IT1008567B - Dispositivo per il controllo conti nuo del dosaggio di additivi chimi ci in sistemi evaporativi e impian ti con piu sistemi evaporativi con trollati da detto dispositivo - Google Patents

Dispositivo per il controllo conti nuo del dosaggio di additivi chimi ci in sistemi evaporativi e impian ti con piu sistemi evaporativi con trollati da detto dispositivo

Info

Publication number
IT1008567B
IT1008567B IT7352806A IT5280673A IT1008567B IT 1008567 B IT1008567 B IT 1008567B IT 7352806 A IT7352806 A IT 7352806A IT 5280673 A IT5280673 A IT 5280673A IT 1008567 B IT1008567 B IT 1008567B
Authority
IT
Italy
Prior art keywords
evaporative systems
trolled
plants
dosage
chemical additives
Prior art date
Application number
IT7352806A
Other languages
English (en)
Inventor
Mauro Minervini
M Zifferero
L Zamboni
Original Assignee
Nalco Chemical Co
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 Nalco Chemical Co filed Critical Nalco Chemical Co
Priority to IT7352806A priority Critical patent/IT1008567B/it
Priority to US459918A priority patent/US3918469A/en
Application granted granted Critical
Publication of IT1008567B publication Critical patent/IT1008567B/it

Links

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
    • C02F1/043—Details
    • 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
    • C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
    • C02F1/685—Devices for dosing the additives
    • C02F1/686—Devices for dosing liquid additives
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D21/00—Control of chemical or physico-chemical variables, e.g. pH value
    • G05D21/02—Control of chemical or physico-chemical variables, e.g. pH value characterised by the use of electric means
    • 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
    • C02F2103/02—Non-contaminated water, e.g. for industrial water supply
    • C02F2103/023—Water in cooling circuits
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S261/00—Gas and liquid contact apparatus
    • Y10S261/46—Residue prevention in humidifiers and air conditioners
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/0318—Processes
    • Y10T137/0324—With control of flow by a condition or characteristic of a fluid
    • Y10T137/0329—Mixing of plural fluids of diverse characteristics or conditions
    • Y10T137/034—Controlled by conductivity of mixture
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2499—Mixture condition maintaining or sensing
    • Y10T137/2509—By optical or chemical property

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Control Of Non-Electrical Variables (AREA)
IT7352806A 1973-09-27 1973-09-27 Dispositivo per il controllo conti nuo del dosaggio di additivi chimi ci in sistemi evaporativi e impian ti con piu sistemi evaporativi con trollati da detto dispositivo IT1008567B (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT7352806A IT1008567B (it) 1973-09-27 1973-09-27 Dispositivo per il controllo conti nuo del dosaggio di additivi chimi ci in sistemi evaporativi e impian ti con piu sistemi evaporativi con trollati da detto dispositivo
US459918A US3918469A (en) 1973-09-27 1974-04-11 Controlling concentration of additive in an evaporative system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT7352806A IT1008567B (it) 1973-09-27 1973-09-27 Dispositivo per il controllo conti nuo del dosaggio di additivi chimi ci in sistemi evaporativi e impian ti con piu sistemi evaporativi con trollati da detto dispositivo

Publications (1)

Publication Number Publication Date
IT1008567B true IT1008567B (it) 1976-11-30

Family

ID=11277599

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7352806A IT1008567B (it) 1973-09-27 1973-09-27 Dispositivo per il controllo conti nuo del dosaggio di additivi chimi ci in sistemi evaporativi e impian ti con piu sistemi evaporativi con trollati da detto dispositivo

Country Status (2)

Country Link
US (1) US3918469A (it)
IT (1) IT1008567B (it)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3044126A1 (de) * 1980-11-24 1982-06-24 Agfa-Gevaert Ag, 5090 Leverkusen Einrichtung und verfahren zum automatischen, kontinuierlichen verdunstungsausgleich
DE8110301U1 (de) * 1981-04-04 1982-03-11 Karstedt, Carus von, 2000 Norderstedt Dosier- und mischvorrichtung fuer korrosionsschutzmittel in verbindung mit wasserhydraulischen anlagen
FR2505520A1 (fr) * 1981-05-06 1982-11-12 Pictorial Service Dispositif de regeneration d'un fluide contenu dans un bac
US4464315A (en) * 1982-12-20 1984-08-07 Betz Entec, Inc. Indexing controller system and method of automatic control of cooling water tower systems
US4460008A (en) * 1982-12-23 1984-07-17 Leary Richard P O Indexing controller apparatus for cooling water tower systems
GB2176026B (en) * 1985-05-31 1989-10-25 Grace W R & Co Method of and apparatus for dosing a material
US4833622A (en) * 1986-11-03 1989-05-23 Combustion Engineering, Inc. Intelligent chemistry management system
US4709664A (en) * 1986-11-03 1987-12-01 Combustion Engineering, Inc. Method for determining the existence of phosphate hideout
US4813240A (en) * 1988-01-27 1989-03-21 Mobil Oil Corporation Method and apparatus for maintaining a constant active concentration in a cooling tower
US5009848A (en) * 1988-05-02 1991-04-23 Secretarski James M On board automatic diesel engine cooling water chemical treatment dispensing system
EP0589873B1 (en) * 1991-06-18 1999-08-25 Minntech Corporation Machine vor automatically diluting peracetic acid-hydrogen peroxide solution
US5823219A (en) * 1992-08-18 1998-10-20 National Foam, Inc. System and method for producing and maintaining predetermined proportionate mixtures of fluids
US5403521A (en) * 1992-11-02 1995-04-04 Aqua Unity Co., Ltd. Blow system and a method of use therefor in controlling the quality of recycle cooling water in a cooling tower
US5348691A (en) * 1993-06-11 1994-09-20 United Technologies Corporation Atmosphere membrane humidifier and method and system for producing humidified air
US5855791A (en) * 1996-02-29 1999-01-05 Ashland Chemical Company Performance-based control system
DE19857544A1 (de) * 1998-12-14 2000-06-15 Henkel Kgaa Steuerung der Abflut in Kühlkreisläufen
US6068012A (en) * 1998-12-29 2000-05-30 Ashland, Inc. Performance-based control system
DE19952964A1 (de) * 1999-11-03 2001-05-10 Basf Ag Verfahren zur katalytischen Gasphasenoxidation zu (Meth)Acrolein und/oder (Meth)Acrylsäure
US6752930B2 (en) * 2001-05-18 2004-06-22 Peter L. Alexander Chlorination apparatus and method
CA2710899A1 (en) * 2009-07-23 2011-01-23 H2Tronics, Inc. Cooling tower system with chemical feed responsive to actual load
AU2012101726B4 (en) * 2012-11-28 2015-03-19 In2Process Pty Ltd Air conditioning additive system
EP4244564B1 (en) * 2020-11-11 2025-03-26 Ecolab Usa Inc. Method for utilizing multiple simultaneous independent sources of water in a cooling tower

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3428557A (en) * 1966-09-19 1969-02-18 Calgon Corp Method and apparatus for controlling boiler systems
US3447510A (en) * 1967-05-31 1969-06-03 Calgon Corp Automatic boiler water conditioning

Also Published As

Publication number Publication date
US3918469A (en) 1975-11-11

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