EP2791512B1 - Wasserhebesystem und verfahren mit einem solchen system - Google Patents

Wasserhebesystem und verfahren mit einem solchen system Download PDF

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Publication number
EP2791512B1
EP2791512B1 EP12794267.0A EP12794267A EP2791512B1 EP 2791512 B1 EP2791512 B1 EP 2791512B1 EP 12794267 A EP12794267 A EP 12794267A EP 2791512 B1 EP2791512 B1 EP 2791512B1
Authority
EP
European Patent Office
Prior art keywords
pump
volume flow
line
water
opening
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
EP12794267.0A
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German (de)
English (en)
French (fr)
Other versions
EP2791512A1 (de
Inventor
Thomas Heng
Benedikt Freienstein
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.)
KSB SE and Co KGaA
Original Assignee
KSB SE and Co KGaA
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 KSB SE and Co KGaA filed Critical KSB SE and Co KGaA
Publication of EP2791512A1 publication Critical patent/EP2791512A1/de
Application granted granted Critical
Publication of EP2791512B1 publication Critical patent/EP2791512B1/de
Active legal-status Critical Current
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Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C29/00—Fire-fighting vessels or like floating structures
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/07—Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles
    • A62C3/10—Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles in ships
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C31/00—Delivery of fire-extinguishing material
    • A62C31/28—Accessories for delivery devices, e.g. supports
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D1/06—Multi-stage pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/04—Units comprising pumps and their driving means the pump being fluid driven
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/12—Combinations of two or more pumps
    • F04D13/14—Combinations of two or more pumps the pumps being all of centrifugal type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D9/00—Priming; Preventing vapour lock
    • F04D9/04—Priming; Preventing vapour lock using priming pumps; using booster pumps to prevent vapour-lock
    • 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
    • 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
    • Y10T137/8593—Systems
    • Y10T137/85978—With pump
    • Y10T137/86035—Combined with fluid receiver
    • Y10T137/86067—Fluid sump
    • 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
    • Y10T137/8593—Systems
    • Y10T137/85978—With pump
    • Y10T137/86131—Plural
    • Y10T137/86139—Serial
    • Y10T137/86147—With single motive input

Definitions

  • the invention relates to an offshore installation, such as oil and / or gas production platforms, or ships or the like with a water lifting system, in particular a fire extinguishing system, with a pump having a suction opening and an outflow opening, a pump turbine unit having a pump unit and a turbine unit, pump unit and turbine unit each have a suction or inlet opening and an outflow opening, and a line connecting the outflow opening of the pump unit of the pump turbine unit and the suction opening of the pump and carrying a volume flow, the volume flow comprising a first partial volume flow and a second partial volume flow, one of which the first partial volume flow line is connected to at least one water extraction point and a line carrying the second partial volume flow is connected to the inlet opening of the turbine unit of the pump-turbine unit, as well as a method with a such system.
  • the US 2,710,579 discloses a device for lifting liquids from boreholes and deep wells with a machine unit arranged therein, which comprises a turbine and a centrifugal pump arranged below and driven by the turbine.
  • the centrifugal pump is connected to a main pump, which supplies the turbine with part of the pumped liquid and a water withdrawal point with the other part.
  • the disadvantage here is that the system cannot be started up safely.
  • the US 4,786,239 discloses an offshore system with a drainage pump that can be driven in a hydraulic circuit via a hydraulic pump and a hydraulic motor.
  • the dewatering pump can be driven by a pump and a water motor, the outflow opening of the dewatering pump not being connected to the suction opening of the pump.
  • the object of the invention is to provide a reliable, space-saving, less expensive to assemble and at the same time with less losses water lifting system and a method for operating such a water lifting system.
  • the object is achieved in that a water supply accommodated in a container for starting the system is provided on the offshore installation, the line carrying the volume flow being connected to an inlet opening of the container, which increases the operational safety when starting the water lifting system.
  • the pump-turbine unit needs to be connected with only two lines that lead from the platform or from the ship into the sea.
  • a hydraulic circuit operated with a fluid, in particular hydraulic oil, for driving the pump-turbine assembly, a tank filled with the fluid and a cooling device with heat exchangers or the like for cooling the fluid can be dispensed with.
  • the turbine unit has an outflow opening which is connected to a water reservoir or opens into the water reservoir.
  • an outlet opening of the container is connected to the suction opening of the pump.
  • the line carrying the volume flow can be connected to the outlet opening of the container.
  • the outlet opening of the pump is expediently connected to the at least one water extraction point via the line carrying the first partial volume flow.
  • the line carrying the second partial volume flow is connected to the inlet opening of the turbine unit of the pump-turbine unit.
  • the outflow opening of the pump unit is connected to a suction opening of a further pump device, preferably a high-pressure pump.
  • a further advantageous embodiment is obtained when the outflow opening of the further pump is connected to the inlet opening of the turbine unit of the pump-turbine unit via the line carrying the second partial volume flow.
  • an electric motor is expediently attached to the pump turbine unit.
  • the object of the invention is further achieved in that in a method for operating the offshore installation with the water lifting system, a water supply for starting the system is accommodated in a container and the line carrying the volume flow is connected to an inlet opening of the container.
  • the Fig.1 schematically shows an offshore installation 1 in the embodiment of an oil and / or gas production platform with a pump 3, preferably a centrifugal pump, arranged on the offshore installation 1 and driven by a motor 2, and one having a pump unit 4 and a turbine unit 5 Pump turbine unit 6, which is located in the sea.
  • Pump unit 4 and turbine unit 5 can be designed as separate units or as units housed in a housing.
  • the pump unit 4 comprises, for example, a centrifugal pump designed as an underwater pump
  • the turbine unit 5 comprises an underwater pump operated as a turbine, preferably a multi-stage underwater pump or a multi-stage centrifugal pump.
  • the two components are preferably arranged on a shaft and / or coupled to one another via a gear.
  • the pump unit 4 has a suction opening, not shown in any more detail, which lies below sea level, preferably in an area with little swell.
  • An outflow opening of the pump unit 4 is connected to a suction opening of the pump 3 via a first line 7, preferably a pipe or a hose which carries a volume flow Q S.
  • a second line 8 leads from an outflow opening of the pump 3 to an inlet opening of a first distribution device 9.
  • a first outlet opening of the distribution device 9 is via a third line 10 carrying a first partial volume flow Q F with at least one on the offshore installation 1 arranged in the Drawings not shown water tapping point, in particular fire extinguishing device, for example sprinkler system, hydrant or the like, connected.
  • a second outlet opening of the distribution device 9 is connected via a fourth line 11 carrying a second partial volume flow Q T to an inlet opening of the turbine unit 5 of the pump-turbine unit 6.
  • the volume flow Q S thus comprises a first partial volume flow Q F and a second partial volume flow Q T , a line 10 carrying the first partial volume flow Q F with at least one water extraction point and a line 11 carrying the second partial volume flow Q T with the inlet opening of the turbine unit 5 of the pump -Turbine unit 6 is connected.
  • the turbine unit 5 in turn has an outflow opening which opens into a water reservoir, in particular the sea or is at least connected to the water reservoir, which is below the water level and via which the water conveyed to the turbine unit 5 is expelled into the water reservoir.
  • the motor 2 which is preferably designed as an internal combustion engine or turbine, drives the pump 3, which is located on the platform.
  • the pump-turbine unit 6, which is located under water, is driven via the second volume flow Q T which is led through the line 11.
  • the pump turbine unit 6 serves as a backing pump to the pump 3 and ensures that the water level is raised to the level of the pump 3.
  • the pump 3 Used as an extinguishing pump, in the event of a fire, the pump 3 must have the first partial volume flow Q F , which is conducted via line 10 and required for fire-fighting, the required pressure head H D, and the second partial volume flow Q T , which drives the turbine, and which is conducted via line 11 put.
  • the second partial volume flow Q T is significantly lower than the first partial volume flow Q F for fire fighting.
  • the pump unit 4 must provide the suction head H S and the two partial volume flows Q F and Q T.
  • the turbine unit 5 must therefore process a second partial volume flow Q T and the pressure head H D plus the suction head H S.
  • a multi-stage submersible pump operated as a turbine is particularly suitable for this purpose, which can convert the high pressure into a rotary movement for driving the pump unit 4.
  • Centrifugal pumps designed as single-stage spiral casing pumps are particularly suitable as pump unit 4 and overcome suction head H S with high volume flow Q S or partial volume flows Q F and Q T forming volume flow Q S , for example for fire fighting.
  • a first partial volume flow Q F of the volume flow Q S removed from the water reservoir and conveyed via the line 7 becomes at least one water extraction point by means of the line 10 carrying the first partial volume flow Q F and the second partial volume flow Q T by means of the second partial volume flow Q T Line 11 promoted back to the water reservoir.
  • a water supply is additionally provided on the platform, the water supply being accommodated in a container 12.
  • the line 7 carrying the volume flow Q S is connected to an inlet opening of the container 12.
  • the outflow opening of the pump unit 4 of the pump turbine unit 6 is connected directly via the line 7 carrying the volume flow Q S to the inlet opening at the top of the container 12, the container 12 being connected to the in the Fig. 2 shown embodiment is designed as a closed pressure vessel.
  • a vent valve 13 can be arranged on the top of the container 12 or alternatively on one of the walls, in an area which is above the water level.
  • An outlet opening of the container 12 is connected to the suction opening of the pump 3.
  • the outlet opening at the bottom of the container 12 is connected via a fifth line 7a to an input of a first fitting 14, which can be closed off the line 7a, for example a valve or a slide.
  • the outlet of the valve 14 is connected via a sixth line 7b to the suction opening of the pump 3 driven by the motor 2.
  • the outflow opening of the pump 3 is connected via the line 10 carrying the first partial volume flow Q F to the at least one water extraction point and via the line 11 carrying the second partial volume flow Q T to the inlet opening of the turbine unit 5 of the pump turbine unit 6.
  • the line 8 leads from the outflow opening of the pump 3 to the inlet opening of the distribution device 9.
  • the first outlet opening of the distribution device 9 is connected to an inlet of a second fitting 15 by means of a seventh line 10a carrying the first partial volume flow Q F. Via the line 10 carrying the first partial volume flow Q F , the outlet of the fitting 15 is fluidly connected to the at least one water withdrawal point, not shown.
  • the second outlet opening of the distribution device 9 is connected via the line 11 carrying the second partial volume flow Q T to the inlet opening of the turbine unit 5 of the pump-turbine unit 6.
  • the valve 14 on the tank 12 is opened and the pump 3 started.
  • the vent valve 13 attached to the container 12 allows air to flow into the container 12.
  • the valve 15 is initially closed when the pump 3 starts up, so the water flows via the lines 8 and 11 and the turbine unit 5 into the sea and drives the pump-turbine unit 6.
  • the pump unit 4 of the pump-turbine unit 6 thereby sucks in sea water and conveys it into the container 12.
  • the valve 15 is opened and the vent valve 13 closed.
  • the vent valve 13 must be designed such that it prevents a vacuum in the container 12 when the pump 3 starts up and closes the container 12 in a pressure-tight manner when the pressure rises during the operation of the system.
  • vent valve 13 can be omitted. To do this, ensure that the water level in the tank 12 is not above the level in the pump 3. So that the water cannot flow out of the container 12 through the pump 3 and the turbine unit 5 into the open or sea. This ensures that there is enough water to restart the system after a standstill.
  • FIG Fig. 3 Another embodiment for starting up the system is shown in FIG Fig. 3 shown.
  • a second distribution device 16 is provided, the inlet opening of which leads via the volume flow Q S Line 7 is connected to the outflow opening of the pump unit 4 of the pump turbine unit 6.
  • One of the outlet openings of the distribution device 16 is connected to an inlet of a third fitting 17 via an eighth line 7c.
  • An outlet of the fitting 17 is fluidly connected to the inlet opening of the container 12 by a ninth line 7d.
  • the line 7 carrying the volume flow Q S is connected to the outlet opening of the container 12.
  • the entrance opening is provided on one of the walls of the container 12, in an area which is below the water level.
  • the container 12 shown here is a container that is completely or partially open on its upper side or a container with an opening that connects the interior of the container 12 to the external environment.
  • the outlet opening at the bottom of the container 12 is connected to the inlet of the fitting 14 via the line 7a.
  • the outlet of the fitting 14 is connected via line 7b to a first inlet opening of a third distribution device 18.
  • An outlet opening of the distribution device 18 is fluidically connected to the suction opening of the pump 3 via a tenth line 7e.
  • a second entrance opening the distribution device 18 is connected by means of an eleventh line 7f to an outlet opening of a fourth fitting 19, the inlet opening of which is in turn connected to an outlet opening of the distribution device 16 via a twelfth line 7g.
  • the distribution device 16 is connected to the distribution device 18 via a wiring harness that includes the wires 7a, 7b, 7c and 7d and a wiring harness that includes the wires 7f and 7g.
  • a ventilation line 7h is provided, which is connected to a ventilation valve 20.
  • the discharge opening of the pump 3 is connected in the same way as in Fig. 2 described.
  • the fittings 15, 17, 19 must first be closed and the fitting 14 and vent valve 20 must be opened or opened.
  • the closed fitting 17 prevents the water from escaping from the container 12 due to the level differences between the container 12 and the pump unit 4.
  • the water flows into the pump 3 via the lines 7a, 7b and 7e and from there via the lines 8 and 11 and the turbine unit 5 into the sea.
  • the pump unit 4 of the pump turbine unit 6 conveys water into the line 7 until the air present in it can escape from the vent valve 20.
  • the vent valve 20 is closed and the fitting 17 is opened.
  • the water conveyed by the pump unit 4 is conveyed into the container 12 via the lines 7, 7c and 7d.
  • the fittings 14 and 17 are closed and the fittings 15 and 19 are opened.
  • the fitting 14 prevents the water from escaping from the container 12 and the fitting 19 enables the pump 3 to be fed by the pump unit 4 of the pump-turbine assembly 6.
  • the valve 17 is designed as a check valve, for example as a check valve, can in the Fig. 3 shown, with an outlet opening of the distribution device 16 fluidly connected vent line 7h and the vent valve 20 are dispensed with.
  • the valve 17 designed as a check valve prevents the water from escaping due to level differences of container 12 and the pump unit 4 of the pump turbine unit 6, and also allows the air in the system to escape through the open container 12.
  • the fittings 15 and 19 are closed.
  • the valve 14 is opened and the lines 7a, 7b and 7e flow the water from the container 12 into the pump 3 connected to the distribution device 18 and from there via lines 8 and 11 and the turbine unit 5 into the sea.
  • the pump unit 4 of the pump turbine unit 6 conveys the water removed from the sea via the lines 7, 7c and 7d into the container 12.
  • valve 14 When the container 12 has reached its defined filling level for restarting the system, the valve 14 is closed in order to Leave water in the tank 12 and the fittings 15 and 19 opened to feed the pump 3 via the pump unit 4 and the lines 7, 7g, 7f and 7e with the water taken from the sea by the pump unit 4 and one or more water withdrawal points to supply with the required amount of water.
  • the structure is simplified to the extent that here too in the Fig. 3 Components shown fitting 17, vent line 7h and vent valve 20 can be omitted.
  • the line 7c is connected at one end to an outlet opening of the distribution device 16 and ends at the other end in an area above the water level of the container 12.
  • the lines 7a, 7b, 7e, 7f and 7g and the fitting 19 are connected analogously to FIG that in the Fig. 3 illustrated embodiment.
  • the fittings 15 and 19 are closed and the fitting 14 is open.
  • the water flows via the lines 7a, 7b and 7e from the container 12 into the pump 3 connected to the distribution device 18 and from there via the Lines 8 and 11 and the turbine unit 5 into the sea.
  • the pump unit 4 of the pump turbine unit 6 conveys water via the lines 7 and 7c into the container 12 until it has reached the defined fill level for restarting the system.
  • the valve 14 is then closed so that water can no longer be conveyed from the container.
  • the fittings 15 and 19 are opened in order to feed the pump 3 via the pump unit 4, the lines 7, 7g, 7f and 7e with the water removed from the sea by the pump unit 4, so that the required first partial volume flow Q F at the water withdrawal points ready.
  • the 3 to 5 are shown with a container 12 open on its top, which, alternatively, according to FIG Fig. 1 , can be designed as a closed container.
  • the Fig. 6 shows a further embodiment.
  • the outflow opening of the pump unit 4 is connected to a suction opening of a pump device 21, preferably a high-pressure pump.
  • the outflow opening of the pump unit 4 of the pump turbine unit 6 is connected via the line 7 carrying the volume flow Q S to the inlet opening of the distribution device 18.
  • the first outlet opening of the distribution device 18 leads via the line 7e to the suction opening of the pump 3.
  • the outflow opening of the pump 3 is connected to the at least one water extraction point via the line 10 carrying the first partial volume flow Q F.
  • the second outlet opening of the distribution device 18 is connected to a suction opening of the pump device 21 via a thirteenth line 11a.
  • An outflow opening of the pump device 21 is connected via the line 11 carrying the second partial volume flow Q T to the inlet opening of the turbine unit 5 of the pump-turbine unit 6. While in the 1 to 5 the outflow opening of the pump 3 is connected via the distribution device 9, ie indirectly, to the inlet opening of the turbine unit 5, in this embodiment the outflow opening of the pump device is connected directly to the turbine unit.
  • the feed water for the pump device 21 is thus withdrawn as a partial volume flow of the pump unit 4 of the pump turbine unit 6.
  • the pump device 21 generally has a smaller delivery rate than the pump 3 and promotes the second partial volume flow Q T for driving the turbine unit 5
  • Pump device 21 is preferably driven by means of the existing motor 2. Alternatively, another drive device for the pump device 21 can also be provided.
  • the pump device 21 installed in line 11 and driven by motor 2 is provided on the platform.
  • the outflow opening of the pump unit 4 is connected to the inlet opening of the distribution device 18 via the line 7 carrying the volume flow Q S.
  • the first outlet opening of the distribution device 18 is connected via the line 10 carrying the first partial volume flow Q F to the at least one water extraction point, not shown.
  • the second outlet opening of the distribution device 18 is connected to the suction opening of the pump device 21 via the line 11a carrying the second partial volume flow Q T.
  • the pump device 21 on the platform thus receives its feed water from the pump unit 4 of the pump turbine unit 6.
  • the pump unit 4 of the pump turbine unit 6 takes on the task of in the 1 to 6 Pump 3 shown and thus provides the required first partial volume flow Q F for the at least one water extraction point, for example for fire fighting, the required pressure head H D plus the suction head H S and the second partial volume flow Q T for supplying the pump turbine unit 6.
  • the design of the water lifting system according to the Figures 6 and 7 with a water supply essentially corresponds to that of 1 to 5 described possibilities and shown in the corresponding figures.
  • the container 12 is placed on the offshore installation 1, an outlet opening of the container 12 being connected to the suction opening of the pump 3 and / or the suction opening of the pump device 21 and an inlet opening of the container 12 being connected to the outlet opening of the pump unit 4 of the pump turbine unit 6 ,
  • the pump turbine unit 6 Since the pump turbine unit 6 remains permanently in the sea water with a high salt content, it must be protected against the rotor sticking.
  • an electric motor 22 are attached to the pump-turbine unit 6, which rotates it at regular intervals. A slow rotational movement is sufficient without the pump unit 4 conveying water.
  • An electric motor with a high number of poles is advantageously used. This avoids the use of a gearbox.
  • the electric motor must also be designed for the speeds in operation of the pump turbine unit 6. Alternatively, the entire system could be started up at regular intervals. This could check the function and prevent the unit from jamming.
  • the Figures 1 to 8 schematically show an offshore plant on the basis of which structure and functioning of the water lifting system were discussed.
  • the water lifting system according to the invention can also be used on a ship or the like.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Ocean & Marine Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
EP12794267.0A 2011-12-12 2012-11-22 Wasserhebesystem und verfahren mit einem solchen system Active EP2791512B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201110088246 DE102011088246A1 (de) 2011-12-12 2011-12-12 Wasserhebesystem und Verfahren mit einem solchen System
PCT/EP2012/073301 WO2013087387A1 (de) 2011-12-12 2012-11-22 Wasserhebesystem und verfahren mit einem solchen system

Publications (2)

Publication Number Publication Date
EP2791512A1 EP2791512A1 (de) 2014-10-22
EP2791512B1 true EP2791512B1 (de) 2020-01-01

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EP12794267.0A Active EP2791512B1 (de) 2011-12-12 2012-11-22 Wasserhebesystem und verfahren mit einem solchen system

Country Status (9)

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US (1) US20140299196A1 (pt)
EP (1) EP2791512B1 (pt)
CN (1) CN104126073A (pt)
AR (1) AR090042A1 (pt)
BR (1) BR112014014171B1 (pt)
DE (1) DE102011088246A1 (pt)
IN (1) IN2014KN01226A (pt)
MX (1) MX2014006340A (pt)
WO (1) WO2013087387A1 (pt)

Families Citing this family (3)

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Publication number Priority date Publication date Assignee Title
CA3000583A1 (en) 2015-10-08 2017-04-13 Energy Harvest As Liquid lifting device
FI127486B (en) * 2017-02-15 2018-07-13 Rolls Royce Oy Ab Fire extinguishers and seagoing vessels
WO2019220456A1 (en) 2018-05-17 2019-11-21 Parmar Ukalal Devjibhai Submersible water lifting assembly and automatic fire fighting system for unmanned platforms having said system

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Publication number Publication date
EP2791512A1 (de) 2014-10-22
CN104126073A (zh) 2014-10-29
BR112014014171B1 (pt) 2021-04-13
DE102011088246A1 (de) 2013-06-13
MX2014006340A (es) 2014-06-23
WO2013087387A1 (de) 2013-06-20
IN2014KN01226A (pt) 2015-10-16
BR112014014171A2 (pt) 2017-06-13
AR090042A1 (es) 2014-10-15
US20140299196A1 (en) 2014-10-09

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