CN219646727U - Double-effect concentration system - Google Patents
Double-effect concentration system Download PDFInfo
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- CN219646727U CN219646727U CN202320728667.8U CN202320728667U CN219646727U CN 219646727 U CN219646727 U CN 219646727U CN 202320728667 U CN202320728667 U CN 202320728667U CN 219646727 U CN219646727 U CN 219646727U
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- ethanol
- buffer tank
- double
- communicated
- chamber
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 209
- 238000001704 evaporation Methods 0.000 claims abstract description 35
- 239000007788 liquid Substances 0.000 claims abstract description 34
- 238000010438 heat treatment Methods 0.000 claims abstract description 28
- 230000000694 effects Effects 0.000 claims abstract description 18
- 230000008020 evaporation Effects 0.000 claims description 16
- 238000003756 stirring Methods 0.000 claims description 15
- 239000002826 coolant Substances 0.000 claims description 4
- 239000011229 interlayer Substances 0.000 claims description 4
- 239000000243 solution Substances 0.000 abstract description 21
- 238000002347 injection Methods 0.000 abstract description 7
- 239000007924 injection Substances 0.000 abstract description 7
- 239000002904 solvent Substances 0.000 abstract description 6
- 239000003814 drug Substances 0.000 abstract description 5
- 230000009977 dual effect Effects 0.000 abstract description 2
- 239000010865 sewage Substances 0.000 description 6
- 238000011084 recovery Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model provides a double-effect concentration system. Aims at solving the technical problem that residual ethanol steam can escape when the existing double-effect concentrator is used for concentrating Chinese patent medicine or injection taking ethanol as a solvent. The adopted technical scheme is as follows: a dual effect concentration system comprising: the double-effect concentrator, the ethanol buffer tank and the vacuum main pipeline are sequentially communicated; the double effect concentrator comprises: the first heating chamber, the first evaporating chamber, the second heating chamber, the second evaporating chamber, the condenser and the liquid receiving tank are sequentially communicated; the condenser is provided with an exhaust port, and the exhaust port is communicated with the ethanol buffer tank through a drainage tube; the ethanol buffer tank is internally provided with an ethanol solution, the drainage tube penetrates through the upper part of the ethanol buffer tank, and the lower end of the drainage tube is immersed below the liquid level of the ethanol solution; the top of the ethanol buffer tank is communicated with the vacuum main pipeline through a vacuum pipe. The present utility model can recover residual ethanol vapor discharged from the double effect concentrator.
Description
Technical Field
The utility model relates to the technical field of double-effect concentration equipment, in particular to a double-effect concentration system.
Background
When water is used as an extracting agent to extract the Chinese patent medicine or is used as a solvent of injection, the double-effect concentration process is generally adopted for concentration, and the method has the advantages of high concentration speed, high water collecting efficiency and low energy consumption. However, when ethanol is used as an extractant to extract Chinese patent medicines or is used as a solvent of injection, the concentration is carried out by adopting a double-effect concentration process, and the condition that residual ethanol vapor is discharged through a vacuum system and cannot be completely recovered always exists.
When the injection taking ethanol as a solvent is produced by the company, the double-effect concentrator is used for concentration, residual ethanol steam can be discharged to a sewage treatment system through a vacuum system, so that not only is the ethanol recovery loss rate higher, but also the sewage COD content high and the impact load strong are caused, the sewage treatment cost is high, and the injection cannot be continuously produced for many times.
Disclosure of Invention
The object of the present utility model is to provide a double effect concentration system which is capable of recovering residual ethanol vapors discharged from a double effect concentrator, avoiding these residual ethanol vapors from entering a vacuum main pipe; improves the recovery rate of ethanol and reduces the load of a downstream sewage treatment system.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a dual effect concentration system comprising: the double-effect concentrator, the ethanol buffer tank and the vacuum main pipeline are sequentially communicated; the double effect concentrator comprises: the first heating chamber, the first evaporating chamber, the second heating chamber, the second evaporating chamber, the condenser and the liquid receiving tank are sequentially communicated; the condenser is provided with an exhaust port, and the exhaust port is communicated with the ethanol buffer tank through a drainage tube; the ethanol buffer tank is internally provided with an ethanol solution, the drainage tube penetrates through the upper part of the ethanol buffer tank, and the lower end of the drainage tube is immersed below the liquid level of the ethanol solution; the bottom of the ethanol buffer tank is provided with a liquid outlet and is matched with a valve; the top of the ethanol buffer tank is communicated with a vacuum main pipeline through a vacuum pipe; the vacuum main pipeline is provided with a vacuum pump and a vacuum buffer tank in a adapting mode.
Optionally, an interlayer for introducing a cooling medium is arranged on the periphery of the ethanol buffer tank.
Optionally, a liquid level meter is installed on the outer wall of the ethanol buffer tank so as to monitor the liquid level of the ethanol solution in the ethanol buffer tank.
Optionally, the double-effect concentrator is provided with a plurality of double-effect concentrators; each double-effect concentrator is respectively communicated with the same ethanol buffer tank through a drainage tube.
Optionally, the ethanol buffer tank is provided with a stirring mechanism, the stirring mechanism includes: stirring blades arranged in the ethanol buffer tank and a motor for driving the stirring blades to rotate.
Optionally, a first converging cavity and a second converging cavity which are mutually separated are arranged at the top of the condenser; the first converging cavity and the second converging cavity are respectively communicated with the top of the liquid receiving tank through a heat exchange channel at the bottom; the first converging cavity is communicated with the top of the second evaporating chamber, and the exhaust port is arranged in the second converging cavity.
Optionally, the bottom of the first heating chamber is communicated with the bottom of the first evaporating chamber, and the upper part of the first heating chamber is communicated with the middle part of the first evaporating chamber.
Optionally, the top of the first evaporation chamber is communicated with the upper part of the second heating chamber.
Optionally, the upper part of the second heating chamber is communicated with the middle part of the second evaporation chamber, and the bottom of the second heating chamber is communicated with the bottom of the second evaporation chamber.
The working principle of the utility model is as follows: the double-effect concentrator heats the injection or Chinese patent medicine with ethanol as solvent to evaporate the ethanol and realize concentration; and the vacuum pump is started, so that the vacuum main pipeline, the ethanol buffer tank communicated with the vacuum main pipeline and the double-effect concentrator are kept in a negative pressure state, the evaporation speed of ethanol is accelerated, and the concentration efficiency is improved. Most of the ethanol vapor is condensed into liquid state again in the condenser and is collected into the liquid receiving tank; a small part of ethanol vapor escaping from the exhaust port of the condenser is injected into the ethanol solution of the buffer tank, so that the ethanol solution is quickly condensed into a liquid state; thus, residual ethanol steam discharged by the double-effect concentrator can be prevented from entering the vacuum main pipeline.
Therefore, the utility model has the beneficial effects that: residual ethanol vapor discharged from the double-effect concentrator can be recovered, and the residual ethanol vapor is prevented from entering the vacuum main pipeline; improves the recovery rate of ethanol and reduces the load of a downstream sewage treatment system.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a schematic diagram of the structure of a double effect concentrator;
FIG. 3 is a schematic diagram of the structure of an ethanol buffer tank;
fig. 4 is a schematic diagram of multiple double effect concentrators sharing an ethanol buffer tank.
Reference numerals: 1. a double-effect concentrator; 2. an ethanol buffer tank; 3. a vacuum main pipe; 4. a first heating chamber; 5. a first evaporation chamber; 6. a second heating chamber; 7. a second evaporation chamber; 8. a condenser; 9. a liquid receiving tank; 10. a drainage tube; 11. a vacuum pump; 12. a vacuum buffer tank; 13. an interlayer; 14. a liquid level gauge; 15. stirring the leaves; 16. a motor; 17. a first confluence chamber; 18. a second confluence chamber; 19. and (5) a vacuum tube.
Detailed Description
Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.
In the description of the present utility model, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Embodiments of the present utility model will be described in detail with reference to fig. 1 to 4.
The embodiment of the utility model provides a double-effect concentration system. The double-effect concentration system comprises: the double-effect concentrator 1, the ethanol buffer tank 2 and the vacuum main pipeline 3 are communicated in sequence. The double effect concentrator 1 comprises: the first heating chamber 4, the first evaporating chamber 5, the second heating chamber 6, the second evaporating chamber 7, the condenser 8 and the liquid receiving tank 9 are sequentially communicated. The condenser 8 has an exhaust port which communicates with the ethanol buffer tank 2 through a drain pipe 10. The ethanol buffer tank 2 is internally provided with an ethanol solution, the drainage tube 10 penetrates through the upper part of the ethanol buffer tank 2, and the lower end of the drainage tube 10 is immersed below the liquid level of the ethanol solution. The bottom of the ethanol buffer tank 2 is provided with a liquid outlet and is matched with a valve; the top of the ethanol buffer tank 2 is communicated with the vacuum main pipeline 3 through a vacuum pipe 19; the main vacuum pipe 3 is fitted with a vacuum pump 11 and a vacuum buffer tank 12. It should be understood that the drain tube 10, vacuum tube 19 is typically provided with valves to provide protection when necessary.
The following describes specific embodiments of the present utility model: the double-effect concentrator 1 heats injection or Chinese patent medicine with ethanol as solvent to evaporate ethanol and realize concentration; and the vacuum pump 11 is started, so that the vacuum main pipeline 3, the ethanol buffer tank 2 communicated with the vacuum main pipeline 3 and the double-effect concentrator 1 are kept in a negative pressure state, the evaporation speed of ethanol is accelerated, and the concentration efficiency is improved. Most of the ethanol vapor is condensed into liquid state again in the condenser 8 and is collected into the liquid receiving tank 9; a small part of the ethanol vapor escaping from the exhaust port of the condenser 8 is injected into the ethanol solution of the buffer tank, so that the ethanol solution is quickly condensed into a liquid state; in this way, the residual ethanol vapor discharged by the double-effect concentrator 1 can be prevented from entering the vacuum main pipeline 3. The utility model can recycle the residual ethanol vapor discharged from the double-effect concentrator 1, and prevent the residual ethanol vapor from entering the vacuum main pipeline 3; improves the recovery rate of ethanol and reduces the load of a downstream sewage treatment system.
Further, an interlayer 13 for introducing a cooling medium is provided on the outer periphery of the ethanol buffer tank 2. It should be appreciated that by cooling the ethanol solution in the ethanol buffer tank 2 with a cooling medium, the secondary evaporation of the ethanol solution in the ethanol buffer tank 2 may be substantially reduced.
Further, a level gauge 14 is installed on the outer wall of the ethanol buffer tank 2 to monitor the level of the ethanol solution in the ethanol buffer tank 2. It should be understood that the valves of the liquid level meter 14 and the liquid outlet of the ethanol buffer tank 2 can also be arranged to be electrically controlled and adapted to the controller; when the liquid level of the ethanol solution in the ethanol buffer tank 2 rises to an upper limit threshold value, the ethanol solution in the ethanol buffer tank 2 is automatically discharged; when the liquid level of the ethanol solution in the ethanol buffer tank 2 falls to a lower limit threshold value, the valve is automatically closed.
Further, the double-effect concentrator 1 is provided with a plurality of double-effect concentrators; each double-effect concentrator 1 is respectively communicated with the same ethanol buffer tank 2 through a drainage tube 10. It should be understood that the recovery of residual ethanol vapor discharged from the plurality of double effect concentrators 1 by one ethanol buffer tank 2 can improve the utilization rate of the apparatus and reduce the manufacturing cost of the apparatus.
Further, the ethanol buffer tank 2 is provided with a stirring mechanism, and the stirring mechanism comprises: stirring blades 15 arranged in the ethanol buffer tank 2, and a motor 16 for driving the stirring blades 15 to rotate. It should be appreciated that the stirring mechanism is used to stir the ethanol solution in the ethanol buffer tank 2, so that the temperature of the ethanol solution can be more uniform, and the evaporation of the ethanol solution in the area close to the drainage tube 10 due to the over-high temperature is avoided.
Further, a first converging cavity 17 and a second converging cavity 18 which are separated from each other are arranged at the top of the condenser 8; the first converging cavity 17 and the second converging cavity 18 are respectively communicated with the top of the liquid receiving tank 9 through heat exchange channels at the bottom; the first converging cavity 17 is communicated with the top of the second evaporating chamber 7, and the exhaust port is arranged in the second converging cavity 18. It should be understood that the ethanol vapor discharged from the second evaporation chamber 7 enters the first confluence chamber 17 and flows downward to the liquid receiving tank 9 along the heat exchange channel at the bottom of the first confluence chamber 17; during the downward flow, the ethanol vapor exchanges heat and condenses into a liquid state. The ethanol vapor flowing into the liquid receiving tank 9 flows upwards from the heat exchange channel at the bottom of the second converging cavity 18 to the second converging cavity 18; in the upward flowing process, the ethanol vapor exchanges heat and is condensed into a liquid state; the residual ethanol vapor flowing into the second confluence chamber 18 flows into the ethanol buffer tank 2 through the draft tube 10 to be recovered again.
Further, the bottom of the first heating chamber 4 communicates with the bottom of the first evaporating chamber 5, and the upper portion of the first heating chamber 4 communicates with the middle portion of the first evaporating chamber 5.
Further, the top of the first evaporation chamber 5 communicates with the upper portion of the second heating chamber 6.
Further, the upper portion of the second heating chamber 6 communicates with the middle portion of the second evaporation chamber 7, and the bottom portion of the second heating chamber 6 communicates with the bottom portion of the second evaporation chamber 7. It should be understood that the heating manner, the structural principle, etc. of the first heating chamber 4, the first evaporating chamber 5, the second heating chamber 6, and the second evaporating chamber 7 may refer to the existing double-effect concentrator 1, and will not be described herein.
While particular embodiments of the present utility model have been described above, it will be understood by those skilled in the art that various changes and modifications may be made to these embodiments without departing from the spirit and scope of the utility model.
Claims (9)
1. A double-effect concentration system, characterized in that:
comprising the following steps: the double-effect concentrator (1), the ethanol buffer tank (2) and the vacuum main pipeline (3) are sequentially communicated;
wherein,,
the double effect concentrator (1) comprises: the first heating chamber (4), the first evaporating chamber (5), the second heating chamber (6), the second evaporating chamber (7), the condenser (8) and the liquid receiving tank (9) are sequentially communicated;
the condenser (8) is provided with an exhaust port, and the exhaust port is communicated with the ethanol buffer tank (2) through a drainage tube (10);
an ethanol solution is arranged in the ethanol buffer tank (2), the drainage tube (10) penetrates through the upper part of the ethanol buffer tank (2), and the lower end of the drainage tube (10) is immersed below the liquid level of the ethanol solution;
the bottom of the ethanol buffer tank (2) is provided with a liquid outlet and is matched with a valve;
the top of the ethanol buffer tank (2) is communicated with the vacuum main pipeline (3) through a vacuum pipe (19); the main vacuum pipe (3) is provided with a vacuum pump (11) and a vacuum buffer tank (12).
2. The double effect concentration system of claim 1, wherein:
an interlayer (13) for introducing a cooling medium is arranged on the periphery of the ethanol buffer tank (2).
3. The double effect concentration system of claim 1, wherein:
the outer wall of the ethanol buffer tank (2) is provided with a liquid level meter (14) so as to monitor the liquid level of the ethanol solution in the ethanol buffer tank (2).
4. The double effect concentration system of claim 1, wherein:
the double-effect concentrator (1) is provided with a plurality of double-effect concentrators; each double-effect concentrator (1) is respectively communicated with the same ethanol buffer tank (2) through a drainage tube (10).
5. The double effect concentration system of claim 1, wherein:
the ethanol buffer tank (2) is provided with a stirring mechanism; the stirring mechanism comprises: stirring blades (15) arranged in the ethanol buffer tank (2), and a motor (16) for driving the stirring blades (15) to rotate.
6. The double effect concentration system of any one of claims 1 to 5, wherein:
the top of the condenser (8) is provided with a first converging cavity (17) and a second converging cavity (18) which are mutually separated;
the first converging cavity (17) and the second converging cavity (18) are respectively communicated with the top of the liquid receiving tank (9) through heat exchange channels at the bottom;
the first converging cavity (17) is communicated with the top of the second evaporating chamber (7), and the exhaust port is arranged in the second converging cavity (18).
7. The double effect concentration system of claim 6, wherein:
the bottom of the first heating chamber (4) is communicated with the bottom of the first evaporating chamber (5), and the upper part of the first heating chamber (4) is communicated with the middle part of the first evaporating chamber (5).
8. The double effect concentration system of claim 7, wherein:
the top of the first evaporation chamber (5) is communicated with the upper part of the second heating chamber (6).
9. The double effect concentration system of claim 8, wherein:
the upper part of the second heating chamber (6) is communicated with the middle part of the second evaporation chamber (7), and the bottom of the second heating chamber (6) is communicated with the bottom of the second evaporation chamber (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320728667.8U CN219646727U (en) | 2023-04-06 | 2023-04-06 | Double-effect concentration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320728667.8U CN219646727U (en) | 2023-04-06 | 2023-04-06 | Double-effect concentration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219646727U true CN219646727U (en) | 2023-09-08 |
Family
ID=87854003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320728667.8U Active CN219646727U (en) | 2023-04-06 | 2023-04-06 | Double-effect concentration system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219646727U (en) |
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2023
- 2023-04-06 CN CN202320728667.8U patent/CN219646727U/en active Active
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