CN213253051U - Waste heat utilization distillation plant - Google Patents
Waste heat utilization distillation plant Download PDFInfo
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- CN213253051U CN213253051U CN202021622431.9U CN202021622431U CN213253051U CN 213253051 U CN213253051 U CN 213253051U CN 202021622431 U CN202021622431 U CN 202021622431U CN 213253051 U CN213253051 U CN 213253051U
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- distilled water
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- waste heat
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Abstract
The utility model discloses a waste heat utilization distillation device, which comprises a heat pump component and a distillation component, wherein the heat pump component comprises an evaporator, a refrigerant compressor, a condenser and a throttling device which are sequentially connected through refrigerant pipelines to form a refrigerant loop; the distillation subassembly includes the distillation chamber, and the distillation chamber is equipped with steam access, circulating water circuit, concentrate export and distilled water export, is equipped with the circulating pump on the circulating water circuit, and circulating water circuit is equipped with vapor compressor through the condenser on the steam access, is equipped with the heat exchanger in the distillation chamber, and the import and the steam access of heat exchanger are connected, the export and the distilled water exit linkage of heat exchanger, and the distilled water export is equipped with distilled water pipeline, and distilled water pipeline passes through the evaporimeter. The distilled water further releases heat when flowing through the evaporator, and is utilized to the circulating water loop by the heat pump unit, so that the waste heat of the distilled water is recycled, the energy consumption is reduced, and the heat consumption cost is reduced. Meanwhile, the waiting time for cooling the distilled water can be reduced, and the canning efficiency is improved.
Description
Technical Field
The utility model is used for distilled water preparation technical field especially relates to a waste heat utilization distillation plant.
Background
Distillation is a thermodynamic separation process, which utilizes the difference in boiling point of each component in a mixed liquid, and the operation process of separating the whole components by evaporating and condensing low-boiling components comprises two operations of evaporation and condensation. Most commonly, the water in solution is evaporated and condensed. Because the liquid water can only be naturally evaporated on the water surface when the liquid water is lower than the boiling point, and the speed is slow; during boiling evaporation, liquid is in a boiling state, evaporation not only occurs on the surface, but also occurs inside, and the evaporation speed of liquid water is far higher than that of natural evaporation. Thus, distillation processes often require boiling evaporation of liquid water.
In the prior art, a distillation device mostly adopts an MVR technology to recover secondary steam, so that the dependence of the traditional multiple-effect evaporation technology on a steam boiler is eliminated, and the consumption and energy consumption of a cooling tower and cooling water are avoided. But the MVR technique still has the problem that energy consumption is big, with high costs of heat, and in addition, the distilled water temperature that condenses out is higher, needs longer time to cool it the rear can pack, influences work efficiency.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a waste heat utilization distillation plant, its waste heat that can cyclic utilization distilled water reduces energy consumption, reduces the heat cost, reduces the latency of distilled water cooling, improves work efficiency.
The utility model provides a technical scheme that its technical problem adopted is:
a waste heat utilization distillation device comprises
The evaporator, the refrigerant compressor, the condenser and the throttling device are sequentially connected through refrigerant pipelines to form a refrigerant loop;
the distillation assembly comprises a distillation chamber, the distillation chamber is provided with a steam passage, a circulating water loop, a concentrated solution outlet and a distilled water outlet, the circulating water loop is provided with a circulating pump, the circulating water loop passes through the condenser, the steam passage is provided with a steam compressor, the distillation chamber is provided with a heat exchanger, an inlet of the heat exchanger is connected with the steam passage, an outlet of the heat exchanger is connected with a distilled water outlet, the distilled water outlet is provided with a distilled water pipeline, and the distilled water pipeline passes through the evaporator.
In combination with the above implementation, in some implementations of the present invention, an auxiliary heater is further disposed in the distillation chamber.
In combination with the above implementation manner, in certain implementation manners of the present invention, a spraying device is further disposed in the distillation chamber, and the spraying device is connected to an outlet of the circulating water loop.
In combination with the above-mentioned implementation, in certain implementations of the present invention, the outlet of the distilled water pipeline is connected to the distilled water storage device.
In combination with the above implementation manner, the utility model discloses an in some implementation manners, the concentrate export is equipped with the concentrate pipeline, be equipped with the water pump on the concentrate pipeline, the exit linkage concentrate storage device of concentrate pipeline.
In combination with the above implementation manners, in certain implementation manners of the present invention, the distillation chamber is connected to the air outlet pipeline, and the air outlet pipeline is provided with the vacuum pump and the one-way valve.
In combination with the above implementation manner, the utility model discloses an in some implementation manners, still include the raw materials liquid pump, the raw materials liquid pump be used for to pump sending raw materials liquid in the distillation chamber.
One of the above technical solutions has at least one of the following advantages or beneficial effects: steam generated in the distillation chamber enters the steam compressor through the steam passage to become high-temperature high-pressure steam, then flows into the heat exchanger, the high-temperature steam flowing through the heat exchanger exchanges heat with raw material liquid outside the heat exchanger to heat the raw material liquid, the steam in the heat exchanger is condensed into distilled water, the distilled water further releases heat when flowing through the evaporator, and the distilled water is utilized to the circulating water loop by the heat pump unit, so that the recycling of the waste heat of the distilled water is realized, the energy consumption is reduced, and the heat consumption cost is reduced. Meanwhile, the waiting time for cooling the distilled water can be reduced, and the canning efficiency is improved.
Drawings
The present invention will be further explained with reference to the accompanying drawings:
fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the present invention, if there is a description of directions (up, down, left, right, front and back), it is only for convenience of description of the technical solution of the present invention, and it is not intended to indicate or imply that the technical features indicated must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the utility model, the meaning of a plurality of is one or more, the meaning of a plurality of is more than two, and the meaning of more than two is understood as not including the number; the terms "above", "below", "within" and the like are understood to include the instant numbers. In the description of the present invention, if there is any description of "first" and "second" only for the purpose of distinguishing technical features, it is not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.
In the present invention, unless otherwise explicitly defined, the terms "set", "install", "connect", and the like are to be understood in a broad sense, and for example, may be directly connected or may be indirectly connected through an intermediate medium; can be fixedly connected, can also be detachably connected and can also be integrally formed; may be mechanically coupled, may be electrically coupled or may be capable of communicating with each other; either as communication within the two elements or as an interactive relationship of the two elements. The technical skill in the art can reasonably determine the specific meaning of the above words in the present invention by combining the specific contents of the technical solution.
Referring to fig. 1, an embodiment of the present invention provides a waste heat utilization distillation apparatus, including a heat pump assembly and a distillation assembly, the distillation assembly is used for producing distilled water and concentrated solution, and the heat pump assembly is used for absorbing waste heat of distilled water to recycle in the distillation process. The heat pump assembly comprises an evaporator 1, a refrigerant compressor 2, a condenser 3 and a throttling device 4 which are sequentially connected through refrigerant pipelines to form a refrigerant loop. The working principle of the refrigerant loop is as follows: when the refrigerant flows through the evaporator 1, the refrigerant absorbs heat in the evaporator 1, then is changed into a high-temperature and high-pressure refrigerant through the refrigerant compressor 2, then flows into the condenser 3 and releases heat to be changed into a low-temperature refrigerant, finally flows through the throttling device 4 and returns to the evaporator 1 for heat exchange, and the cycle work is carried out.
Referring to fig. 1, the distillation assembly includes a distillation chamber 5, the distillation chamber 5 is provided with a steam passage 51, a circulating water loop 52, a concentrated solution outlet and a distilled water outlet, the steam passage 51 is provided with a steam compressor 53, the distillation chamber 5 is provided with a heat exchanger 54, an inlet of the heat exchanger 54 is connected with the steam passage 51, the steam in the distillation chamber 5 is sucked by the steam compressor 53 and then changed into high-temperature steam, the high-temperature steam flows into the heat exchanger 54 from the steam passage 51, the raw material liquid outside the heat exchanger 54 absorbs heat of the steam in the heat exchanger 54, the steam in the heat exchanger 54 is condensed into distilled water, and the heating of the raw material liquid inside the distillation chamber 5 is completed.
The outlet of the heat exchanger 54 is connected with a distilled water outlet, the distilled water outlet is provided with a distilled water pipeline 55, the distilled water pipeline 55 passes through the evaporator 1, the distilled water flows into the distilled water pipeline 55 through the distilled water outlet, and exchanges heat with the refrigerant in the refrigerant loop through the evaporator 1, so that the refrigerant can absorb the heat of the distilled water when flowing through the evaporator 1, the waste heat of the distilled water is recovered, and the time for cooling the distilled water is shortened. The circulating water loop 52 is provided with a circulating pump 56, and the circulating water loop 52 passes through the condenser 3. The circulating pump 56 pumps the raw material liquid in the distillation chamber 5 to the circulating water loop 52, the raw material liquid flows through the condenser 3 to exchange heat with the refrigerant in the refrigerant loop so as to absorb the heat released by the refrigerant, and the heated raw material pump flows back to the distillation chamber 5 along the circulating water loop 52 to complete the waste heat utilization of the distilled water, thereby reducing the heat consumption required by evaporation in the distillation process and reducing the heat consumption cost.
Referring to fig. 1, steam generated in the distillation chamber 5 enters the steam compressor 53 through the steam passage 51 to become high-temperature high-pressure steam, and then flows into the heat exchanger 54, the high-temperature steam flowing through the heat exchanger 54 exchanges heat with raw material liquid outside the heat exchanger 54 to heat the raw material liquid, the steam in the heat exchanger 54 is condensed into distilled water, the distilled water further releases heat when flowing through the evaporator 1, and the distilled water is utilized to the circulating water loop 52 by the heat pump unit, so that the waste heat of the distilled water is recycled, the energy consumption is reduced, and the heat consumption cost is reduced. Meanwhile, the waiting time for cooling the distilled water can be reduced, and the canning efficiency is improved.
Referring to fig. 1, in some embodiments, an auxiliary heater 6 is further disposed in the distillation chamber 5, and at the beginning of the distillation operation, the auxiliary heater 6 is used to heat the raw material liquid, so that after the steam is generated, the steam compressor 53 and the heat exchanger 54 are used to complete the operation of recycling the heat of the steam, so as to heat the raw material liquid by using the heat of the steam itself. In addition, when the heat of the steam cannot meet the heating and evaporation work of the raw material liquid, the auxiliary heater 6 can also achieve the purpose of auxiliary heating, and the smooth proceeding of the evaporation work is ensured. It is to be understood that the auxiliary heater 6 may employ an electric heater, a heat pump heater, an oil tank heater, a steam heater, or the like.
Referring to fig. 1, in some embodiments, a spraying device 7 is further disposed in the distillation chamber 5, the spraying device 7 is connected to an outlet of the circulating water loop 52, the raw material liquid is heated by the condenser 3 in the refrigerant loop and then flows to the spraying device 7 along the circulating water loop 52, and the spraying device 7 can spray the raw material liquid absorbing heat into the distillation chamber 5, so as to achieve the purpose of waste heat utilization.
By utilizing the characteristic that the evaporation temperature is obviously reduced along with the reduction of the vacuum pressure, referring to fig. 1, in some embodiments, the distillation chamber 5 is connected with an air outlet pipeline, and a vacuum pump 57 and a one-way valve 58 are arranged on the air outlet pipeline. By providing the vacuum pump 57 and the check valve 58, a negative pressure is generated in the distillation chamber 5, so that the boiling point of the raw material liquid can be lowered and the evaporation can be accelerated. In addition, the vacuum pump 57 can also pump out the non-condensable gas generated in the evaporation process out of the distillation chamber 5, so that the evaporation work is ensured to be carried out smoothly, and the evaporation efficiency is improved.
Referring to fig. 1, in some embodiments, an outlet of the distilled water pipe 55 is connected to the distilled water storage device 8 to store distilled water. The steam forms higher-temperature distilled water after being condensed, and the distilled water flows through the distilled water pipeline 55 and releases heat in the evaporator 1 of the refrigerant loop, so that the temperature of the distilled water and the waiting time of canning are reduced, and the working efficiency is improved.
Referring to fig. 1, in some embodiments, the concentrate outlet is provided with a concentrate line, the concentrate line is provided with a water pump 91, and the outlet of the concentrate line is connected to a concentrate storage device 92. The water pump 91 pumps the concentrated solution distilled in the distillation chamber 5 to the concentrated solution storage device 92 for storage, so as to ensure the smooth separation of water in the raw material liquid.
Referring to fig. 1, in some embodiments, the residual heat utilization distillation apparatus further includes a raw material liquid pump 93, and the raw material liquid pump 93 is used for pumping the raw material liquid into the distillation chamber 5 to ensure that the raw material liquid in the distillation chamber 5 can be supplied in time.
In the description herein, references to the description of the term "example," "an embodiment," or "some embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The invention is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.
Claims (7)
1. A waste heat utilization distillation plant which is characterized in that: comprises that
The heat pump assembly comprises an evaporator, a refrigerant compressor, a condenser and a throttling device which are sequentially connected through refrigerant pipelines to form a refrigerant loop;
the distillation assembly comprises a distillation chamber, the distillation chamber is provided with a steam passage, a circulating water loop, a concentrated solution outlet and a distilled water outlet, the circulating water loop is provided with a circulating pump, the circulating water loop passes through the condenser, the steam passage is provided with a steam compressor, the distillation chamber is provided with a heat exchanger, an inlet of the heat exchanger is connected with the steam passage, an outlet of the heat exchanger is connected with a distilled water outlet, the distilled water outlet is provided with a distilled water pipeline, and the distilled water pipeline passes through the evaporator.
2. The waste heat utilization distillation apparatus according to claim 1, wherein: an auxiliary heater is also arranged in the distillation chamber.
3. The waste heat utilization distillation apparatus according to claim 1, wherein: and a spraying device is also arranged in the distillation chamber and is connected with an outlet of the circulating water loop.
4. The waste heat utilization distillation apparatus according to claim 1, wherein: and the outlet of the distilled water pipeline is connected with a distilled water storage device.
5. The waste heat utilization distillation apparatus according to claim 1, wherein: the concentrate export is equipped with the concentrate pipeline, be equipped with the water pump on the concentrate pipeline, the exit linkage concentrate storage device of concentrate pipeline.
6. The waste heat utilization distillation apparatus according to claim 1, wherein: the distillation chamber is connected with an air outlet pipeline, and a vacuum pump and a one-way valve are arranged on the air outlet pipeline.
7. The waste heat utilization distillation apparatus according to claim 1, wherein: the distillation chamber is used for storing raw material liquid, and the raw material liquid pump is used for pumping the raw material liquid into the distillation chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021622431.9U CN213253051U (en) | 2020-08-06 | 2020-08-06 | Waste heat utilization distillation plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021622431.9U CN213253051U (en) | 2020-08-06 | 2020-08-06 | Waste heat utilization distillation plant |
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| CN213253051U true CN213253051U (en) | 2021-05-25 |
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| CN202021622431.9U Active CN213253051U (en) | 2020-08-06 | 2020-08-06 | Waste heat utilization distillation plant |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113750556A (en) * | 2021-09-24 | 2021-12-07 | 李媛 | Efficient distillation system and distillation method |
| CN116284209A (en) * | 2023-04-23 | 2023-06-23 | 宁安市粮油淀粉机械制造有限公司 | Complete equipment for extracting soluble proteins of potatoes |
-
2020
- 2020-08-06 CN CN202021622431.9U patent/CN213253051U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113750556A (en) * | 2021-09-24 | 2021-12-07 | 李媛 | Efficient distillation system and distillation method |
| CN116284209A (en) * | 2023-04-23 | 2023-06-23 | 宁安市粮油淀粉机械制造有限公司 | Complete equipment for extracting soluble proteins of potatoes |
| CN116284209B (en) * | 2023-04-23 | 2023-10-03 | 宁安市粮油淀粉机械制造有限公司 | Complete equipment for extracting soluble proteins of potatoes |
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