bottom wall of the slow flow ring groove is a conical surface with a small upper end and a large lower end. And a sediment outlet 15 communicated with the lowest point of the bottom wall of the slow flow ring groove is formed in the outer side wall of the slow flow ring groove. A plug 16 for closing the sediment outlet is arranged in the sediment outlet. The plug is of a rubber structure. The plug and the sediment outlet are matched, sealed and pressed together. The invention also includes a stopper mechanism. The stopper fixing structure includes a pressing block 17 pressed on the outer end of the stopper, a fixing bolt 18, and a pulling plate 19 connected to the pressing block. The outer surface of the bottom wall of the slow flow ring groove is provided with a threaded blind hole 20. The pressing block is provided with a waist hole 21 extending along the distribution direction of the pressing block and the plug. The fixing bolt penetrates through the waist hole and is connected in the threaded blind hole in a threaded mode through threads, and the pulling plate is fixed on the lower surface of the bottom wall of the overflow groove.

The upper end of the vertical pipe positioned above the secondary side is sleeved with a water retaining cover 22, and a liquid outlet gap 23 is formed between the water retaining cover and the vertical pipe positioned above the secondary side. The upper end of the uppermost standpipe 28 is provided with a large diameter section 24. The upper end of the large-diameter section is provided with a flow guide sleeve 25 with an opening area gradually enlarged from top to bottom. The top end of the air guide sleeve is provided with a scum outlet 26. The horizontal pipe penetrates through the large-diameter section and is located right above the water retaining cover. The cross rod is connected with the large-diameter section in a sealing mode. The inner surface of the large-diameter section and the inner peripheral surface of the outer side wall of the uppermost slow flow ring groove 27 form a conical transition. The water shield is connected to a return air manifold 30 having a lower end extending into the upper end of the riser 29 located further up. The upper end of the return air main is provided with a plurality of return air branch pipes 31 extending out of the uppermost vertical pipe. The return branch pipe passes through the side wall of the large-diameter section to realize the extension of the vertical pipe positioned right above. A scum tapping chute 32 is provided on the upper surface of the shroud. The scum outlet is communicated with the scum discharging chute. A scum scraping mechanism which is used for scraping scum from the scum outlet into the scum discharging chute is arranged in the scum discharging chute. The slag scraping mechanism comprises a driving roller 33, a driven roller 34, a power mechanism (specifically a motor) for driving the driving roller to rotate, an annular belt 35 which is driven by the driving roller and the driven roller to rotate, and a plurality of slag scraping strips 36 which are connected to the annular belt and distributed along the extension direction of the annular belt. The annular belt is located directly above the dross outlet. The upper end surface 37 of the dross outlet is a sloping surface sloping towards the dross tapping chute. The plane defined by the axes of the driving roller and the driven roller is parallel to the upper end surface of the scum outlet.

Claims

1. The stirring type traditional Chinese medicine decocting system comprises a decocting tank, and is characterized by further comprising a traditional Chinese medicine conveying pipeline, a liquid medicine circulating pump and a steam circulating pump, wherein a liquid medicine storage cavity and a decocting cavity are isolated from the inside of the decocting tank through a filter plate, the liquid medicine storage cavity is provided with a first liquid medicine outlet and a second liquid medicine outlet which is butted with the traditional Chinese medicine conveying pipeline, a feeding hole is formed in the upper end of the decocting cavity, a residue discharging hole with a residue discharging hole cover is formed in the lower end of the decocting cavity, a plurality of liquid medicine inlet holes which are distributed in the vertical direction and are formed in the side wall of the decocting tank are further arranged in the decocting cavity, a steam outlet is formed in the top of the decocting tank, a vertical heating pipe with an upper opening and a lower opening is arranged in the decocting cavity, the inlet end of the steam circulating pump is butted with the steam outlet hole, the outlet end of the steam circulating pump is connected with a steam input pipe which extends into the vertical heating pipe, and the inlet end of the liquid medicine circulating pump is butted with the first liquid medicine outlet hole, The outlet end is simultaneously connected with all the liquid medicine inlet holes, the medicine decocting pot is circular, the direction of the inlet direction line of the liquid medicine inlet holes is the same as the radial direction of the medicine decocting pot, a floating plate capable of floating on the liquid medicine in the medicine decocting cavity is sleeved on the steam input pipe, the floating plate is arranged above the medicine decocting cavity in a separated mode to form a steam gathering cavity, a plurality of evaporation holes penetrating through the floating plate along the vertical direction are formed in the floating plate, the floating plate is provided with a sleeve positioned below the floating plate and sleeved on the steam input pipe, a gas distribution cavity is formed between the sleeve and the steam input pipe, the steam input pipe is provided with a plurality of communicating holes for communicating the gas distribution cavity and the inside of the steam input pipe, a gas distribution channel communicated with the gas distribution cavity is formed in the floating plate, and a plurality of gas nozzles with openings for the steam gathering cavity are arranged on the gas distribution channel.

2. The system of claim 1, wherein the heating tube is made of a heat conductive material, a fluid channel spirally rising along a circumference of the heating tube is disposed in the heating tube, a heating fluid inlet tube extending into an exterior of the decocting pot is disposed at one end of the fluid channel, and a heating fluid outlet tube extending into an exterior of the decocting pot is disposed at the other end of the fluid channel.

3. The system of claim 2, wherein the heating tube is suspended within the decocting tank by the heating fluid inlet tube and the heating fluid outlet tube.

4. The system of claim 1, wherein the air nozzle protrudes upwardly from the float plate.

5. The system of claim 4, wherein the air nozzle has a tapered outer surface with a smaller upper end and a larger lower end.

6. The system of claim 1, wherein said filter plate is inclined, and said hole is aligned with a lowest point of said filter plate.

7. The system of claim 1, wherein the tube comprises a horizontal tube and a plurality of vertical tubes arranged in sequence from top to bottom; between adjacent vertical pipes, the inner diameter of the upper vertical pipe is larger than the outer diameter of the lower vertical pipe, the lower end of the upper vertical pipe is sleeved on the upper end of the lower vertical pipe, and a slow flow ring groove extending along the circumferential direction of the vertical pipe is formed between the lower end of the upper vertical pipe and the upper end of the lower vertical pipe; the upper end of the vertical pipe above the second level is sleeved with a water retaining cover, a liquid outlet gap is formed between the water retaining cover and the vertical pipe above the second level, one end of the transverse pipe is connected with the vertical pipe above the uppermost level, and the other end of the transverse pipe is connected with the second liquid medicine outlet hole in a butt joint mode.

8. The system of claim 7, wherein the upper end of the uppermost vertical tube is provided with a large diameter section, the upper end of the large diameter section is provided with a diversion cover with an opening area gradually increasing from top to bottom, and the top end of the diversion cover is provided with a scum outlet.