WO2024066134A1 - Système de traitement de liquide - Google Patents

Système de traitement de liquide Download PDF

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Publication number
WO2024066134A1
WO2024066134A1 PCT/CN2023/071635 CN2023071635W WO2024066134A1 WO 2024066134 A1 WO2024066134 A1 WO 2024066134A1 CN 2023071635 W CN2023071635 W CN 2023071635W WO 2024066134 A1 WO2024066134 A1 WO 2024066134A1
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WO
WIPO (PCT)
Prior art keywords
liquid
distiller
vapor
separator
outlet
Prior art date
Application number
PCT/CN2023/071635
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English (en)
Chinese (zh)
Inventor
李岳桓
Original Assignee
睿锝水资源科技股份有限公司
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Publication of WO2024066134A1 publication Critical patent/WO2024066134A1/fr

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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/02—Treatment of water, waste water, or sewage by heating
    • C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
    • C02F1/041—Treatment of water, waste water, or sewage by heating by distillation or evaporation by means of vapour compression
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/02—Treatment of water, waste water, or sewage by heating
    • C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
    • C02F1/043—Details
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/10—Energy recovery

Definitions

  • the present invention relates to a liquid treatment system, and more particularly to a treatment system for concentrating wastewater by distillation.
  • Distillers are widely used in wastewater concentration treatment, and are used in conjunction with steam compressors to recover heat energy using Mechanical Vapor Recompression (MVR) technology to improve energy efficiency.
  • MVR Mechanical Vapor Recompression
  • the liquid in the distiller will evaporate into steam due to heat, and will be replenished into the distiller when the amount of liquid is lower than a certain level.
  • most general distiller designs are horizontal shell and tube heat exchangers, shell and tube distiller or jacketed distiller. After the water is vaporized in the distiller, the substances originally remaining in the water are easily attached to the heat exchange surface, resulting in reduced heat exchange efficiency and energy recovery that is not as expected. A large amount of steam must be added to compensate. In addition, insufficient steam generation puts the steam compressor in a poor working environment, resulting in an increased probability of damage to the steam compressor.
  • steam generated by a boiler is usually used to supplement the pipeline between the steam compressor and the distiller. Due to the high steam pressure generated by the boiler, it is easy to cause the steam to flow back to the steam compressor, resulting in a decrease in the efficiency of the steam compressor and an increased probability of damage.
  • the object of the present invention is to provide a liquid processing system which can reduce energy consumption and lower maintenance costs.
  • the liquid treatment system of the present invention comprises a distiller, a vapor-liquid separator, a steam compressor, and a liquid conveyor.
  • a heat exchange unit is arranged inside the distiller, and the raw liquid can enter the distiller.
  • the heat exchange unit heats the liquid in the distiller to form a vapor-liquid mixture, and the vapor-liquid mixture flows out of the distiller and enters the vapor-liquid separator, and is separated into a reflux vapor and a concentrated liquid by the vapor-liquid separator.
  • the reflux vapor flows out of the vapor-liquid separator and is pressurized by the steam compressor and sent to the distiller, and leaves the distiller after forming a condensed liquid.
  • the concentrated liquid is a concentrate of the raw liquid, part of which 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 which can leave the vapor-liquid separator.
  • the distiller comprises a first shell, a heat exchange unit, a first liquid inlet of the distiller, a second liquid inlet of the distiller, a vapor inlet of the distiller, a vapor-liquid outlet of the distiller, and a first liquid outlet of the distiller.
  • a first space is formed inside the first shell.
  • the heat exchange unit is arranged in the first shell, and a second space is formed inside, and the first space and the second space are not connected to each other.
  • the first liquid inlet of the distiller is arranged on the first shell, communicated with the first space, and close to the bottom of the heat exchange unit.
  • the second liquid inlet of the distiller is arranged on the first shell, communicated with the first space, and close to the bottom of the heat exchange unit.
  • the vapor inlet of the distiller is arranged on the first shell, communicated with the second space.
  • the vapor-liquid outlet of the distiller is arranged on the first shell, communicated with the first space.
  • the first liquid outlet of the distiller is arranged on the first shell, communicated with the second space.
  • the vapor-liquid separator comprises a second shell, 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, communicated with the vapor-liquid outlet of the distiller.
  • the vapor outlet of the separator is arranged on the second shell, and close to the top of the second shell.
  • the first liquid outlet of the separator is arranged on the second shell and is close to the bottom of the second shell.
  • the second liquid outlet of the separator is arranged on the second shell and is close to the bottom of the second shell.
  • 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 liquid enters the distiller from the first liquid inlet of the distiller.
  • the vapor-liquid mixture flows out of the distiller from the vapor-liquid outlet of the distiller and enters the vapor-liquid separator from the vapor-liquid inlet of the separator.
  • the reflux gas flows out of the vapor-liquid separator from the separator gas outlet, enters the steam compressor through the compressor inlet, is pressurized by the steam compressor, leaves the steam compressor through the compressor outlet, enters the distiller from the gas inlet of the distiller, forms a condensed liquid, and leaves the distiller from the first liquid outlet of the distiller.
  • Part of the concentrated liquid can flow out of the vapor-liquid separator from the first liquid outlet of the separator, enter the liquid conveyor from the liquid conveyor inlet, be conveyed by the liquid conveyor to leave the liquid conveyor through the liquid conveyor outlet, and enter the distiller from the second liquid inlet of the distiller, so that the liquid in the distiller continuously covers the heat exchange unit.
  • Part of the concentrated liquid can leave the vapor-liquid separator from the second liquid outlet of the separator.
  • the liquid treatment system further comprises a steam supplier for supplying steam to the gas-liquid separator.
  • the vapor-liquid separator further comprises a separator steam inlet, and the steam enters the vapor-liquid separator through the separator steam inlet.
  • the liquid processing system of the present invention comprises a distiller, a vapor-liquid separator, a steam compressor, and a steam supplier.
  • a heat exchange unit is arranged inside the distiller, and the raw 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, and is separated into a reflux vapor and a concentrated liquid by the vapor-liquid separator.
  • the reflux vapor flows out of the vapor-liquid separator and is pressurized by the steam compressor and sent into the distiller, and leaves the distiller after forming a condensed liquid.
  • the concentrated liquid is a 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.
  • the distiller comprises a first shell, a heat exchange unit, a first liquid inlet of the distiller, a vapor inlet of the distiller, a vapor-liquid outlet of the distiller, and a first liquid outlet of the distiller.
  • a first space is formed inside the first shell.
  • the heat exchange unit is arranged in the first shell, and a second space is formed inside, and the first space and the second space are not connected to each other.
  • the first liquid inlet of the distiller is arranged on the first shell, communicated with the first space, and close to the bottom of the heat exchange unit.
  • the vapor inlet of the distiller is arranged on the first shell, communicated with the second space.
  • the vapor-liquid outlet of the distiller is arranged on the first shell, communicated with the first space.
  • the first liquid outlet of the distiller is arranged on the first shell, communicated with the second space.
  • the vapor-liquid separator comprises a second shell, a vapor-liquid inlet of the separator, a vapor outlet of the separator, a first liquid outlet of the separator, a second liquid outlet of the separator, and a vapor inlet of the separator.
  • the vapor-liquid inlet of the separator is arranged on the second shell, communicated with the vapor-liquid outlet of the distiller.
  • the vapor outlet of the separator is arranged on the second shell, and close to the top of the second shell.
  • the first liquid outlet of the separator is arranged on the second shell, and close to the bottom of the second shell.
  • the second liquid outlet of the separator is arranged on the second shell and is close to the bottom of the second shell.
  • Steam enters the vapor-liquid separator from the separator vapor inlet.
  • the steam compressor includes a compressor vapor inlet and a compressor vapor outlet, the compressor vapor inlet is connected to the separator vapor outlet, and the compressor vapor outlet is connected to the distiller vapor inlet.
  • the raw liquid enters the distiller from the first liquid inlet of the distiller.
  • the vapor-liquid mixture flows out of the distiller from the distiller vapor-liquid outlet and enters the vapor-liquid separator from the separator vapor-liquid inlet.
  • the reflux vapor flows out of the vapor-liquid separator from the separator vapor outlet, enters the steam compressor through the compressor inlet, is pressurized by the steam compressor, leaves the steam compressor through the compressor outlet, enters the distiller from the distiller vapor inlet, forms a condensed liquid, and leaves the distiller from 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 from the second liquid inlet of the distiller.
  • Part of the concentrated liquid can leave the vapor-liquid separator from the second liquid outlet of the separator.
  • the liquid processing system further comprises a liquid conveyor, and part of the concentrated liquid can flow out of the vapor-liquid separator and be conveyed into the distiller by the liquid conveyor, so that the liquid in the distiller continuously covers the heat exchange unit.
  • the distiller further comprises a second liquid inlet of the distiller, which is arranged on the first shell, communicated with the first space, and is close to the bottom of the heat exchange unit.
  • the liquid conveyor comprises a liquid conveyor inlet and a liquid conveyor outlet, the liquid conveyor inlet is communicated with the first liquid outlet of the separator, and the liquid conveyor outlet is communicated with the second liquid inlet of the distiller.
  • Part of the concentrated liquid can flow out of the vapor-liquid separator from the first liquid outlet of the separator, enter the liquid conveyor from the liquid conveyor inlet, be transported by the liquid conveyor to leave the liquid conveyor through the liquid conveyor outlet, and enter the distiller from the second liquid inlet of the distiller, so that the liquid in the distiller continuously covers the heat exchange unit.
  • the vapor-liquid outlet of the distiller is located at a higher level than the heat exchange unit.
  • the distiller further comprises a second liquid outlet of the distiller, and part of the liquid in the distiller can leave the distiller through the second liquid outlet of the distiller and merge with the concentrated liquid leaving the vapor-liquid separator through the second liquid outlet of the separator.
  • FIG. 1 is a schematic diagram of an embodiment of a liquid treatment system of the present invention.
  • FIG. 2 is a schematic diagram of another embodiment of the liquid processing system of the present invention.
  • FIG. 3 is a schematic diagram of another embodiment of the liquid processing system of the present invention.
  • FIG. 4 is a schematic diagram of a liquid treatment system according to a different embodiment of the present invention.
  • connection can refer to physical and/or electrical connection.
  • electrical connection or “coupling” can be the presence of other elements between two elements.
  • first, second, third, etc. can be used to describe various elements, components, regions, layers and/or parts in this article, these elements, components, regions, layers and/or parts should not be limited by these terms. These terms are only used to distinguish one element, component, region, layer or part from another element, component, region, layer or part. Therefore, the "first element”, “component”, “region”, “layer” or “part” discussed below can be referred to as a second element, component, region, layer or part without departing from the teachings of this article.
  • relative terms such as “lower” or “bottom” and “upper” or “top” may be used herein to describe the relationship of one element to another element, as shown in the figures. It should be understood that relative terms are intended to include different orientations of the device in addition to the orientation shown in the figures. For example, if the device in one figure is turned over, the element described as being on the “lower” side of the other elements will be oriented on the “upper” side of the other elements. Therefore, the exemplary term “lower” can include both “lower” and “upper” orientations, depending on the specific orientation of the figure.
  • “about”, “approximately”, or “substantially” includes the stated value and an average value within an acceptable deviation range of a particular value determined by one of ordinary skill in the art, taking into account the measurement in question and the particular amount of error associated with the 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, as used herein, “about”, “approximately”, or “substantially” can select a more acceptable deviation range or standard deviation depending on the optical property, etching property or other property, and can apply to all properties without a single standard deviation.
  • the liquid processing system 900 of the present invention comprises a distiller 100, a vapor-liquid separator 200, a steam compressor 300, and a liquid conveyor 400.
  • a heat exchange unit 120 is provided inside the distiller 100.
  • the raw 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, and is separated into a reflux vapor and a concentrated liquid by the vapor-liquid separator 200.
  • the reflux vapor flows out of the vapor-liquid separator 200 and is pressurized and sent to the distiller 100 by the steam compressor 300, and leaves the distiller 100 after forming a condensed liquid.
  • the concentrated liquid is a concentrate of the raw liquid, part of which 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 which can leave the vapor-liquid separator 200.
  • the distiller 100 is a plate heat exchanger, and the raw liquid is a salt 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 (i.e., heat the liquid) and then condense into water. After the liquid is heated, a mixture of a salt solution and steam is formed. After entering the vapor-liquid separator 200, the mixture is separated into steam (reflux vapor) and concentrated salt solution (concentrated liquid) by the vapor-liquid separator 200.
  • the steam flows out of the vapor-liquid separator 200, it is pressurized by the steam compressor 300 and sent to the heat exchange unit 120 of the distiller 100 for heat exchange, that is, the steam heat energy is recovered using the mechanical vapor recompression (MVR) technology.
  • MVR mechanical vapor recompression
  • the steam performs heat exchange in the heat exchange unit 120, it forms a condensed liquid and leaves the distiller 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 conveyor 400 such as a pump, and part of it can leave the vapor-liquid separator 200 as a treated liquid.
  • the distiller 100 can be a different type of heat exchanger such as a tubular type
  • the raw liquid can be a solution other than the salt aqueous solution
  • the solute is not limited to salts
  • the solvent is not limited to water.
  • the distiller 100 includes a first shell 110, a heat exchange unit 120, a distiller first liquid inlet 101, a distiller second liquid inlet 102, a distiller gas inlet 103, a distiller gas-liquid outlet 104, and a distiller first liquid outlet 105.
  • a first space 111 is formed inside the first shell 110.
  • the heat exchange unit 120 is disposed in the first shell 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 distiller first liquid inlet 101 is disposed on the first shell 100, communicates with the first space 111, and is close to the bottom of the heat exchange unit 120.
  • the distiller second liquid inlet 102 is disposed on the first shell 100, communicates with the first space 111, and is close to the bottom of the heat exchange unit 120.
  • the distiller gas inlet 103 is disposed on the first shell 100, communicates with the second space 121.
  • the distiller gas-liquid outlet 104 is disposed on the first shell 100, and communicates with the first space 111.
  • the distiller first liquid outlet 105 is disposed on the first shell 100 and communicates with the second space 121 .
  • the distiller gas inlet 103 and the distiller first liquid outlet 105 are substantially communicated with the heat exchange unit 120 .
  • the vapor-liquid separator 200 includes a second shell 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 disposed on the second shell 210 and communicates with the vapor-liquid outlet 104 of the distiller.
  • the separator vapor outlet 202 is disposed on the second shell 210 and is close to the top of the second shell 210.
  • the separator first liquid outlet 203 is disposed on the second shell 210 and is close to the bottom of the second shell 210.
  • the separator second liquid outlet 204 is disposed on the second shell 210 and is close to the bottom of the second shell 210.
  • the steam compressor 300 includes a compressor vapor inlet 301 and a compressor vapor outlet 302, wherein the compressor vapor inlet 301 is communicated with the separator vapor outlet 202, and the compressor vapor outlet 302 is communicated with the vapor inlet 103 of the distiller.
  • the liquid conveyor 400 comprises a liquid conveyor inlet 401 and a liquid conveyor outlet 402 .
  • the liquid conveyor inlet 401 is communicated with the first liquid outlet 203 of the separator, and the liquid conveyor outlet 402 is communicated with the second liquid inlet 102 of the distiller.
  • the raw liquid enters the distiller 100 through the distiller first liquid inlet 101.
  • 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.
  • the lighter reflux vapor can flow out of the vapor-liquid separator 200 through the separator vapor outlet 202 near the top, enter the steam compressor 300 through the compressor inlet 301, and leave the steam compressor 300 through the compressor outlet 302 after being pressurized by the steam compressor 300, and enter the heat exchange unit 120 of the distiller 100 through the distiller vapor inlet 103, and leave the heat exchange unit 120 of the distiller 100 through the distiller first liquid outlet 105 after forming condensed liquid.
  • the heavier concentrated liquid will be located in the lower half of the vapor-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, be transported by the liquid conveyor 400 to leave the liquid conveyor 400 through the liquid conveyor outlet 402, and enter the distiller 100 through the second liquid inlet 106 of the distiller, so that the liquid in the distiller 100 continues to cover the heat exchange unit 120.
  • the liquid level is higher than the heat exchange unit 120, that is, the heat exchange unit 120 is immersed in the liquid.
  • Part of the concentrated liquid can leave the vapor-liquid separator 200 through the second liquid outlet 204 of the separator.
  • the vapor-liquid separator 200 may further include a vapor-liquid separation element 220 such as a hydrophobic membrane to enhance the vapor-liquid separation effect.
  • the liquid treatment system 900 of the present invention since the liquid in the distiller 100 continuously covers the heat exchange unit 120, the heat exchange surface of the heat exchange unit 120 is not easy to generate scale, which can avoid the reduction of heat exchange efficiency and the increase of energy consumption, and can also ensure that sufficient steam is generated, so that the steam compressor is in a good working environment and the probability of damage to the steam compressor is reduced. Therefore, the liquid treatment system 900 of the present invention can reduce energy consumption and reduce maintenance costs.
  • 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 conveyor 400, so that the liquid in the distiller 100 can continue to cover the heat exchange unit 120 without reducing the concentration of the liquid in the distiller 100.
  • 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 that the temperature difference between the cold and hot ends is as small as possible.
  • the temperature difference between the cold and hot ends is designed to be 3°C.
  • the compression ratio of the steam compressor 300 is controlled at 1.15, so that the steam temperature of the hot end (steam flow space) is controlled at 105°C; when the boiling temperature of the cold end is 108°C, the compression ratio is controlled to 1.55, so that the temperature of the hot end is 111°C.
  • the method is to install a control proportional valve at the steam compressor outlet 302.
  • the proportional valve outlet becomes larger, the compression ratio will be reduced; when the proportional valve outlet becomes smaller, the compression ratio will be increased, so as to control the compression ratio and obtain the desired boost amplitude.
  • the liquid treatment system of the present invention comprises a distiller 100, a vapor-liquid separator 200, a steam compressor 300, and a steam supplier 500.
  • a heat exchange unit 120 is provided inside the distiller 100, and the raw 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, and is separated into a reflux vapor and a concentrated liquid by the vapor-liquid separator 200.
  • the reflux vapor flows out of the vapor-liquid separator 200 and is pressurized and sent to the distiller 100 by the steam compressor 300, and leaves the distiller 100 after forming a condensed liquid.
  • the concentrated liquid is a 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.
  • the configurations of the distiller 100 and the steam compressor 300 are respectively the same as the configurations of the distiller 100 and the steam compressor 300 in the embodiment shown in FIG1 .
  • the vapor-liquid separator 200 is substantially the same as the vapor-liquid separator 200 in the embodiment shown in FIG1 , and further comprises a separator steam inlet 205.
  • the steam supplied by the steam supplier 500 enters the vapor-liquid separator 200 through the separator steam inlet 205.
  • the liquid treatment system 900 may include a liquid conveyor 400 and a steam supplier 500 at the same time, that is, it has the aforementioned two technical features of “concentrated liquid is conveyed by the liquid conveyor 400 so that the liquid in the distiller 100 continuously covers the heat exchange unit 120” and “the steam supplier 500 supplies steam into the vapor-liquid separator 200”, and thus has the aforementioned advantages of not being easy to generate scale and no steam flowing back to the steam compressor.
  • the liquid treatment system 900 may further include other heat exchangers to further recover heat energy.
  • the condensed liquid leaving the distiller 100 from the first liquid outlet 105 of the distiller and the concentrated liquid leaving the vapor-liquid separator 200 from the second liquid outlet 204 of the separator are both at high temperatures. Therefore, before the raw liquid flowing out of the raw material tank 610 enters the distiller 100, it may be respectively heat exchanged with the above two through the heat exchangers 810 and 820 to recover heat energy and increase its own temperature. It may also be further stored in the raw liquid transfer tank 620 to be transported into the distiller 100.
  • the condensed liquid leaving the distiller 100 from 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 from the second liquid outlet 204 of the separator may be transported to the treated liquid storage tank 730.
  • the liquid processing system of the present invention comprises a distiller, a vapor-liquid separator, a steam compressor, and a liquid conveyor.
  • a heat exchange unit is arranged inside the distiller, and the raw 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, and is separated into a reflux vapor and a concentrated liquid by the vapor-liquid separator.
  • the reflux vapor flows out of the vapor-liquid separator and is pressurized by the steam compressor and sent to the distiller, and leaves the distiller after forming a condensed liquid.
  • the concentrated liquid is a concentrate of the raw liquid, part of which 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 which can leave from the vapor-liquid separator.
  • the liquid processing system of the present invention can reduce energy consumption and maintenance costs.

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Ventilation (AREA)

Abstract

L'invention concerne un système de traitement de liquide. Le système de traitement de liquide comprend un distillateur, un séparateur vapeur-liquide, un compresseur de vapeur et un transporteur de liquide. Une unité d'échange de chaleur est ménagée à l'intérieur du distillateur ; un liquide brut peut entrer dans le distillateur ; le liquide dans le distillateur est chauffé au moyen de l'unité d'échange de chaleur, de façon à former un mélange vapeur-liquide ; et le mélange vapeur-liquide s'écoule hors du distillateur, entre dans le séparateur vapeur-liquide, et est ensuite séparé en vapeur de reflux et en liquide concentré par le séparateur vapeur-liquide. La vapeur de reflux s'écoule hors du séparateur vapeur-liquide, est mise sous pression et transportée dans le distillateur par le compresseur de vapeur, puis quitte le distillateur après la formation d'un liquide de condensat. Le liquide concentré représente un concentré du liquide brut ; une partie du liquide concentré peut s'écouler hors du séparateur vapeur-liquide et est transportée dans le distillateur par le transporteur de liquide, et le liquide dans le distillateur est activé pour recouvrir en continu l'unité d'échange de chaleur ; et une partie du liquide concentré peut quitter le séparateur vapeur-liquide.
PCT/CN2023/071635 2022-07-13 2023-01-10 Système de traitement de liquide WO2024066134A1 (fr)

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TW111126353A TWI834218B (zh) 2022-07-13 2022-07-13 液體處理系統
CN202211176057.8A CN117430186A (zh) 2022-07-13 2022-09-26 液体处理***
CN202211176057.8 2022-09-26

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002100504A2 (fr) * 2001-06-11 2002-12-19 Tecnicas Modulares E Industriales, S.A. Distillateur pour liquides, procede et materiel de distillation de liquides destines au traitement d'eaux d'egouts et materiel utilisant ledit distillateur
CN201701761U (zh) * 2010-02-03 2011-01-12 张国林 一种机械蒸汽压缩蒸发设备
US20160083266A1 (en) * 2013-06-05 2016-03-24 Ohkawara Kakohki Co., Ltd. Seawater desalination device and seawater desalination method
TWM542020U (zh) * 2016-11-10 2017-05-21 Chung-Heng Liao 蒸汽加熱式污物處理設備
CN110393934A (zh) * 2019-08-21 2019-11-01 长沙中联重科环境产业有限公司 Mvr循环蒸发***及蒸发方法
CN215876263U (zh) * 2021-09-08 2022-02-22 广州市迈源科技有限公司 一种蒸发器

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109319996A (zh) * 2018-10-29 2019-02-12 泰兴锦汇化工有限公司 一种高盐高cod废水的处理方法
CN110404411B (zh) * 2019-07-22 2024-04-19 珠海格力电器股份有限公司 一种带余热回收耦合mvr的膜蒸馏***及方法
TWI717841B (zh) * 2019-09-18 2021-02-01 袁文全 自體清潔之蒸餾水設備

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002100504A2 (fr) * 2001-06-11 2002-12-19 Tecnicas Modulares E Industriales, S.A. Distillateur pour liquides, procede et materiel de distillation de liquides destines au traitement d'eaux d'egouts et materiel utilisant ledit distillateur
CN201701761U (zh) * 2010-02-03 2011-01-12 张国林 一种机械蒸汽压缩蒸发设备
US20160083266A1 (en) * 2013-06-05 2016-03-24 Ohkawara Kakohki Co., Ltd. Seawater desalination device and seawater desalination method
TWM542020U (zh) * 2016-11-10 2017-05-21 Chung-Heng Liao 蒸汽加熱式污物處理設備
CN110393934A (zh) * 2019-08-21 2019-11-01 长沙中联重科环境产业有限公司 Mvr循环蒸发***及蒸发方法
CN215876263U (zh) * 2021-09-08 2022-02-22 广州市迈源科技有限公司 一种蒸发器

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