EP0233225A1 - Dispositif d'adoucissement d'eau et son procede d'utilisation - Google Patents

Dispositif d'adoucissement d'eau et son procede d'utilisation

Info

Publication number
EP0233225A1
EP0233225A1 EP19860904761 EP86904761A EP0233225A1 EP 0233225 A1 EP0233225 A1 EP 0233225A1 EP 19860904761 EP19860904761 EP 19860904761 EP 86904761 A EP86904761 A EP 86904761A EP 0233225 A1 EP0233225 A1 EP 0233225A1
Authority
EP
European Patent Office
Prior art keywords
container
water
plates
softened
voltage source
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP19860904761
Other languages
German (de)
English (en)
Inventor
Hans LÜBER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0233225A1 publication Critical patent/EP0233225A1/fr
Withdrawn legal-status Critical Current

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
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/4602—Treatment of water, waste water, or sewage by electrochemical methods for prevention or elimination of deposits
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/46—Apparatus for electrochemical processes
    • C02F2201/461—Electrolysis apparatus
    • C02F2201/46105—Details relating to the electrolytic devices
    • C02F2201/4612—Controlling or monitoring
    • C02F2201/46125—Electrical variables
    • C02F2201/4613—Inversing polarity

Definitions

  • the invention relates to a device according to the preamble of independent claim 1 and a method for operating this device.
  • precipitation and exchange processes are well known and have been in use for a long time to remove hardness constituents of the raw water, that is to say mainly calcium and magnesium salts.
  • the disadvantage of the precipitation processes is that large quantities of chemicals have to be used, which is expensive and pollutes the environment. Chemicals must also be used in the exchange process. In addition, the systems used here must be regenerated periodically.
  • this object is achieved by the features of the characterizing part of claim 1.
  • the device requires only little energy for its operation and is therefore very inexpensive to maintain.
  • the device can be operated completely automatically for a long time.
  • FIG. 1 is a schematic view, partly in section, of a device according to the invention
  • REPLACEMENT LEAF Fig. 2 is an electrical circuit diagram
  • FIG. 3 corresponding to Fig. 1, another embodiment.
  • the container 3 consists of stainless steel with a plastic coating on the inside. Its upper part is cuboid and closed. At the bottom it continues on three quarters of the base area as a truncated pyramid which opens into a drain pipe 15 with a drainage valve 11.
  • the container 3 is divided into two zones by a fine-meshed sieve 4.
  • An inlet pipe 1 for the water to be softened leads into the one zone, which comprises the drain pipe 15.
  • a siphon 5 with an outlet opening 6. Through this the softened water leaves the device and is supplied to the consumer.
  • the sieve 4 is mounted in the container 3 such that the water flowing through it has to pass through it.
  • the part of the device which softens the water consists of an even number of highly polished and stainless steel plates 8 and 8'.
  • the smoothness of the surfaces of the plates 8 and 8 ' is advantageous for the functioning of the device and can be achieved, for example, by bright annealing.
  • the plates 8 and 8 ' are firmly connected to one another by electrically non-conductive holders 7 and suspended from supports 2.
  • the carrier 2 are also made of electrical insulating material. If you think of the plates numbered one after the other, all of them with an even number and all with an odd number are each connected by a current conductor 12 or 12 '.
  • the two current conductors 12 and 12 ' are routed to the output terminals of a pole-reversal switch 13.
  • a DC source 14 the voltage of which can be varied from 0-10 volts, is connected to the input terminals of the pole-reversal switch 13.
  • the water flowing into the container through the inlet pipe 1 is preferably enriched with magnesium. This can be achieved in a manner known per se by galvanic means.
  • a device of this type is known under the name "Hydrocleaner”.
  • the water is softened. In this case, a deposit 10 is formed on those plates which are located at the positive pole of the direct current source 14, which deposit consists largely of lime.
  • the plates on the negative pole remain blank during this time. After leaving the plates 8 or 8 ', the softened water first passes through the sieve 4 before it leaves the system via the siphon 5.
  • the total surface of the plates 8 and 8 ', their distance from one another and the value of the applied voltage depend on the intended flow, the hardness of the inflowing water and the hardness of the outflowing water.
  • the device can be automatically controlled by specifying a setpoint for the conductivity of the emerging water and comparing it with the current conductivity of the water.
  • the voltage of the direct current source 14 can be selected as the manipulated variable.
  • the efficiency of the device decreases over time. If the polarity of the voltage applied to the plates 8 or 8 'is reversed with the aid of the pole-reversal switch 13, the deposit 10 breaks open and crumbles after a short time, a new deposit being simultaneously present on the other plates 8' and 8 builds up.
  • a sieve is unnecessary.
  • the untreated water is introduced through a pipe 25 with an inlet opening 16 into the lower part of the container 3.
  • the pressurized water is fed through a pipe 21 in the upper part of the container 3.
  • the flow rate is set depending on the hardness of the water to be treated. Since the deposits on the plates are more specific than water and therefore sink downwards, they do not get into the pipe 21.
  • the pipe system 31 is attached, which has a plurality of lateral openings 32 and which can be introduced through an opening 30 into air or another suitable gas.
  • the openings 32 are formed in such a way that fine bubbles form when a gas is introduced and flow upwards.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)

Abstract

Récipient dont la partie supérieure est ouverte et dans lequel sont disposées des plaques en acier (8, 8') présentant une surface avec un poli poussé. Un tamis à mailles fines (4) divise le récipient en deux régions. Un tuyau d'arrivée (1) par lequel est véhiculée l'eau à adoucir débouche dans l'une des deux régions. Dans l'autre région se trouve un siphon (5) par lequel l'eau adoucie est amenée à l'utilisateur. Chacune des plaques (8, 8'), qui sont isolées électriquement, peut être reliée en alternance avec le pôle d'une source de tension cc. L'eau subit un traitement d'adoucissement, lors de son passage à travers les plaques (8, 8'), qui forment une série d'éléments galvaniques. Par suite, des dépôts (10) en forme de couches composés essentiellement de calcaire se forment sur ces plaques (8 ou 8') qui sont reliées au pôle positif de l'alimentation en cc. L'inversion de la tension appliquée provoque la désintégration et l'effritement des dépôts (10). Ces derniers, qui s'accumulent au fond du récipient, sont éliminés par l'ouverture d'une vanne de clarification.
EP19860904761 1985-08-22 1986-08-20 Dispositif d'adoucissement d'eau et son procede d'utilisation Withdrawn EP0233225A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH372785 1985-08-22
CH3727/85 1985-08-22

Publications (1)

Publication Number Publication Date
EP0233225A1 true EP0233225A1 (fr) 1987-08-26

Family

ID=4262211

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19860904761 Withdrawn EP0233225A1 (fr) 1985-08-22 1986-08-20 Dispositif d'adoucissement d'eau et son procede d'utilisation

Country Status (2)

Country Link
EP (1) EP0233225A1 (fr)
WO (1) WO1987001108A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH677922A5 (fr) * 1989-01-04 1991-07-15 Hans Lueber
FR2731420B1 (fr) * 1995-03-10 1997-06-13 Mercier Dominique Procede et dispositif de traitement de l'eau en vue de son adoucissement par voie electrochimique
US11040898B2 (en) 2018-06-05 2021-06-22 The Regents Of The University Of California Buffer-free process cycle for CO2 sequestration and carbonate production from brine waste streams with high salinity
AU2022371394A1 (en) * 2021-10-18 2024-05-02 The Regents Of The University Of California Seawater electrolysis enables mg(oh)2 production and co2 mineralization

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE289814C (fr) *
FR448386A (fr) * 1912-09-17 1913-01-29 Claude Achille Meygret Procédé de décalcification des eaux
FR552375A (fr) * 1922-03-24 1923-04-30
GB610725A (en) * 1942-11-09 1948-10-20 Alfred Guldager A method of treating feed water for steam boilers
US2681885A (en) * 1950-05-24 1954-06-22 Robert E Briggs Electrolytic method for treating water
BE623382A (fr) * 1960-12-14
FR1537393A (fr) * 1967-09-15 1968-08-23 Procédé et appareil de conditionnement de l'eau
FR2138310B1 (fr) * 1971-05-24 1973-05-25 Herbert Jean Jacques

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO8701108A1 *

Also Published As

Publication number Publication date
WO1987001108A1 (fr) 1987-02-26

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Legal Events

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Effective date: 19870417

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Effective date: 19881011