EP2078174B1 - Système de traitement de l'eau - Google Patents

Système de traitement de l'eau Download PDF

Info

Publication number
EP2078174B1
EP2078174B1 EP07818109A EP07818109A EP2078174B1 EP 2078174 B1 EP2078174 B1 EP 2078174B1 EP 07818109 A EP07818109 A EP 07818109A EP 07818109 A EP07818109 A EP 07818109A EP 2078174 B1 EP2078174 B1 EP 2078174B1
Authority
EP
European Patent Office
Prior art keywords
water
hot water
water treatment
reaction tank
treatment system
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.)
Active
Application number
EP07818109A
Other languages
German (de)
English (en)
Other versions
EP2078174B8 (fr
EP2078174A2 (fr
Inventor
Maximilian Steinkellner
Christof Tallian
Gerhard Schuch
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=38993110&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2078174(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Publication of EP2078174A2 publication Critical patent/EP2078174A2/fr
Publication of EP2078174B1 publication Critical patent/EP2078174B1/fr
Application granted granted Critical
Publication of EP2078174B8 publication Critical patent/EP2078174B8/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D17/00—Domestic hot-water supply systems
    • F24D17/0073—Arrangements for preventing the occurrence or proliferation of microorganisms in the water
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D17/00—Domestic hot-water supply systems
    • F24D17/0078—Recirculation systems

Definitions

  • the present invention relates to a water treatment system, in particular for legionella treatment of drinking water, wherein the water treatment system comprises a disposed in a circulation circuit of a hot water system hot water treatment system.
  • Legionella treatment plays an important role in this context. Legionella are aquatic Gram-negative non-sporulating bacteria that are motile by one or more flagella. Since all Legionella are considered to be potentially pathogenic to humans, and since, moreover, heated water form optimal conditions for the propagation of Legionella, measures to reduce Legionella are to be provided in particular in hot water production and hot water distribution systems, swimming pools.
  • hot water system For the installation and operation of domestic water heating and drinking water piping systems (hereinafter simply referred to as "hot water system"), DVGW Code of Practice W 551 applies via the " Technical Measures to Reduce Legionella Growth "of April 2004 , Thereafter, a temperature of at least 60 ° C must be maintained at the interface between the hot water system and the hot water consumer, such as the shower or the tap. Furthermore, in hot water systems with a circulation circuit, the hot water temperature in the system must not fall by more than 5 ° C from the outlet temperature. Thus, the return temperature of the circulation in the water heater must be at least 55 ° C.
  • Ultrafiltration uses modules with ultrafiltration membranes through which the drinking water to be treated passes.
  • the retention rate of the membrane used is usually about 0.02 microns, so that all particles larger than 0.02 microns, are removed from the water to be treated.
  • the rectilinear flow of the line system is hydraulically or electromechanically blocked and the water is passed through the wall of the membrane capillary to the outside.
  • the filtered pure water is collected via a cladding tube surrounding the ultrafiltration module and passed through a connection to the supply system as absolutely bacteria-free and low-virus water.
  • ultrafiltration systems for water treatment is to be seen in particular in the fact that such systems are technically complex, so that not only the initial investment but also the current operating costs of such systems are quite high. Above all, ultrafiltration systems are only of limited suitability for retrofitting an existing drinking water heating and drinking water pipeline system.
  • the legionella contained in drinking water is killed by briefly heating the drinking water to over 70 ° C.
  • the plant technology requirements for operating a thermal disinfection system must be mentioned as a disadvantage.
  • electrochemical disinfection the oxidizing power of the water is exploited by splitting the water molecules with the aid of electrodiafragm analysis. In this process, particular attention must be paid to the pH neutrality, since otherwise (as well as during chemical disinfection) pipe corrosion can possibly occur in the drinking water system.
  • electrochemical disinfection is technically not yet fully developed.
  • the present invention is based on the object of specifying a device for water treatment and in particular for Legionella treatment of drinking water, which allows as simple as possible and without the use of chemical additives in a reduction of the Legionellenanteils in drinking water.
  • a water treatment system is to be specified, which can be used later without additional construction effort in an existing hot and / or cold water system.
  • the invention is based on the idea to provide a device with a water treatment system comprising a arranged in a circulation circuit of a hot water system hot water treatment system, said hot water treatment system comprising: a reactor system with a reaction tank into which at least a part of the circulating water flowing in the water is passed; and a circulation system comprising a feed line system connectable to the reaction tank, a return line system connected to the reaction tank, and a cavitating device disposed between the flow and return line systems, wherein at least a portion of the water fed into the reaction tank is supplied to the cavitating device via the feed line system and after passage is returned by the Kavitator dressed via the return line system back to the reaction tank, wherein the Kavitator sexual the hot water treatment system is designed to produce in a controlled manner in the supplied via the supply line water gas cavitation, and wherein the reaction tank of the hot water treatment system is designed, via the return line system of the Cavitator worn recirculated water to degas, so that the guided through the reactor system at least
  • the solution according to the invention has a number of significant advantages over the known from the prior art and measures described above for Legionella treatment of drinking water.
  • the essence of the invention is to set in the drinking water to be treated a medium of oxygen depletion and CO 2 reduction to produce a particularly nutrient-poor hydrocarbon-free water in the most effective, yet easy to implement, which is no food for amoebae or in the water depicting stored legionella more.
  • the drinking water to be treated is treated (degassed) in such a way that in drinking water the living conditions for bacteria or Legionella are drastically worsened.
  • the solution according to the invention is a measure with which, especially without the use of chemicals, the bacterial and Legionella population in drinking water can be kept at a level that is harmless to health.
  • cavitator device as used herein is to be understood in general as meaning a fluidically suitably constructed device in which very high transverse accelerations occur in the water passed through the cavitator device and to be treated. These lateral accelerations have various effects on the flowing medium, such as the occurrence of extreme gravitational forces and turbulence. Differences of up to 10 bar can be generated by the conversion of the pressure energy into speed energy effected in the cavitator device. At the prevailing arbitrarily adjustable pressure conditions in the cavitator device, gas cavitations can thus be produced in the flowing medium (that is to say in the drinking water to be purified) in a targeted manner.
  • the process for the treatment of drinking water is a particularly effective, yet easy to implement measure to eliminate bacteria etc. from drinking water.
  • the components required for this purpose are characterized in particular by the fact that they can be retrofitted in a circulation circuit of a hot water system as needed, without this special structural measures are required.
  • the water treatment system in addition to the hot water treatment system, it further comprises a cold water treatment system arranged in a cold water inlet of the hot water system.
  • This cold water treatment system in this case has a reactor system with a reaction tank into which at least a portion of the hot water system via the cold water inlet supplied cold water is passed, and a circulation system, which can be connected to the reaction tank supply line system, connected to the reaction tank return line system and between the flow - And return line system arranged Kavitatordazzling, wherein at least a portion of the guided into the reaction tank water of Kavitator Nur supplied via the supply line system and is returned to the reaction tank after passing through the Kavitator sexual on the return line system.
  • the reactor and circulation system of the cold water treatment system is functionally identical to the reactor or circulation system of the hot water treatment system.
  • the Kavitator worn the cold water treatment system is designed to be able to generate a gas cavitation in a regulated manner in the cold water supplied via the supply line system.
  • the reaction tank of the cold water treatment system is designed to degas the returned via the return line system of Kavitator learned water so that the passed through the reactor system at least a portion of the water through the cold water inlet to the hot water system is supplied as in particular oxygen and low-CO 2 cold water.
  • the water treatment system according to the invention which also includes a cold water treatment system in addition to the hot water treatment system, therefore, a treatment of the hot water in the circulation water circuit of the hot water system takes place on the cold water treatment system treatment of the cold water inlet for hot water preparation and the hot water treatment system.
  • the bacterial and especially Legionella component in the drinking water discharged from the hot water or cold water system can be eliminated in a particularly effective manner.
  • the cavitation device of the hot water treatment system and / or the cold water treatment system - if the water treatment system is also equipped with a cold water treatment system in addition to the hot water treatment system - provided that the KavitationsUNE is designed so that the gas cavitation in the center of the flow cross-section of the corresponding Supply line system supplied water is generated.
  • the cavitation device with which the flow in the corresponding cavitator device or in the outlet of the cavitator device is specially designed, so that the region of cavitation remains in the center of the flow cross section, thus avoiding increased mechanical stresses on the limiting element Surfaces, such as the inner wall of the Kavitator styles, the tube inner walls, etc., cause.
  • Suitable measures to keep the gas cavitation in the center of the flow cross-section are known from fluid mechanics and will not be described further here.
  • the Kavitator adopted the hot water treatment system and / or the cold water treatment system, when the water treatment system is equipped with a cold water treatment system designed to produce in the over the corresponding supply line system water pressure fluctuations preferably between 0.9 to 6 bar (absolute).
  • a cavitator device with which virtually any pressure conditions and associated speed ratios can be set in the fluid flowing through the cavitator device.
  • Said pressure range between 0.9 to 6 bar is a preferred pressure range;
  • pressure fluctuations are conceivable, such as between 0.5 to 10 bar (absolute).
  • the circulation system is a first controllable pump in the corresponding supply line system and preferably (but not necessarily) having second controllable pump in the return line system.
  • the first pump is advantageously a pressure-controlled pump, this serving to supply the drinking water to be treated from the reactor system of Kavitator Anlagen.
  • the second (optional) provided pump in the return line system is used to accurately adjust the amount of water supplied to the reactor system (or the reaction tank) and the circulation caused during the feed. The second pump thus assumes the function of a circulation pump and is frequency-controlled in an advantageous manner.
  • the reaction tank of the hot water treatment system has a first port connectable to the circulation circuit of the hot water system for supplying at least a portion of the water flowing in the circulation circuit to the reaction tank, a second port connectable to the flow line system of the circulation system, and the water passed into the reaction tank to the cavitating device of the hot water treatment system supply at least one connectable to the return line system of the circulation system third terminal, to supply the water passed through the Kavitator worn the hot water treatment system back to the reaction tank, and connectable to the circulation circuit of the hot water system fourth port to supply the particular oxygen and low-CO 2 water to the circulation circuit again.
  • the reaction tank of the cold water treatment system has a first port connectable to the cold water supply to supply at least a portion of the cold water to be supplied to the hot water system to the reaction tank.
  • a second port connectable to the feed line system of the circulation system for feeding the cold water supplied to the reaction tank to the cavitator means of the cold water treatment system, at least one third port connectable to the recycle line system of the circulation system to re-supply the water passed through the cavitator device of the cold water treatment system to the reaction tank; Having connectable with the cold water inlet fourth port to the cold water inlet in particular the oxygen and To supply low CO 2 water to the hot water system.
  • reaction tank which is used according to the two last-mentioned preferred embodiments of the water treatment system according to the invention for the hot water treatment system or cold water treatment system is known in principle from the prior art and allowed by design a high deposition rate of gaseous ingredients of the water to be treated, if this is desired.
  • the reaction tank can be operated both in DC operation and in countercurrent operation, so as to adjust the residence time of the introduced water in the reaction tank accordingly.
  • the at least one third connection which serves to supply the water passed through the cavitating device of the hot or cold water treatment system back to the corresponding reaction tank, opens tangentially into the reaction tank so as to produce a circular vortex flow in the reaction tank, whereby the separated gas components accumulate in the center of the vortex.
  • this preferably has a funnel-shaped gas collecting device in the top region, which is connected to a fifth connection in order to catch the gases separated from the water in the reaction tank and to discharge them accordingly.
  • the preferred developments of the solution according to the invention described above relate to measures with which the bacterial and in particular Legionella growth in the drinking water can be reduced via a purely mechanical treatment of the drinking water.
  • an effective degassing and hydrocarbon reduction can be effected.
  • the increased surface tensions in the drinking water to be treated caused by the cavitator device also mean that biofilms can no longer build up in the piping system, and degradation of existing biofilms can be effected.
  • the circulation system of the hot water treatment system and / or the cold water treatment system when the water treatment system according to the invention is equipped with such a cold water treatment system, further comprising an oxidation stage with a metering device for the controlled metered addition of an oxidant in the water flowing in the circulation system.
  • the Kavitator worn the hot water treatment system or cold water treatment system performs the function of the metering device of the oxidation stage for controlled admixing of the oxidant in the water flowing in the circulation system.
  • the Kavitator worn is designed so that it comes in addition to the pure generation of gas cavitation in the water to be treated in the admixture or addition of oxidants used.
  • other devices such as metering pumps, injectors, etc. for metering.
  • ozone is used as the oxidizing agent
  • the reactor system of the hot water treatment system or cold water treatment system further comprises an ozone destruction device, through which the in the reaction tank separated gaseous components are performed in order to split the originally supplied and then split off again ozone into innocuous or harmless oxygen molecules.
  • the hot or cold water treatment system furthermore has an ozone monitoring device in order to determine the ozone content in the water discharged from the reactor system.
  • an oxidizing agent is added to the water to be treated, which then with the separation of the gaseous components again from the Water is removed.
  • a water treatment system having a hot water storage and at least two circulation circuits, each connected to the hot water storage, of which a first circulation circuit has one or more water supply points and a second circulation circuit at least one cavitation device, wherein the second circulation circuit is connected in the flow of Kavitator worn with a cold water supply.
  • An advantage of the invention is that the hot water tank is not only used as a volume storage for peak load coverage due to its large volume, but also serves as a reaction vessel.
  • both circulation circuits are connected to the hot water tank, wherein the second circulation circuit has at least one Kavitator worn and is connected in the flow of Kavitator worn with the cold water supply.
  • the invention advantageously both the cold water, which is heated before use and then flows to the consumer, and the circulation water are treated by the Kavitations worn.
  • the invention achieves an excellent hydrothermal Legionella treatment which can be used as a substitute for the conventional Legionella treatment in which heating of the hot water storage tank to 70 ° C is performed several times a day or several times a week as required.
  • the energy is not introduced by heat from the outside into the system, but by the Kavitator adopted in which the supplied cold water undergoes a targeted or directed cavitation.
  • the water cavitates, causing local extremely high temperatures and pressure fluctuations (temperatures up to 10,000 ° C, pressure fluctuations up to 1000 bar), so that Legionella bacteria are destroyed.
  • degassing is carried out, for example, in the hot water tank, which may have a degassing device for this purpose. By degassing, the water chills change, so that the water is low in nutrients and the Legionella die off due to lack of food in the dead lines.
  • the enormous energy input also changes the molecular structure of the water, which leads to increased capillary action and rinses out and destroys existing biofilms. Due to the high selective energy direct entry into the water, the bacterial cell walls (cell membranes of the microorganisms) are also torn, so that the germs in the water are reduced. The altered capillary action causes the water to penetrate deeper into the encrustations on the conduit walls and flushes out the biofilm.
  • the second circulation circuit in the flow of Kavitator founded with a supply for one or more additives, in particular an oxidizing agent and / or nitrogen.
  • the cavitator thus also serves as an oxidizing aid, since radicals in the water are generated by the high implusion effect in the cavitator device, which support the degermination process.
  • the supply of oxidizing agent and / or nitrogen allows a comparatively simple and very effective disinfection by metering ozone. The following homogenization in the Kavitator drove a nearly complete memory cleaning and excellent circulation disinfection is ensured.
  • Another advantage of the invention is that a multiple treatment of the circulation water and an even more frequent treatment of the cold water is made possible.
  • the hot water tank on a venting device, whereby a maximum degassing of the process water and repeated Legionellenprophylaxe is achieved.
  • the cold water supply can not be connected in a circulating manner to the cold water supply line of a water withdrawal point, the cold water supply line having a flushing line which can be opened and closed by an automatically actuable shut-off element.
  • a flushing line which can be opened and closed by an automatically actuable shut-off element.
  • automatically assigned shut-off device ensures that stagnation of cold water in the area of the water tap is avoided.
  • the cold water is heated by prolonged stagnation by the room heat, so there is a risk of Legionella formation. This danger is avoided in this embodiment in that the cold water supply can be automatically rinsed, so that an increase of Legionella is reliably avoided.
  • the flushing line can be connected to an outlet of the water extraction point.
  • the flushing line with the trap (siphon) or with the shower cup connected to a shower, so that an easy disposal of stagnant cold water from the cold water supply is possible.
  • Fig. 1 shows a schematic representation of the water treatment system 100 according to the invention according to the first embodiment.
  • the water treatment system 100 has a arranged in a circulation circuit of a hot water system hot water treatment system A.
  • the hot water system has a hot water boiler 14 with a preferably electric heater 15 and a circulation circuit in which the water heated in the hot water boiler 14 circulates.
  • the circulation circuit of the hot water system further comprises at least one extraction point 21, which forms an interface of the hot water system to a not explicitly shown end user (shower, faucet, etc.).
  • the hot water system or the hot water boiler 14 of the hot water system is further connected to a water meter 1 and a pressure reducer 2 having cold water supply line. If necessary, cold water is supplied to the circulation circuit of the hot water system via this cold water supply line, for example, when hot water is tapped from the circulation circuit via the at least one removal point 21 by the end user.
  • a temperature sensor 23.1 and 23.2 is provided in each case, which serve to detect the temperature of the water flowing in the circulation circuit.
  • the corresponding measured values of the sensors 23.1 and 23.2 are transmitted to a controller 5, which controls the operation of the hot water system and the hot water preparation system A.
  • the controller 5 regulates the heater 15 of the hot water boiler 14 such that the difference between the temperature values detected with the respective temperature sensors 23.1 and 23.2 is not greater than 3 ° C., wherein the output temperature detected by the sensor 23.1 at the outlet of the hot water boiler 14 is at least 60 ° C should be.
  • the hot water treatment system A comprises for bacterial and Legionella treatment of flowing in the circulation circuit of the hot water system hot water, a mechanical treatment stage, which consists essentially of a reactor system R with a reaction tank 4 and a circulation system Z with a Kavitator Anlagen 9 composed.
  • a mechanical treatment stage which consists essentially of a reactor system R with a reaction tank 4 and a circulation system Z with a Kavitator Anlagen 9 composed.
  • the reaction tank 4 of the reactor system R at least part of the hot water flowing in the circulation circuit of the hot water system is passed.
  • the reaction tank 4 has a first connection 4.1, which can be connected to the circulation circuit of the hot water system via a shut-off valve 3, via which at least part of the water flowing in the circulation circuit is supplied to the reaction tank 4.
  • the circulation system Z of the hot water treatment system A has a connectable to the reaction tank 4 via a second port 4.2 and other shut-off valves 3 supply line system, connected to the reaction tank 4 via a third connection return line system and arranged between the flow and return line cavitation 9, at least a portion of the in the Reaction tank 4 conducted water of Kavitator Nur 9 supplied via the supply line system and is returned to the reaction tank 4 after passing through the Kavitator Vietnamese 9 via the return line system.
  • the Kavitator overlooked 9 provided in the circulation system Z is designed in terms of flow mechanics such that, if required, gas cavitation is caused in the water flowing through the cavitating device 9 in a controlled manner, the gas cavitation area advantageously remaining in the center of the flow cross section in order to increase the mechanical resistance To avoid stresses on Kavitator issued 9 and the return line system.
  • the cavitation device is designed to vary the pressure in the water flowing through the cavitation device between about 0.9 bar (vacuum) and about 6 bar (overpressure), so that via the relaxation and cavitation degassing of the water is caused leads to a reduction of hydrocarbons in the water to be treated.
  • a controllable with the controller 5 is provided with which the Kavitator worn 9, the water from the reaction tank 4 is supplied.
  • the in Fig. 1 illustrated embodiment to the effect that in addition to the degassing of the circulation water, a comparison of the circulation water temperature by Temperature or pressure occurs.
  • a pressure sensor 22.1 is arranged in the inlet to the reactor system R or to the reaction tank 4.
  • Further pressure sensors 22.2 and 22.3 are arranged in the circulation system Z of the hot water treatment system A, in the supply line system upstream of the Kavitator dressed 9 and in the return line system downstream of the Kavitator worn 9.
  • the pressure sensors are in the FIGS. 1 to 4 also generally designated by the reference numeral "P".
  • the corresponding measured values of the pressure sensors 22.1 to 22.3 are transferred in an advantageous manner to the controller 5 which, depending on the circulation water temperature detected by the temperature sensors 23.1 and 23.2, correspondingly controls the pumps 8.1 to 8.3 provided in the hot water treatment system A in order to effect a circulation water temperature adjustment.
  • the aforementioned pumps 8.1 to 8.3 are the first pump 8.1 provided in the circulation system Z upstream of the cavitator device 9, the second pump 8.2 provided downstream of the cavitator device 9 in the circulation system Z and the third pump 8.3 provided at the outlet of the hot water preparation system A.
  • the number and arrangement of the pumps 8.1 to 8.3 in the hot water treatment system A or in the circulation of the hot water system can also be different from the in Fig. 1 be shown.
  • the circulation water temperature adjustment is achieved that the temperature difference between the water temperature at the outlet of the hot water boiler 14 and the last extraction point 21 is less than (or equal to) 3 ° C, so as to meet the prescribed requirements for the establishment and operation of drinking water heating and drinking water pipe systems (See the regulations set out in DVGW Worksheet W 551).
  • the degassing performance of the reactor system R and the circulation system Z which in the embodiment according to Fig. 1 is effected with a corresponding control of provided in the hot water treatment system A pumps 8.1 to 8.3, controlled by monitoring the dissolved oxygen in the treated hot water.
  • This is at the output of the hot water treatment system A an oxygen sensor 20 is provided, which communicates with the controller 5 in data communication.
  • Fig. 2 shows a schematic view of a second preferred embodiment of the inventive water treatment system 100.
  • the water treatment system 100 of the second embodiment a hot water treatment system A according to Fig. 1 on.
  • a cold water treatment system B is provided, which is arranged in a cold water inlet to the hot water system or to the hot water boiler 14.
  • the cold water treatment system B in the in Fig. 2 shown water treatment system 100 comprises a reactor system R with a reaction tank 4, in which at least a portion of the hot water system via the cold water inlet supplied cold water is passed, and a circulation system Z, which can be connected to the reaction tank 4 feed line system, connectable to the reaction tank 4 return line system and a arranged between the flow and return line system Kavitator inconvenience 9, wherein at least a portion of the guided into the reaction tank 4 water of the Kavitator Vietnamese 9 supplied via the supply line system and returned to the reaction tank 4 after passing through the Kavitator styles 9 via the return line system.
  • the reactor system R and the circulation system Z of the cold water treatment system B substantially correspond to the reactor system R and Z circulation system Z of the hot water treatment system A, the same reference numerals are used for the same components of the hot and cold water treatment system A, B. Furthermore, in order to avoid repetition, a detailed description of the components provided in the cold water treatment system B is dispensed with.
  • Fig. 3 shows a third preferred embodiment of the water treatment system 100 according to the invention, which differs from the in Fig. 2 shown embodiment differs in that for bacterial and Legionellenbeklampfung in the hot water system or the hot water boiler 14 supplied cold water next to the mechanical processing stage of the other a chemical treatment stage is provided.
  • the chemical treatment stage of the cold water processing system B according to Fig. 3 for this purpose has an oxidation state OX, via which the water flowing in the circulation system Z of the cold water treatment system B ozone is metered in a controlled manner.
  • the oxidation stage OX has a device 5 which can be controlled by the controller 5 for producing ozone 11 to 13 and a metering device 9, 10 for the controlled metered addition of the ozone used as the oxidizing agent.
  • the device for generating ozone 11 to 13 in this case comprises an air filter 13, is filtered over the sucked or supplied ambient air, an ozone generator 12 for generating ozone-enriched air from the filtered ambient air and a flow meter 11 with micro-switch.
  • metering pumps, injectors, etc. can basically be used as metering devices
  • Fig. 3 embodiment shown preferred that the function of the metering device is taken over by the Kavitator worn 9 of the cold water treatment system B, wherein an input of the Kavitator Huawei 9 is connected via a check valve 10 to the output of the device for generating ozone 11 to 13.
  • the oxidant ozone in the circulation system Z of the cold water treatment system B added to the treated cold water.
  • the cold water to be treated is recycled via the return line system of the circulation system Z to the reaction tank 4, where a degassing takes place.
  • the separated in the reaction tank 4 gaseous components are collected by the provided in the reaction tank 4 funnel-shaped gas collecting device and fed via the fifth output 4.5 an ozone killer 7, in which the ozone contained in the discharged gas is neutralized or chemically converted into oxygen molecules, etc.
  • This in Fig. 3 correspondingly mechanically and chemically treated cold water, which is to be supplied via the fourth port 4.4 of the reaction tank 4 and a corresponding piping to the hot water system or the hot water boiler 14 of the hot water system, initially passes through another ozone killer 19, which is provided in the piping system, which connects the fourth port 4.4 of the reaction tank 4 with the hot water boiler 14 of the hot water system.
  • the ozone killer 19 may for example comprise an activated carbon filter, through which the treated cold water is passed, and which serves as a catalyst for the chemical neutralization of any ozone still present in the treated cold water.
  • an ozone sensor 24, which is connected to the controller 5, is provided upstream of the ozone destroyer 19.
  • the ozone killer 19 can be switched on in order to ensure that the cold water ultimately supplied to the hot water boiler 14 no longer has dissolved ozone.
  • Fig. 4 shows a fourth preferred embodiment of the water treatment system 100 according to the invention
  • Fig. 4 embodiment shown substantially corresponds to in Fig. 3 shown embodiment, with the exception that in the in Fig. 4 shown system in the hot water treatment system A further provided a chemical treatment stage.
  • This chemical treatment stage comprises an ozone generator system 11 to 13, an ozone metering device in the form of the cavitator 9 and a total of two ozone killers 7, 19 whose operation is substantially identical to the operation of the corresponding components of the cold water treatment system B.
  • Fig. 5a shows in a longitudinal sectional view of the reaction tank 4 of the reactor system R for the hot water treatment system A and the cold water treatment system B according to the preferred embodiments of the present invention.
  • Fig. 5b shows one at the in Fig. 5a taken line AA shown cross-sectional view of in Fig. 5a shown reaction tank 4.
  • the reaction tank 4 has a first connection 4.1, which can be connected to the circulation circuit of the hot water system or to the cold water supply, in order to supply at least part of the water flowing in the circulation circuit or the cold water to be supplied to the hot water system to the reaction tank 4. Furthermore, a connectable to the supply line system of the circulation system second port 4.2 is provided to the in Fig. 5 not explicitly shown Kavitator Ran 9 supply the guided into the reaction tank 4 water. In order subsequently to recirculate the water conducted through the cavitator device 9 back to the reaction tank 4, a third connection 4.3, which can be connected to the return line system of the circulation system Z, is also provided on the reaction tank 4. In Fig.
  • a connectable to the circulation circuit of the hot water system or with the cold water inlet fourth port 4.4 is provided to supply the generated in the reactor system R and circulation system Z, in particular oxygen and low-CO 2 water to the circulation circuit or the hot water system.
  • a funnel-shaped gas collecting means is provided, which is connected to a fifth port 4.5 to trap the gases deposited in the reaction tank 4 from the water and remove.
  • reaction chamber has a uniform diameter over its length, it is also conceivable to choose, for example, a heart-shaped arrangement of the reaction chamber.
  • operation of the reaction chamber is on the publication of the EP 1 294 474 A1 directed.
  • the provided in the cold water inlet water meter 1 is used for consumption billing when the cold water inlet is connected to the local water supply of a municipal water supplier, for example.
  • the following pressure reducer 2 serves to adjust the internal fluid pressure at the interface.
  • a provided shut-off valves 3 are standard products, which serve in particular with regard to the maintenance of the individual components of the cold water treatment system B or hot water treatment system A.
  • the reaction tank 4 of the hot water treatment system A and the cold water treatment system B has the task on the one hand to ensure contact and mixing between the treated drinking water and the optionally metered oxidizing agents (if a chemical treatment stage is provided), and on the other hand, the residence time for the sequence of required for water treatment to ensure chemical, chemical-physical or purely physical processes.
  • the reaction tank 4 thus takes on two tasks, namely on the one hand to provide a degassing, while on the other hand, the optionally introduced oxidizing agent is mixed as well as possible with the drinking water to be treated. In pure mixing operations but also in Ausgasungsvorêtn a computational residence time of 3 to 5 minutes in the reaction tank 4 is sufficient. Depending on the application, residence times of up to 20 minutes may be required for the course of chemical and / or chemical-physical processes.
  • the reaction tank 4 can be driven both in DC operation and in countercurrent operation. It is essential that there is a high separation of gaseous ingredients, if so provided and desired.
  • the deposition of the gaseous constituents in the reactor system R or reaction tank 4 is ensured by an adequately formed funnel in the reaction tank 4.
  • the inlet openings (third connections 4.3) are made tangential to the reaction tank 4 behind the cavitating device 9, so that a flow funnel is formed inside the reaction tank 4, which also has a positive influence on the degassing caused in the reaction tank 4, wherein in the center the flow funnel is formed reinforced blistering.
  • the residence time of the water in the reaction tank 4 is adjusted by the tank size; On the other hand, it would also be conceivable that by introducing appropriate "beds", which, for example, plastic or mineral Materials can be constructed, the contact time is set or extended accordingly.
  • the reaction tank 4 has at the uppermost point a vent 6, so that the gas produced by the high pressure and cavitation bubbles in the reaction tank 4 can escape from the water to be treated. If a chemical treatment stage is provided, this vent 6 serves to ensure that the ozonated air introduced with the cavitator device 9 can escape again.
  • ozone compounds Since, for health reasons, ozone compounds must not remain in the treated drinking water, and furthermore, since the ozone-containing air discharged from the reaction tank 4 can not easily be released to the outside air, it is important that the ozone, which may be contained in the exhaust air , to destroy. This can be done by heating the exhaust air with an air heater or for example by filtering the exhaust air using a biofilter or activated carbon filter.
  • the oxidation state OX consists of the unit for metered addition of oxidant 9, 10, the reaction stage 4 and the plant parts 7, 19, which ensure sustainable destruction of the oxidizing agent, if necessary.
  • ozone can be used advantageously as the oxidizing agent, the advantages of ozone being high aggressiveness and thus high reaction rates.
  • a disadvantage is the attack on many materials, which has the consequence that more corrosion phenomena occur, but also the possible negative effects when ozone-containing water is drunk by people or comes into contact with them. Therefore, after treating the drinking water with ozone, it is necessary to ensure that ozone is no longer in the water.
  • the ozone addition should be for a pure disinfection at 0.5 mg ozone per liter of water.
  • concentrations may be approximately 1 to 2 mg of ozone per milligram of dissolved carbon in the water.
  • the ozone is generated by UV lamps or corresponding discharge lamps.
  • the metered addition of the oxidizing agent can be carried out via appropriate devices such as metering pumps, injectors, etc.
  • the cavitating device 9 is used for this, since the advantages of the variable conditions, such as pressure and velocity conditions, up to cavitation should be used.
  • the amount of ozone addition depends on the raw water quality and the required amount of hot water. Before the water in the hot water treatment system A continues to flow in the boiler 14 for the preparation of hot water, the residual ozone destruction is ensured by an activated carbon filter. This is followed by ozone monitoring (ozone sensor 24) to ensure that no ozone enters the water heater.
  • the metered addition of ozone is regulated by law or an overdose can lead to unwanted metal oxidation. For the ozone concentration, a quantity-dependent, time-controlled or ozone-dependent control is conceivable.
  • first embodiment of the solution according to the invention results in the monitoring of dissolved in the processed drinking water oxygen a way to minimize the operating times.
  • the direct display and utilization of the dissolved oxygen content and the associated milieu of the survival space of the bacteria or Legionella is controlled in this way and deliberately kept poor.
  • the outgassing is the higher, the more temperature has taken from the circulation circuit of the hot water system water.
  • the temperature can also be lowered to about 50 ° C, which has the advantage that at these temperatures, the risk of loss of carbonate hardness and operating costs are reduced.
  • FIG. 6 Another example is in FIG. 6 shown.
  • This in FIG. 6 shown water treatment system is characterized in principle by a combined arrangement for the treatment of cold water, which is used for feeding into a hot water circuit, and the hot water circulation circuit itself.
  • the essential components of the system according to FIG. 6 are the hot water tank 10 ', which is connected to at least two circulation circuits 11', 12 'and the Kavitator Anlagen 14'.
  • the first circulation circuit 11 ' is designed as a hot water circuit.
  • the second circulation circuit 12 ' is designed as a cold water circuit.
  • Both circuits 11 ', 12' are connected to the hot water tank 10 '.
  • the flow of the hot water circuit with an upper portion of the hot water tank 10 ' is connected (first circulation circuit 11').
  • a first pump 25' in particular an FU-controlled (frequency converter-controlled) pump is arranged.
  • FU-controlled (frequency converter-controlled) pump is arranged in the flow and return of the pump 25 'each shut-off valves are provided.
  • the pump is followed by an ozone meter and a temperature sensor.
  • the first circulation circuit 11 'or the hot water circuit has a plurality of water extraction points 13', which are also connected to a temperature sensor 27'b.
  • the return line of the first circulation circuit 11 is connected to the lower portion of the hot water tank 10 '.
  • the hot water tank 10 ' has a trained in conventional form thermal energy supply in the form of a heat exchanger 28'.
  • the second circulation circuit 12 ' is designed as a cold water circuit and includes a branched line 30'a, which is connected to the cold water supply line 20' another water outlet 21 '. This is not a circulation cycle, but a stagnation line, which will be discussed in more detail below.
  • the second circulation circuit 12 ' ie the cold water circuit is also connected to the hot water tank 10', wherein a flow of the second circulation circuit 12 'with an upper portion of the memory 10' and a return of the second circulation circuit 12 'with a lower portion of the hot water tank 10' are connected. Both in the forward and in the return of the cold water circulation circuit 12 ', two pumps 18', 19 'are provided.
  • the cavitator device 14 ' is arranged in the cold water circulation circuit 12'.
  • a supply 16' provided for one or more additives, in particular an oxidizing agent and / or nitrogen, such that in the second circulation circuit 12 'fed additives in the Kavitator boots 14' are homogeneously distributed.
  • the second cold water circulation circuit 12 ' forms a closed circuit together with the hot water tank 10'.
  • the two pumps 18 ', 19' are each associated with bypasses 30'b, 30'c, which can be connected via a shut-off element 31 '. Further shut-off valves 32 'are respectively arranged in front of and behind the two pumps 18', 19 '.
  • the two pumps 18 ', 19' are each associated with pressure sensors 27'c.
  • FIG. 6 shown sensors 26 ', 27'a, 27'b, 27'c are connected to a central control unit 33'. The same applies to the FU-controlled pumps 18, 19 and the pressure sensor 27c. As in FIG. 6 to recognize the hot water tank 10 'a degassing 17', which is located in the upper region of the hot water tank 10 '.
  • the already mentioned branch line 30'a is connected to the cold water supply line 20 'of a water removal point 21' and indeed connected non-circulating.
  • the cold water supply line 20 ' has a purge line 22', which can be opened and closed by an automatically operable obturator 23 '.
  • the purge line 22 ' is connected to the drain 24' of the water outlet 21 '.
  • the automatically actuatable obturator 23 ' may comprise, for example, a time-controlled solenoid valve which empties or purges the cold water supply line 20' at predetermined time intervals by opening and closing the purge line 22 '.
  • the drain for the purge line 22 ' can open into the siphon or odor trap of a sink or simply into the free flow of a shower or bath.
  • the cold water which flows into the hot water tank 10 'for hot water treatment, passes through the cavitation treatment unit (Bals Liquid System TM Legio) several times until it comes out of the hot water tank 10'. This sterilizes the water and removes nutrients.
  • the core of the treatment unit or of the sterilization system is the cavitation device 14 'or the cavitation reactor, which is also referred to as a nanothermic treatment unit.
  • the supplied cold water undergoes directional cavitation, whereby the water kavitiert and local extreme conditions prevail, ie temperatures up to 10,000 ° C and pressure fluctuations up to 1000 bar.
  • This process also referred to as the nanothermic process, leads to implosion temperatures of up to 10,000 ° C and vacuum zones of up to 1,000 bar due to the selective introduction of energy direct into the water and the associated directed cavitation.
  • bacterial cell walls, ie cell membranes of microorganisms are torn and there is a microbial reduction in the water.
  • Kavitator Sharing 14 ' is additionally the degassing through the degassing 17' of the hot water tank 10 '.
  • the Kavitator acquired 14 ' also serves as an oxidation aid, since radicals are generated in the water by the high implosion effect, which support the degermination process.
  • the cavitator device 14 ' is also used to perform a simple and effective disinfection by metering ozone.
  • the treatment of the hot water circulation circuit 11 ' takes place in the same way, since the first circulating circuit 11' also flows into the hot water tank 10 '.
  • This has the advantages of having two problem areas in a common unit, i. the hot water tank 10 'and the Kavitator adopted 14' treated and effectively freed from Legionella and other biological stress.
  • the Legionellenprobleme in cold water associated with the warm-up at long stagnation times are reduced or eliminated by the timed purging, via the central control unit 33 '.
  • the advantages of the system according to the invention can be seen in, among other things, a safe function and control of the system.
  • the treatment works without chemical additives and without irradiation, wherein it can not be ruled out that additives are added to reinforce the already strong disinfection effect by the cavitator device 14 '. Through the system, there is no inadmissible change of drinking water.
  • the process or the system are suitable for each pipe material.
  • the System is easy to install without major construction effort and allows easy operation.
  • the existing circulation pump can be omitted.
  • the system according to the invention also allows easy retrofitting of existing systems and comes with a low operating temperature (55 ° C storage temperature). Due to the low operating costs and the high energy savings, since no more thermal treatment is required, the system works very efficiently.
  • the system also requires little service and maintenance, so that personnel resources can be saved. If necessary, a simple disinfection can be carried out by integrating an ozone connection.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Physical Water Treatments (AREA)

Claims (4)

  1. Système de traitement de l'eau (100), en particulier pour l'élimination des légionelles dans l'eau potable, ledit système de traitement de l'eau (100) comprenant un système de traitement d'eau chaude (A) disposé dans un circuit de circulation d'un système d'eau chaude, ledit système de traitement d'eau chaude (A) comportant :
    - un système de réacteur (R) avec un réservoir de réaction (4), vers lequel est conduite au moins une partie de l'eau s'écoulant dans le circuit de circulation ; et
    - un système de circulation (Z), comportant un système de conduite d'amenée reliable au réservoir de réaction (4), un système de conduite de retour relié au réservoir de réaction (4) et un dispositif cavitateur (9) disposé entre le système de conduite d'amenée et le système de conduite de retour, au moins une partie de l'eau conduite vers le réservoir de réaction (4) étant amenée vers le dispositif cavitateur (9) par le système de conduite d'amenée et renvoyée au réservoir de réaction (4) par le système de conduite de retour après avoir traversé le dispositif cavitateur (9),
    le dispositif cavitateur (9) du système de traitement d'eau chaude (A) étant prévu pour produire une cavitation gazeuse de manière régulée dans l'eau amenée par le système de conduite d'amenée, et
    le réservoir de réaction (4) du système de traitement d'eau chaude (A) étant prévu pour dégazer l'eau amenée du dispositif cavitateur (9) par le système de conduite de retour, de telle manière que la partie de l'eau s'écoulant dans le circuit de circulation conduite par le système de réacteur (R) soit ensuite reconduite vers le circuit de circulation du système d'eau chaude.
  2. Système de traitement de l'eau (100) selon la revendication 1, comprenant en outre un système de traitement d'eau froide (B) disposé dans une amenée d'eau froide du système d'eau chaude, ledit système de traitement d'eau froide (B) comprenant les éléments suivants :
    - un système de réacteur (R) avec un réservoir de réaction (4), vers lequel est conduite au moins une partie de l'eau froide à amener au système d'eau chaude par l'amenée d'eau froide ; et
    - un système de circulation (Z), comportant un système de conduite d'amenée reliable au réservoir de réaction (4), un système de conduite de retour relié au réservoir de réaction (4) et un dispositif cavitateur (9) disposé entre le système de conduite d'amenée et le système de conduite de retour, au moins une partie de l'eau conduite vers le réservoir de réaction (4) étant amenée vers le dispositif cavitateur (9) par le système de conduite d'amenée et renvoyée au réservoir de réaction (4) par le système de conduite de retour après avoir traversé le dispositif cavitateur (9).
  3. Système de traitement de l'eau (100) selon la revendication 1 ou 2, dans lequel le dispositif cavitateur (9) du système de traitement d'eau chaude (A) et/ou du système de traitement d'eau froide (B) est prévu pour générer des variations de pression préférentiellement comprises entre 0,9 et 6 bar dans l'eau amenée par le système de conduite d'amenée.
  4. Système de traitement de l'eau (100) selon au moins une des revendications 1 à 3, dans lequel le système de circulation (Z) du système de traitement d'eau chaude (A) et/ou du système de traitement d'eau froide (B) comporte une première pompe (8.1) pouvant être commandée dans le système de conduite d'amenée et en outre, préférentiellement, une deuxième pompe (8.2) pouvant être commandée dans le système de conduite de retour.
EP07818109.6A 2006-09-26 2007-09-11 Système de traitement de l'eau Active EP2078174B8 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200610045773 DE102006045773A1 (de) 2006-09-26 2006-09-26 Wasseraufbereitungssystem
PCT/EP2007/007915 WO2008037351A2 (fr) 2006-09-26 2007-09-11 Système de traitement de l'eau

Publications (3)

Publication Number Publication Date
EP2078174A2 EP2078174A2 (fr) 2009-07-15
EP2078174B1 true EP2078174B1 (fr) 2013-02-13
EP2078174B8 EP2078174B8 (fr) 2013-09-11

Family

ID=38993110

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07818109.6A Active EP2078174B8 (fr) 2006-09-26 2007-09-11 Système de traitement de l'eau

Country Status (3)

Country Link
EP (1) EP2078174B8 (fr)
DE (1) DE102006045773A1 (fr)
WO (1) WO2008037351A2 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1395739B1 (it) * 2009-08-05 2012-10-19 Eurodelta S R L Impianto di disinfezione per utenze e reti idriche.
DE202009011570U1 (de) 2009-08-26 2011-01-13 Koch, Peter Wasseraufbereitungssystem
DE102012219966A1 (de) * 2012-10-31 2014-04-30 Krones Ag Bereitstellen entgasten Wassers
AT14968U1 (de) * 2015-01-27 2016-09-15 Luca Genoveva Daniela Wasseraufbereitungssystem
EP3824994A1 (fr) 2019-11-19 2021-05-26 LegionellEX UG (haftungsbeschränkt) Dispositif de traitement d'un liquide
CN114230066A (zh) * 2021-12-29 2022-03-25 宁夏上泽龙水利水电工程有限公司 一种农村饮用水消毒方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5460702A (en) * 1994-03-30 1995-10-24 Nogsys Technology, Inc. Apparatus and method for the purification of water
DE19534736A1 (de) * 1995-09-19 1997-03-20 Harry Prof Dr Med Rosin Vorrichtung zur Abtötung von Legionellen und anderen Mikroorganismen in Kalt- und Warmwasser-Systemen
US6200486B1 (en) * 1999-04-02 2001-03-13 Dynaflow, Inc. Fluid jet cavitation method and system for efficient decontamination of liquids
US6221260B1 (en) * 1999-04-02 2001-04-24 Dynaflow, Inc. Swirling fluid jet cavitation method and system for efficient decontamination of liquids
NL1014612C2 (nl) * 2000-03-10 2001-09-13 Leonardus Wouter Koot Opslagvatsamenstel voor warm water.
WO2001087473A1 (fr) 2000-05-14 2001-11-22 Lehmann Joerg Procede et dispositif de traitement physicochimique de milieux fluides
JP3502363B2 (ja) * 2001-05-31 2004-03-02 ジェイイーシー株式会社 廃水処理方法と廃水処理装置
US20030111429A1 (en) * 2001-12-14 2003-06-19 Montalvao Antonio Filipe Falcao Cavitation method and apparatus for deaeration
FR2864530B1 (fr) * 2003-12-29 2006-02-17 Logeltech Sarl Procede et dispositif anti-legionellose dans les reseaux d'eau chaude sanitaire
DE102004045915A1 (de) * 2004-09-20 2006-03-30 Schmid, Andreas, Dr.-Ing. M.Sc. Verfahren und Vorrichtung zur Desinfektion von Wasser

Also Published As

Publication number Publication date
EP2078174B8 (fr) 2013-09-11
WO2008037351A3 (fr) 2008-09-04
EP2078174A2 (fr) 2009-07-15
WO2008037351A2 (fr) 2008-04-03
DE102006045773A1 (de) 2008-04-03

Similar Documents

Publication Publication Date Title
EP2078174B1 (fr) Système de traitement de l'eau
EP2689790A1 (fr) Installation RO et procédé destiné à désinfecter les conduites de l'installation RO
DE102012004835A1 (de) Entkeimung von Flüssigkeiten mittels Ultraschall, Vorrichtung, Verfahren und Verwendung
EP3645467A1 (fr) Installation et procédé d'un traitement de l'eau
EP2470836B1 (fr) Système de traitement de l'eau
DE10016365B4 (de) Verfahren zur Trinkwasseraufbereitung
EP0996593A1 (fr) Procede d'elimination de la biomasse dans un liquide a l'aide d'un reacteur
DE102004027574B4 (de) Verfahren und Vorrichtung zur Aufbereitung von Badewasser
EP3774667B1 (fr) Dispositif et méthode pour la préparation de l'eau potable
DE202005019293U1 (de) Vorrichtung zur Abtrennung partikulärer und echt gelöster Substanzen aus Flüssigkeiten
EP2055680B1 (fr) Installation destinée au nettoyage d'eau
EP1558531A1 (fr) Procede et reacteur pour l'adoucissement d'eau et l'elimination simultanee de substances polluantes
DE10030984A1 (de) Verfahren und Vorrichtung zum Reinigen von Abwasser und Aufbereiten desselben zu Trinkwasser
AT519319B1 (de) Aufbereitung von Abwasser zu Trinkwasser mittels Ozon
EP2464447A1 (fr) Dispositif d'introduction de gaz dans des liquides
DE102009026377A1 (de) Anlage zur Desinfektion und Sanitisierung
WO2019025531A1 (fr) Système de récupération de la chaleur des eaux grises
DE102004045915A1 (de) Verfahren und Vorrichtung zur Desinfektion von Wasser
WO2016058015A1 (fr) Dispositif transportable pour purifier l'eau sur plusieurs étages
DE102011012137B4 (de) Verfahren und Vorrichtung zur Aufbereitung von Badewasser
EP1547977B1 (fr) Procédé pour le traitement d'eaux usées
DE102009051489A1 (de) Verfahren zum Betrieb eines Wasseraufbereitungssystems sowie zur Durchführung des Verfahrens geeignetes Wasseraufbereitungssystem
AT520155B1 (de) Wasseraufbereitungssystem
EP3250515B1 (fr) Système de traitement de l'eau
DE10356681B4 (de) Vorrichtung zur Aufbereitung von Grundwasser zu Trinkwasser und Verfahren zu deren Verwendung

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20090427

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

DAX Request for extension of the european patent (deleted)
17Q First examination report despatched

Effective date: 20111206

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 596706

Country of ref document: AT

Kind code of ref document: T

Effective date: 20130215

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 502007011303

Country of ref document: DE

Effective date: 20130411

REG Reference to a national code

Ref country code: NL

Ref legal event code: VDEP

Effective date: 20130213

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130613

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130213

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130513

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130213

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130524

RIN2 Information on inventor provided after grant (corrected)

Inventor name: STEINKELLNER, MAXIMILIAN

Inventor name: TALLIAN, CHRISTOF

Inventor name: KOCH, PETER

Inventor name: SCHUCH, GERHARD

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130213

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130514

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130213

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130213

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130213

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130613

RIN2 Information on inventor provided after grant (corrected)

Inventor name: STEINKELLNER, MAXIMILIAN

Inventor name: KOCH, PETER

Inventor name: TALLIAN, CHRISTOF

Inventor name: SCHUCH, GERHARD

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130213

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130213

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130213

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130213

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130213

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130213

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: LU

Payment date: 20130926

Year of fee payment: 7

Ref country code: CH

Payment date: 20130930

Year of fee payment: 7

Ref country code: MC

Payment date: 20130930

Year of fee payment: 7

PLBI Opposition filed

Free format text: ORIGINAL CODE: 0009260

RIN2 Information on inventor provided after grant (corrected)

Inventor name: STEINKELLNER, MAXIMILIAN

Inventor name: SCHUCH, GERHARD

Inventor name: KOCH, PETER

Inventor name: TALLIAN, CHRISTOF

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20130930

Year of fee payment: 7

26 Opposition filed

Opponent name: STOETTER, GERD

Effective date: 20131112

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130213

PLAX Notice of opposition and request to file observation + time limit sent

Free format text: ORIGINAL CODE: EPIDOSNOBS2

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20130930

Year of fee payment: 7

Ref country code: BE

Payment date: 20131001

Year of fee payment: 7

REG Reference to a national code

Ref country code: DE

Ref legal event code: R026

Ref document number: 502007011303

Country of ref document: DE

Effective date: 20131112

PLAF Information modified related to communication of a notice of opposition and request to file observations + time limit

Free format text: ORIGINAL CODE: EPIDOSCOBS2

REG Reference to a national code

Ref country code: DE

Ref legal event code: R082

Ref document number: 502007011303

Country of ref document: DE

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

PLBB Reply of patent proprietor to notice(s) of opposition received

Free format text: ORIGINAL CODE: EPIDOSNOBS3

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130911

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20140911

Ref country code: MC

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20140930

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20140911

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20150529

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130213

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130213

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20140930

Ref country code: MT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130213

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20070911

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20140930

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20140911

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20140930

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20140930

PLCK Communication despatched that opposition was rejected

Free format text: ORIGINAL CODE: EPIDOSNREJ1

APBM Appeal reference recorded

Free format text: ORIGINAL CODE: EPIDOSNREFNO

APBP Date of receipt of notice of appeal recorded

Free format text: ORIGINAL CODE: EPIDOSNNOA2O

APAH Appeal reference modified

Free format text: ORIGINAL CODE: EPIDOSCREFNO

APBQ Date of receipt of statement of grounds of appeal recorded

Free format text: ORIGINAL CODE: EPIDOSNNOA3O

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: AT

Payment date: 20190719

Year of fee payment: 13

PLAB Opposition data, opponent's data or that of the opponent's representative modified

Free format text: ORIGINAL CODE: 0009299OPPO

REG Reference to a national code

Ref country code: DE

Ref legal event code: R100

Ref document number: 502007011303

Country of ref document: DE

APBU Appeal procedure closed

Free format text: ORIGINAL CODE: EPIDOSNNOA9O

PLBP Opposition withdrawn

Free format text: ORIGINAL CODE: 0009264

R26 Opposition filed (corrected)

Opponent name: STOETTER, GERD

Effective date: 20131112

PLBN Opposition rejected

Free format text: ORIGINAL CODE: 0009273

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: OPPOSITION REJECTED

27O Opposition rejected

Effective date: 20200305

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 596706

Country of ref document: AT

Kind code of ref document: T

Effective date: 20200911

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200911

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20230927

Year of fee payment: 17