TWI834218B - liquid handling system - Google Patents

Abstract

An airflow guiding device and manufacturing equipment are provided. The airflow guide device is for use with a machine table, where the machine table has a top opening. The airflow guide device includes a housing, an air inlet, an air outlet, and an airflow guide part. The housing has an interior space. The air inlet is provided on the casing, and the airflow enters the internal space from the side direction relative to the machine. The air outlet is arranged at a position other than the air inlet on the casing, and the air outlet can be connected to the top opening to allow the airflow to leave the internal space through the air outlet and enter the machine. The airflow guide part is arranged in the casing, and at least partially extends sideways from the direction perpendicular to the air inlet. Manufacturing equipment includes airflow guide devices and machines.

Description

liquid handling system

The present invention relates to liquid treatment systems, and in particular to treatment systems for concentrating wastewater by distillation.

Distillers are widely used in the concentration treatment of wastewater, and are paired with steam compressors to recover heat energy using Mechanical Vapor Recompression (MVR) technology to improve energy efficiency.

In the conventional technology, the liquid in the still is heated and evaporates into steam, and is replenished into the still when the amount of liquid falls below a certain level. However, general distillers are mostly designed as horizontal shell and tube heat exchangers, tube distillers or jacketed distillers. After the water is vaporized in the distiller, the substances originally remaining in the water are easy to scale and adhere to the heat. On the exchange surface, the heat exchange efficiency is reduced and the energy recovery is not as expected, and a large amount of steam must be added to make up for it. In addition, due to insufficient steam production, the steam compressor is in an unfavorable working environment, resulting in an increased chance of damage to the steam compressor. In the conventional technology, the steam generated by the boiler is usually used to supplement the pipeline between the steam compressor and the distiller. Due to the high pressure of the steam generated by the boiler, it is easy for the steam to flow back to the steam compressor, resulting in reduced efficiency and damage to the steam compressor. The probability increases.

On the other hand, steam compressors are usually supercharged with a fixed compression ratio when used. At this time, the temperature difference between the hot and cold ends is often too large, resulting in an excessive compression ratio, which increases energy consumption. In summary, there is room for improvement in conventional liquid treatment systems including distillers and vapor compressors.

The object of the present invention is to provide a liquid treatment system that can reduce energy consumption and maintenance costs.

The liquid treatment system of the present invention includes a distiller, a vapor-liquid separator, a vapor compressor, and a liquid conveyor. There is a heat exchange unit inside the distiller. The raw material liquid can enter the distiller. The heat exchange unit heats the liquid in the distiller to form a vapor-liquid mixture. The vapor-liquid mixture flows out of the distiller and enters the vapor-liquid separator. The vapor-liquid separator Separated into reflux vapor and concentrated liquid. The reflux vapor flows out of the vapor-liquid separator and is pressurized by the vapor compressor and sent to the still. It leaves the still after forming condensed liquid. The concentrated liquid is the concentrate of the raw liquid. Part of it can flow out of the vapor-liquid separator and be sent to the distiller by the liquid conveyor, so that the liquid in the distiller continues to cover the heat exchange unit, and part of it can leave the vapor-liquid separator.

In one embodiment, the still includes a first shell, a heat exchange unit, a first liquid inlet of the still, a second liquid inlet of the still, a vapor inlet of the still, a vapor-liquid outlet of the still, and a first liquid of the still. exit. A first space is formed inside the first housing. The heat exchange unit is arranged in the first housing, and a second space is formed inside. The first space and the second space are not connected to each other. The first liquid inlet of the distiller is disposed on the first shell, communicates with the first space, and is close to the bottom of the heat exchange unit. The second liquid inlet of the distiller is provided on the first shell, communicates with the first space, and is close to the bottom of the heat exchange unit. The distiller gas inlet is provided on the first shell and communicates with the second space. The vapor and liquid outlet of the distiller is set at the first On the shell, it is connected with the first space. The first liquid outlet of the distiller is arranged on the first shell and communicates with the second space. The vapor-liquid separator includes a second housing, a vapor-liquid inlet of the separator, a vapor outlet of the separator, a first liquid outlet of the separator, and a second liquid outlet of the separator. The vapor-liquid inlet of the separator is arranged on the second shell and communicates with the vapor-liquid outlet of the distiller. The separator gas outlet is arranged on the second housing and is close to the top of the second housing. The first liquid outlet of the separator is arranged on the second housing and close to the bottom of the second housing. The second liquid outlet of the separator is disposed on the second housing and close to the bottom of the second housing. The steam compressor includes a compressor gas inlet and a compressor gas outlet. The compressor gas inlet is connected to the separator gas outlet, and the compressor gas outlet is connected to the distiller gas inlet. The liquid conveyor includes a liquid conveyor inlet and a liquid conveyor outlet. The liquid conveyor inlet is connected to the first liquid outlet of the separator, and the liquid conveyor outlet is connected to the second liquid inlet of the distiller. The raw material liquid enters the distiller through the first liquid inlet of the distiller. The vapor-liquid mixture flows out of the distiller through the vapor-liquid outlet of the distiller and enters the vapor-liquid separator through the vapor-liquid inlet of the separator. The return vapor flows out of the vapor-liquid separator through the separator vapor outlet, enters the vapor compressor through the compressor vapor inlet, is pressurized by the vapor compressor, leaves the vapor compressor through the compressor vapor outlet, and passes through the distiller vapor inlet. It enters the distiller, forms a condensed liquid and leaves the distiller through the first liquid outlet of the distiller. Part of the concentrated liquid can flow out of the vapor-liquid separator through the first liquid outlet of the separator, enter the liquid conveyor through the inlet of the liquid conveyor, be transported through the liquid conveyor, leave the liquid conveyor through the outlet of the liquid conveyor, and pass through the second outlet of the distiller. A liquid inlet enters the still so that the liquid in the still covers the heat exchange unit continuously. Part of the concentrated liquid can leave the vapor-liquid separator through the second liquid outlet of the separator.

In one embodiment, the liquid treatment system further includes a steam supplier for supplying steam to the vapor-liquid separator.

In one embodiment, the vapor-liquid separator further includes a separator steam inlet, and the steam enters the vapor-liquid separator through the separator steam inlet.

The liquid treatment system of the present invention includes a distiller, a vapor-liquid separator, a vapor compressor, and a vapor supplier. A heat exchange unit is provided inside the distiller, the raw material liquid can enter the distiller, and the heat exchange unit heats the liquid in the distiller to form a vapor-liquid mixture. The vapor-liquid mixture flows out of the distiller and enters the vapor-liquid separator, where it is separated into reflux vapor and concentrated liquid. The reflux vapor flows out of the vapor-liquid separator and is pressurized by the vapor compressor and sent to the still. It leaves the still after forming condensed liquid. The concentrated liquid is the concentrate of the raw liquid, part of which can flow out of the vapor-liquid separator and enter the distiller, and part of which can leave the vapor-liquid separator. The steam supplier is used to supply steam to the vapor-liquid separator.

In one embodiment, the still includes a first shell, a heat exchange unit, a first liquid inlet of the still, a vapor inlet of the still, a vapor and liquid outlet of the still, and a first liquid outlet of the still. A first space is formed inside the first housing. The heat exchange unit is arranged in the first housing, and a second space is formed inside. The first space and the second space are not connected to each other. The first liquid inlet of the distiller is disposed on the first shell, communicates with the first space, and is close to the bottom of the heat exchange unit. The distiller gas inlet is provided on the first shell and communicates with the second space. The vapor and liquid outlet of the distiller is arranged on the first shell and communicates with the first space. The first liquid outlet of the distiller is arranged on the first shell and communicates with the second space. The vapor-liquid separator includes a second shell, a separator vapor-liquid inlet, a separator vapor outlet, a separator first liquid outlet, a separator second liquid outlet, and a separator vapor inlet. The vapor-liquid inlet of the separator is arranged on the second shell and communicates with the vapor-liquid outlet of the distiller. The separator gas outlet is arranged on the second housing and is close to the top of the second housing. The first liquid outlet of the separator is arranged on the second housing and close to the bottom of the second housing. The second liquid outlet of the separator is disposed on the second housing and close to the bottom of the second housing. Steam enters the vapor-liquid separator through the separator steam inlet. The steam compressor includes a compressor gas inlet and a compressor gas outlet. The compressor gas inlet is connected to the separator gas outlet, and the compressor gas outlet is connected to the distiller gas inlet. The raw material liquid enters the distiller through the first liquid inlet of the distiller. The vapor-liquid mixture flows from the vapor-liquid outlet of the distiller out of the distiller and enter the vapor-liquid separator through the vapor-liquid inlet of the separator. The return vapor flows out of the vapor-liquid separator through the separator vapor outlet, enters the vapor compressor through the compressor vapor inlet, is pressurized by the vapor compressor, leaves the vapor compressor through the compressor vapor outlet, and passes through the distiller vapor inlet. It enters the distiller, forms a condensed liquid and leaves the distiller through the first liquid outlet of the distiller. Part of the concentrated liquid can flow out from the first liquid outlet of the separator and enter the distiller through the second liquid inlet of the distiller. Part of the concentrated liquid can leave the vapor-liquid separator through the second liquid outlet of the separator.

In one embodiment, the liquid treatment system further includes a liquid transporter, and part of the concentrated liquid can flow out of the vapor-liquid separator and be sent to the distiller by the liquid transporter, so that the liquid in the distiller continuously covers the heat exchange unit.

In one embodiment, the distiller further includes a second liquid inlet of the distiller, which is provided on the first shell, the first space is connected and is close to the bottom of the heat exchange unit. The liquid conveyor includes a liquid conveyor inlet and a liquid conveyor outlet. The liquid conveyor inlet is connected to the first liquid outlet of the separator, and the liquid conveyor outlet is connected to the second liquid inlet of the distiller. Part of the concentrated liquid can flow out of the vapor-liquid separator through the first liquid outlet of the separator, enter the liquid conveyor through the inlet of the liquid conveyor, be transported through the liquid conveyor, leave the liquid conveyor through the outlet of the liquid conveyor, and pass through the second outlet of the distiller. The liquid inlet enters the still so that the liquid in the still covers the heat exchange unit continuously.

In one embodiment, the horizontal position of the vapor-liquid outlet of the distiller is higher than that of the heat exchange unit.

In one embodiment, the distiller further includes a second liquid outlet of the distiller. Part of the liquid in the distiller can leave the distiller through the second liquid outlet of the distiller and be concentrated with the vapor-liquid separator leaving the second liquid outlet of the separator. Liquids merge.

100:Alembic

101: The first liquid inlet of the distiller

102: Second liquid inlet of distiller

103:Alembic steam inlet

104: Distiller vapor and liquid outlet

105: The first liquid outlet of the distiller

106:Alembic outlet

110:First shell

111:First space

120:Heat exchange unit

121:Second Space

200: Vapor-liquid separator

201:Separator vapor-liquid inlet

202: Separator gas outlet

203: The first liquid outlet of the separator

204: Second liquid outlet of separator

205:Separator steam inlet

210:Second shell

220: Vapor-liquid separation element

300: Steam compressor

301: Compressor gas inlet

302: Compressor gas outlet

400:Liquid conveyor

401: Liquid conveyor entrance

402: Liquid conveyor outlet

500:Steam supplier

610:raw material tank

620: Raw material liquid transfer tank

710:Condensed liquid storage tank

720: Condensed liquid transfer tank

730: Post-treatment liquid storage tank

810:Heat exchanger

820:Heat exchanger

900:Liquid handling systems

Figure 1 is a schematic diagram of an embodiment of the liquid treatment system of the present invention.

Figure 2 is a schematic diagram of another embodiment of the liquid treatment system of the present invention.

Figure 3 is a schematic diagram of another embodiment of the liquid treatment system of the present invention.

Figure 4 is a schematic diagram of different embodiments of the liquid treatment system of the present invention.

The implementation of the connection assembly disclosed in the present invention is described below through specific embodiments and drawings. Those skilled in the art can understand the advantages and effects of the present invention from the content disclosed in this specification. However, the following disclosure is not intended to limit the scope of the present invention. Without departing from the spirit of the present invention, those skilled in the art can implement the present invention in other different embodiments based on different viewpoints and applications. In the drawings, the thickness of layers, films, panels, regions, etc., are exaggerated for clarity. Throughout this specification, the same reference numbers refer to the same elements. It will be understood that when an element such as a layer, film, region or substrate is referred to as being "on" or "connected to" another element, it can be directly on or connected to the other element, or Intermediate elements may also be present. In contrast, when an element is referred to as being "directly on" or "directly connected to" another element, there are no intervening elements present. As used herein, "connected" may refer to physical and/or electrical connections. Furthermore, "electrical connection" or "coupling" may mean the presence of other components between the two components.

It will be understood that, although the terms "first," "second," "third," etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, and/or sections or parts thereof shall not be limited by these terms. These terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Therefore, a "first element", "component", "region", "layer" or "section" discussed below could be termed a second element, component, region, layer or section without departing from the teachings herein.

Additionally, relative terms, such as "lower" or "bottom" and "upper" or "top," may be used herein to describe one element's relationship to another element as illustrated in the Figures. It will be understood that relative terms are intended to encompass different orientations of the device in addition to the orientation illustrated in the figures. For example, if the device in one of the figures is turned over, elements described as "lower" than other elements would then be oriented "upper" than the other elements. Thus, the exemplary term "lower" may include both "lower" and "upper" orientations, depending on the particular orientation of the drawing. Similarly, if the device in one of the figures is turned over, elements described as "below" or "beneath" other elements would then be oriented "above" the other elements. Thus, the exemplary terms "below" or "lower" may include both superior and inferior orientations.

As used herein, "about," "approximately," or "substantially" includes the stated value and the average within an acceptable range of deviations from the particular value as determined by one of ordinary skill in the art, taking into account the measurements in question and the A specific amount of error associated with a measurement (i.e., the limitations of the measurement system). For example, "about" can mean within one or more standard deviations of the stated value, or within ±30%, ±20%, ±10%, ±5%. Furthermore, "about", "approximately" or "substantially" used in this article can be used to select a more acceptable deviation range or standard deviation based on optical properties, etching properties or other properties, and one standard deviation does not apply to all properties. .

As shown in the embodiment of FIG. 1 , the liquid treatment system 900 of the present invention includes a distiller 100 , a vapor-liquid separator 200 , a vapor compressor 300 , and a liquid conveyor 400 . A heat exchange unit 120 is provided inside the distiller 100. The raw material liquid can enter the distiller 100. The heat exchange unit 120 heats the liquid in the distiller 100 to form a vapor-liquid mixture. The vapor-liquid mixture flows out of the distiller 100 and enters the vapor-liquid separator. 200, separated into reflux vapor and concentrated liquid by the vapor-liquid separator 200. The reflux vapor flows out of the vapor-liquid separator 200 and is pressurized by the vapor compressor 300 and sent to the distiller 100, and leaves the distillation after forming a condensed liquid. device 100. The concentrated liquid is the concentrate of the raw liquid. Part of it can flow out of the vapor-liquid separator 200 and be sent to the distiller 100 by the liquid conveyor 400, so that the liquid in the distiller 100 continues to cover the heat exchange unit 120, and part of it can be transported by the vapor-liquid separator. 200 left.

Furthermore, as shown in the embodiment shown in FIG. 1 , in one embodiment, the distiller 100 is a plate heat exchanger, and the raw material liquid is a salt aqueous solution. The steam can enter the heat exchange unit 121 and perform heat exchange with the liquid on the outer surface of the heat exchange unit 121 (ie, heat the liquid) and then condense into water. The liquid is heated to form a mixture of salt aqueous solution and steam. After entering the vapor-liquid separator 200, the liquid is separated into steam (reflux vapor) and concentrated salt aqueous solution (concentrated liquid). After the steam flows out of the vapor-liquid separator 200, it is pressurized by the vapor compressor 300 and sent to the heat exchange unit 120 of the distiller 100 for heat exchange, that is, mechanical vapor recompression (Mechanical Vapor Recompression, MVR) technology is used to recover steam heat energy. The vapor undergoes heat exchange in the heat exchange unit 120 to form a condensed liquid and leaves the still 100 . Part of the concentrated salt aqueous solution can flow out of the vapor-liquid separator 200 and be sent to the distiller 100 by a liquid transporter 400 such as a pump, and part of it can leave the vapor-liquid separator 200 as treated liquid. In different embodiments, the distiller 100 can be different types of heat exchangers, such as a tubular type. The raw material liquid can be a solution other than a salt aqueous solution. The solute is not limited to salts, and the solvent is not limited to water.

More specifically, as shown in the embodiment of FIG. 1 , the distiller 100 includes a first shell 110 , a heat exchange unit 120 , a first liquid inlet 101 of the distiller, a second liquid inlet 102 of the distiller, and a gas inlet of the distiller. 103. The vapor and liquid outlet 104 of the distiller, and the first liquid outlet 105 of the distiller. A first space 111 is formed inside the first housing 110 . The heat exchange unit 120 is disposed in the first housing 110, and a second space 121 is formed inside. The first space 111 and the second space 121 are not connected to each other. The first liquid inlet 101 of the distiller is provided on the first shell 100, communicates with the first space 111, and is close to the bottom of the heat exchange unit 120. The second liquid inlet 102 of the distiller is disposed on the first shell 100, communicates with the first space 111, and is close to the heat exchanger. Below unit 120. The distiller gas inlet 103 is provided on the first housing 100 and communicates with the second space 121 . The distiller vapor and liquid outlet 104 is provided on the first housing 100 and communicates with the first space 111 . The first liquid outlet 105 of the distiller is provided on the first housing 100 and communicates with the second space 121 . The distiller gas inlet 103 and the distiller first liquid outlet 105 are substantially connected to the heat exchange unit 120 .

As shown in the embodiment of Figure 1, the vapor-liquid separator 200 includes a second housing 210, a separator vapor-liquid inlet 201, a separator vapor outlet 202, a separator first liquid outlet 203, and a separator second liquid outlet. 204. The separator vapor-liquid inlet 201 is provided on the second housing 210 and communicates with the distiller vapor-liquid outlet 104. The separator gas outlet 202 is provided on the second housing 210 and is close to the top of the second housing 210 . The first liquid outlet 203 of the separator is disposed on the second housing 210 and close to the bottom of the second housing 210 . The second liquid outlet 204 of the separator is disposed on the second housing 210 and close to the bottom of the second housing 210 . The vapor compressor 300 includes a compressor gas inlet 301 and a compressor gas outlet 302. The compressor gas inlet 301 is connected to the separator gas outlet 202, and the compressor gas outlet 302 is connected to the distiller gas inlet 103. The liquid conveyor 400 includes a liquid conveyor inlet 401 and a liquid conveyor outlet 402. The liquid conveyor inlet 401 is connected to the first liquid outlet 203 of the separator, and the liquid conveyor outlet 402 is connected to the second liquid inlet 102 of the distiller.

As shown in the embodiment shown in Figure 1, the raw material liquid enters the distiller 100 through the first liquid inlet 101 of the distiller. The vapor-liquid mixture flows out of the distiller 100 through the distiller vapor-liquid outlet 104, and enters the vapor-liquid separator 200 through the separator vapor-liquid inlet 201. Due to gravity, the lighter return vapor can flow out of the vapor-liquid separator 200 through the separator vapor outlet 202 near the top, enter the vapor compressor 300 through the compressor vapor inlet 301, and be pressurized by the vapor compressor 300 through compression. The steam outlet 302 leaves the vapor compressor 300 and enters the heat exchange unit 120 of the still 100 through the still vapor inlet 103. After forming a condensed liquid, it leaves the heat exchange unit 120 of the still 100 through the first liquid outlet 105 of the still. . The heavier concentrated liquid will sit in the vapor In the lower half of the liquid separator 200, part of the concentrated liquid can flow out of the vapor-liquid separator 200 through the first liquid outlet 203 of the separator, enter the liquid conveyor 400 through the liquid conveyor inlet 401, and be transported through the liquid conveyor 400 to pass the liquid. The conveyor outlet 402 leaves the liquid conveyor 400 and enters the still 100 through the second liquid inlet 102 of the still, so that the liquid in the still 100 continuously covers the heat exchange unit 120 . Specifically, the liquid level of the liquid is made higher than the heat exchange unit 120, that is, the heat exchange unit 120 is immersed in the liquid. Part of the concentrated liquid may leave the vapor-liquid separator 200 through the second liquid outlet 204 of the separator. In one embodiment, the vapor-liquid separator 200 may further include a vapor-liquid separation element 220 such as a hydrophobic membrane to improve the vapor-liquid separation effect.

Based on the above, in the liquid treatment system 900 of the present invention, since the liquid in the distiller 100 continues to cover the heat exchange unit 120, scale is not easily generated on the heat exchange surface of the heat exchange unit 120, which can avoid a decrease in heat exchange efficiency and an increase in energy consumption. It can also ensure sufficient steam generation, keep the steam compressor in a good working environment, and reduce the chance of damage to the steam compressor. Therefore, the liquid treatment system 900 of the present invention can reduce energy consumption and reduce maintenance costs. Viewed from a different angle, the liquid treatment system 900 of the present invention transports part of the concentrated liquid in the vapor-liquid separator 200 back to the distiller 100 through the liquid transporter 400, so that the liquid in the distiller 100 can continue to be covered with heat. The unit 120 is exchanged without causing the concentration of the liquid in the still 100 to decrease.

On the other hand, the method of solving the energy waste caused by the fixed compression ratio in the present invention is to monitor the boiling temperature of the raw water during the distillation process at any time, so as to make the temperature difference between the hot and cold ends as small as possible. For example, when the distillation environment pressure is controlled at 1 bar, the temperature difference between the hot and cold ends is designed to be 3°C. When the boiling temperature of the cold end (raw water flow space) is 102°C, the compression ratio of the steam compressor 300 is controlled at 1.15, so that the heat The steam temperature at the end (steam flow space) is controlled at 105°C; when the cold end boiling temperature is 108°C, the compression ratio is controlled to 1.55, so that the hot end temperature is 111°C. The method is to install a control ratio at the steam compressor gas outlet 302 When the proportional valve outlet becomes larger, the compression ratio will become smaller; when the proportional valve outlet becomes smaller, the compression ratio will become larger, thereby controlling the compression ratio and obtaining the desired boost amplitude.

As shown in another embodiment of FIG. 2 , the liquid treatment system of the present invention includes a distiller 100 , a vapor-liquid separator 200 , a vapor compressor 300 , and a vapor supplier 500 . A heat exchange unit 120 is provided inside the distiller 100, and the raw material liquid can enter the distiller 100. The heat exchange unit 120 heats the liquid in the distiller 100 to form a vapor-liquid mixture. The vapor-liquid mixture flows out of the distiller 100 and enters the vapor-liquid separator 200, where it is separated into reflux vapor and concentrated liquid. The reflux vapor flows out of the vapor-liquid separator 200 and is pressurized by the vapor compressor 300 and sent to the distiller 100, and leaves the distiller 100 after forming a condensed liquid. The concentrated liquid is the concentrate of the raw liquid, part of which can flow out of the vapor-liquid separator 200 and enter the distiller 100 , and part of which can leave the vapor-liquid separator 200 . The steam supplier 500 is used to supply steam to the vapor-liquid separator 200 .

More specifically, in the embodiment shown in FIG. 2 , the configurations of the distiller 100 and the vapor compressor 300 are respectively the same as the configurations of the distiller 100 and the vapor compressor 300 in the embodiment shown in FIG. 1 . The vapor-liquid separator 200 is substantially the same as the vapor-liquid separator 200 in the embodiment shown in FIG. 1 , further including a separator vapor inlet 205 . The steam supplied by the steam supplier 500 enters the vapor-liquid separator 200 through the separator steam inlet 205 . Compared with the conventional technology, since the supplementary steam enters the vapor-liquid separator 200 instead of entering the pipeline between the steam compressor and the distiller, steam will not be generated and flow back to the steam compressor, resulting in a decrease in the efficiency of the steam compressor. A situation where the probability of damage increases.

As shown in the embodiment shown in FIG. 3 , the liquid treatment system 900 may include a liquid conveyor 400 and a steam supplier 500 at the same time, that is, having the aforementioned "concentrated liquid is conveyed through the liquid conveyor 400 so that the liquid in the distiller 100 continues to cover the heat". The exchange unit 120" and the steam supplier 500 supply steam Entering the vapor-liquid separator 200" has two technical features, so it has the above-mentioned advantages of not easily generating scale and no reverse flow of steam to the vapor compressor.

As shown in different embodiments in Figure 4, the liquid treatment system 900 may further be provided with other heat exchangers to further recover heat energy. For example, the condensed liquid leaving the distiller 100 through the first liquid outlet 105 of the distiller and the concentrated liquid leaving the vapor-liquid separator 200 through the second liquid outlet 204 of the separator have high temperatures, so the temperature of the liquid flowing out from the raw material tank 610 is high. Before the raw material liquid enters the distiller 100, it can conduct heat exchange with the above two through the heat exchangers 810 and 820 respectively to recover heat energy and increase its own temperature, and can be further stored in the raw material liquid transfer tank 620 to be transported into the distiller. 100. The condensed liquid leaving the distiller 100 through the first liquid outlet 105 of the distiller may be further stored in the condensed liquid transfer tank 720 and then transported to the condensed liquid storage tank 710 . The concentrated liquid leaving the vapor-liquid separator 200 through the second liquid outlet 204 of the separator may be transported to the treated liquid storage tank 730 .

The present invention has been described by the above-mentioned relevant embodiments, but the above-mentioned embodiments are only examples of implementing the present invention. It must be pointed out that the disclosed embodiments do not limit the scope of the present invention. On the contrary, modifications and equivalent arrangements included in the spirit and scope of the claimed patent are included in the scope of the present invention.

100:Alembic

101: The first liquid inlet of the distiller

102: Second liquid inlet of distiller

103:Alembic steam inlet

104: Distiller vapor and liquid outlet

105: The first liquid outlet of the distiller

106:Alembic outlet

110:First shell

111:First space

120:Heat exchange unit

121:Second Space

200: Vapor-liquid separator

201:Separator vapor-liquid inlet

202: Separator gas outlet

203: The first liquid outlet of the separator

204: Second liquid outlet of separator

210:Second shell

220: Vapor-liquid separation element

300: Steam compressor

301: Compressor gas inlet

302: Compressor gas outlet

400:Liquid conveyor

401: Liquid conveyor entrance

402: Liquid conveyor outlet

900:Liquid handling systems

Claims (10)

A liquid treatment system, including: a distiller with a heat exchange unit installed inside; a vapor-liquid separator; a vapor compressor; a liquid conveyor; wherein a raw material liquid can enter the distiller, and the heat exchange unit The liquid in the distiller is heated to form a vapor-liquid mixture. The vapor-liquid mixture flows out of the distiller and enters the vapor-liquid separator. It is separated into a reflux vapor and a concentrated liquid by the vapor-liquid separator. The reflux vapor flows out. The vapor-liquid separator is pressurized by the vapor compressor and sent into the distiller, and leaves the distiller after forming a condensed liquid. The concentrated liquid is the concentrate of the raw liquid, and part of it can flow out of the vapor-liquid separator. and sent into the distiller by the liquid conveyor, so that the liquid in the distiller continues to cover the heat exchange unit, and part of it can leave through the vapor-liquid separator. The liquid treatment system of claim 1, wherein the distiller includes: a first shell forming a first space inside; the heat exchange unit is disposed in the first shell and forming a second space inside, The first space and the second space are not connected to each other; a first liquid inlet of the distiller is provided on the first shell, communicates with the first space, and is close to the bottom of the heat exchange unit; a second liquid inlet of the distiller A liquid inlet is provided on the first shell, communicates with the first space, and is close to the bottom of the heat exchange unit; A distiller vapor inlet is provided on the first shell and communicates with the second space; a distiller vapor and liquid outlet is provided on the first shell and communicates with the first space; a distiller first A liquid outlet is provided on the first housing and communicates with the second space; the vapor-liquid separator includes: a second housing; a separator vapor-liquid inlet is provided on the second housing, It is connected to the vapor and liquid outlet of the distiller; a separator vapor outlet is provided on the second housing and close to the top of the second housing; a first liquid outlet of the separator is provided on the second housing , and close to the bottom of the second housing; a second liquid outlet of the separator is provided on the second housing, and close to the bottom of the second housing; the vapor compressor includes: a compressor vapor inlet, Connected with the gas outlet of the separator; a compressor gas outlet connected with the gas inlet of the distiller; the liquid conveyor includes: a liquid conveyor inlet connected with the first liquid outlet of the separator; a liquid The conveyor outlet is connected to the second liquid inlet of the distiller; wherein the raw material liquid enters the distiller through the first liquid inlet of the distiller, and the vapor-liquid mixture flows out of the distiller from the vapor-liquid outlet of the distiller, and is passed through the distiller. The vapor-liquid inlet of the separator enters the vapor-liquid separator. The reflux vapor flows out of the vapor-liquid separator through the vapor outlet of the separator. It enters the vapor compressor through the vapor inlet of the compressor and is pressurized by the vapor compressor. Leaving the compressor vapor outlet through the The vapor compressor enters the distiller through the vapor inlet of the distiller. After forming the condensed liquid, it leaves the distiller through the first liquid outlet of the distiller. Part of the concentrated liquid can flow out from the first liquid outlet of the separator. The vapor-liquid separator enters the liquid conveyor from the liquid conveyor inlet, is transported through the liquid conveyor to leave the liquid conveyor through the liquid conveyor outlet, and enters the distiller through the second liquid inlet of the distiller , so that the liquid in the distiller continues to cover the heat exchange unit, and part of the concentrated liquid can leave the vapor-liquid separator through the second liquid outlet of the separator. The liquid treatment system of claim 2, further comprising a steam supplier for supplying steam to the vapor-liquid separator. The liquid treatment system of claim 3, wherein the vapor-liquid separator further includes a separator vapor inlet, and the vapor enters the vapor-liquid separator through the separator vapor inlet. A liquid treatment system, including: a distiller with a heat exchange unit installed inside; a vapor-liquid separator; a vapor compressor; a vapor supplier; wherein, a raw material liquid can enter the distiller, and the heat exchange unit The liquid in the distiller is heated to form a vapor-liquid mixture. The vapor-liquid mixture flows out of the distiller and enters the vapor-liquid separator. It is separated into a reflux vapor and a concentrated liquid by the vapor-liquid separator. The reflux vapor flows out. The vapor-liquid separator is pressurized by the vapor compressor and sent into the distiller, and leaves the distiller after forming a condensed liquid. The concentrated liquid is the concentrate of the raw liquid, and part of it can flow out of the vapor-liquid separator. and enters the distiller, part of which can leave from the vapor-liquid separator, and the steam supplier is used to supply a steam to the vapor-liquid separator. The liquid treatment system of claim 5, wherein the distiller includes: a first shell forming a first space inside; the heat exchange unit is disposed in the first shell and forming a second space inside, The first space and the second space are not connected to each other; a first liquid inlet of the distiller is provided on the first shell, communicates with the first space, and is close to the bottom of the heat exchange unit; a second liquid inlet of the distiller A liquid inlet is provided on the first shell, communicates with the first space, and is close to the bottom of the heat exchange unit; a distiller gas inlet is provided on the first shell, communicates with the second space; A vapor-liquid outlet of the distiller is provided on the first shell and communicates with the first space; a first liquid outlet of the distiller is provided on the first shell and communicates with the second space; the vapor-liquid outlet The separator includes: a second shell; a separator vapor-liquid inlet, which is disposed on the second shell and communicates with the distiller vapor-liquid outlet; and a separator vapor outlet, which is disposed on the second shell. on the second housing and close to the top of the second housing; a first liquid outlet of the separator is provided on the second housing and close to the bottom of the second housing; a second liquid outlet of the separator is provided on the second On the shell and close to the bottom of the second shell; a separator steam inlet, the steam enters the vapor-liquid separator through the separator steam inlet; The vapor compressor includes: a compressor vapor inlet connected to the separator vapor outlet; a compressor vapor outlet connected to the distiller vapor inlet; wherein the raw material liquid is composed of the first liquid of the distiller The inlet enters the distiller, the vapor-liquid mixture flows out of the distiller through the vapor-liquid outlet of the distiller, and enters the vapor-liquid separator through the vapor-liquid inlet of the separator. The reflux gas flows out of the separator vapor outlet. The vapor-liquid separator enters the vapor compressor through the compressor vapor inlet, is pressurized by the vapor compressor and leaves the vapor compressor through the compressor vapor outlet, and enters the distiller through the distiller vapor inlet. After the condensed liquid is formed, it leaves the distiller through the first liquid outlet of the distiller. Part of the concentrated liquid can flow out from the first liquid outlet of the separator and enter the distiller through the second liquid inlet of the distiller. A portion of the concentrated liquid may leave the vapor-liquid separator through the second liquid outlet of the separator. The liquid treatment system as claimed in claim 6, further comprising a liquid conveyor, part of the concentrated liquid can flow out of the vapor-liquid separator and be sent to the distiller by the liquid conveyor, so that the liquid in the distiller Keep the heat exchange unit covered. The liquid treatment system of claim 7, wherein the liquid conveyor includes: a liquid conveyor inlet connected to the first liquid outlet of the separator; a liquid conveyor outlet connected to the second liquid inlet of the distiller Connected; part of the concentrated liquid can flow out of the vapor-liquid separator through the first liquid outlet of the separator, enter the liquid conveyor through the inlet of the liquid conveyor, be transported through the liquid conveyor, and leave the liquid conveyor through the outlet of the liquid conveyor. The liquid conveyor enters the still through the second liquid inlet of the still, so that the liquid in the still covers the heat exchange unit continuously. The liquid treatment system as claimed in claim 2 or 6, wherein the horizontal position of the vapor-liquid outlet of the distiller is higher than that of the heat exchange unit. The liquid treatment system as claimed in claim 2 or 6, wherein the distiller further includes a second liquid outlet of the distiller, part of the liquid in the distiller can leave the distiller through the second liquid outlet of the distiller, and be connected with the second liquid outlet of the distiller. The concentrated liquid leaving the vapor-liquid separator merges from the second liquid outlet of the separator.

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