CN114699785A - Multistage double distillation tower for medicine preparation - Google Patents
Multistage double distillation tower for medicine preparation Download PDFInfo
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- CN114699785A CN114699785A CN202210396610.2A CN202210396610A CN114699785A CN 114699785 A CN114699785 A CN 114699785A CN 202210396610 A CN202210396610 A CN 202210396610A CN 114699785 A CN114699785 A CN 114699785A
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- sealing
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- 238000004821 distillation Methods 0.000 title claims abstract description 107
- 239000003814 drug Substances 0.000 title abstract description 7
- 238000002360 preparation method Methods 0.000 title abstract description 4
- 230000007246 mechanism Effects 0.000 claims abstract description 63
- 239000007788 liquid Substances 0.000 claims abstract description 28
- 239000002699 waste material Substances 0.000 claims abstract description 12
- 238000011084 recovery Methods 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 65
- 238000007599 discharging Methods 0.000 claims description 25
- 150000001875 compounds Chemical class 0.000 claims description 10
- 238000009833 condensation Methods 0.000 claims description 9
- 230000005494 condensation Effects 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000005485 electric heating Methods 0.000 claims description 4
- 125000003003 spiro group Chemical group 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000000825 pharmaceutical preparation Substances 0.000 claims description 3
- 239000000523 sample Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000009835 boiling Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/143—Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/32—Other features of fractionating columns ; Constructional details of fractionating columns not provided for in groups B01D3/16 - B01D3/30
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention relates to a multistage double distillation tower for medicine preparation, which comprises: the tower comprises a tower body, wherein N openings are formed in one side of the tower body, and a hinge mechanism and a lower locking block are respectively arranged at two ends of the opening on the tower body; a set of distillation mechanism is arranged in each opening, one side of each distillation mechanism is hinged with the hinge mechanism, and the other side of each distillation mechanism is connected with the lower locking block through a locking pin; a set of condensing mechanism is arranged above each opening in the tower body, and a feeding nozzle is arranged on the condensing mechanism positioned at the top of the tower body; the bottom of the tower body is provided with a waste liquid recovery bin. The beneficial effects are that: the distillation mechanism is movably arranged in the opening, and is screwed out when in need of maintenance, so that a person can clean and maintain the distillation tower outside the tower body, and the personal safety of the person is improved; a plurality of sets of distillation mechanisms can independently heat and distill, and can heat liquids of different batches according to different temperatures, so that the distillation efficiency and the purity of distilled products are improved.
Description
Technical Field
The invention relates to the field of distillation equipment, in particular to a multistage compound distillation tower for medicine preparation.
Background
In the process of medicine production, various liquid raw materials are usually subjected to a series of reactions to generate a mixed solution containing medicines, raw materials, a catalyst and a solvent, various liquids in the mixed solution need to be distilled out in sequence by using distillation equipment, the liquids are collected and purified respectively, the purified raw materials, the catalyst and the solvent can be reused, and the purified medicines are directly packaged or dried to prepare finished products.
The current distillation column is a holistic tower body, sets up a manhole in one side of tower body, and the people can only get into inside the tower body through the manhole and wash, the maintenance work, takes place the incident easily, and current distillation column only has a set of heating distillation mechanism moreover, heats the component distillation of different boiling points through the mode that heaies up gradually and comes out, and distillation efficiency is low, and product purity is low.
Disclosure of Invention
The present invention has been made to overcome the above problems of the prior art and provides a multistage multiple distillation column for pharmaceutical preparation.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
a multi-stage multiple distillation column for pharmaceutical manufacturing, comprising: the tower comprises a cylindrical tower body, wherein N openings are formed in one side of the tower body, and a hinge mechanism and a lower locking block are respectively arranged at two ends of the opening on the tower body;
a set of distillation mechanism is arranged in each opening, one side of each distillation mechanism is hinged with the hinge mechanism, and the other side of each distillation mechanism is connected with the lower locking block through a locking pin;
a set of condensing mechanism is arranged above each opening in the tower body, a condensate discharging pipe extending out of the tower body is arranged at the bottom of each set of condensing mechanism, and a feeding nozzle is arranged on the condensing mechanism positioned at the top of the tower body;
the tower body bottom is equipped with the waste liquid and retrieves the storehouse, the bottom in waste liquid recovery storehouse is equipped with the waste liquid delivery pipe that stretches out outside the tower body.
The bottom of tower body is equipped with the outside support ring of round level, articulated mechanism includes articulated shaft and N fixed articulated piece, the articulated shaft is installed perpendicularly on the support ring, every open-ended one end middle part rigid coupling fixed articulated piece.
The distillation mechanism comprises a circular distillation barrel and a circular bottom plate, the bottom plate is mounted at the bottom of the distillation barrel through screws, and an electric heating pipe is mounted at the bottom end of the distillation barrel in an embedded mode; an upper discharging hole which is communicated up and down is formed in the bottom of the distillation barrel, a lower discharging hole which is communicated up and down is formed in the center of the bottom plate, and a ball valve assembly for controlling the communication or the cut-off of the upper discharging hole and the lower discharging hole is arranged between the distillation barrel and the bottom plate; one side of the distillation barrel is provided with a sealing plate with the same shape and size as the opening, one end of the sealing plate is fixedly connected with a movable hinge block sleeved on the hinge shaft, the other end of the sealing plate is fixedly connected with an upper locking block, and the lock pin is sequentially inserted into an upper pin hole in the upper locking block and a lower pin hole in the lower locking block from top to bottom.
The ball valve assembly comprises a spherical valve core and a cylindrical valve rod, a through hole which is communicated up and down is formed in the valve core, the head of the valve rod is fixedly connected with one side of the valve core, a hemispherical upper valve groove is formed in the bottom of the upper discharging hole, an upper valve rod groove communicated with the upper valve groove is further formed in the bottom of the distillation barrel, a hemispherical lower valve groove is formed in the top of the lower discharging hole, a lower valve rod groove communicated with the lower valve groove is formed in the top of the bottom plate, the valve core is rotatably installed in a valve core bin formed by splicing the upper valve groove and the lower valve groove, and the valve rod is rotatably installed in the valve rod groove formed by splicing the upper valve rod groove and the lower valve rod groove.
The ball valve assembly further comprises a rubber sealing sleeve, the rubber sealing sleeve comprises a circular valve rod sealing part and a C-shaped valve core sealing part, the valve core sealing part is vertically intersected with the valve rod sealing part, the valve rod sealing part is sleeved on the valve rod, the valve core sealing part is sleeved on the valve core, and sealing sleeve accommodating grooves used for accommodating the rubber sealing sleeve are respectively formed in the bottom end of the distillation barrel and the top end of the bottom plate.
The top of the distillation barrel is embedded with a first sealing ring, and the first sealing ring is abutted against the bottom end of the condensation mechanism to form a sealing structure; the bottom of bottom plate is inlayed and is installed No. two sealing rings, No. two sealing rings are coaxial with unloading hole, No. two sealing rings form seal structure with the top butt of condensation mechanism.
The side wall of the distillation barrel is provided with a temperature sensor, a probe of the temperature sensor extends into the distillation barrel, and the top end of the bottom of the distillation barrel is a concave conical surface.
Wherein, condensation mechanism includes the condenser pipe of circular shape condenser barrel, circular shape apron, screw-tupe, condenser barrel fixed mounting is in the tower body, the apron spiro union is at the condenser barrel top, the condenser pipe is located the condenser barrel, the both ends of condenser pipe are worn out from the condenser barrel lateral wall, the center of condenser barrel is equipped with the vapour entry that supplies vapour inflow, the center of apron is equipped with the round hole that link up from top to bottom, the vapour entry is coaxial with the round hole.
And the bottom of the condensation barrel is upwards punched to form an upwards arched flow guide surface.
Wherein, the material loading mouth includes that external screw thread pipe, nut, the annular sealed pad of circle, the bottom rigid coupling of external screw thread pipe has the central axis looks vertically spacing ring with external screw thread pipe, external screw thread pipe passes the round hole at apron center from bottom to top after and the looks spiro union of nut, accompany the sealed pad of piece respectively between spacing ring and the apron, between nut and the apron.
The invention has the beneficial effects that: 1. the distillation tower is characterized in that a plurality of openings are formed in one side of the tower body, the distillation mechanism is hinged with the tower body, the distillation mechanism is movably arranged in the openings, the distillation mechanism is screwed out when maintenance is needed, and a person can clean and maintain the distillation tower outside the tower body, so that the personal safety of the person is improved; 2. a plurality of sets of distillation mechanisms can independently heat and distill, and can heat liquids of different batches according to different temperatures, so that the distillation efficiency and the purity of distilled products are improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic view of a multi-stage double distillation column according to the present invention from a first perspective in a closed state;
FIG. 2 is a schematic view of a second view of the multi-stage double distillation column of the present invention in a closed state;
FIG. 3 is a schematic view showing the structure of the opened state of the multi-stage double distillation column in the present invention;
fig. 4 is a schematic view of the structure of the tower body in the present invention;
FIG. 5 is a schematic view of a distillation mechanism according to the present invention from a first perspective;
FIG. 6 is a schematic diagram of a second perspective of the distillation mechanism of the present invention;
FIG. 7 is a disassembled view of the distillation mechanism of the present invention;
FIG. 8 is a schematic view of the bottom of the distillation barrel in the present invention;
FIG. 9 is a schematic view of the construction of the base plate according to the present invention;
FIG. 10 is a schematic view of the assembly of the valve cartridge, valve stem and rubber boot seal of the present invention;
FIG. 11 is a disassembled view of the condensing mechanism of the present invention;
FIG. 12 is a schematic view of a feed nozzle according to the present invention;
the reference numbers in the figures illustrate: 1-tower body, 11-opening, 12-lower locking block, 13-support ring, 14-articulated shaft, 15-fixed articulated block, 16-lower pin hole, 2-distillation mechanism, 21-distillation barrel, 22-bottom plate, 23-electric heating pipe, 24-upper discharging hole, 25-lower discharging hole, 26-closing plate, 27-movable articulated block, 28-upper locking block, 29-upper pin hole, 210-valve core, 211-valve rod, 212-through hole, 213-upper valve groove, 214-upper valve rod groove, 215-lower valve groove, 216-lower valve rod groove, 217-rubber sealing sleeve, 218-valve rod sealing part, 219-valve core sealing part, 220-sealing sleeve groove, 221-first sealing ring, 222-second sealing ring, 223-a temperature sensor, 3-a lock pin, 4-a condensing mechanism, 41-a condensing barrel, 42-a cover plate, 43-a condensing pipe, 44-a steam inlet, 45-a round hole, 46-a condensate discharging pipe, 5-a feeding nozzle, 51-an external threaded pipe, 52-a nut, 53-a sealing gasket, 54-a limiting ring, 6-a waste liquid recycling bin and 61-a waste liquid discharging pipe.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 to 12, a multi-stage double distillation column for pharmaceutical preparation, comprising: the tower comprises a cylindrical tower body 1, wherein three openings 11 are formed in one side of the tower body 1, and a hinge mechanism and a lower locking block 12 are respectively arranged at two ends of the tower body 1, which are positioned at the openings; a set of distillation mechanism 2 is arranged in each opening 11, one side of each distillation mechanism 2 is hinged with a hinge mechanism, the other side of each distillation mechanism 2 is connected with a lower locking block 12 through a locking pin 3, so that the distillation mechanisms 2 are movably arranged in the openings 11, the distillation mechanisms 2 are screwed out when maintenance is needed, a person can clean and maintain the distillation tower outside the tower body 1, and the personal safety of the person is improved; three sets of distillation mechanisms 2 can be independent heats the distillation, can heat the liquid of different batches according to different temperatures simultaneously, improves distillation efficiency and the product purity of distilling. A set of condensing mechanism 4 is arranged above each opening in the tower body 1, the bottom of each set of condensing mechanism 4 is provided with a condensate discharging pipe 46 extending out of the tower body 1, and the condensing mechanism 4 at the top of the tower body 1 is provided with a feeding nozzle 5; the bottom of the tower body 1 is provided with a waste liquid recovery bin 6, and the bottom of the waste liquid recovery bin 6 is provided with a waste liquid discharge pipe 61 extending out of the tower body 1.
The bottom end of the tower body 1 is provided with a circle of support ring 13 extending horizontally outwards, the hinge mechanism comprises a hinge shaft 14 and three fixed hinge blocks 15, the hinge shaft 14 is vertically installed on the support ring 13, and the middle part of one end of each opening 11 is fixedly connected with one fixed hinge block 15.
The distillation mechanism 2 comprises a round distillation barrel 21 and a round bottom plate 22, the bottom plate 22 is mounted at the bottom of the distillation barrel 21 through screws, and an electric heating pipe 23 is mounted at the bottom end of the distillation barrel 21 in an embedded mode; an upper discharging hole 24 which is communicated up and down is formed in the bottom of the distillation barrel 21, a lower discharging hole 25 which is communicated up and down is formed in the center of the bottom plate 22, and a ball valve assembly for controlling the communication or the cut-off of the upper discharging hole 24 and the lower discharging hole 25 is installed between the distillation barrel 21 and the bottom plate 22; one side of the distillation barrel 21 is provided with a closing plate 26 having the same shape and size as the opening, one end of the closing plate 26 is fixedly connected with a movable hinge block 27 sleeved on the hinge shaft 14, the other end of the closing plate 26 is fixedly connected with an upper locking block 28, and the lock pin 3 is sequentially inserted into an upper pin hole 29 in the upper locking block 28 and a lower pin hole 16 in the lower locking block 12 from top to bottom.
The ball valve assembly comprises a spherical valve core 210 and a cylindrical valve rod 211, a through hole 212 which is through up and down is arranged in the valve core 210, the head of the valve rod 211 is fixedly connected with one side of the valve core 210, a hemispherical upper valve groove 213 is arranged at the bottom of the upper discharging hole 24, an upper valve rod groove 214 communicated with the upper valve groove 213 is also arranged at the bottom end of the distillation barrel 21, a hemispherical lower valve groove 215 is arranged at the top of the lower discharging hole 25, a lower valve rod groove 216 communicated with the lower valve groove 215 is arranged at the top end of the bottom plate 22, the valve core 210 is rotatably installed in a valve core bin formed by splicing the upper valve groove 213 and the lower valve groove 215, and the valve rod 211 is rotatably installed in a valve rod groove formed by splicing the upper valve rod groove 214 and the lower valve rod groove 216.
The tail part of the valve rod is provided with a manual handle or a rotary driver, and the rotary driver is a rotary cylinder or a servo motor.
The ball valve assembly further comprises a rubber sealing sleeve 217, the rubber sealing sleeve 217 comprises an annular valve rod sealing portion 218 and a C-shaped valve core sealing portion 219, the valve core sealing portion 219 is perpendicularly intersected with the valve rod sealing portion 218, the valve rod sealing portion 218 is sleeved on the valve rod 211, the valve core sealing portion 219 is sleeved on the valve core 210, sealing sleeve accommodating grooves 220 used for accommodating the rubber sealing sleeve 217 are formed in the bottom end of the distillation barrel 21 and the top end of the bottom plate 22 respectively, and sealing structures are formed among the valve core 210, the valve rod 211, the distillation barrel 21 and the bottom plate 22 to prevent liquid leakage.
A first sealing ring 221 is embedded and installed at the top of the distillation barrel 21, and the first sealing ring 221 is abutted against the bottom end of the condensation mechanism 4 to form a sealing structure; a second sealing ring 222 is mounted at the bottom end of the bottom plate 22 in an embedded mode, the second sealing ring 222 is coaxial with the blanking hole 25, and the second sealing ring 222 is abutted to the top end of the condensation mechanism 4 to form a sealing structure.
A temperature sensor 223 is arranged on the side wall of the distillation barrel 21, and a probe of the temperature sensor 223 extends into the distillation barrel 21 and is used for monitoring the heated temperature of the mixed liquid in the distillation barrel 21, so as to ensure that the heated temperature of the mixed liquid is within a set interval, and further ensure the purity of the distilled component; the top end of the bottom of the distillation barrel 21 is a concave conical surface, so that the liquid in the distillation barrel can be conveniently discharged.
The condensing mechanism 4 comprises a circular condensing barrel 41, a circular cover plate 42 and a spiral condensing tube 43, the condensing barrel 41 is fixedly installed in the tower body 1, the cover plate 42 is screwed on the top of the condensing barrel 41, the condensing tube 43 is located in the condensing barrel 41, two ends of the condensing tube 43 penetrate out of the side wall of the condensing barrel 41, a steam inlet 44 for steam to flow in is arranged at the center of the condensing barrel 41, a round hole 45 which is through up and down is formed in the center of the cover plate 42, the steam inlet 44 is coaxial with the round hole, steam generated during distillation flows into the condensing barrel 41 from the steam inlet 44, and the steam contacts with the condensing tube 43 to exchange heat and then is condensed into liquid to fall on the bottom of the condensing barrel 41. The bottom of the condensing barrel 41 is pressed upwards to form an upwards arched flow guide surface, and the upper opening of the condensate discharge pipe 46 is positioned on the bottom of the condensing barrel 41 on one side of the flow guide surface, so that condensed liquid can be conveniently collected and then discharged from the condensate discharge pipe 46.
The feeding nozzle 5 comprises an external thread pipe 51, a nut 52 and a circular sealing gasket 53, wherein the bottom end of the external thread pipe 51 is fixedly connected with a limiting ring 54 vertical to the central axis of the external thread pipe 51, the external thread pipe 51 penetrates through a circular hole 45 in the center of the cover plate 42 from bottom to top and then is in threaded connection with the nut 52, and the sealing gaskets 53 are clamped between the limiting ring 54 and the cover plate 42 and between the nut 52 and the cover plate 42 respectively to prevent steam from overflowing from a gap between the feeding nozzle 5 and the cover plate 42.
The entry of condenser pipe 43 and the pipeline intercommunication of carrying the low temperature mixed liquid, the export and the high temperature mixed liquid storage tank intercommunication of condenser pipe 43, the export of high temperature mixed liquid storage tank is through installing the conveying pipe and the material loading mouth intercommunication of ration charge pump to send the low temperature mixed liquid into the distillation mechanism who is located the tower body top after the condenser pipe preheats.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (10)
1. A multistage double distillation column for pharmaceutical preparation, characterized in that: the method comprises the following steps: the tower comprises a cylindrical tower body, wherein N openings are formed in one side of the tower body, and a hinge mechanism and a lower locking block are respectively arranged at two ends of the opening on the tower body;
a set of distillation mechanism is arranged in each opening, one side of each distillation mechanism is hinged with the hinge mechanism, and the other side of each distillation mechanism is connected with the lower locking block through a locking pin;
a set of condensing mechanism is arranged above each opening in the tower body, a condensate discharging pipe extending out of the tower body is arranged at the bottom of each set of condensing mechanism, and a feeding nozzle is arranged on the condensing mechanism positioned at the top of the tower body;
the tower body bottom is equipped with the waste liquid and retrieves the storehouse, the bottom in waste liquid recovery storehouse is equipped with the waste liquid delivery pipe that stretches out outside the tower body.
2. The multi-stage compound distillation column of claim 1, wherein: the bottom of tower body is equipped with the outside support ring of round level, articulated mechanism includes articulated shaft and N fixed articulated piece, the articulated shaft is installed perpendicularly on the support ring, every open-ended one end middle part rigid coupling fixed articulated piece.
3. The multi-stage compound distillation column of claim 2, wherein: the distillation mechanism comprises a circular distillation barrel and a circular bottom plate, the bottom plate is mounted at the bottom of the distillation barrel through screws, and an electric heating pipe is mounted at the bottom end of the distillation barrel in an embedded mode; an upper discharging hole which is communicated with the bottom of the distillation barrel is formed in the bottom of the distillation barrel, a lower discharging hole which is communicated with the bottom of the bottom plate is formed in the center of the bottom plate, and a ball valve assembly for controlling the communication or the cut-off of the upper discharging hole and the lower discharging hole is arranged between the distillation barrel and the bottom plate; one side of the distillation barrel is provided with a sealing plate with the same shape and size as the opening, one end of the sealing plate is fixedly connected with a movable hinge block sleeved on the hinge shaft, the other end of the sealing plate is fixedly connected with an upper locking block, and the lock pin is sequentially inserted into an upper pin hole in the upper locking block and a lower pin hole in the lower locking block from top to bottom.
4. The multi-stage compound distillation column according to claim 3, wherein: the ball valve assembly comprises a spherical valve core and a cylindrical valve rod, a through hole which is communicated up and down is formed in the valve core, the head of the valve rod is fixedly connected with one side of the valve core, a hemispherical upper valve groove is formed in the bottom of the upper discharging hole, an upper valve rod groove communicated with the upper valve groove is further formed in the bottom of the distillation barrel, a hemispherical lower valve groove is formed in the top of the lower discharging hole, a lower valve rod groove communicated with the lower valve groove is formed in the top of the bottom plate, the valve core is rotatably installed in a valve core bin formed by splicing the upper valve groove and the lower valve groove, and the valve rod is rotatably installed in a valve rod groove formed by splicing the upper valve rod groove and the lower valve rod groove.
5. The multi-stage compound distillation column of claim 4, wherein: the ball valve assembly further comprises a rubber sealing sleeve, the rubber sealing sleeve comprises a circular valve rod sealing part and a C-shaped valve core sealing part, the valve core sealing part is vertically intersected with the valve rod sealing part, the valve rod sealing part is sleeved on the valve rod, the valve core sealing part is sleeved on the valve core, and sealing sleeve accommodating grooves used for accommodating the rubber sealing sleeve are respectively formed in the bottom end of the distillation barrel and the top end of the bottom plate.
6. The multi-stage compound distillation column of claim 3, wherein: a first sealing ring is embedded and mounted at the top of the distillation barrel, and the first sealing ring is abutted against the bottom end of the condensation mechanism to form a sealing structure; the bottom of bottom plate is inlayed and is installed No. two sealing rings, No. two sealing rings are coaxial with unloading hole, No. two sealing rings form seal structure with the top butt of condensation mechanism.
7. The multi-stage compound distillation column according to claim 3, wherein: the side wall of the distillation barrel is provided with a temperature sensor, a probe of the temperature sensor extends into the distillation barrel, and the top end of the bottom of the distillation barrel is a concave conical surface.
8. The multi-stage compound distillation column of claim 1, wherein: condensation mechanism includes the condenser drum of circular shape, circular shape apron, screw-tupe condenser pipe, condenser drum fixed mounting is in the tower body, the apron spiro union is at the condenser drum top, the condenser pipe is located the condenser drum, the both ends of condenser pipe are worn out from the condenser drum lateral wall, the center of condenser drum is equipped with the vapour entry that supplies vapour inflow, the center of apron is equipped with the round hole that link up from top to bottom, the vapour entry is coaxial with the round hole.
9. The multi-stage compound distillation column of claim 8, wherein: the bottom of the condensing barrel is punched upwards to form a flow guide surface which is arched upwards.
10. The multi-stage compound distillation column of claim 8, wherein: the material loading mouth includes that external screw thread pipe, nut, the annular sealed pad of circle, the bottom rigid coupling of external screw thread pipe has the central axis looks vertically spacing ring with external screw thread pipe, external screw thread pipe passes the round hole at apron center back and nut looks spiro union from bottom to top, accompany the sealed pad of piece between spacing ring and the apron, between nut and the apron respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210396610.2A CN114699785B (en) | 2022-04-15 | 2022-04-15 | Multistage compound distillation tower for medicine preparation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210396610.2A CN114699785B (en) | 2022-04-15 | 2022-04-15 | Multistage compound distillation tower for medicine preparation |
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| CN114699785A true CN114699785A (en) | 2022-07-05 |
| CN114699785B CN114699785B (en) | 2023-06-20 |
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Inventor after: Zhu Yongjun Inventor after: Zhang Quansheng Inventor after: Zhang Jing Inventor after: Ren Huanhui Inventor before: Zhu Yongjun Inventor before: Zhang Quansheng Inventor before: Zhang Jing Inventor before: Ren Huanhui |