EP2792425A1 - Procédé et dispositif de nettoyage intérieur d'un réservoir de fluide - Google Patents

Procédé et dispositif de nettoyage intérieur d'un réservoir de fluide Download PDF

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Publication number
EP2792425A1
EP2792425A1 EP14163059.0A EP14163059A EP2792425A1 EP 2792425 A1 EP2792425 A1 EP 2792425A1 EP 14163059 A EP14163059 A EP 14163059A EP 2792425 A1 EP2792425 A1 EP 2792425A1
Authority
EP
European Patent Office
Prior art keywords
fluid
tank
fluid tank
primary
supplied
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
EP14163059.0A
Other languages
German (de)
English (en)
Other versions
EP2792425B1 (fr
Inventor
Axel Widenhorn
Thilo Dr. Kissel
Daniel BARUNOVIC
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.)
Duerr Systems AG
Original Assignee
Duerr Systems AG
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 Duerr Systems AG filed Critical Duerr Systems AG
Publication of EP2792425A1 publication Critical patent/EP2792425A1/fr
Application granted granted Critical
Publication of EP2792425B1 publication Critical patent/EP2792425B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
    • B08B9/08—Cleaning containers, e.g. tanks

Definitions

  • the invention relates to a method for internally cleaning a fluid tank having a connection for supplying fluid and a connection for discharging fluid, in which a primary fluid is introduced through the connection for the supply of fluid into the fluid tank, and through which connection for discharging fluid from the fluid tank, a secondary fluid in the form of fluid residues accommodated in the fluid tank and / or primary fluid charged with such fluid residues or contaminants is removed.
  • the invention relates to a system for internally cleaning a fluid delivery port and a fluid discharge port, which has a conduit connectable to the fluid supply port for supplying a primary fluid into the fluid tank, and a conduit connectable to the fluid discharge port for discharging a secondary fluid in the form of fluid residues received in the fluid tank and / or primary fluid impinged upon such fluid residues or contaminants.
  • a fluid tank means a closed container for the storage, storage and / or transport of gaseous and / or liquid media, such as e.g. Propane, butane, butadiene, propene, isobutane, isobutene, cyclobutane, gasoline or diesel fuel, biodiesel, fuel oil, cyclobutane, mixtures of these media, or other volatile, organic compounds containing or consisting of these fluids or other combustibles containing fluids.
  • gaseous and / or liquid media such as e.g. Propane, butane, butadiene, propene, isobutane, isobutene, cyclobutane, gasoline or diesel fuel, biodiesel, fuel oil, cyclobutane, mixtures of these media, or other volatile, organic compounds containing or consisting of these fluids or other combustibles containing fluids.
  • fluid cleaning Prior to performing maintenance and safety checks on a fluid tank, as well as to prepare for accommodating particular varying different fluids, fluid cleaning requires regular internal cleaning.
  • the object of the invention is to provide a method for the internal cleaning of fluid tanks, which allows a cost-effective internal cleaning of fluid tanks, and to provide a system for the internal cleaning of fluid tanks, which can be operated with low operating costs.
  • This object is achieved, on the one hand, by a method for cleaning internal fluid tanks of the type mentioned in the introduction, in which the primary fluid supplied to the fluid tank is heated to a process temperature which is favorable for the internal cleaning of the fluid tank.
  • this object is achieved by a plant of the type mentioned, which contains a conditioning device for heating the primary fluid supplied to the fluid tank to a favorable for the internal cleaning of the fluid tank process temperature.
  • gaseous primary fluid for purging such as nitrogen
  • tank volumes which is often in the order of 20m 3
  • very large gas quantities of 700m 3 or more needed which leads to considerable costs.
  • an idea of the invention is also to heat the primary fluid used for internally cleaning fluid tanks before it is introduced into the fluid tank in order to reduce the amount of primary fluid required for flushing a fluid tank. Moreover, it is an idea of the invention to recover the energy needed to heat the primary fluid from secondary fluid received in the fluid tanks and contaminants removed from the fluid tanks.
  • the secondary fluid discharged from a fluid tank during purging to a means for chemically reacting the secondary fluid to release heat to transfer the heat released therein at least partially to the primary fluid supplied to the fluid tank.
  • the means for the chemical reaction of the secondary fluid may e.g. a burner in which the secondary fluid is burned with another combustible fluid.
  • the burner is integrated in a preferably designed as a micro gas turbine turbine system and generates a hot gas stream, which is acted upon for generating kinetic energy, a gas turbine, which is coupled in motion with a mechanical energy consumer.
  • the thermal energy contained in the exhaust gas flow of the gas turbine can then be transferred, for example, in the conditioning device at least partially to the primary fluid supplied to the fluid tank.
  • An idea of the invention is therefore also to use a turbine system, in particular a micro gas turbine for cleaning or flushing a fluid tank with a primary fluid, wherein the turbine system comprises a burner and a compressor coupled to a gas turbine.
  • the burner is supplied with a secondary fluid which consists of fluid residues accommodated in the fluid tank and / or primary fluid charged with such fluid residues or contaminants, and the exhaust gas released by the turbine system is supplied to a conditioning device for conditioning the primary fluid.
  • the mechanical energy consumer is a compressor for compressing the combustion air supplied to the burner, wherein the combustion air compressed by the compressor thermal Energy is transferred from the exhaust stream.
  • the mechanical energy consumer may alternatively or additionally also be an electrical generator which generates electrical current.
  • the conduit for the discharge of secondary fluid from a fluid tank communicates with the conduit for supplying primary fluid into the fluid tank to re-supply the secondary fluid discharged from the fluid tank to the fluid tank.
  • the conduit for the discharge of secondary fluid from a fluid tank communicates with the conduit for supplying primary fluid into the fluid tank to re-supply the secondary fluid discharged from the fluid tank to the fluid tank.
  • the primary fluid used for rinsing a fluid tank can be conditioned to a process temperature which is favorable for the cleaning.
  • the in the Fig. 1 shown plant 10 is used for the interior cleaning of a fluid tank 12, for example, mounted on a substructure in a tanker truck or integrated into a railway tank car.
  • the fluid tank 12 has a connection 14 for the supply of fluid into the interior 16. Through a connection 18 of the fluid tank 12, it is possible to remove fluid from the interior 16.
  • a nitrogen-filled pressure vessel 20 In the plant 10 there is a nitrogen-filled pressure vessel 20.
  • the pressure vessel 20 can be connected to the fluid tank 12 via a connection 22 via the connection 14. From the pressure vessel 20 may in the fluid tank 12 through the conduit 22 in this manner as a primary fluid nitrogen gas are supplied to flush the interior 24 of the fluid tank 12 therewith.
  • the nitrogen gas from the pressure vessel 20 in the plant 10 serves as a primary fluid for the fluid tank 12.
  • a conveying unit configured as a pump or a compressor be provided, which is arranged in the line 22 between the pressure vessel 20 and the heat exchanger 48 or between the heat exchanger 48 and the fluid tank 12.
  • the system 10 includes a micro gas turbine formed turbine system 26 with a burner 28. Via a line 30, which can be connected to the terminal 18 of the fluid tank 12, it is possible, the burner 28 in the turbine system 26 with fluid residues or polluted nitrogen gas as to supply a secondary fluid from the fluid tank 12.
  • the plant 10 preferably, but not necessarily, includes a suction conveyor unit 31 designed as a compressor or pump.
  • the burner 28 has a combustion chamber 32, in which the nitrogen gas charged with fluid residues or contaminants from the fluid tank 12 is burned with a fuel gas supplied from the outside and with combustion air.
  • the burner 28 is for this purpose preferably designed as a so-called two-stage burner, which has a pilot stage as a first burner stage, in which the fuel gas is supplied, and as a second burner stage has a main stage, in which introduced the pressurized with fluid residues or contaminants nitrogen gas is to burn it there in a burner flame generated by the pilot stage.
  • the burner 28 is for burning fluid residue or contaminants from the fluid tank 12 can also be a burner which burns nitrogen gas charged with fluid residues or contaminants without supplying additional fuel gas. In this case, however, it must be ensured that the fluid residues and contaminants in the nitrogen gas from the fluid tank 12 have combustion characteristics at least approximately corresponding to the combustion characteristics of fuel gas.
  • the burner 28 thereby generates a hot gas jet, which is conducted via a hot gas duct 34 to a gas turbine 36.
  • a gas turbine 36 the thermal energy of the hot gas generated by the burner 28 is converted into kinetic energy, which is then transferred to a compressor 38 motion-coupled to the gas turbine and an electric generator 40.
  • the compressor is for compressing intake air which is supplied to the burner 28 through an intake air passage 42.
  • electrical energy can be provided for a not further illustrated line network with electrical consumers.
  • the exhaust gas of the gas turbine 36 is guided through an exhaust passage 44.
  • the turbine system 26 includes a heat exchanger 46 that transfers heat from the exhaust gas of the gas turbine 36 to the compressed combustion air supplied to the burner 28.
  • the exhaust passage 42 of the turbine system 26 is connected to a heat exchanger 48.
  • the heat exchanger 48 is for conditioning nitrogen gas from the pressure vessel 20, which is supplied through the conduit 22 to the fluid tank 12 for purging from the interior thereof.
  • the heat exchanger 48 is designed for heating nitrogen gas supplied from the pressure vessel 20. By means of the heat exchanger 48, it is possible to heat the nitrogen gas from the pressure vessel 20 from the ambient temperature up to 600 ° C.
  • a fluid tank 12 having a large internal volume such as rail tank cars, tank trucks and ships fluid tanks, has interior volumes of up to 700m 3 are not uncommon, can be rinsed.
  • the conditioning of the introduced into a fluid tank 12 primary fluid thereby not only causes dissolved in the interior of a fluid tank 12 contaminants, but also that in a fluid tank 12 recorded residual fluid swirled not only with the primary fluid, but by the heat transfer mostly in one gaseous state of aggregation can be transferred.
  • Burner 28 thus acts as a means for chemically reacting secondary fluid in the form of primary fluid and residual fluid and contaminants from fluid tank 12 to release heat.
  • the structure of the plant 100 in Fig. 2 corresponds basically to the structure of the system 10 Fig. 1 , Assemblies of the plant 100 in Fig. 2 , which are to assemblies in the Appendix 10 from in Fig. 1 are identical in the Fig. 2 in terms of the Fig. 1 numbers increased by the number 100 as reference numerals.
  • a conduit section 150 which connects the secondary fluid discharge line 130 from the fluid tank 112 to the primary fluid supply line 122 in the fluid tank 112.
  • the primary fluid can be partially circulated through the fluid tank 112, so that it passes through it several times.
  • the Saug bankiki 131 instead of the Saug bankong 131 or additionally be provided for this in the line 122 designed as a pump or compressor stage pressure conveying unit.
  • the hot exhaust gas of the turbine system 26, 126 in the systems 10, 100 can also be used to heat the fluid tank 12, 112 to be cleaned from the outside.
  • the invention relates to a method for interior cleaning of a connection 14, 18 for the supply of fluid and a connection 14, 18 for the removal of fluid having fluid tank 12, 112, in which through the connection 14, 18 for the Feeding fluid into the fluid tank 12, 112 primary fluid is introduced.
  • the port (14, 18) for discharging fluid from the fluid tank 12, 112 secondary fluid in the form of fluid contained in the fluid tank 12, 112 and / or primary fluid loaded with such fluid residue or contaminant is used as a secondary fluid dissipated.
  • the primary fluid supplied to the fluid tank 12, 112 is heated to a process temperature which is favorable for the internal cleaning of the fluid tank 12, 112.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning In General (AREA)
EP14163059.0A 2013-04-17 2014-04-01 Procédé, dispositif et utilisation d'un système de turbine pour le nettoyage intérieur d'un réservoir de fluide Not-in-force EP2792425B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013206908.1A DE102013206908A1 (de) 2013-04-17 2013-04-17 Verfahren und Vorrichtung zum Innenreinigen eines Fluidtanks

Publications (2)

Publication Number Publication Date
EP2792425A1 true EP2792425A1 (fr) 2014-10-22
EP2792425B1 EP2792425B1 (fr) 2017-05-31

Family

ID=50424073

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14163059.0A Not-in-force EP2792425B1 (fr) 2013-04-17 2014-04-01 Procédé, dispositif et utilisation d'un système de turbine pour le nettoyage intérieur d'un réservoir de fluide

Country Status (2)

Country Link
EP (1) EP2792425B1 (fr)
DE (1) DE102013206908A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3213711A1 (de) * 1982-04-14 1983-10-27 Manfred Dr. 2104 Hamburg Nitsche Verfahren zur reinigung von behaeltern von brennbaren fluechtigen oder verdampfbaren stoffen
CA2184285C (fr) * 1994-12-30 1999-04-20 Einar Brendeng Procede de vidange d'un reservoir et installation a cet effet
DE202009016441U1 (de) * 2009-04-17 2010-04-29 Endegs Gmbh System zur Entfernung von Flüssigkeiten und/oder Gasen
DE102011003972A1 (de) * 2011-02-11 2012-08-16 Endegs Gmbh System und Verfahren zum Entgasen einer Lager- und/oder Transporteinrichtung für Feststoffe, Flüssigkeiten und/oder Gase
DE102011001374A1 (de) * 2011-03-17 2012-09-20 Deutsches Zentrum für Luft- und Raumfahrt e.V. Verfahren und Vorrichtung zur Reinigung eines schadstoffhaltigen Fluids

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT395951B (de) * 1991-02-19 1993-04-26 Union Ind Compr Gase Gmbh Reinigung von werkstuecken mit organischen rueckstaenden
US5377723A (en) * 1993-09-03 1995-01-03 Henry T. Hilliard, Jr. Method and apparatus for venting a storage vessel
DE4423188C2 (de) * 1994-07-01 1999-03-11 Linde Ag Reinigung von Druckgasbehältern
TW446800B (en) * 1998-12-18 2001-07-21 Exxon Production Research Co Process for unloading pressurized liquefied natural gas from containers
DE10247511A1 (de) * 2002-10-11 2004-04-22 Linde Ag Verfahren zum Entleeren eines Behälters
JP5099326B2 (ja) * 2007-08-31 2012-12-19 農工大ティー・エル・オー株式会社 揮発性有機化合物の排出、回収、処理方法、タンクコンテナ内の洗浄処理方法及びタンクコンテナ内の洗浄処理装置表示具保持装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3213711A1 (de) * 1982-04-14 1983-10-27 Manfred Dr. 2104 Hamburg Nitsche Verfahren zur reinigung von behaeltern von brennbaren fluechtigen oder verdampfbaren stoffen
CA2184285C (fr) * 1994-12-30 1999-04-20 Einar Brendeng Procede de vidange d'un reservoir et installation a cet effet
DE202009016441U1 (de) * 2009-04-17 2010-04-29 Endegs Gmbh System zur Entfernung von Flüssigkeiten und/oder Gasen
DE102011003972A1 (de) * 2011-02-11 2012-08-16 Endegs Gmbh System und Verfahren zum Entgasen einer Lager- und/oder Transporteinrichtung für Feststoffe, Flüssigkeiten und/oder Gase
DE102011001374A1 (de) * 2011-03-17 2012-09-20 Deutsches Zentrum für Luft- und Raumfahrt e.V. Verfahren und Vorrichtung zur Reinigung eines schadstoffhaltigen Fluids

Also Published As

Publication number Publication date
EP2792425B1 (fr) 2017-05-31
DE102013206908A1 (de) 2014-10-23

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