CN215609363U - Energy-saving evaporation system - Google Patents
Energy-saving evaporation system Download PDFInfo
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- CN215609363U CN215609363U CN202122036304.1U CN202122036304U CN215609363U CN 215609363 U CN215609363 U CN 215609363U CN 202122036304 U CN202122036304 U CN 202122036304U CN 215609363 U CN215609363 U CN 215609363U
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Abstract
The utility model relates to an energy-saving evaporation system, which comprises a first preheating device, a second preheating device and an evaporation device, wherein the first preheating device is connected with the second preheating device; the first feed inlet of the first preheating device is used for introducing waste liquid, the first preheating device can heat the waste liquid and introduce the heated waste liquid into the second preheating device after the waste liquid is introduced, the second preheating device can reheat the heated waste liquid and introduce the reheated waste liquid into the evaporation device after the heated waste liquid is introduced, and the evaporation device can evaporate the reheated waste liquid after the reheated waste liquid is introduced; in addition, the evaporation plant still can let in first preheating device with the waste liquid steam that produces as the heat source to make first preheating device heat the waste liquid that lets in, and evaporation plant still can let in second preheating device with the outer steam condensate water that supplies that produces as the heat source, so that second preheating device heats the waste liquid that lets in once more, can improve the heat utilization ratio of outer steam that supplies through above-mentioned mode.
Description
Technical Field
The utility model relates to the technical field of evaporation devices, in particular to an energy-saving evaporation system.
Background
With the continuous development of the industrialization level, the waste liquid generated in the industrial production process is increased. Because the total amount of the waste liquid is large, the cost for directly purifying the waste liquid is high, and therefore the waste liquid is usually concentrated and then purified to reduce the treatment cost.
In patent CN201610366585.8, an evaporator is provided, which has a work flow of: the evaporation cylinder is heated by externally supplied steam, and then the waste liquid is concentrated by the heated evaporation cylinder.
Although the evaporator can complete the concentration treatment of the waste liquid, the evaporator does not recycle the waste liquid steam and the externally supplied steam condensate water (with higher heat) generated in the evaporation process, and the heat utilization rate is lower.
Therefore, an energy-saving evaporation system is needed to solve the problem of low heat utilization rate of the existing evaporation device.
SUMMERY OF THE UTILITY MODEL
In view of the above, there is a need to provide an energy-saving evaporation system to solve the problem of low heat utilization rate of the existing evaporation device.
In order to achieve the above object, the present invention provides an energy saving evaporation system, which comprises a first preheating device, a second preheating device and an evaporation device;
the first feed inlet of the first preheating device is used for introducing waste liquid, the first preheating device is used for heating the waste liquid and introducing the heated waste liquid into the second preheating device through the discharge port, the second preheating device is used for reheating the heated waste liquid and introducing the reheated waste liquid into the evaporation device through the discharge port, and the evaporation device is used for evaporating the reheated waste liquid;
the first discharge hole of the evaporation device is communicated with the second feed hole of the first preheating device so as to introduce the generated waste steam into the first preheating device, and the second discharge hole of the evaporation device is communicated with the second feed hole of the second preheating device so as to introduce the generated external steam condensate into the second preheating device.
Further, the first preheating device comprises a first heat exchange tube group and a first shell, the first heat exchange tube group is fixedly installed inside the first shell, a feed inlet of the first heat exchange tube group is a first feed inlet of the first preheating device, a discharge outlet of the first heat exchange tube group is a discharge outlet of the first preheating device, and a feed inlet of the first shell is a second feed inlet of the first preheating device.
Further, the second preheating device comprises a second heat exchange tube group and a second shell, the second heat exchange tube group is fixedly installed inside the second shell, a feed inlet of the second heat exchange tube group is a first feed inlet of the second preheating device, a discharge outlet of the second heat exchange tube group is a discharge outlet of the second preheating device, and a feed inlet of the second shell is a second feed inlet of the second preheating device.
Further, the evaporation device comprises a heating jacket and an evaporation cylinder, the heating jacket is sleeved outside the evaporation cylinder, a feed inlet of the evaporation cylinder is a feed inlet of the evaporation device, a discharge outlet of the evaporation cylinder is a first discharge outlet of the evaporation device, and a discharge outlet of the heating jacket is a second discharge outlet of the evaporation device.
Furthermore, the energy-saving evaporation device further comprises a liquid distributor, wherein the liquid distributor is fixedly arranged inside the evaporation cylinder and is positioned between the feeding hole and the discharging hole of the evaporation cylinder.
Furthermore, energy-conserving evaporation plant still includes actuating mechanism and the rotatory scraper blade of a plurality of, a plurality of rotatory scraper blade interval distribution is in the inside of evaporating cylinder, and be located the liquid distributor with between the discharge gate of evaporating cylinder, actuating mechanism's output and a plurality of rotatory scraper blade fixed connection, actuating mechanism is used for driving a plurality of rotatory scraper blade rotates.
Further, actuating mechanism includes driving piece and connecting rod, the output shaft of driving piece with the connection can be dismantled to the one end of connecting rod, the other end of connecting rod stretches into evaporation cylinder and a plurality of rotatory scraper blade fixed connection, the driving piece accessible the connecting rod drives a plurality of rotatory scraper blade rotates.
Further, the driving member is a motor.
Furthermore, energy-conserving vaporization system still includes the storage tank, the discharge gate of storage tank with first preheating device's first feed inlet intercommunication.
Furthermore, energy-conserving vaporization system still includes the charge pump, the discharge gate of storage tank with the feed inlet intercommunication of charge pump, the discharge gate of charge pump with first feed inlet intercommunication of first preheating device, the charge pump be used for with waste liquid lets in the storage tank first preheating device.
Compared with the prior art, the utility model provides an energy-saving evaporation system which comprises an evaporation device for evaporating waste liquid, a first preheating device and a second preheating device, wherein the first preheating device and the second preheating device can respectively collect waste liquid steam and externally supplied steam condensate water generated in the evaporation process and preheat the introduced waste liquid by using the waste liquid steam and the externally supplied steam condensate water as heat sources, so that the heat utilization rate of the externally supplied steam is improved, and the effect of saving energy is further achieved.
Drawings
FIG. 1 is a schematic structural diagram of a preferred embodiment of an energy-saving evaporation system provided by the present invention;
FIG. 2 is a schematic structural diagram of a preferred embodiment of a first preheating device in the energy-saving evaporation system provided by the present invention;
FIG. 3 is a schematic structural diagram of a preferred embodiment of a second preheating device in the energy-saving evaporation system provided by the present invention;
fig. 4 is a schematic structural diagram of a preferred embodiment of an evaporation device in the energy-saving evaporation system provided by the present invention.
Detailed Description
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate preferred embodiments of the utility model and together with the description, serve to explain the principles of the utility model and not to limit the scope of the utility model.
Referring to fig. 1, the present invention provides an energy saving evaporation system, which includes a first preheating device 1, a second preheating device 2 and an evaporation device 3, the discharge ports and the feed ports of the first preheating device 1, the second preheating device 2 and the evaporation device 3 are sequentially communicated, the first feed port of the first preheating device 1 is used for feeding waste liquid, after feeding waste liquid, the first preheating device 1 can heat the waste liquid under the action of a heat source and feed the heated waste liquid into the second preheating device 2 through the discharge port, after feeding the heated waste liquid, the second preheating device 2 can reheat the heated waste liquid under the action of the heat source and feed the reheated waste liquid into the evaporation device 3 through the feed port of the evaporation device 3, after the reheated waste liquid is introduced, the evaporation device 3 may evaporate the reheated waste liquid under the action of the heat source, and it should be noted that the evaporation device 3 further has another feeding port for inputting external steam as the heat source.
The first discharge hole of the evaporation device 3 is communicated with the second feed hole 13 of the first preheating device 1, so that waste liquid steam generated in the evaporation process is introduced into the first preheating device 1, and the waste liquid steam can be used as a heat source of the first preheating device 1 after being introduced into the first preheating device 1, so that the introduced waste liquid is heated. It should be noted that the first preheating device 1 further has another discharge port for discharging the cooled waste steam condensate.
And a second discharge hole of the evaporation device 3 is communicated with a second feed hole of the second preheating device 2, so that the externally supplied steam condensate generated in the evaporation process is introduced into the second preheating device 2, and the externally supplied steam condensate can be used as a heat source of the second preheating device 2 after being introduced into the second preheating device 2, so as to heat the introduced heated waste liquid again. It should be noted that the second preheating device 2 further has another discharge port for discharging the cooled steam condensate, and the evaporation device 3 further has a third discharge port for discharging the concentrated waste liquid.
It should be noted that the feed inlet and the discharge outlet between the first preheating device 1, the second preheating device 2 and the evaporation device 3 may be communicated through a pipeline to realize the flow of waste liquid or steam, while the flow of waste liquid between the first preheating device 1, the second preheating device 2 and the evaporation device 3 may be realized by additionally arranging a solution pump on the mutually communicated pipelines, or by setting a height difference between the devices, or by combining the two methods.
Compared with the prior art, the utility model provides an energy-saving evaporation system which comprises an evaporation device for evaporating waste liquid, a first preheating device and a second preheating device, wherein the first preheating device and the second preheating device can respectively collect waste liquid steam and externally supplied steam condensate water generated in the evaporation process and preheat the introduced waste liquid by using the waste liquid steam and the externally supplied steam condensate water as heat sources, so that the heat utilization rate of the externally supplied steam is improved, and the effect of saving energy is further achieved.
Referring to fig. 2, as a preferred embodiment, the first preheating device 1 includes a first heat exchange tube set 11 and a tubular first housing 12, the first heat exchange tube set 11 is fixedly installed inside the first housing 12, a feed inlet of the first heat exchange tube set 11 is a first feed inlet of the first preheating device 1 for introducing waste liquid, a discharge outlet of the first heat exchange tube set 11 is a discharge outlet of the first preheating device 1 for discharging heated waste liquid, a feed inlet of the first housing 12 is a second feed inlet of the first preheating device 1 for introducing waste liquid steam, and the waste liquid steam can heat the waste liquid in the first heat exchange tube set 11 after being introduced into the first housing 12. It should be noted that the first casing 12 should further have another discharge port for discharging the cooled waste steam condensate.
Referring to fig. 3, as a preferred embodiment, the second preheating device 2 includes a second heat exchange tube set 21 and a tubular second casing 22, the second heat exchange tube set 21 is fixedly installed inside the second casing 22, a feed inlet of the second heat exchange tube set 21 is a first feed inlet of the second preheating device 2 for feeding heated waste liquid, a discharge outlet of the second heat exchange tube set 21 is a discharge outlet of the second preheating device 2 for discharging reheated waste liquid, a feed inlet of the second casing 22 is a second feed inlet of the second preheating device 2 for feeding condensed water of external steam, and the waste liquid steam can reheat the waste liquid heated in the second heat exchange tube set 21 after being fed into the second casing 22. It should be noted that the first casing 12 should further have another discharge port for discharging the cooled external steam condensate.
Referring to fig. 4, as a preferred embodiment, the evaporation apparatus 3 includes a heating jacket 31 and an evaporation cylinder 32, the heating jacket 31 is sleeved outside the evaporation cylinder 32, the heating jacket 31 has a feeding port for introducing external steam, the evaporation cylinder 32 is heated after the external steam is introduced into the heating jacket 31, so that the evaporation cylinder 32 concentrates the introduced reheated waste liquid, the discharging port of the heating jacket 31 is the second discharging port of the evaporation apparatus 3, so as to discharge the external steam condensate water generated in the evaporation process, the feeding port of the evaporation cylinder 32 is the feeding port of the evaporation apparatus 3, so as to introduce the reheated waste liquid, the discharging port of the evaporation cylinder 32 is the first discharging port of the evaporation apparatus 3, so as to discharge the waste liquid steam generated in the evaporation process, it should be noted that, the evaporation cylinder 32 further has another discharge port (i.e. a third discharge port of the evaporation device 3) for discharging the concentrated waste liquid. Compared with other evaporation devices 3, the evaporation device 3 of the embodiment has a more compact structure and better evaporation effect.
With reference to fig. 4, as a preferred embodiment, the energy-saving evaporation apparatus 3 further includes a liquid distributor 33, the liquid distributor 33 is fixedly installed inside the evaporation cylinder 32 and located between the feeding port and the discharging port of the evaporation cylinder 32, and the liquid distributor 33 can uniformly distribute the introduced waste liquid to achieve a better evaporation effect.
With reference to fig. 4, as a preferred embodiment, the energy-saving evaporation apparatus 3 further includes a driving mechanism 34 and a plurality of rotating scrapers 35, the plurality of rotating scrapers 35 are distributed at intervals inside the evaporation cylinder 32 and located between the liquid distributor 33 and the discharge hole of the evaporation cylinder 32, the driving mechanism 34 includes a driving member 341 and a connecting rod 342, in this embodiment, the driving member 341 is a motor, the driving member 341 is fixedly installed at one end of the evaporation cylinder 32, an output shaft of the driving member 341 is detachably connected with one end of the connecting rod 342, the other end of the connecting rod 342 extends into the evaporation cylinder 32 and is fixedly connected with the plurality of rotating scrapers 35, the driving member 341 can drive the plurality of rotating scrapers 35 to rotate through the connecting rod 342, so that the introduced wastewater forms a rotationally descending film on the inner wall of the evaporation cylinder 32, thereby realizing better evaporation effect.
With reference to fig. 4, as a preferred embodiment, the energy-saving evaporation system further includes a storage tank 4, a discharge port of the storage tank 4 is communicated with the first feed port of the first preheating device 1 through a pipeline, and the storage tank 4 is used for storing waste liquid, so as to improve the capacity of the energy-saving evaporation system for containing waste water.
With reference to fig. 4, as a preferred embodiment, the energy-saving evaporation system further includes a feeding pump 5, a discharge port of the storage tank 4 is communicated with a feed port of the feeding pump 5 through a pipeline, a discharge port of the feeding pump 5 is communicated with the first feed port of the first preheating device 1 through a pipeline, and the feeding pump 5 can introduce the waste liquid in the storage tank 4 into the first preheating device 1.
In summary, the evaporation system comprises a first preheating device and a second preheating device except an evaporation device for evaporating the waste liquid, wherein the first preheating device and the second preheating device can collect the waste liquid steam and the externally supplied steam condensate water generated in the evaporation process respectively and preheat the introduced waste liquid as a heat source, so that the heat utilization rate of the externally supplied steam is improved, and the energy-saving effect is achieved.
Moreover, still have the interval among the evaporation plant and set up liquid distributor and the rotatory scraper blade in an evaporation section of thick bamboo, liquid distributor can be with the waste liquid evenly distributed who lets in, and rotatory scraper blade can make evenly distributed's waste liquid form the film of rotatory decline at an evaporation section of thick bamboo's inner wall under the drive of motor, can reach better evaporation effect with liquid distributor and rotatory scraper blade cooperation use.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (10)
1. An energy-saving evaporation system is characterized by comprising a first preheating device, a second preheating device and an evaporation device;
the first feed inlet of the first preheating device is used for introducing waste liquid, the first preheating device is used for heating the waste liquid and introducing the heated waste liquid into the second preheating device through the discharge port, the second preheating device is used for reheating the heated waste liquid and introducing the reheated waste liquid into the evaporation device through the discharge port, and the evaporation device is used for evaporating the reheated waste liquid;
the first discharge hole of the evaporation device is communicated with the second feed hole of the first preheating device so as to introduce the generated waste steam into the first preheating device, and the second discharge hole of the evaporation device is communicated with the second feed hole of the second preheating device so as to introduce the generated external steam condensate into the second preheating device.
2. The energy-saving evaporation system of claim 1, wherein the first preheating device comprises a first heat exchange tube set and a first shell, the first heat exchange tube set is fixedly installed inside the first shell, a feeding hole of the first heat exchange tube set is a first feeding hole of the first preheating device, a discharging hole of the first heat exchange tube set is a discharging hole of the first preheating device, and a feeding hole of the first shell is a second feeding hole of the first preheating device.
3. The energy-saving evaporation system of claim 1, wherein the second preheating device comprises a second heat exchange tube set and a second shell, the second heat exchange tube set is fixedly installed inside the second shell, a feeding hole of the second heat exchange tube set is a first feeding hole of the second preheating device, a discharging hole of the second heat exchange tube set is a discharging hole of the second preheating device, and a feeding hole of the second shell is a second feeding hole of the second preheating device.
4. The energy-saving evaporation system of claim 1, wherein the evaporation device comprises a heating jacket and an evaporation cylinder, the heating jacket is sleeved outside the evaporation cylinder, the feeding port of the evaporation cylinder is the feeding port of the evaporation device, the discharging port of the evaporation cylinder is the first discharging port of the evaporation device, and the discharging port of the heating jacket is the second discharging port of the evaporation device.
5. The energy-saving evaporation system of claim 4, wherein the energy-saving evaporation device further comprises a liquid distributor, and the liquid distributor is fixedly installed inside the evaporation cylinder and is located between the feeding port and the discharging port of the evaporation cylinder.
6. The energy-saving evaporation system of claim 5, further comprising a driving mechanism and a plurality of rotary scrapers, wherein the plurality of rotary scrapers are spaced inside the evaporation cylinder and located between the liquid distributor and the discharge port of the evaporation cylinder, an output end of the driving mechanism is fixedly connected to the plurality of rotary scrapers, and the driving mechanism is configured to drive the plurality of rotary scrapers to rotate.
7. The energy-saving evaporation system of claim 6, wherein the driving mechanism comprises a driving member and a connecting rod, an output shaft of the driving member is detachably connected to one end of the connecting rod, the other end of the connecting rod extends into the evaporation cylinder and is fixedly connected to the plurality of rotary scrapers, and the driving member can drive the plurality of rotary scrapers to rotate through the connecting rod.
8. The economized evaporation system of claim 7, wherein said drive is an electric motor.
9. The energy-saving evaporation system of claim 1, further comprising a storage tank, wherein a discharge port of the storage tank is communicated with the first feed port of the first preheating device.
10. The energy-saving evaporation system of claim 9, further comprising a feed pump, wherein the discharge port of the storage tank is communicated with the feed port of the feed pump, the discharge port of the feed pump is communicated with the first feed port of the first preheating device, and the feed pump is configured to introduce the waste liquid in the storage tank into the first preheating device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122036304.1U CN215609363U (en) | 2021-08-26 | 2021-08-26 | Energy-saving evaporation system |
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| CN202122036304.1U CN215609363U (en) | 2021-08-26 | 2021-08-26 | Energy-saving evaporation system |
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| CN215609363U true CN215609363U (en) | 2022-01-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114522436A (en) * | 2022-04-01 | 2022-05-24 | 西南化工研究设计院有限公司 | System and process for recycling ethylene glycol from deicing waste liquid |
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- 2021-08-26 CN CN202122036304.1U patent/CN215609363U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114522436A (en) * | 2022-04-01 | 2022-05-24 | 西南化工研究设计院有限公司 | System and process for recycling ethylene glycol from deicing waste liquid |
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