WO2004055444A1 - Installation d'humidification de l'air - Google Patents

Installation d'humidification de l'air Download PDF

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Publication number
WO2004055444A1
WO2004055444A1 PCT/EP2002/014474 EP0214474W WO2004055444A1 WO 2004055444 A1 WO2004055444 A1 WO 2004055444A1 EP 0214474 W EP0214474 W EP 0214474W WO 2004055444 A1 WO2004055444 A1 WO 2004055444A1
Authority
WO
WIPO (PCT)
Prior art keywords
air humidification
permeate
humidification system
pressure
osmosis
Prior art date
Application number
PCT/EP2002/014474
Other languages
German (de)
English (en)
Inventor
Ludwig Michelbach
Original Assignee
Ludwig Michelbach
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 Ludwig Michelbach filed Critical Ludwig Michelbach
Priority to PCT/EP2002/014474 priority Critical patent/WO2004055444A1/fr
Priority to EP02795222A priority patent/EP1573252A1/fr
Priority to AU2002361006A priority patent/AU2002361006A1/en
Publication of WO2004055444A1 publication Critical patent/WO2004055444A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F6/00—Air-humidification, e.g. cooling by humidification
    • F24F6/12—Air-humidification, e.g. cooling by humidification by forming water dispersions in the air
    • F24F6/14—Air-humidification, e.g. cooling by humidification by forming water dispersions in the air using nozzles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F6/00—Air-humidification, e.g. cooling by humidification
    • F24F2006/006—Air-humidification, e.g. cooling by humidification with water treatment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F6/00—Air-humidification, e.g. cooling by humidification
    • F24F6/12—Air-humidification, e.g. cooling by humidification by forming water dispersions in the air
    • F24F6/14—Air-humidification, e.g. cooling by humidification by forming water dispersions in the air using nozzles
    • F24F2006/146—Air-humidification, e.g. cooling by humidification by forming water dispersions in the air using nozzles using pressurised water for spraying
    • 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
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/54—Free-cooling systems

Definitions

  • the invention relates to an air humidification system according to the preamble of patent claim 1.
  • duct humidification is often provided today, i.e. Humidified air is blown into an area to be humidified via an air duct.
  • the air in the duct is humidified by introducing water from the nozzles into the air duct at high pressures. Due to the high pressures, the water particles can be introduced into the air stream in a kind of aerosol mist, so that a very effective evaporation is guaranteed with negligible water loss.
  • the object of the present invention is to build such an air humidification system even more compact.
  • a core idea of the present invention is to integrate the osmosis system even more directly into the actual air humidification system and thus to prevent the osmosis system from working largely independently of the pressurized water line system of the air humidification system.
  • the osmosis system is provided for this purpose directly in the pressurized water line system, ie in the pressure area of the air humidification system.
  • the high-pressure pump is designed to be infinitely variable. This is preferably done in that the high pressure pump interacts with a continuously variable frequency converter.
  • the stepless controllability of the high pressure pump can be used to control or regulate the application rate of the air humidification device.
  • the - interposed osmosis system is designed in such a way that it is fully functional over the variable pressure range and the variable water demand range.
  • the osmosis system is designed with a control or regulable ion center return and / or permeate return. This allows the salinity of the osmosis system to be regulated continuously. At the same time, the modules can be rinsed, even if the air humidification system consumes no or only a comparatively small amount of water. Due to the proposed permeate and / or K-concentrate concentrate, the osmosis system can easily be introduced directly into the passage between the pressure booster and nozzles or nozzle sticks. In the prior art, temporary stores or tanks were regularly provided, which served as buffers for the desalinated water.
  • one or more pressure reducers are arranged within the concentrate return and / or within the permeate return in order to be able to lead the permeate or concentrate from the high pressure area back to the low pressure inlet of the single high pressure pump.
  • the conductance of the permeate provided is difficult to measure directly in the supply line to the nozzle assemblies due to the high pressures that occur, it is provided according to an advantageous embodiment of the present invention to arrange a conductivity sensor downstream of the at least one pressure reducer in the permeate return.
  • the conductivity sensor is exposed to significantly lower pressures, so that its construction is simpler and therefore less expensive.
  • a detection of the flow rate of the water supplied to the nozzle assemblies in the pressurized water line system can also be avoided by detecting the amount of fresh water inlet immediately before the high-pressure pump or the osmosis system and the amount of the discarded concentrate in a concentrate counter as a second Measured variable is recorded.
  • the amount of permeate delivered to the nozzle assemblies then results from the difference in the amount of fresh water minus the discarded amount of concentrate.
  • the compact structure of the air humidification system can be further improved in that valves are provided which control individual nozzle assemblies.
  • At least one humidity sensor can be provided in the air duct and preferably also in the room to be humidified, in order to provide a control variable for a central control device and to control the (only) high-pressure pump and / or the valves accordingly ,
  • FIG. 1 shows a first embodiment of an air humidification system according to the invention
  • FIG. 2 shows the air humidification system according to FIG. 1, including the control or regulation-technical connection to a central control device in a schematic representation
  • FIG. 3 shows a modified embodiment of the air humidification system according to the invention according to FIG. 1,
  • FIG. 4 shows a modified embodiment of the air humidification system according to the invention according to FIG. 3.
  • a first advantageous embodiment of the air humidification system according to the invention according to FIGS. 1 and 2 comprises a pressurized water line system 11 with a plurality of nozzles 12, 13 or nozzle sticks 27, 28 and a reverse osmosis system 14 that is at least partially, but preferably completely, integrated into the pressurized water line system.
  • a hardness degree monitoring device 36, a first pressure sensor 37, a filter 38, a second pressure sensor 39 and a solenoid valve 40 as well as a water meter 26 and a pressure switch 41 are connected downstream of a raw water inlet 35 into a raw water line 58.
  • a subsequent high-pressure pump 17 is coupled to a continuously adjustable frequency converter 18 and at the same time serves as a pressure-increasing device for the pressurized water line system 11 and as an osmosis pump for the reverse osmosis system 14.
  • a third pressure sensor 42 is assigned to the output of the high-pressure pump 17.
  • the output of the high-pressure pump 17 is connected to a raw water inlet 44 at least one, preferably a plurality of parallel-connected modules 15 and reverse osmosis 16 • coupled.
  • the concentrate leaves the reverse osmosis modules 15 and 16 via a concentrate line 45, the permeate leaves the reverse osmosis modules 15 and 16 via a permeate line 46.
  • the reverse osmosis modules 15 and 16 have a control valve 49 in the concentrate line 45, which is preferably designed as a 2-way control valve , downstream.
  • An outlet of the control valve 49 leads via a concentrate return 19 with at least one pressure reducer 21, 22 between the solenoid valve 40 and the water meter 26 to the raw water line 58.
  • the other outlet of the control valve 49 is connected to a concentrate drain 48 via a water meter 47.
  • a reverse tap 51, a permeate return 20 and a further pressure sensor 43 are connected downstream of the reverse osmosis modules 15 and 16 in the permeate line 46.
  • the permeate is then fed to the air humidification device. There it is distributed via at least one valve 32 to one or more nozzle assemblies 27, 28 with one or more nozzles 12, 13 and sprayed into an air duct 33.
  • the humidified air passes through the air duct 33 into a room 34 to be air-conditioned.
  • At least one humidity sensor 29, 30 can be provided in the air duct 33 and preferably also in the room 34.
  • the permeate return 20 is connected to the raw water line 58 via a control valve 50, at least one pressure reducer 23, 24 and via a conductivity sensor 25.
  • the air humidification system can be controlled or regulated via a control device 31.
  • Raw water which was usually decalcified in a softening system, is fed to the system via the raw water inlet 35.
  • the hardness degree monitoring device 36 is provided to detect the hardness degree of the raw water, so that if a predetermined limit value is exceeded, the further supply of raw water, for example by closing the solenoid valve 40, can be automatically or manually prevented.
  • the reverse osmosis system is preferably switched off automatically when the value exceeds 1 ° dH. This prevents the water with a higher degree of hardness from reaching the reverse osmosis modules 15 and 16. This would result in the reverse osmosis modules becoming clogged.
  • the filter 38 in the raw water line 58 ensures that particles are separated from the raw water that could contaminate, clog or damage the high-pressure pump 17 and the reverse osmosis modules 15 and 16.
  • the solenoid valve 40 can be closed when the system is switched off, for example to enable the system to be flushed.
  • the high-pressure pump 17 serves to press the raw water with pressure, in the order of magnitude 2 to 140 bar, into the reverse osmosis modules 15 and 16, and is at the same time a pressure-increasing device for the pressurized water line system 11.
  • the high-pressure pump 17 is designed to be infinitely variable and can be set with an infinitely variable one Frequency converter 18 cooperate.
  • the infinitely variable adjustability can be used to control or regulate the amount of permeate that is applied in the air humidification device.
  • the high-pressure pump 17 is set such that as much raw water is supplied to the reverse osmosis modules 15 and 16 as the permeate required at the nozzle sticks 27, 28 or nozzles 12, 13 for air humidification. Intermediate storage of the permeate in a container is therefore not necessary.
  • the pressure at the outlet of the high-pressure pump 17 can be set, for example, as a function of the values which are detected by the humidity sensors 29, 30, the fourth pressure sensor 43, the conductivity sensor 25 and the water meters 26 and 47.
  • the reverse osmosis modules 15 and 16 can preferably be switched on and off, depending on the amount of permeate required.
  • the control valve 49 in the concentrate line 45 can preferably be used to set automatically, but also manually, the amount of the concentrate that is returned to the flow of the high-pressure pump 17 via the concentrate return 19.
  • the concentrate return flow must be adjusted to the suction-side pressure of the high-pressure pump 17 via at least one pressure reducer 21, 22.
  • the remaining portion of the concentrate is fed to the concentrate drain 48 via the water meter 47 and is usually discarded as waste.
  • the amount of permeate that is returned to the flow of the high-pressure pump 17 can preferably be set automatically, but also manually.
  • the pressure in the permeate return 20 must be reduced to the suction-side pressure of the high-pressure pump 17 via at least one pressure reducer 23, 24. Since the conductance of the permeate, which can be used to regulate the high-pressure pump 17, can be determined only with great effort because of the high pressures in the supply line to the nozzle assemblies 27, 28, the conductance sensor 25 is, according to a particular concept of the present invention, in the unpressurized part the permeate return 20, downstream of the at least one pressure reducer 23, 24, arranged.
  • the control or regulable concentrate and permeate recycling increases both the control and regulation options for the salt content in the reverse osmosis system and the control options for the air humidification system according to the invention.
  • the concentrate return 19 constant supply of raw water adjust the amount of permeate and the salt content in the permeate.
  • the permeate return 20 in particular gives the possibility of keeping the salt content in the permeate very low.
  • the reverse osmosis modules 15 and 16 can be rinsed, even if the air humidification device consumes little water.
  • the permeate return 20 can also be used, for example, to adjust the amount of permeate delivered to the nozzle assemblies 27, 28.
  • the control and regulation options through the concentrate and permeate recycling are not limited to the examples mentioned here. Although it is fundamentally preferred in accordance with a particular aspect of the present invention to provide both a concentrate and a permeate return, an air humidification system with only concentrate or only permeate return can also be set and regulated in a variety of ways.
  • one or more nozzle assemblies 28 can be activated via a valve 32.
  • the amount of permeate delivered to the nozzle sticks 27, 28 results from the difference between the amount of filtered raw water detected by the water meter 26 in the raw water line 58 minus the amount of discarded concentrate detected by the water meter 47 in the concentrate line 45.
  • the amounts of water recorded on the water meters, which are preferably automatically transmitted to the control device 31, can serve to continuously regulate the amount of permeate.
  • the air humidity detected by the humidity sensors 29, 30 in the air duct 33 and in the air-conditioned space 34 can serve as a further control variable for the high-pressure pump 17 and / or the valves 32 and / or further control valves that regulate the amount of permeate delivered to the nozzle assemblies 27, 28 ,
  • All components for the control or regulation of the air humidification system and all components for measured value acquisition are preferably connected to a central control device 31 already mentioned (FIG. 2).
  • the measured values of all sensors are fed to the control device 31.
  • the frequency converter 18 and preferably all the control valves are controlled and adjusted, in particular regulated, by the control device 31.
  • the pressure reducers 21, 22, 23, 24 can also be controlled and set by the control device 31, in a simple embodiment they can also be set manually to a predetermined parameter or set to a specific value.
  • the control device 31 is equipped with a display device for constant monitoring of the system or the individual parameters and a device for archiving the data.
  • the control device can be implemented, for example, with a PC.
  • a PLC can also be used. All data and malfunctions can be forwarded immediately and immediately from the control device 31 to a central control center via an interface for a networked connection of the system.
  • FIG. 3 shows a modified embodiment of the air humidification system according to the invention according to FIG. 1.
  • the air humidification system according to FIG. 3 has been expanded by a blending device.
  • the blending device comprises a bridging line 52 with a control valve 53.
  • the reverse osmosis modules 15 and 16 are bridged, so that part of the filtered raw water can be fed directly to the nozzle sticks 27, 28. This provides a further control or regulation option for the air humidification system.
  • the bypass line 52 is led from the outlet of the high pressure pump 17 upstream of the permeate return 20 to the permeate line 46. A portion of the filtered raw water can now be led past the reverse osmosis modules 15 and 16 if a correspondingly predetermined salt content in the water can be tolerated.
  • the ratio of permeate emerging from the reverse osmosis modules and the raw water led through the bypass line 52 can then be adjusted manually or automatically by means of the control valve 53.
  • the conductance is preferably measured after the raw water has been fed into the permeate stream.
  • the conductance measurement of the blended permeate is preferably carried out with the conductance sensor 25 in the permeate return 20.
  • the conductance is determined in accordance with a preferred aspect of the invention at reduced pressure in a bypass line 55.
  • the bypass line 55 leads from the permeate outlet 46 between the concentrate return 19 and the water meter 47 to the concentrate line 45.
  • the bypass quantity is then calculated together with the concentrate quantity Reverse osmosis modules 15 and 16 detected by the water meter 47. This ensures that the difference between the amount of water measured on the water meter 26 in the raw water stream minus the amount of water measured on the water meter 47 in the concentrate stream corresponds to the amount of permeate actually output at the nozzle sticks 27, 28.
  • a conductance sensor 57 is connected in the bypass line 55 to a control valve 56 and at least one pressure reducer 54 and detects the conductance of the permeate stream from the reverse osmosis modules 15 and 16.
  • FIG. 4 shows a modified embodiment of the air humidification system according to the invention according to FIG. 3.
  • the bridging line 52 is here led to the permeate line 46 between the permeate return 20 and the nozzle sticks 27, 28.
  • the conductance of the permeate emerging from the reverse osmosis modules 15 and 16 is preferably determined by the conductance sensor 25 in the permeate return 20.
  • a bypass line 55 leads from the permeate line 46 to the concentrate line 45, between the concentrate return line 19 and the water meter 47 after the raw water has been supplied via the bypass line 52.
  • a conductivity value sensor 57 in the bypass line 55 is connected downstream of a control valve 56 and at least one pressure reducer 54.
  • all components for controlling or regulating the air humidification system and all components for measured value acquisition are preferably connected to a central control device 31 (in FIG. 3 and FIG 4 not shown).
  • the measured values recorded by all sensors are fed to the control device 31.
  • the frequency converter 18 and preferably all the control valves are controlled and set by the control device 31, in particular regulated.
  • the pressure reducers 21, 22, 23, 24, 54 can also be controlled and set by the control device 31, in a simple embodiment they can also be set manually to a predetermined parameter or set to a specific value. Due to the advantageous embodiment of the air humidification system according to FIGS.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Dispersion Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

L'invention concerne une installation d'humidification de l'air servant à générer un nuage aérosol dans une canalisation d'air. A cet effet, l'installation d'humidification de l'air comprend un système de conduites d'eau sous pression (11) destiné à fournir de l'eau sous pression, la pression de cette eau se situant dans des plages de travail allant approximativement de 2 à 140 bars, de préférence de 60 à 120 bars. Selon l'invention, ledit système de conduites d'eau sous pression (11) se trouve en communication fluidique avec une pluralité de buses (12, 13) et comprend un dispositif d'augmentation de pression pour générer lesdites pressions. Cette installation d'humidification de l'air comprend en outre un dispositif d'osmose (14) comportant au moins un module d'osmose inverse (15, 16) ainsi qu'une pompe osmotique servant à conduire de l'eau à travers le(s) module(s) d'osmose inverse (15, 16). L'installation d'humidification de l'air selon l'invention est caractérisée en ce que le(s) module(s) d'osmose inverse (15, 16) du dispositif d'osmose est/sont disposé(s) au sein du système de conduites d'eau sous pression (11) de l'installation d'humidification de l'air, et en ce que la pompe osmotique du dispositif d'osmose (14) ainsi que le dispositif d'augmentation de pression du système de conduites d'eau sous pression (11) sont mis en oeuvre sous la forme d'une pompe haute pression (17) unique qui exécute les fonctions desdits deux appareils.
PCT/EP2002/014474 2002-12-18 2002-12-18 Installation d'humidification de l'air WO2004055444A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/EP2002/014474 WO2004055444A1 (fr) 2002-12-18 2002-12-18 Installation d'humidification de l'air
EP02795222A EP1573252A1 (fr) 2002-12-18 2002-12-18 Installation d'humidification de l'air
AU2002361006A AU2002361006A1 (en) 2002-12-18 2002-12-18 Humidifier installation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2002/014474 WO2004055444A1 (fr) 2002-12-18 2002-12-18 Installation d'humidification de l'air

Publications (1)

Publication Number Publication Date
WO2004055444A1 true WO2004055444A1 (fr) 2004-07-01

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Application Number Title Priority Date Filing Date
PCT/EP2002/014474 WO2004055444A1 (fr) 2002-12-18 2002-12-18 Installation d'humidification de l'air

Country Status (3)

Country Link
EP (1) EP1573252A1 (fr)
AU (1) AU2002361006A1 (fr)
WO (1) WO2004055444A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10228150B2 (en) * 2015-05-27 2019-03-12 Samsung Electronics Co., Ltd. Humidifying apparatus

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3608152A1 (de) * 1986-03-12 1987-09-24 Meyer Fa Rud Otto Verfahren zur regelung von duesenkammern mit mehreren einzeln abschaltbaren duesenstoecken von luftwaeschern und anlage zur durchfuehrung des verfahrens
DE4110550A1 (de) * 1991-03-30 1992-10-01 Ludwig Michelbach Fa Einrichtung zur luftbefeuchtung mit druckwasser
US5160430A (en) * 1991-09-25 1992-11-03 Brite-O-Matic Manufacturing, Inc. Car wash system using reverse osmosis concentrate for initial rinsing and permeate for final rinsing
DE4218114A1 (de) * 1992-06-02 1993-12-09 Guenter Lauer Verfahren zur Herstellung und Bereitstellung von Waschwasser für eine Waschanlage sowie Waschanlage
DE19748997A1 (de) * 1997-11-06 1999-05-20 Schilling Chemie Gmbh U Produk Umkehrosmoseanlage und Verfahren zum Betrieb einer Umkehrosmoseanlage
DE19807683C1 (de) * 1998-02-25 1999-09-30 Ludwig Michelbach Luftbefeuchtungsvorrichtung
WO2000010695A1 (fr) * 1998-08-24 2000-03-02 Raytec Corporation Dispositifs automatises d'humidification utilisant des agents antimicrobiens
US6092794A (en) * 1998-12-23 2000-07-25 Cool Fog Systems, Inc. Secondary air humidification handler
EP1240938A1 (fr) * 2001-03-14 2002-09-18 Ludwig Michelbach Installation d'osmose inverse

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3608152A1 (de) * 1986-03-12 1987-09-24 Meyer Fa Rud Otto Verfahren zur regelung von duesenkammern mit mehreren einzeln abschaltbaren duesenstoecken von luftwaeschern und anlage zur durchfuehrung des verfahrens
DE4110550A1 (de) * 1991-03-30 1992-10-01 Ludwig Michelbach Fa Einrichtung zur luftbefeuchtung mit druckwasser
US5160430A (en) * 1991-09-25 1992-11-03 Brite-O-Matic Manufacturing, Inc. Car wash system using reverse osmosis concentrate for initial rinsing and permeate for final rinsing
DE4218114A1 (de) * 1992-06-02 1993-12-09 Guenter Lauer Verfahren zur Herstellung und Bereitstellung von Waschwasser für eine Waschanlage sowie Waschanlage
DE19748997A1 (de) * 1997-11-06 1999-05-20 Schilling Chemie Gmbh U Produk Umkehrosmoseanlage und Verfahren zum Betrieb einer Umkehrosmoseanlage
DE19807683C1 (de) * 1998-02-25 1999-09-30 Ludwig Michelbach Luftbefeuchtungsvorrichtung
WO2000010695A1 (fr) * 1998-08-24 2000-03-02 Raytec Corporation Dispositifs automatises d'humidification utilisant des agents antimicrobiens
US6092794A (en) * 1998-12-23 2000-07-25 Cool Fog Systems, Inc. Secondary air humidification handler
EP1240938A1 (fr) * 2001-03-14 2002-09-18 Ludwig Michelbach Installation d'osmose inverse

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10228150B2 (en) * 2015-05-27 2019-03-12 Samsung Electronics Co., Ltd. Humidifying apparatus

Also Published As

Publication number Publication date
AU2002361006A1 (en) 2004-07-09
EP1573252A1 (fr) 2005-09-14

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