NL8901125A - Fluid spraying system with electronic flow control - uses pressurised fluid accumulator and valves controlled by processor to produce fine mist - Google Patents

Fluid spraying system with electronic flow control - uses pressurised fluid accumulator and valves controlled by processor to produce fine mist Download PDF

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Publication number
NL8901125A
NL8901125A NL8901125A NL8901125A NL8901125A NL 8901125 A NL8901125 A NL 8901125A NL 8901125 A NL8901125 A NL 8901125A NL 8901125 A NL8901125 A NL 8901125A NL 8901125 A NL8901125 A NL 8901125A
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NL
Netherlands
Prior art keywords
liquid
pressure
air
gas
atomized
Prior art date
Application number
NL8901125A
Other languages
Dutch (nl)
Original Assignee
Zwart Gerard Johannes De
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 Zwart Gerard Johannes De filed Critical Zwart Gerard Johannes De
Priority to NL8901125A priority Critical patent/NL8901125A/en
Publication of NL8901125A publication Critical patent/NL8901125A/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/24—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/2489—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device an atomising fluid, e.g. a gas, being supplied to the discharge device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
    • B05B12/085—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to flow or pressure of liquid or other fluent material to be discharged
    • 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
    • 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

Abstract

The liquid supply is pumped (9) via a valve (10) to a pressurised reservoir (6). The pressure (12) in the reservoir is maintained by the gas supply (13) via another valve (14). The reservoir has a upper (7) and lower(8) limit detectors. The gas is also fed via a pressure sensing servo valve (3,4) to the spray head (1). The liquid from the reservoir (6) is fed via a pressure sensor (20) to the spray head (1). A control unit (16) monitors the pressure (20) and level (7,8) sensors and controls the operation of the valves (10,14). @(5pp Dwg.No. 1/1)@.

Description

Vernevel installatie voor vloeistoffenMist installation for liquids

De uitvinding heeft betrekking op een installatie voor het vernevelen van vloeistoffen? zoals water? met het doel de vloeistof in een zodanige nevel om te zetten dat de vloeistof verdampt zonder dat druppels gevormd worden. Hiertoe is een bijzonder nauwkeurige regeling van de overdruk van de toe te voeren vloeistof en het gas dat voor de verneveling dient. Speciaal voor de constante vloeistofdruk is een bijzondere maatregel nodig. Hiertoe wordt een vat gebruikt dat gedeeltelijk gevuld is met de vloeistof. De druk in het vat wordt constant gehouden met een drukregeling voor de gasruimte van het vat terwijl het vloeistof niveau geregeld wordt met een inlaatklep. De capaciteit van de vernevelaar kan geregeld worden door een empirisch bepaalde verhouding van gas en vloeistofdruk via een regelcentrum in te stellen.The invention relates to an installation for atomizing liquids? like water? for the purpose of converting the liquid into a mist such that the liquid evaporates without droplets being formed. For this purpose, a particularly precise control is made of the overpressure of the liquid to be supplied and the gas which serves for the atomization. A special measure is required especially for the constant liquid pressure. For this purpose, a vessel is used which is partially filled with the liquid. The pressure in the vessel is kept constant with a pressure control for the gas space of the vessel while the liquid level is controlled with an inlet valve. The capacity of the nebulizer can be controlled by setting an empirically determined ratio of gas and liquid pressure through a control center.

Gebleken is dat het toevoeren van water aan lucht- problemen oplevert als het toegevoerde water niet verdampt maar neerslaat op producten of machines en waardoor ongewenste gevolgen zoals kreuk en corrosie optreden. Het zodanig fijn vernevelen van water dat dit onmiddellijk verdampt vereist dat de druk van het vernevelende gas en de druk van het toegevoerde water constant en nauwkeurig gedefinieerd is.It has been found that the supply of water to air causes problems if the supplied water does not evaporate but precipitates on products or machines, causing undesired consequences such as wrinkling and corrosion. Fine-atomizing water so that it evaporates immediately requires that the atomizing gas pressure and the supplied water pressure be constant and precisely defined.

De uitvinding behelst een inrichting die voldoet aan deze eisen. Speciaal de constante druk van de vloeistof is onderwerp van deze uitvinding.The invention includes a device that meets these requirements. Particularly the constant pressure of the liquid is the subject of this invention.

Fig. 1 toont het schema van de installatie,Fig. 1 shows the scheme of the installation,

De vernevelaar (1) heeft een gastoevoer (S) die met behulp van de drukregelaar (3) en gestuurd door druksensor (4) op een instelbare constante druk gehouden wordt·. De vloeistof toevoer geschiedt via leiding (5) en is verbonden met vat (6). Vat (6) is voorzien van twee niveau sensors (7) en (B). De vloeistoftoevoer uit de onder druk staande leiding (?) naar vat (6) gaat via de electronisch gestuurde klep UO) en leiding (11).The nebulizer (1) has a gas supply (S) which is kept at an adjustable constant pressure by means of the pressure regulator (3) and controlled by the pressure sensor (4). The liquid supply is via line (5) and is connected to vessel (6). Vessel (6) is equipped with two level sensors (7) and (B). The liquid supply from the pressurized line (?) To vessel (6) passes through the electronically controlled valve UO) and line (11).

De met gas gevulde ruimte (IE) in vat (6) is verbonden met de gastoevoer leiding (13) via de electronisch geregelde klep (14), Teneinde de druk in ruimte (IS) tussen scherpe grenzen te beheersen is een afzonderlijke uitlaatklep (15) aangebracht.The gas-filled space (IE) in vessel (6) is connected to the gas supply pipe (13) via the electronically controlled valve (14). In order to control the pressure in space (IS) between sharp limits, a separate outlet valve (15 ).

De regeleenheïd (16) is nu verbonden met de sensoreenheden met de verbindingengroep (17) en met de regelkleppen met de verbindingengroep (18>, Stuurleidingen (1?) zijn verbonden met het bedieningspaneel van de airconditionings installatie. Sensor (50) meet de druk in leiding (5),The control unit (16) is now connected to the sensor units with the connection group (17) and the control valves to the connection group (18>, control lines (1?) Are connected to the control panel of the air conditioning system. Sensor (50) measures the pressure in line (5),

Het systeem werkt nu als volgt:The system now works as follows:

Regelklep (3) houdt de gasdruk naar de vernevelaar (1) constant waarvoor de signalen van sensor (4) dienen. Sensor (EO) meet de toevoerdruk van de vloeistof in leiding (5). Dit gegeven wordt verwerkt in signalen naar kleppen (14) en (.15). De sensors (7) en (8) signaleren de uiterste vloeistofniveaus en de regeleenheïd (16) stuurt de inlaatklep (10). In voorkomende gevallen is het mogelijk kleppen (14) en (15) in een eenheid tezamen te vatten.Control valve (3) keeps the gas pressure to the nebulizer (1) constant for which the signals from sensor (4) are used. Sensor (EO) measures the supply pressure of the liquid in line (5). This data is processed in signals to valves (14) and (.15). The sensors (7) and (8) signal the extreme fluid levels and the control unit (16) controls the inlet valve (10). Where appropriate, it is possible to combine valves (14) and (15) in one unit.

Invloeden van buitenaf zoals drukschokken in de toevoerleidingen en die welke optreden bij het openen of sluiten van kleppen worden geabsorbeerd in Het vat waarbij de gescheiden regeling van druk en niveau een nauwkeurige en constante toevoerdruk opleveren.External influences such as pressure shocks in the supply lines and those that occur when opening or closing valves are absorbed in the vessel where the separate pressure and level control provide an accurate and constant supply pressure.

Doordat de componenten voor de verneveling afzonderlijk en nauwkeurig electronisch te regelen zijn is de mogelijkheid geschapen de capaciteit te regelen zonder het gevaar te lopen dat vloeistof in druppels neerslaat.Because the components for the nebulization can be electronically and individually controlled, the possibility has been created to control the capacity without running the risk of liquid precipitating in droplets.

Claims (3)

13 Vloeistofvernevelinstallatie van het type waarbij vloeistof met lucht onder druk verneveld wordt met het kenmerk dat de gasdruk van de toegevoerde lucht middels een electronisch geregelde toelaatklep constant gehouden wordt en de vloeistofdruk geregeld wordt door een gedeeltelijk met vloeistof gevuld drukregelvat waarbij de gasdruk in het vat electronisch geregeld wordt met een gasinlaatklep en een gasuitlaatklep, terwijl het vloeistofniveau electronisch geregeld wordt tussen twee niveaus met een inlaatklep vanuit een vloeistof-toevoer onder druk. Ξ3 Vloeistofvernevelinstallatie van het type waarbij vloeistof met lucht onder druk verneveld wordt volgens conslusie 1 met het kenmerk dat de gasdruk in het drukregelvat geregeld wordt met behulp van een electronische drukregelaar.13 Liquid atomizing installation of the type in which liquid is atomized with air under pressure, characterized in that the gas pressure of the supplied air is kept constant by means of an electronically controlled admission valve and the liquid pressure is controlled by a pressure regulator partially filled with liquid, whereby the gas pressure in the vessel is electronically is controlled with a gas inlet valve and a gas outlet valve, while the liquid level is electronically controlled between two levels with an inlet valve from a pressurized liquid supply. Ξ3 Liquid atomizing system of the type in which liquid is atomized with air under pressure according to claim 1, characterized in that the gas pressure in the pressure regulating vessel is regulated by means of an electronic pressure regulator. 33 Vloeistofvernevelinstallatie van het type waarbij vloeistof met lucht onder druk verneveld wordt volgens conslusie 1 en 2 met het kenmerk dat met behulp van een electronisch regelcentrum de leiding-drukken en vloeistofniveaus verwerkt worden tot signalen aan de in- en uitlaatkleppen met de mogelijkheid de capaciteit van de verstuiver doormiddel van de geregelde lucht- en vloeistofdruk te variëren.33 Liquid atomizing installation of the type in which liquid is atomized with air under pressure according to claims 1 and 2, characterized in that the pipe pressures and liquid levels are processed into signals at the inlet and outlet valves with the aid of an electronic control center, with the possibility of vary the atomizer by means of the regulated air and liquid pressure. 43 Vloeistofvernevelinstallatie van het type waarbij vloeistof met lucht onder druk verneveld wordt volgens conclusie 1, 2 en 3 met het kenmerk dat de vloeistof .water is voor het bevochtigen van lucht in airconditioningsinstallaties.A liquid atomizing installation of the type in which liquid is atomized with pressurized air according to claims 1, 2 and 3, characterized in that the liquid is water for humidifying air in air-conditioning installations.
NL8901125A 1989-05-03 1989-05-03 Fluid spraying system with electronic flow control - uses pressurised fluid accumulator and valves controlled by processor to produce fine mist NL8901125A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL8901125A NL8901125A (en) 1989-05-03 1989-05-03 Fluid spraying system with electronic flow control - uses pressurised fluid accumulator and valves controlled by processor to produce fine mist

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8901125 1989-05-03
NL8901125A NL8901125A (en) 1989-05-03 1989-05-03 Fluid spraying system with electronic flow control - uses pressurised fluid accumulator and valves controlled by processor to produce fine mist

Publications (1)

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NL8901125A true NL8901125A (en) 1990-12-03

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2852532A1 (en) * 2003-03-18 2004-09-24 Heishin Sobi Kk MATERIAL SUPPLY SYSTEM
EP2457668A1 (en) * 2010-11-30 2012-05-30 Blue Nederland B.V. Material dispensing device and method for controlled dispensing
CN103551267A (en) * 2013-07-30 2014-02-05 长安大学 Device and method for controlling spray gun

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2852532A1 (en) * 2003-03-18 2004-09-24 Heishin Sobi Kk MATERIAL SUPPLY SYSTEM
EP2457668A1 (en) * 2010-11-30 2012-05-30 Blue Nederland B.V. Material dispensing device and method for controlled dispensing
NL2005787C2 (en) * 2010-11-30 2012-06-04 Blue Nederland B V MATERIAL RELEASE DEVICE, MATERIAL RELEASE SYSTEM AND METHOD FOR DRIVING AN OBJECT FROM A MATERIAL.
CN103551267A (en) * 2013-07-30 2014-02-05 长安大学 Device and method for controlling spray gun
CN103551267B (en) * 2013-07-30 2016-01-20 长安大学 A kind of control device of spray gun and method

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