CN217828919U

CN217828919U - Vacuum distillation device for medicine production

Info

Publication number: CN217828919U
Application number: CN202221415601.5U
Authority: CN
Inventors: 孙龙; 潘洪岩; 胡忠涛; 李昕昊
Original assignee: Liaoning Hongshanhu Pharmaceutical Co ltd
Current assignee: Liaoning Hongshanhu Pharmaceutical Co ltd
Priority date: 2022-06-08
Filing date: 2022-06-08
Publication date: 2022-11-18
Anticipated expiration: 2032-06-08

Abstract

The utility model discloses a vacuum distillation device for medicine production, including the stills main part, one side of stills main part is provided with a collection liquid storehouse, collection liquid storehouse lower part is tapered tubular structure, the exhaust pipe one end of stills main part is connected with the spiral air duct, the outside cover of spiral air duct is equipped with the heat transfer sleeve pipe, the heat transfer sheathed tube both ends are linked together with raw materials storage storehouse and middle feed bin respectively, the utility model relates to a technical field, the exhaust pipe one end of stills main part is connected with spiral air duct and heat transfer sleeve pipe to utilize the high-temperature steam raw materials liquid medicine to preheat, thereby effectively improve the initial temperature of raw materials liquid medicine, reduce the distillation operation energy consumption, the continuity that the liquid medicine was supplied with can effectively be guaranteed in the setting of middle feed bin, guarantee the heat transfer effect of raw materials liquid medicine simultaneously.

Description

Vacuum distillation device for medicine production

Technical Field

The utility model relates to a medicine production technical field specifically is a vacuum distillation device for medicine production.

Background

The distillation still is designed for solving the problem that the existing distillation still needs to be overhauled and cleaned intermittently when materials contain solid matters and high-boiling-point matters in the production process, the principle is that distillation can be completed by vaporizing fractions required in heating and collecting the fractions through condensation according to different boiling points of the fractions, the existing distillation equipment for the medicines heats the medicines into steam and then directly discharges the steam into condensing equipment to be condensed into liquid medicine, the existing condensing equipment has short time for condensing the steam, so that the steam condensation effect is poor, the liquid medicine manufacturing efficiency is low, a large amount of heat is contained in the steam, and the heat is not fully utilized.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a vacuum distillation device for medicine production has solved current condensing equipment and has shorter to the time of steam condensation, leads to steam condensation effect poor for the preparation inefficiency of liquid medicine, and a large amount of heats do not obtain make full use of's problem in the steam.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a pressure reduction distillation device for medicine production, includes the stills main part, one side of stills main part is provided with a collection liquid storehouse, collection liquid storehouse lower part is tapered tubular structure, the exhaust pipe one end of stills main part is connected with the spiral air duct, the outside cover of spiral air duct is equipped with the heat transfer sleeve pipe, the heat transfer sleeve pipe both ends are linked together with raw materials storage storehouse and middle feed bin respectively, the one end intercommunication of spiral air duct has tubular condensation subassembly, the lower extreme of tubular condensation subassembly stretches into in the collection liquid storehouse, the outside intercommunication of tubular condensation subassembly has continuous heat exchange component, collection liquid storehouse upper end intercommunication has the decompression pipeline, be provided with pressure gauge and control valve on the decompression pipeline, the one end and the vacuum pump of decompression pipeline are linked together, collection liquid storehouse lower part is provided with the fluid-discharge tube.

The above-mentioned tubular condensing unit includes: the heat exchange device comprises heat exchange bins, conical hoppers and contact heat exchange components, wherein the conical hoppers are symmetrically arranged in the heat exchange bins, two ends of each conical hopper penetrate through the end faces of the heat exchange bins respectively, one of the two conical hoppers is communicated with a spiral air duct, and the contact heat exchange components are arranged between the conical hoppers.

The above contact heat exchange member includes: the separation baffle is fixedly arranged at one end of the conical hopper, a plurality of through holes are formed in the separation baffle along the annular array, and two ends of the heat exchange tube are respectively communicated with the corresponding through holes in the separation baffle.

The continuous heat exchange assembly comprises: the water cooling system comprises a water inlet pipe, a water return pipe and a one-way valve, wherein one end of the water inlet pipe is communicated with the lower part of the side wall of the heat exchange bin, the other end of the water inlet pipe is communicated with a cooling water pipeline, the one-way valve is sleeved on the water inlet pipe, the conduction direction of the one-way valve points to one side of the heat exchange bin, one end of the water return pipe is communicated with the upper part of the side wall of the heat exchange bin, and the other end of the water return pipe is communicated with the cold water tower.

Be provided with first charge pump on the storehouse is stored to above-mentioned raw materials, the feed liquor end of first charge pump stretches into in the storehouse is stored to the raw materials, the flowing back end is linked together with heat transfer sleeve pipe lower extreme, be provided with the feed back pipe between heat transfer sleeve pipe upper end and the intermediate bin.

The intermediate bin is provided with a second feeding pump, the liquid inlet end of the second feeding pump extends into the intermediate bin, and the liquid discharge end of the second feeding pump is communicated with the feeding pipe of the distillation kettle main body.

The outer wall of the intermediate bin adopts a jacket type hollow structure, and a heat insulation layer is filled in the hollow structure.

And a pressure regulating valve and a pressure relief valve are arranged between the pressure gauge on the pressure reducing pipeline and the control valve.

Advantageous effects

The utility model provides a vacuum distillation device for medicine production. The method has the following beneficial effects:

1. one end of a steam exhaust pipe of the distillation kettle main body is connected with a spiral gas guide pipe and a heat exchange sleeve, and high-temperature steam raw material liquid medicine is utilized for preheating, so that the initial temperature of the raw material liquid medicine is effectively improved, the energy consumption of distillation operation is reduced, the continuity of liquid medicine supply can be effectively ensured by the arrangement of the intermediate bin, and meanwhile, the heat exchange effect of the raw material liquid medicine is ensured;

2. the upper part of the liquid collecting bin is communicated with a vacuum pump through a pressure reducing pipeline and is matched with a pressure gauge and a control valve to realize the pressure reducing control of the internal gas environment of the distillation system, so that the distillation operation efficiency is effectively ensured.

3. Utilize tubular condensation subassembly cooperation continuous heat exchange assemblies, realize carrying out further heat transfer to the product steam after preliminary cooling to make the liquid molecule in the steam condense into the liquid medicine under low temperature environment, and further converge to in the collection liquid storehouse.

Drawings

Fig. 1 is a schematic view of the front view cross-sectional structure of the present invention.

Fig. 2 is a schematic top view of the present invention.

Fig. 3 is an enlarged schematic view of the a position of the present invention.

In the figure: 1. a distillation kettle main body; 2. a liquid collecting bin; 3. a steam exhaust pipe; 4. a helical air duct; 5. a heat exchange sleeve; 6. a raw material storage bin; 7. an intermediate storage bin; 8. a pressure reducing line; 9. a pressure gauge; 10. a control valve; 11. a vacuum pump; 12. a liquid discharge pipe; 13. a heat exchange bin; 14. a conical hopper; 15. a separation baffle; 16. a heat exchange tube; 17. a water inlet pipe; 18. a water return pipe; 19. a one-way valve; 20. a first feed pump; 21. a material returning pipe; 22. a second feed pump; 23. a heat insulation layer; 24. a pressure regulating valve; 25. and (4) releasing the valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

All the electrical components in the present application are connected with the power supply adapted to the electrical components through the wires, and an appropriate controller should be selected according to actual conditions to meet the control requirements, and specific connection and control sequences should be obtained.

Referring to fig. 1-3, the present invention provides a vacuum distillation apparatus for pharmaceutical manufacturing:

the embodiment is as follows: as can be known from the attached figures 1-3 of the specification, in the scheme, a liquid collecting bin 2 is arranged on one side of a distillation kettle main body 1, the lower part of the liquid collecting bin 2 is of a conical tubular structure, one end of a steam exhaust pipe 3 of the distillation kettle main body 1 is connected with a spiral air duct 4, the outer side of the spiral air duct 4 is sleeved with a heat exchange sleeve 5, two ends of the heat exchange sleeve 5 are respectively communicated with a raw material storage bin 6 and an intermediate storage bin 7, one end of the spiral air duct 4 is communicated with a tubular condensing assembly, the lower end of the tubular condensing assembly extends into the liquid collecting bin 2, the exterior of the tubular condensing assembly is communicated with a continuous heat exchange assembly, the upper end of the liquid collecting bin 2 is communicated with a pressure reducing pipeline 8, a pressure gauge 9 and a control valve 10 are arranged on the pressure reducing pipeline 8, one end of the pressure reducing pipeline 8 is communicated with a vacuum pump 11, a liquid discharge pipe 12 is arranged on the lower part of the liquid collecting bin 2, and under the matching action of the vacuum pump 11 and the pressure reducing pipeline 8, the air pressure in the distillation kettle main body 1 is adjusted, thereby assisting the rapid implementation of the liquid medicine distillation operation, high-temperature steam generated in the distillation operation process enters the spiral air duct 4 through the steam exhaust pipe 3 of the distillation kettle main body 1 and exchanges heat with the raw material liquid medicine between the spiral air duct 4 and the heat exchange sleeve 5, the temperature of the raw material liquid medicine is improved while the steam temperature is reduced, the advancing direction of the high-temperature steam in the spiral air duct 4 is opposite to that of the raw material liquid medicine, the heat exchange efficiency can be effectively improved, the high-temperature raw material liquid medicine after heat exchange enters the intermediate storage bin 7 for temporary storage and is continuously added into the distillation kettle main body 1 according to the actual production requirement, the medicine steam after primary temperature reduction further enters the tubular condensation component and is condensed after heat exchange with the continuous heat exchange component, the condensed liquid medicine further converges to the liquid collecting bin 2, can be led out through a liquid discharge pipe 12 at the lower part of the liquid collection bin 2.

In a specific implementation process, the tubular condensing assembly comprises: heat transfer storehouse 13, the tapered fill 14 and contact heat transfer component, tapered fill 14 symmetry set up in heat transfer storehouse 13 and both ends run through heat transfer storehouse 13 terminal surface respectively, and one and spiral air duct 4 of 14 tops are fought to two tapers are linked together, and contact heat transfer component sets up between tapered fill 14, and above-mentioned contact heat transfer component includes: separate baffle 15 and heat exchange tube 16, separate baffle 15 and set firmly in one of conical hopper 14 serve and separate the baffle 15 go up along annular array and seted up a plurality of through-holes, the both ends of heat exchange tube 16 are linked together with the through-hole on the separate baffle 15 that corresponds respectively, and wherein continuous heat exchange assembly includes: the water inlet pipe 17, the water return pipe 18 and the check valve 19, one end of the water inlet pipe 17 is communicated with the lower part of the side wall of the heat exchange bin 13, the other end is communicated with the cooling water pipeline, the check valve 19 is sleeved on the water inlet pipe 17, the conduction direction of the check valve is directed to one side of the heat exchange bin 13, one end of the water return pipe 18 is communicated with the upper part of the side wall of the heat exchange bin 13, the other end of the water return pipe is communicated with the cold water tower, when the water inlet pipe 17 is used, the cooling water is injected into the heat exchange bin 13 through the lower part of the heat exchange bin 13, water is continuously supplied, redundant cooling water enters the cooling tower through the water return pipe 18 above the heat exchange bin 13, the check valve 19 arranged on the water inlet pipe 17 can effectively reduce the water head pressure of the water supply end, meanwhile, the primarily cooled medicine steam enters the conical hopper 14 through the lower end of the spiral air duct 4 and further enters the heat exchange pipe 16 between the conical hoppers 14 under the air pressure, the heat exchange water in the heat exchange bin 13 is condensed into liquid through the heat exchange pipe 16, and further flows into the liquid collecting bin 2 under the action of gravity and the air flow to obtain the required liquid medicine.

In the specific implementation process, be provided with first charge pump 20 on the above-mentioned raw materials storage storehouse 6, the feed liquor end of first charge pump 20 stretches into in the raw materials storage storehouse 6, the flowing back end is linked together with heat transfer sleeve 5 lower extreme, be provided with feed back pipe 21 between heat transfer sleeve 5 upper end and the intermediate storage bin 7, be provided with second charge pump 22 on the above-mentioned intermediate storage bin 7, the feed liquor end of second charge pump 22 stretches into in the intermediate storage bin 7, the flowing back end is linked together with the inlet pipe of stills main part 1, in using, utilize first charge pump 20 to store the continuous supply of raw materials liquid medicine in the storehouse 6 to the heat transfer sleeve 5 in the raw materials storage storehouse, can heat the raw materials liquid medicine, and then improve the initial temperature when the raw materials liquid medicine enters into stills, thereby reduce the required energy consumption of distillation operation, the raw materials liquid medicine after the heat transfer enters into intermediate storage bin 7, again need utilize second charge pump 22 to supply the raw materials liquid medicine in the intermediate storage bin 7 to the stills main part 1 according to the feed liquid medicine of stills main part 1, adopt intermittent type feed can fully guarantee the continuity of whole raw materials, guarantee the heat exchange efficiency of liquid medicine simultaneously.

In the specific implementation process, the outer wall of the intermediate bin 7 adopts a jacket type hollow structure, and a heat-insulating layer 23 is filled in the hollow structure, so that the temperature loss of the bulk drug liquid can be fully avoided, and the energy consumption of the distillation device is reduced.

In the specific implementation process, a pressure regulating valve 24 and a pressure relief valve 25 are arranged between the pressure gauge 9 and the control valve 10 on the pressure reducing pipeline 8, and the pressure in the system can be regulated through the pressure regulating valve 24 in the distillation operation process; when the distillation system needs to be maintained or cleaned, the vacuum pump 11 and the control valve 10 are firstly closed, and then the pressure release valve 25 is opened, so that the maintenance and cleaning operation are convenient after the pressure in the distillation system is balanced with the external atmospheric pressure.

In conclusion, according to the reduced pressure distillation device for medicine production, one end of the exhaust pipe 3 of the distillation kettle main body 1 is connected with the spiral gas guide pipe 4 and the heat exchange sleeve 5, and high-temperature steam raw material liquid medicine is utilized for preheating, so that the initial temperature of the raw material liquid medicine is effectively improved, the energy consumption of distillation operation is reduced, the continuity of liquid medicine supply can be effectively ensured by the arrangement of the intermediate bin 7, and meanwhile, the heat exchange effect of the raw material liquid medicine is ensured; the upper part of the liquid collection bin 2 is communicated with a vacuum pump 11 through a pressure reduction pipeline 8, and the pressure reduction control of the internal gas environment of the distillation system is realized by matching with a pressure gauge 9 and a control valve 10, so that the distillation operation efficiency is effectively ensured; the tubular condensing assembly is matched with the continuous heat exchange assembly to realize further heat exchange of the product steam subjected to preliminary cooling, so that liquid molecules in the steam are condensed into liquid medicine in a low-temperature environment and further converged into the liquid collecting bin 2; the problem of current condensing equipment short to the time of steam condensation, lead to steam condensation effect poor for the preparation of liquid medicine is inefficient, and a large amount of heats do not obtain make full use of in the steam is solved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a medicine production is with decompression distillation plant, includes the stills main part, one side of stills main part is provided with a collection liquid storehouse, collection liquid storehouse lower part is tapered tubular structure, its characterized in that, the exhaust pipe one end of stills main part is connected with the spiral air duct, the outside cover of spiral air duct is equipped with heat transfer sleeve pipe, heat transfer sleeve pipe's both ends are stored the storehouse with the raw materials respectively and middle feed bin is linked together, the one end intercommunication of spiral air duct has tubular condensation subassembly, tubular condensation subassembly's lower extreme stretches into in collecting the liquid storehouse, the outside intercommunication of tubular condensation subassembly has continuous heat transfer subassembly, collection liquid storehouse upper end intercommunication has the decompression pipeline, be provided with pressure gauge and control valve on the decompression pipeline, the one end and the vacuum pump of decompression pipeline are linked together, collection liquid storehouse lower part is provided with the fluid-discharge tube.

2. A vacuum distillation apparatus for medical production as set forth in claim 1, wherein the tubular condensation unit includes: the heat exchange device comprises a heat exchange bin, conical hoppers and contact heat exchange components, wherein the conical hoppers are symmetrically arranged in the heat exchange bin, two ends of each conical hopper penetrate through the end face of the heat exchange bin respectively, one of the two conical hoppers is communicated with a spiral air duct, and the contact heat exchange components are arranged between the conical hoppers.

3. A reduced pressure distillation apparatus for medical production according to claim 2, wherein the contact heat exchange member comprises: the heat exchange tube comprises a separation baffle and a heat exchange tube, wherein the separation baffle is fixedly arranged at one end of the conical hopper, a plurality of through holes are formed in the separation baffle along the annular array, and two ends of the heat exchange tube are respectively communicated with the corresponding through holes in the separation baffle.

4. A vacuum distillation apparatus for medical production according to claim 2, wherein the continuous heat exchange assembly comprises: the water cooling system comprises a water inlet pipe, a water return pipe and a one-way valve, wherein one end of the water inlet pipe is communicated with the lower part of the side wall of the heat exchange bin, the other end of the water inlet pipe is communicated with a cooling water pipeline, the one-way valve is sleeved on the water inlet pipe, the conduction direction of the one-way valve points to one side of the heat exchange bin, one end of the water return pipe is communicated with the upper part of the side wall of the heat exchange bin, and the other end of the water return pipe is communicated with the cold water tower.

5. The reduced pressure distillation apparatus for medicine production according to claim 1, wherein a first feed pump is disposed on the raw material storage bin, a liquid inlet end of the first feed pump extends into the raw material storage bin, a liquid discharge end of the first feed pump is communicated with a lower end of the heat exchange sleeve, and a material return pipe is disposed between an upper end of the heat exchange sleeve and the intermediate bin.

6. A reduced pressure distillation apparatus for medicine production according to claim 1, wherein a second feed pump is provided on the intermediate storage bin, a liquid inlet end of the second feed pump extends into the intermediate storage bin, and a liquid discharge end of the second feed pump is communicated with the feed pipe of the distillation still main body.

7. The reduced pressure distillation apparatus for medicine production according to claim 1, wherein the outer wall of the intermediate bin is of a jacketed hollow structure, and the hollow structure is filled with a heat insulation layer.

8. A reduced pressure distillation apparatus for medical production according to claim 1, wherein a pressure regulating valve and a pressure relief valve are provided between the pressure gauge and the control valve on the pressure reducing pipeline.