WO2009087495A1 - Water supply system for high-rise buildings - Google Patents

Water supply system for high-rise buildings Download PDF

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Publication number
WO2009087495A1
WO2009087495A1 PCT/IB2008/052142 IB2008052142W WO2009087495A1 WO 2009087495 A1 WO2009087495 A1 WO 2009087495A1 IB 2008052142 W IB2008052142 W IB 2008052142W WO 2009087495 A1 WO2009087495 A1 WO 2009087495A1
Authority
WO
WIPO (PCT)
Prior art keywords
water
building
supply system
water supply
steam
Prior art date
Application number
PCT/IB2008/052142
Other languages
French (fr)
Inventor
Ridas Matonis
Original Assignee
Ridas Matonis
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
Application filed by Ridas Matonis filed Critical Ridas Matonis
Publication of WO2009087495A1 publication Critical patent/WO2009087495A1/en

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B1/00—Methods or layout of installations for water supply
    • E03B1/04—Methods or layout of installations for water supply for domestic or like local supply
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/02—Treatment of water, waste water, or sewage by heating
    • C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
    • C02F1/14—Treatment of water, waste water, or sewage by heating by distillation or evaporation using solar energy
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
    • E03B3/04—Methods or installations for obtaining or collecting drinking water or tap water from surface water
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B5/00—Use of pumping plants or installations; Layouts thereof
    • E03B5/02—Use of pumping plants or installations; Layouts thereof arranged in buildings
    • E03B5/025—Use of pumping plants or installations; Layouts thereof arranged in buildings with surface tanks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G6/00—Devices for producing mechanical power from solar energy
    • F03G6/02—Devices for producing mechanical power from solar energy using a single state working fluid
    • F03G6/04—Devices for producing mechanical power from solar energy using a single state working fluid gaseous
    • F03G6/045—Devices for producing mechanical power from solar energy using a single state working fluid gaseous by producing an updraft of heated gas or a downdraft of cooled gas, e.g. air driving an engine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B1/00—Methods of steam generation characterised by form of heating method
    • F22B1/006—Methods of steam generation characterised by form of heating method using solar heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B1/00—Methods of steam generation characterised by form of heating method
    • F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
    • F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B1/00—Methods of steam generation characterised by form of heating method
    • F22B1/28—Methods of steam generation characterised by form of heating method in boilers heated electrically
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/02—Treatment of water, waste water, or sewage by heating
    • C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
    • C02F1/16—Treatment of water, waste water, or sewage by heating by distillation or evaporation using waste heat from other processes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/42—Nature of the water, waste water, sewage or sludge to be treated from bathing facilities, e.g. swimming pools
    • 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
    • Y02A20/20—Controlling water pollution; Waste water treatment
    • Y02A20/208—Off-grid powered water treatment
    • Y02A20/212—Solar-powered wastewater sewage treatment, e.g. spray 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/20—Solar thermal
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
    • 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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/30—Wastewater or sewage treatment systems using renewable energies
    • Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy

Definitions

  • This invention relates to systems of water uplifting or water supply, specifically to the water uplifting systems for particularly high-rise buildings.
  • Background Art It is common knowledge there are many inventions for water supply to multi-floor buildings.
  • Water uplifting is mostly implemented in particularly high-rise buildings through equipped intermediate storage tanks or basins.
  • the mentioned tanks are distributed throughout the entire building height at certain intervals.
  • the water is uplifted to the tank, located above, and later it is pumped from it and supplied to another tank, located above, and etc.
  • the water may be uplifted as high as limits allow, avoiding the problem of high pressure of liquids (this is the way the height of liquid column is reduced).
  • Japanese patent JP2001295327 describes the said system, when one water tank serves certain groups of floors, while the water is uplifted by pumping it from the tank, located below, to the tank, located above.
  • the shortcoming of such solution lies in quite heavy expenses for power, expensive equipment of reservoirs; moreover, tanks require additional space, and large accumulations of water make rather considerable weight, which is undesirable when constructing high-rise and very high-rise buildings.
  • the patent of the said invention also does not solve the problem of water treatment, if the supplied water comes from surface water pools.
  • the object of the invention is water supply system for high-rise and particularly high-rise buildings, which would be characterized in an efficient operation, equipment of which would allow using materials and facilities, which are in the market, and avoiding the problem of high pressure of liquids. Since the system is used in very high- rise buildings, it is important for system structure to be relatively light-weight and would not overload the structure of the building with useless weight. The system would also be capable of treating water from the sea or other surface water pools and turn it into potable water or water suitable for daily activities.
  • a water supply system has been developed for high-rise and particularly high-rise buildings, which operation principle lies in water evaporation, which is performed at the lower part of the building, while water steam is uplifted in shafts being affected by natural traction. Upon reaching the top of the shaft, water steam gets cool up to the temperature of dew point and condenses. Condensed water is collected and supplied to pipelines. There is also an option to direct surplus water downwards by pipelines, equipped with turbines for power production. Description of Drawings Fig. 1 - Water supply system basic diagram, profile view; Fig. 2 - Water supply system basic diagram, top view.
  • Fig. 1 shows the best option for implementation of the invention - water supply system for high-rise and particularly high-rise buildings.
  • the best way to use the stated system is to equip it in the buildings, located in the areas of hot climate, where solar energy is sufficient for the evaporation of the required amount of water.
  • the system comprises of a water basin (1) with casing (10), made of transparent material, the shaft (2) for water steam flow (3) and upper condensation facility (not shown on the drawing), from which the water may flow into the upper tank (not shown).
  • the mentioned water basin (1) may be a land-based water tank, which is continually supplied with ground or surface (river, sea, etc.) water.
  • the basin (1) may also be equipped in the shore of a large water body (sea, ocean, river, lake, etc.), if the building is located close to such water body.
  • a transparent casing (10) is arranged above the water surface, leaving an air gap (5).
  • This air gap (5) is used to transfer water steam affected by natural traction, which appears in the shaft (2) due to temperature difference.
  • one side (11) of the casing (10) on the opposite side than the shaft (2) is open for environmental air (6) to pass through it.
  • the casing (10) at one side (11) has an opening, at the other - contraction (9) for water steam flow (3) to pass to the lifting shaft (2).
  • Casing (10) flanks are closed and directly attached to the walls of the basin (1).
  • the bottom of the basin is made inclined, a water outlet (8) is left at the bottom of the inclination in basin's wall for water outflow, therefore, the remaining water with the major salt and sewage content settles to the bottom and withdraws via the stated outlet (8).
  • Water change of tide takes place, which ensures prevention of salt and other sewage sediments accumulation in the basin (1).
  • the walls of the shaft (2) are properly insulated from the outside in order the steam temperature throughout the entire height of the shaft would drop as less as possible. By sustaining approximately constant temperature in one shaft (2), steam does not condense on the half-way and useless condensate does not accumulate.
  • the shaft cannot be properly insulated, it is possible to distribute condensate discharge gutters at certain height intervals for condensate to flow together in the pipes or tanks of single floors. It is also possible to arrange electrically powered heating facilities (not shown) in the water pool (1) in order to steam water on a non-sunny day.
  • Water condensed at the top of the building flows into distribution tanks, from where it is discharged to the lower floors via common water supply systems. Natural water pressure is generated in the stated system due to the tank, located above. Water evaporation should not be stopped even if the amount of water consumed in the building is equal to the amount of water evaporated and lifted. Water surplus can be directed to discharge pipes and falling down at high altitude by which it could produce electric power by spinning turbines or in any other way.

Abstract

The object of the invention is a water supply system for high-rise and particularly high-rise buildings located in the regions of hot climate. The water in the said system is uplifted to the top of the building in the form of steam (3) by means of steam uplifting shafts (2). The water in the system is evaporated in the basins (1), located at the bottom of the building, or in vaporizers, using solar (4) energy or the energy released in exothermic reactions and is directed to the steam uplifting shafts (2) with the constant steam (2) temperature being maintained throughout the entire building height. At the top of the building steam is condensed and collected in the distribution tank. The system is arranged to produce electricity by using the uplifted surplus water, as well as to create artificial rain.

Description

Description
WATER SUPPLY SYSTEM FOR HIGH-RISE BUILDINGS
Technical Field This invention relates to systems of water uplifting or water supply, specifically to the water uplifting systems for particularly high-rise buildings. Background Art It is common knowledge there are many inventions for water supply to multi-floor buildings. Water uplifting is mostly implemented in particularly high-rise buildings through equipped intermediate storage tanks or basins. The mentioned tanks are distributed throughout the entire building height at certain intervals. The water is uplifted to the tank, located above, and later it is pumped from it and supplied to another tank, located above, and etc. By using this technique, the water may be uplifted as high as limits allow, avoiding the problem of high pressure of liquids (this is the way the height of liquid column is reduced). Japanese patent JP2001295327 describes the said system, when one water tank serves certain groups of floors, while the water is uplifted by pumping it from the tank, located below, to the tank, located above. The shortcoming of such solution lies in quite heavy expenses for power, expensive equipment of reservoirs; moreover, tanks require additional space, and large accumulations of water make rather considerable weight, which is undesirable when constructing high-rise and very high-rise buildings. The patent of the said invention also does not solve the problem of water treatment, if the supplied water comes from surface water pools. Disclosure of Invention Summary of the Invention The object of the invention is water supply system for high-rise and particularly high-rise buildings, which would be characterized in an efficient operation, equipment of which would allow using materials and facilities, which are in the market, and avoiding the problem of high pressure of liquids. Since the system is used in very high- rise buildings, it is important for system structure to be relatively light-weight and would not overload the structure of the building with useless weight. The system would also be capable of treating water from the sea or other surface water pools and turn it into potable water or water suitable for daily activities. With the reference to these criteria, a water supply system has been developed for high-rise and particularly high-rise buildings, which operation principle lies in water evaporation, which is performed at the lower part of the building, while water steam is uplifted in shafts being affected by natural traction. Upon reaching the top of the shaft, water steam gets cool up to the temperature of dew point and condenses. Condensed water is collected and supplied to pipelines. There is also an option to direct surplus water downwards by pipelines, equipped with turbines for power production. Description of Drawings Fig. 1 - Water supply system basic diagram, profile view; Fig. 2 - Water supply system basic diagram, top view.
Description of the Preferred Embodiment This invention may be realized by employing water evaporation. Fig. 1 shows the best option for implementation of the invention - water supply system for high-rise and particularly high-rise buildings. The best way to use the stated system is to equip it in the buildings, located in the areas of hot climate, where solar energy is sufficient for the evaporation of the required amount of water. Basically, the system comprises of a water basin (1) with casing (10), made of transparent material, the shaft (2) for water steam flow (3) and upper condensation facility (not shown on the drawing), from which the water may flow into the upper tank (not shown). The mentioned water basin (1) may be a land-based water tank, which is continually supplied with ground or surface (river, sea, etc.) water. The basin (1) may also be equipped in the shore of a large water body (sea, ocean, river, lake, etc.), if the building is located close to such water body. In both cases, a transparent casing (10) is arranged above the water surface, leaving an air gap (5). This air gap (5) is used to transfer water steam affected by natural traction, which appears in the shaft (2) due to temperature difference. In order to establish conditions under which a constant one direction steam flow (3) would appear in the mentioned air gap (5), one side (11) of the casing (10) on the opposite side than the shaft (2) is open for environmental air (6) to pass through it. Thus, the casing (10) at one side (11) has an opening, at the other - contraction (9) for water steam flow (3) to pass to the lifting shaft (2). Casing (10) flanks are closed and directly attached to the walls of the basin (1). In case the basin (1) is arranged in the shore of a large water pool, the bottom of the basin is made inclined, a water outlet (8) is left at the bottom of the inclination in basin's wall for water outflow, therefore, the remaining water with the major salt and sewage content settles to the bottom and withdraws via the stated outlet (8). Water change of tide takes place, which ensures prevention of salt and other sewage sediments accumulation in the basin (1). The walls of the shaft (2) are properly insulated from the outside in order the steam temperature throughout the entire height of the shaft would drop as less as possible. By sustaining approximately constant temperature in one shaft (2), steam does not condense on the half-way and useless condensate does not accumulate. If the shaft cannot be properly insulated, it is possible to distribute condensate discharge gutters at certain height intervals for condensate to flow together in the pipes or tanks of single floors. It is also possible to arrange electrically powered heating facilities (not shown) in the water pool (1) in order to steam water on a non-sunny day. Water condensed at the top of the building flows into distribution tanks, from where it is discharged to the lower floors via common water supply systems. Natural water pressure is generated in the stated system due to the tank, located above. Water evaporation should not be stopped even if the amount of water consumed in the building is equal to the amount of water evaporated and lifted. Water surplus can be directed to discharge pipes and falling down at high altitude by which it could produce electric power by spinning turbines or in any other way. It is possible to employ another evaporation technique, when the water is evaporated in vaporizers; the heat is supplied to the mentioned vaporizers via solar collectors distributed on the territory around the building. Having uplifted water steam by the technique described above, it can be discharged into cool air beside the top of the building. Then steam will condense, accumulating artificial clouds, and start falling down as an artificial rain. Such artificial rain in hot regions with no rain for many months or even for a year can be used as refreshing means or entertainment for local residents scarcely seeing any rain.

Claims

Claims
[1] A water supply system for high-rise and particularly high-rise buildings, comprising a water basin (1), from which the water is taken, piping systems laid beneath the building and water collection tanks equipped in the building, characterized in that the water consumed in the entire building is uplifted to the tank, located at the top of the building, by means of evaporation-condensation, taking the following steps:
- The water is evaporated in the basin (1), located at the bottom of the building;
- The water steam is collected and uplifted to the top of the building by means of the shafts (2) being affected by natural traction;
- The steam is condensed in the condenser, located at the top of the building;
- The accumulated water is collected in the tank, located at the top of the building, wherein the inside of the shafts (2) is properly thermally insulated from the outside of the shafts (2) in order to keep temperature as constant as possible via the entire height of the shaft (2).
[2] A water supply system according to claim 1, characterizedby solar energy (4) used for water evaporation.
[3] A water supply system according to claim 1 or 2, characterized by solar energy
(4), used for water evaporation, being collected by means of solar collectors distributed on the earth surface around the building or on the structure of the building.
[4] A water supply system according to claim 1 or 2, characterizedby solar energy
(4), used for water evaporation, falls directly into the basin (1) of water to be evaporated, preferably through the transparent casing (10), which holds water steam (3) and directs it to the steam uplifting shaft (2).
[5] A water supply system according to claim 1, characterizedin that electrically powered heating elements or energy released during a fuel combustion process or other exothermal reactions are used for water evaporation.
[6] A water supply system according to any of the previous claims, characterizedin that water for evaporation (7), which comes from surface water pools, such as the sea, ocean, lake, river, etc., and during evaporation the water distils itself and becomes domestic or potable water.
[7] A water supply system according to any of the previous claims, characterizedby water evaporation basin (1), arranged in the shore of surface water pools, such as the sea, ocean, lake, river, etc., so there is no need to pump the water.
[8] A water supply system according to claim 7, characterizedby the inclined bottom arranged in the water evaporation basin (1), and an outlet (8) - at the lowest point of the said inclination for self-discharging of non-evaporated heavier sea water containing the major of salts in comparison with the water (7) flowing into the basin (1) via the feed area. A water supply system according to any of the previous claims, characterizedin that the surplus of uplifted water from the tank is directed to the water discharge pipes comprising turbines, thus producing electric power. A water supply system according to any of the previous claims, characterizedin that the steam flow is in part discharged outwards of the shaft (2) in the upper region of the building, thus generating artificial clouds and creating artificial rain.
PCT/IB2008/052142 2008-01-09 2008-06-02 Water supply system for high-rise buildings WO2009087495A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
LT2008001 2008-01-09
LT2008001A LT5595B (en) 2008-01-09 2008-01-09 Water-supply system for high-rise buildings

Publications (1)

Publication Number Publication Date
WO2009087495A1 true WO2009087495A1 (en) 2009-07-16

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ID=39744734

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PCT/IB2008/052142 WO2009087495A1 (en) 2008-01-09 2008-06-02 Water supply system for high-rise buildings

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107012910A (en) * 2017-05-02 2017-08-04 蔡璟 A kind of multisection type water delivery device and its power-economizing method for control of desert

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3440842A1 (en) * 1984-11-05 1986-05-07 Manfred Karl-Heinz 1000 Berlin Boers Process and apparatus for demineralising, in particular desalting water
GB2331129A (en) * 1997-11-04 1999-05-12 John Seymour Pembrey Internal wind turbine
DE29908271U1 (en) * 1999-05-08 1999-08-12 Chen Chung Min Water conveyor
EP1126089A2 (en) * 2000-02-10 2001-08-22 Toshiba Tec Kabushiki Kaisha High level water supplying and distributing system
US20050006491A1 (en) * 2003-06-16 2005-01-13 Jung-Ming Lin Method of increasing the raining amounts in the desert and the apparatus thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3440842A1 (en) * 1984-11-05 1986-05-07 Manfred Karl-Heinz 1000 Berlin Boers Process and apparatus for demineralising, in particular desalting water
GB2331129A (en) * 1997-11-04 1999-05-12 John Seymour Pembrey Internal wind turbine
DE29908271U1 (en) * 1999-05-08 1999-08-12 Chen Chung Min Water conveyor
EP1126089A2 (en) * 2000-02-10 2001-08-22 Toshiba Tec Kabushiki Kaisha High level water supplying and distributing system
JP2001295327A (en) * 2000-02-10 2001-10-26 Toshiba Tec Corp Water supply/distributing system for high-rise building
US20050006491A1 (en) * 2003-06-16 2005-01-13 Jung-Ming Lin Method of increasing the raining amounts in the desert and the apparatus thereof

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Publication number Publication date
LT2008001A (en) 2009-07-27
LT5595B (en) 2009-09-25

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