TW201103600A - Fire suppressor cylinders with enhanced bubble production - Google Patents

Fire suppressor cylinders with enhanced bubble production Download PDF

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Publication number
TW201103600A
TW201103600A TW099118242A TW99118242A TW201103600A TW 201103600 A TW201103600 A TW 201103600A TW 099118242 A TW099118242 A TW 099118242A TW 99118242 A TW99118242 A TW 99118242A TW 201103600 A TW201103600 A TW 201103600A
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TW
Taiwan
Prior art keywords
flame arrester
wall
arrester
fire
liquid
Prior art date
Application number
TW099118242A
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English (en)
Inventor
Paul Rennie
Robert Pallant
Original Assignee
Kidde Tech Inc
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.)
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Publication date
Application filed by Kidde Tech Inc filed Critical Kidde Tech Inc
Publication of TW201103600A publication Critical patent/TW201103600A/zh

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Classifications

    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C3/00Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/07Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C13/00Portable extinguishers which are permanently pressurised or pressurised immediately before use
    • A62C13/62Portable extinguishers which are permanently pressurised or pressurised immediately before use with a single permanently pressurised container
    • A62C13/64Portable extinguishers which are permanently pressurised or pressurised immediately before use with a single permanently pressurised container the extinguishing material being released by means of a valve
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C5/00Making of fire-extinguishing materials immediately before use
    • A62C5/02Making of fire-extinguishing materials immediately before use of foam
    • A62C5/022Making of fire-extinguishing materials immediately before use of foam with air or gas present as such
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C99/00Subject matter not provided for in other groups of this subclass
    • A62C99/0009Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames
    • A62C99/0036Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames using foam
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/0018Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Fireproofing Substances (AREA)
  • Building Environments (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)

Description

201103600 六、發明說明: 【發明所屬之技術領域】 本申請案係關於一種阻火器,其中液態抑制劑係經由產 生氣體泡沫而從儲罐中逐出。 【先前技術】 阻火器為已知,且包括可朝火焰排放之多種藥劑。—種 咼排放速率阻火器係利用使加壓劑自揮發性液體劑快速解 吸附,從而將該液體劑從阻火器儲罐中逐出,該加壓劑— 般為經加壓之氮氣或二氧化碳。 一般,閥係經致動而打開,繼而,已溶解的氣體在藥劑 中快速產生泡沫而得到泡沫混合物,其膨脹並自儲罐排 放。此泡沫之產生對藥劑之有效施配而言至關重要。 此現象之最近研究已指出,所排放之藥劑之比例隨著溫 度降低而減少。此點認為係歸因於熱力學及動力學效應之 結合。在低溫下,一些氣體變得難溶於液體劑,然而同樣 地,產生泡沫之速率將改變。 爲了產生泡沐’該等泡沫必需克服阻火器内部之壓力亦 及藉由液體表面張力導致的阻力,該阻力在低溫下可增 加。試驗已提議,尤其針對高度可溶性氣體而言,於該等 低溫下,泡沫之初步產生可能為速率決定性步驟。 悉知在表面上提供凝核點可形成氣體泡沫。凝核點之— 個貫例為在香檳高腳杯上具有表面缺陷。此種(凝核)點可 提供可使氣體分子凝聚之表面。 然而,阻火器中仍未利用凝核點。 148603.doc 201103600 【發明内容】 本發明係關於-種阻火器,其包括儲罐出口處之闊、及 十對°亥閥之控制器。该儲罐可接收液態抑制劑及經加壓之 氣體。在該儲罐部分内,提供卜種可接受該液態抑制劑 之結構n態抑制劑内,該結構可增加氣體泡沫產生。 可攸以下說明書及圖式中最佳瞭解本發明之該等及其他 結構,其中以下為簡單的描述。 【實施方式】 一阻火器20示於圖1中。此種模組可包括於交通工具(諸 如地面父通工具或飛行器)之壁24中。維持不發生火災之 -區域22係與該模組2〇相關…閥3Q可藉由—控制器叫 擇性地控制而打開,且允許將藥劑噴射至該區域22内。閥 3〇及控制器31之操作可如美國專利申請公開案2〇〇6_ 0016608中所揭示般,該公開案的内容係以引用的方式併 入然而,s玄阻火器顯示其噴嘴係延伸通過壁24,較常見 的可能係,將鋼瓶安裝在壁外側上之托架中,且開口延伸 通過此壁。 該模組20包括接收液體劑28及氣體32之一儲罐%。該液 體劑28包括一些已溶解的氣體。儲罐%之壁34下部分係經 粗糙化,如以放大尺寸以36所示。儲罐26之金屬壁上之缺 陷尺寸係如36所顯示般放大以說明粗糙化表面事實。該等 表面可在下部分34形成後進行粗糙化,或作為彼者製造部 分進行粗糙化。下部分之高度可對應液體劑28之約水平。 或者’可將該儲罐之整個表面粗糙化。 148603.doc 201103600 在實施例t,粗链化部 高度,或更狹窄言之,為約〇ί處於1 _或更小之 马約 0.1 mm至 0.5 。 圓2顯示另—個實施例5〇, ^ ^ %1 9« Λ,具中儲罐52接收在其液態 抑制劑28内之一種粉末54。 m -¾ 擇〇杈末以使其不會與該液 體劑28反應、或不溶於該 而可提供凝核點,作卻不千心,且為足夠細的顆粒 仁部不干預阻火器。實例粉末可為氧化 矽、氧化鋁、滑石、雲母、 山 ^ 反酉文風鈉 '石反酸氫鉀及磷酸二 蛊錄。 圖3顯示又另一個實施例60,其中儲雄0目@ 丹Tw罐62具有内置表面 。選擇έ玄内置表面64以使盆尤合命、六热 使八不會與液態抑制劑28反應。 在一個例示性實施例中,利用
不』用3-D篩網材料。此外,該3_D 表面可提供凝核點。 雖然已顯示了若干實施例, 到粗链化表面之另一種方法為 瓶内側。在此種實施例中,亦 用之材料以使其不會與液體劑 2實施例之粉末般。 然例如在圖1實施例中,得 簡單地將一粗縫襯層附至鋼 應較佳選擇為提供襯層所利 反應或溶於液體劑中,如圖 圖4顯示又另-個實施例7〇, #中該儲扣包括一氣體 鋼瓶M。該氣體鋼瓶74與控制器31相連,以致在控制器” 致動閥30時,其同樣致動氣體鋼瓶74,因而其開始使氣體 泡沫通過一針閥76喷射進入液態抑制劑28中。 總而言之,已揭示四個實施例,其中在儲罐内,提供一 種結構,該結構在液體劑内可增加泡沫產生。如可瞭解 般,該等泡沫產生較佳係在排放期間發生,及在朝火施配 148603.doc 201103600 阻火材料之操作期間產生。如在先前技術中,泡沫可在不 a垓、,、。構下產生。該結構可增加該等泡沫之數量及形成速 率。該結構可為粗糙化表面(圖υ、一種粉末(圖2)、一些 内置表面(圖3) '或實際上為喷射泡沫系統(圖4)。當然, 等僅為舉例’ 增加泡沐形成之其他方法亦可在本發明 之範圍内。 雖‘、、、已揭不本發明之實施例,一般熟習此項相關技術之 工作㈣瞭解,在本發明之範圍内可進行—些修改。就此 ,、 °應研九以下申請專利範圍以確定本發明之真實 範圍及内容。 【圖式簡單說明】 圖1顯示本發明之第一個實施例。 圖2顯示本發明之第二個實施例。 圖3顯示本發明之第三個實施例。 圖4顯示本發明之第四個實施例。 【主要元件符號說明】 20 阻火器(模組) 22 區域 24 壁 26 儲罐 28 液體劑 30 閥 31 控制器 32 氣體 148603.doc 201103600 34 壁下部分 36 粗糙化部分 50 實施例 52 儲罐 54 粉末 60 實施例 62 儲罐 64 内置表面 70 實施例 72 儲罐 74 氣體鋼瓶 76 針閥 148603.doc

Claims (1)

  1. 201103600 七、申請專利範圍: 1. 一種阻火器,其包括: 儲罐出口處之閥、及針對該閥之控制器,該儲罐適用 於接收液態抑制劑及經加壓之氣體;及 該儲罐部分内之結構(feature) ’其可接收液態抑制 劑,該結構適用於增加該液態抑制劑中之氣體泡沫產生 量。 2·如請求項丨之阻火器,其中該結構係於該儲罐之至少— 部分内壁上形成。 3. 如請求項2之阻火器,其中該結構係僅在該儲罐之該内 壁之與液態抑制劑之約水平相關之部分處形成。 4. 如請求項2之阻火器,其中該結構為在該内壁上之粗糙 化表面。 5. 如請求項2之阻火器,其中該内壁上之該粗糙化表面之 局度小於1 mm。 6. 如請求項5中之阻火器,其中該内壁上之該粗糙化表面 之南度介於〇. 1 mm及0.5 mm之間。 7·如請求項1之阻火器,其中該結構為粉末材料包含於液 態抑制劑中之包含體。 8.如請求項7之阻火器,其中該粉末可為氧化矽、氧化 鋁、滑石、雲母、碳酸氫鈉、碳酸氫鉀及磷酸二氫銨中 之一者。 9_如請求項1之阻火器,其中該結構為包括於該儲罐内之 一表面’且該表面將被浸沒於液態抑制劑中。 I48603.doc 201103600 其中s玄表面為包括於儲罐内之3-D 10.如請求項9之阻火器 材料。 11. 如請求項10之阻火器,其中該3_d材料為筛網 其可在 抑制劑 12. 如請求項1之阻火器,其中該結構為氣體鋼瓶, 已確認火災下操作而將氣體泡沫噴射進 八液態 中。 148603.doc
TW099118242A 2009-07-10 2010-06-04 Fire suppressor cylinders with enhanced bubble production TW201103600A (en)

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GB0912100.5A GB2471993B (en) 2009-07-10 2009-07-10 Fire suppressor cylinders with enhanced bubble production

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US (1) US8607885B2 (zh)
EP (1) EP2272568A1 (zh)
JP (1) JP5325170B2 (zh)
KR (1) KR101196941B1 (zh)
CN (1) CN101954158B (zh)
AU (1) AU2010202855C1 (zh)
BR (1) BRPI1002445A2 (zh)
CA (1) CA2706265C (zh)
GB (1) GB2471993B (zh)
IL (1) IL206935A (zh)
SG (1) SG168480A1 (zh)
TW (1) TW201103600A (zh)
ZA (1) ZA201003881B (zh)

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CN101954158A (zh) 2011-01-26
IL206935A (en) 2014-02-27
AU2010202855C1 (en) 2013-05-09
JP5325170B2 (ja) 2013-10-23
AU2010202855A1 (en) 2011-01-27
GB2471993B (en) 2012-10-31
AU2010202855B2 (en) 2012-11-01
KR20110005635A (ko) 2011-01-18
US8607885B2 (en) 2013-12-17
CN101954158B (zh) 2013-02-06
JP2011015967A (ja) 2011-01-27
KR101196941B1 (ko) 2012-11-05
SG168480A1 (en) 2011-02-28
CA2706265C (en) 2014-05-27
ZA201003881B (en) 2011-02-23
CA2706265A1 (en) 2011-01-10
US20110005780A1 (en) 2011-01-13
GB0912100D0 (en) 2009-08-19
GB2471993A (en) 2011-01-26
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EP2272568A1 (en) 2011-01-12
BRPI1002445A2 (pt) 2012-05-15

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