Ukhuseleko kumlilo wemizi-mveliso luqala ngokuchonga imithombo ethile yamafutha ukuze kuchongwe izinto ezifunekayo zokucima umlilo. Umlilo weKlasi A ubandakanya izinto ezivuthayo eziqinileyo ezifana nomthi nephepha, ngelixa umlilo weKlasi B ubandakanya ulwelo oluvuthayo, kwaye umlilo weKlasi C ubandakanya izixhobo zombane ezisebenza ngamandla. Ngokutsho kwe-UMbutho weSizwe woKhuselo loMlilo (i-NFPA), ukusebenzisa i-arhente yokucinezela engalunganga kunokwenza iimeko eziyingozi zibe mandundu, ezinje ngokubangela ukuhanjiswa kombane okanye iimpembelelo zeekhemikhali.Izicimi-mliloukulungelelaniswa kwezi klasi zithile lelona nyathelo libalulekileyo ekunciphiseni umonakalo wepropathi.
Imephu echanekileyo yengozi ivumela abaphathi bezakhiwo ukuba bathumele iarhente echanekileyo—nokuba yimpuphu eyomileyo, i-CO2, okanye igwebu—kwiindawo ezinomngcipheko ophezulu. Ngowama-2026, imigangatho yeshishini igxininisa ukusetyenziswa kweeyunithi zeekhemikhali ezomileyo ze-ABC ezisetyenziselwa imisebenzi emininzi kwimizi-mveliso ngokubanzi. Ezi zixhobo zibonelela ngomgca wokuqala wokhuselo oluguquguqukayo kwiindawo ezinzima apho kukho iintlobo ezininzi zamafutha.
Iikhrayitheriya zobugcisa zokukhetha isicima-mlilo
Ukukhetha isicima-mlilo esifanelekileyo kubandakanya ukuvavanya amandla okukhupha, uxinzelelo lokusebenza, kunye neemeko zokusingqongileyo kwindawo yokufakela. Iifektri ezinkulu zokuvelisa zihlala zifuna iiyunithi ezinamavili ukuze zibe nomthamo ophezulu wearhente, ngelixa iindawo zeofisi zixhamla kwiimodeli eziphathekayo ze-6kg okanye ze-9kg.Izicimi-mlilokufuneka babe neziqinisekiso zamazwe ngamazwe ezifana ne-CE, i-EN3, okanye i-UL ukuqinisekisa ukusebenza phantsi koxinzelelo olukhulu lobushushu.
| Uhlobo lokucima umlilo | Isicelo esiBalaseleyo | Indlela yeArhente | Ixesha Eliqhelekileyo Lokukhupha Inkunkuma |
|---|---|---|---|
| Umgubo owomileyo we-ABC | Iindawo zokugcina impahla, iifektri | Ukuphazamiseka kweMpembelelo yeKhemikhali | Imizuzwana eli-15–30 |
| I-CO2 (iCarbon Dioxide) | Amagumbi oMbane, iiLabhoratri | Ukufuduka kunye nokuPholisa iOksijini | Imizuzwana eli-10–20 |
| Igwebu le-AFFF | Indawo yokugcina amafutha, iigaraji | Ukucima iFilimu enamanzi | Imizuzwana engama-20–40 |
| Ikhemikhali emanzi | Iikhitshi Zorhwebo | I-Saponification (Amafutha Apholisayo) | Imizuzwana engama-30–60 |
Imigangatho yoBunjineli yeeSilingi zoMlilo
Ukuqina kwesakhiwo sesitya soxinzelelo sisiseko sayo nayiphi na inkqubo yokucima umlilo ephathekayo.IiSilingi zoMliloNgokwesiqhelo zenziwa ngentsimbi etsalwa nzulu okanye i-aluminium ekhaphukhaphu ukuze imelane noxinzelelo lwangaphakathi olungaphezulu kwe-15 bar kwi-20°C. Iinkqubo zokulawula umgangatho, kuquka uvavanyo lwe-hydrostatic kunye nohlalutyo loxinzelelo oluqhumayo, ziqinisekisa ukuba ezi tanki aziqhekeki ngexesha lokugcina ixesha elide okanye ukuvezwa kubushushu obugqithisileyo.
Ukumelana nokugqwala kwangaphakathi kubaluleke kakhulu kwiiyunithi ezisebenzisa amanzi kunye ne-foam. Abavelisi ngoku basebenzisa ii-linings zangaphakathi zeplastiki ezikhethekileyo okanye ze-epoxy ukuthintela i-oxidation ebangelwa yi-ejenti yokucima umlilo. Ngokweengxelo zakutshanje zeshishini zika-2025 ezivela kwi-Umbutho Wabavelisi Bezixhobo Zomlilo (i-FEMA), malunga ne-12% yokusilela kwezixhobo kwiindawo zaselwandle kunxulunyaniswa nokuwohloka kweqokobhe lesilinda.
Ukubaluleka kweeCandelo zoMcimi-mlilo eziQinisekisiweyo
Isitshizi somlilo sithembeke kuphela njengenxalenye yaso encinci, kuquka indibano yevalvu, igeyiji yoxinzelelo, kunye nomlomo wokukhupha.Iinxalenye zeSicimi-mliloQinisekisa ukuba iarhente ikhutshwa ngesantya esilawulwayo kwaye isixhobo asivuzi ngaphezu kweminyaka eli-10 yokusebenza kwaso. Iivalvu zebrass zikhethwa kakhulu kwiindawo zoshishino ngenxa yokuba zinamandla aphezulu okutsala kunye nokumelana nempembelelo yoomatshini.
Iigeyiji zoxinzelelo kufuneka zihlolwe inyanga nenyanga ukuqinisekisa ukuba inaliti ihlala kwindawo yokusebenza "eluhlaza". Ukuba igeyiji ibonisa ukwehla koxinzelelo, iyunithi kufuneka isuswe kwinkonzo kwaye itshajwe ngoko nangoko.Iinxalenye zeSicimi-mlilongexesha lokugcinwa konyaka kuthintela imiba yokuhambelana enokubangela ukungasebenzi kakuhle kokukhupha izinto ngexesha likaxakeka.
Ukudibanisa iiReel zeFire Hose kwiiNkqubo zokuCima eziZinzileyo
Kwiingozi ezifuna ukunikezelwa rhoqo kwesixhobo sokucima umlilo,IiReels zeMibhobho yoMlilozibonelela ngokuhamba kwamanzi okuqhubekayo okungenakulinganiswa neeyunithi eziphathekayo. Ezi nkqubo zihlala ziqhagamshelwe kumthombo wamanzi ophambili wesakhiwo kwaye zenzelwe ukusebenza ngumntu omnye. Iireyile zepayipi ezizenzekelayo zanamhlanje zinevalvu yokumisa edibeneyo evulekayo njengoko ipayipi itsalwa, nto leyo enciphisa ixesha lokuphendula ngexesha lokuqala komlilo weKlasi A.
Ukubekwa kwereyile yombhobho kufuneka kulandele umthetho wokugquma wemitha ezingama-30 ukuqinisekisa ukuba yonke ikona yesixhobo inokufikeleleka. Ukuvavanya rhoqo izinto zepayipi ukuze zingabonakali iintanda nokuqinisekisa ukuba iphethini yokutshiza umlomo iyalungiseka ngamanyathelo abalulekileyo okulungisa. Ngokwe-athikili, i-reel yombhobho isetyenziswa rhoqo.Iqela le-BSIimigangatho, iipayipi zomlilo kufuneka zivivinywe uxinzelelo rhoqo emva kweminyaka emihlanu ukuze kuchongwe ubuthathaka obunokubakho kwisakhiwo.
Ukusetyenziswa Ngobuchule Kweengubo Zomlilo Ukhuseleko Lomntu
Kwiindawo apho kuvela khona imililo emincinci okanye ukutshaya kweekhemikhali,Iingubo zomlilozisebenza njengesixhobo esibalulekileyo sokhuseleko esingadingi kulungiswa kakhulu. Zenziwe ngefiberglass elungisiweyo, ezi ngubo zicima amadangatye ngokunqanda ukuhanjiswa kweoksijini. Zisebenza ngakumbi kwimililo yamafutha ekhitshini okanye ekusongeni umntu onempahla evuthayo.
Ngokungafaniyo nezicimi-mlilo ezineekhemikhali, iingubo azishiyi ntsalela kwaye azidingi kuhlolwa koxinzelelo rhoqo. Zifanele zigcinwe kwizikhongozeli ezikhutshwa ngokukhawuleza kwiindawo ezibonakala kakhulu. Kwiilabhoratri zoshishino nakwiikhitshi zorhwebo, kufuneka zibeIngubo yomliloUkufikeleleka ngaphakathi kweemitha ezili-10 ukusuka kwindawo yokusebenza kudla ngokuba yimfuneko yokhuseleko enyanzelekileyo phantsi kwemithetho yokwakha yasekuhlaleni.
Uluhlu Lokujonga Ukugcinwa Nokuthobela Imithetho Yonyaka ka-2026
Imigaqo yolondolozo iye yaba ngqongqo ngakumbi ukunciphisa izinga "lokungasebenzi" kwezixhobo zokhuseleko kumacandelo emizi-mveliso. Inkqubo yolondolozo ecwangcisiweyo ibandakanya ukuhlolwa okubonakalayo, inkonzo esisiseko, kunye nenkonzo eyandisiweyo ebandakanya ukutshintshwa kweearhente.
- Uhlolo lweNyanga olubonakalayo:Qinisekisa ukuba isitywino sokuxinzelela asiguquki kwaye igeyiji yoxinzelelo iyasebenza.
- Inkonzo Yonyaka:Ingcali eqinisekisiweyo kufuneka ihlole zonke iindlela zangaphakathi kunye nezitywino.
- Uvavanyo lweMinyaka emihlanu lweHydrostatic:Iisilinda kufuneka zivavanywe uxinzelelo ukuqinisekisa ukuba isakhiwo siyakwazi ukuphila.
- Ukutshintshwa kweArhente:Umgubo owomileyo kunye neearhente zefoam kufuneka zitshintshwe ngokwemihla yokuphelelwa komenzi (ngesiqhelo iminyaka emi-5 ukuya kweli-10).
- Cacisa uxwebhu:Gcina ithegi yokuhlolwa kwiyunithi nganye kunye nerekhodi yedijithali edibeneyo yokuhlolwa kokuthobela imithetho.
Isiphelo
Ukhuseleko lomlilo kwimizi-mveliso lufuna indlela enemigangatho emininzi edibanisa izixhobo ezifanelekileyo kunye neshedyuli yolondolozo engqongqo. Ngokutyala imali kwizixhobo eziqinisekisiweyo.Izicimi-mlilokunye nezixhobo ezikumgangatho ophezulu, abanini beziko banokunciphisa kakhulu umngcipheko wokuphazamiseka kweshishini okubangelwa ngumlilo. Ukuhlala unolwazi ngemigangatho yamva nje ye-NFPA kunye ne-EN kuqinisekisa ukuba iziseko zakho zokhuseleko zihlala zisebenza ngokuchasene neengozi zoshishino ezitshintshayo.
Imibuzo ebuzwa rhoqo
1. Yintoni umahluko phakathi kwesitshizi somlilo esinokutshajwa kwakhona kunye nesitshizi somlilo esilahlwayo?
Izicima-mlilo ezinokutshajwa kwakhona zinevalvu zesinyithi kwaye zihlala ixesha elideIiSilingi zoMliloZenzelwe ukuphinda zizaliswe emva kokuba zikhutshwe. Iiyunithi ezilahlwayo zihlala zisebenzisa iivalvu zeplastiki kwaye zenzelwe ukusetyenziswa kube kanye kuphela. Kwiindawo zoshishino, iiyunithi ezinokutshajwa kwakhona zisemgangathweni ngenxa yokuthembeka kwazo okuphezulu, ixabiso elingcono lexesha elide, kunye nokuthobela imigaqo yokhuseleko yobungcali.
2. Ndingazi njani ukuba ivalvu yam yokucima umlilo ifuna ukutshintshwa?
Ukuba ubona ukwehla kancinci koxinzelelo kwigeyiji okanye ukubola okubonakalayo kwimisonto yobhedu, ivalvu isenokuba sengozini.Iinxalenye zeSicimi-mlilonjengeevalvu kunye nee-O-rings yinxalenye eqhelekileyo yokugcinwa kobuchwephesha. Ungaze uzame ukususa ivalvu kwisilinda ecinezelweyo ngaphandle kwezixhobo ezikhethekileyo zokunciphisa uxinzelelo.
3. Ireyili yepayipi yomlilo kufuneka isetyenziswe nini endaweni yesicima-mlilo esiphathwayo?
IiReels zeMibhobho yoMlilokufuneka zisetyenziswe kwimililo emikhulu yeKlasi A (umthi, iphepha, amalaphu) apho kufuneka khona amanzi rhoqo ukuze kuphole ipetroli. Izicima-mlilo eziphathekayo zingcono xa kukhawuleziswa umlilo omncinci okanye kwiingozi zeKlasi B kunye no-C apho amanzi ebenokuba yingozi okanye angasebenzi kakuhle.
4. Ngaba iingubo zomlilo zingasetyenziswa kwakhona emva kokucima umlilo omncinci?
Imigangatho yokhuseleko lweshishini idla ngokucebisa ukuba ithathelwe indawoIingubo zomliloemva kokuba zisetyenziselwe ukucima umlilo. Ubushushu bamalangabi bungonakalisa imicu yefiberglass, bunciphise ukuqina kwesakhiwo sengubo kunye nokukwazi kwayo ukucima umlilo wesibini ngempumelelo. Soloko uhlola amabala okanye iinyembezi emva kokusetyenziswa kwayo.
5. Kutheni kufuneka uvavanyo lwe-hydrostatic kwiisilinda zokucima umlilo?
Uvavanyo lwe-hydrostatic lubandakanya ukuzaliswaIiSilingi zoMlilongamanzi kwaye uzixinzelele ngaphaya komda wazo oqhelekileyo wokusebenza. Olu vavanyo luchonga imifantu emincinci okanye ukudinwa kwesinyithi okunokubangela ukuba isilinda iqhume phantsi koxinzelelo. Yimfuneko yokhuseleko enyanzelekileyo kwiindawo ezininzi rhoqo emva kweminyaka emi-5 ukuya kweli-12.
Ixesha leposi: Meyi-14-2026