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WO2008036987A1 - Protection contre la propagation d'incendies et les explosions - Google Patents

Protection contre la propagation d'incendies et les explosions Download PDF

Info

Publication number
WO2008036987A1
WO2008036987A1 PCT/ZA2007/000044 ZA2007000044W WO2008036987A1 WO 2008036987 A1 WO2008036987 A1 WO 2008036987A1 ZA 2007000044 W ZA2007000044 W ZA 2007000044W WO 2008036987 A1 WO2008036987 A1 WO 2008036987A1
Authority
WO
WIPO (PCT)
Prior art keywords
nozzle
nozzles
array
base
orifice
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.)
Ceased
Application number
PCT/ZA2007/000044
Other languages
English (en)
Inventor
Helmut Späth
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AU2007298583A priority Critical patent/AU2007298583B2/en
Priority to CN2007800345024A priority patent/CN101516452B/zh
Priority to HK10100250.3A priority patent/HK1132696B/xx
Publication of WO2008036987A1 publication Critical patent/WO2008036987A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C31/00—Delivery of fire-extinguishing material
    • A62C31/02—Nozzles specially adapted for fire-extinguishing
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C31/00—Delivery of fire-extinguishing material
    • A62C31/005—Delivery of fire-extinguishing material using nozzles
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
    • E21F5/02—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires by wetting or spraying
    • E21F5/04—Spraying barriers

Definitions

  • This invention lies in the field of fire and explosion suppression, in particular the invention relates to mechanical equipment used in apparatus for fire and explosion protection. Apparatus of this kind has been described in South African patent 96/0178, granted to the present applicant, and in Patent Cooperation Treaty application PCT/ZA2005/00163, for example.
  • South African patent 96/0178 describes a valve for use in fire and explosion suppression apparatus, which achieves very fast opening of the valve, for example, within 2 or 4 milliseconds, which is critical for dealing with explosions effectively. Extinguishing substance, for example held in a steel pressure vessel at 100 to 150 bar is released to nozzles or other distribution means when the valve opens.
  • the fire and explosion suppression apparatus has been applied to "roadway" protection in underground mining and elsewhere as a mobile apparatus.
  • the apparatus must address the requirement of distribution of the extinguishing medium in differing surroundings in special ways, in particular as a "curtain" of extinguishing medium; this is sprayed out as a barrier to an advancing flame front and it is vital that the curtain is essentially imperforate.
  • This invention provides an addition, modification or improvement for addressing this requirement.
  • the present invention provides an array of nozzles which includes a plurality of individual nozzles, each nozzle having an orifice and a deflection surface, the deflection surface of each nozzle being oriented at an angle to a common base or base line and including at least two different angles.
  • the array of nozzles may also include nozzles of other types to the orifice- and-deflection type, for example "rose" type nozzles that have a plurality of holes at differing angles.
  • the nozzle having an orifice and deflection surface may be provided with one or more adapter(s) that may be interposed between the nozzle and the base to increase the angle between the nozzle deflector surface and the base.
  • Each deflector has a passage passing through it and surfaces for connection to the nozzle and base respectively that are inclined with respect to each other, presenting a "wedge-like" appearance.
  • Figure 1 is an isometric view of a nozzle array according to an embodiment of the invention
  • Figure 2 is a side elevation of the nozzle array
  • Figure 3 is a cross sectional side elevation of the nozzle array
  • Figure 4 is an elevation of one nozzle of the array
  • Figure 5 is a side cross sectional elevation of the nozzle
  • Figure 6 is an isometric view of a nozzle array according to another embodiment of the invention.
  • Figure 7 is a side elevation of the nozzle array
  • Figure 8 is a plan view of the "rose-like" nozzle
  • Figure 9 is a cross sectional side elevation of the "rose-like" nozzle
  • Figure 10 is an isometric view of an enhanced array of nozzles
  • Figure 11 is an elevation of the enhanced array of nozzles
  • Figure 12 is an isometric view of an enhanced array of nozzles which includes a "rose-like" nozzle
  • Figure 13 is an elevation of the enhanced array of nozzles which includes a "rose-like" nozzle
  • Figure 14 is a photograph of the enhanced nozzle array mounted on a wheeled carriage
  • Figure 15 is side elevation of the carriage bearing the nozzle array
  • Figure 16 is a photograph showing an obliquely angled enhanced array of nozzles on a wheeled carriage.
  • the array of nozzles includes a plurality of individual nozzles at positions 1 , 2, 3 and 4, each nozzle having an orifice 5 and a deflection surface 6, 7, 8 and 9, the deflection surface of each nozzle being oriented at a unique angle to a common base 10 and including at least two different angles, in this example four different angles.
  • the nozzles orifices are normally closed by rubber inserts 11 as shown located in the body of the nozzle and are blown out when the shielding or curtain-forming gas under very high pressure is applied to the nozzle.
  • the nozzle position 1 is provided by a single integrally formed unit 12 while the nozzle position 2 is formed by the unit 12 having an adapter 13 interposed between it and the base; the adapter has a passage 14 passing through it and leading to the nozzle orifice, with a "wedge-like" effect that increases the angle of the deflector surface to the base.
  • the nozzle position 3 is formed by the nozzle 12 having another adapter 14 interposed between the nozzle and the base.
  • the last nozzle position 4 has the nozzle 12 with both adaptors 13 and 14 interposed.
  • Figures 4 and 5 show the nozzle 12 in more detail and the rubber insert 11.
  • Figures 6 and 7 show another array of nozzles that includes three nozzles of the type shown in figures 1 to 3 with added to them a "rose-like" nozzle 15.
  • This nozzle has a cup-shaped component 16 that has holes 17 to 21 provided in it in at successive angles and in three axes 22 to 24 as seen in figure 8.
  • Figures 10 and 11 show an extended array of nozzles 25 made up of six nozzle sets of the kind shown in figures 1 to 3, arranged in a star formation as shown; the nozzles are directed so that a sheet of quenching substance is blown outwardly from the array.
  • Figures 12 and 13 show a similar array of nozzles 26 but of the kind shown in figures 6 and 7, with three defelction-type nozzles and one rose-type nozzle in each of the six sets.
  • Figures 14 and 15 show an array 27 mounted on a mobile platform 28; also seen are two opto-electronic detectors 29 which detect an approaching flame front of a fire or explosion and cylinders 30 that contain the quenching gas or poeder under very high pressure; control valves 31 are located below the cylinders.
  • the array of nozzles is mounted on a panel 32 on a pole 33 which is mounted on pins top and bottom so that it can be rotated to angle the array obliquely, as shown in figure 16. 000

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Nozzles (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)

Abstract

Barrière mobile pour galerie destinée à être utilisée en exploitation minière souterraine pour offrir une protection contre les explosions de méthane et la poussière de charbon en charbonnage, ladite barrière constituant une extension de l'invention décrite dans la demande de brevet PCT/ZA2005/000163. La barrière comprend un groupement de buses présentant une surface déflectrice et des adaptateurs conçus pour offrir un large choix de positions de réglage.
PCT/ZA2007/000044 2006-09-20 2007-07-19 Protection contre la propagation d'incendies et les explosions Ceased WO2008036987A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AU2007298583A AU2007298583B2 (en) 2006-09-20 2007-07-19 Further rie and explosion suppression
CN2007800345024A CN101516452B (zh) 2006-09-20 2007-07-19 进一步的火灾和爆炸抑制
HK10100250.3A HK1132696B (en) 2006-09-20 2007-07-19 Further rie and explosion suppression

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA2006/7866 2006-09-20
ZA200607866 2006-09-20

Publications (1)

Publication Number Publication Date
WO2008036987A1 true WO2008036987A1 (fr) 2008-03-27

Family

ID=38565475

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ZA2007/000044 Ceased WO2008036987A1 (fr) 2006-09-20 2007-07-19 Protection contre la propagation d'incendies et les explosions

Country Status (4)

Country Link
CN (1) CN101516452B (fr)
AU (1) AU2007298583B2 (fr)
WO (1) WO2008036987A1 (fr)
ZA (1) ZA200901150B (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2726897A (en) * 1952-03-26 1955-12-13 Harry B Dupont Fire fighting spray nozzle
US4475691A (en) * 1982-11-24 1984-10-09 South Park Corporation Fluid flow directional device
EP0518666A1 (fr) * 1991-06-14 1992-12-16 Spraying Systems Co. Buses de pulvérisation
US5669449A (en) * 1995-02-28 1997-09-23 Central Sprinkler Co. Directional sprinklers
EP1072290A2 (fr) * 1999-07-28 2001-01-31 KIDDE-DEUGRA Brandschutzsysteme GmbH Appareil d'extinction
US20030146303A1 (en) * 2002-02-06 2003-08-07 Johnson Thomas Les Spray nozzle
US20060150899A1 (en) * 2005-01-11 2006-07-13 Rain Bird Corporation Side and corner strip nozzle

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2577899Y (zh) * 2002-09-27 2003-10-08 牛喜华 水幕喷头
CN2613319Y (zh) * 2003-03-31 2004-04-28 首安工业消防股份有限公司 细水雾喷头

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2726897A (en) * 1952-03-26 1955-12-13 Harry B Dupont Fire fighting spray nozzle
US4475691A (en) * 1982-11-24 1984-10-09 South Park Corporation Fluid flow directional device
EP0518666A1 (fr) * 1991-06-14 1992-12-16 Spraying Systems Co. Buses de pulvérisation
US5669449A (en) * 1995-02-28 1997-09-23 Central Sprinkler Co. Directional sprinklers
EP1072290A2 (fr) * 1999-07-28 2001-01-31 KIDDE-DEUGRA Brandschutzsysteme GmbH Appareil d'extinction
US20030146303A1 (en) * 2002-02-06 2003-08-07 Johnson Thomas Les Spray nozzle
US20060150899A1 (en) * 2005-01-11 2006-07-13 Rain Bird Corporation Side and corner strip nozzle

Also Published As

Publication number Publication date
AU2007298583B2 (en) 2011-12-08
CN101516452B (zh) 2011-11-30
AU2007298583A1 (en) 2008-03-27
CN101516452A (zh) 2009-08-26
HK1132696A1 (en) 2010-03-05
ZA200901150B (en) 2010-10-27

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