CN210186461U - Vacuum device for evaporation system - Google Patents
Vacuum device for evaporation system Download PDFInfo
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- CN210186461U CN210186461U CN201920902670.0U CN201920902670U CN210186461U CN 210186461 U CN210186461 U CN 210186461U CN 201920902670 U CN201920902670 U CN 201920902670U CN 210186461 U CN210186461 U CN 210186461U
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Abstract
The utility model relates to a vacuum apparatus for evaporating system, include: the system comprises a heat exchange device, a vacuum cooling heat exchanger, a vacuum water tank and a water ring vacuum pump; an air inlet is formed in the upper end of the heat exchange device; the heat exchange device is provided with a refrigerating circulation liquid outlet; a freezing circulating liquid outlet pipeline is arranged on the freezing circulating liquid outlet; the tail end of the refrigerating circulation liquid outlet pipeline is connected with the vacuum cooling heat exchanger; the vacuum cooling heat exchanger is provided with a connecting pipeline; the tail end of the connecting pipeline is connected with the vacuum water tank; the water ring vacuum pump is provided with a vacuum pump pipeline and a transmission pipeline; the vacuum pump pipeline is connected with the heat exchange device; the end of the transmission pipeline is connected with the vacuum water tank. The utility model discloses a set up heat transfer device and vacuum cooling heat exchanger, guaranteed the cooling effect to noncondensable gas, and guaranteed the vacuum of cooling in-process to through the effect of vacuum water pitcher and water ring vacuum pump, further guarantee the vacuum in the course of the work, improved the working effect.
Description
Technical Field
The utility model relates to an evaporating system's field especially relates to a vacuum apparatus for evaporating system.
Background
The evaporator heats the solution containing the non-volatile solute to boiling condition by means of heat exchange, so that part of the solvent is vaporized and removed, thereby increasing the concentration of the solute in the solvent. The driving force of the heat exchange in the system is the temperature difference, namely the temperature difference between the heating source and the heated source, the lower the temperature of the heated section is, the more beneficial the heat exchange of the system is, the heat exchange area can be reduced, the one-time investment of equipment can be reduced, and the operation flexibility of the system can be increased. The limit vacuum degree of a vacuum device of a traditional evaporation system is low, structural limitation is not only received, but also the limitation of working saturated vapor pressure is received, the flow opening is excessively arranged, and the vacuum effect is poor. Therefore, it is necessary to provide a vacuum device for an evaporation system, which can cool down, operate stably and improve the vacuum degree.
Disclosure of Invention
The to-be-solved problem of the utility model is to provide a vacuum apparatus for evaporating system that can cool off, job stabilization, can improve vacuum again.
In order to guarantee in the use, can guarantee job stabilization, the utility model relates to a vacuum apparatus for evaporating system, include:
the system comprises a heat exchange device, a vacuum cooling heat exchanger, a vacuum water tank and a water ring vacuum pump;
an air inlet is formed in the upper end of the heat exchange device; the heat exchange device is provided with a refrigerating circulation liquid outlet; a freezing circulating liquid outlet pipeline is arranged on the freezing circulating liquid outlet; the tail end of the refrigerating circulation liquid outlet pipeline is connected with the vacuum cooling heat exchanger; the vacuum cooling heat exchanger is provided with a connecting pipeline; the tail end of the connecting pipeline is connected with the vacuum water tank; the water ring vacuum pump is provided with a vacuum pump pipeline and a transmission pipeline; the vacuum pump pipeline is connected with the heat exchange device; the tail end of the transmission pipeline is connected with the vacuum water tank.
The beneficial effects of the utility model are that, through setting up heat transfer device and vacuum cooling heat exchanger, guaranteed the cooling effect to noncondensable gas, and guaranteed the vacuum of cooling in-process to through the effect of vacuum water pitcher and water ring vacuum pump, further guaranteed the vacuum in the course of the work, improved working effect.
Furthermore, a refrigeration circulating liquid inlet is arranged on the heat exchange device; a freezing circulating liquid circulation pipeline is arranged on the freezing circulating liquid inlet; one end of the freezing circulation liquid circulation pipeline is connected with the vacuum cooling heat exchanger. And the cooling is synchronously performed by matching the action of the refrigeration circulating liquid with a vacuum cooling heat exchanger.
Furthermore, a pipeline control valve is arranged on the refrigerating circulation liquid circulation pipeline; and a freezing circulating liquid inlet pipeline is arranged on the pipeline control valve. The pipeline control valve is used for controlling the freezing circulating liquid inlet pipeline, so that the circulation of the freezing circulating liquid is ensured, and the working stability is ensured.
Further, a liquid storage tank is arranged at the lower end of the heat exchange device; the lower end of the liquid storage tank is provided with a negative pressure pump liquid outlet; and the upper end of the liquid storage tank is provided with an air exhaust port. The non-condensable gas which is from the evaporation system and carries condensable water is condensed after heat exchange of the heat exchange device, falls to the liquid storage tank under the action of gravity, and is discharged from the liquid discharge port of the negative pressure pump through the negative pressure pump.
Furthermore, a second pipeline control valve is arranged on the freezing circulating liquid outlet pipeline; and a cooling circulating liquid discharge pipeline is arranged on the second pipeline control valve. Through the effect of second pipeline control valve, guarantee refrigeration circulation liquid exhaust stability, through its control, can guarantee the effect of vacuum, also can guarantee the cooling effect of refrigeration circulation liquid.
Further, a transition pipeline is arranged on the vacuum cooling heat exchanger; the tail end of the transition pipeline is connected with the water ring vacuum pump. Through the transition pipeline, can transmit the liquid in the transition pipeline to the water ring vacuum pump in, and then supply because of the water ring vacuum pump claps out the water loss of gas outflow exhaust hole along with gas when gaseous, such setting is also further guaranteed vacuum, avoids setting up a water inlet again.
Furthermore, a vertical tube-in-tube heat exchanger is arranged on the heat exchange device. Through setting up vertical tube heat exchanger, but the shell becomes to walk the water that can condense that the noncondensable gas that draws from the vaporization system contains, and the refrigeration circulating water is walked to the tube side, carries out cooling treatment in step.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, 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 according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a vacuum device for an evaporation system according to the present invention.
The corresponding part names indicated by the numbers in the figures:
1. a heat exchange device; 2. a vacuum cooling heat exchanger; 3. a vacuum water tank; 4. a water ring vacuum pump; 5. an air inlet; 6. a refrigeration cycle fluid outlet; 7. a refrigeration cycle fluid outlet conduit; 8. connecting a pipeline; 9. a vacuum pump conduit; 10. a transport pipeline; 11. a refrigeration cycle fluid inlet; 12. a refrigeration cycle fluid circulation line; 13. a pipeline control valve; 14. a refrigeration cycle fluid inlet conduit; 15. a liquid storage tank; 16. a negative pressure pump liquid outlet; 17. an air extraction opening; 18. a second pipe control valve; 19. a cooling circulation liquid discharge pipe; 20. a transition duct; 21. a vertical tube-in-tube heat exchanger.
Detailed Description
The following detailed description is made in conjunction with specific embodiments of the present invention:
the to-be-solved problem of the utility model is to provide a vacuum apparatus for evaporating system that can cool off, job stabilization, can improve vacuum again.
As shown in fig. 1, in order to ensure that the operation is stable during the use, the utility model relates to a vacuum device for an evaporation system, which comprises:
the device comprises a heat exchange device 1, a vacuum cooling heat exchanger 2, a vacuum water tank 3 and a water ring vacuum pump 4;
the upper end of the heat exchange device 1 is provided with an air inlet 5; a refrigerating circulation liquid outlet 6 is arranged on the heat exchange device 1; a freezing circulating liquid outlet pipeline 7 is arranged on the freezing circulating liquid outlet 6; the tail end of the refrigerating circulation liquid outlet pipeline 7 is connected with the vacuum cooling heat exchanger 2; the vacuum cooling heat exchanger 2 is provided with a connecting pipeline 8; the tail end of the connecting pipeline 8 is connected with the vacuum water tank 3; the water ring vacuum pump 4 is provided with a vacuum pump pipeline 9 and a transmission pipeline 10; the vacuum pump pipeline 9 is connected with the heat exchange device 1; the end of the transmission pipeline 10 is connected with the vacuum water tank 3.
The beneficial effects of the utility model are that, through setting up heat transfer device 2 and vacuum cooling heat exchanger 3, guaranteed the cooling effect to noncondensable gas, and guaranteed the vacuum of cooling in-process to through vacuum water pitcher 3 and water ring vacuum pump 4's effect, further assurance the vacuum in the working process, improved working effect.
Further, a refrigeration circulating liquid inlet 11 is arranged on the heat exchange device 1; a freezing circulating liquid circulating pipeline 12 is arranged on the freezing circulating liquid inlet 11; one end of the freezing circulation liquid circulation pipeline 12 is connected with the vacuum cooling heat exchanger 2. And the cooling is synchronously performed by matching the action of the refrigeration circulating liquid with the vacuum cooling heat exchanger 2.
Further, a pipeline control valve 13 is arranged on the refrigerating circulation liquid circulation pipeline 12; the pipeline control valve 13 is provided with a freezing circulating liquid inlet pipeline 14. The pipeline control valve 13 controls the freezing circulating liquid inlet pipeline 14, so that the circulation of the freezing circulating liquid is ensured, and the working stability is ensured.
Further, a liquid storage tank 15 is arranged at the lower end of the heat exchange device 1; the lower end of the liquid storage tank 15 is provided with a negative pressure pump liquid outlet 16; and the upper end of the liquid storage tank 15 is provided with an air pumping hole 17. The non-condensable gas which is from the evaporation system and carries condensable water is condensed after heat exchange of the heat exchange device 1, falls to the liquid storage tank 15 under the action of gravity, and is discharged from the liquid discharge port 16 of the negative pressure pump through the negative pressure pump.
Further, a second pipeline control valve 18 is arranged on the refrigerating cycle liquid outlet pipeline 7; the second pipe control valve 18 is provided with a cooling circulation liquid discharge pipe 19. The discharge stability of the refrigeration circulating liquid is ensured through the action of the second pipeline control valve 18, and the control can ensure the effect of vacuum degree and the cooling effect of the refrigeration circulating liquid.
Further, a transition pipeline 20 is arranged on the vacuum cooling heat exchanger 2; the end of the transition pipeline 20 is connected with the water ring vacuum pump 4. Through transition pipeline 20, can transmit the liquid in the transition pipeline 20 to in the water ring vacuum pump 4, and then supply because of the water loss of 4 exhaust gas of water ring vacuum pump along with the gas outflow exhaust hole during exhaust, such setting has also further guaranteed vacuum, avoids setting up a water inlet again.
Further, a vertical tube-and-tube heat exchanger 21 is arranged on the heat exchange device 1. Through setting up vertical shell and tube heat exchanger 21, the shell becomes to walk the condensable water that the noncondensable gas that draws from the vaporization system contains, and the refrigeration circulating water is walked to the tube side, carries out the cooling treatment in step.
In actual operation, the non-condensable gas inlet that the vaporization system came is connected with extraction opening 17, and heat transfer device 1's top is equipped with air inlet 5, is equipped with vertical tubular heat exchanger 21 in heat transfer device 1, and the shell becomes to walk the condensable water that the non-condensable gas that draws from the vaporization system contained, and the refrigeration circulating water is walked to the tube side, and the bottom is the comdenstion water and deposits the fluid reservoir. After heat exchange, the condensable water is condensed by the heat exchange of the non-condensable gas carrying the condensable water from the evaporation system, the condensed water falls to the liquid storage tank 15 under the action of gravity, the non-condensable gas is discharged from the system through the negative pressure pump from the liquid discharge port 16 of the negative pressure pump, and the temperature of the working fluid in the water ring vacuum pump 4 is also reduced, so that the temperature of the working fluid is not increased; in addition, the working liquid of the water ring vacuum pump 4 uses chilled water as a cooling medium, so that the limit of the saturated working vapor pressure can be solved, the ultimate vacuum degree can be greatly improved, the heat exchange temperature difference is enlarged, the operation elasticity of the system is improved, and the equipment investment is reduced. And the refrigerating circulation liquid outlet pipeline 7, the refrigerating circulation liquid circulation pipeline 12, the connecting pipeline 8 and the transition pipeline 20 are in a communicated state in the vacuum cooling heat exchanger 2, so that the circulating use of the refrigerating circulation liquid and the cooling liquid is further ensured.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A vacuum device for an evaporation system is characterized by comprising a heat exchange device, a vacuum cooling heat exchanger, a vacuum water tank and a water ring vacuum pump;
an air inlet is formed in the upper end of the heat exchange device; the heat exchange device is provided with a refrigerating circulation liquid outlet; a freezing circulating liquid outlet pipeline is arranged on the freezing circulating liquid outlet; the tail end of the refrigerating circulation liquid outlet pipeline is connected with the vacuum cooling heat exchanger; the vacuum cooling heat exchanger is provided with a connecting pipeline; the tail end of the connecting pipeline is connected with the vacuum water tank; the water ring vacuum pump is provided with a vacuum pump pipeline and a transmission pipeline; the vacuum pump pipeline is connected with the heat exchange device; the tail end of the transmission pipeline is connected with the vacuum water tank.
2. The vacuum device for an evaporation system according to claim 1, wherein: the heat exchange device is provided with a refrigeration circulating liquid inlet; a freezing circulating liquid circulation pipeline is arranged on the freezing circulating liquid inlet; one end of the freezing circulation liquid circulation pipeline is connected with the vacuum cooling heat exchanger.
3. The vacuum device for an evaporation system according to claim 2, wherein: a pipeline control valve is arranged on the freezing circulating liquid circulation pipeline; and a freezing circulating liquid inlet pipeline is arranged on the pipeline control valve.
4. The vacuum device for an evaporation system according to claim 1, wherein: the lower end of the heat exchange device is provided with a liquid storage tank; the lower end of the liquid storage tank is provided with a negative pressure pump liquid outlet; and the upper end of the liquid storage tank is provided with an air exhaust port.
5. The vacuum device for an evaporation system according to claim 1, wherein: a second pipeline control valve is arranged on the freezing circulating liquid outlet pipeline; and a cooling circulating liquid discharge pipeline is arranged on the second pipeline control valve.
6. The vacuum device for an evaporation system according to claim 1, wherein: a transition pipeline is arranged on the vacuum cooling heat exchanger; the tail end of the transition pipeline is connected with the water ring vacuum pump.
7. The vacuum device for an evaporation system according to claim 1, wherein: and the heat exchange device is provided with a vertical tube-in-tube heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920902670.0U CN210186461U (en) | 2019-06-17 | 2019-06-17 | Vacuum device for evaporation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920902670.0U CN210186461U (en) | 2019-06-17 | 2019-06-17 | Vacuum device for evaporation system |
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| CN210186461U true CN210186461U (en) | 2020-03-27 |
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| CN201920902670.0U Active CN210186461U (en) | 2019-06-17 | 2019-06-17 | Vacuum device for evaporation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112451982A (en) * | 2020-12-02 | 2021-03-09 | 复旦大学 | Evaporation equipment for removing organic solvent in fluid |
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2019
- 2019-06-17 CN CN201920902670.0U patent/CN210186461U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112451982A (en) * | 2020-12-02 | 2021-03-09 | 复旦大学 | Evaporation equipment for removing organic solvent in fluid |
| CN112451982B (en) * | 2020-12-02 | 2021-08-13 | 复旦大学 | Evaporation equipment for removing organic solvent in fluid |
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