CN210874134U - Modular solvent evaporation system - Google Patents
Modular solvent evaporation system Download PDFInfo
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- CN210874134U CN210874134U CN201921369497.9U CN201921369497U CN210874134U CN 210874134 U CN210874134 U CN 210874134U CN 201921369497 U CN201921369497 U CN 201921369497U CN 210874134 U CN210874134 U CN 210874134U
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- evaporation chamber
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- evaporation
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Abstract
The utility model discloses a modular solvent evaporation system, include: the evaporation chamber is used for inputting a raw material solvent and is respectively communicated with the first heat exchanger and the second heat exchanger; the first heat exchanger is used for introducing the vaporous solvent in the evaporation chamber, condensing the vaporous solvent to obtain a distillate solvent and discharging the distillate solvent; the solvent storage tank is communicated with the first heat exchanger, stores the distillate solvent discharged by the first heat exchanger and outputs the distillate solvent; the tube side of the second heat exchanger is filled with liquid material containing solvent, the liquid material is heated, the solvent is vaporized by an evaporation chamber and enters the shell side of the first heat exchanger, and the evaporated solvent-free concentrated solution is discharged; the compressor is respectively communicated with the first heat exchanger and the second heat exchanger, the low-temperature heat exchange working medium in the first heat exchanger is heated and conveyed to the second heat exchanger through the compressor, and the high-temperature heat exchange working medium in the second heat exchanger flows back to the first heat exchanger.
Description
Technical Field
The utility model relates to an organic solvent retrieves the field, especially relates to a modular solvent evaporation system.
Background
As is known, the evaporation, indium evaporation and concentration devices of solvents in the chemical industry, the medicine industry and the biological extraction industry have high energy consumption, and the energy consumption accounts for a large proportion of the operation cost of the devices, so that the reduction and optimization of unit energy consumption are crucial to the reduction of the whole operation cost; the existing MVR multi-effect evaporation unit reduces the operation energy consumption, but aims at the aspect of organic solvent recovery, because flammable and explosive vaporous solvent is contacted with a compressor impeller running at a high speed, potential safety hazards exist, and moreover, the installation and maintenance are troublesome, the occupied area is large, and the operation is inconvenient.
Disclosure of Invention
The utility model discloses the main technical problem who solves provides a modular solvent evaporation system, can effectively improve the solvent rate of recovery, and is energy-concerving and environment-protective, clean safety.
In order to solve the technical problem, the utility model discloses a technical scheme be: there is provided a modular solvent evaporation system comprising: the system comprises a solvent storage tank, an evaporation chamber, at least one first heat exchanger for condensation, at least one second heat exchanger for heating and a compressor; an evaporation chamber, which inputs a raw material solvent and is respectively communicated with the first heat exchanger and the second heat exchanger; the first heat exchanger is used for introducing the vaporous solvent into the evaporation chamber, condensing the vaporous solvent through the low-temperature heat exchange working medium of the first heat exchanger to obtain a distillate solvent and discharging the distillate solvent; the solvent storage tank is communicated with the first heat exchanger, stores the distillate solvent discharged by the first heat exchanger and outputs the distillate solvent; the second heat exchanger is used for introducing the liquid solvent in the evaporation chamber, evaporating the liquid solvent through the high-temperature heat exchange working medium of the second heat exchanger to obtain concentrated solvent liquid, discharging the concentrated solvent liquid, and refluxing the other part of the solvent to the evaporation chamber; the compressor is respectively communicated with the first heat exchanger and the second heat exchanger, the low-temperature heat exchange working medium in the first heat exchanger is heated and conveyed to the second heat exchanger through the compressor, and the high-temperature heat exchange working medium of the second heat exchanger flows back to the first heat exchanger.
In a preferred embodiment of the present invention, the tube side of the second heat exchanger is fed with a liquid material containing a solvent, the liquid material is heated, the solvent is vaporized by the evaporation chamber to enter the shell side of the first heat exchanger, the evaporated solvent-free concentrated solution is discharged, and the tube side of the first heat exchanger and the shell side of the second heat exchanger are communicated with the compressor.
In a preferred embodiment of the present invention, a circulation pump is further disposed between the second heat exchanger and the evaporation chamber, and the circulation pump is used for circularly heating the liquid material in the second heat exchanger.
In a preferred embodiment of the present invention, a solvent pump is disposed on the solvent storage tank, and a part of the distillate solvent in the solvent storage tank is output through the solvent pump.
In a preferred embodiment of the present invention, a feed pump is connected to the evaporation chamber, and the feed pump delivers the raw material solvent to the evaporation chamber.
In a preferred embodiment of the present invention, a preheating heater is further connected to the evaporation chamber.
In a preferred embodiment of the present invention, a liquid-vapor separator is further connected between the evaporation chamber and the first heat exchanger.
In a preferred embodiment of the present invention, a cleaning pump is further connected to the evaporation chamber.
In a preferred embodiment of the present invention, an oil separator is further connected to the compressor.
In a preferred embodiment of the present invention, an expansion valve is further disposed between the first heat exchanger and the second heat exchanger, and a discharge pump for discharging the concentrated solution is connected to the second heat exchanger.
In a preferred embodiment of the present invention, the utility model further comprises a PLC electric control cabinet for controlling each component.
The utility model has the advantages that: the utility model discloses modular solvent evaporation system can effectively improve the solvent rate of recovery, and is energy-concerving and environment-protective, clean safety.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
FIG. 1 is a schematic perspective view of a preferred embodiment of the modular solvent evaporation system of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic illustration of the FIG. 1;
the parts in the drawings are numbered as follows: 1. the device comprises a solvent storage tank, 2, an evaporation chamber, 3, a first heat exchanger, 4, a second heat exchanger, 5, a feeding pump, 6, a compressor, 7, a circulating pump, 8, a discharging pump, 9, a solvent pump, 10, a preheating heater, 11, a liquid-vapor separator, 12, a cleaning pump, 13, an oil separator, 14, an expansion valve, 15 and a PLC (programmable logic controller) electric control cabinet.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but 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 belong to the protection scope of the present invention.
Referring to fig. 1-3, a modular solvent evaporation system includes: a solvent storage tank 1, an evaporation chamber 2, at least one first heat exchanger 3 for condensation and at least one second heat exchanger 4 for heating and a compressor 6; a solvent storage tank 1 for storing a solvent and outputting the solvent; the evaporation chamber 2 is used for inputting a raw material solvent and is respectively communicated with the first heat exchanger 3 and the second heat exchanger 4; the first heat exchanger 3 is used for introducing the vaporous solvent in the evaporation chamber 2, condensing the vaporous solvent through a low-temperature heat exchange working medium and discharging the obtained distillate solvent; a solvent storage tank 5 which is communicated with the first heat exchanger 3 and stores the distillate solvent discharged from the first heat exchanger 3 and outputs the distillate solvent; the second heat exchanger 4 is used for introducing the liquid solvent in the evaporation chamber 2, evaporating the liquid solvent through a high-temperature heat exchange working medium to obtain a concentrated solvent liquid, discharging the concentrated solvent liquid, and refluxing the other part of the solvent to the evaporation chamber 2; the compressor 6 is respectively communicated with the first heat exchanger 3 and the second heat exchanger 4, a low-temperature heat exchange working medium in the first heat exchanger 3 is heated by the compressor 6 and then enters the second heat exchanger 4, and a high-temperature heat exchange working medium in the second heat exchanger 4 directly flows back to the first heat exchanger 3. The tube side of the second heat exchanger 4 is filled with liquid material containing solvent, the liquid material is heated, the solvent is vaporized through the evaporation chamber 2 and enters the shell side of the first heat exchanger 3, the evaporated solvent-free concentrated solution is discharged, and the tube side of the first heat exchanger 3 and the shell side of the second heat exchanger 4 are communicated with the compressor 6
In addition, a circulating pump 7 is arranged between the second heat exchanger 4 and the evaporation chamber 2, and the circulating pump 7 circularly heats the liquid material in the second heat exchanger 4. The vaporous solvent is condensed into a liquid state through the first heat exchanger 3, then energy is transferred to the low-temperature heat exchange working medium in the first heat exchanger 3, the low-temperature heat exchange working medium enters the second heat exchanger 4 after the temperature of the low-temperature heat exchange working medium is raised through the compressor 6, the high-temperature working medium in the second heat exchanger 4 heats the liquid solvent to release heat and cool, and then the liquid solvent flows back to the first heat exchanger 3. The number of the first heat exchanger 3 and the second heat exchanger 4 can be selected according to actual needs.
The compressor drives the energy released and absorbed by the heat exchange working medium in the closed cycle process to be used as the energy required by the liquid evaporation and the gaseous condensation of the solvent, namely the energy released by the high-temperature and high-pressure heat exchange working medium in the condensation process is the energy required to be absorbed when the left-position liquid solvent is evaporated, and after the solvent is evaporated into a gaseous state, the energy released in the condensation process into a liquid state is used as the energy required to be absorbed when the low-temperature mortgage heat exchange working medium is heated. The system continuously performs thermodynamic cycle by absorbing and releasing heat through the heat exchange working medium, thereby realizing the evaporation and concentration of the liquid solvent and the condensation and recovery of the evaporated vaporous solvent. In the whole closed-loop system, the heat exchange working medium and the solvent in the system realize mutual full utilization of energy through phase state conversion to form a closed Carnot circulation system, and the whole process only needs to provide a compressor to compress the heat exchange working medium with low temperature and low pressure into the energy required by high temperature and high pressure.
The solvent tank 1 is provided with a solvent pump 9, and a part of the distillate solvent in the solvent tank 1 is discharged by the solvent pump 9, and the other part is discharged by vacuum.
Further, a feed pump 5 is connected to the evaporation chamber 2, and the feed pump 5 feeds the raw material solvent to the evaporation chamber 2.
In addition, the evaporation chamber 2 is connected with a preheating heater 10, and the preheating heater 10 heats the evaporation chamber 2 to more easily evaporate and discharge the solvent.
In addition, a liquid-vapor separator 11 is connected between the evaporation chamber 2 and the first heat exchanger 3.
Further, a purge pump 12 is connected to the evaporation chamber 2.
An oil separator 13 is connected to the compressor 6.
An expansion valve 14 is provided between the first heat exchanger 3 and the second heat exchanger, and the concentrated solution in the second heat exchanger 4 is discharged by a discharge pump 8.
In addition, the system also comprises a PLC (programmable logic controller) electric control cabinet 15 for controlling each part, and the PLC electric control cabinet 15 can realize the automatic adjustment and operation of the system, so that the work reaches dynamic balance.
Be different from prior art, the utility model discloses modular solvent evaporation system can effectively improve the solvent rate of recovery, and is energy-concerving and environment-protective, clean safety.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.
Claims (10)
1. A modular solvent evaporation system, comprising: the system comprises a solvent storage tank, an evaporation chamber, at least one first heat exchanger for condensation, at least one second heat exchanger for heating and a compressor;
an evaporation chamber, which inputs a raw material solvent and is respectively communicated with the first heat exchanger and the second heat exchanger;
the first heat exchanger is used for introducing the vaporous solvent into the evaporation chamber, condensing the vaporous solvent through the low-temperature heat exchange working medium of the first heat exchanger to obtain a distillate solvent and discharging the distillate solvent;
the solvent storage tank is communicated with the first heat exchanger, stores the distillate solvent discharged by the first heat exchanger and outputs the distillate solvent;
the second heat exchanger is used for introducing a liquid material containing a solvent, heating the liquid material, vaporizing the solvent through the evaporation chamber, entering the first heat exchanger, and discharging the evaporated solvent-free concentrated solution;
the compressor is respectively communicated with the first heat exchanger and the second heat exchanger, the low-temperature heat exchange working medium in the first heat exchanger is heated and conveyed to the second heat exchanger through the compressor, and the high-temperature heat exchange working medium of the second heat exchanger flows back to the first heat exchanger.
2. The modular solvent evaporation system of claim 1, wherein the tube side of the second heat exchanger is fed with a liquid material containing a solvent, the liquid material is heated, the solvent is vaporized by the evaporation chamber and enters the shell side of the first heat exchanger, the evaporated solvent-free concentrated solution is discharged, and the tube side of the first heat exchanger and the shell side of the second heat exchanger are communicated with a compressor.
3. The modular solvent evaporation system of claim 2, further comprising a circulation pump between the second heat exchanger and the evaporation chamber, wherein the circulation pump is configured to circulate the liquid material in the second heat exchanger.
4. The modular solvent evaporation system of claim 1, wherein a solvent pump is disposed on the solvent storage tank, and a portion of the distillate solvent in the solvent storage tank is output by the solvent pump.
5. The modular solvent evaporation system of claim 1, wherein a feed pump is coupled to the evaporation chamber, the feed pump delivering the feed solvent to the evaporation chamber.
6. The modular solvent evaporation system of claim 5, wherein a pre-heater is further coupled to the evaporation chamber.
7. The modular solvent evaporation system of claim 6, wherein a liquid-vapor separator is further connected between the evaporation chamber and the first heat exchanger, and a purge pump is further connected to the evaporation chamber.
8. The modular solvent evaporation system of claim 1, further comprising an oil separator connected to the compressor.
9. The modular solvent evaporation system of claim 1, further comprising an expansion valve between the first heat exchanger and the second heat exchanger, wherein the second heat exchanger is connected to a discharge pump for discharging the concentrate.
10. The modular solvent evaporation system of any of claims 1-9, further comprising a PLC control cabinet for controlling the components.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921369497.9U CN210874134U (en) | 2019-08-22 | 2019-08-22 | Modular solvent evaporation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921369497.9U CN210874134U (en) | 2019-08-22 | 2019-08-22 | Modular solvent evaporation system |
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| CN210874134U true CN210874134U (en) | 2020-06-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110508016A (en) * | 2019-08-22 | 2019-11-29 | 无锡市海昌机械设备有限公司 | Modular solvent evaporation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110508016A (en) * | 2019-08-22 | 2019-11-29 | 无锡市海昌机械设备有限公司 | Modular solvent evaporation system |
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