EP1240923B1 - Flammensperrbauteil - Google Patents
Flammensperrbauteil Download PDFInfo
- Publication number
- EP1240923B1 EP1240923B1 EP02001529A EP02001529A EP1240923B1 EP 1240923 B1 EP1240923 B1 EP 1240923B1 EP 02001529 A EP02001529 A EP 02001529A EP 02001529 A EP02001529 A EP 02001529A EP 1240923 B1 EP1240923 B1 EP 1240923B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- flame
- flame barrier
- elements
- spacer
- spacer element
- 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
Links
Images
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
- A62C4/02—Flame traps allowing passage of gas but not of flame or explosion wave in gas-pipes
Definitions
- the invention relates to a flame arresting component according to the preamble of claim 1.
- a flame arrestor assembly may comprise at least two flame arresting elements arranged one behind the other in the direction of flow of a combustible gas such that, in use, the combustible gas passes sequentially through the flame arresting elements having a plurality of gaps for extinguishing a flame impinging on the surface of a flame arrester element, at least one of the spacers between the flame barrier elements is arranged to effect a clearance between adjacent flame barrier elements.
- flame arrester To protect against explosions, detonations and continuous fires flame arresters are used with a so-called flame arrester, which prevents the propagation of flames from explosions, detonations or permanent fires and thus flame blowouts.
- flame arresters There are a variety of different designs of flame arresters known, which can be classified essentially in the category of static dry, static wet and dynamic flame arresters.
- Such flame arresters can be designed as narrow mesh screens, plate fuses, sintered metals, pebbles and as so-called tape backups. It is essential that the selected for securing column of the flame arrester can be reproducibly kept within very narrow tolerance ranges. Therefore, nowadays tape backups are mainly used, which are manufactured by winding each of a smooth and a corrugated band.
- the corrugated strip is provided with straight or left or right oblique corrugations defining the gap width. This is in the range of 0.2 to max. 1.5 mm depending on the explosion mixture.
- two, three or more retaining washers are combined as flame arresting elements, optionally in combination with an encircling cage, to increase the mechanical strength to a complete flame arrestor.
- a flame arrester is disclosed, for example, in EP 0 375 455 A2. It is a flame arrester with flame arrester shown consisting of four a direction of flow of a combustible gas behind one another arranged flame arresting elements. Between the individual flame arresting elements narrow spaces are provided which provide an expansion zone for the gas in the gaps and to a turbulent flow of the Lead gas. The spaces are caused by spacers between the flame barrier elements.
- US Pat. No. 5,415,233 describes a generic flame arrester component and a flame arrestor arrangement with a plurality of flame arresting elements arranged one behind the other in the direction of flow of a combustible gas. Spacer elements are loosely inserted between the individual flame arrestor elements.
- FR 1 373 802 A discloses a flame arrestor having a flame arrestor having a plurality of gaps for extinguishing a flame impinging on the surface of the flame arrester.
- An annular collar rigidly connects a side surface of the flame arrester with a spacer when the flame arresting elements are installed in the flame arrestor.
- US Pat. No. 5,203,296 A discloses a flame barrier arrangement with a spirally wound sheet metal strip extending in the flow direction. Spacers in the form of nubs are provided between the individual sheets, which hold the portions of the one-piece flame arrester at a distance to each other.
- the conventional spacers are loosely sandwiched between the flame arresting elements during assembly of a multi-layered flame arrester.
- the spacer elements are in this case formed for example of a closed triangular or polygonal or loop-like wire ring.
- the conventional spacers offer only insufficient mechanical strength.
- the relatively expensive flame arrestor elements can be light be destroyed.
- the flame arresters are deformed using conventional spacers, thereby reducing the space between adjacent flame filter elements.
- the object of the invention is therefore to provide an improved generic flame arrester.
- a flame arrestor component with the features of the main claim, characterized in that a spacer element is at least selectively welded to the surface of the flame arrestor element.
- connection of the spacer elements takes place in the spot welding process, so that the surface of the flame barrier element available for the passage of gas and liquid is not unnecessarily reduced.
- the spacers are preferably shaped so as to form support points distributed over the entire surface of the corresponding band securing element, so that a deflection of the bandages under pressure loading is prevented.
- the conventional spacer elements provide only unevenly distributed bearing surfaces, which also provide support points partly only in the outer peripheral region of the flame barrier elements.
- the spacer may be used for this purpose e.g. be grid-shaped.
- the spacers may be formed of wire mesh, wire mesh and / or round rods.
- FIG. 1 shows a flame arrester 1 with three flame barrier elements 2a, 2b, 2c arranged one after the other in the direction of flow of a combustible gas, which are installed in a surrounding cage 3.
- the enclosure cage 3 is in two parts, so that the flame barrier elements 2a, 2b, 2c can be easily mounted and later dismantled for replacement and cleaning.
- the two parts of the encircling cage 3 are held together by a screw 4.
- FIG. 2 shows a cross-sectional view of a flame barrier component with a flame barrier element 2, on the surface of which a spacer element is arranged.
- the spacer element 5 is fixedly connected to the surface of the flame barrier element 2, preferably by spot welding connections 6. In this way, the flame arrestor is stabilized and mechanical damage during disassembly or cleaning as well as deformation of the flame arresting member upon impact of a detonation wave is prevented.
- FIG. 3 shows the flame arresting component from FIG. 2 in plan view.
- the spacer element 2 consists of a plurality of parallel rods, which are arranged at a distance from one another and uniformly distributed over the entire surface of the flame barrier element 2 support points for an adjacent flame arrester component.
- a deflection of the flame arresting element 2 is effectively prevented under pressure load, in particular when hitting a detonation wave.
- FIG. 4 shows an advantageous embodiment of a spacer element 2, which is formed from a wire mesh. At the crossing points of the wire mesh, the spacer element 5 is spot-welded to the associated flame arresting element 2, as can be seen from the cross-sectional views of FIGS. 5 and 6.
- FIG. 7 shows a plan view of a flame barrier element 2 with the wire-shaped spacer element 5, which has a spot-welded connection 6 with the flame barrier element 2 uniformly at every second intersection point.
- FIG. 8 shows a flame arresting element 2 in the embodiment of a tape securing element in the cutout as a top view.
- the band securing element is made of a smooth band 7 and an overlying ribbed Band 8 formed, which are spirally wound.
- the smooth belt 7 and the corrugated belt 8 are usually about 10 mm wide.
- the corrugation in the corrugated band 8 defines the columns.
- the gap width SW is in the range of less than 0.2 mm to a maximum of 1.5 mm, depending on the medium for which the band securing element is designed.
- FIG. 9 shows a conventional flame arrester 1 with three flame arresting elements 2a, 2b and 2c arranged one behind the other in the direction of flow of a combustible gas, which are installed in a surrounding cage 3.
- the spacer elements 5 are loosely inserted between the flame arresting elements 2a, 2b and 2c and lie only unevenly on the surface of the corresponding flame arresting element 2a, 2b or 2c.
- FIG. 10 shows an embodiment of a conventional triangular spacer element 9 which is inserted loosely between the flame barrier elements 2. From the cross-sectional illustration it can be seen that the spacer element 9 is formed from a round wire.
- FIG. 11 shows another embodiment of a conventional loop-shaped spacer element 10, which is likewise inserted loosely between the flame barrier elements 2 and rests unevenly on the surface of the corresponding flame barrier element 2.
- the cross-sectional representation shows that the spacer element 10 is likewise formed from a round wire and the support surface is distributed unevenly in cross-section on the surface of the corresponding flame barrier element 2.
- the stability of the flame arrestor component is increased and ensures a constant gap between the adjoining flame arrestor components even under pressure load.
Landscapes
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Health & Medical Sciences (AREA)
- Gas Burners (AREA)
- Thermistors And Varistors (AREA)
- Separation By Low-Temperature Treatments (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Filtering Materials (AREA)
- Emergency Protection Circuit Devices (AREA)
- Building Environments (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
- Developing Agents For Electrophotography (AREA)
- Materials For Medical Uses (AREA)
- Woven Fabrics (AREA)
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
- Combustion Of Fluid Fuel (AREA)
- Control Of Combustion (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10112957 | 2001-03-17 | ||
DE10112957A DE10112957B4 (de) | 2001-03-17 | 2001-03-17 | Flammensperrenanordnung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1240923A1 EP1240923A1 (de) | 2002-09-18 |
EP1240923B1 true EP1240923B1 (de) | 2006-12-06 |
Family
ID=7677868
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02001529A Expired - Lifetime EP1240923B1 (de) | 2001-03-17 | 2002-01-23 | Flammensperrbauteil |
Country Status (13)
Country | Link |
---|---|
US (1) | US6978845B2 (pl) |
EP (1) | EP1240923B1 (pl) |
AT (1) | ATE347402T1 (pl) |
BR (1) | BR0200841B1 (pl) |
CA (1) | CA2372505C (pl) |
CZ (1) | CZ299455B6 (pl) |
DE (2) | DE10112957B4 (pl) |
ES (1) | ES2277965T3 (pl) |
HU (1) | HU224488B1 (pl) |
NO (1) | NO20021237L (pl) |
PL (1) | PL200865B1 (pl) |
PT (1) | PT1240923E (pl) |
TW (1) | TW500617B (pl) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101349196B (zh) * | 2007-07-18 | 2010-06-16 | Mt.H控制阀株式会社 | 防止内燃机火焰外喷的捕集装置 |
DE102014116149A1 (de) | 2014-11-06 | 2016-05-12 | R. Stahl Schaltgeräte GmbH | Flammenschutzfilter aus einer Anzahl von Schichtenfolgen sowie Anordnungen von Flammenschutzfiltern und deren Verwendung |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006026510B3 (de) * | 2006-06-06 | 2007-05-24 | Leinemann Gmbh & Co. Kg | Flammensperreinsatz und Verfahren zu seiner Herstellung |
KR100767283B1 (ko) | 2006-10-04 | 2007-10-17 | 엠티에이치콘트롤밸브(주) | 내연기관의 화염분출방지용 트랩장치 |
KR20090077128A (ko) * | 2008-01-10 | 2009-07-15 | 엠티에이치콘트롤밸브(주) | 내연기관의 화염분출방지용 트랩장치 |
KR100918021B1 (ko) | 2008-09-19 | 2009-09-18 | 유니테크 주식회사 | 폭발 릴리이프 밸브 |
RU2483769C2 (ru) * | 2009-05-27 | 2013-06-10 | Олег Савельевич Кочетов | Металлокерамический огнепреградитель |
RU2484865C2 (ru) * | 2009-05-27 | 2013-06-20 | Олег Савельевич Кочетов | Огнепреградитель кассетного типа |
CN103362608B (zh) * | 2013-08-06 | 2015-09-09 | 北京凯润机电设备制造有限责任公司 | 一种栅栏阻火器及其制造方法 |
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 |
DE102017112162A1 (de) * | 2017-06-01 | 2018-12-06 | R. Stahl Schaltgeräte GmbH | Flammenschutzfilter |
KR102221876B1 (ko) * | 2018-10-02 | 2021-03-03 | 주식회사 탑세이프 | 화염 차단 장치 |
CN109432638A (zh) * | 2018-11-02 | 2019-03-08 | 浙江工业大学之江学院 | 一种模块化内凹式防爆阀用阻燃片 |
US11833380B2 (en) * | 2019-02-15 | 2023-12-05 | Dwight Brooker | Flame arrester/burner assembly with a multifarious element for preventing deflagrations and extended endurance burning time |
CN113813531B (zh) * | 2020-06-18 | 2023-08-01 | 中国石油化工股份有限公司 | 复合阻火结构的高承压阻火器 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1373802A (fr) * | 1963-08-20 | 1964-10-02 | Dispositif de protection à sec contre les retours de flamme |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1693958A (en) * | 1926-09-02 | 1928-12-04 | John S Patten | Breather cover for tanks |
DE661801C (de) * | 1937-05-23 | 1938-06-27 | I G Farbenindustrie Akt Ges | Trockene Gasrueckschlagsicherung |
DE8606239U1 (de) * | 1986-03-07 | 1986-04-30 | Robert von Keitz KG, 6250 Limburg | Zapfventil |
CA1311409C (en) * | 1988-12-23 | 1992-12-15 | Nicholas Roussakis | Flame arrester having detonation-attenuating means |
US5402603A (en) * | 1992-01-03 | 1995-04-04 | Henley; Robert L. | Flapper plate detonation flame arrester |
US5203296A (en) * | 1992-04-09 | 1993-04-20 | Barbron Corporation | Flame arrester having helical flame arresting member |
WO1994000197A1 (en) * | 1992-06-30 | 1994-01-06 | Chem-Mech Engineering Laboratories | Flame arrestor apparatus |
FR2720284B1 (fr) * | 1994-05-25 | 1996-06-28 | Schlumberger Ind Sa | Dispositif pare-flammes. |
US5765332A (en) * | 1995-02-21 | 1998-06-16 | Minnesota Mining And Manufacturing Company | Fire barrier protected dynamic joint |
-
2001
- 2001-03-17 DE DE10112957A patent/DE10112957B4/de not_active Expired - Fee Related
-
2002
- 2002-01-23 DE DE50208875T patent/DE50208875D1/de not_active Expired - Lifetime
- 2002-01-23 EP EP02001529A patent/EP1240923B1/de not_active Expired - Lifetime
- 2002-01-23 AT AT02001529T patent/ATE347402T1/de active
- 2002-01-23 PT PT02001529T patent/PT1240923E/pt unknown
- 2002-01-23 ES ES02001529T patent/ES2277965T3/es not_active Expired - Lifetime
- 2002-01-25 TW TW091101226A patent/TW500617B/zh not_active IP Right Cessation
- 2002-01-31 PL PL351970A patent/PL200865B1/pl not_active IP Right Cessation
- 2002-02-18 CA CA002372505A patent/CA2372505C/en not_active Expired - Fee Related
- 2002-02-21 CZ CZ20020646A patent/CZ299455B6/cs not_active IP Right Cessation
- 2002-02-25 HU HU0200699A patent/HU224488B1/hu not_active IP Right Cessation
- 2002-03-13 NO NO20021237A patent/NO20021237L/no not_active Application Discontinuation
- 2002-03-15 BR BRPI0200841-6A patent/BR0200841B1/pt not_active IP Right Cessation
- 2002-03-15 US US10/097,386 patent/US6978845B2/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1373802A (fr) * | 1963-08-20 | 1964-10-02 | Dispositif de protection à sec contre les retours de flamme |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101349196B (zh) * | 2007-07-18 | 2010-06-16 | Mt.H控制阀株式会社 | 防止内燃机火焰外喷的捕集装置 |
DE102014116149A1 (de) | 2014-11-06 | 2016-05-12 | R. Stahl Schaltgeräte GmbH | Flammenschutzfilter aus einer Anzahl von Schichtenfolgen sowie Anordnungen von Flammenschutzfiltern und deren Verwendung |
WO2016070874A1 (de) | 2014-11-06 | 2016-05-12 | R. Stahl Schaltgeräte GmbH | Flammenschutzfilter aus einer anzahl von schichtenfolgen sowie anordnungen von flammenschutzfiltern und deren verwendung |
US10537760B2 (en) | 2014-11-06 | 2020-01-21 | R. Stahl Schaltgeraete Gmbh | Flame-guard filter composed of a number of layer sequences, and arrangements of flame-guard filters and their use |
Also Published As
Publication number | Publication date |
---|---|
DE10112957A1 (de) | 2002-10-24 |
DE50208875D1 (de) | 2007-01-18 |
BR0200841B1 (pt) | 2010-12-28 |
US20020129947A1 (en) | 2002-09-19 |
PT1240923E (pt) | 2007-03-30 |
ATE347402T1 (de) | 2006-12-15 |
TW500617B (en) | 2002-09-01 |
ES2277965T3 (es) | 2007-08-01 |
DE10112957B4 (de) | 2005-12-22 |
PL351970A1 (en) | 2002-09-23 |
NO20021237D0 (no) | 2002-03-13 |
US6978845B2 (en) | 2005-12-27 |
PL200865B1 (pl) | 2009-02-27 |
CA2372505C (en) | 2009-09-01 |
CZ2002646A3 (cs) | 2002-11-13 |
HUP0200699A2 (en) | 2002-09-28 |
CZ299455B6 (cs) | 2008-07-30 |
EP1240923A1 (de) | 2002-09-18 |
HU0200699D0 (en) | 2002-04-29 |
NO20021237L (no) | 2002-09-18 |
BR0200841A (pt) | 2002-12-10 |
CA2372505A1 (en) | 2002-09-17 |
HU224488B1 (hu) | 2005-09-28 |
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