EP2084088A1 - 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

Info

Publication number
EP2084088A1
EP2084088A1 EP07846830A EP07846830A EP2084088A1 EP 2084088 A1 EP2084088 A1 EP 2084088A1 EP 07846830 A EP07846830 A EP 07846830A EP 07846830 A EP07846830 A EP 07846830A EP 2084088 A1 EP2084088 A1 EP 2084088A1
Authority
EP
European Patent Office
Prior art keywords
carbon
frame
lid
cover
glass fiber
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
EP07846830A
Other languages
German (de)
English (en)
Other versions
EP2084088B1 (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

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
    • B65D90/22—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 for compensating pressure surges in possible dust or gas explosions in closed systems, such as silos, pipelines od.
  • closed systems such as silos, pipelines od.
  • a hinged to an outlet or a frame hinged lid which has a flat outer surface, wherein the Outlet or on the frame a baffle plate to stop the lid is provided in the explosion trap.
  • hinged lid is made of metal sheets and is in practice e.g. made of aluminum sheets.
  • the hinged lid strikes against the baffle plate, displacing the air in between, 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 still be significantly improved, not only in terms of the method of production and thus the production price, 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 fast Changing the cover in case of damage or a quick initial assembly and improving the protection of the system is.
  • the hinged lid is formed from a carbon / fiberglass material.
  • the cover main body consists of the outer walls forming coal / glass fiber material. Glass fiber mats with the lid contour forming enclosed plastic body, such as Foam, is formed.
  • the plastic body enclosed by the carbon / glass fiber mats is designed as a spherical section.
  • the plastic body enclosed by the carbon / glass fiber mats is designed as a spherical section.
  • the plastic body enclosed by the carbon / glass fiber mats is designed as a spherical section.
  • the plastic body enclosed by the carbon / glass fiber mats is designed as a spherical section.
  • the plastic body enclosed by the carbon / glass fiber mats is designed as a spherical section.
  • here are similar spatial forms possible, such as polygonal truncated cones, cross-section elliptical or parabolic body od.
  • polygonal truncated cones such as polygonal truncated cones, cross-section elliptical or parabolic body od.
  • Another way of constructing the lid may be to place at least part of the enclosed foam body of layers of superimposed layers Coal / glass fiber mats to form, wherein the glass fiber mats have a decreasing diameter to form a substantially spherical cap-shaped cover profile to the interior of the outlet nozzle or the frame per layer.
  • carbon fiber welders can be used, which then enforce aligned holes in the mats, especially when a change between glass fiber mats and interposed foam discs is provided.
  • a heat tracing is laminated in the outwardly facing multi-layer carbon / glass fiber mat.
  • the heat tracing should in particular serve to prevent the freezing of the lid when temperatures prevail below the freezing point in the lid environment.
  • 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 cover 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 honeycomb-structured flame arrestor body within the outlet nozzle it may alternatively or additionally be provided according to the invention that 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 consists in that this bandage closure is formed by at least one steel band with at least one quick release, wherein a plurality of approximately U-shaped clamping claws, in particular of a highly resilient plastic, are positioned at a distance from one another on the steel band are.
  • the spring-loaded baffle plate is held in the transport position of stepped in length safety wires, with stepped safety wires securing the transport Läge the spring-loaded baffle plate is considered to the effect that during Separate the security wires, the baffle first covers a certain way, and then be held again at the next level of the safety wire.
  • 3 is a plan view of the lid with indicated glass fiber winding structure
  • 5a is a schematic representation of the layer structure of an embodiment of the lid
  • 5b is a schematic representation of the layer structure of another embodiment of the lid
  • 6 is a side view of the device with indicated carbon fiber ringing in the lid and the passage structure of a flame trap body in the outlet, 7 shows a partial cross section of the transfer area from the frame to a pipe socket,
  • FIG. 9 shows a section through the clamping ring with a clamping claw approximately in accordance with line IX-IX in FIG. 8, FIG.
  • FIG. 10 shows a part of the device according to the invention with the baffle plate in the transport position and the baffle plate after opening a step guard and in
  • FIG 11 shows the device according to the invention in a flame trap cage.
  • Fig. 1 in an exploded view, generally designated 1 device, comprises a frame 2 and an outlet, which is closed by means of a generally designated 3 lid, the lid via appropriate rotary fittings 4 on flanges 5 at the Frame 2 is attached.
  • 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.
  • the frame 2 can be fastened to a connecting piece 9, for example connected to a silo, by means of tensioning straps 10 which are equipped with a tightening lock 11.
  • the hinged lid 3 is shown in its essential structure in Fig. 2 in an exploded view.
  • the circular cap main body, designated by 3a in FIG. 2 has a flat, upwardly-facing surface layer 12 made of a composite of carbon fiber mats and glass fiber mats, which is described in more detail below in connection with FIG.
  • the surface 13 of the cover pointing into the interior of the frame 2 is likewise formed from a composite material, wherein between the two outer layers 12 and 13 a foam body 14 is positioned, in the form of a spherical section, as shown in cross-section substantially in FIG is.
  • 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.
  • the lid main body 3a is formed in a swing frame 16 also made of carbon fibers and glass fibers, wherein also in the swing frame, a foam body 18 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 material. ser Mrs 18, followed by a glass fiber layer 19 and in the illustrated example, in turn, followed by a foil-like designed tracer heater 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 encapsulated. These areas are designated 28 in FIG. 5b.
  • a flame arresting body 21 may be located inside the frame 2, which may have a honeycomb-shaped structure, as is apparent from FIG. 1, for example.
  • honeycomb-shaped structure gas passageways 22, as indicated in Fig. 6, which 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 reaches becomes.
  • FIGS Details of a clamping ring 10a are shown in FIGS
  • the frame 2 is here provided at its lower outer edge region with a transverse Queritesslieh approximately S-shaped expansion, as is apparent in particular from FIG. 7.
  • Fig. 7 is also shown that 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-sectionally U-shaped tension bands, as can be seen from FIG. 1, or be enclosed by a tension band 10a onto 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.
  • These clamping claws 29 are highly resilient and pressure-resistant due to their threading on the steel tension 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 it is shown how 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 one after the other 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. If a flame arresting body 21 is not desired within the frame 2 or if one wishes to achieve additional protection, as shown in FIG. 11, the device 1 may also be provided overall with a flame arrestor cage generally designated 24, there being a support frame 25 a flame barrier fabric 26 is pulled, which prevents the penetration of flames to the outside.
  • a flame arrestor cage generally designated 24, there being 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.
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 true EP2084088A1 (fr) 2009-08-05
EP2084088B1 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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CN101832894B (zh) * 2009-10-29 2012-09-05 河南工业大学 筒仓结构内壁施加均布面载试验方法
DE102009053359B4 (de) * 2009-11-17 2019-10-31 Peter Reitinger Explosionsschutzklappe
DE102010016725A1 (de) 2010-04-30 2011-11-03 Silotech S.R.O. Druckentlastungsvorrichtung
DE102016117833B3 (de) * 2016-09-21 2017-09-07 Thorwesten Vent Gmbh Vorrichtung für geschlossene Systeme zum Ausgleich von Druckstößen
JP6441428B1 (ja) * 2017-09-11 2018-12-19 株式会社東芝 液体貯留システム及び液体貯留システムにおける不燃性ガスの供給方法
DE202018103945U1 (de) * 2018-07-10 2019-05-23 Thorwesten Vent Gmbh Vorrichtung für geschlossene Systeme zum Ausgleich von Druckstößen
US20230249903A1 (en) * 2022-02-09 2023-08-10 Encino Environimental Services, Llc Composite thief hatch systems

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Also Published As

Publication number Publication date
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
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
EP2084088B1 (fr) 2012-08-15
MY151642A (en) 2014-06-30
ES2389573T3 (es) 2012-10-29
CN101541647B (zh) 2012-10-10
CY1113090T1 (el) 2016-04-13

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