EP2084088B1 - Dispositif pour compenser des chocs de pression dans des systèmes fermés, comme des silos ou analogues - Google Patents

Dispositif pour compenser des chocs de pression dans des systèmes fermés, comme des silos ou analogues Download PDF

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Publication number
EP2084088B1
EP2084088B1 EP07846830A EP07846830A EP2084088B1 EP 2084088 B1 EP2084088 B1 EP 2084088B1 EP 07846830 A EP07846830 A EP 07846830A EP 07846830 A EP07846830 A EP 07846830A EP 2084088 B1 EP2084088 B1 EP 2084088B1
Authority
EP
European Patent Office
Prior art keywords
lid
carbon
outlet connection
glass fibre
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.)
Not-in-force
Application number
EP07846830A
Other languages
German (de)
English (en)
Other versions
EP2084088A1 (fr
Inventor
Albert Thorwesten
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.)
Thorwesten Vent GmbH
Original Assignee
Thorwesten Vent 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 Thorwesten Vent GmbH filed Critical Thorwesten Vent GmbH
Priority to SI200731008T priority Critical patent/SI2084088T1/sl
Priority to PL07846830T priority patent/PL2084088T3/pl
Publication of EP2084088A1 publication Critical patent/EP2084088A1/fr
Application granted granted Critical
Publication of EP2084088B1 publication Critical patent/EP2084088B1/fr
Priority to CY20121100795T priority patent/CY1113090T1/el
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B65D90/22—Safety features
    • B65D90/32—Arrangements for preventing, or minimising the effect of, excessive or insufficient pressure
    • B65D90/34—Venting means
    • 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
    • B65D90/02—Wall construction
    • B65D90/022—Laminated structures
    • 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
    • B65D90/22—Safety features
    • 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
    • B65D90/22—Safety features
    • B65D90/32—Arrangements for preventing, or minimising the effect of, excessive or insufficient pressure
    • B65D90/36—Weakened parts
    • 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
    • Y10T137/598—With repair, tapping, assembly, or disassembly means
    • Y10T137/6116—With holding means functioning only during transportation assembly or disassembly
    • 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
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7898—Pivoted valves
    • Y10T137/7902—Valve mounted on end of pipe

Definitions

  • the invention is directed to a device to compensate for pressure surges in possible N dust or gas explosions in closed systems, such as silos, pipes od.
  • closed systems such as silos, pipes od.
  • Such a device is for example from the WO95 / 10465 known.
  • the local, in the case of an explosion opening hinged lid consists of metal sheets and is made in practice, for example, from aluminum sheets.
  • the hinged lid strikes against the baffle plate with displacement of the intermediate air, the baffle plate springs back and the hinged lid is thrown back into the closed position.
  • the well-known hinged lid already has a comparatively low weight. Nevertheless, the technology propagated there can be significantly improved, not only in terms of the method of production and thus the production price is concerned, but also as regards the reduction in inertial mass, so that the aim of the invention in addition to economical production in particular a significant reduction in weight of the hinged lid, a quick change of the lid in case of damage or a quick initial assembly and an improvement in the protective effect of the system.
  • the hinged lid is formed of a carbon and glass fiber material
  • the cover main body is formed from the outer walls forming multi-layer carbon and glass fiber mats and that in the outwardly facing multilayer Carbon / - and glass fiber mat is laminated with a heat tracing.
  • the invention provides in an embodiment that the cover main body of the outer walls forming carbon and glass fiber mats with a the Cover contour forming enclosed plastic body, such as Foam, is formed.
  • the BealeitMapuna should in particular serve to prevent the freezing of the lid when temperatures prevail below the freezing point in the lid environment.
  • the plastic body enclosed by the carbon / glass fiber mats is designed as a spherical section.
  • similar spatial forms are also possible here, such as polygons Truncated cones, cross-sectionally elliptical or parabolic body od. Like. More.
  • the carbon / fiberglass cover is formed substantially circular, wherein the circular cover main body is positioned in a pivot frame made of carbon and glass fiber mats, wherein a foam ring can be positioned between the cover main body and swing frame in design.
  • the invention also provides in a further embodiment that at least the lid surface is provided with a lotus effect coating.
  • the device according to the invention is also characterized in that in the outlet or in the frame a provided with a plurality of through holes or honeycomb structured flame trap is positioned below the lid.
  • a flame arrestor cage is positioned around the frame with lid, wherein the flame arrestor cage is formed by a support frame spanned by a flame retardant fabric.
  • a particularly advantageous design of such a bandage closure is that this bandage closure is formed by at least one steel strip with at least one quick release, wherein on the steel strip a plurality of approximately U-shaped clamping claws, in particular made of a highly resilient plastic, are positioned at a distance from each other.
  • the spring-loaded baffle plate is held in the transport position of stepped in length security wires, with stepped safety wires securing the transport position of the spring-loaded baffle plate is considered to the effect that when separating the Security wires the baffle plate initially travels a certain way to then be held again at the next level of the safety wire.
  • Fig. 1 device comprises a frame 2 and an outlet, which is closed by means of a generally designated 3 lid, wherein the lid is attached via corresponding rotary fittings 4 on flanges 5 on the frame 2.
  • a pair of pivot springs 6 are also attached, act on the hinge angle 7, carrying a baffle plate 8, against which can beat the device cover 3 in the event of an explosion, so that it is slowed down by the associated air displacement.
  • Fig. 1 how out Fig. 1 can also be seen, the frame 2 on a example connected to a silo nozzle 9 by means of tensioning straps 10, which are equipped with a tension lock 11, are attached.
  • the hinged lid 3 is in its essential structure in Fig. 2 reproduced in exploded view.
  • the circular lid main body, in Fig. 2 Denoted by 3a has a flat, in the position of use upwardly facing surface layer 12 on a composite of carbon fiber mats and glass fiber mats, which will be discussed below in connection with Fig. 5 is described in more detail.
  • the pointing into the interior of the frame 2 surface 13 of the lid is also formed of a composite material, wherein between the two outer layers 12 and 13, a foam body 14 is positioned, in the form of a spherical portion, as it cross-section substantially in Fig. 4 is shown.
  • a plurality of carbon fiber eyelets 15 are provided which pass through corresponding recesses in the foam body 11 and in the position of use have a firm connection between the outer surface 12 and the inner surface 13 for stabilizing the lightweight cover 2, said structure not belongs to the invention and represents only one possible example.
  • the lid main body 3a is formed in a swing frame 16 also made of carbon fibers and glass fibers, wherein also in the pivot frame, a foam body 14 and corresponding carbon fiber ringings 15a are provided.
  • a foam ring 17 is positioned in a Kanten Wegfalzung the lid that he can put sealingly in the closed position over the upper edge of the frame 2.
  • the lid structure initially consists of an outer surface layer 12, which in turn consists of a carbon fiber layer 18, followed by a glass fiber layer 19 and in the illustrated example again followed by a foil-like heat tracing 20, followed by another glass fiber layer 19a.
  • the foam body 14 is penetrated by carbon fiber rolls 15, which are directly connected to the overlying glass fiber layer 19a.
  • the inwardly facing and the curved contour of the foam body 14 following layer 13 is formed in the illustrated example of three carbon fiber layers 18a to 18c, which are laminated to each other, wherein the inwardly facing carbon fiber layer 18a is also fixedly connected to the carbon fiber eyebrows 15.
  • Fig. 5b a modified embodiment of the cover construction is shown, in which case the carbon fiber eyelets 15 as well as the outer and inner carbon fiber layer 18 are laminated with a synthetic resin or encapsulated by this enclosed. These areas are in Fig. 5b denoted by 28.
  • a flame trap 21 may be located, which may have a honeycomb-shaped structure, as can be approximately Fig. 1 results.
  • honeycomb-shaped structure gas passageways 22, as in Fig. 6 is indicated, with which it is achieved that the penetration of a flame in the explosion trap does not occur because it is already extinguished when passing through the channels 22 when the outer surface of the frame 2 is reached.
  • Fig. 7 to 9 are details of a clamping ring 10a with quick fasteners 11a shown in a modification of the embodiment according to Fig. 1 .
  • the frame 2 is provided here at its lower outer edge region with a cross-sectionally approximately S-shaped widening, as can be seen in particular from Fig. 7 results.
  • the nozzle 9 has a cross-sectionally approximately U-shaped, outwardly embossed edge bead 9a, which is formed correspondingly and formed for engagement with the edge 2a.
  • This resulting outer bead can be overlapped by cross-section U-shaped straps, as can be seen from Fig. 1 results, or be enclosed by a strap 10a, on which a plurality of clamping claws is threaded.
  • These clamping claws 29 have an inner recess 30 which is penetrated by steel strip 10 a, as is apparent from Fig. 9 results.
  • These clamping claws 29 are heavy-duty and pressure-resistant due to their threading on the steel tensioning band 10a.
  • the overall construction is extremely light, yet it satisfies the requirements for securing the frame 2 to a nozzle 9 or a piece of pipe with appropriately trained, upper, outwardly facing edge bead 9a.
  • Fig. 10 is shown as the baffle plate 8 is braced in the transport position against the surface of the lid 3, with the help of some security wires 23 in stepped lengths. If the device 1 is mounted and is to be brought into its functional position, the safety wires 23 can be opened in succession from the shortest loop to the longest loop. In this case, the baffle plate 8 pivots in the corresponding stages, which is under tension of the spring 6, gradually upwards until the desired open position is reached.
  • the device 1 also be provided with a generally designated 24 Flammsperrhimfig, where there via a support frame 25, a flame barrier fabric 26 is pulled, which prevents the penetration of flames to the outside.
  • the described embodiment of the invention is still to be modified in many ways, without departing from the spirit.
  • the unwanted pivoting of the baffle plate preventing wires can be replaced by punched tape u. like. More.

Landscapes

  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Laying Of Electric Cables Or Lines Outside (AREA)
  • Drying Of Solid Materials (AREA)
  • Thermal Insulation (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Special Wing (AREA)
  • Resistance Heating (AREA)
  • Tents Or Canopies (AREA)
  • Nonwoven Fabrics (AREA)
  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
  • Air-Flow Control Members (AREA)
  • Laminated Bodies (AREA)

Abstract

Dispositif (1) pour compenser des chocs de pression lors d'éventuelles explosions de poussière ou de gaz dans des systèmes fermés, comme des silos, des tuyauteries ou analogues, avec un couvercle rabattable (3) pouvant pivoter sur un piquage d'évacuation ou sur un châssis (2) et présentant une surface extérieure plane (12). Une plaque déflectrice (8) est prévue sur le piquage d'évacuation ou sur le châssis (2) pour venir buter contre le couvercle (3) en cas d'explosion. L'invention vise notamment, outre une fabrication économique, une nette diminution du poids du couvercle rabattable, un remplacement rapide du couvercle en cas de détérioration ou encore un premier montage rapide, et une amélioration de l'action protectrice du système. A cet effet, le couvercle rabattable (3) est constitué d'un matériau en fibres de verre et de carbone.

Claims (9)

  1. Dispositif (1) permettant de compenser des coups de bélier dans le cas éventuel de coups de poussier ou d'explosions de gaz dans des systèmes fermés, tels que des silos, des conduites tubulaires ou analogues, avec un couvercle rabattant (3) pivotant sur une tubulure d'échappement ou une structure (2), comprenant un corps fermé (14) formant le contour du couvercle en matière synthétique, par exemple un matériau expansé, qui présente une surface externe plane (12), dans lequel il est prévu, sur la tubulure d'échappement ou sur la structure (2), une chicane (8) pour s'appuyer sur le couvercle (3) en cas d'explosion,
    caractérisé en ce que
    le couvercle rabattant (3) est formé d'un matériau à base de carbone et de fibres de verre, dans lequel le corps principal (3a) du couvercle est formé de mats de carbone et de fibres de verre multicouches (18, 19) formant les parois externes et en ce qu'un chauffage d'accompagnement (20) est laminé dans le mat de carbone et de fibres de verre multicouche (18, 19) tourné vers l'extérieur (12,13) ;
  2. Dispositif selon la revendication 1,
    caractérisé en ce que
    le corps synthétique fermé (14) est formé plus ou moins d'une section sphérique.
  3. Dispositif selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    le couvercle de carbone et de fibres de verre (3) est conformé sensiblement en cercle, dans lequel le corps principal circulaire (3a) du couvercle est positionné dans un cadre pivotant (16) formé de mats de carbone et de fibres de verre et/ou une bague de matériau expansé (17) et/ou une bague de renfort est ou sont positionnées sous la forme d'un profil creux de matériau synthétique à quatre pans entre le corps principal (3a) du couvercle et le cadre pivotant (16).
  4. Dispositif selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    au moins la surface (12) du couvercle est pourvue d'un revêtement à effet lotus.
  5. Dispositif selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    un corps anti-flamme (21) pourvu d'une pluralité d'orifices traversants ou structurés en nids d'abeille est positionné dans la tubulure d'échappement ou dans la structure (2) en dessous du couvercle.
  6. Dispositif selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    une cage anti-flamme (24) est positionnée autour de la structure (2) pourvue du couvercle (3) et/ou la cage anti-flamme est formée d'un cadre d'appui revêtu d'un tissu anti-flamme (26).
  7. Dispositif selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    la tubulure d'échappement ou la structure (2) portant le couvercle (3) est pourvue d'une fermeture à bandage (10, 11) résistant à la pression pour un montage rapide.
  8. Dispositif selon la revendication 7,
    caractérisé en ce que
    la fermeture à bandage (10, 11) est formée d'au moins une bande d'acier (10a) présentant au moins une fermeture rapide (11), dans lequel une pluralité de griffes de serrage (29) plus ou moins en forme de U en coupe transversale, en particulier en matière synthétique hautement sollicitable, sont positionnées à distance l'une de l'autre.
  9. Dispositif selon l'une quelconque des
    revendications précédentes, caractérisé en ce que la chicane (8) sollicitée par un ressort est maintenue
    dans la position de transport par plusieurs fils de sécurité (23) étagés dans la longueur.
EP07846830A 2006-12-01 2007-11-27 Dispositif pour compenser des chocs de pression dans des systèmes fermés, comme des silos ou analogues Not-in-force EP2084088B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SI200731008T SI2084088T1 (sl) 2006-12-01 2007-11-27 Naprava za izenaäśenje pritiska v zaprtih sistemih, kot silosih in podobno
PL07846830T PL2084088T3 (pl) 2006-12-01 2007-11-27 Urządzenie do kompensacji uderzeń ciśnienia w układach zamkniętych, jak silosy lub tym podobne
CY20121100795T CY1113090T1 (el) 2006-12-01 2012-09-05 Διαταξη για την εξισορροπηση κρουσεων πιεσης σε κλειστα συστηματα, οπως σιλο ή παρομοια

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200620018244 DE202006018244U1 (de) 2006-12-01 2006-12-01 Vorrichtung zum Ausgleich von Druckstößen in geschlossenen Systemen, wie Silos o.dgl.
PCT/EP2007/010265 WO2008064853A1 (fr) 2006-12-01 2007-11-27 Dispositif pour compenser des chocs de pression dans des systèmes fermés, comme des silos ou analogues

Publications (2)

Publication Number Publication Date
EP2084088A1 EP2084088A1 (fr) 2009-08-05
EP2084088B1 true EP2084088B1 (fr) 2012-08-15

Family

ID=39062795

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07846830A Not-in-force EP2084088B1 (fr) 2006-12-01 2007-11-27 Dispositif pour compenser des chocs de pression dans des systèmes fermés, comme des silos ou analogues

Country Status (18)

Country Link
US (1) US8720483B2 (fr)
EP (1) EP2084088B1 (fr)
JP (1) JP5291629B2 (fr)
KR (1) KR101442285B1 (fr)
CN (1) CN101541647B (fr)
AU (1) AU2007324837B2 (fr)
BR (1) BRPI0719733A2 (fr)
CA (1) CA2670713C (fr)
CY (1) CY1113090T1 (fr)
DE (1) DE202006018244U1 (fr)
DK (1) DK2084088T3 (fr)
EA (1) EA014545B1 (fr)
ES (1) ES2389573T3 (fr)
MY (1) MY151642A (fr)
PL (1) PL2084088T3 (fr)
PT (1) PT2084088E (fr)
SI (1) SI2084088T1 (fr)
WO (1) WO2008064853A1 (fr)

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DE202017105238U1 (de) 2016-09-21 2017-12-22 Thorwesten Vent Gmbh Vorrichtung für geschlossene Systeme zum Ausgleich von Druckstößen

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Publication number Priority date Publication date Assignee Title
DE202017105238U1 (de) 2016-09-21 2017-12-22 Thorwesten Vent Gmbh Vorrichtung für geschlossene Systeme zum Ausgleich von Druckstößen
WO2018054587A1 (fr) 2016-09-21 2018-03-29 Thorwesten Vent Gmbh Dispositif de systèmes fermés pour la compensation de coups de bélier
US10830353B2 (en) 2016-09-21 2020-11-10 Thorwesten Vent Gmbh Device for closed systems for equalizing pressure surges

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JP2010510937A (ja) 2010-04-08
AU2007324837B2 (en) 2013-03-07
CA2670713C (fr) 2014-05-20
EA200900730A1 (ru) 2009-12-30
CA2670713A1 (fr) 2008-06-05
DK2084088T3 (da) 2012-09-17
EA014545B1 (ru) 2010-12-30
JP5291629B2 (ja) 2013-09-18
US8720483B2 (en) 2014-05-13
PL2084088T3 (pl) 2012-11-30
CN101541647A (zh) 2009-09-23
US20100044374A1 (en) 2010-02-25
WO2008064853A1 (fr) 2008-06-05
EP2084088A1 (fr) 2009-08-05
BRPI0719733A2 (pt) 2013-12-10
AU2007324837A1 (en) 2008-06-05
SI2084088T1 (sl) 2012-10-30
PT2084088E (pt) 2012-09-20
KR101442285B1 (ko) 2014-09-23
DE202006018244U1 (de) 2008-04-10
KR20090084907A (ko) 2009-08-05
MY151642A (en) 2014-06-30
ES2389573T3 (es) 2012-10-29
CN101541647B (zh) 2012-10-10
CY1113090T1 (el) 2016-04-13

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