EP0233118A1 - Mehrzweck-Abblaseventil - Google Patents

Mehrzweck-Abblaseventil Download PDF

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Publication number
EP0233118A1
EP0233118A1 EP87400253A EP87400253A EP0233118A1 EP 0233118 A1 EP0233118 A1 EP 0233118A1 EP 87400253 A EP87400253 A EP 87400253A EP 87400253 A EP87400253 A EP 87400253A EP 0233118 A1 EP0233118 A1 EP 0233118A1
Authority
EP
European Patent Office
Prior art keywords
valve
seat
circuit
control means
sealing
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
EP87400253A
Other languages
English (en)
French (fr)
Other versions
EP0233118B1 (de
Inventor
Charles Christiany
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.)
Sollac SA
Original Assignee
Lorraine de Laminage Continu SA SOLLAC
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 Lorraine de Laminage Continu SA SOLLAC filed Critical Lorraine de Laminage Continu SA SOLLAC
Publication of EP0233118A1 publication Critical patent/EP0233118A1/de
Application granted granted Critical
Publication of EP0233118B1 publication Critical patent/EP0233118B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C21B7/002—Evacuating and treating of exhaust gases
    • C21B7/005—Bleeder valves or slides
    • 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
    • Y10T137/4259—With separate material addition
    • 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
    • Y10T137/6416—With heating or cooling of the system
    • Y10T137/6579—Circulating fluid in heat exchange relationship
    • 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
    • Y10T137/87917—Flow path with serial valves and/or closures
    • Y10T137/87981—Common actuator
    • Y10T137/87997—Alternately seating

Definitions

  • the object of the present invention is a valve device of the purge and controlled discharge valve type for gaseous fluid circuits.
  • valves for gaseous fluid circuits which, depending on the model, have different functions.
  • these valves have a common characteristic which is to ensure, in one of their positions, the tightness of the circuit on which they are installed, and in another position the more or less controlled and more or less automatic communication of said circuit with the ambient environment or another circuit of different characteristics, in particular of different pressure.
  • valves There are in fact several types of valves that can be grouped according to the relative position of the valve relative to its seat, according to the direction and the trajectory of the valve when the latter opens and also according to the control means.
  • a first group of valves is of the type with internal reach, in which the valve is located inside the circuit with respect to its seat, and opens by moving towards the interior of the circuit.
  • a second group is of the type with external reach, in which the valve is located outside the circuit with respect to its seat, and opens by moving towards the outside.
  • valves An important drawback of these valves is that the flow of gaseous fluid, when said valves open, is mainly limited by the dimension of the passage existing between the seat of the valve and the valve itself, or between the surfaces used for sealing when the valve is closed.
  • valve Another type of valve is distinguished by the fact that the movement of the valve is not straight along the axis of the device, but that the valve is raised by pivoting so as to completely clear the passage of the fluid. This is an improvement in the case of purge operation, but does not solve the problem of limiting the flow of fluid through the sealing surfaces during operation in regulated discharge, the control of the discharge being always ensured by the adjustment of the spacing of the valve and seat sealing surfaces.
  • valve device of the present invention is to reduce or even eliminate the aforementioned drawbacks, and additionally offers advantages which will be described in detail below.
  • a valve device comprises a valve, movable along the axis of the device inside a valve body having a sealing seat on which can bear a bearing of said valve so as to separate sealingly an area located downstream of the device from an area located upstream of said device; it also includes valve control means intended to move and maintain said valve in a determined position.
  • said device also comprises a second seat placed opposite the sealing seat, and the valve is selectively controlled by said control means so that, in addition to the position in which the range of said valve is supported on the sealing seat to seal the device and the circuit on which said device is installed, the valve can be placed in the middle position between the two seats to provide a maximum passage section between the valve and the valve body to purge the circuit, and that in intermediate positions, another bearing of said valve acts in collaboration with the second seat, said valve being held in a position chosen between said middle position and a support position on the second seat, to limit the passage section between the valve and the second seat to regulate the discharge of the circuit.
  • the device can have a vertical axis and the sealing seat can be located on the side of the device furthest from the circuit and be called the upper seat.
  • the second seat is then located on the side of the device closest to the circuit and is called the lower seat.
  • the valve can also be controlled to come to bear on said lower seat, and thus to isolate from the circuit said upper seat.
  • Said valve also has a fourth position called “safety" when it is supported on the lower seat.
  • this valve having a double bearing is intended to separate the various functions which the valve device must fulfill. Indeed, the upper part of the valve and the upper seat are intended only to seal, when the valve is in abutment on said upper seat, and no longer have any functional utility when the valve is in the purge position. or regulated discharge.
  • the cross section of the gaseous fluid is determined by the spacing existing between the lower seat and the valve.
  • the valve being located between its middle position, which leaves an approximately identical passage section at the level of the lower seat and at the level of the upper seat, and its support position on the lower seat, the passage section between the valve and the upper seat is larger than the passage section between the valve and the lower seat.
  • the valve In the purge position, the valve is in the middle position, approximately equidistant from the lower and upper seats, so that the passage section between the valve body and the valve itself is maximum, and the minimum pressure drop during of the gas flow.
  • the so-called "safety" position of the valve that is to say when said valve is in abutment on the lower seat, is not intended to ensure perfect sealing of the circuit, but mainly to allow intervene on the sealing surfaces of the upper seat and the valve, in particular to replace seals, without the maintenance personnel responsible for this intervention being inconvenienced by gas fumes from the circuit.
  • the safety position of the valve is not intended to ensure perfect sealing of the circuit, but mainly to allow intervene on the sealing surfaces of the upper seat and the valve, in particular to replace seals, without the maintenance personnel responsible for this intervention being inconvenienced by gas fumes from the circuit.
  • it can be canceled by the constitution of a water seal at the valve junction -seat.
  • the valve device shown in FIG. 1 comprises a bicone valve 2 comprising two inverted male frustoconical parts 21, 22 and connected at their largest diameters, said valve 2 being movable along the axis of the device between an upper seat 11 and a lower seat 12 of a valve body 1.
  • Said seats 11, 12 are also frustoconical, of conicity substantially identical to the conicity of the corresponding frustoconical parts 21, 22 of the valve 2, and also connected at their largest diameter.
  • the frustoconical parts 21, 22 of the valve 2 are, in the device shown in Figure 1, connected by a cylindrical part; similarly the frustoconical seats 11, 12 are connected by a cylindrical part.
  • the dimensions and shapes of the various constituent parts of the valve 2 and of the valve body 1 are determined so as to ensure a sufficient passage cross-section, with regard to the circuit where the device is installed, between the valve body 1 and the valve 2 when it is in the purge position.
  • This passage section is preferably at least equal to the connection section of the valve device on the circuit, so as not to create a limitation of the flow in the body of the device.
  • valve body 1 and of the bicone valve 2 are determined so as to present the lowest possible pressure drops to facilitate the ejection of the gaseous fluid to be discharged.
  • the valve body 1 is made in two parts.
  • the part closest to the circuit where the valve device is installed is connected to said circuit by connecting means ensuring sealing, for example by flange and seals.
  • This part consists mainly of the lower seat 12 and the cylindrical part of the valve body 1.
  • the second part consists of the upper seat 11 which is tightly connected by a flange 3 to the valve body 1 whose internal dimensions at the level of this flange 3 are such that they allow the passage of the valve 2 during its installation or its removal.
  • the valve device also comprises control means intended to ensure the translation along the axis of the device and the positioning of the valve 2.
  • Said control means consist of a fixed part connected to the valve body 1 by a support 8, and another movable part along the axis of the device and connected to the valve 2.
  • Said control means can be of various natures, and moved by various energies.
  • a particular embodiment consists in using a hydroelectric group 4, which is supported by a tripod bracket 5 rigidly fixed to the valve body 1.
  • a particularly advantageous embodiment consists in that the connections of the control group 4 with the support 8 on the one hand, and with the valve 2 on the other hand are articulated and arranged so that their axes of articulation are orthogonal to each other and to the axis of the device.
  • This arrangement gives a certain freedom of movement of the valve relative to the axis of the device and allows its self-centering on the lower and upper seats 11, 12, thus improving the contact and therefore the sealing between the valve 2 and said seats 11, 12.
  • the valve 2 In order to guide the flow of gaseous fluid when the valve 2 is in the regulated purge or discharge position, and also to protect the control means, it is provided on the valve 2 and on the support 8 of the deflector skirts 6, 7.
  • One of these deflector skirts 7 is fixed on the valve 2 ; the other skirt 6 is fixed on the tripod bracket 5, and is constituted so as to slide in the skirt 7 fixed on the valve 2 when said valve is operated by the control means 4.
  • the set of deflector skirts is made of so that, whatever the position of the valve 2, there is always at least one protective wall of said skirts between the control means and the fluid.
  • said skirts so as to be able to ventilate and cool the space located inside the valve 2 and said skirts by means of forced ventilation. This ventilation reinforces the thermal protection of the control group.
  • the upper seat 11 may be provided with protective means.
  • An embodiment of an upper seat is shown in section in FIG. 2.
  • the seat of the upper seat 11 is provided with two seals 15 held in annular grooves 14 produced in the bearing surface of said upper seat 11. It is also possible to have one or more seals in this way.
  • the annular grooves 14 have a cross section such that the seals 15 which are placed in said grooves are firmly held and that these seals 15 protrude sufficiently from the bearing surface of the upper seat 11 to receive the support of the frustoconical part 21 of the valve 2 in sealing position.
  • annular cooled chamber 17 is provided at its periphery, of which the bearing face of the upper seat 11 constitutes a wall, and in which a cooling fluid can circulate.
  • the upper seat also comprises, at the periphery of the cooled chamber 17, another annular chamber called the injection chamber 18.
  • This injection chamber 18 is connected, by injection nozzles 13, to the range of the upper seat 11 and to an ejection chamber 16.
  • This ejection chamber 16 consists of an annular recess provided at the level of the internal circumference of the joint plane between the valve body 1 and the flange 3.
  • the injection nozzles 13 consist of portions of tubes sealingly passing through the cooled chamber 17 and are distributed over the entire periphery of the upper seat 11.
  • Cleaning plugs 20 are provided, in accordance with the position of the injection nozzles 13 in order to allow access to the interior of said nozzles for cleaning and possibly unblocking their orifice opening onto the seat of the upper seat 11 or in the ejection chamber 16.
  • the set of injection means comprising the injection chamber 18, the injection nozzles 13 and the ejection chamber 16 serves to inject an ejector fluid, for example air or vapor or nitrogen, as soon as the valve s' away from the upper seat.
  • an ejector fluid for example air or vapor or nitrogen
  • ejector fluid is intended, in collaboration with the shapes of the upper seat 11 to avoid fouling of the surfaces and wear by abrasion and to protect the seals. Indeed, the ejector fluid will on the one hand clean the scope of any deposits that may be deposited there, and on the other hand, create, thanks to the ejection chamber 16, a clean "fluid” mattress “ “preventing the gaseous fluid passing through the valve device from coming into contact with the seat of the upper seat 11.
  • valve device which is the subject of the invention has numerous advantages, both in terms of operation and of its production.
  • the separation of the sealing and regulated discharge functions is a important factor in the longevity of the device and better sealing performance.
  • the replacement of the seals can be done under undeniable safety conditions when the valve is in the "safety" position. This intervention is possible even if the circuit is under pressure, thanks to the possibility of constituting a water seal, and by performing an appropriate setting of the valve.
  • valve device with easily removable modular elements, makes its realization and installation easy and low cost.
  • size perpendicular to the axis of the device can be practically reduced to the circumference of the valve body, without elements extending beyond this circumference.
  • the adaptation of various control means is particularly simple, as is the adaptation of the device to various applications according to the characteristics of the fluid circuit.
  • the constituent materials of the body 1, of the bicone valve 2, of the upper sealing seat 11, of the skirts 6, 7 can be of various natures such as: welded steel, cast steel, cast iron, alloys, composite materials or other materials.
  • the cooling of the valve and of the upper seat as well as the protection by ejector fluid can be adapted to different uses by those skilled in the art while remaining within the scope of the invention.
  • the valve device can find numerous applications in all industries using gaseous fluid circuits such as gas networks, steam, etc.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Lift Valve (AREA)
EP87400253A 1986-02-07 1987-02-04 Mehrzweck-Abblaseventil Expired - Lifetime EP0233118B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8601725 1986-02-07
FR8601725A FR2594203B1 (fr) 1986-02-07 1986-02-07 Clapet de purge multifonctions

Publications (2)

Publication Number Publication Date
EP0233118A1 true EP0233118A1 (de) 1987-08-19
EP0233118B1 EP0233118B1 (de) 1991-07-03

Family

ID=9331933

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87400253A Expired - Lifetime EP0233118B1 (de) 1986-02-07 1987-02-04 Mehrzweck-Abblaseventil

Country Status (6)

Country Link
US (1) US4796665A (de)
EP (1) EP0233118B1 (de)
JP (1) JPS62184279A (de)
DE (1) DE3771084D1 (de)
ES (1) ES2024527B3 (de)
FR (1) FR2594203B1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016123331A1 (en) 2015-01-28 2016-08-04 Green Drain Inc. Sliding skirt valve
CN106931176B (zh) * 2017-02-28 2022-11-22 中冶华天南京工程技术有限公司 高炉用伸缩开启放散阀

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB436684A (en) * 1934-08-01 1935-10-16 Cockburns Ltd Improvements in stop valves
US2195866A (en) * 1939-07-26 1940-04-02 Clarick Mike Le Blast furnace
FR917467A (fr) * 1944-11-16 1947-01-08 Usines De Louis De Roll S A So Tiroir annulaire
CH516758A (de) * 1971-01-18 1971-12-15 Rickenbach Hugo Schnellschlussventil
DE3102784A1 (de) * 1981-01-28 1982-08-26 Interatom Internationale Atomreaktorbau Gmbh, 5060 Bergisch Gladbach "ventil fuer heissgas-rohrleitungen"

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1835020A (en) * 1930-05-27 1931-12-08 Forest George W De Gauge valve
US2111858A (en) * 1936-04-20 1938-03-22 Oluf F Jensen Automatic oiler
US3090593A (en) * 1958-12-18 1963-05-21 Air Placement Equipment Compan Shut-off valve for cementitious pressure vessels
CH389994A (de) * 1962-01-29 1965-03-31 Saurer Ag Adolph Drehzahlregulierung für mit flüssigem Brennstoff betriebene Gasturbinenanlage
GB1594820A (en) * 1976-12-20 1981-08-05 Mittelmann Gmbh & Co Kg Sealable container for a flowablematerial
DE2916311C2 (de) * 1979-04-23 1981-04-23 Beth GmbH, 2400 Lübeck Tellerventil, insbesondere zum Einbau in Rohrleitungssysteme von Entstaubungsanlagen
DE3238059A1 (de) * 1982-10-14 1984-04-19 Claudius Peters Ag, 2000 Hamburg Absperranordnung fuer eine foerderleitung fuer schleissendes, feststoffhaltiges medium

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB436684A (en) * 1934-08-01 1935-10-16 Cockburns Ltd Improvements in stop valves
US2195866A (en) * 1939-07-26 1940-04-02 Clarick Mike Le Blast furnace
FR917467A (fr) * 1944-11-16 1947-01-08 Usines De Louis De Roll S A So Tiroir annulaire
CH516758A (de) * 1971-01-18 1971-12-15 Rickenbach Hugo Schnellschlussventil
DE3102784A1 (de) * 1981-01-28 1982-08-26 Interatom Internationale Atomreaktorbau Gmbh, 5060 Bergisch Gladbach "ventil fuer heissgas-rohrleitungen"

Also Published As

Publication number Publication date
US4796665A (en) 1989-01-10
FR2594203B1 (fr) 1988-06-03
ES2024527B3 (es) 1992-03-01
JPS62184279A (ja) 1987-08-12
DE3771084D1 (de) 1991-08-08
EP0233118B1 (de) 1991-07-03
FR2594203A1 (fr) 1987-08-14

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