EP0624434A1 - Raccord rapide pour gaz liquéfié - Google Patents

Raccord rapide pour gaz liquéfié Download PDF

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Publication number
EP0624434A1
EP0624434A1 EP94103145A EP94103145A EP0624434A1 EP 0624434 A1 EP0624434 A1 EP 0624434A1 EP 94103145 A EP94103145 A EP 94103145A EP 94103145 A EP94103145 A EP 94103145A EP 0624434 A1 EP0624434 A1 EP 0624434A1
Authority
EP
European Patent Office
Prior art keywords
union nut
outer ring
key
wrench
loading
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Withdrawn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
EP94103145A
Other languages
German (de)
English (en)
Inventor
Hubert Lammering
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.)
P + S ARMATUREN GMBH
Original Assignee
Ruhr Oel 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 Ruhr Oel GmbH filed Critical Ruhr Oel GmbH
Publication of EP0624434A1 publication Critical patent/EP0624434A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B13/00—Spanners; Wrenches
    • B25B13/48—Spanners; Wrenches for special purposes
    • B25B13/50—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B13/00—Spanners; Wrenches
    • B25B13/02—Spanners; Wrenches with rigid jaws

Definitions

  • the invention relates to a liquid gas quick coupling as a connection of the side valves of a tank car with the loading arms of the liquid and gas phase for loading and unloading liquefied gases with a connecting flange with a tube piece and male part, union nut and sealing ring.
  • Liquid gases are to be understood in particular as ammonia and the hydrocarbons propane, propene, butane, butene and mixtures thereof.
  • a tank car is filled via loading arms with a connector of 80 mm nominal diameter for the liquid phase and a connector of 50 mm nominal diameter for the gas phase for the purpose of gas oscillation between the stationary tank and tank car via the two side valves.
  • the loading arms are attached and detached on the track scale, so that two flange connections of nominal widths 80 and 50 mm with a total of twelve M 16 screws, including insertion of the flange seals in the recess of the valves, have to be loosened or manufactured for each tank wagon is relatively time consuming.
  • a key designed as a hand lever overlaps two cams on a partial circumference of the union nut when it is attached with a key part having a movable chain link such that the circumferential force required to release the threaded connection is transferred to the cams by means of leverage.
  • the design of the key with a movable chain link should allow the key to be attached even if the cams of the union nuts are damaged or have burrs.
  • An additional subtask consists in a further reduction in loading and unloading times.
  • the union nut according to the invention is advantageously provided with the same spacing of the bores in the outer ring even with different nominal diameters of associated pipe sections, for example 80 and 50 mm. This means that the same key fits for flanges of different nominal sizes.
  • the side valves directly with a suitable threaded connection instead of the adapter pieces to be installed specially before the loading process.
  • the side valves would be sealed during transport in both versions by means of a blind cover with a union nut.
  • the suitable transition pieces for filling with one-sided thread and flange can be installed when loading an entire train of, for example, 30 to 40 tank wagons while the previous tank wagon is being filled and before it is driven onto the track scale.
  • This activity can range from that required to make the connections between the side valves and the reservoir via the loading arms responsible personnel are carried out in the time required to fill the previous tank car.
  • the loading time required for an entire train is reduced.
  • correspondingly extended transition pieces can be installed, which enables unhindered connection of the loading arms on the track scale.
  • the transition pieces are removed again while the next tank car is being loaded and the valves are provided with blind covers for the subsequent transport.
  • valves of smaller dimensions than for the aforementioned liquid gases are required.
  • the combination according to the invention can also be used advantageously here.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
EP94103145A 1993-05-14 1994-03-03 Raccord rapide pour gaz liquéfié Withdrawn EP0624434A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19934316249 DE4316249C2 (de) 1993-05-14 1993-05-14 Flüssiggas-Schnellkupplung
DE4316249 1993-05-14

Publications (1)

Publication Number Publication Date
EP0624434A1 true EP0624434A1 (fr) 1994-11-17

Family

ID=6488147

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94103145A Withdrawn EP0624434A1 (fr) 1993-05-14 1994-03-03 Raccord rapide pour gaz liquéfié

Country Status (2)

Country Link
EP (1) EP0624434A1 (fr)
DE (1) DE4316249C2 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29608677U1 (de) * 1996-05-14 1996-08-08 Zollmann GmbH, 72820 Sonnenbühl Spannmutter für eine Spannzange
EP1052047A3 (fr) * 1999-05-06 2002-10-16 Zollmann GmbH Ecrou de serrage pour pince de serrage
US8225576B2 (en) 2005-11-24 2012-07-24 Vestas Wind Systems A/S Wind turbine tower, connection means for assembling a wind turbine tower and methods thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB845660A (en) * 1958-04-30 1960-08-24 Turner Brothers Birmingham Ltd Improved manually-operated torque applying means
DE3642198A1 (de) * 1986-11-04 1988-05-05 Christoph Dr Med Arndt Schluessel fuer druckgasflaschen
US4930816A (en) * 1989-05-17 1990-06-05 Biing Yih Hwang Joining structures for metal pipes

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB845660A (en) * 1958-04-30 1960-08-24 Turner Brothers Birmingham Ltd Improved manually-operated torque applying means
DE3642198A1 (de) * 1986-11-04 1988-05-05 Christoph Dr Med Arndt Schluessel fuer druckgasflaschen
US4930816A (en) * 1989-05-17 1990-06-05 Biing Yih Hwang Joining structures for metal pipes

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29608677U1 (de) * 1996-05-14 1996-08-08 Zollmann GmbH, 72820 Sonnenbühl Spannmutter für eine Spannzange
EP1052047A3 (fr) * 1999-05-06 2002-10-16 Zollmann GmbH Ecrou de serrage pour pince de serrage
US8225576B2 (en) 2005-11-24 2012-07-24 Vestas Wind Systems A/S Wind turbine tower, connection means for assembling a wind turbine tower and methods thereof

Also Published As

Publication number Publication date
DE4316249C2 (de) 1995-06-22
DE4316249A1 (de) 1994-11-17

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