Izitangi Zamanzi Zokuvikela Umlilo Ezi-NFPA 22 Eziyihambayo: Izinga Lobunjiniyela Nezokuphepha
Kwadalwa ngo 03.27
Amathangi Amanzi Okuzivikela Emililo Ahambisana ne-NFPA 22: Izindinganiso Zokuklama & Zokuphepha
Ithangi lamanzi okuvimbela umlilo elihambisana ne-NFPA 22 yisiqukathi sokugcina esiklanyelwe ukuhlangabezana neNational Fire Protection Association (NFPA) Standard 22, elawula "Amathangi Amanzi Okukhishwa Komlilo Okuyimfihlo." Ngokungafani namathangi ajwayelekile, lezi ziqukathi zakhelwe ukuqinisekisa umthamo wamanzi othembekile, ogeleza ngokuzenzakalelayo noma ohanjiswa ngepompi ngesikhathi senhlekelele yomlilo. Ukuhambisana ne-NFPA 22 kuyisidingo esibalulekile ezakhiweni zezentengiselwano, zezimboni, nezamasipala ukuqinisekisa ukuthi izinhlelo zokufafaza umlilo nama-hydrant ahlala esebenza ngokugcwele lapho edingeka kakhulu.
1. Izimfuneko Eziyinhloko Zokuhambisana Ne-NFPA 22
I-NFPA 22 iyindinganiso ephelele egubungela izinto, ukuklama, ukufakwa, nokuhlolwa. Kumuntu ongumnikazi noma unjiniyela wesikhungo, ukuthobela kuncike ezindaweni ezine ezibalulekile:
● Ubuqotho Besakhiwo: Amathangi kumele akhelwe ukubekezelela zonke izinsimbi ezilindelekile, okubalwa ingcindezi ye-hydrostatic yevolumu ephelele yamanzi, amandla ezinyikimo zomhlaba, izinsimbi zomoya, futhi, uma kusebenza, isisindo sesakhiwo esifakwe uphahla.
● Umthamo kanye Ne-Hydraulics: Ithangi kumele lihlinzeke ngomthamo othile wamanzi (obalwe ngokusekelwe ekuhlukanisweni kwengozi kwesakhiwo) isikhathi esidingekayo (isibonelo, imizuzu engu-30, 60, noma 120) engcindezi yokuklama.
● Ukulawulwa Kokugqwala: Ukuthobela kudinga ukuthi amathangi avikelwe ekuboleni. Lokhu kufaka phakathi ukusetshenziswa kwezendlalelo zangaphakathi ezisezingeni eliphezulu, izinhlelo zokuvikela i-cathodic (ama-anode okuhlatshelwa noma amandla acindezelweyo), kanye nezendlalelo zangaphandle ezimelana nesimo sezulu.
● Ukuphathwa Kwezinga Lokushisa: Ezindaweni lapho izinga lokushisa langaphandle lehla ngaphansi kokuqhwa, i-NFPA 22 idinga ukufakwa kwezinhlelo zokushisisa (ezangaphakathi noma zangaphandle) ukuqinisekisa ukuthi izinga lokushisa lamanzi akulokothi lehle ngaphansi kuka-4 °C, ukuvimbela ukwakheka komkhengo ongavimba imibhobho yokudonsa.
2. Izici Zobuchwepheshe Zokusebenza Okuthembekile
Isici | Isidingo se-NFPA 22 | Inzuzo Yokusebenza |
Ukungena kwe-Suction | Idizayini yepuleti elivimbela i-vortex | Kuvimbela umoya ukuthi ungayi ku-suction we-pump |
Ukugeleza ngokweqile ethangini | Kuklanyelwe ukugeleza okuphelele kwe-pump | Kuvimbela ukwehluleka kwesakhiwo ngesikhathi sokugcwala ngokweqile |
Izinkomba Zezinga | Ama-alamu Aphezulu/Aphansi | Ukuqapha okungokoqobo kokulungela |
Ukungena/Umnyango | Izindawo zokungena eziklanyelwe ukusebenziseka kalula | Kwenza ukuhlolwa okubalulekile okwenziwa njalo |
Ukudonsa amanzi | Ivalvu yokudonsa amanzi ethangini eligcwele | Ivumela ukuhlanza nokugeleza njalo |
3. Umjikelezo Wokuphila: Ukuhlolwa Nokugcinwa
I-NFPA 22 ayikhulumi nje kuphela ngokufakwa; ikhuluma ngokuqhubeka kokusebenza kahle komthombo wamanzi. Izinga lidinga izinhlelo zokuhlola eziqinile:
1. Masonto onke/Ngenyanga: Ukuhlolwa okubonakalayo kwamagajini angaphandle, ama-valve, nesimo sesistimu yokushisa.
2. Minyaka yonke: Ukuhlolwa okuphelele kwangaphandle kwethangi, isisekelo, nokusebenza kwesistimu yokushisa.
3. Imizila emihlanu: Ukuhlolwa okubalulekile kwangaphakathi kwethangi. Lokhu kudinga ukuthi ithangi lidonswe amanzi futhi lihlanjwe, kuvumela abahloli ukuthi bahlole ukugqwala kwangaphakathi, ukwehluleka kwe-coating, noma ukuqoqeka kwezinto ezingadingekile.
4. Imibuzo Evame Ukubuzwa (FAQ)
Umbuzo: Ngingasebenzisa ithangi lamanzi elivamile lokuvikela umlilo?
A: Ngokuvamile, cha. Ithangi elisetshenziselwa ukuvikelwa komlilo kufanele libe elinikezelwe kuphela kulowo msebenzi ngaphandle uma umthombo wamanzi wokuvikelwa komlilo uklanyelwe ngokukhethekile nangokuzimela ukuze ubhekane nesidingo esengeziwe. Ngaphezu kwalokho, ithangi kumele lihlangabezane nazo zonke izidingo zokwakhiwa nokuhlelwa kwamapayipi ezibekwe yi-NFPA 22.
Q: Yini inhloso yepuleti elivimbela i-vortex?
A: Njengoba amanzi edonswa ethangini ngesivinini esikhulu, i-vortex (isiphepho samanzi) ingakheka, idonse umoya ku-fire pump. Umoya emgqeni we-suction ungadala ukuthi i-pump ilahlekelwe yi-prime noma i-cavitate, okungaholela ekwehlulekeni okukhulu. Ipuleti elivimbela i-vortex liyisivikelo esilula esakhiwe esivimbela ukungena komoya.
Q: Ngidinga ukufudumeza ithangi lami lokuvikelwa komlilo?
A: Uma ithangi lakho lise endaweni lapho izinga lokushisa lingase lehla ngaphansi kokuqhwa, ufunwa yi-NFPA 22 ukuthi ube nesistimu yokushisa. Lokhu kungaba i-coil yokushisa yangaphakathi noma i-heat exchanger yangaphandle ehambisa amanzi ethangini.
Ukuhambisana ne-NFPA 22 kuyisisekelo sokuvikela umlilo okuthembekile kwezimboni nezohwebo. Ngokuqinisekisa ukuthi ithangi lakho lokugcina lenziwe, lifakwe, futhi ligcinwe ngokuya ngalezi zindinganiso, awuhambisani nje nezimfuneko zekhodi kodwa futhi uqinisekisa ukuphepha kwabasebenzi bakho kanye nempahla yesikhungo sakho. Lapho uthenga ithangi, hlala ucele imibhalo yokuhambisana ne-NFPA 22 futhi uqinisekise ukuthi ithimba lakho lokufaka linekhono ezindinganisweni zokufakwa kwemishayo yokuvikela umlilo.
Ingabe useqenjini lokuklama uhlelo olusha lokucisha umlilo esikhungweni, noma ingabe njengamanje uhlola ithangi elikhona ukuze lihambisane nekhodi yokuphepha ye-NFPA entsha?
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