WO2019160373A1 - Installation d'amélioration de la qualité de l'eau utilisant un procédé d'évaporation - Google Patents

Installation d'amélioration de la qualité de l'eau utilisant un procédé d'évaporation Download PDF

Info

Publication number
WO2019160373A1
WO2019160373A1 PCT/KR2019/001856 KR2019001856W WO2019160373A1 WO 2019160373 A1 WO2019160373 A1 WO 2019160373A1 KR 2019001856 W KR2019001856 W KR 2019001856W WO 2019160373 A1 WO2019160373 A1 WO 2019160373A1
Authority
WO
WIPO (PCT)
Prior art keywords
chamber
water
seawater
heat
condenser
Prior art date
Application number
PCT/KR2019/001856
Other languages
English (en)
Korean (ko)
Inventor
강성진
류기수
Original Assignee
강성진
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020180125696A external-priority patent/KR20190098678A/ko
Application filed by 강성진 filed Critical 강성진
Priority to KR1020207023582A priority Critical patent/KR102583238B1/ko
Publication of WO2019160373A1 publication Critical patent/WO2019160373A1/fr

Links

Images

Classifications

    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124—Water desalination

Definitions

  • the present invention relates to a water quality improvement equipment using an evaporation method, and more particularly, to a water quality improvement equipment that can obtain fresh water or purified water using a chamber assembly having a vacuum state.
  • Water purification technology is a technology that obtains purified water by removing harmful substances to be used as drinking water in river water or reservoir water containing minerals, organic matter, bacteria, and the like.
  • Desalination is a general term for technologies for obtaining fresh water to remove the salt so that etc. sea water or saltwater containing salt used as drinking water or for other purposes, and chlorine (Cl -), sodium (Na +), as well as to remove a number of inorganic salts It is a technique to do.
  • desalination techniques can be classified into evaporation, crystallization, membrane, and solvent extraction depending on the presence or absence of phase change and the state of phase change.
  • evaporation and membrane methods are the most widely used desalination technologies.
  • the evaporation method is the oldest technique of desalination, and it is a method of distilling seawater to separate salt and water vapor and condensing water vapor to obtain fresh water.
  • the evaporation method is divided into a multi-effect distillation (MED), multiple-stage flash distillation (MSF), mechanical vapor compression distillation (MVC), etc. Can be classified as
  • Membrane method is the most widely used technology after evaporation among desalination techniques, and it is a method of separating fresh water from seawater using a separator.
  • Membrane methods can be classified into reverse osmosis method (RO) using reverse osmosis and electrodialysis method (ED) using electrolysis.
  • RO reverse osmosis method
  • ED electrodialysis method
  • the conventional evaporation method has a problem in that a large amount of energy must be continuously supplied to evaporate seawater into water vapor.
  • the conventional membrane method requires a frequent replacement of the low durability separation membrane, there is a problem that a process that needs to sufficiently pre-treated seawater.
  • Still another object is to provide a water quality improvement facility that can obtain fresh water or purified water at an economical cost using a vacuum chamber assembly.
  • Still another object is to provide a water quality improvement facility that can install a condenser and evaporator using the heat pump principle inside the vacuum chamber to improve the production of fresh water or purified water.
  • Still another object is to provide a water quality improvement facility that can increase the temperature of steam by mounting a steam heater inside the vacuum chamber, and increase the temperature difference between the steam and the condenser.
  • Another object is to provide a water quality improvement facility that can install a heat pipe between the condenser and sea water or sewage, and transfer the steam condensation heat received from the condenser to the sea water or sewage through the heat pipe to minimize the use of refrigerant.
  • Another object is to provide a water quality improvement facility which can improve the production of fresh water or purified water by using waste heat of high or low temperature which is not used.
  • Another object is to provide a deep water intake facility that can easily lift the deep water located in the sea deep above the sea surface using the vacuum chamber assembly.
  • the lower portion of the chamber is at least one portion is open, the flow through the open lower portion It provides a chamber assembly characterized in that the inner space of the vacuum state sealed by the sea water or sewage and the upper portion of the chamber.
  • the chamber assembly for maintaining the internal space of the chamber in a vacuum to induce the evaporation of sea water or sewage;
  • a condenser installed inside the chamber to condense water vapor generated in the chamber into fresh water or purified water;
  • a water discharge system for discharging fresh water or purified water produced by the condenser to the outside of the chamber.
  • the heat source inlet pipe of the evaporator or steam heater By flowing the fluid of the, there is an advantage that can effectively generate water vapor having a temperature higher than the sea water or sewage inside the chamber to significantly reduce the energy costs put into fresh water or purified water production process.
  • the deep-water lifting pipe connected from the inside of the chamber to the deep sea, and using the deep water discharge system for discharging the deep water lifted through the deep water lifting pipe to the upper structure outside the chamber or inside the chamber Therefore, there is an advantage that low-temperature deep water for temperature management of surface water and deep sea water used in related industries such as cosmetics or various beverage industries can be supplied at low cost.
  • FIG. 1 is a view schematically showing the configuration of a water quality improvement facility according to an embodiment of the present invention
  • Figure 2a is a view showing the change in boiling point of water with a change in the ambient pressure
  • 2B is a view showing a state change of water according to a change in ambient temperature and pressure
  • FIG. 3 is a view showing one configuration of a chamber assembly according to a first embodiment of the present invention.
  • FIG. 4 is a view showing another configuration of the chamber assembly according to the first embodiment of the present invention.
  • FIG. 5 is a view referred to for explaining a method of vacuuming a chamber assembly according to a first embodiment of the present invention
  • FIG. 6 is a view showing the configuration of a chamber assembly according to a second embodiment of the present invention.
  • FIG. 7 is a view referred to for explaining a method of vacuuming a chamber assembly according to a second embodiment of the present invention.
  • FIG. 8 is a view for explaining the configuration of the chamber assembly according to the third embodiment of the present invention and a method of lifting the depth of water by making the inside of the chamber assembly in a vacuum state;
  • FIG. 9 is a view showing the configuration of a chamber assembly according to a fourth embodiment of the present invention.
  • FIG. 10 is a view showing the overall shape of the floating desalination plant according to an embodiment of the present invention.
  • FIG. 11 is a view showing the configuration of a fresh water discharge system used in the floating desalination plant of FIG.
  • FIG. 12 is a view showing the overall shape of the floating desalination plant according to another embodiment of the present invention.
  • FIG. 13 is a view showing the overall shape of the stationary desalination plant according to an embodiment of the present invention.
  • FIG. 14 is a view showing the overall shape of the stationary desalination plant according to another embodiment of the present invention.
  • 15 is a view schematically showing the configuration of the water quality improvement equipment according to another embodiment of the present invention.
  • FIG. 16 is a reference referred to for explaining the principle of operation of the heat exchange system used in the water quality improvement installation of FIG. 15;
  • 17 is a view showing the overall shape of the seawater desalination plant according to an embodiment of the present invention.
  • FIG. 18 is a view showing a portion of the seawater desalination plant according to another embodiment of the present invention.
  • 19 is a view showing a portion of the seawater desalination plant according to another embodiment of the present invention.
  • a desalination plant refers to a facility for converting seawater (or seawater) into fresh water
  • a water purification plant refers to a facility for converting sewage (or contaminated water) into an integer.
  • the water quality improvement facility is a facility that collectively refers to a desalination facility and a water purification facility, and refers to a facility that converts seawater, brine or sewage into clean water that can be eaten by humans.
  • the present invention proposes a water quality improvement facility which can obtain fresh water or purified water at an economical cost using a chamber assembly having a vacuum inner space.
  • the present invention proposes a water quality improvement facility that can be equipped with a condenser and evaporator using the heat pump principle inside the vacuum chamber to improve the production of fresh water or purified water.
  • the present invention proposes a water quality improvement facility that can increase the temperature of the steam by mounting a steam heater inside the vacuum chamber and increase the temperature difference between the steam and the condenser.
  • the present invention proposes a water quality improvement facility that can install a heat pipe between the condenser and sea water or sewage, and transfer the steam condensation heat received from the condenser to the sea water or sewage through the heat pipe to minimize the use of the refrigerant.
  • the present invention proposes a water quality improvement facility that can improve the production of fresh water or purified water by using waste heat of high or low temperature which is not used.
  • the present invention proposes a deep water intake facility that can easily lift the deep water located in the sea deep above the sea surface using the vacuum chamber assembly.
  • FIG. 1 is a view schematically showing the configuration of the water quality improvement equipment according to an embodiment of the present invention.
  • the water quality improvement facility 100 may include a chamber assembly 110, a condenser 120, an evaporator 130, and a water discharge system 140.
  • the components shown in FIG. 1 are not essential to implementing a water quality improvement facility, such that the water quality improvement facilities described herein may have more or fewer components than those listed above.
  • the water quality improvement equipment 100 may include a desalination facility for converting seawater, brine, or sewage into clean water for human consumption, and a desalination facility for converting seawater into fresh water and a purification facility for converting sewage into purified water.
  • the water quality improvement facility 100 may be classified into a floating water quality improvement facility and a fixed water quality improvement facility according to the installation type of the chamber assembly 110.
  • the chamber assembly 110 is a structure floating on the sea water or the sewage or fixed on the sea water or the sewage, and may perform a function of evaporating the sea water or the sewage with water vapor using a chamber having a vacuum internal space.
  • a chamber having a vacuum internal space In order to perform this function, at least a portion of the lower portion of the chamber located below the sea level or the sewage surface is opened, so that the inner space enclosed by the seawater or the sewage introduced through the open lower portion and the side of the chamber is vacuumed. It may be configured to be formed, the upper portion above the water surface inside the chamber may be configured to be sealed with the outside of the chamber.
  • the seawater or sewage present in the chamber rises from the water surface outside the chamber to a certain height (eg, about 10m for 1 atmosphere) by the external atmospheric pressure.
  • the chamber assembly 110 is a structure installed on the land, and has a pipe assembly which is locked to extend to the sea water or sewage spaced by a predetermined distance from the bottom of the chamber, one end of the pipe assembly is opened,
  • the pipe may also be configured to serve as the open bottom to rise to a certain height from the water surface at the location where the inlet of the pipe assembly is installed.
  • the boiling point of the water is gradually lowered as the ambient pressure decreases.
  • water is boiled at about 50 ° C. at 0.1 atm, and water is boiled at about 10 ° C. at 0.01 atm.
  • the boiling point of water is lowered to a temperature of about 1 ° C. or less under such conditions. Therefore, natural evaporation occurs on the surface of the seawater or sewage existing inside the chamber, and low pressure in the water from the surface of the chamber to a certain depth according to the temperature and air pressure of the seawater or the sewage inside the chamber. Low temperature boiling occurs.
  • the evaporation phenomenon that occurs with boiling gradually decreases to reach the saturated steam pressure corresponding to the internal temperature of the chamber.
  • saturated steam pressure natural evaporation at sea level or sewage surface inside the chamber is stopped, but low temperature / low pressure boiling continues, and the same amount of supersaturated water vapor as it is caused by boiling naturally condenses to the surface inside the chamber. Falls.
  • the condenser 120 may be disposed inside the chamber to condense water vapor generated in the chamber and convert it into fresh water or purified water.
  • the condenser 120 is a kind of heat exchanger, and may include a heat exchange pipe arranged in a zigzag shape, a heat absorbing plate in contact with the heat exchange pipe, and a collecting pipe disposed at a lower end of the heat absorbing plate.
  • the condenser 120 may pass a refrigerant having a low temperature into a heat exchange pipe arranged in a zigzag form to condense water vapor existing outside the pipe.
  • the condenser 120 is a heat exchanger designed to efficiently perform the heat exchange necessary to effectively remove the condensation heat discharged in the process of converting water vapor into fresh water or purified water, and is not limited to the above-described form.
  • the evaporator 130 may be disposed inside the chamber, and may convert the seawater or the sewage introduced from the bottom or the outside of the chamber into a water vapor state.
  • the evaporator 130 may be evaporated by spraying seawater or filthy water whose temperature has risen while liquefying water vapor in the condenser 120 at a predetermined altitude.
  • the evaporator 130 may be evaporated by flowing seawater or sewage having a temperature rise along the plate or pipe structure arranged in a predetermined direction while liquefying water vapor in the condenser 120.
  • the evaporator 130 may include a heat exchange pipe arranged in a zigzag form and a heat sink in contact with the heat exchange pipe.
  • the evaporator 130 is a water tank installed on the inner surface of the chamber, a pump system for supplying the sea water or sewage existing inside or outside the chamber to the tank, and the heat installed inside the tank Exchange pipes.
  • the evaporator 130 uses a pump to pull up seawater or sewage introduced from the bottom or the outside of the chamber to a tank in which a heat exchange pipe having a high temperature fluid flows therein, and the seawater contained in the tank through the heat exchange pipe.
  • seawater or sewage may be evaporated in a manner that promotes the temperature rise of the sewage.
  • the evaporator 130 is effectively designed to increase the surface area, increase the volume of boiling, or increase the temperature of the seawater or sewage inside the chamber to assist in the process of vaporizing seawater or sewage present in the chamber into water vapor.
  • As an apparatus it is not limited to the form mentioned above.
  • the evaporator 130 installed inside the chamber is an essential component of the present invention. It will be apparent to those skilled in the art that the present invention may be configured to be omitted.
  • the water discharge system 140 may collect fresh water or purified water generated in the condenser 120 and discharge the fresh water or water out of the chamber.
  • the water discharge system 140 may be referred to as a fresh water discharge system or a purified water discharge system, depending on the type of water discharged from the facility 100.
  • the water discharge system 140 may include a drain pipe for discharging fresh water or purified water from the inside of the chamber and a check valve (or active control valve) for controlling fresh water or purified water movement in the drain pipe.
  • the check valve may be configured to be omitted.
  • the water quality improvement facility 100 may further include a concentrated water discharge system (not shown) disposed in an adjacent region of the evaporator 130 to concentrate and discharge seawater or sewage existing in the chamber.
  • the evaporator 130 and the concentrated water discharge system may be used as a pretreatment process of the wastewater discharge water purification system.
  • the evaporator and concentrated water discharge system may be used as a pretreatment process of a useful resource recovery system for detecting useful resources contained in seawater or sewage.
  • FIG 3 is a view showing one configuration of a chamber assembly according to a first embodiment of the present invention
  • Figure 4 is a view showing another configuration of a chamber assembly according to a first embodiment of the present invention.
  • the chamber assemblies 200 and 300 move the chambers 210 and 310 and the chambers for moving the chambers 210 and 310 in the vertical direction.
  • the apparatuses 220 and 320, the vacuum ejectors 230 and 330 for removing the condensation gas generated inside the chambers 210 and 310, and the chamber opening and closing unit for opening and closing the upper portions of the chambers 210 and 310 (not shown). May include).
  • Chambers 210 and 310 may be configured in a cylindrical or polyhedral shape having an empty space therein. It is preferable to use a cylindrical chamber in the small size below a fixed scale, and it is preferable to use a rectangular parallelepiped chamber in the large size more than a fixed scale.
  • Lower surfaces of the chambers 210 and 310 may be formed so that at least one portion thereof is opened to the outside, and upper surfaces of the chambers 210 and 310 may be completely sealed to the outside. Since the lower surface of the chamber is sealed by the water surface in which the chamber is locked, it is possible to maintain the airtight state without requiring a separate sealing means.
  • the upper surfaces of the chambers 210 and 310 may be formed flat or curved.
  • the upper surface of the chamber 210 may be configured in a curved shape (or a gradient shape).
  • the upper surface of the chamber 210 may be configured in a flat shape.
  • the chambers 210 and 310 may be formed of a hard material that can resist deformation caused by external pressure so as to maintain the internal space in a vacuum state.
  • the chambers 210 and 310 may be formed of a material that is not easily corroded to seawater, sewage, purified water or fresh water.
  • Chambers 210 and 310 may be fabricated based on frames in the horizontal and vertical directions to maintain strength.
  • the chambers 210 and 310 may have a double wall structure in order to minimize the influence of the change of the external environment and to prevent the internal vacuum state destruction from an accident that may occur.
  • the chambers 210 and 310 may be formed to have a height greater than the height (about 10 m) that the seawater or sewage present in the chamber rises from the surface of the chamber outside by the atmospheric pressure outside the chamber. This is to provide a vacuum space inside the chambers 210 and 310.
  • the chambers 210 and 310 may have sufficiently long submerged sites below sea level or sewage surface. This is to solve the structural problem of the connection of buoyancy tanks, and to ensure that the less contaminated seawater or sewage below a certain distance from the water surface can be naturally supplied into the chamber.
  • the chamber moving apparatuses 220 and 230 may provide the chambers 210 and 310 with a force in the vertical direction (or vertical direction) to submerge the chambers 210 and 310 in seawater or sewage and raise them again.
  • the chamber moving device (220, 230) may be configured as a buoyancy device that provides buoyancy when installed on the sea water or sewage, and when installed on the land electric or hydraulic such as crane, rope, pulley, rack and pinion It can be configured as a mechanical device using.
  • Chamber assemblies using buoyancy devices are preferably used in large water quality improvement installations installed on sea or sewage surfaces.
  • the chamber assembly using the mechanical device is preferably used in a small water quality improvement facility installed on land.
  • buoyancy tank or buoyancy structure
  • the plurality of buoyancy tanks 220 and 320 may provide buoyancy so that the chambers 210 and 310 float in a direction perpendicular to the water surface.
  • the plurality of buoyancy tanks 220 and 320 may support the chambers 210 and 310 so as not to be inclined sideways. The heavier the weight of the chambers 210 and 310, the greater the number of buoyancy tanks 220 and 320 or larger volume buoyancy tanks 220 and 320 are mounted to the corresponding chambers 210 and 310. Can be.
  • the plurality of buoyancy tanks 220 and 320 may be mounted in the lower region of the chambers 210 and 310. As shown in the figure, the plurality of buoyancy tanks 220 and 320 may be arranged to surround the lower end of the chambers 210 and 310. In addition, the plurality of buoyancy tanks 220 and 320 may be arranged in a shape corresponding to the cross-sectional shape of the chambers 210 and 310. In addition, the plurality of buoyancy tanks 220 and 320 may be formed to have one or more arrangements.
  • the plurality of buoyancy tanks 220 and 320 may be connected to the chambers 210 and 310 through a first fastening device (not shown). Each buoyancy tank 220, 320 may be connected to adjacent buoyancy tanks 220, 320 through a second fastening device (not shown). In addition, each buoyancy tank 220, 320 may include one or more air injection valves (not shown) for injecting compressed air and one or more submersion valves (not shown) for submerging the buoyancy tanks 220, 320. Can be. The air injection valve and the submersion valve may be integrally formed through a three-way or four-way valve.
  • Each buoyancy tank 220, 320 may be configured in a spherical, oval or polyhedral shape.
  • each buoyancy tank 220, 320 may be spherical.
  • each of the buoyancy tanks 220 and 320 may be formed in an elliptic shape.
  • the plurality of buoyancy tanks may be integrally formed and constitute one buoyancy tank.
  • the vacuum ejectors 230 and 330 may remove the condensation gas generated inside the chambers 210 and 310.
  • the uncondensed gas refers to an uncondensed dissolved gas such as oxygen (O 2 ), carbon dioxide (CO 2 ), and the like dissolved in water.
  • One or more vacuum ejectors 230 and 330 may be installed on the chambers 210 and 310.
  • one vacuum ejector 230 may be installed on the upper surface of the chamber 210.
  • three vacuum ejectors 330 may be installed on the upper surface of the chamber 310.
  • the capacity and number of the vacuum ejectors 230 and 330 used in the chamber assemblies 200 and 300 may be determined according to the size and shape of the chambers 210 and 310.
  • the chamber opening and closing part may be installed at an upper portion of the chambers 210 and 310 to open and close at least a portion of the chambers 210 and 310.
  • the chamber opening and closing portion may be used to make a change in state inside the chamber. That is, to open the chamber opening and closing part to immerse the chambers 210 and 310 in the water surface to allow the air inside the chamber to be discharged to the outside, and to raise the chambers 210 and 310 to make the chamber inside a vacuum state. It is possible to close the chamber opening before raising.
  • the chamber opening and closing portion may be made in the form of a hatch or in the form of a valve.
  • the chamber opening and closing portion When the chamber opening and closing portion is made in the form of a valve, the chamber opening and closing portion may be integrally formed with the vacuum ejectors 230 and 330 or may be formed separately. Hereinafter, it will be described on the assumption that the chamber opening and closing unit and the vacuum ejector are integrally formed.
  • the chamber opening and closing unit may block the outside air from entering the chamber to maintain the interior spaces of the chambers 210 and 310 in a vacuum state.
  • Such chamber assemblies 200 and 300 may be used in desalination equipment as well as water purification equipment.
  • the chamber assemblies 200 and 300 may be installed to be fixed or fixed to float on seawater or sewage.
  • FIG. 5 is a view referred to for explaining a method of making a chamber assembly in a vacuum state according to a first embodiment of the present invention. In this embodiment, it will be described by illustrating the installation of the vacuum chamber assembly on the sea.
  • the chamber assembly 200 is mounted on a barge and moved to an installation place on the sea.
  • the valve of the vacuum ejector ie, the chamber opening and closing part 230
  • the submersion valve of each buoyancy tank 220 are opened, and then the chamber assembly 200 is vertically erected so as to submerge slowly below the sea level.
  • seawater is pushed into the inner space of the chamber 210 and each buoyancy tank 220 so that no air remains inside the chamber.
  • the seawater existing inside the chamber 210 is raised from the sea level to h height (approximately 10m at 1 atmosphere) by the atmospheric pressure outside the chamber.
  • the injection of compressed air through the air conditioner is stopped.
  • the upper space 240 of the seawater existing inside the chamber 210 forms a vacuum state.
  • FIG. 6 is a view showing the configuration of a chamber assembly according to a second embodiment of the present invention.
  • the chamber assembly 400 is a chamber assembly used in a desalination plant, and includes a chamber 410 and a vacuum ejector 420 formed in the chamber 410. It may include an air control opening and closing portion 430, openable seawater injection system 440, and the seawater outflow opening and closing portion 450 formed on the lower surface of the chamber 410.
  • the openable seawater injection system 440 may be referred to as open and close sewage injection system
  • the seawater inlet opening and closing portion 450 is referred to as open and close for sewage inflow and outflow. Can be.
  • the chamber 410 may have a cylindrical or polyhedral shape having an empty space therein.
  • the chamber 410 may make an empty space therein into a vacuum state and then evaporate seawater or sewage present therein with water vapor, and condense the evaporated water vapor to generate fresh water or purified water.
  • the upper and / or lower surface of the chamber 410 may be formed in a multi-sided shape (or a gradient shape) or may be formed in a flat shape, but is not necessarily limited thereto.
  • the chamber 410 may be formed of a rigid material that can resist deformation caused by external pressure.
  • the chamber 410 may be formed of a material that is not easily corroded to sea water, sewage, purified water or fresh water.
  • the chamber 410 may be fabricated based on frames in the horizontal and vertical directions to maintain strength.
  • the chamber 410 may be formed of a double wall structure to minimize the impact of the change in the external environment, and to prevent the destruction of the internal vacuum state from an accident that may occur.
  • the chamber 410 may be formed to have a height greater than the height (about 10 m) that the seawater or sewage existing therein rises from the surface of the chamber outside by the atmospheric pressure outside the chamber. This is to provide a vacuum space of a sufficient size inside the chamber 410.
  • the vacuum ejector 420 may be installed on the upper surface of the chamber 410 to remove the condensation gas generated in the internal space of the chamber 410.
  • the uncondensed gas refers to an uncondensed dissolved gas such as oxygen (O 2 ), carbon dioxide (CO 2 ), and the like dissolved in water.
  • At least one vacuum ejector 420 may be installed at an upper portion of the chamber 410.
  • the capacity and number of the vacuum ejector 420 installed in the chamber 410 may be changed according to the size and shape of the chamber 410.
  • the air control opening and closing portion (or the first chamber opening and closing portion 430) may be installed on the upper surface of the chamber 410 to open and close at least a portion of the upper portion of the chamber 410.
  • the air control opening and closing portion 430 may be used to make the internal space of the chamber 410 into a vacuum state. That is, when injecting sea water or sewage into the chamber 410, by opening the air control opening and closing portion 430 to discharge the air present in the chamber 410 to the outside, the sea water or sewage in the chamber 410 When all the air is full and discharged to the outside, the air control opening and closing portion 430 can be closed.
  • One or more air adjusting openings and closing portions 430 may be installed at an upper portion of the chamber 410.
  • the air control opening and closing portion 430 may be formed integrally with the vacuum ejector 420 or may be formed separately.
  • the open / close seawater injection system (or the second chamber opening and closing portion 440) may be installed at an upper surface or a side surface of the chamber 410 to open or close at least a portion of the chamber 410.
  • the openable seawater injection system 440 may also be used to vacuum the internal space of the chamber 410. That is, opening and closing the seawater injection system 440 opens and injects seawater or sewage into the chamber 410, and when the injected seawater or sewage is filled in the chamber 410, the seawater injection system 440 that can be opened and closed is opened. Can be closed.
  • One or more openable seawater injection system 440 may be installed in the chamber 410.
  • the seawater inflow opening / closing unit 460 may be installed at a lower surface of the chamber 410 to open and close at least a portion of the lower portion of the chamber 410.
  • the seawater inflow opening / closing unit 460 may be opened to discharge the seawater or the sewage existing in the chamber 410 to the outside, or the seawater or the sewage existing in the outside may be introduced into the chamber 410.
  • One or more openings 450 may be installed at the bottom of the chamber 410.
  • three seawater inflow openings and closings 450 may be installed on the lower surface of the chamber 410.
  • the capacity and number of the seawater inflow opening / closing portion 450 installed in the chamber 410 may be changed according to the size and shape of the chamber 410.
  • At least one of the opening and closing devices 430, 440, and 450 installed in the chamber 410 may be made in the form of a hatch or in the form of a valve.
  • a lower surface of the chamber 410 may be formed so that at least one portion thereof is opened to the outside, and the upper surface of the chamber 410 is formed to be completely sealed to the outside.
  • the lower surface of the chamber is locked to seawater or sewage and is completely sealed by the sea level or sewage surface, thereby maintaining a hermetic state.
  • FIG. 7 is a view referred to for explaining a method of making a chamber assembly in a vacuum state according to a second embodiment of the present invention. In this embodiment, it will be described by illustrating the installation of the vacuum chamber assembly fixed on the sea.
  • the chamber assembly 400 according to the present invention is loaded on the barge and moved to the installation site on the sea.
  • a fixing pillar (not shown) may be installed on the sea bottom, and the chamber assembly 400 may be fixed using the fixing pillar.
  • the upper portion of the chamber assembly 400 may be positioned above the sea level, and the lower portion may be fixed below the sea level.
  • the seawater inflow opening and closing portion 450 installed on the lower surface of the chamber 410 is closed, and the air control opening and closing portion 430 and the seawater injection system 440 that can be opened and closed are installed on the chamber 410. ) Can be opened.
  • FIG. 8 is a view for explaining the configuration of the chamber assembly according to the third embodiment of the present invention and the method of lifting the depth by making the chamber assembly in a vacuum state.
  • the chamber assembly 400 may include a chamber 410, a vacuum ejector 420 formed in the chamber 410, an opening / closing part 430 for air regulation, and opening / closing.
  • the chamber assembly 400 may further include a deep water lifting pipe 460 and a deep water discharge system 470.
  • the deep water lifting pipe 460 and the deep water discharge system 470 added to the chamber assembly of FIG. 6 will be described in detail.
  • the deep water lifting pipe 460 extends vertically from the inside of the chamber to the deep sea through the seawater inflow opening / closing portion 450 installed at the lower portion of the chamber 410, and may lift the deep water above a predetermined depth from the sea surface. At this time, the diameter of the deep water lifting pipe 460 should be smaller than the diameter of the opening and closing portion 450 for seawater outflow. In addition, the length of the deep water lifting pipe 460 may be determined according to the use of the deep water and the situation of the water body.
  • the deep water lifting pipe 460 is formed to penetrate through the opening and closing portion 450 for seawater outflow, but not limited to this, the chamber 410 is not installed, the opening and closing portion 450 for seawater outflow It will be apparent to those skilled in the art that the device may be installed through the lower surface or the side.
  • the upper end of the deep water lifting pipe 460 may be installed to be located higher than the inner surface of the chamber 410. This is to prevent the deep water present in the deep water lifting pipe 460 and the sea water present in the chamber do not mix with each other.
  • the upper end of the deep water lifting pipe 460 may be installed in an empty space inside the chamber, and may be formed to be exposed to the internal space in a vacuum state. Accordingly, the deep water lifting pipe 460 may pull up the deep water located deep in the sea to the vicinity of the surface of the water due to the pressure difference between the inside of the chamber and the outside of the chamber.
  • Insulating pipe 465 may be additionally installed on the outside from the upper end of the deep water lifting pipe 460 to a predetermined depth to prevent a temperature increase of the deep water through heat exchange with the surface water.
  • the heat insulation pipe 465 may be configured to additionally install a pipe having a larger diameter on the outside of the deep water lifting pipe 460. That is, at least one portion of the deep water lifting pipe 460 may be formed in a double pipe structure for external insulation.
  • the seawater inside the chamber and the deep water lifting pipe 460 are provided. It is possible to prevent the temperature rise of the deep water existing in the deep water lifting pipe 460 by preventing direct heat exchange.
  • Deep water that is lifted from the bottom of the deep water lifting pipe 460 can be used in the industry utilizing the deep sea water. It can be used for heat control in places where cooling is required, such as for controlling the temperature of a plant or in a desalination plant.
  • the deep water discharge system 470 includes a pump 471 for discharging deep water, a deep water inlet pipe 473 connecting between the pump 471 and the deep water lifting pipe 460, the pump 471 and an external device ( It may be composed of a deep water discharge pipe 475 connecting between.
  • the deep water discharge system 470 may pull up the deep water present in the deep water lifting pipe 460 and discharge the deep water to an external device.
  • the pump 471 may be installed on the upper surface of the chamber 410, but is not necessarily limited thereto.
  • the deep water inlet pipe 473 may be installed in the chamber.
  • the deep water discharge pipe 475 may be connected to an input terminal of a heat exchanger or to a storage tank or a transport pipe according to the purpose of the deep water discharge.
  • the deep water lifting pipe 460 and the deep water discharge system 470 may be formed of a material that is not easily corroded to sea water.
  • the deep water lifting pipe 460 may be formed of a hard material that can withstand environmental changes in the deep sea.
  • the chamber assembly 400 may not only convert seawater into fresh water using a chamber having a vacuum state, but also may easily lift deep water deep in the sea. Hereinafter, a method of lifting deep water by vacuuming the inside of the chamber assembly will be described.
  • the chamber assembly 400 according to the present invention is loaded on a barge and then moved to an installation place on the sea.
  • a fixing pillar (not shown) may be installed on the sea bottom, and the chamber assembly 400 may be fixed using the fixing pillar.
  • the seawater inflow opening and closing portion 450 installed on the lower surface of the chamber 410 is closed, and the air control opening and closing portion 430 and the seawater injection system 440 that can be opened and closed are installed on the chamber 410. ) Can be opened.
  • the inner surface of the deep water lifting pipe 460 is almost the same as the water level inside the chamber, but in general, the depth of the deep sea near the bottom of the deep water lifting pipe 460 is higher than that of the deep sea water near the top of the deep sea lifting pipe. As the seawater is lifted through the pump, the seawater inside the lifting pipe becomes denser and the water surface inside the deep water lifting pipe becomes lower than the water surface inside the chamber.
  • FIG. 9 is a view showing the configuration of a chamber assembly according to a fourth embodiment of the present invention.
  • the chamber assembly 500 includes a chamber 510 and 520 using a ship structure, a vacuum ejector 511 installed in the chambers 510 and 520, and A seawater injection system 513 that can be opened and closed, an air control opening and closing portion 515, and a seawater inflow opening and closing portion 517 may be included.
  • Chambers 510 and 520 may be configured as a cargo hold of a ship.
  • the cargo hold may include a process window 510 and a storage window 520 disposed in an adjacent area of the process window 510.
  • Cargo holds may be constructed based on frames in the horizontal and vertical directions to maintain strength.
  • the cargo hold may be formed to have a plurality of physical spaces through watertight members such as longitudinal / transverse bulkheads.
  • the upper and / or lower surface of the cargo hold may be formed in a multi-sided shape (or gradient shape) or in a flat shape, but is not necessarily limited thereto.
  • the cargo hold may be formed of a rigid material that can resist deformation caused by external pressure.
  • the cargo hold may be formed of a material that is not easily corroded to sea water or fresh water.
  • the process window 510 is formed surrounded by the watertight member of the cargo hold and the like, and may be configured in a cylindrical or polyhedral shape having an empty space therein, but is not necessarily limited thereto.
  • the process window 510 may make the empty space inside the vacuum state and then evaporate the seawater existing therein with water vapor and condense the evaporated water vapor to generate fresh water.
  • the process window 510 may be formed such that the seawater present therein has a height greater than the height (about 10 m) that rises from the surface to the maximum by the atmospheric pressure outside the process window. This is to provide a vacuum space of sufficient size on the water surface inside the process window 510.
  • the process window 510 may vacuum an empty space inside to induce evaporation and boiling of seawater at a very low temperature.
  • the lower portion of the process window 510 may be configured so that at least a portion of the process window is opened so that the sea water can be continuously introduced, and the upper portion of the process window 510 is sealed to the outside to maintain the inside of the vacuum state Can be configured to
  • the seawater existing inside the process window 510 is raised from the sea level to a certain height by the atmospheric pressure outside the process window.
  • evaporation occurs on the surface of the seawater existing in the process window 510, and is continuously controlled to a predetermined depth below the surface of the seawater inside the process window by the pressure of the space above the surface of the seawater inside the process window and the temperature of the seawater inside the process window.
  • Low temperature / low pressure boiling occurs and water vapor is rapidly supplied to the space above the surface of the seawater inside the vacuum process window.
  • the process window 510 may include one or more vacuum ejectors 511, one or more openable seawater injection systems 513, and one or more air control openings and closing parts 515.
  • the vacuum ejector 511 may be installed on the upper surface of the process window 510 to remove the condensation gas generated in the space on the inner seawater surface of the process window 510.
  • the uncondensed gas refers to an uncondensed dissolved gas such as oxygen (O 2 ), carbon dioxide (CO 2 ), and the like dissolved in water.
  • the open / close seawater injection system 513 may be installed on an upper surface of the process window 510 to open or close at least a portion of the process window 510.
  • the openable seawater injection system 513 may be used to vacuum the space on the inner seawater surface of the process window 510. That is, the seawater injection system 513 that can be opened and closed to inject seawater into the process window 510, and when the injected seawater is filled in the process window 510, the seawater injection system 513 that can be opened and closed can be closed. Can be.
  • the air control opening and closing unit 515 may be installed on an upper surface of the process window 510 to open and close at least a portion of the process window 510.
  • the air control opening and closing portion 515 may also be used to vacuum the space on the inner seawater surface of the process window 510. That is, when the sea water is injected into the process window 510, the air control opening and closing unit 515 is opened to discharge the air existing in the process window 510 to the outside, and the sea water is filled inside the process window 510. When all the air is discharged to the outside, the air adjusting opening and closing portion 515 may be closed.
  • the opening and closing portion 517 for flowing out of the sea water may be installed at a lower surface of the process window 510 to open and close at least a portion of the process window 510.
  • the seawater inflow opening / closing unit 517 may be opened to discharge the seawater existing inside the process window 510 to the outside, or the seawater existing outside may be introduced into the process window 510.
  • the storage window 520 is formed surrounded by the watertight member of the cargo hold, etc., and may be configured in a cylindrical or polyhedral shape having an empty space therein, but is not necessarily limited thereto.
  • the storage window 520 may be disposed in an adjacent area of the process window 510 to store fresh water generated in the process window 510.
  • the storage window 520 may provide a predetermined buoyancy force so that the chamber assembly 500 floats on the seawater.
  • FIG. 10 is a view showing the overall shape of the floating desalination plant according to an embodiment of the present invention.
  • the floating desalination plant 600 may include a chamber assembly 610, a freshwater condenser 620, a seawater evaporator 630, and a freshwater discharge system 640. have.
  • the floating desalination plant 600 is a plate installation (or deck, 650), fresh water supply pump 660, sea water supply pump 670, air conditioner (not shown), power supply (not shown), It may further include a power supply (not shown), an anchor connection device (not shown), a control device (not shown), a living and control space (not shown), and the like.
  • the chamber assembly 610 is provided with a chamber 611 having a vacuum inner space, a plurality of buoyancy tanks 612 mounted on an outer side of the chamber 611, and an upper portion of the chamber 611.
  • One or more vacuum ejectors 613 may be included.
  • the inner space of the vacuum state may be formed by submerging the chamber assembly 610 below the sea level and then rising above the sea level, as shown in FIG. 5.
  • the chamber 611 maintains the space above the inner seawater surface in a vacuum state to induce the evaporation of seawater at a very low temperature.
  • the lower surface of the chamber 611 may be configured so that at least a portion thereof is open so that the sea water can be continuously introduced, the upper surface of the chamber 611 is sealed to the outside so that the space on the inner sea water surface of the chamber is in a vacuum state Can be configured to maintain.
  • the airtight state can be maintained without requiring a separate sealing means.
  • the seawater existing inside the chamber 611 rises from the sea level to a certain height by the atmospheric pressure outside the chamber. In addition, a continuous evaporation phenomenon occurs on the surface of the seawater existing inside the chamber 611.
  • One or more vacuum ejectors 613 may be installed on the upper surface of the chamber 611.
  • the vacuum ejector 613 may remove the condensation gas generated in the space on the inner seawater surface of the chamber 611.
  • the vacuum ejector 613 may open or close at least a portion of the chamber 611 such that air or sea water is injected into the chamber 611 when the chamber assembly 610 is installed or maintained.
  • the plurality of buoyancy tanks 612 may provide buoyancy so that the chamber 611 floats in a direction perpendicular to the sea level.
  • An opening may be formed at a lower portion of each buoyancy tank 612, and an air injection valve (not shown) and an immersion valve (not shown) may be installed at an upper portion.
  • the immersion valve opens the valve to submerge the air when the chamber assembly 610 is immersed, and after the chamber assembly 610 is submerged to a desired depth, the valve can be closed to maintain a constant depth in the water. have.
  • compressed air is injected through the air inlet valve, the seawater present in the buoyancy tanks 612 is forced out through the lower opening, and the compressed air occupies the position to provide buoyancy.
  • the buoyancy of the buoyancy tanks 612 may raise the chamber assembly 610 to a desired depth.
  • the plate facility 650 may be installed on the buoyancy tanks 612. On the plate installation 650 various facilities or equipment such as freshwater supply pump 660, seawater supply pump 670, air conditioner, power supply, power supply, anchor connection device, control device, residence and control space, etc. Can be arranged.
  • the plate fixture 650 may be configured to be fixed to the top of the buoyancy tanks 612 through a separate fastening device (not shown). Meanwhile, in another embodiment, the plate installation 650 may have its own buoyancy device and may be configured to always float on the sea level existing on the buoyancy tanks 612 around the chamber assembly 610.
  • the air conditioner may inject compressed air into the buoyancy tank 612 or discharge compressed air present in the buoyancy tank 612 to the outside.
  • the power supply may supply power to the components of the floating desalination plant 600.
  • the power supply may power the components of the floating desalination plant 600.
  • the anchor connection device may be fixed to the initial installation site by fastening the plate installation 650 and the anchor device (not shown), so that the floating desalination installation 600 is not pushed out by sea water and sea wind.
  • the anchor connection device may be configured to perform the function of the magnetic positioning device used in a special vessel such as Floating, Production, Storage, and Offloading (FPSO) if necessary.
  • FPSO Floating, Production, Storage, and Offloading
  • the magnetic position maintaining device is composed of a mooring system for fixing the ship at four points on the sea and a swing thrust generator for maintaining a constant position.
  • the control device may control the overall operation of the floating desalination plant 600.
  • Residence and control space is a space for the residence and duty of personnel who will be in charge of the operation of the floating desalination plant (600).
  • the fresh water supply pump 660 may supply fresh water collected from the fresh water discharge system 640 through the drain pipe 665 connected to the fresh water in the direction of the fresh water.
  • the seawater supply pump 670 may take in seawater existing inside or outside the chamber and supply the seawater to the fresh water condenser 620.
  • a water intake pipe 680 may be installed between the sea water supply pump 670 and seawater inside or outside the chamber, and a cold water supply pipe 685 may be installed between the sea water supply pump 670 and the fresh water condenser 620.
  • the hot water supply pipe 690 may be installed between the freshwater condenser 620 and the seawater evaporator 630. Accordingly, the seawater obtained through the intake pipe 680 flows to the hot water supply pipe 690 through the heat exchange pipe of the cold water supply pipe 685 and the fresh water condenser 620.
  • the freshwater condenser 620 may be disposed above the inner space of the chamber 611 to condense water vapor generated in the space above the seawater surface inside the chamber 611 to convert it into fresh water.
  • the freshwater condenser 620 may include a heat exchange pipe (not shown) arranged in a zigzag shape, a heat absorbing plate (not shown) in contact with the heat exchange pipe, and a fresh water collector disposed at a lower end of the heat absorbing plate. It may be composed of a water pipe (625).
  • the endothermic plate of the fresh water condenser 620 is cooled in the process of passing the sea water of low temperature into the heat exchange pipe to condense the water vapor existing in the outside of the pipe, in the process the gaseous water vapor in the liquid state By transferring the liquefied heat from the process of conversion to fresh water to the seawater flowing into the heat exchange pipe to increase the temperature of the sea water passing through the heat exchange pipe of the fresh water condenser 620.
  • the freshwater condenser 620 is a heat exchanger designed to efficiently perform heat exchange necessary to effectively remove the heat of condensation discharged in the process of converting water vapor into fresh water, and the present invention is not limited to the above-described form.
  • the seawater evaporator 630 is disposed below the freshwater condenser 620, and sprays seawater (that is, seawater whose temperature rises while liquefying water vapor in the freshwater condenser) or is disposed in a vertical direction. Alternatively, seawater can be evaporated by flowing along pipe-like structures.
  • the sum of the surface area of each droplet acts as an additional evaporation area until it reaches the sea level inside the chamber, resulting in the total evaporation area that contributes to the evaporation of sea water along with the sea surface area inside the chamber.
  • the surface area of the plate or pipe structure acts as an additional evaporation area, which is the total evaporation area that contributes to the evaporation of sea water together with the sea surface area inside the chamber.
  • the sea water evaporator 630 is a water tank installed on the inner surface of the chamber, a pump system for supplying the sea water existing in or out of the chamber to the tank, and the heat exchange installed in the interior of the tank It may include a pipe.
  • the sea water evaporator 630 is a pump using the pump to pull up the sea water introduced from the lower or the outside of the chamber to the tank in which the heat exchange pipe, the fluid of high temperature flows, the temperature rise of the sea water contained in the tank through the heat exchange pipe Seawater can be evaporated in such a way that
  • the seawater evaporator 630 is an apparatus designed to effectively expand the surface area, increase the volume of boiling, or increase the seawater temperature inside the chamber to assist in the process of vaporizing seawater existing in the chamber with water vapor. It is not limited to one form.
  • the freshwater condenser 620 and the seawater evaporator 630 may be installed spaced apart from the seawater existing in the chamber.
  • the sea water evaporator 630 may be disposed to be spaced apart from the fresh water condenser 620 by a predetermined distance.
  • the fresh water discharge system 640 may be disposed between the fresh water supply pump 660 and the fresh water collecting pipe 625 to discharge fresh water collected in the fresh water collecting pipe 625 out of the chamber 611.
  • the fresh water discharge system 640 may be configured by applying an S trap (S trap) structure.
  • the fresh water discharge system 640 is installed on the lower end of the S-shaped drain pipe 641 and the S-shaped drain pipe 641 to discharge fresh water from the inside of the chamber to the fresh water movement It may include a check valve (or active control valve, 642) for controlling.
  • the S-shaped drain pipe 641 may be formed in two U trap structures.
  • One end of the S-shaped drain pipe 641 may be installed in the chamber 611 to be connected to the fresh water collection pipe 625. At this time, one end of the S-shaped drain pipe 641 may be formed to open toward the upper direction.
  • the S-shaped drain pipe 641 is a first pipe formed to extend vertically from the fresh water collecting pipe 625 in a downward direction by a first distance L 1 , and is bent in a U shape at a lower end of the first pipe.
  • a third pipe formed to extend vertically by a third distance L 3 in a lower direction of the second U trap part.
  • the other end of the S-shaped drain pipe 641 may be installed outside the chamber 611 and connected to the fresh water supply pump 660. At this time, the other end of the S-shaped drain pipe 641 may be formed to open toward the lower direction.
  • the other end of the S-shaped drain pipe 641 is arranged high, the water collecting is installed where fresh water is needed by using the height of the other end. Fresh water can also be supplied through sloped drains to the unit.
  • the check valve 642 may be installed at the lower end of the second pipe or the lower end of the first U trap of the S-shaped drain pipe 641.
  • the check valve 642 may be configured to withstand a predetermined pressure.
  • the check valve ( 642) is kept closed by atmospheric pressure opposite the check valve.
  • the check valve 642 is configured such that the height (or altitude, H 1 ) of the fresh water surface collected by the first pipe connected to the fresh water collecting pipe 625 is greater than the opening pressure (ie, the check valve operating pressure) set in the check valve. If it is high enough to have, the valve will open automatically to drain fresh water over the check valve. At this time, the second pipe of the S-shaped drain pipe 641 is filled with water from the bottom to prevent air from entering the chamber.
  • Fresh water produced in the fresh water condenser 620 flows to the first pipe through the fresh water collecting pipe 625, and fresh water that starts to rise from the lower end of the first U trap part contacts the valve face of the first U trap part of the check valve.
  • the fresh water height H 1 inside the first pipe connected to the fresh water collecting pipe 625 exceeds a preset check valve operating height, the corresponding check valve is automatically opened and the water level inside the second pipe is increased.
  • the fresh water continues to collect and cross the second U trap, it is discharged to the outside through the third pipe.
  • the valve may be automatically closed to prevent the vacuum inside the chamber from being destroyed.
  • the lower end of the first U trap portion may be provided with a valve for draining so that the seawater that was inside the first pipe may be discharged together when draining the seawater.
  • an air vent may be installed at an upper end of the second U trap so that drainage from the third pipe may be smoothly performed.
  • the fresh water discharge system may be composed of an asymmetric U-shaped drain pipe consisting of a lower U trap.
  • the asymmetric U-shaped drain pipe is a first pipe extending perpendicularly from the fresh water collecting pipe 635 by a first distance L 1 , and bent in a U shape at a lower end of the first pipe. It may include a U trap portion, a second pipe formed to extend vertically by a second distance (L 2 ) in the upper direction of the U trap portion, and a check valve installed after the first U trap portion.
  • the second pipe may be omitted according to the designer's intention. Since the asymmetric U-shaped drain pipe is not included after the check valve of the S-shaped drain pipe, a separate drawing is not added.
  • the operating principle of the asymmetric U-shaped drain pipe is the same as that of the S-shaped drain pipe.
  • Fresh water made in the fresh water condenser 630 flows to the first pipe through the fresh water collecting pipe 635, and fresh water that starts to rise from the bottom of the U trap part contacts the valve side of the U trap part of the check valve.
  • the check valve is automatically opened and the water surface inside the second pipe is increased.
  • the fresh water continues to gather beyond the end of the second pipe, the fresh water flows out of the pipe and enters the fresh water supply pump 660.
  • the valve may be automatically closed to prevent the vacuum state inside the chamber 611 from being destroyed.
  • the floating desalination plant 600 installs a chamber having an internal space in a vacuum state over the sea to make the seawater present in the chamber much higher than a conventional evaporation method.
  • a chamber having an internal space in a vacuum state over the sea to make the seawater present in the chamber much higher than a conventional evaporation method.
  • the floating desalination plant according to the present invention can secure a vacuum state at low cost, so it is not necessary to provide a separate thermal energy to raise the temperature of the seawater itself, but because the evaporation occurs at a low temperature, Lower condensers must be provided to condense water vapor, and very low temperature condensers need to be built to increase fresh water production.
  • FIG. 12 is a view showing the overall shape of the floating desalination plant according to another embodiment of the present invention.
  • the floating desalination plant 700 is a floating desalination plant based on a ship structure, and includes chamber assemblies 710 and 720, a heat exchange system 730, and a fresh water discharge system. 740 may include.
  • the floating desalination plant 700 is a seawater supply pump 750, freshwater unloading pump 760, power supply (not shown), power supply (not shown), power converter (not shown), control A device (not shown) may be further included.
  • the chamber assembly includes chambers 710 and 720 using a vessel structure, a vacuum ejector 711 installed in the chambers 710 and 720, a seawater injection system 713 that can be opened and closed, an air conditioning switch 715 and seawater outflow and inflow.
  • opening and closing portion 717 may include.
  • the chambers 710 and 720 may be cargo holds of a ship, and may include one or more process windows 710 and one or more storage windows 720 disposed in an adjacent area of the process window 710.
  • the process window 710 is formed surrounded by a watertight member of the cargo hold and the like, and may be configured in a cylindrical or polyhedral shape having an empty space in a vacuum state therein, but is not necessarily limited thereto.
  • the process window 710 may make the space above the surface of the internal seawater into a vacuum state, and then evaporate the seawater present in the process window with water vapor, and condense the evaporated water vapor to generate fresh water.
  • the process window 710 may be configured to have a wide cross-sectional area at the top and a narrow cross-sectional area at the bottom. That is, the process window 710 is connected to the opening of the lower portion through the seawater outflow pipe passing through the storage window 720 made through the vertical and horizontal partitions. At this time, it is preferable that the cross-sectional area of the seawater inflow pipe is wide enough so that the supply of seawater required for freshwater production is smooth and the inflow rate of seawater is not too fast.
  • the height of the horizontal bulkhead of the storage window 720 is a range in which the space from the water surface inside the process window to the depth where low temperature / low pressure boiling occurs depending on the operating situation inside the process window 710 may be included in the process window 710.
  • the process window 710 may be provided with one or more vacuum ejector 711, openable seawater injection system 713 and the air opening and closing portion 715.
  • the lower portion of the process window 710 may be provided with one or more opening and closing portion 717 for the inflow and outflow of seawater.
  • the vacuum ejector 711, the open and close seawater injection system 713, the air control opening and closing portion 715 and the seawater outflow opening and closing portion 713 are the vacuum ejector 511 shown in FIG. 8, the open and close seawater injection system ( 513, the same as or similar to the air control opening and closing portion 515 and the seawater outflow opening and closing portion 513 will be omitted a detailed description thereof.
  • the storage window 720 is formed surrounded by the watertight member of the cargo hold and the like, and may be configured in a cylindrical or polyhedral shape having an empty space therein, but is not necessarily limited thereto.
  • the lower end of the process window 710 corresponding to the seawater outflow pipe for supplying seawater is disposed in the central portion of the storage window 720.
  • the storage window 720 may be disposed to surround the lower end of the process window 710 to store fresh water generated in the process window 710.
  • the storage window 720 may provide a predetermined buoyancy so that the floating desalination plant 700 is floating on the sea water.
  • Heat exchange system 730 may include a heat pump evaporator (or fresh water condenser, 731), a compressor 732, a heat pump condenser (sea water evaporator, 733), and an expansion valve 734.
  • the heat exchange system 730 has a structure in which a refrigerant circulates through the heat pump evaporator 731, the compressor 732, the heat pump condenser 733, and the expansion valve 734.
  • the heat pump evaporator 731 may be disposed above the inner space of the process window 710 to condense water vapor generated in the space on the surface of the seawater inside the process window 710 and convert the water vapor into fresh water.
  • the heat pump evaporator 731 includes a heat exchange pipe (not shown) arranged in a zigzag shape, a heat absorbing plate (not shown) in contact with the heat exchange pipe, and a fresh water collecting pipe 731a disposed at a lower end of the heat absorbing plate. It can be composed of).
  • the heat pump evaporator 731 may condense water vapor existing outside the pipe and the heat absorbing plate by passing a low temperature refrigerant into the heat exchange pipe.
  • the compressor 732 may be installed outside the cargo holds 710 and 720 to compress the refrigerant from the heat pump evaporator 731 and provide it to the heat pump condenser 733.
  • the expansion valve 734 may be installed outside the cargo holds 710 and 720 to expand the refrigerant from the heat pump condenser 733 and provide it to the heat pump evaporator 731.
  • the compressor 732 and expansion valve 734 is illustrated to be installed outside the cargo hold (710, 720), but not limited to this, installed in the cargo hold (710, 720) or other suitable location. It may also be configured to.
  • the heat pump condenser 733 may be disposed in the interior space of the process window 710 and may convert the seawater from the seawater supply pipe 753 to vaporize the water.
  • the heat pump condenser 733 may include a heat exchange pipe (not shown) arranged in a zigzag shape and a heat sink (not shown) in contact with the heat exchange pipe.
  • the heat pump condenser 733 transfers heat generated in a process of making a high temperature / high pressure gaseous refrigerant through a heat exchange pipe to form a low temperature liquid state to a heat sink to deliver seawater existing outside the pipe and the heat sink. Can be evaporated.
  • the heat pump condenser 733 may be installed spaced apart from the sea surface in the process window 710 and may be installed by submerging in the sea surface according to the designer's intention. In addition, the heat pump condenser 733 may be disposed below the heat pump evaporator 731 by a predetermined distance.
  • one heat exchange system 730 is illustrated in the process window 710, but the present invention is not limited thereto, and a plurality of heat exchange systems may be installed in the process window. something to do.
  • the fresh water discharge system 740 may be formed through the watertight partition 770 across the process window 710 and the storage window 720.
  • One end of the fresh water discharge system 740 may be formed to be connected to the fresh water collection pipe 731a in the process window 710, the other end is formed to extend in the vertical direction toward the bottom of the storage window 720. Can be.
  • the fresh water discharge system 740 may move the fresh water generated in the process window 710 to the storage window 720.
  • the fresh water discharge system 740 may be configured by applying an S trap (S trap) structure. Since the freshwater discharge system 740 is the same as or similar to the freshwater discharge system 640 shown in FIG. 10, a detailed description thereof will be omitted.
  • the seawater supply pump 750 is installed on the upper portions of the cargo holds 710 and 720 to collect the seawater present around the floating desalination plant to heat pump condenser 733. ) Can be supplied to the surface.
  • a water intake pipe 751 may be installed between the seawater supply pump 750 and the seawater around the floating desalination plant, and the seawater supply pipe 753 may be provided between the seawater supply pump 750 and the heat pump condenser 733. This can be installed.
  • Freshwater unloading pump 760 is installed on the upper portion of the cargo hold (710, 720), using the first and second drain pipes (761, 763) to the fresh water stored in the storage window 720 in the direction of where fresh water is needed.
  • the first drain pipe 761 may be connected between the fresh water unloading pump 760 and the storage window 720
  • the second drain pipe 763 may be connected between the fresh water unloading pump 760 and the fresh water where necessary.
  • the freshwater unloading pump may be installed near the end of the water pipe connected to where fresh water is needed, rather than being installed in the floating desalination plant. This can be determined at the discretion of the project designer and is not a problem in the composition of this patent.
  • the power supply may provide power required for driving the floating desalination plant 700.
  • the power supply may provide power required for driving the floating desalination plant 700.
  • the control device may control the overall seawater desalination process of the floating desalination plant 700.
  • the power converter may convert renewable energy into power energy required for driving the floating desalination plant 700.
  • the power converter is a device that uses rotational power, that is, compressor 732, seawater supply pump 750, freshwater unloading pump 760, vacuum ejector 711, open and close seawater injection system 713, air opening and closing part 715 ) And the opening and closing part 717 for seawater inflow and outflow can be driven.
  • the power converter may drive the generator with extra power to supply power for operating the floating desalination plant 700, and may supply additional power to the power grid.
  • a condenser, a compressor, an expansion valve, and an evaporator using a heat pump principle may be installed in a process window and an adjacent region thereof, thereby preventing internal seawater of the process window.
  • Fresh water production can be improved by promoting the generation and condensation of water vapor in the space above the surface.
  • FIG. 13 is a view showing the overall shape of the stationary desalination plant according to an embodiment of the present invention.
  • the stationary desalination plant 800 includes a chamber assembly 810, a freshwater condenser 820, a seawater evaporator 830, a freshwater discharge system 840, and a freshwater storage device ( 850).
  • the stationary desalination plant 800 may include a plate plant 860, a fresh water supply pump 870, a seawater supply pump 880, a plurality of fixing members 890, a power supply device (not shown), and a power supply device ( It may further include a control device (not shown), a living and control space (not shown), and the like.
  • the chamber assembly 810 includes a chamber 811 having a vacuum internal space, a vacuum ejector 813 installed in the chamber 811, an openable / closed seawater injection system (not shown), and an air opening / closing unit (not shown). And, it may include a seawater outflow opening and closing portion 815 installed in the lower portion of the chamber 811. As shown in FIG. 7, the inner space of the vacuum state may be formed by filling seawater inside the chamber and draining the seawater through the lower part of the chamber.
  • the chamber 811 may maintain the internal space in a vacuum to induce the evaporation of sea water at a very low temperature.
  • the lower surface of the chamber 811 may be configured so that at least one portion is open so that the sea water can be continuously introduced, and the upper surface of the chamber 811 is sealed to the outside so that the inside of the chamber can maintain a vacuum state can do.
  • the airtight state can be maintained without requiring a separate sealing means.
  • the seawater existing in the chamber 811 is raised from the sea level to a certain height by the atmospheric pressure outside the chamber. In addition, a continuous evaporation phenomenon occurs on the surface of the seawater existing inside the chamber 811.
  • One or more vacuum ejectors 813 may be installed on the upper surface of the chamber 811.
  • the vacuum ejector 813 may remove the condensation gas generated in the chamber 811.
  • the vacuum ejector 813 may open or close at least a portion of the chamber 811 so that air or seawater is injected into the chamber 811 when the chamber assembly 810 is installed or maintained.
  • One or more air adjusting openings and closing parts may be installed on the upper surface of the chamber 811.
  • the air control opening and closing portion may open and close at least a portion of the upper portion of the chamber 811.
  • the air control opening and closing portion may be used to make the interior space of the chamber 811 into a vacuum state.
  • One or more openable seawater injection systems may be installed on the top or side surfaces of the chamber 811.
  • the openable seawater injection system may open and close at least a portion of the chamber 811.
  • the openable seawater injection system may also be used to vacuum the internal space of the chamber 811.
  • the freshwater storage device 850 may be disposed adjacent to the chamber 811 and store the freshwater generated by the chamber 811.
  • the freshwater storage device 850 may have a cylindrical or polyhedral shape having an empty space therein.
  • the plurality of fixing members may be installed deeply inserted into the sea bottom in a direction perpendicular to the sea surface.
  • the plate facility 860 may be installed on the plurality of fixing members 890.
  • Various facilities or equipment may be disposed on the plate facility 860 such as a fresh water supply pump 870, a seawater supply pump 880, a power supply device, a power supply device, a control device, a living and control space, and the like.
  • the plate fixture 860 coupled with the plurality of fastening members 890 connects the chamber assembly 810 and the fresh water storage device 850 to sea level through separate support devices (not shown) and / or fastening devices (not shown). It can be fixed in the vertical direction.
  • the control device can control the overall operation of the stationary desalination plant 800.
  • the power supply may supply power to devices installed in the stationary desalination plant 800.
  • the power supply can power the components of the stationary desalination plant 800.
  • Residence and control space is a space for the residence and duty of personnel who will be in charge of the operation of the stationary desalination plant (800).
  • the freshwater supply pump 870 may supply freshwater stored in the freshwater storage device 850 in a direction where freshwater is needed through a drain pipe 875 connected to where freshwater is needed.
  • the seawater supply pump 880 may take in seawater that exists around the chamber 811 and supply the freshwater condenser 820.
  • a water intake pipe 881 may be installed between the sea water supply pump 880 and seawater around the chamber, and a cold water supply pipe 883 may be installed between the sea water supply pump 880 and the fresh water condenser 820.
  • a hot water supply tube 885 may be installed between the condenser 820 and the seawater evaporator 830. Accordingly, the seawater obtained through the intake pipe 881 flows to the hot water supply pipe 885 via the heat exchange pipe of the cold water supply pipe 883 and the fresh water condenser 820.
  • the freshwater condenser 820 may be disposed above the inner space of the chamber 811 to condense water vapor generated in the space above the seawater surface inside the chamber 811 and convert it into fresh water.
  • the freshwater condenser 820 may include a heat exchange pipe (not shown) arranged in a zigzag shape, a heat absorbing plate (not shown) in contact with the heat exchange pipe, and a fresh water collecting pipe 825 disposed at a lower end of the heat absorbing plate. It may be configured as.
  • the seawater evaporator 830 is disposed below the freshwater condenser 820, and sprays seawater (i.e., seawater whose temperature rises while liquefying water vapor in the freshwater condenser) from the hot water supply pipe 885, or is disposed in a vertical direction.
  • seawater can be evaporated by flowing along pipe-like structures.
  • the freshwater condenser 820 and the seawater evaporator 830 may be spaced apart from the seawater existing in the chamber 811.
  • the seawater evaporator 830 may be disposed to be spaced apart from the freshwater condenser 820 by a predetermined distance.
  • the freshwater discharge system 840 is disposed between the freshwater collecting pipe 825 and the freshwater storage device 850 to discharge the freshwater collected in the freshwater collecting pipe 825 to the freshwater storage device 850 located outside the chamber 811. can do.
  • the fresh water discharge system 840 may be configured by applying an S trap structure.
  • the stationary desalination plant 800 has a chamber having a vacuum internal space fixedly installed on the sea to compare the seawater present in the chamber with the conventional evaporation method.
  • a chamber having a vacuum internal space fixedly installed on the sea to compare the seawater present in the chamber with the conventional evaporation method.
  • FIG. 14 is a view showing the overall shape of the stationary desalination plant according to another embodiment of the present invention. Unlike the stationary desalination plant 800 of FIG. 13, the stationary desalination plant 900 according to the present invention may be installed on land adjacent to the sea.
  • the stationary desalination plant 900 may include a chamber assembly 910, a freshwater condenser 920, a seawater evaporator 930, and a freshwater discharge system 940.
  • the stationary desalination plant 900 may include a plate plant 950, a plurality of fixing members 960, a pipe assembly 970, a fresh water supply pump (not shown), a sea water supply pump (not shown), and a power supply device ( It may further include a power supply device (not shown), a control device (not shown) and the like.
  • the freshwater condenser 920, the seawater evaporator 930, the freshwater discharge system 940, etc. of the stationary desalination plant 900 may include the freshwater condenser 820, the seawater evaporator 830, and the freshwater discharge system 840 illustrated in FIG. 13. ), So a detailed description thereof will be omitted.
  • the chamber assembly 910 includes a chamber 911 having a vacuum internal space, a vacuum ejector 913 installed in the chamber 911, a seawater injection system (not shown) that can be opened and closed, and an air opening / closing unit (not shown). It may include.
  • the inner space of the vacuum state as shown in Figure 7, may be formed by filling the seawater inside the chamber and then draining the seawater through the lower chamber.
  • the seawater existing inside the chamber 911 is raised from the sea level to a certain height (about 10 m) by the atmospheric pressure outside the chamber.
  • a continuous evaporation phenomenon occurs on the surface of the seawater existing in the chamber 911.
  • the upper portion of the chamber 911 may be formed in a flat shape or in a curved shape (or gradient shape).
  • the lower portion of the chamber 911 may be formed such that the cross-sectional area is gradually narrowed toward the downward direction.
  • the pipe assembly 970 may be connected to the lower portion of the chamber 911.
  • One end of the pipe assembly 970 may be connected to the bottom of the chamber 911, and the other end may extend below the sea level adjacent to the land. Accordingly, the pipe assembly 970 may supply seawater into the chamber 911 based on a difference between the pressure inside the chamber and the atmospheric pressure outside the chamber, without additional external power.
  • the other end of the pipe assembly 970 may be provided with an opening and closing portion (not shown) for sea water outflow.
  • the opening and closing portion for seawater outflow may be used to make the interior space of the chamber 911 into a vacuum state.
  • the plurality of fixing members may be installed in a direction perpendicular to the ground surface.
  • the plate facility 950 may be installed on the plurality of fixing members 960.
  • Various facilities or equipment may be disposed on the plate facility 950 such as a fresh water supply pump, a seawater supply pump, a power supply, a power supply, a control device, a chamber support device, and the like.
  • the chamber support apparatus is installed in a direction perpendicular to the bottom surface of the plate installation 950, and may be mounted on both sides of the chamber 911 to firmly support the chamber 911.
  • the stationary desalination plant 900 is to install a chamber having a vacuum internal space on the land adjacent to the sea in a fixed manner to the sea water existing inside the chamber By evaporating with water vapor at a very low temperature compared to the evaporation method, it is possible to obtain fresh water at an economical cost as compared with the conventional desalination plant.
  • 15 is a view schematically showing the configuration of the water quality improvement equipment according to another embodiment of the present invention.
  • the water quality improvement facility 1000 may include a chamber assembly 1010, a heat exchange system 1020, a water discharge system 1030, and a power converter 1040. Can be. Since the chamber assembly 1010 and the water discharge system 1030 are the same as or similar to the chamber assembly 110 and the water discharge system 140 shown in FIG. 1, a detailed description thereof will be omitted. On the other hand, the components shown in the drawings are not essential for implementing the water quality improvement facility, the water quality improvement facilities described herein may have more or fewer components than those listed above.
  • the water quality improvement facility 1000 may be a facility for converting seawater or sewage into clean water that can be eaten by a person, and may include a desalination facility for converting seawater into fresh water and a water purification facility for converting sewage into purified water.
  • the water quality improvement facility 1000 may be classified into a floating water quality improvement facility and a fixed water quality improvement facility according to the installation type of the chamber assembly 1010.
  • the chamber assembly 1010 is a structure floating or fixed on seawater or sewage, and may perform a function of evaporating seawater or sewage with water vapor using a chamber having an internal space in a vacuum state.
  • a portion of the sea level or the lower part of the chamber located below the sewage surface is open to sea water or sewage, and is sealed by the seawater or sewage introduced through the open lower part and the side of the chamber.
  • the inner space of the can be configured to be formed, the upper portion of the chamber located above the water surface can be configured to be completely sealed to the outside.
  • the heat exchange system 1020 may include a heat pump evaporator 1021, a compressor 1022, a heat pump condenser 1023 and an expansion valve 1024.
  • the heat exchange system 1020 can be configured by applying the heat pump (heat pump) principle.
  • the heat pump evaporator 1021 is disposed inside the chamber to condense water vapor generated in the space above the sewage surface inside the chamber to condense and convert the water vapor generated in the space above the seawater surface inside the chamber into fresh water. Can be used as a 'water condenser' to convert.
  • the heat pump evaporator 1021 condenses water vapor into fresh water or purified water while passing through a refrigerant having a low temperature liquid state into a heat exchange pipe arranged in a zigzag manner and receiving latent heat of water vapor existing outside the pipe. You can.
  • the compressor 1022 may compress the gaseous refrigerant from the heat pump evaporator 1021 into gas of a high temperature / high pressure state and provide it to the heat pump condenser 1023.
  • An expansion valve (or an expansion valve 1024) may expand and provide a refrigerant having a low temperature / high pressure liquid state from the heat pump condenser 1023 to the heat pump evaporator 1021.
  • the heat pump condenser 1023 is disposed inside the chamber and used as a 'sea evaporator' for evaporating and converting the seawater supplied into the chamber into water vapor or a 'sewage evaporator' for evaporating and converting the sewage supplied into the chamber into water vapor.
  • the heat pump condenser 1023 passes a high temperature refrigerant into a zigzag heat exchange pipe and deprives heat of evaporating seawater or sewage existing outside of the pipe to cool the high / high pressure gaseous refrigerant. Can be converted to a high pressure liquid state.
  • the refrigerant used in the heat exchange system 1020 may absorb external heat or emit heat to the outside in response to a phase change while circulating the devices 1021 to 1024.
  • Types of the refrigerant usable in the heat exchange system 1020 include seawater, water, carbon dioxide, ammonia, freon, air, and the like, but are not necessarily limited thereto.
  • the refrigerant circulates through the heat exchange system 1020, the refrigerant evaporates while absorbing external heat in the heat pump evaporator 1021, and the refrigerant is evaporated in the heat pump condenser 1023. It condenses by dissipating heat to the outside. Accordingly, the water vapor passing through the heat pump evaporator 1021 is condensed into fresh water or purified water, and the sea water or sewage passing through the heat pump condenser 1023 is evaporated into water vapor.
  • the water discharge system 1030 may collect fresh water or purified water generated by the heat pump evaporator 1021 and discharge it out of the chamber.
  • the water discharge system 1030 may be referred to as a fresh water discharge system or a purified water discharge system according to the type of water discharged from the facility 1000.
  • the water discharge system 1030 may include a drain pipe for discharging fresh water or purified water from the inside of the chamber, and a check valve for controlling fresh water or purified water movement in the drain pipe.
  • the power converter 1040 may be installed at the lower end of the chamber assembly 1010 to convert renewable energy such as solar power, wind power, wave power, and the like into rotational power energy.
  • the power converter 1040 may provide rotational power energy to components of the water quality improvement facility 1010.
  • 17 is a view showing the overall shape of the seawater desalination plant according to an embodiment of the present invention.
  • a seawater desalination plant 1100 may include a chamber assembly 1110, a heat exchange system 1120, a fresh water discharge system 1130, and a wave power converter 1140.
  • the seawater desalination plant 1100 is a plate installation (or deck, 1150), fresh water supply pump 1160, seawater supply pump 1170, salt water recovery pump 1180, air conditioner (not shown), power supply
  • the device may further include a device (not shown), an anchor connection device (not shown), a control device (not shown), a living and control space (not shown), and the like.
  • the seawater desalination plant 1100 may be classified into a floating desalination plant and a stationary desalination plant, depending on the type of installation of the chamber assembly 1110.
  • a floating desalination plant will be described as an example.
  • the chamber assembly 1110 is provided with a chamber 1111 having an internal space in a vacuum state, a plurality of buoyancy tanks 1112 mounted on an outer side of the chamber 1111, and an upper portion of the chamber 1111.
  • One or more vacuum ejectors 1113 may be included. Since the chamber assembly 1110 is the same as or similar to the chamber assembly 610 illustrated in FIG. 10, a detailed description thereof will be omitted.
  • the plate facility 1150 may be installed above the buoyancy tanks 1112. On the plate installation 1150, wave converting device 1140, fresh water supply pump 1160, seawater supply pump 1170, salt water recovery pump 1180, air conditioner, power supply, anchor connection device, control device, Various facilities or equipment may be arranged, such as living and control spaces.
  • the air conditioner may inject compressed air into the buoyancy tank 1112 or discharge compressed air present in the buoyancy tank 1112 to the outside.
  • the power supply device may supply power to devices installed in the seawater desalination plant 1100.
  • the anchor connection device may be fastened to the installation site by fastening the plate facility 1150 and the anchor device (not shown) so that the seawater desalination facility 1100 is not pushed out by seawater and sea breezes.
  • the control device may control the overall operation of the seawater desalination plant 1100.
  • the residence and control space is a space for residence and duty of personnel who will be in charge of the operation of the seawater desalination facility 1100.
  • the wave power converter 1140 may be installed at the lower end of the chamber assembly 1110 to convert wave energy into rotational power energy.
  • the wave force converting device 1140 is a buoy for receiving the movement of the wave using buoyancy, a shaft for converting the force of the wave into rotational power, a crank arm or a rope for power transmission, or a pulley. , Ratchet, flywheel, and the like. Some components of the wave converter 1140 may be installed on the plate installation 1150, and some other components may be installed in the sea.
  • the wave power converter 1140 may drive a device that uses rotational power, that is, a compressor 1122, a fresh water supply pump 1160, a seawater supply pump 1170, a salt water recovery pump 1180, a vacuum ejector 1113, and the like. have.
  • the wave power converter 1140 may drive the generator with extra power to supply power required for the operation of the seawater desalination plant 1100.
  • the freshwater supply pump 1160 may supply freshwater collected from the freshwater discharge system 1130 in a direction where freshwater is needed through a drain pipe 1165 connected to where freshwater is needed.
  • the seawater supply pump 1170 may take the seawater present in the chamber or at a deeper depth and supply the seawater to the seawater evaporator (or the heat pump condenser) 1123.
  • a water intake pipe 1171 may be installed between the seawater supply pump 1170 and the seawater inside the chamber or a seawater of a deeper depth, and the seawater supply pipe between the seawater supply pump 1170 and the seawater evaporator 1123. 1175 may be installed.
  • the brine recovery pump 1180 may recover brine having a very high concentration collected from the brine collection pipe 1123a through the brine discharge system 1185.
  • the brine discharge system 1185 may be disposed between the brine recovery pump 1180 and the brine collection pipe 1123a to discharge the brine collected in the brine collection pipe 1123a out of the chamber 1111.
  • the saltwater discharge system 1185 may be configured by applying an S trap structure used in the freshwater discharge system 1130.
  • the brine discharge system 1185 may include an S-shaped drain pipe for discharging the salt water from the inside of the chamber to the outside of the chamber, and a check valve for controlling the salt water movement in the S-shaped drain pipe. According to an embodiment, the check valve may be configured to be omitted.
  • the heat exchange system 1120 may include a fresh water condenser (or heat pump evaporator, 1121), compressor 1122, sea water evaporator (or heat pump condenser, 1123), and an expansion valve 1124.
  • the heat exchange system 1120 has a structure in which a refrigerant circulates through the fresh water condenser 1121, the compressor 1122, the seawater evaporator 1123, and the expansion valve 1124.
  • the fresh water condenser 1121 is disposed above the inner space of the chamber 1111, and condenses water vapor generated in the chamber 1111 to be converted into fresh water.
  • the freshwater condenser 1121 includes a heat exchange pipe (not shown) arranged in a zigzag shape, a heat absorbing plate (not shown) in contact with the heat exchange pipe, and a fresh water collecting pipe 1121a disposed at a lower end of the heat absorbing plate. It can be configured as.
  • the fresh water condenser 1121 may pass a low temperature refrigerant into the heat exchange pipe to condense water vapor existing outside the pipe and the heat absorbing plate.
  • the compressor 1122 may be installed outside the chamber 1111 to compress the refrigerant from the freshwater condenser 1121 and provide the compressed water to the seawater evaporator 1123.
  • the expansion valve 1124 may be installed outside the chamber 1111 and expand the refrigerant from the seawater evaporator 1123 to provide the freshwater condenser 1121. Meanwhile, in the present embodiment, the compressor 1122 and the expansion valve 1124 are illustrated to be installed outside the chamber 1111, but the present invention is not limited thereto and may be configured to be installed inside the chamber 1111.
  • the seawater evaporator 1123 may be disposed below the freshwater condenser 1121, and may convert the seawater from the seawater supply pipe 1175 to vaporize the seawater.
  • the seawater evaporator 1123 includes a heat exchange pipe (not shown) arranged in a zigzag shape, a heat sink (not shown) in contact with the heat exchange pipe, and a salt water collecting pipe 1123a disposed at a lower end of the heat sink.
  • the sea water evaporator 1123 passes heat generated in a process of making a high temperature, high pressure gaseous refrigerant into a heat exchange pipe to form a low temperature liquid state to a heat sink to evaporate seawater existing outside the pipe and the heat sink. You can.
  • a separate heat source may be supplied.
  • the seawater evaporator 1123 may use waste heat such as a boiler or an engine nearby.
  • waste heat recovery devices at large industrial sites can use waste heat near ambient temperatures that can no longer be recycled, even where most of the heat energy has been recovered.
  • the seawater evaporator 1123 may use heat collected from the solar collector. It is also possible to use each of the heat sources described above in combination.
  • the freshwater condenser 1121 and the seawater evaporator 1123 may be spaced apart from the seawater existing in the chamber.
  • the seawater evaporator 1123 may be disposed to be spaced apart from the freshwater condenser 1121 by a predetermined distance.
  • the freshwater discharge system 1130 may be disposed between the freshwater supply pump 1160 and the freshwater collecting pipe 1121a to discharge the freshwater collected in the freshwater collecting pipe 1121a to the outside of the chamber 1111. Since the freshwater discharge system 1130 is the same as or similar to the freshwater discharge system 640 shown in FIG. 10, a detailed description thereof will be omitted.
  • the seawater desalination plant promotes generation and condensation of water vapor present in the chamber by installing a freshwater condenser and a seawater evaporator using a heat pump principle inside the vacuum chamber. To improve freshwater production.
  • FIG. 18 is a view showing a portion of the seawater desalination plant according to another embodiment of the present invention.
  • a seawater desalination plant 1400 may include a chamber assembly 1410, a heat exchange system 1420, a fresh water discharge system 1430, and a plurality of heat pipes 1440. ) May be included.
  • the seawater desalination plant 1400 is a plate installation (not shown), fresh water supply pump (not shown), power supply (not shown), power supply (not shown), heat source supply (not shown), control It may further include a device (not shown), a living and control space (not shown), and the like.
  • the chamber assembly 1410 may include a chamber 1411 having an internal space in a vacuum state, and a vacuum ejector 1413 installed on the chamber 1411.
  • the inner space of the vacuum state can be formed by submerging the chamber assembly below sea level and then rising above sea level, as shown in FIG. 5.
  • the inner space of the vacuum state as shown in Figure 7, may be formed by filling the seawater inside the chamber and draining the seawater through the lower chamber.
  • the chamber 1411 may maintain the internal space in a vacuum to induce the evaporation of sea water at a very low temperature.
  • the lower surface of the chamber 1411 may be configured so that at least a portion thereof is open so that the sea water can be continuously introduced, and the upper surface of the chamber 1411 is closed to the outside and configured to maintain the vacuum inside the chamber. can do.
  • the lower surface of the chamber 1411 is sealed by the water surface in which the chamber is locked, it is possible to maintain the airtight state without requiring a separate sealing means.
  • One or more vacuum ejectors 1413 may be installed on the upper surface of the chamber 1411.
  • the vacuum ejector 1413 may remove the condensation gas generated in the chamber 1411.
  • a vacuum pump is connected to the upper end of the vacuum ejector 1413 to maintain a vacuum degree of 1 kPa or less.
  • the lower end of the vacuum ejector 1413 circulates a refrigerant having a sufficiently low temperature, more preferably below zero, so as to condense the water vapor located below the vacuum ejector 1413 (ie, the top of the chamber).
  • a heat exchanger can be installed. This is to condense the water vapor located at the bottom of the vacuum ejector to discharge only the uncondensed gas to the outside.
  • Heat exchange system 1420 may include a freshwater condenser (or heat pump evaporator, 1421), compressor 1422, steam heater (or heat pump condenser, 1423), and expansion valve 1424.
  • the heat exchange system 1420 has a structure in which a refrigerant circulates in a fresh water condenser 1421, a compressor 1422, a steam heater 1423, and an expansion valve 1424.
  • the fresh water condenser 1421 and the steam heater 1423 may be installed to be spaced apart from the seawater existing in the chamber.
  • the steam heater 1423 may be disposed to be spaced apart from the fresh water condenser 1421 by a predetermined distance.
  • the fresh water condenser 1421 may be disposed above the internal space of the chamber 1411 to condense and convert water vapor generated in the chamber 1411 into fresh water.
  • the freshwater condenser 1421 may include an upper freshwater condenser 1421a, a lower freshwater condenser 1421b, and a freshwater collecting pipe 1421c.
  • the upper freshwater condenser 1421a and the lower freshwater condenser 1421b may be configured as separate heat exchangers.
  • the upper freshwater condenser 1421a may be configured as a heat exchange pipe arranged in a zigzag form.
  • the upper freshwater condenser 1421a may pass a low temperature refrigerant into the heat exchange pipe to condense water vapor existing outside the pipe.
  • the lower freshwater condenser 1421b may be configured as a heat absorbing plate in contact with the upper freshwater condenser 1421a.
  • the lower freshwater condenser 1421b may condense water vapor present on the outside of the heat absorbing plate through a temperature transmitted from the upper freshwater condenser 1421a.
  • a plurality of heat pipes 1440 may be installed in the vertical direction in the lower freshwater condenser 1421b.
  • One end of each heat pipe 1440 may be configured to be connected to the lower freshwater condenser 1421b, and the other end may be configured to be submerged below the sea level inside the chamber.
  • the heat pipe 1440 may perform a function of transferring condensation heat of water vapor delivered to the freshwater condenser 1421 to seawater.
  • the upper end of the freshwater condenser 1421 having this configuration can be maintained at a low temperature close to zero degrees by a refrigerant having a sufficiently low temperature, more preferably below zero, and the lower end of the plurality of heat pipes 1440. Can be installed and maintained at a temperature lower than the ambient steam temperature and higher than the seawater below.
  • the compressor 1422 may be installed outside the chamber 1411 to compress the refrigerant from the fresh water condenser 1421 and the vacuum ejector 1413 to provide the vapor evaporator 1423.
  • the expansion valve 1424 may be installed outside the chamber 1411 to expand the refrigerant from the water vapor evaporator 1423 and provide it to the fresh water condenser 1421 and the vacuum ejector 1423.
  • the refrigerant is branched from the expansion valve 1424 and the compressor 1422, but the present invention is not limited thereto.
  • the refrigerant from the expansion valve 1424 is input to the vacuum ejector 1413.
  • the refrigerant from the vacuum ejector 1413 may be input to the freshwater condenser 1421, and the refrigerant from the freshwater condenser 1421 may be input to the compressor 1422.
  • the compressor 1422 and the expansion valve 1424 are illustrated to be installed outside the chamber 1411, but the present invention is not limited thereto and may be configured to be installed inside the chamber 1411.
  • a separate cooling source may be supplied instead of supplying the refrigerant passing through the heat pump to the freshwater condenser.
  • a fresh water condenser may use liquefied gas as a refrigerant to act as a regasification vaporizer for a nearby liquefied gas regasification plant.
  • the chamber assembly may be installed in a cargo hold or superstructure of a floating liquefaction gas regasification unit (FSRU).
  • FSRU floating liquefaction gas regasification unit
  • Fresh water condensers can be vaporized as liquid gas flows into the heat exchange pipes to condense the surrounding water vapor.
  • the fresh water condenser may condense the surrounding water vapor while the cooled working fluid flows into the heat exchange pipe while vaporizing the liquefied gas in the external liquefied gas vaporizer.
  • the FSRU which is in high demand, draws in nearby seawater to pump liquefied natural gas to supply the heat of vaporization of liquefied natural gas, and then exports it back to the sea to reduce not only its own energy consumption but also the sea temperature of the surrounding sea. It is causing a problem.
  • the wasted cooling energy in the condensation of the desalination plant can have the advantage of minimizing the environmental impact as well as energy saving.
  • ultra-low temperature liquefied gas instead of directly using ultra-low temperature liquefied gas as a refrigerant of the freshwater condenser, it is used to evaporate the liquefied gas, so that the temperature of the seawater or an intermediate fluid such as ethylene glycol may be reduced.
  • the heat of condensation collected from the condenser can be quickly transferred to the air vaporizer to increase the efficiency of the air vaporizer. It may be.
  • a steam heater 1423 may be disposed below the freshwater condenser 1421 to heat the naturally evaporated steam present in the interior vacuum space of the chamber 1411.
  • the steam heater 1423 may include a heat exchange pipe arranged in a zigzag shape, and a heat sink in contact with the heat exchange pipe.
  • the steam heater 1423 transfers the heat generated in the process of passing the refrigerant having a high temperature / high pressure gas state into the heat exchange pipe and making it into a low temperature liquid state to the heat sink, so that the temperature of steam existing outside the pipe and the heat sink. Can be increased. This is to increase the temperature of the water vapor present in the chamber above the lower temperature of the fresh water condenser 1021.
  • the seawater desalination plant 1400 is installed between the inner surface of the chamber 1411 and the steam heater 1423, to move the steam to the upper portion of the chamber 1411 and the steam heater ( It may further include a heat-insulating water vapor transmission layer to block the radiant heat generated from 1423 to reflect the inside of the chamber 1411.
  • the steam heater is illustrated as being configured as a heat pump condenser using the heat pump principle, but is not limited thereto. Therefore, instead of supplying a refrigerant to the steam heater, a separate heat source may be supplied.
  • a steam heater may use waste heat, such as a nearby boiler or engine.
  • waste heat recovery devices at large industrial sites can use waste heat near ambient temperatures that can no longer be recycled, even where most of the heat energy has been recovered.
  • the steam heater can also use the heat collected from the solar collector. It is also possible to use each of the heat sources described above in combination.
  • the fresh water discharge system 1430 may be disposed between the fresh water supply pump (not shown) and the fresh water collecting pipe 1421c to discharge the fresh water collected in the freshwater collecting pipe 1421c to the outside of the chamber 1411.
  • a freshwater condenser and a steam heater using a heat pump principle are installed in the vacuum chamber to prevent generation and condensation of water vapor present in the chamber. Promotion to improve freshwater production.
  • 19 is a view showing a portion of the seawater desalination plant according to another embodiment of the present invention.
  • a seawater desalination plant 1500 may include a chamber assembly 1510, a heat exchange system 1520, a fresh water discharge system 1530, and a plurality of heat pipes 1540. It may include.
  • the seawater desalination plant 1500 is a plate installation (not shown), fresh water supply pump (not shown), power supply (not shown), power supply (not shown), heat source supply (not shown), control It may further include a device (not shown), a living and control space (not shown), and the like. Since the heat exchange system 1520 and the plurality of heat pipes 1540 of the seawater desalination plant 1500 are the same as the heat exchange system 1420 and the plurality of heat pipes 1440 shown in FIG. Omit it.
  • the chamber assembly 1510 includes a chamber 1511 having a predetermined shape, a vacuum ejector 1513 installed on an upper portion of the chamber 1511, and a fresh water storage device disposed to surround a lower end of the chamber 1511. 1515).
  • the vertical bulkhead and the horizontal bulkhead may be installed in the chamber assembly 1510 to configure two separate spaces, that is, the chamber 1511 and the fresh water storage device 151.
  • the upper chamber is connected to the lower opening through a seawater inlet pipe through a freshwater storage device made through vertical and horizontal bulkheads.
  • the cross-sectional area of the seawater inflow pipe is sufficiently wide so that the supply of seawater required for freshwater production is smooth and the inflow rate of seawater is not too fast.
  • the height of the horizontal bulkhead be installed as high as possible within the range in which the space from the water surface inside the chamber to the depth where low temperature / low pressure boiling occurs may be included in the chamber according to the operating situation inside the chamber. This is to fill the interior of the chamber with the sea water to make the inside of the chamber in a vacuum state, so as to reduce the amount of sea water required to fill the chamber.
  • the chamber 1511 may have an internal space in a vacuum state.
  • the inner space of the vacuum state can be formed by submerging the chamber assembly below sea level and then rising above sea level, as shown in FIG. 5.
  • the inner space of the vacuum state as shown in Figure 7, may be formed by filling the seawater inside the chamber and draining the seawater through the lower chamber.
  • freshwater storage device 1515 may act as part of a buoyancy tank.
  • the chamber 1511 maintains the internal space in a vacuum state to induce evaporation of seawater at a very low temperature.
  • the lower surface of the chamber 1511 may be configured so that at least one portion is open so that seawater can be continuously introduced, and the upper surface of the chamber 1511 is sealed to the outside so that the inside of the chamber can maintain a vacuum state. can do.
  • the airtight state can be maintained without requiring a separate sealing means.
  • One or more vacuum ejectors 1513 may be installed on the upper surface of the chamber 1511.
  • the vacuum ejector 1513 may remove the condensation gas generated in the chamber 1511.
  • the freshwater storage device 1515 may be disposed adjacent to the chamber 1511 and store freshwater generated by the chamber 1511.
  • the freshwater storage device 1515 may be configured in a cylindrical or polyhedral shape having an empty space therein, but is not necessarily limited thereto.
  • the lower end of the chamber 1511 for supplying seawater is disposed at the central portion of the fresh water storage device 1515.
  • the freshwater discharge system 1530 may be disposed between the freshwater storage device 1515 and the freshwater collecting pipe 1521c to discharge the freshwater collected in the freshwater collecting pipe 1521c to the freshwater storage device 1515.
  • the fresh water supply pump (not shown) may supply freshwater stored in the freshwater storage device 1515 in a direction where freshwater is needed through a drain pipe 1550 connected to where freshwater is needed.
  • the seawater desalination plant according to another embodiment of the present invention, by installing a chamber having a different cross-sectional area at the top and the bottom and a fresh water storage device surrounding the bottom of the chamber, the water vapor present in the chamber Promoting generation and condensation can improve freshwater production.
  • the desalination facility is implemented using the chamber assembly according to the present invention, but the present invention is not limited thereto, and it will be apparent to those skilled in the art that the water purification facility may be implemented using the chamber assembly.

Landscapes

  • 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)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

Abstract

La présente invention concerne un ensemble chambre destiné à être utilisé dans des installations de dessalement ou de purification, l'ensemble chambre comprenant : une chambre où un espace interne dans un état sous vide est formé et maintenu ; et un dispositif pour remplir la chambre avec de l'eau de mer ou des eaux usées puis la décharger par gravité afin de créer l'espace interne dans un état sous vide, la partie inférieure de la chambre étant ouverte au moins en partie, formant ainsi un espace interne dans un état sous vide qui est scellé par la partie supérieure de la chambre et l'eau de mer ou les eaux usées introduites à travers la partie inférieure ouverte.
PCT/KR2019/001856 2018-02-14 2019-02-14 Installation d'amélioration de la qualité de l'eau utilisant un procédé d'évaporation WO2019160373A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020207023582A KR102583238B1 (ko) 2018-02-14 2019-02-14 증발법을 이용한 수질 개선 설비

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
KR10-2018-0018197 2018-02-14
KR20180018197 2018-02-14
KR20180107594 2018-09-10
KR10-2018-0107594 2018-09-10
KR1020180125696A KR20190098678A (ko) 2018-02-14 2018-10-22 증발법을 이용한 담수화 설비
KR10-2018-0125696 2018-10-22

Publications (1)

Publication Number Publication Date
WO2019160373A1 true WO2019160373A1 (fr) 2019-08-22

Family

ID=67619492

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2019/001856 WO2019160373A1 (fr) 2018-02-14 2019-02-14 Installation d'amélioration de la qualité de l'eau utilisant un procédé d'évaporation

Country Status (1)

Country Link
WO (1) WO2019160373A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012000605A (ja) * 2010-06-21 2012-01-05 Oki Kogei:Kk 真水化装置
KR20130050642A (ko) * 2011-11-08 2013-05-16 건국대학교 산학협력단 습지의 가스를 채집하기 위한 부력식 챔버
KR101318971B1 (ko) * 2011-09-07 2013-10-17 곽상칠 히트 펌프를 이용한 조수 장치
KR20130131643A (ko) * 2012-05-24 2013-12-04 대우조선해양 주식회사 선박용 해수 담수화 발전 시스템
JP6000111B2 (ja) * 2012-12-20 2016-09-28 昊二 藤田 海水淡水化装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012000605A (ja) * 2010-06-21 2012-01-05 Oki Kogei:Kk 真水化装置
KR101318971B1 (ko) * 2011-09-07 2013-10-17 곽상칠 히트 펌프를 이용한 조수 장치
KR20130050642A (ko) * 2011-11-08 2013-05-16 건국대학교 산학협력단 습지의 가스를 채집하기 위한 부력식 챔버
KR20130131643A (ko) * 2012-05-24 2013-12-04 대우조선해양 주식회사 선박용 해수 담수화 발전 시스템
JP6000111B2 (ja) * 2012-12-20 2016-09-28 昊二 藤田 海水淡水化装置

Similar Documents

Publication Publication Date Title
WO2018236098A1 (fr) Système de refroidissement de réacteur et de production d'énergie électrique
WO2012115456A2 (fr) Appareil de génération d'énergie houlomotrice
WO2018143553A1 (fr) Réservoir d'eau expérimental monté dans un système de simulation de mésocosme
CA2609419C (fr) Systeme et methode de recuperation d'eau et de chaleur a partir de residus au moyen de l'humidification/deshumidification de gaz
WO2019160373A1 (fr) Installation d'amélioration de la qualité de l'eau utilisant un procédé d'évaporation
WO2015050410A1 (fr) Equipement de sécurité passif et centrale nucléaire incluant celui-ci
WO2018135747A2 (fr) Mésocosme simulé pour tester la capacité de récupération naturelle de sédiments contaminés par du pétrole
WO2012053705A1 (fr) Navire de transport de conteneur de stockage de gaz naturel liquéfié
WO2012050273A1 (fr) Procédé de fabrication de gaz naturel liquéfié sous pression et système de production utilisé dans ce procédé
WO2012053704A1 (fr) Récipient de stockage destiné à un gaz naturel liquéfié
EP3209957A2 (fr) Dispositif de dégivrage et réfrigérateur le comprenant
WO2017030221A1 (fr) Module de production d'énergie thermoélectrique, ainsi que dispositif de production d'énergie thermoélectrique, vaporisateur antigel, et dispositif pour procédé de liquéfaction de gaz combustible vaporisé le comprenant
WO2015103790A1 (fr) Système de refroidissement pour l'enceinte de confinement d'une centrale nucléaire et procédé de commande du débit de pulvérisation pour celui-ci
WO2018230897A1 (fr) Installation de refroidissement dans un système de réacteur et de production d'électricité
WO2016204560A1 (fr) Appareil de récupération de chaleur
WO2014084443A1 (fr) Appareil permettant de retirer, de stocker et de recharger artificiellement les eaux pluviales précoces, et procédé permettant de retirer, de stocker et de recharger artificiellement les eaux pluviales précoces au moyen de celui-ci
WO2014027795A1 (fr) Réfrigérateur du type à absorption
WO2012099307A1 (fr) Véhicule pour la récupération de pétrole
WO2016148319A1 (fr) Système d'alimentation en carburant d'un moteur thermique de navire
SU1554290A1 (ru) Гелиодистиллятор
WO2018212383A1 (fr) Système et procédé de recyclage d'eaux usées de nettoyage chimique pour tube de chaudière de système à vapeur
GB2181724A (en) Disposal of seepage water from rubbish dumps
WO2022182044A1 (fr) Structure de bloc de béton flottable et son procédé de fabrication
WO2020141867A1 (fr) Appareil de traitement des gaz d'échappement et navire le comprenant
WO2015190823A1 (fr) Appareil de récupération de chaleur

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19754364

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 20207023582

Country of ref document: KR

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19754364

Country of ref document: EP

Kind code of ref document: A1