Mai hana wuta
 Mai hana wuta | |
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| Bayanai | |
| Ƙaramin ɓangare na | material (en)  da fire suppression system (en) |
mai hana harshen wuta (wanda aka rubuta mai kamawa), mai hana kashewa, ko tarko na harshen wuta na'urar ko nau'in gini ne wanda ke ba da damar wucewar katsewa ko hana wucewar harshen wuta.[1][2] Yana hana watsa harshen wuta ta hanyar gas / iska mai cin wuta ta hanyar kashe harshen wuta a kan babban yanki wanda aka bayar ta hanyar ƙananan wurare wanda harshen wuta dole ne ya wuce. Ana sanyaya iskar gas ɗin da ke fitowa sosai don hana ƙonewa a gefen da aka kare.
Ka'idoji
[gyara sashe | gyara masomin]Masu hana wuta na'urorin tsaro ne da aka sanya a buɗewar shinge ko aikin bututu, kuma an yi niyyar ba da izinin gudana amma hana watsa harshen wuta. Mai hana harshen wuta yana aiki ta hanyar shan zafi daga gaban harshen wuta don haka ya sauke gas mai cin wuta / iska mai cin wuta a ƙasa da zafin jiki na atomatik; saboda haka, harshen wuta ba zai iya tsira ba. Ana shawo kan zafi ta hanyar tashoshi (hanyoyi) da aka tsara a cikin wani abu. Ana zaɓar waɗannan tashoshin kuma ana auna su azaman MESG (mafi girman gaggawa mai aminci) na gas don wani shigarwa. Wadannan sassan na iya zama na yau da kullun, kamar layin ƙarfe ko Ma'auni na waya ko farantin ƙarfe tare da ramuka, ko ba bisa ka'ida ba, kamar waɗanda ke cikin fakitin bazuwar.
Girman da ake buƙata na tashoshin da ake buƙatu don dakatar da harshen wuta na gaba na iya bambanta sosai, dangane da ƙarancin ƙonewar cakuda mai. Babban budewa a kan shinge na sarkar yana iya rage yaduwar karamin wuta mai saurin konewa, amma wuta mai sauri mai saurin ƙonewa za ta shiga cikin shinge sai dai idan ramukan suna da ƙananan.[3] A cikin ma'adinin kwal wanda ke dauke da ƙurar kwal mai fashewa sosai ko methane, dole ne a rarraba ma'aunin waya na fitilar Davy sosai.[4][5]
Ga masu hana harshen wuta da aka yi amfani da su azaman na'urar tsaro, dole ne a kare ma'auni daga lalacewa saboda wani abu ya sauke shi ko ya buge shi, kuma ma'aunin dole ne ya iya riƙe siffarsa yayin yaduwar harshen wuta. Duk wani motsi na kowane waya wanda ya zama raga na iya haifar da budewa mai girma don ba da damar harshen wuta ya shiga kuma ya bazu bayan shingen.
A kan man fetur ajiya, masu hana harshen wuta suna aiki da wani dalili na biyu na ba da damar matsin iska don daidaitawa a cikin tanki lokacin da aka kara ko cire man fetur, yayin da kuma hana kwari tashi ko zamewa cikin bututun iska da kuma lalata man fetur a cikin tankuna da bututu.[6][7]
Amfani da aikace-aikace
[gyara sashe | gyara masomin]Amfani da mai hana wuta sun hada da:
- An shigar da shi a cikin iska mai ƙonewa / mai ƙone ba tare da bututu ko lankwasawa ba kafin mai ƙonewar don dakatar da ƙuntataccen matsin lamba, ƙarancin matsin lamba mai ƙone iska daga yaduwa bayan mai ƙone wuta, a waje da ƙonewa - ƙonewa.[8]
- Ka hana yaduwar tururi mai cin wuta a cikin tsarin da aka rufe, kamar hanyar sadarwa.
- Rigakafin yiwuwar fashewa daga yaduwa bayan kunnawa ta hanyar walƙiya, wutar lantarki ko wasu tushe a cikin iska zuwa yanayi.
- Dakatar da yaduwar harshen wuta da ke tafiya a saurin saurin[9]
Wasu abubuwa na yau da kullun waɗanda ke da masu hana wuta sune:
- Ruwan tankin ajiya mai
- Jirgin gas na maibututun mai
- Gidan ajiyar tsaro don fenti, gwangwani na aerosol, da sauran cakuda masu cin wuta
- tsarin fitarwa na Injinan konewa na ciki
- Rashin iska na combusters, injin mai na ruwa da gajerun flare stacks.
- Davy fitilu a cikin hakar kwal
- Rum mai tsayayya da sauran abin sha mai cin wuta.
- Kayan kwalliya na man fetur na filastik [10]
Tsaro
[gyara sashe | gyara masomin]Ya kamata a yi amfani da masu hana wuta ne kawai a cikin rukunin gas da yanayin da aka tsara su kuma aka gwada su. Tunda an ƙayyade zurfin a kan mai hanawa don wasu yanayi, canje-canje a cikin zafin jiki, matsin lamba, ko abun da ke cikin iskar gas da ke shiga cikin mai hanawa na iya haifar da saurin sararin samaniya ya karu, yana sa ƙirar mai hanawa bai isa ya dakatar da harshen wuta ba ("yaduwa"). Fitarwar na iya ci gaba da raguwa daga mai kamawa.
Ya kamata a bincika masu hana wuta lokaci-lokaci don tabbatar da cewa ba su da datti, kwari suna amfani da shi azaman gida, ko lalata. Hukumar Binciken Tsaro da Hadari ta Amurka ta kammala cewa wani mai hana wuta wanda ba a dubawa ba kuma ya lalace ya kasa hana fashewar 2006 a wani tashar kula da ruwa a Daytona Beach, Florida.
Dubi kuma
[gyara sashe | gyara masomin]- Check valve - Na'urar sarrafa kwarara
- Detonation arrester - Na'urar tsaro ta masana'antuShafuka da ke nuna taƙaitaccen bayanin manufofi
- Flashback arrestor - Kayan aiki na walda
- Spark arrestor - Mai kama tarkace mai cin wuta
Manazsrts
[gyara sashe | gyara masomin]- ↑ "BLM Wyoming Wildland Fire Glossary". Blm.gov. 2008-06-18. Archived from the original on 2014-05-08. Retrieved 2012-08-04.
- ↑ Coford Glossary "Fire Retardant" Archived ga Faburairu, 8, 2009 at the Wayback Machine
- ↑ Murphy, James L.; Schimke, Harry E. (1965). "Do Wire Fences Stop Ground Fires?" (PDF). U.S. Forest Service Research Note PSW-70 (in Turanci). Pacific Southwest Forest & Range Experiment Station. Archived from the original (PDF) on 2010-12-14.
- ↑ Hollingbery, LA; Hull TR (2010). "The Thermal Decomposition of Huntite and Hydromagnesite - A Review". Thermochimica Acta. 509 (1–2): 1–11. doi:10.1016/j.tca.2010.06.012.
- ↑ Hollingbery, LA; Hull TR (2012). "The Thermal Decomposition of Natural Mixtures of Huntite and Hydromagnesite". Thermochimica Acta. 528: 45–52. doi:10.1016/j.tca.2011.11.002.
- ↑ "PHOS-CHeK D75 Fire Retardants" (PDF). Archived from the original (PDF) on 2011-07-15. Retrieved 2008-11-20.
- ↑ "How do flame retardants work?". European Chemical Industry Council (CEFIC) and European Flame Retardants Association (EFRA). Retrieved 12 Feb 2010.
- ↑ Amy Farnsworth (2007-08-06). "New coatings cut risk of a dorm fire". The Boston Globe. Archived from the original on August 24, 2007.
- ↑ Samfuri:Cite patent.
- ↑ Stevick, Glen (2011). "Failure Analysis and Prevention of Fires and Explosions with Plastic Gasoline Containers". Journal of Failure Analysis and Prevention (in Turanci). 75 (11): 455–465. doi:10.1007/s11668-011-9462-z. S2CID 56269455. Retrieved 2023-11-17.