EP1534613A2 - Couvercle de recipient ou de bride - Google Patents

Couvercle de recipient ou de bride

Info

Publication number
EP1534613A2
EP1534613A2 EP03750496A EP03750496A EP1534613A2 EP 1534613 A2 EP1534613 A2 EP 1534613A2 EP 03750496 A EP03750496 A EP 03750496A EP 03750496 A EP03750496 A EP 03750496A EP 1534613 A2 EP1534613 A2 EP 1534613A2
Authority
EP
European Patent Office
Prior art keywords
container
flange
connection
opening
flange cover
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.)
Withdrawn
Application number
EP03750496A
Other languages
German (de)
English (en)
Inventor
Jens EYBÄCHER
Thomas Kopp
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.)
Orion Tankmess System & Service GmbH
Vega Grieshaber KG
Original Assignee
Orion Tankmess System & Service GmbH
Vega Grieshaber KG
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 Orion Tankmess System & Service GmbH, Vega Grieshaber KG filed Critical Orion Tankmess System & Service GmbH
Publication of EP1534613A2 publication Critical patent/EP1534613A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/10—Manholes; Inspection openings; Covers therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/48—Arrangements of indicating or measuring devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/284—Electromagnetic waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/296—Acoustic waves

Definitions

  • the present invention relates generally to a container or flange lid with which an access opening of a container can be closed.
  • the invention relates to a container with an access opening to the container interior.
  • the access opening must be closed with a container or flange lid.
  • Various process or measurement variables are to be determined inside the container, for which purpose appropriate measuring probes are used.
  • Container or flange lids of the type in question here are designed, for example, for tanks (for example storage tanks, ballast water tanks, fresh water tanks, etc.) which are intended for installation in ships, for example cargo tankers. However, they can also be used on storage tanks, silos, containers or in general containers that are installed fixed on land or are designed for transport by plane, train, truck or ship. In summary, in the present case all containers are to be subsumed under the term container which serve to hold a filling material and which have at least one container opening which is to be closed by a container or flange cover.
  • the filling material can be a bulk material or a liquid. Mixtures of these are also subsumed under the term product.
  • any component that serves to close a container opening can be referred to as a container lid.
  • the component can be designed, for example, as a circular disk or can also be square.
  • other floor plans are also conceivable.
  • the outline of a container lid can of course be adapted to a somehow shaped cross-sectional contour of a container opening.
  • Example forms for such floor plans Container openings are rectangular or generally polygonal.
  • a container lid is usually hinged to the container.
  • a flange cover is basically comparable to a container cover of the type mentioned above. However, it is provided here that this is not mounted on the container by means of a hinge, but is to be detachably attached to the container opening by means of screws or clamps to be released. Alternatively, a flange lid may also need to be welded to it after it is placed on the container opening. Basically, a flange cover therefore has a support area which comes into contact with a corresponding counterpart at the container opening. According to a first alternative, the flange lid is then to be screwed to the counter flange at the container opening via holes in the flange lid and thereby insertable screws or bolts.
  • slots are provided on the flange cover, into which clamping bolts, which are pivotably mounted on the counter flange at the container opening, are to be introduced, so that both flanges are releasably pressed against one another.
  • a flange cover provides that the flange cover and a counter flange each have a shoulder on the container opening, to which a plurality of clamps can be attached while holding the two components together.
  • US Pat. No. 5,992,231 discloses a container with a flange lid, on which a device for measuring properties of a liquid is arranged in the container.
  • a measuring electrode of the device extends through an opening in the flange lid into the interior of the container.
  • a probe for monitoring liquid which comprises a probe electrode reaching into the interior of the container, sits here in an upper part of the container.
  • the probe itself is to be protected from the ingress of a medium from the container and has a special housing design for this.
  • the probe is arranged centrally on an opening in the container and screwed to the container via a flange.
  • the probe electrode in turn extends through an opening in the upper part of the container into the interior of the container. Comparable container designs with a probe are shown in DE 41 18 715 AI and US 5,661,251.
  • the container has a container dome with a dome-shaped flange cover placed thereon.
  • a filling device is integrated into the flange cover or in the dome, which consists of a lock and an actuating device arranged next to it.
  • a venting device is attached to the lid, which is formed by a check valve and a quick disconnect coupling.
  • an inerting system is attached to the flange cover, which comprises a check valve, which in turn is connected to the interior of the container via a quick disconnect coupling. Outside the flange cover, the inerting system is connected to a maneuver vacuum meter. This shows the respective pressure status inside the container.
  • the Various flange cover openings are designed for connecting cables or for introducing and removing foreign substances.
  • the filling speed is slowed down, for example, by a control, for example by filling pumps being operated more slowly.
  • a control for example by filling pumps being operated more slowly.
  • the pumps are switched off completely, as this represents the maximum filling limit. If a maximum pressure is reached during the filling process, the filling is stopped immediately for safety reasons.
  • a tank table for the alarm, low-level and hand bearing it may be necessary, particularly for cargo tankers, to create a tank table for the alarm, low-level and hand bearing. This requires at least three measuring points.
  • correction tables In order to compare a continuous ullage measurement with a hand bearing, correction tables have to be calculated or a correction factor has to be calculated.
  • the hand bearing is carried out with a measuring tape, whereby a depth dl is determined.
  • a depth d2 is determined by means of a fill level limit detection, and a depth d3 is determined by the ullage measurement. It should be mentioned here that with an ullage measurement, the value is recorded, how much can still fit in the tank and not what is already included.
  • measuring probes that are commercially available per se. There are, for example, radar level gauges with which continuous level detection is possible. Pressure measuring sensors are also known which determine the pressure in a tank in relation to the external pressure. Temperature sensors are also available, which the Measure the temperature in the tank or the product. The point level detection is often carried out by ultrasonic measuring probes, vibration measuring probes or capacitive measuring probes. With regard to measuring probes of the aforementioned type, reference is made, for example, to the products from VEGA Grieshaber KG / Germany.
  • openings or bores or generally through openings on the container must be available. So far, these are in a wide variety of places, so that handling and attaching as well as sealing the individual openings is problematic.
  • a flange cover for closing an opening of a container for receiving a filling material having an inside that faces the filling material when the flange cover is in the state of the container opening.
  • the inside faces an outside.
  • the flange cover also has a plurality of through openings which extend from the outside to the inside of the flange cover and are each designed to accommodate a measuring probe. These through openings allow access to the inside of the container and to the contents therein.
  • each of the through openings is designed to receive a measuring probe with a process connection, the process connection being selected from the group consisting of an external thread, flange, pipe connection connection and clamp connection.
  • a further exemplary embodiment of the present invention provides that at least one of the through openings is equipped with an internal thread which is designed in the through opening for fastening a measuring probe which has a process connection in the form of an external thread. This enables simple fastening in the through opening by screwing a measuring probe in and out, which is then also positioned ready for measurement in the through opening. Any necessary sealing can be achieved in a manner known per se.
  • fastening elements are provided which are used to fasten a measuring probe, which has a process connection in the form of a flange, in the through opening.
  • Fastening elements can be holes, for example, which are used to hold screws or bolts.
  • the fastening elements are blind holes with an internal thread in the flange cover.
  • an attachment for a clamp connection is provided at least on one end of one of the through openings, which is designed for attaching a measuring probe which has a process connection in the form of a clamp connection is.
  • Such training provides, for example before that a fastening piece around the opening of the container is formed with an extension which can be combined with the extension of the flange cover, so that the two extensions and thus the measuring probe can be clamped onto the flange cover using clamps.
  • a seal can also be introduced between the two components which are releasably clamped to one another.
  • an exemplary embodiment of the present invention provides that the flange cover has an abutment area which is designed for abutment with a flange of the container and in which there are a plurality of mounting holes for fastening screws.
  • An alternative embodiment of a flange cover according to the invention provides that the flange is provided with blind holes into which screws can be screwed, so that the flange cover can be screwed to a corresponding counter flange of the container.
  • a container lid for closing an opening of a container for receiving a filling material wherein the container lid has an inner side that faces the filling material when the container lid is attached to the container opening, an outer side opposite the inner side, and several Through holes includes.
  • the through openings extend from the outside to the inside of the container lid and are each designed to receive a measuring probe.
  • a container lid or flange lid it is possible to provide further openings which can be closed, so that, for example, ullage measurement by hand (mobile probe or solder) or hand temperature measurement is possible through this opening.
  • Such openings in the container or flange lid can be closed, for example, with a kind of ball valve.
  • Ball valve closures and similar closures are known per se and require no further explanation.
  • the container lid is provided with a hinge, around which the container lid can be fastened to the container so that it can be opened and closed.
  • the container lid in such a way that it can be welded directly to the container opening, in particular to be able to weld a peripheral system that can be combined with a corresponding system of a container nozzle.
  • the container lid with a first locking device which, when the container lid is in the state in which the container opening is closed, can be brought into engagement with a second locking device located on the container in order to secure the container lid to the container opening to lock.
  • a container cover according to the invention is also designed according to an exemplary embodiment such that each of the
  • a process connection is formed with a process connection, the process connection being selected from the group consisting of an external thread, flange and clamp connection.
  • Container lid design consists in that only one access opening has to be provided in particular on the container, so that only a tank dome has to be welded in, particularly in the case of very large ship tanks. This results in cost savings. In addition, such a tank dome only has to be coated once, ie coated, which also leads to a reduction in costs.
  • the measuring probes can be calibrated more easily, since they are now easier to handle.
  • the hunt group is designed as a socket strip. It is therefore possible for the first time to provide common wiring of the individual measuring probes, so that wiring of the individual measuring probes is now much more service-friendly and failsafe. Previously, the scattered measuring probes had to be individually wired to the control center on a ship or control center.
  • the flange lid or the container lid is provided with an access opening, which allows sampling from the inside of the container, manual direction finding, or temperature measurement by hand.
  • This access opening can be closed again, for example, by a closing device closing the opening.
  • An example of such a closing device is a ball valve closure.
  • a further exemplary embodiment of the present invention relates to a flange or container lid which receives sensors for the overlap, tank pressure and 95% and / or 98% alarm of the tank measuring system and thus a concentration of all these sensors and possible further access openings (for example also closable ) allowed and preferably can also be mounted on a container dome.
  • a ball valve fitting on an access opening in the cover in addition to the measuring probes or measuring devices, which allows a quick and reliable direct bearing on the measuring devices.
  • the fill level determined by the adjoining device for example a radar sensor
  • the detected alarm of a vibration limit switch can thus be reliably read and compared. This not only saves the creation of correction tables for different reference points, it also saves commissioning and service costs.
  • connection box it is optionally also possible to form the electrical connections via heavy, marine-proven connecting lines which are routed centrally on a connection box.
  • the lines should then be designed, for example, as high-quality, waterproof plug-in connections and enable quick and easy replacement by the crew of a ship.
  • Figure 1 is a schematic sectional view of a ship's tank with pivotally attached container lid, on which several measuring probes are installed.
  • Fig. 2 is a perspective view of an exemplary invention
  • Flange cover which rests on a container dome or container neck of a ship's tank
  • FIG. 3 shows a top view of the flange cover according to FIG. 2 with measuring probes attached to it;
  • FIG. 4 shows a top view of the flange cover according to FIG. 2 without measuring probes attached to it;
  • Fig. 5 is a sectional view taken along line A-A in Fig. 4;
  • Fig. 6 is a sectional view taken along line B-B in Fig. 4;
  • Fig. 7 is a schematic representation of a clamp connection of a
  • FIG. 1 A first exemplary embodiment of a container lid 11 according to the invention is shown schematically in FIG. 1.
  • a ship tank 1 has an interior 3 which is at least partially filled with a liquid 4 or is to be filled.
  • the liquid level is identified here by reference number 5.
  • the container 1 has a container ceiling 2 in which there is an access opening with a circular cross section.
  • a container dome 6 is inserted in this access opening and has a circumferential flange edge 7.
  • the container dome 6 is, as can be easily recognized by the circumferential weld connection 8, on
  • Container 1 welded on.
  • a hinge 12 is formed on one side of the container dome 6.
  • a locking device 9 is arranged on the side of the container dome 6 opposite the hinge 12.
  • a container lid 11 which is designed here as a plate or circular disk, but can also have other plan shapes and can also be curved, for example, has a hinge bracket 13 on an edge region, which is rotatably or pivotably connected to the hinge 12 of the container dome 6. As a result, the entire container lid 11 is pivotable about the axis of rotation of the hinge 12.
  • an inside 11b of the lid 11 points in the direction of the filling material 4.
  • An outside 11a of the container lid 11 opposite the inside 11b points outwards.
  • the hinge part 13 On the outside of the container 1a, the hinge part 13 has a locking device 10 attached, which interacts with the locking device 9 on the container dome 6, so that a releasable locking of the lid 11 on the container dome 6 is possible.
  • the locking device 9, 10 can also consist of a plurality of parts which are spaced apart from one another and are then, for example, regularly distributed on the edge of the container lid 11 and the container dome 6.
  • a plurality of measuring probes 14, 15, 16, 25 are attached to the outside 1 a of the container lid 11. These measuring probes 14, 15, 16, 25 are connected via cables 18 to a collective connection 100, from which a cable harness 19 in turn leads to a control center (not shown here) or a control center.
  • the measuring probe 14 is a radar fill level measuring sensor, with which a Ullage measurement is carried out inside the container 3.
  • the measuring probe 14 is screwed onto the container lid 11 via a flange 17.
  • the radar antenna of the measuring probe 14 is not shown here, but extends through an opening in the container lid 11 into the container dome 6 and points to the liquid 4 in the container interior 3.
  • the measuring device 15 and the measuring device 16 are point level sensors which use ultrasonic vibrating rods 20, 21 (see FIG. 2) to determine whether the container interior 3 is filled to 95% or 98%, for example.
  • FIG. 2 shows a perspective illustration of a flange cover 11 ′ which rests on a container dome 6, as was explained with reference to FIG. 1.
  • the flange cover 11 'and the measuring probes 14, 15, 16 and 25 mounted thereon and a ball shut-off valve 24 are arranged and fastened in the same way as on the container cover 11.
  • the container flange 11 ' is not provided with a hinge configuration 13 and a lock 10, but instead has regularly distributed through bores 22 on its circumferential edge, each with blind holes present in the flange part 7 of the container dome 6
  • the two vibration measuring probes 15, 16 have a process connection
  • a pressure measuring probe 25 is also provided with a process connection in the form of an external thread, which is screwed into an opening 43 (see FIG. 4) with an internal thread.
  • a ball valve closure 24 has a fastening flange 26 with openings 27 in order to attach the ball valve closure to the flange cover 11 '.
  • the corresponding associated blind bores with an internal thread are provided with the reference symbol 47 in FIG. 4.
  • FIG. 3 shows a top view of a flange cover 11 'with measuring probes 14, 15, 16, 25 and the ball valve closure 24 attached to it.
  • the orientations of the individual line outlets of the measuring probes 14, 15, 16, 25 point in one direction in order to be protected against spewing water if possible.
  • the flange cover 11 ' is equipped with an eyelet 50, which allows the flange cover 11' to be removed or lifted off in a simple manner by means of a crane or the like. Under certain circumstances, the measuring probes 14, 15, 16 and 25 and the ball valve closure can remain attached to the flange cover 11 '.
  • FIG. 4 shows a top view of the flange cover 11 'without the attachments thereon - measuring probes 14, 15, 16, 25 and ball valve closure 24 -, so that the openings and bag openings in the flange cover 11' are more clearly recognizable in FIG. 4 are. 3, on the other hand, some of the bores or flange mounting openings are shown.
  • the through opening 40 extends from the outside 1 la to the inside 1 lb of the flange cover 11 '. It allows a solder or a temperature measuring probe to be passed through when the ball valve closure 24 is open.
  • the blind bores 41 with an internal thread serve to fasten the flange 26 of the ball valve closure 24.
  • the through bore 43 has an internal thread into which an external thread of the process flange of the pressure measuring probe 25 is screwed.
  • the through openings 44 and 45 likewise have an internal thread into which the external threads of the process connections of the measuring probes 15, 16 are to be screwed.
  • the vibrating rods 20, 21 of the measuring probes 15, 16 also extend through the through openings 44, 45.
  • the Blind bores 47 with an internal thread serve to receive screws for fastening the flange 17 of the measuring probe 14.
  • the first variant is preferred, since this also allows pre-wiring, because in particular in an exemplary embodiment of the invention there is a collective connection 100 which then only has to be connected to the control center.
  • FIG. 7 a clamp connection of a measuring probe 14 to the flange cover 11 'is shown schematically in FIG. 7.
  • a connector 60 is welded to the flange cover 11 'in this modified embodiment (weld 61).
  • the nozzle 60 has an outwardly inclined ring shoulder 62 which has an outwardly directed inclined surface 66.
  • a flange 63 with shoulder and inclined surface 65 is also provided as the process connection of the measuring probe 14.
  • the flange 63 of the measuring probe 14 lies on the shoulder 62 of the socket 60.
  • the two inclined surfaces are held pressed together by clips 64.
  • This connection is also detachable and allows one simple attachment and removal of the measuring probe 14.
  • the same clamping principle can also be used for the flange cover 11 'for fastening to the container opening or the container dome 6.
  • flange connections according to DIN 2526, DIN EN 1092-1 or ASME-B16.5 can be used as flange connections.
  • the process connections, which are designed as external threads, and the corresponding passage openings with internal threads in the flange cover 11 'or in the container cover 11 can be formed, for example, by DIN threads.
  • the clamp connections mentioned can, for example, be designed in accordance with DIN 32676 or ISO 2852.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Closures For Containers (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)

Abstract

La présente invention concerne un couvercle de bride (11') ou un couvercle de récipient (11) conçu pour fermer une ouverture d'un récipient (1) accueillant un produit de remplissage (4). Le couvercle de bride (11') ou couvercle de récipient (11) comprend une face interne (11b) qui fait face au produit de remplissage (4) lorsque le couvercle (11, 11') est appliqué sur l'ouverture, une face externe (11a) qui est opposée à ladite face interne (11b), ainsi que plusieurs ouvertures de passage (43, 44, 45, 46) qui s'étendent de la face externe (11a) jusqu'à la face interne (11b) du couvercle de bride (11') et sont conçues pour recevoir respectivement une sonde de mesure (14, 15, 16, 25).
EP03750496A 2002-09-06 2003-09-08 Couvercle de recipient ou de bride Withdrawn EP1534613A2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10241401A DE10241401A1 (de) 2002-09-06 2002-09-06 Behälter- oder Flanschdeckel
DE10241401 2002-09-06
PCT/EP2003/009966 WO2004022456A2 (fr) 2002-09-06 2003-09-08 Couvercle de recipient ou de bride

Publications (1)

Publication Number Publication Date
EP1534613A2 true EP1534613A2 (fr) 2005-06-01

Family

ID=31724456

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03750496A Withdrawn EP1534613A2 (fr) 2002-09-06 2003-09-08 Couvercle de recipient ou de bride

Country Status (8)

Country Link
EP (1) EP1534613A2 (fr)
JP (1) JP2005537995A (fr)
KR (1) KR20050048624A (fr)
CN (1) CN100526174C (fr)
AU (1) AU2003270153A1 (fr)
DE (1) DE10241401A1 (fr)
PL (1) PL373896A1 (fr)
WO (1) WO2004022456A2 (fr)

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AU2003270153A1 (en) 2004-03-29
KR20050048624A (ko) 2005-05-24
CN100526174C (zh) 2009-08-12
WO2004022456A3 (fr) 2004-05-06
JP2005537995A (ja) 2005-12-15
WO2004022456A2 (fr) 2004-03-18
CN1688498A (zh) 2005-10-26
PL373896A1 (en) 2005-09-19
AU2003270153A8 (en) 2004-03-29
DE10241401A1 (de) 2004-03-18

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