Iyini Uphahla Oluntantayo Lwangaphakathi?
Kwadalwa ngo 01.23
Iyini Uphahla Oluntantayo Lwangaphakathi?
Ekugcineni nasekuphathweni koketshezi oluguquguqukayo—njengowoyela ongahluziwe, imikhiqizo kaphethiloli ecwengiwe, amakhemikhali kaphethiloli, namakhemikhali aketshezi—ukulawula ukulahleka komhwamuko kuyisidingo semvelo kanye nesidingo somnotho. Uma uketshezi lugcinwa ethangini elijwayelekile elinophahla olungaguquki, ukushintsha kwezinga lokushisa kudala indawo yomhwamuko enwebekayo nefinyezekayo ngaphezu kobuso boketshezi, okuholela ekulahlekeni okukhulu komkhiqizo nasekukhishweni okulimazayo.
Uphahla oluntantayo lwangaphakathi (IFR) yisixazululo sobunjiniyela esikhethekile esifakwa ngaphakathi kwethangi lokugcina elinophahla olungaguquki. Luntanta ngqo phezu kobuso boketshezi olugciniwe, lukhuphuka lwehle ngezinga loketshezi ukuze kuqedwe noma kuncishiswe kakhulu indawo yomhwamuko ngaphakathi kwethangi.
1. Imishini Eyisisekelo Yobunjiniyela: Ukusebenza Kophahla Oluntantayo Lwangaphakathi
Uphahla oluntantayo lwangaphakathi lusebenza ngomgomo olula wokuntanta kuhlangene nokuqukethwe komhwamuko:
● Ukuqedwa Kwesikhala Somhwamuko: Ngokuphumula ngqo phezu kwe-liquid surface, uphahla lususa ukuphefumula nokulahleka kokusebenza okuvame ukwenzeka emathangini ajwayelekile anophahla olungaguquki.
● Ukuntanta Okuqhubekayo: Idekhi ifakwe ama-pontoons angaphakathi noma yakhiwe ngendlela yokuthintana okugcwele, iqinisekisa ukuthi ihlala izinzile futhi intanta emazingeni okusebenza aguqukayo.
● Isistimu Yokuvimba Komphetho: Isivalo esivumelana nomphetho (rim seal) sigcina ukuthintana okuqhubekayo phakathi komphetho ohambayo wedekhi entantayo nodonga lwangaphakathi olungashintshi lethangi, libambe noma yimiphi imhwamuko emincane ngaphansi kwedekhi futhi livimbele ukuba ingaphumi iye esikhaleni esingaphezulu.
2. Izingxenye Eziyinhloko Zophahla Oluntantayo Olungaphakathi
Isistimu ejwayelekile yophahla oluntantayo olungaphakathi olunekhwalithi ephezulu iqukethe izingxenye ezimbalwa ezibalulekile zobunjiniyela:
● Idekhi: Indawo eyinhloko entantayo, etholakala ngemiklamo ye-pontoon, i-double-deck, noma i-full-contact sandwich panel kuye ngezidingo zomthwalo nokuminyana komkhiqizo.
● Izivalo Zonqenqema: Izicubu zensimbi eziguquguqukayo noma izicubu ezigcwele uketshezi ezivala igebe phakathi komngcele wedekhi nokhaka lwethangi, zivumela ukungqubuzana nokwanda ngenxa yokushisa.
● Imilenze Yokusekela: Imilenze elungisekayo noma engashintshi ebamba uphahla ekuphakameni okuthile ngesikhathi sokuhlanza ithangi, ukulungisa, noma imisebenzi yokuqala yokugcwalisa.
● Ama-Vents Nezinsiza: Ama-bleeder vents, ama-automatic vacuum breaker vents, kanye nezigxobo zokulinganisa eziklanyelwe ukuphatha umehluko wokucindezela komoya ngaphansi kwedekhi ngesikhathi sokugcwalisa nokukhipha.
3. Izinzuzo Ezinkulu Nezinzuzo Zokusebenza
Ukunciphisa Okukhulu Kokukhishwa Kwe-VOC
Izakhi eziguquguqukayo eziphilayo (VOCs) zinomthelela ekungcoleni komoya futhi zimele ukulahlekelwa kwezimali okuqondile ngokuhwamuka komkhiqizo.
● I-IFR inciphisa ukulahlekelwa kokuphefumula nokulahlekelwa kokusebenza ngamaphesenti angafika ku-90 noma ngaphezulu uma kuqhathaniswa nethangi lendabuko elinophahla olungaguquki ngaphandle kwedekhi elintantayo.
Ukuthobela Imithetho Yezemvelo Okuthuthukisiwe
Imithethonqubo yezemvelo eqinile yomhlaba wonke—njengemihlahlandlela ye-EPA namazinga omoya wamazwe ngamazwe—iyala ukulawulwa okuqinile kokukhishwa kwezinto ezikhungweni zokugcina amakhemikhali nophethiloli.
● Ukufaka i-IFR kusiza abaqhubi bezikhungo ukuthi bahambisane nemithetho yezemvelo, bagweme izinhlawulo ezibizayo zokungathobeli umthetho kanye nezijeziso zekhabhoni.
Ikhwalithi Yomkhiqizo Nokuvimbela Ukungcola
● Ngokuvala indawo engenalutho yoketshezi emoyeni wangaphandle, umswakama, nothuli olungena ngemiphongolo yophahla, i-IFR ivimbela ukugcwala komoyampilo, ukumunca umswakama, nokonakala komkhiqizo, igcina ubumsulwa obuphezulu kaphethiloli namakhemikhali agciniwe.
I-Matrix Yokuqhathanisa: Ubuchwepheshe Bophahla Lwethangi Lokugcina
Ipharamitha Yokuhlola | Ithangi Lophahla Olungaguquki (Ngaphandle kwe-IFR) | Ithangi Lophahla Oluntantayo Olungaphakathi (IFR) | Ithangi Lophahla Oluntantayo Olungaphandle (EFR) |
Isikhala Somhwamuko | Isikhala esikhulu somhwamuko esingaphansi kokuphefumula nokulahleka kokusebenza | Isikhala esincane kakhulu noma singabikho somhwamuko ngaphansi kwephuleki elintantayo | Uphahla oluvulekile nophuleki oluntantayo lubheke ngqo emoyeni |
Ukulawulwa Kokukhishwa Kwe-VOC | Kuphansi; ukulahleka okuphezulu kokuhwamuka | Kuhle kakhulu; kunciphisa ukukhishwa ngaphezu kuka-90% | Kuphezulu; kulawulwa ngezivalo zomphetho ezingaphansi |
Ubungozi Besimo Sezulu | Kuphansi; uphahla olungaguquki luvikela emvuleni nasekhepheni | Ivikelwe ngophahla olungaphezulu olungaguquki; ayithinteki ekuqongeleleni kwamanzi emvula | Isengozini yokuqongelela kwamanzi emvula phezu kwedekhi, idinga ukuphathwa kwemisele yokukhipha amanzi |
Ukusetshenziswa Okuyinhloko | Uketshezi olungaguquki, amanzi, amafutha ezimoto anzima | Imikhiqizo kaphethiloli eguquguqukayo kakhulu, amakhemikhali, namafutha acwengiwe | Amathangi amakhulu okugcina uwoyela ongahluziwe kanye namatheminali amakhulu ezimpahla eziningi |
Imibuzo Ejwayelekile (FAQ)
Umbuzo: Iyini injongo eyinhloko yophahla oluntantayo lwangaphakathi?
Impendulo: Injongo eyinhloko yophahla oluntantayo lwangaphakathi ukuntanta ngqo phezu kobuso boketshezi ngaphakathi kwethangi elinophahla olungaguquki, kususe isikhala somhwamuko futhi kunciphise ukukhishwa kwezinto ezihwamukayo eziphilayo (VOC) kanye nokuhwamuka komkhiqizo ngamaphesenti afinyelela ku-90.
Umbuzo: I-IFR inciphisa kanjani ukukhishwa kwezinto ezihwamukayo ethangini?
Impendulo: Ngokususa isikhala somoya phakathi koketshezi nophahla lwethangi, i-IFR ivimbela umhwamuko ekwakhekeni nasekuphumeni. Izivalo eziguquguqukayo ezizungeze unqenqema lwedekhi zigcina umgoqo oqinile ngokumelene nomzimba wethangi ngesikhathi izinga loketshezi lishintsha.
Umbuzo: Uyini umehluko phakathi kophahla oluntantayo lwangaphakathi nophahla oluntantayo lwangaphandle?
A: Uphahla oluntantayo lwangaphakathi lufakwa ngaphakathi kuthangi elingaguquki elinophahla olungaguquki, luvikela idekhi emvuleni, eqhweni, nasemoyeni. Uphahla oluntantayo lwangaphandle lusebenza ethangini elivulekile emoyeni futhi ludinga isitebhisi esigoqekayo kanye nohlelo lokukhipha amanzi emvula.
Q: Yiziphi izindinganiso zezimboni ezilawula ukuklanywa kophahla oluntantayo lwangaphakathi?
A: Uphahla oluntantayo lwangaphakathi luvame ukuklanywa, lwenziwe, futhi lufakwe ngokuya ngezindinganiso eziqinile zobunjiniyela zomhlaba wonke ezifana ne-API 650 (Isithasiselo H) kanye ne-API 2000 zokukhipha umoya nokuqina kwesakhiwo.
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