EP0375532B1 - 2-Wege-Ventil zum Stromabwärts-Einbau in einer molchfähigen Flüssigkeitsverteilungsleitung - Google Patents

2-Wege-Ventil zum Stromabwärts-Einbau in einer molchfähigen Flüssigkeitsverteilungsleitung Download PDF

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Publication number
EP0375532B1
EP0375532B1 EP89403527A EP89403527A EP0375532B1 EP 0375532 B1 EP0375532 B1 EP 0375532B1 EP 89403527 A EP89403527 A EP 89403527A EP 89403527 A EP89403527 A EP 89403527A EP 0375532 B1 EP0375532 B1 EP 0375532B1
Authority
EP
European Patent Office
Prior art keywords
abutment member
sleeve
vertical tube
valve according
sliding sleeve
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.)
Expired - Lifetime
Application number
EP89403527A
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English (en)
French (fr)
Other versions
EP0375532A1 (de
Inventor
Eugène Le Devehat
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.)
John Bean Technologies NV
FMC Technologies SAS
Original Assignee
FMC Europe NV
FMC Europe SA
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 FMC Europe NV, FMC Europe SA filed Critical FMC Europe NV
Publication of EP0375532A1 publication Critical patent/EP0375532A1/de
Application granted granted Critical
Publication of EP0375532B1 publication Critical patent/EP0375532B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D3/00—Arrangements for supervising or controlling working operations
    • F17D3/03—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of several different products following one another in the same conduit, e.g. for switching from one receiving tank to another
    • F17D3/08—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of several different products following one another in the same conduit, e.g. for switching from one receiving tank to another the different products being separated by "go-devils", e.g. spheres
    • 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
    • Y10T137/4238—With cleaner, lubrication added to fluid or liquid sealing at valve interface
    • Y10T137/4245—Cleaning or steam sterilizing
    • Y10T137/4273—Mechanical cleaning

Definitions

  • the invention relates to a two-way valve intended to be mounted downstream of a liquid distribution pipe, at the free end of a dip tube, in particular for the discharge of a liquid such as oil or petroleum product in a tank or cistern.
  • the captive nature of the sensors means that they are prevented from leaving the pipe freely; it is therefore necessary to provide in the downstream valves of this pipe, a stop for such a scraper capable of allowing a flow of liquid while avoiding the dragging of the scraper by said liquid.
  • the invention aims to overcome the aforementioned drawbacks by making the abutment mobile, which hitherto was fixed, and by subjecting the sliding shutter sleeve to this movable abutment: this makes it possible to establish a security which, as required, tends automatically keep the valve open or closed in the presence of a liquid pressure applying against the movable stop.
  • the invention proposes a two-way valve for a scrapable liquid distribution pipe, comprising a dip tube in which is engaged an abutment piece adapted to receive a scraper in abutment and into which opens an injection orifice for discharge pressure, an annular slot formed through this dip tube upstream of this stop piece and a sliding shutter sleeve movable longitudinally under the action of a control device between a closed configuration in which the sleeve closes the annular slot and an opening configuration in which the sleeve leaves at least partially clear the annular slot, characterized in that the abutment piece is axially movable and is integral with said sleeve in this abutment piece.
  • This valve comprises a dip tube 2 in which is disposed a stop piece 3, which completely seals the passage section of this dip tube 2, and which is adapted to receive a scraper 4 in stop.
  • This stop piece 3 advantageously comprises a bowl 5 shaped so as to marry, in a complementary manner, an end portion 4A of the scraper.
  • annular slot 6, here discontinuous intended to allow a crossing by peripheral bypass of the stop piece 3 by a liquid flowing in the dip tube.
  • a cylindrical sleeve 7 is slidably mounted along the dip tube so as to be able, as desired, to close off (FIG. 5) or, on the contrary, disengage (FIG. 1) the discontinuous annular slot 6.
  • This sliding cylindrical sleeve is here integral with a cylindrical confinement piece 8 which extends from the sleeve to beyond axially from the stop piece 3 so as to ensure a radial confinement of the liquid passing through peripheral bypass the stop piece 3.
  • the cylindrical confinement piece 8 extends upstream around the dip tube 2 beyond a flange 11 secured to the outer wall of the dip tube, and adapted to constitute a stop for the sliding cylindrical sleeve 7.
  • This cylindrical piece has at its upstream end an annular flange 12 suitable for sealingly confining, with the collar 11 and the walls of the dip tube 2 and of this cylindrical part 8, an annular space 13 of variable volume.
  • the sliding sleeve 7 determines downstream of this flange 11 an annular space 14 whose axial dimension varies in opposite direction to the axial dimension of the annular space 13.
  • Injection nozzles 15 and 16 formed respectively in the annular flange 12 and in the sliding sleeve 7, are adapted to be connected to a pressure source, alternately, so as to, as in a double-acting cylinder, enlarge at choice either annular space 13 or annular space 14.
  • an injection orifice 17 also suitable for being connected to a pressure source, not shown, is provided to allow injection of pressurized fluid through the bottom of the bowl 5 of the stop piece 3.
  • one 10A of the radial fingers ensuring the connection of the stop piece 3 to the cylindrical confinement piece 8 is hollow so as to allow the injection orifice 17 to be placed in communication with an orifice 18, here axially disposed, which opens into the bowl 5 of said abutment part 3.
  • a non-return valve 19 is provided between the injection orifice 17 and the bowl 5 of said abutment piece 3 so as to prevent any flow of liquid towards the injection orifice 17.
  • the stop piece 3 is arranged downstream of the discontinuous annular slot 6 by a sufficient distance to allow a scraper 4 to come into abutment against this stop piece without hampering the penetration of the flow into the discontinuous annular slot.
  • the scraper 4 here has a rear end piece 4B which, like the front end piece 4A, has a frustoconical shape, which ensures very good deflection of the flow towards this discontinuous annular slot.
  • annular spaces is maximum while the other is minimum, that is to say of zero axial dimension.
  • the relative movement between the dip tube 2 and the mobile assembly 3 + 8 + 7 assumes that the air or the fluid contained in that of the annular spaces 13 or 14 which decreases can escape: in the configuration of FIG. 1, free exhaust is allowed through port 16, while in the configuration of Figure 5, free exhaust is allowed through port 15.
  • a principle of operation similar to that of a double-acting cylinder.
  • Figure 4 corresponds to an intermediate configuration between those of Figures 1 and 5, that is to say that none of the annular spaces 13 or 14 is reduced to a zero axial dimension.
  • a pressurized fluid such as compressed air, is applied both to each of the annular spaces 13 and 14 (see the blackened triangles shown in FIG. 4 near the orifices 15 and 16).
  • the cylindrical shutter sleeve 7 partially seals the discontinuous annular slot 6 which allows the abutment part 3 to be crossed by bypassing with a flow rate lower than the maximum flow rate authorized by this valve 1.
  • valve 1, shown in Figures 1 to 5 is of the type with automatic closing safety. Indeed, in the absence of any pressure applied in any of the annular spaces 13 and 14, without it being useful to involve any elastic return, a flow rate from top to bottom in the dip tube 2 exerts a lowering pressure on the stop piece 3 which will spontaneously induce, by the mere fact of the presence of a liquid pressure upstream of this stop piece, an overall downward movement of parts 3 and 8, and therefore of the sliding sleeve d obturation 7. A flow of the fluid is therefore only possible provided that an appropriate pressure actually reaches the annular space 13; any failure occurring in the supply circuit of this annular space 13 results in closing of the valve.
  • a scraper 4 is in abutment against the abutment piece 3.
  • a fluid under pressure is injected by l orifice 17, in channel 18, which has the effect of propelling the scraper (s) upstream.
  • an injection orifice 20 is formed in the cylindrical shutter sleeve 7 thanks to which it is possible to control a delivery upstream of the only scraper 4 ′.
  • FIGS. 6 to 8 represent a valve 1 ′ which differs from that of FIGS. 1 to 5 in that the existence of a liquid pressure upstream of the stop piece 3 ′ spontaneously tends to clear the annular slot 6 ′ ( here continues) and thus allow a crossing by bypassing this stop piece (safety in automatic opening)
  • the sliding shutter sleeve 7 ′ slides internally in a downstream tubular section 30 in which slides the stop piece 3 ′; this sleeve 7 ′ constitutes an axial extension of the abutment piece around the bowl 5 ′, the internal diameter of which is equal to the internal diameter of the dip tube 2 ′ (the internal diameter of the tubular portion is therefore greater than that of this dip tube).
  • the cylindrical confinement wall 8 ′ is fixed relative to the dip tube and is kept apart from the tubular portion 30 by radial fingers 10 ′ fixed.
  • the abutment piece 3 ′ is extended axially opposite the closure sleeve 7 ′ by a tubular portion 31 of smaller diameter defining a channel 18 ′ opening into the bowl 5 ′.
  • This tubular portion slides in leaktight fashion in a cylindrical housing 32 formed in a fixed part 33 integral with the tubular section 30.
  • This cylindrical housing 32 communicates with an orifice 17 ′ for injecting pressurized fluid suitable for being connected to a pressure source not shown.
  • a non-return valve 19 ′ is provided to prevent any backflow of liquid from the channel 18 ′ towards the orifice 17 ′.
  • the fixed part 33 comprises a cylinder 34 bordering the cylindrical housing 32 and along which a crown 35 is slidably mounted in a radially sealed manner between this cylinder and the cylindrical section 30.
  • a retaining flange 36 is formed in radial projection at the end upstream of the cylinder 34 whereby the crown 35 does not risk escaping beyond the cylinder.
  • a groove 35A is provided at the periphery of this ring so as to maintain this orifice 38 in communication with the annular space 39 formed between this ring and the piece of stop regardless of the position of this crown.
  • Valve 1 ′ is open ( Figure 7).
  • the sleeve 7 extends further upstream while lights are formed in this sleeve so as to come opposite the slot 6' in the configuration of Figure 6 and below that -ci in the configuration of Figure 7: we find the same type of security with the valve 1, that is to say that the pressure of a possible liquid in the dip tube 2 'normally tends to close the 6 ′ annular slot.
  • FIG. 9 illustrates a simplified variant of the valve 1 ′. It represents a valve 1 ⁇ which differs from this valve 1 ′ by the elimination of the crown 35 (the other elements being assigned a "second" index).
  • a possible intermediate position of the type of FIG. 8 is obtained by the appropriate choice of a quantity of fluid introduced into the annular space 39 ⁇ (this fluid is then advantageously a liquid with little or no compressibility such as oil).
  • FIGS 10 to 14 show an example of application of any of the valves of Figures 1 to 9. For the rest we will refer to valve 1, but it will be understood that it can be replaced if necessary one of the 1 ′ or 1 ⁇ valves.
  • This valve 1 is mounted downstream of a scrapable distribution pipe 50 and is engaged in the supply orifice 52 of a tank 51.
  • This pipe 50 comes for example from a tank (not shown) and includes a valve upstream 53 three-way ball valve (of the type described in a parallel request of the same day) in which, at rest, two scrapers 4 and 4 ′ are normally stored.
  • This pipe comprises an articulated section 54 adapted, as necessary, to connect the downstream section of the pipe 50, to another upstream section connected to another tank through another three-way valve (not shown).
  • valve 53 has been opened, and the liquid flows towards the valve 1, by propelling the scraper 4 which expels the air downstream and prevents its mixing with the liquid.
  • the scraper 4 is in abutment in the valve 1, which is in the open configuration of FIG. 1, so that the liquid flows from the valve into the tank which begins to fill.
  • a discharge pressure is then injected, through the orifice 17 in FIG. 1, so as to bring the scrapers 4 and 4 ′ back into the valve 53.
  • Line 50 is then ready for dispensing a new liquid.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cleaning In General (AREA)
  • Multiple-Way Valves (AREA)
  • Pipeline Systems (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)
  • Feeding And Controlling Fuel (AREA)

Claims (11)

  1. Zweiwegeventil für eine räumbare Leitung zur Flüssigkeitsverteilung, umfassend ein Tauchrohr (2; 2' + 30; 2'' + 30''), in das ein Anschlagsteil (3, 3', 3'') eingesetzt ist, das ein Räumorgan (4) in Anschlag aufnehmen kann und in das eine Förderdruckeintrittsöffnung (18, 18', 18'') mündet, einen ringförmigen Spalt (6, 6', 6''), der in Strömungzrichtung vor dem Anschlagsteil im Tauchrohr vorgesehen ist, und eine verschiebbare Verschlußmuffe (7, 7', 7''), die unter der Einwirkung einer Steuervorrichtung (15, 16; 37, 38; 38'') zwischen einer Verschlußkonfiguration, in der die Muffe den ringförmigen Spalt verschließt, und einer Öffnungzkonfiguration, in der die Muffe den ringförmigen Spalt wenigstens zum Teil offenläßt, in Längsrichtung beweglich ist, dadurch gekennzeichnet, daß das Anschlagsteil (3, 3', 3'') axial beweglich ist und mit der Muffe fest verbunden ist, und zwar in diesem Anschlagsteil.
  2. Ventil nach Anspruch 1, dadurch gekennzeichnet, daß das Anschlagsteil in der Konfiguration, in der der ringförmige Spalt durch die verschiebbare Muffe geöffnet ist, in Strömungsrichtung weiter aufwärts als in der Verschlußkonfiguration in einem so großen Abstand von dem ringförmigen Spalt ist, daß ein Räumorgan in Anschlag kommen kann, ohne daß es dadurch diesen Spalt verschließt.
  3. Ventil nach Anspruch 2, dadurch gekennzeichnet, daß die verschiebbare Muffe (7) außen auf dem Tauchrohr (2) gleitet, indem sie mit einem das Anschlagsteil umgebenden zylindrischen Einschlußteil (8) fest verbunden ist, das seinerseits mit dem Anschlagsteil (3) fest verbunden ist.
  4. Ventil nach Anspruch 3, dadurch gekennzeichnet, daß die verschiebbare Muffe auf der Innenwand des zylindrisches Einschlußteils feststehend ist, während dieses in Strömungsrichtung weiter abwärts mit dem Anschlagsteil durch radiale Daumen (10) verbunden ist, die das Tauchrohr in Längsöffnungen (9) durchqueren.
  5. Ventil nach Anspruch 3 oder 4, dadurch gekennzeichnet, daß das zylindrische Einschlußteil (8) in Strömungsrichtung vor der verschiebbaren Muffe (7) einen ringförmigen Flansch (12) umfaßt, der auf dem Tauchrohr dicht gleitet, während dieses außen einen Ring (11) trägt, der radial zwischen dem zylindrischen Einschlußteil (8) und dem Tauchrohr und axial zwischen diesem Flansch (12) und dieser verschiebbaren Muffe (7) zwei dichte Kammern (13, 14) mit in einander entgegengesetzter Richtung veränderlichen Volumen abgrenzt, wobei die Steuervorrichtung Druckfluideintritts/austrittsöffnungen (15, 16) aufweist, die jeweilig in jede dieser Kammern münden.
  6. Ventil nach Anspruch 5, dadurch gekennzeichnet, daß die Druckfluideintrittsöffnungen (15, 16) den Flansch (12) bzw. die verschiebbare Muffe (7) durchqueren.
  7. Ventil nach einem der Ansprüche 2 bis 6, dadurch gekennzeichnet, daß das Anschlagsteil (3) als Mulde ausgebildet ist, die einen Endabschnitt des Räumorgans aufnehmen kann und in deren Boden die Förderdruckeintrittsöffnung (18) mündet.
  8. Ventil nach Anspruch 1, dadurch gekennzeichnet, daß die verschiebbare Muffe (7', 7'') innen in einem ausgangsseitigen rohrförmigen Abschnitt (30) des Tauchrohrs gleitet, indem sie von einer eingangsseitigen Verlängerung dieses Anschlagsteils gebildet ist und einen Innendurchmesser besitzt, der gleich dem Innendurchmesser des eingangsseitigen Abschnitts des Tauchrohrs ist, so daß ein Räumorgan an dem Anschlagsteil in Anschlag kommen kann.
  9. Ventil nach Anspruch 8, dadurch gekennzeichnet, daß das Anschlagsteil (3', 3'') in der Konfiguration, in der der ringförmige Spalt durch die verschiebbare Muffe geöffnet ist, in Strömungsrichtung weiter abwärts ist als in Verschlußkonfiguration.
  10. Ventil nach Anspruch 9, dadurch gekennzeichnet, daß das Anschlagsteil ausgangsseitig durch einen rohrförmigen Abschnitt (31, 31'') verlängert ist, der einen im Boden dieses Anschlagsteils ausmündenden Kanal abgrenzt und in einer zylindrischen Aufnahme (32, 32'') eines mit dem ausgangsseitigen rohrförmigen Abschnitt des Tauchrohrs fest verbundenen Teils (33, 33'') dicht gleitet, wobei die Aufnahme mit der Förderdruckeintrittsöffnung in Verbindung ist und wobei die Vorrichtung zum Steuern der verschiebbaren Muffe eine Druckfluideintrittsöffnung (38, 38'') umfaßt, die in Strömungsrichtung dicht hinter dem Anschlagsteil in eine Kammer (39, 39'') mündet.
  11. Ventil nach Anspruch 10, dadurch gekennzeichnet, daß dieses mit dem Tauchrohr fest verbundene Teil (33) um die zylindrische Aufnahme (32) herum einen Zylinder (34) besitzt, der an seinem eingangsseitigen Ende einen radial hervorstehenden Ring (36) besitzt, auf dem ein Kranz (35) dicht verschiebbar montiert ist, der sich radial bis zu dem ausgangsseitigen rohrförmigen Abschnitt des Tauchrohrs erstreckt, so daß er mit dem mit diesem Abschnitt fest verbundenen Teil eine zweite Kammer (40) abgrenzt, in die eine zweite Druckfluideintrittsöffnung (37) mündet.
EP89403527A 1988-12-20 1989-12-18 2-Wege-Ventil zum Stromabwärts-Einbau in einer molchfähigen Flüssigkeitsverteilungsleitung Expired - Lifetime EP0375532B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8816845A FR2640717B1 (fr) 1988-12-20 1988-12-20 Vanne a deux voies destinee a etre montee en aval d'une conduite raclable de distribution de fluide
FR8816845 1988-12-20

Publications (2)

Publication Number Publication Date
EP0375532A1 EP0375532A1 (de) 1990-06-27
EP0375532B1 true EP0375532B1 (de) 1994-05-25

Family

ID=9373193

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89403527A Expired - Lifetime EP0375532B1 (de) 1988-12-20 1989-12-18 2-Wege-Ventil zum Stromabwärts-Einbau in einer molchfähigen Flüssigkeitsverteilungsleitung

Country Status (6)

Country Link
US (1) US5035256A (de)
EP (1) EP0375532B1 (de)
JP (1) JPH06104228B2 (de)
AT (1) ATE106125T1 (de)
DE (1) DE68915521D1 (de)
FR (1) FR2640717B1 (de)

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US5101713A (en) * 1991-03-27 1992-04-07 The Coca-Cola Company Apparatus and method for aseptically reconstituting beverages
FR2678345B1 (fr) * 1991-06-27 1993-10-29 Fmc Europe Vanne raclable a troies voies, du type a papillon.
ES2139208T3 (es) * 1994-06-03 2000-02-01 Tuchenhagen Gmbh Estacion de limpieza de tuberias por el sistema de salamandra, que puede a su vez ser limpiada.
US6029302A (en) * 1995-05-12 2000-02-29 Tuchenhagen Gmbh Cleanable scraper station
FR2769069A1 (fr) 1997-09-30 1999-04-02 Pierre Carbenay Procede de transfert de fluides sous pression entre deux tuyaux et raccord utilise pour sa mise en oeuvre
FR2821914B1 (fr) * 2001-03-08 2004-02-20 Abb Cellier Sa Vanne
AU2003225645A1 (en) * 2002-03-01 2003-09-16 Engineered Machined Products, Inc. A fluid valve
SI1890823T1 (sl) * 2005-05-06 2013-12-31 Dieter Wurz Pršilna šoba, pršilni sestav in postopek za obratovanje pršilne šobe in pršilnega sestava
US20080245893A1 (en) * 2006-11-21 2008-10-09 Hiebert Jacob F Self-cleaning sprinkler
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US20110254228A1 (en) * 2011-01-28 2011-10-20 Poole Ventura, Inc. Thermal Chamber
CN112371664B (zh) * 2020-10-20 2021-12-10 泉州台商投资区瑞诚文科技有限公司 一种节水型滴定管清洗装置

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Also Published As

Publication number Publication date
US5035256A (en) 1991-07-30
EP0375532A1 (de) 1990-06-27
JPH06104228B2 (ja) 1994-12-21
FR2640717B1 (fr) 1991-04-05
JPH02218483A (ja) 1990-08-31
FR2640717A1 (fr) 1990-06-22
ATE106125T1 (de) 1994-06-15
DE68915521D1 (de) 1994-06-30

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