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 dispositivoInfo
- 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
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)
- Control Of Non-Electrical Variables (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
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)
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 |
US4709664A (en) * | 1986-11-03 | 1987-12-01 | Combustion Engineering, Inc. | Method for determining the existence of phosphate hideout |
US4833622A (en) * | 1986-11-03 | 1989-05-23 | Combustion Engineering, Inc. | Intelligent chemistry management system |
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 |
WO2022103388A1 (en) * | 2020-11-11 | 2022-05-19 | Ecolab Usa Inc. | Method for utilizing multiple simultaneous independent sources of water in a cooling tower |
Family Cites Families (2)
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 |
-
1973
- 1973-09-27 IT IT7352806A patent/IT1008567B/it active
-
1974
- 1974-04-11 US US459918A patent/US3918469A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US3918469A (en) | 1975-11-11 |
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