EP1707346B1 - Presse isostatique avec conteneur à pression en plusieurs parties - Google Patents

Presse isostatique avec conteneur à pression en plusieurs parties Download PDF

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Publication number
EP1707346B1
EP1707346B1 EP20060006779 EP06006779A EP1707346B1 EP 1707346 B1 EP1707346 B1 EP 1707346B1 EP 20060006779 EP20060006779 EP 20060006779 EP 06006779 A EP06006779 A EP 06006779A EP 1707346 B1 EP1707346 B1 EP 1707346B1
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EP
European Patent Office
Prior art keywords
pressure
pressure container
segments
pressure vessel
isostatic press
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.)
Not-in-force
Application number
EP20060006779
Other languages
German (de)
English (en)
Other versions
EP1707346A2 (fr
EP1707346A3 (fr
Inventor
Matthias Graf
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.)
Cremer Thermoprozessanlagen GmbH
Original Assignee
Cremer Thermoprozessanlagen GmbH
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Publication of EP1707346A2 publication Critical patent/EP1707346A2/fr
Publication of EP1707346A3 publication Critical patent/EP1707346A3/fr
Application granted granted Critical
Publication of EP1707346B1 publication Critical patent/EP1707346B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/001—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a flexible element, e.g. diaphragm, urged by fluid pressure; Isostatic presses
    • B30B11/002—Isostatic press chambers; Press stands therefor

Definitions

  • the invention relates to an isostatic press with a multipart pressure vessel according to the preamble of claim 1.
  • cylindrical containers known as receptacles
  • receptacles For the construction of cold, hot and hot isostatic presses, cylindrical containers, known as receptacles, are used to hold the batch. During operation, they absorb the extremely high pressure forces due to the operating pressure.
  • the pressure vessels are produced today in various designs. The use of massive pressure vessels from a single-layer pressure vessel is known. At very high operating pressures and multi-layer pressure vessels are produced by shrinking into one another of several thinner individual containers. Due to the shrinking, the inner layer of the container is pressurized, whereby a higher allowable operating pressure can be applied. The still sufficient security against the flow limit of the material is calculated accordingly. Also known is the production of pressure vessels after the winding technique.
  • Inner liner inner pressure vessel wound a variety of wires, which are applied with targeted bias. This also achieves a compression bias of the inner liner with the advantages described above. By increasing the bias of the wires from inside to outside, this can achieve optimal material utilization.
  • document GB 1341716 A describes an isostatic press according to the preamble of claims 1 to 3.
  • the invention is an object of the invention to provide an isostatic press with a multipart enlarged pressure vessel and at the same time a way to compensate for the axial pressure components in the joints of Druck proceedingersegmenter or between any inner sleeve segments
  • the solution consists in a Isostatpresse according to claim 1, 2 or 3.
  • the two outer pressure vessel segments on counter-pressure surfaces and on the joints sealing rings are arranged with seals arranged therein.
  • the invention provides a type of multi-part pressure vessels for use in isostatic presses, with which the maximum size of the isostatic presses can be further increased without elaborate pressure vessel designs or welds.
  • the pressure vessel are made in several parts in the axial direction, in a manner that allows assembly of the individual pieces at the site of assembly.
  • the structure of the pressure vessel consists of a plurality of pressure vessel segments, which are assembled axially on their end faces.
  • the pressure vessel segments can in turn be designed as single-layer or multi-layer segments.
  • the pressure vessel segments are sealed to each other at the joints, so that the composite pressure vessel, can reliably absorb the operating pressure.
  • a positive support (similar to the sewer pipes) of the pressure vessel segments nothing contrary to, for example, to prevent slippage of the pressure vessel segments with each other.
  • the sealing itself can be done via elastomer seals.
  • the pressure vessel according to the invention provides for the formation of counter-pressure surfaces, which are formed to be the same size or larger than the pressure-applied end faces between the pressure chamber and the seals.
  • a stable in itself, with respect to the axial forces compensated pressure vessel can be built in dimensions corresponding to a cylindrical inner diameter of about 5 m and a length of 10 m or more. This would allow the loading volume of the pressure vessel over the previously known prior art multiplying and corresponding savings for the industry in the production of larger batches of small parts or even the production of oversized workpieces.
  • a multi-part inner liner is introduced without bias in the pressure vessel, which serves to receive the primary sealing elements.
  • the sealing to the atmosphere takes place here between the inner sleeve elements and the pressure vessel segments and the pressure forces during operation of the pressure vessel are passed by surface pressure to the pressure bearing pressure vessel segments without axial component by the compensation of the counter-pressure surfaces on the axially outer pressure vessel segments.
  • a cooled multi-part inner sleeve can be easily realized for the construction of hot isostatic presses, in which the inner sleeve elements Contain cooling lines or have external grooves that can form a cooling line system in conjunction with the pressure vessel segments, which can serve for rapid cooling of the pressure vessel.
  • the seal between the pressure vessel segments is carried out with a sealing ring, in which the sealing elements are integrated.
  • This sealing ring is held by means of retaining elements on the joints of the pressure vessel segments.
  • FIG. 1 an isostatic press with a press frame 12 and the associated pressure vessel 16 is shown.
  • the pressure vessel 16 consists of stacked pressure vessel segments 1 with seals 4 and two associated closure lids 2, which surround the pressure chamber 8 of the isostatic press.
  • tie rods 9 are mounted with clamping plates 10 on the outside of the pressure vessel. In the illustrated operating state, the forces of the operating pressure are introduced via a pressure plate 11 into the press frame 12.
  • FIG. 2 In a section shows FIG. 2 detailed the transition from the cap 2 to an outer pressure vessel segment 1 with a seal 4 and the design of another pressure vessel segment 1
  • the occurring at the counter-pressure surfaces 15 axial forces 7 on the outer pressure vessel segment 1 are the subject of FIG. 3 ,
  • the counter-pressure surface 15 is axially located on the side of the first pressure vessel segment 1 which is aligned with the closure lid 2 and includes not only the in The drawing shown in the drawing but any surfaces that can build an axial force component lying in the area between the seals 4 to the beginning of the pressure chamber 8. Since in the isostatic operation of the pressure vessel 16 to the pressure chamber 8 adjacent surfaces everywhere the same pressure prevails, the counter-pressure surfaces 15 on axial forces 7, the vectors are directed in the direction of the joints 13 between the pressure vessel segments 1.
  • FIG. 4 shows in a pressure vessel 16 imported inner sleeve segments 3 with seals 4.
  • These inner sleeve segments 3 have by their design, the necessary counter-pressure surfaces 15 and lead to an axial whokompens Being design.
  • the end faces 18 of the inner sleeve segments 3 are made flat here, but can also be positively designed as described above otherwise, which has no effect on the axial compensation of the forces.
  • the inner sleeve segments 3 provided with grooves 5 on the side facing away from the pressure chamber 8 side which can be supplied via an inlet 6.
  • empering also includes the use of cooling via appropriately introduced cooling fluids during operation or phases of operation or heating of the pressure vessel when used in a hot isostatic press (WIP).
  • WIP hot isostatic press
  • FIG. 5 the seal between the pressure vessel segments 1 with a sealing ring 19, in which the sealing elements 4 are integrated.
  • This sealing ring 19 is held by means of holding elements 20 on the parting lines 13 of the pressure vessel segments 1.

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)

Claims (7)

  1. Presse isostatique avec un conteneur sous pression (16) monté dans un cadre de presse (12), le conteneur à pression (16) étant composé de plusieurs segments de conteneur à pression (1) assemblés ensemble axialement par complémentarité de forme et de couvercles de fermeture (2), le conteneur à pression (16) étant réalisé dans une conception qui permet un assemblage des pièces individuelles sur le site de montage et les segments de conteneur à pression (1) étant étanchéifiés aux et au-dessus des joints de séparation (13) entre les segments de conteneur à pression (1) caractérisée en ce que des surfaces de contre-pression (15) sont disposées sur le premier et le dernier segment de conteneur à pression (1), qui sont sollicitées par la pression venant du compartiment à pression (8) et dont les forces axiales (7) résultantes viennent s'opposer aux forces de pression axiales se produisant dans les joints de séparation (13) entre les segments de conteneur à pression (1) entre l'étanchéification (4) et le compartiment à pression (8) utilisable.
  2. Presse isostatique avec un conteneur à pression (16) monté dans un cadre de presse (12), le conteneur à pression (16) étant composé de plusieurs segments de conteneur à pression (1) assemblés ensemble axialement par complémentarité de forme et de couvercles de fermeture (2), le conteneur à pression (16) étant réalisé dans une conception qui permet un assemblage des pièces individuelles sur le site de montage et les etanchéifiés aux et au-dessus des joints de séparation (13) entre les segments de conteneur à pression (1) caractérisée en ce que dans le conteneur à pression (16) plusieurs segments de coussinet intérieur (3) sont insérés sans tension préalable contre les segments de conteneur à pression (1), les segments de coussinet intérieur (3) situés dans le sens axial à l'extérieur présentant des surfaces de contre-pression (15) qui sont sollicitées par la pression venant du compartiment à pression (8) et dont les forces axiales (7) viennent s'opposer aux forces de pression axiales et les segments de coussinet intérieur (3) présentent des rainures (5) et/ou des canaux pour la répartition de fluide.
  3. Presse isostatique avec un conteneur à pression (16) monté dans un cadre de presse (12), le conteneur à pression (16) étant composé de plusieurs segments de conteneur à pression (1) montés ensemble axialement par complémentarité de forme et de couvercles de fermeture (2), ), le conteneur à pression (16) étant réalisé dans une conception qui permet un assemblage des pièces individuelles sur le site de montage et les segments de conteneur à pression (1) étant étanchéifiés aux et au-dessus des joints de séparation (13) entre les segments de conteneur à pression (1) caractérisée en ce que les deux segments de conteneur à pression (1) situés à l'extérieur présentent des surfaces de contre-pression (15) qui sont sollicitées par la pression venant du compartiment à pression (8) et dont les forces axiales (7) viennent s'opposer aux forces de pression axiales et des bagues d'étanchéité (19) avec des joints d'étanchéité (4) à l'intérieur sont disposées sur les joints de séparation (13).
  4. Presse isostatique avec un conteneur à pression selon les revendications 1 à 3 caractérisée en ce que des segments de conteneur à pression (1) sont réalisés en une ou plusieurs couches.
  5. Presse isostatique avec un conteneur à pression selon les revendications 1 à 3 caractérisée en ce que les joints d'étanchéité (4) sont réalisés en tant que joints d'étanchéité en élastomère.
  6. Presse isostatique avec un conteneur à pression selon les revendications 1 à 3 caractérisée en ce que des éléments d'étanchéité complémentaires sont intégrés dans les joints d'étanchéité (4).
  7. Presse isostatique avec un conteneur à pression selon la revendication 2 caractérisée en ce que les rainures (5) sont prévues pour le guidage de fluides froids ou chauds.
EP20060006779 2005-03-30 2006-03-30 Presse isostatique avec conteneur à pression en plusieurs parties Not-in-force EP1707346B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200510014835 DE102005014835A1 (de) 2005-03-30 2005-03-30 Isostatpresse mit einem mehrteiligen Druckbehälter

Publications (3)

Publication Number Publication Date
EP1707346A2 EP1707346A2 (fr) 2006-10-04
EP1707346A3 EP1707346A3 (fr) 2011-08-31
EP1707346B1 true EP1707346B1 (fr) 2013-09-25

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ID=36515946

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20060006779 Not-in-force EP1707346B1 (fr) 2005-03-30 2006-03-30 Presse isostatique avec conteneur à pression en plusieurs parties

Country Status (2)

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EP (1) EP1707346B1 (fr)
DE (1) DE102005014835A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2427618T3 (es) 2009-03-11 2013-10-31 Avure Technologies Ab Tanque de presión para una prensa de alta presión
US8528763B2 (en) 2009-03-11 2013-09-10 Avure Technologies Ab Pressure vessel for a high pressure press
EP2661362A1 (fr) * 2011-01-07 2013-11-13 Avure Technologies AB Scellage soudé de récipient de cylindre presseur
DE102012023186A1 (de) 2012-11-28 2014-05-28 Uhde High Pressure Technologies Gmbh Behälterverschließvorrichtung für Hochdruckkammer
CA3112805A1 (fr) * 2018-10-10 2020-04-16 Exdin Solutions Spolka Z Ograniczona Odpowiedzialnoscia Ensemble de pressage isostatique a haute pression, en particulier ensemble de transformation a haute pression d'aliments

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3584884A (en) * 1968-09-10 1971-06-15 Western Electric Co Pressure elongatable support apparatus
US4732556A (en) * 1986-12-04 1988-03-22 Aerojet-General Corporation Apparatus for synthesizing and densifying materials using a shape memory alloy
US5071140A (en) * 1990-01-02 1991-12-10 Federico Quevedo Del Rio Self-pressurized gasket seal
JP2732938B2 (ja) * 1990-07-27 1998-03-30 株式会社神戸製鋼所 高圧容器
JP2004337883A (ja) * 2003-05-13 2004-12-02 Kobe Steel Ltd 等方圧加圧装置

Also Published As

Publication number Publication date
EP1707346A2 (fr) 2006-10-04
EP1707346A3 (fr) 2011-08-31
DE102005014835A1 (de) 2006-10-05

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