EP3504434A1 - Station de pompage pour un pipeline et procédé permettant de démarrer un moteur à combustion interne dans une station de pompage - Google Patents

Station de pompage pour un pipeline et procédé permettant de démarrer un moteur à combustion interne dans une station de pompage

Info

Publication number
EP3504434A1
EP3504434A1 EP17745163.0A EP17745163A EP3504434A1 EP 3504434 A1 EP3504434 A1 EP 3504434A1 EP 17745163 A EP17745163 A EP 17745163A EP 3504434 A1 EP3504434 A1 EP 3504434A1
Authority
EP
European Patent Office
Prior art keywords
hydraulic
internal combustion
combustion engine
hydraulic motor
pumping station
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.)
Granted
Application number
EP17745163.0A
Other languages
German (de)
English (en)
Other versions
EP3504434B1 (fr
Inventor
Daniel Flemmer
Bert Brahmer
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.)
Voith Patent GmbH
Original Assignee
Voith Patent GmbH
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 Voith Patent GmbH filed Critical Voith Patent GmbH
Publication of EP3504434A1 publication Critical patent/EP3504434A1/fr
Application granted granted Critical
Publication of EP3504434B1 publication Critical patent/EP3504434B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/05—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by internal-combustion engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N15/00—Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
    • F02N15/02—Gearing between starting-engines and started engines; Engagement or disengagement thereof
    • F02N15/022—Gearing between starting-engines and started engines; Engagement or disengagement thereof the starter comprising an intermediate clutch
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N7/00—Starting apparatus having fluid-driven auxiliary engines or apparatus
    • F02N7/06—Starting apparatus having fluid-driven auxiliary engines or apparatus the engines being of reciprocating-piston type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B23/00—Pumping installations or systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/02—Installations or systems with accumulators

Definitions

  • the present invention relates to a pumping station for a pipeline, in particular oil or gas pipeline having the features of the preamble of claim 1, and a method for starting at least one internal combustion engine in such a pumping station.
  • Pumping station includes compressor stations.
  • Pumping stations for oil or gas pipelines use internal combustion engines, such as large gas engines, which drive one or more feed pumps to convey the medium - oil or gas - through the pipeline.
  • Such gas engines have for example a power of 1800 to 1 1000 hp and a starting torque of, for example, 32000 Nm at 4000 hp.
  • the ignition speed may then be 65 rpm, for example, and should be held for 30 seconds.
  • the pumped medium in particular gas
  • the internal combustion engine is used to start the internal combustion engine. For environmental reasons, this is no longer desirable.
  • a hydraulic pressure accumulator is filled by means of a filling pump.
  • the hydraulic medium contained in the hydraulic pressure accumulator which can be designed as a bladder accumulator, as a piston accumulator or as a spring accumulator, is then switched electrically or by manual actuation of a valve to a hydraulic motor, which raises the internal combustion engine to an undefined speed so that it can ignite.
  • a toothing between the hydraulic motor and the internal combustion engine must be meshed.
  • Einspuren by an auxiliary power such as electrical, hydraulic or pneumatic displacement of a gear of the hydraulic motor in a drive connection with the engine
  • Einspuren by exploiting the effect of inertia wherein the gear of the hydraulic motor is arranged on a coarse thread and is vorgespurt by the rotation of the hydraulic motor.
  • the starting of the internal combustion engine that is, the pulling up of the crankshaft of the internal combustion engine with the hydraulic motor, has hitherto been characterized in that the pressure prevailing in the accumulator pressure is transmitted unregulated by the hydraulic medium to the hydraulic motor, so that the internal combustion engine is ignited at an undefined speed. As a rule, this achieves a speed level which is higher than required.
  • the internal combustion engine can be safely ignited, however, the energy consumption from the hydraulic pressure accumulator is high, so that comparatively large and therefore expensive hydraulic storage must be provided.
  • the present invention has for its object to provide a pumping station for a pipeline of the type shown above, which manages with a smaller, less expensive hydraulic pressure accumulator. Furthermore, a method for starting a corresponding internal combustion engine in a pumping station should be specified, which enables the use of the comparatively smaller hydraulic pressure accumulator.
  • a pump station according to the invention for a pipeline in particular for an oil or gas pipeline, has at least one feed pump for conveying a fluid, in particular oil or gas, through the pipeline. Further, at least one internal combustion engine is provided, which is in a drive connection with the at least one feed pump or in such a drive connection is switchable to drive the at least one feed pump.
  • a hydrostatic system which has at least one first hydraulic motor, which is in a drive connection with the at least one internal combustion engine or is switchable into such a drive connection in order to accelerate the at least one internal combustion engine to its start by driving, for example, the crankshaft of the internal combustion engine.
  • the hydraulic motor as set out above, pulls up the engine, especially from the state.
  • a synchronization is necessary between the output shaft of the hydraulic motor and the crankshaft of the engine, can be made of the solutions shown above.
  • a synchronized or unsynchronized coupling between the hydraulic motor and the internal combustion engine may be provided.
  • at least one ratio stage between the hydraulic motor and the internal combustion engine is provided to translate, for example, the speed of the internal combustion engine relative to the rotational speed of the hydraulic motor in the slow.
  • a hydraulic pressure accumulator of limited volume is provided, which is filled with a pressurized hydraulic medium to apply this hydraulic medium to the first hydraulic motor, so that it is driven accordingly.
  • the pressure difference across the at least one first hydraulic motor in the hydraulic system is variably adjustable in order to accelerate the internal combustion engine to a predetermined firing speed.
  • the solution according to the invention thus avoids unnecessary consumption of energy, that is to say of pressurized hydraulic medium from the at least one pressure accumulator.
  • an adjustable throttle valve in the flow direction of the hydraulic medium in front of or behind the first hydraulic motor.
  • an additional hydraulic motor may be provided in the hydrostatic system, in which pressure of the pressure medium is reduced, so that a lower pressure level or a lower pressure difference is available for the first hydraulic motor.
  • the additional hydraulic motor may be connected in terms of its flow with hydraulic medium in series with the first hydraulic motor on the pressure accumulator.
  • the adjustable throttle valve may then also be positioned in series with the additional hydraulic motor.
  • a hydraulic pump driven by the additional hydraulic motor is also provided, which feeds hydraulic medium, in particular from a hydraulic medium reservoir, into the first hydraulic motor or into a hydraulic medium flow which is supplied to the first hydraulic motor from the pressure reservoir.
  • the hydraulic medium can be passed from the pressure accumulator only to the additional hydraulic motor and the hydraulic medium delivered with the hydraulic pump is then supplied to the first hydraulic motor, so that it is driven to accelerate the internal combustion engine.
  • the additional hydraulic motor may be connected to the pressure accumulator in series or parallel to the first hydraulic motor, based on a flow with the hydraulic medium from the pressure accumulator.
  • the additional hydraulic motor can be designed as a Versteilmotor, so that its power consumption is adjustable.
  • the hydraulic pump can be designed accordingly as a variable displacement pump to adjust their power consumption.
  • the first hydraulic motor is designed in particular as a constant-speed motor.
  • At least one charge pump is preferably provided in the hydrostatic system, which supplies hydraulic medium from a hydraulic medium reservoir, in particular from the hydraulic medium reservoir, from which also the hydraulic pump scoops, into the pressure reservoir, the charge pump in particular having an electromotive drive.
  • Other drives such as an internal combustion engine as a drive, however, are possible.
  • the additional hydraulic motor and / or the hydraulic pump is / are advantageously designed as an axial piston machine, for example as a bent axis machine, swash plate machine or swash plate machine. In this case, it is advantageously possible for the power consumption or the absorption volumes to be set via control of the swivel angle.
  • the pressure accumulator is designed as a memory with gas tensioning device, in particular as bladder or diaphragm accumulator.
  • an additional gas storage gas-conducting connected to a gas side of the accumulator to increase the gas spring of the pressure accumulator. For example, at constant pressure level and at the same maximum storage pressure by connecting an additional gas storage, which may be filled with nitrogen, for example, doubles the maximum recordable amount of hydraulic medium, especially if the gas storage has at least the same receiving volume as the pressure accumulator.
  • At least one sensor is arranged in the hydrostatic system, which together with a control device, which is connected wirelessly or by wire to the at least one sensor, indirectly determines the rotational speed of the internal combustion engine as a function of a state variable in the hydrostatic system.
  • the at least one sensor is arranged in the region of the additional hydraulic motor or a hydraulic motor-pump unit, which comprises the additional hydraulic motor and the hydraulic pump, and / or in the region of the adjustable throttle valve. It is also possible with the sensor to determine the hydraulic medium flow through the first hydraulic motor or its power consumption.
  • the rotational speed of the additional hydraulic motor and / or the hydraulic pump can be used for the indirect determination of the rotational speed of the internal combustion engine, or the hydraulic medium flow at a predetermined point in the hydrostatic system. It is also possible, for example, the position of the adjustable throttle valve for this purpose, or, for example, the current swivel angle of the additional hydraulic motor and / or the hydraulic pump. This list is not exhaustive, but other sizes can be used. Of course, it is also possible to determine the speed of the internal combustion engine based on state variables outside the hydrostatic system or to measure directly.
  • the at least one internal combustion engine is positioned in an explosion protection zone, that is, the components provided there have additional facilities in order to avoid an explosion.
  • at least one, several or all of the following devices are spatially separated from the at least one internal combustion engine and the at least one feed pump and in particular the at least one first hydraulic motor positioned outside of this explosion protection zone:
  • the first hydraulic motor may be used to start a plurality of internal combustion engines or a plurality of "first" hydraulic motors may be used to start one or more internal combustion engines, all of which are advantageously integrated in the same hydrostatic system
  • the drive may, for example, also be designed as a hydraulic motor, wherein the hydraulic motor with hydraulic medium from the hydraulic pressure accumulator and / or preferably, in order to conserve its capacity, is fed from the charge pump.
  • an electric motor may be provided as a drive for the turbocharger.
  • An inventive method for starting at least one internal combustion engine in a pumping station comprises the acceleration of the at least one internal combustion engine with the at least one first hydraulic motor and the ignition of the at least one internal combustion engine after its acceleration, wherein the speed of the Internal combustion engine is set to a predetermined firing speed prior to ignition by the variable pressure across the first hydraulic motor is variably adjusted in the hydrostatic system during the flow with hydraulic medium.
  • Figure 1 shows a first exemplary embodiment of an inventive
  • FIG. 1 shows a pumping station for a pipeline, with an internal combustion engine 1, which drives delivery pumps 2, 3 in a pipeline 4.
  • an internal combustion engine 1 which drives delivery pumps 2, 3 in a pipeline 4.
  • other internal combustion engines V and 1 "could also be provided which drive respective delivery pumps (not shown) or other aggregates
  • the first hydraulic motor 10 several hydraulic motors can be provided which cooperate to drive an internal combustion engine to a predetermined firing speed to accelerate.
  • a respective first hydraulic motor 10 (or 10', 10") is provided, which can be coupled via a suitable clutch 6 to the corresponding internal combustion engine 1, 1 ', 1 " 6, for example, can be actuated or activated with pressure of the hydraulic medium 6.
  • a releasable mechanical connection to the internal combustion engine can be provided become.
  • Such couplings are also referred to as Einspurgetriebe.
  • the internal combustion engine 1, 1 ', 1 " can be accelerated to a predefined firing speed by the hydraulic motor.
  • the respective internal combustion engine 1, 1', 1" has a turbocharger 27, 27 ', 27 "which is still in front of the starting of the internal combustion engine 1 , 1 ', 1 "is brought to a desired speed, with pressurized hydraulic medium from a charge pump 15, which is here driven by an electric motor 16 and from a hydraulic medium reservoir 17 promotes.
  • a hydraulic motor 28, 28', 28” connected or connectable, which is operated with the pressurized hydraulic medium.
  • a corresponding valve, in particular directional control valve 29, 29', 29" is provided for switching through the pressurized hydraulic medium to the hydraulic motor 28, 28 ', 28 ".
  • the pressurization of the first hydraulic motor 10, 10 ', 10 can also be switched on and off by means of a valve 30, 30', 30", the necessary pressurized hydraulic medium from the hydraulic pump 20 of the motor-pump unit 18 is provided ,
  • the hydraulic pump 20 also delivers from the hydraulic medium reservoir 17 and is driven by an additional hydraulic motor 19, which is fed via an adjustable throttle valve 24, which is also designed in particular as a directional control valve, with pressurized hydraulic medium from the pressure source 1 1.
  • the pressure source 1 1 has a pressure accumulator 12, on whose gas side a gas reservoir 13 is connected to increase the so-called gas spring.
  • the pressure accumulator 12 is filled by means of the charge pump 15, in particular via a check valve 31.
  • the hydrostatic system which is mostly positioned outside the blast zone 32, see the dashed line, there is at least one sensor 33 provided, which determines the speed of the respective internal combustion engine 1, 1 ', 1 "indirectly together with a control device 34.
  • the speed of the motor-pump unit 18 is determined by the sensor 33.
  • the motor-pump unit 18th By the use of the motor-pump unit 18th , for example, wherein the additional hydraulic motor 19 is designed as a Versteilmotor, the power consumption and thus the drive power of the first hydraulic motor 10 and the corresponding hydraulic motors 10 ', 10 "can be set exactly, so that the internal combustion engine 1 and the corresponding internal combustion engines 1', 1" exactly only be accelerated to the necessary ignition speed.
  • FIG. 2 largely corresponds to that of FIG. 1, but here the motor-pump unit 18 is integrated differently in the hydrostatic system.
  • Corresponding reference numerals designate corresponding components.
  • the additional hydraulic motor 19 and / or the hydraulic pump 20 could be designed as Versteilmotor or variable displacement. Furthermore, it is indicated that in addition to the torsionally rigid coupling, in particular by means of a common shaft, a variable speed gear 21 between the additional hydraulic motor 19 and the hydraulic pump 20 could be provided, and an electric generator or motor generator 22 and an electrical memory 23 to electrical energy from the hydrostatic System to win or reversibly due to the system.
  • a variable speed gear 21 between the additional hydraulic motor 19 and the hydraulic pump 20 could be provided, and an electric generator or motor generator 22 and an electrical memory 23 to electrical energy from the hydrostatic System to win or reversibly due to the system.
  • a clutch 6 can be connected between the internal combustion engine 1 and the first hydraulic motor 10 be provided, for example, the output shaft 25 of the first hydraulic motor 10 with a crankshaft of the internal combustion engine 1 directly or preferably indirectly via at least one gear stage or a pickup unit connects.
  • the pressure provided by the hydraulic pressure source 1 1 is reduced by driving the motor-pump unit 18, so that the first hydraulic motor 10 provides a correspondingly lower drive power at its output shaft 25.
  • the flow rate through the first hydraulic motor 10 is increased, so that fine control can be achieved and the hydrostatic system can be deprived of energy only to a desired small extent.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Supercharger (AREA)

Abstract

L'invention concerne une station de pompage pour un pipeline, en particulier pour un oléoduc ou un gazoduc, comprenant au moins une pompe de refoulement servant à refouler un fluide à travers le pipeline ; au moins un moteur à combustion interne qui est en liaison d'entraînement avec ladite au moins une pompe de refoulement ou peut être connecté dans cette liaison d'entraînement, afin d'entraîner ladite au moins une pompe de refoulement ; un système hydrostatique qui comprend au moins un premier moteur hydraulique qui est en liaison d'entraînement avec ledit au moins un moteur à combustion interne ou peut être connecté dans cette liaison d'entraînement, afin d'accélérer ledit au moins un moteur à combustion interne par entraînement jusqu'à ce qu'il démarre ; un accumulateur de pression hydraulique de volume limité étant prévu dans le système hydraulique, lequel accumulateur de pression peut être rempli d'un fluide hydraulique pouvant être mis sous pression, à l'aide duquel le premier moteur hydraulique peut être sollicité pour son entraînement. La station de pompage pour un pipeline selon l'invention est caractérisée en ce que la différence de pression appliquée par le biais dudit au moins un premier moteur hydraulique dans le système hydrostatique peut être réglée de manière variable, afin d'accélérer le moteur à combustion interne jusqu'à ce qu'un régime d'allumage prédéfini soit atteint.
EP17745163.0A 2016-08-23 2017-07-24 Station de pompage pour un pipeline et procédé permettant de démarrer un moteur à combustion interne dans une station de pompage Active EP3504434B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102016215758 2016-08-23
DE102016217959.4A DE102016217959A1 (de) 2016-08-23 2016-09-20 Pumpstation für eine Pipeline und Verfahren zum Starten eines Verbrennungsmotors in einer Pumpstation
PCT/EP2017/068610 WO2018036730A1 (fr) 2016-08-23 2017-07-24 Station de pompage pour un pipeline et procédé permettant de démarrer un moteur à combustion interne dans une station de pompage

Publications (2)

Publication Number Publication Date
EP3504434A1 true EP3504434A1 (fr) 2019-07-03
EP3504434B1 EP3504434B1 (fr) 2020-07-08

Family

ID=61167147

Family Applications (2)

Application Number Title Priority Date Filing Date
EP17745163.0A Active EP3504434B1 (fr) 2016-08-23 2017-07-24 Station de pompage pour un pipeline et procédé permettant de démarrer un moteur à combustion interne dans une station de pompage
EP17745164.8A Active EP3504435B1 (fr) 2016-08-23 2017-07-24 Système hydrostatique et station de pompage pour un oléoduc ou un gazoduc

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP17745164.8A Active EP3504435B1 (fr) 2016-08-23 2017-07-24 Système hydrostatique et station de pompage pour un oléoduc ou un gazoduc

Country Status (5)

Country Link
US (2) US11111908B2 (fr)
EP (2) EP3504434B1 (fr)
DE (2) DE102016217061A1 (fr)
WO (2) WO2018036731A1 (fr)
ZA (2) ZA201900107B (fr)

Families Citing this family (4)

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JP6713438B2 (ja) * 2017-08-25 2020-06-24 三菱重工業株式会社 油圧ドライブトレイン及びその起動方法、並びに発電装置及びその起動方法
FR3109611B1 (fr) * 2020-04-28 2022-08-12 Ortec Expansion Dispositif d’entraînement d’une pompe à très haute pression comprenant un système de régulation hydraulique précis et sécurisé.
CN113417903A (zh) * 2021-07-28 2021-09-21 安百拓（南京）建筑矿山设备有限公司 一种动力系统和行走动力站
CN113969854B (zh) * 2021-10-25 2023-03-24 中国煤炭科工集团太原研究院有限公司 一种矿用防爆车辆气电联合控制启动系统

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Also Published As

Publication number Publication date
EP3504435B1 (fr) 2020-04-01
EP3504434B1 (fr) 2020-07-08
ZA201900107B (en) 2019-08-28
WO2018036731A1 (fr) 2018-03-01
US20190186477A1 (en) 2019-06-20
DE102016217061A1 (de) 2018-03-01
WO2018036730A1 (fr) 2018-03-01
DE102016217959A1 (de) 2018-03-01
US20190195210A1 (en) 2019-06-27
US10935012B2 (en) 2021-03-02
US11111908B2 (en) 2021-09-07
ZA201900168B (en) 2019-09-25
EP3504435A1 (fr) 2019-07-03

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