EP1631358B1 - Dauerbrandsichere flammensperre - Google Patents

Dauerbrandsichere flammensperre Download PDF

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Publication number
EP1631358B1
EP1631358B1 EP04738609A EP04738609A EP1631358B1 EP 1631358 B1 EP1631358 B1 EP 1631358B1 EP 04738609 A EP04738609 A EP 04738609A EP 04738609 A EP04738609 A EP 04738609A EP 1631358 B1 EP1631358 B1 EP 1631358B1
Authority
EP
European Patent Office
Prior art keywords
flame arrester
flame
section
concentric
passage gaps
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.)
Expired - Lifetime
Application number
EP04738609A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1631358A1 (de
Inventor
Christoph Leinemann
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.)
Leinemann GmbH and Co KG
Original Assignee
Leinemann GmbH and Co 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 Leinemann GmbH and Co KG filed Critical Leinemann GmbH and Co KG
Priority to PL04738609T priority Critical patent/PL1631358T3/pl
Priority to SI200431237T priority patent/SI1631358T1/sl
Publication of EP1631358A1 publication Critical patent/EP1631358A1/de
Application granted granted Critical
Publication of EP1631358B1 publication Critical patent/EP1631358B1/de
Priority to CY20091101146T priority patent/CY1109571T1/el
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C4/00—Flame traps allowing passage of gas but not of flame or explosion wave
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C4/00—Flame traps allowing passage of gas but not of flame or explosion wave
    • A62C4/02—Flame traps allowing passage of gas but not of flame or explosion wave in gas-pipes

Definitions

  • the invention relates to a flameproof flame arrestor having a flow-restricting cross-sectional area in which there is a flame arrester insert having a flame arrestor assembly having a plurality of passageway securing passageways ensuring continuous fire safety formed by a corrugated metal strip co-wound with a smooth metal strip.
  • Durable flame arresters of this type are used to vent potentially explosive systems. They must be designed so that it can withstand fires in the event of ignition of the effluent gas or product / vapor / air mixtures, thus permitting flaring of the mixtures for an indefinite period of time, without it being possible for a flashover to occur in the part of the plant to be protected.
  • a flame-retardant flame arrester of this kind is, for example, by DE 1 041 423 known.
  • the flow cross-section is annular and encloses a hollow core piece, flows through the ambient air, which is sucked by the flame during flaring of the gas or vapor from the environment and used to cool a serving as a flame barrier ring grate.
  • disk-shaped flame arresters can only be used up to a certain maximum diameter and ring-shaped flame arresters must not exceed a certain width of the ring. Therefore, in many cases, the size of the flame arrester can be difficult because the flame arrestor has to be adapted to the connection of the pipe and for mixtures with high ignitability (explosion group IIB or IIC), where very narrow flame-extinguishing gaps in the flame arrester are necessary.
  • the width or the inner and / or outer diameter of the flame arrester is dimensioned so that a desired flow rate is achieved.
  • US 5,336,083 discloses a detonation arrestor assembly constructed in multiple parts. As seen in the flow direction, it consists of a flame-extinguishing material which has a multiplicity of passage gaps effecting flame extinction. This material is formed by suitable bulk materials. In the direction of flow on both sides of the flame-extinguishing material are detonation brakes in the form of stacked plates having slit-shaped spaces through which the flame front must pass in order to get to the flame-extinguishing material in the middle. In a variant of the detonation brakes they do not consist of rectilinear plates, but spirally wound bands, the slot-shaped intermediate spaces required for the gas passage are ensured by an interposed wavy band as a spacer.
  • the detonation brakes have the function of intercepting the detonation front and dividing it into individual detonation fronts.
  • the disclosed detonation detent order is not endurance-proof but is designed to provide only temporary fire safety. This function takes over the center arranged bulk material with the flame-extinguishing fine gaps, which is evenly distributed over the entire flow area.
  • AT 250 544 disclose a flame arrester having passageways formed by co-winding helically a smooth metal strip with a metal strip provided with bent tabs. This results in a uniform structure of the flame arrester with the passage columns.
  • the region of the flame arrester with the passage gaps is bounded radially outwardly by a ring which may be solid or is formed by the fact that the smooth metal strip is longer than the metal strip provided with the bent-out tongues, so that the smooth metal strip penetrates the radially outer ring tightly adjacent turns without passage column forms the reinforcing ring 7 of a fuse body.
  • the problem of endurance safety and heat dissipation is not addressed.
  • the invention has for its object to provide a flameproof flame arrester in the form of a disc-shaped or annular flame arrester, with the endurance of a fire endangered heating of the flame arrester can be avoided in a simple manner.
  • a flameproof barrier of the type mentioned above is inventively characterized in that within the modaquerites at least two Flammensperran extract are arranged with the passage gaps, between which there is a cooling ring forming a concentric section, which is solid without passage gaps.
  • the concentric portion may be formed as an annular portion and thus the flow area in a plurality of annular Divide flow areas.
  • a centrally arranged core can be provided.
  • the cross-sectional area of the flame arrester insert formed with the passage gaps is larger than the cross-sectional area without passage gaps.
  • the area without through-gaps is between 35 and 40% of the total area of a ring flame arrester and between 25 and 35% of the cross-sectional area of a disc flame arrester.
  • the inventively provided at least one concentric section thus divides the surface of the disk-shaped flame arrester, whereby an inadmissible heating in the radially inner region of the flame arrestor is avoided.
  • the at least one concentric portion may be formed of a heat-insulating material to limit the area in which forms a flame on the surface of the flame arrester, and to reduce heating in this area. But it is also possible and in many cases preferred to form the concentric portion of a good heat conductive material to accomplish in the concentric region improved heat dissipation within the flow area of the flame arrester.
  • a centrally arranged core as a concentric section which is formed of good heat conducting material, cause improved heat dissipation in the center of fürströmquerschnits and let, for example, a disc-shaped flame arrest to a flame arrester, whose passage gaps are arranged on an annular surface.
  • the concentric portion may be formed from a smoothly wound tightly wound smooth metal strip. This is particularly advantageous if the passage gaps of the flow cross-section are formed in a manner known per se by a corrugated metal strip spirally wound together with a smooth metal strip. While maintaining the winding operation, the supply of the corrugated metal strip to the winding device can be stopped to form a concentric section according to the invention and only the smooth metal strip are wound until regularly after a certain thickness of the resulting concentric section of the corrugated metal strip is fed back to the smooth metal strip , around to form an outer annular portion around the concentric portion.
  • FIG. 1 shows a first embodiment of a flame arrester according to the invention, which is annular. Accordingly, a housing 1 is provided which has an annular cage for cage forms an annular flow area 2. A middle part 3 is left free by the housing 1.
  • annular flame barrier arrangements 4 are arranged, which are radially separated from each other by a concentric section 5.
  • the flame arrestor assemblies 4 have passage gaps, while the concentric portion 5 is formed without passage gaps and consists of a good heat-conducting material, in particular metal.
  • the flame barrier arrangements 4 together with the concentric section 5 form a flame barrier insert 4, 5 with a width B.
  • the radial width B2 of the concentric section 5 forming a cooling ring is approximately the same as the equal widths B1 of the flame barrier arrangements 4.
  • FIG. 2 shows a fitting 6, with the flame arrester according to FIG. 1 Is provided.
  • the fitting 6 has a connection flange 7 for a line coming from a container or a corresponding connection flange of a container. Gas flowing out of the container (which also means product vapors) flows in the direction of the in FIG. 2 shown flow arrows 8.
  • the fitting 6 has a funnel-shaped widening housing 9, which is completed by the housing 1 of the flame arrester. The gas flows through the flame barrier sections 4 and, after passing through the flame barrier, can be burned by ignition into a flame 10 and thus made harmless.
  • the annular concentric portion 5 causes a limitation of the annular surfaces of the flame trap sections 4 and causes due to its massive formation without passage gaps a good heat dissipation, so a Cooling the flame barrier sections 4. This prevents the flame barrier sections 4 from heating up on the side facing the housing 9 of the fitting 6 until the ignition temperature for the outflowing gas is reached.
  • concentric portions 5 may be formed of solid metal, to effect a good heat dissipation. However, it must be ensured that at the transition between the flame trap sections 4 and the concentric sections 5 no too large gap widths arise.
  • a simplification of the production can be according to FIG. 4 indicated embodiment achieved in that the flame barrier sections 4 - as is known per se - is formed by a common spiral winding of a respective corrugated and a smooth metal strip.
  • the concentric section 5 can be carried out in a simple manner by further winding the smooth metal strip, which thus wound tightly sealed without passage gaps forms a quasi-massive concentric section 5 in the form of a cooling ring.
  • the housing 1 forms a containment cage for a disk-shaped flame arrester, such as they are suitable for smaller device dimensions. Similar to the embodiment according to FIG. 1 two annular flame trap sections 4 are radially separated from each other by a concentric section 5 in the form of a ring. In addition, however, another concentric portion 11 is provided in the form of a central core, around which the radially inner flame trap is annular.
  • FIG. 6 shows an embodiment of a spiral winding of a flame arrester, which is formed from a common winding of a corrugated metal strip 41 with a smooth metal strip 42.
  • a plurality, here five annular concentric portions 5 are formed, which are produced in that in the areas of the concentric portions 5, the smooth metal strip 42 alone, that is, without corrugated metal strip 41, has been wound.
  • each flame barrier sections 4 form with für spalten whose surfaces are limited, so that an excessive heating of the flame barrier sections 4 can be safely avoided.

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Gas Burners (AREA)
  • Fireproofing Substances (AREA)
  • Insulated Conductors (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
  • Building Environments (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Gas Separation By Absorption (AREA)
  • Sealing Material Composition (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)
  • Gasket Seals (AREA)
  • Installation Of Indoor Wiring (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Sink And Installation For Waste Water (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
EP04738609A 2003-06-06 2004-06-03 Dauerbrandsichere flammensperre Expired - Lifetime EP1631358B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PL04738609T PL1631358T3 (pl) 2003-06-06 2004-06-03 Trwała ognioodporna zapora płomieni
SI200431237T SI1631358T1 (sl) 2003-06-06 2004-06-03 Trajna ognjevarna plamenska zapora
CY20091101146T CY1109571T1 (el) 2003-06-06 2009-11-05 Ανθεκτικη σε συνεχη καυση φλογοπαγιδα

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10326150A DE10326150B4 (de) 2003-06-06 2003-06-06 Dauerbrandsichere Flammensperre
PCT/DE2004/001155 WO2004108219A1 (de) 2003-06-06 2004-06-03 Dauerbrandsichere flammensperre

Publications (2)

Publication Number Publication Date
EP1631358A1 EP1631358A1 (de) 2006-03-08
EP1631358B1 true EP1631358B1 (de) 2009-09-02

Family

ID=33494929

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04738609A Expired - Lifetime EP1631358B1 (de) 2003-06-06 2004-06-03 Dauerbrandsichere flammensperre

Country Status (17)

Country Link
US (1) US7918664B2 (da)
EP (1) EP1631358B1 (da)
JP (1) JP4226628B2 (da)
KR (1) KR100904126B1 (da)
AT (1) ATE441463T1 (da)
BR (1) BRPI0411014A (da)
CA (1) CA2526788C (da)
CY (1) CY1109571T1 (da)
DE (2) DE10326150B4 (da)
DK (1) DK1631358T3 (da)
ES (1) ES2329372T3 (da)
NO (1) NO20055065L (da)
PL (1) PL1631358T3 (da)
PT (1) PT1631358E (da)
SI (1) SI1631358T1 (da)
TW (1) TWI325481B (da)
WO (1) WO2004108219A1 (da)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4350916A1 (de) 2022-10-05 2024-04-10 ALSTOM Holdings Flammendichte kabeldurchführung, container und schienenfahrzeug mit einer flammendichten kabeldurchführung, sowie verwendung einer schaumstoffdichtung

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK200701284A (da) 2007-09-07 2009-03-08 Hansen Lars Fakkel med betjenings-anordning
US9512998B2 (en) 2008-02-28 2016-12-06 Lamplight Farms Incorporated Twin wick torch
US8435029B2 (en) * 2008-02-28 2013-05-07 Lamplight Farms Incorporated Touchless fill large flame torch
US8550813B2 (en) * 2008-02-28 2013-10-08 Lamplight Farms Incorporated No touch pour torch top
US20100112503A1 (en) * 2008-10-13 2010-05-06 Daniel Masterson Large flame torch with textured flame bowl
KR101008402B1 (ko) * 2008-12-19 2011-01-14 삼성에스디아이 주식회사 개질장치
CH701405A1 (de) * 2009-07-03 2011-01-14 Johannes Schwarz Brandhemmender Körper und Band zur Herstellung desselben.
DE102010016782B4 (de) * 2010-05-04 2016-12-08 R.Stahl Schaltgeräte GmbH Druckentlastungsvorrichtung für druckfest gekapselte Gehäuse
DE102010056590A1 (de) * 2010-12-30 2012-07-05 Leinemann Gmbh & Co. Kg Flammendurchschlagsicherung
US20120189966A1 (en) * 2011-01-21 2012-07-26 Brooker Dwight E Detonation flame arrestor including a transition point/attenuation matrix and torturous path media
USD670415S1 (en) 2011-01-24 2012-11-06 Lamplight Farms Incorporated Twin wick top for a torch
US9702549B2 (en) 2012-05-29 2017-07-11 Lamplight Farms Incorporated Torch with twist open fire bowl
DE102013208081A1 (de) * 2013-05-02 2014-11-06 Robert Bosch Gmbh Fluidverteiler, Elektrolyseur sowie Verfahren zur Funktion eines Fluidverteilers
USD733199S1 (en) 2013-12-09 2015-06-30 Lamplight Farms Incorporated Liquid fuel torch burner with indented top
US9612010B1 (en) 2013-12-09 2017-04-04 Lamplight Farms Incorporated Enhanced torch top burner
EP3099382B1 (en) 2014-01-28 2023-09-06 Elmac Technologies Limited Flame arresters
GB2522476A (en) * 2014-01-28 2015-07-29 Elmac Technologies Ltd Flame arrester
CN105334305B (zh) * 2014-07-14 2020-10-16 霍尼韦尔国际公司 多孔构件
US20180056100A1 (en) 2016-08-31 2018-03-01 Emerson Process Management Regulator Technologies Tulsa, Llc Method for Manufacturing a Flame Arrestor
US9987508B2 (en) * 2016-08-31 2018-06-05 Emerson Process Management Regulator Technologies Tulsa, Llc Hybrid composite flame cell
KR102002521B1 (ko) * 2017-12-28 2019-10-01 주식회사 탑세이프 화염 차단 장치
KR102002522B1 (ko) * 2017-12-28 2019-07-22 주식회사 탑세이프 화염 차단 장치
GB201816489D0 (en) 2018-10-10 2018-11-28 Elmac Tech Limited Flame Arrester Element
CN111097118B (zh) * 2019-12-19 2020-11-27 山东双枭机电科技有限公司 流量分散型低压降大口径阻火器

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US3748111A (en) * 1971-06-11 1973-07-24 W Klose Flame arrestor
GB2019718B (en) 1977-12-09 1982-08-04 Chalmers & Mitchell Ltd Enclosures for electrical equipment
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4350916A1 (de) 2022-10-05 2024-04-10 ALSTOM Holdings Flammendichte kabeldurchführung, container und schienenfahrzeug mit einer flammendichten kabeldurchführung, sowie verwendung einer schaumstoffdichtung
WO2024074463A1 (de) 2022-10-05 2024-04-11 Alstom Holdings Flammendichte kabeldurchführung, container und schienenfahrzeug mit einer flammendichten kabeldurchführung, sowie verwendung einer schaumstoffdichtung

Also Published As

Publication number Publication date
DE10326150B4 (de) 2005-12-15
NO20055065L (no) 2005-10-31
ES2329372T3 (es) 2009-11-25
EP1631358A1 (de) 2006-03-08
JP2006526754A (ja) 2006-11-24
WO2004108219A1 (de) 2004-12-16
DE10326150A1 (de) 2005-02-17
DE502004010006D1 (de) 2009-10-15
TW200506277A (en) 2005-02-16
US20060144599A1 (en) 2006-07-06
KR20060009386A (ko) 2006-01-31
US7918664B2 (en) 2011-04-05
PL1631358T3 (pl) 2010-02-26
CA2526788C (en) 2011-11-01
KR100904126B1 (ko) 2009-06-24
SI1631358T1 (sl) 2009-12-31
PT1631358E (pt) 2009-09-29
TWI325481B (en) 2010-06-01
ATE441463T1 (de) 2009-09-15
CY1109571T1 (el) 2014-08-13
CA2526788A1 (en) 2004-12-16
DK1631358T3 (da) 2009-11-23
JP4226628B2 (ja) 2009-02-18
BRPI0411014A (pt) 2006-07-04

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