Ii-nozzles ze-MED ze-corrosion yamanzi etyuwa zingcono kunezinye iindlela ze-aluminium kwiindawo zaselwandle kuba i-bronze igcina uzinzo lwesakhiwo kunye nokusebenza kokuhamba kwamanzi phantsi kokuvezwa kwe-chloride okuqhubekayo. Olu thelekiso lubalulekile kwiinkqubo zokulwa nomlilo kwi-shipboard apho ukuthembeka kumisela ukusebenza kwempendulo engxamisekileyo.

I-Marine Salt Water Corrosion Brass MED Nozzles vs Aluminium Components

Ii-nozzles ze-MED ze-corrosion yamanzi etyuwa zenziwe ngendlela yokuba zikwazi ukumelana nokuwohloka okuqhutywa yi-chloride ngcono kakhulu kunee-alloys ze-aluminium kwiinkqubo zomlilo zaselwandle. Kwiindawo zeenqanawa, ukufuma okungaguqukiyo, i-salt spray, kunye nokuvezwa okumanzi nokwomileyo kukhawuleza ukuqhekeka kwesinyithi.

Iinkqubo zokulwa umlilo zaselwandle zixhomekeke ekusebenzeni okuzinzileyo kokukhupha, kwaye ukugqwala kuchaphazela ngokuthe ngqo ipateni yokutshiza ngemilomo kunye nolawulo loxinzelelo. Ngokweenkqubo zokhuseleko lomlilo ze-IMO, izixhobo zebhodi yenqanawa kufuneka zihlale zilungele ukusebenza phantsi kweemeko ezinzima zoxinzelelo lokusingqongileyo.

Iindlela Zokugqwala Kwamanzi Etyuwa Ezichaphazela Ii-Bross MED Nozzles kunye ne-Aluminium

Ii-nozzles ze-MED brass corrosion zamanzi etyuwa zinamava ikakhulu okunyibilika komphezulu, ngelixa i-aluminium inengxaki yokuxinana okunzulu kwesakhiwo ngenxa yokungena kwe-chloride ion. Lo mahluko ubalulekile ekuqineni kwexesha elide kolwandle.

Ukugqwala kwe-aluminiyam emanzini olwandle kukhawuleziswa kukudibana kwe-galvanic xa kuqhagamshelwe kwi-stainless steel okanye kwi-brass fittings. Oku kukhokelela ekulahlekelweni kwezinto ngokukhawuleza kunye nokuncipha kobume boomatshini.

Iindlela eziphambili zokugqwala ziquka:

1. Ukugqwala kwe-pitting (okuphambili kwi-aluminium)
2. Ukugqwala kweGalvanic (iinkqubo zeenqanawa zesinyithi esixutyiweyo)
3. Ukugqwala kwe-crevice kwizixhobo ezivaliweyo

Uphando lweshishini oluvela kwi-AMPP luqinisekisa ukuba iindawo ezingqongileyo ze-chloride ziyawanyusa kakhulu amazinga okuwohloka kwe-aluminium kwiinkqubo zomlilo zaselwandle

Uthelekiso lwezinto: I-Brass vs Aluminium kwiZixhobo zoMlilo zaseLwandle

Ii-nozzles ze-MED ze-corrosion yamanzi etyuwa zibonisa uzinzo oluphezulu lwe-electrochemical xa kuthelekiswa nee-alloys ze-aluminium ezisetyenziswa kwizixhobo zolwandle ezilula.

I-Brass yenza umaleko we-oxide okhuselayo ocothisa ukugqwala ngakumbi, ngelixa umaleko we-aluminium oxide ungazinzile xa uchaphazeleka ngamanzi anetyuwa rhoqo. Oku kukhokelela ekuwohlokeni ngokukhawuleza kwimilomo yomlilo esekelwe kwi-aluminium.

Itheyibhile 1: Ukusebenza kweBrass vs Aluminium kwiimeko zaselwandle

Kutheni ii-nozzles ze-Brass MED zingcono kune-aluminium kwiinqanawa

Ii-nozzles ze-MED ze-corosion yamanzi etyuwa zingcono kune-aluminium kuba i-bronze igcina i-geometry yokuhamba kwangaphakathi izinzile phantsi kokuvezwa kolwandle ixesha elide. Oku kuqinisekisa ukusebenza rhoqo kokukhupha umlilo.

I-brass ikwamelana nokususwa kwe-zinc, inkqubo apho i-zinc ikhutshwa kwii-alloys phantsi kwamanzi olwandle. I-aluminium, ngokuchaseneyo, ifumana ubuthathaka obuqhubekayo bezakhiwo ezithwele uxinzelelo.

Izikhokelo zobunjineli bokhuseleko lomlilo zigxininisa ekugcineni ukuthembeka kwemilomo ukuze kufikeleleke rhoqo ekutshizeni nasekulawuleni iipateni kwiimeko zoxinzelelo olungxamisekileyo.

Impembelelo Yokusebenza Kwiinkqubo Zokhuseleko Lomlilo Waselwandle

Ii-nozzles ze-MED ze-corrosion yamanzi etyuwa ziphucula ukuthembeka kokulwa nomlilo kwibhodi yenqanawa ngokunciphisa amazinga okungaphumeleli ngexesha lemisebenzi yokukhupha umbane ngoxinzelelo oluphezulu. Ii-nozzles ze-aluminium ezigqwalileyo zihlala zibangela ukusasazwa kokutshiza okungalinganiyo okanye ukuvaleka okuncinci.

Kwiinqanawa, iinkqubo zokulwa nomlilo zidibene, oko kuthetha ukuba ukonakala kwemilomo kuchaphazela uxinzelelo lwe-hydrant kunye nokusebenza kakuhle kwepayipi kuyo yonke inethiwekhi.

Iingozi eziphambili zokusebenza ngenxa yokugqwala kwe-aluminium:

• Umgama ophantsi wokufikelela kwijethi
• Ukusasazwa okungaqhelekanga kwesitshizi
• Amathuba okuvuza aphezulu
• Umngcipheko ophezulu wokungaphumeleli ngexesha likaxakeka

Inkqubo yeZixhobo zoKhuselo loMlilo kwiinqanawa (iiNBWorldFire Components)

Ii-nozzles ze-MED ze-corrosion zamanzi etyuwa zisebenza ngaphakathi kwenkqubo yokukhusela umlilo yaselwandle ebanzi ebonelelwa ngabavelisi bemizi-mveliso efana ne-NBWorldFire.

Izinto ezifanelekileyo kwibhodi yenqanawa ziquka:

• Iinkqubo zoMbhobho woMlilo: Iinkqubo zoMbhobho woMliloyenzelwe iipateni zokutshiza ezilawulwayo kunye neejethi kwiindawo zaselwandle.
• Iivalvu zoMsinga woMlilo: Iivalvu zoMsinga woMlilolawula ukusasazwa kwamanzi kwimibhobho yeenqanawa.
• Izihlanganisi zeMibhobho yoMlilo: Izihlanganisi zeMibhobho yoMliloqinisekisa uqhagamshelo olukhuselekileyo phakathi kwepayipi nevalvu phantsi koxinzelelo.
• Iikhabhinethi zeReel zeMbhobho yoMlilo: Iikhabhinethi zeReel zeMbhobho yoMliloukubonelela ngeendawo zokufikelela emanzini ezisabela ngokukhawuleza.
• Iinkqubo zeMibhobho ye-MED: IiNozzles zomlilo ze-MEDyenzelwe ngokukodwa ukuthobela imithetho yaselwandle kunye nokumelana namanzi anetyuwa.

Itheyibhile yokuthelekisa: Ukukhethwa kwezinto zeNozzle yoMlilo waseLwandle

Itheyibhile 2: Izinto ezibangela ukusebenza kwiindawo ezikwiinqanawa

Iindleko zoLondolozo kunye noBomi boMjikelezo kwiindawo zaseLwandle

Ii-nozzles ze-MED ze-corrosion yamanzi etyuwa zinciphisa iindleko zobomi bonke ngokunciphisa imijikelo yokutshintsha kunye nexesha lokungasebenzi kwiinqanawa.

Iimpumlo ze-aluminiyam zifuna ukuhlolwa rhoqo ngenxa yokuba imingxuma kunye nobuthathaka besakhiwo, nto leyo enyusa iindleko zokusebenza kwabaqhubi beenqanawa.

Izinto ezibangela iindleko zomjikelo wobomi ziquka:

• Isantya sokutshintshwa
• Ixesha lokungasebenzi ngexesha lokuhlolwa
• Umsebenzi wokulungisa umhlwa
• Ukulungiswa kwakhona kwenkqubo emva kokuguguleka

Imigangatho yokugcinwa kolwandle igxininisa ukuthintela ukugqwala njengesicwangciso esiphambili sokulawula iindleko kwiinkqubo zokhuseleko lweenqanawa

Imigangatho yoShishino lweZixhobo zoMlilo zaseLwandle

Ii-nozzles ze-MED ze-corrosion yamanzi etyuwa zihlala zikhethwa ukuze zihlangabezane nokuthotyelwa kwe-Marine Equipment Directive (MED) kunye nemigangatho yokhuseleko lomlilo yamazwe ngamazwe.

Isiphelo: IiNozzles zeBrass MED zeSaltwater Corrosion vs iAluminiyam

Ii-nozzles ze-MED ze-corrosion yamanzi etyuwa zibonelela ngokuthembeka okuphezulu kwexesha elide xa kuthelekiswa ne-aluminium kwiinkqubo zomlilo zaselwandle ngenxa yokumelana okuphezulu kokugqwala, ukusebenza okuzinzileyo kokuhamba kwamanzi, kunye neemfuno zokugcinwa ezinciphileyo. Kubaqhubi beenqanawa, ukukhethwa kwezinto kuchaphazela ngokuthe ngqo ukulungela inkqubo yokhuseleko kunye nokusebenza kakuhle kweendleko zomjikelo wobomi.

Imibuzo ebuzwa rhoqo

1. Kutheni ii-nozzles ze-MED ze-corrosion zamanzi anetyuwa zikhethwa kwiinqanawa?
Ii-nozzles ze-Bross MED ziyamelana nokuwohloka okubangelwa yi-chloride ngcono kakhulu kune-aluminium. Oku kuqinisekisa ukusebenza okuzinzileyo kokulwa nomlilo kwiindawo zaselwandle apho ukutshiza ityuwa, ukufuma, kunye nokujikeleza kobushushu zizinto ezihlala zisebenza ezichaphazela ukuqina kwezixhobo.

2. I-aluminiyam ikhawuleza njani ukungasebenzi kakuhle kwiinkqubo zomlilo zaselwandle?
I-Aluminiyam iyasilela ngokukhawuleza ngenxa yokugqwala kwemingxuma okubangelwa zii-ion ze-chloride emanzini olwandle. Oku kunciphisa ukuqina kwesakhiwo kwaye kuchaphazela ukuhambelana kwe-nozzle spray, okwandisa umngcipheko wokungasebenzi kakuhle ngexesha lemisebenzi yomlilo engxamisekileyo kwiinqanawa.

3. Ngaba ii-nozzles ze-bronze MED azifuni ukugcinwa okuncinci kune-aluminium?
Ewe, ii-nozzles ze-brass MED zihlala zifuna ukulungiswa rhoqo kuba i-brass yenza umaleko okhuselekileyo ozinzileyo. I-aluminium ifuna ukuhlolwa rhoqo kunye nokutshintshwa ngenxa yokunyuka ngokukhawuleza kokugqwala kwiimeko zamanzi anetyuwa.

4. Ngaba ii-nozzles ze-bronze MED ziyahambelana nemigangatho yokhuseleko lomlilo lwaselwandle?
Ii-nozzles ze-Brass MED zihlala zenzelwe ukuhlangabezana neemfuno zeMarine Equipment Directive kwaye zihambelana nemigaqo yokhuseleko lomlilo ye-IMO, nto leyo ezenza zifaneleke kwiinkqubo zokucima umlilo eziqinisekisiweyo zebhodi yenqanawa ezisebenza emanzini aphesheya.

5. Yintoni umahluko omkhulu weendleko phakathi kwe-brass kunye ne-aluminium nozzles ngokuhamba kwexesha?
Nangona i-aluminium isenokuba nexabiso eliphantsi ekuqaleni, ii-nozzles ze-bronze MED zinciphisa iindleko zexesha elide ngokutshintsha rhoqo, ukunciphisa ixesha lokungasebenzi, kunye nokuphuculwa kokuthembeka kwenkqubo kwiindawo zaselwandle ezirhabaxa.