Ithangi Lokugcina Amanzi Enqubo Yezimboni: Impahla, Ukumboza Nokulinganisa Usayizi
Kwadalwa ngo Ngokwamukisa
Ithangi Lokugcina Amanzi Enqubo Yezimboni: Impahla, Ikhodi Yokumboza Nokulinganisa
Ithangi lokugcina amanzi enqubo yezimboni likhethwa kuqala ngokwakheka kwamakhemikhali amanzi eliwagcinayo — i-pH, ama-chloride, izinto ezihuzayo kanye nezinga lokushisa — bese kuthi ngemva kwalokho kuphela kubhekwe umthamo, ngoba ukufakwa okungalungile kwehluleka kusenesikhathi kakhulu ngaphambi kokuba ugobolondo lwehluleke. Ukukhethwa kwezinto ezisetshenziswayo kuhlanganisa i-glass-fused-to-steel (GFS), i-fusion-bonded epoxy (FBE), insimbi engagqwali kanye nensimbi ehlanganisiwe egqitshwe ngokushisa, ngayinye ihambisana nobubanzi obuchaziwe bezimo. Ukulinganisa umthamo kulandela ukujika kwenqubo, ukwehla okuphezulu kanye nanoma yimuphi umsebenzi wokukhuphuka noma wokulinganisa, futhi ukwakhiwa kubhekiselwa ku-AWWA D103-09 yamathangi ahlanganisiwe kanye ne-ISO 28765 yokwakhiwa okuqgitshwe ngengilazi lapho isicelo sikudinga khona.
Amanzi okusebenza awukona uketshezi olulodwa. Angaba ngamanzi angenawo amaminerali, ane-alkaline, agcwele i-chloride, anezinto eziqinile ezihambayo ezihuzayo, noma ashisayo — futhi ithangi eliwagcinayo kufanele limelane naleyo chemistry ethile iminyaka eminingi, hhayi nje ukugcina umthamo. Abahlonzi ngokuvamile bakhetha ithangi ngentengo nge-cubic metre ngayinye bese bethola kamuva ukuthi i-lining yayinamabhamu, ugqoko lwethangi lwalunemigodi, noma i-coating yayingenakufakazelwa ngokwezinga elifunwa ukuhlolwa kwemboni. Ukulandelana kwezinqumo kubalulekile: i-chemistry kuqala, bese kuba i-coating, bese kuba usayizi, bese kuba izinga lokwakha.
Le ncwadi yokuhola ichaza ukuthi ungakhetha kanjani impahla nekhodi yokumboza yethangi lokugcina amanzi enqubo yezimboni ngokwamanzi elizowagcina ngempela, nokuthi ulinganise kanjani ukuze inqubo ingalokothi ilambe noma ichichime.
Ukukhethwa Kwempahla Kuqala Ngokwakheka Kwamanzi
Into eyodwa ebaluleke kakhulu ekukhethweni kwethangi ukwakheka kwamanzi agciniwe, ngoba yiyo enquma ukuthi ingubo noma insimbi ngokwayo iyindawo yokwehluleka. Akukho mpahla eyodwa ewina kuzo zonke izimo.
1. I-pH kanye nokugqwala. Amanzi enqubo ane-asidi noma ane-alkaline eqinile ahlasela insimbi engavikelwe kanye nezinye izingubo; ibhendi yokubekezelela yekhodi kufanele ihlanganise i-pH yokusebenza.
2. Ama-chloride nama-halide. Ukuchayeka kwe-chloride kubangela ukugqwala kwama-carbon kanye namanye amazinga e-stainless; imifudlana ene-chloride ephezulu ithanda i-GFS enamel noma i-stainless echazwe kahle.
3. Ama-abrasives kanye nezinto eziqinile ezihamba namanzi. Amanzi alethwe nge-slurry noma anezinhlayiya eziqinile aguga izingubo zangaphakathi; ukuqedwa okuqinile nokushelelayo kanye nezinketho ezimelana nokuhuzuka kwandisa isikhathi sokusebenza.
4. Izinga lokushisa. Amanzi asetshenziswayo ashisayo anciphisa ukukhethwa kwezingubo zangaphakathi futhi ashintsha ingcindezi evunyelwe yensimbi; ibhendi yezinga lokushisa lokusebenza kufanele ichazwe.
Ukusho lezi zingqinamba ezine kusenesikhathi kususa ukucabanga okuningi ekukhetheni izinto futhi kuvimbela ukuthi i-coating icaciswe ngaphandle kwebanga layo eliqinisekisiwe.
Impahla | Ukulingana kwamakhemikhali okuhle kakhulu | Umkhawulo obalulekile | Inkomba ejwayelekile yezinga |
I-GFS eboshiwe | I-pH ebanzi, ama-chloride, ukuguguleka | Ibhendi yokushisa kwe-enamel | ISO 28765, AWWA D103-09 |
I-FBE eboshiwe | Ibanga le-pH elichaziwe, umsebenzi ojwayelekile | Kulinganiselwe ku-pH/temperature ekhishiwe | AWWA C550, AWWA D103-09 |
Insimbi engagqwali (304/316) | I-corrosives ehlanzekile, eqondile | Ukugqamuka kwe-chloride emikhawulweni yezinga | Isitifiketi sempahla, i-ASME lapho kushiselwe khona |
I-galvanized ngokushisa okuphezulu | Umsebenzi omnene, ongathintani | I-zinc idliwa yi-asidi | AWWA D103-09 |
Izinhlelo Zokumboza: Yini Evikela Ugobolondo
Ukumboza kuyindawo yokusebenza yethangi, futhi ukucaciswa kwayo kufanele kuhambisane nomsebenzi, hhayi ukubolekwa ku-datasheet yethangi lomlilo elijwayelekile. Amathangi ezinqubo zensimbi eboshiwe ancika kuma-lining afakwe efektri, ahlolwayo.
· I-GFS enamel. I-Vitreous enamel evuthiswe ku-820–930 °C yakha isikhumba esingangenisi, esimelana namakhemikhali (Ra < 0.8 µm, ukunamathela okungaphezu kuka-3,450 N/cm²) kanti wonke amaphaneli ahlolwa nge-spark ku-1,500 V DC; ilungele lapho kokubili ukumelana nokugqwala nokuhlanzeka kubalulekile.
· I-FBE lining. I-epoxy ehlanganiswe nge-fusion ebhalwe kumgangatho wokumboza njenge-AWWA C550, ekhethwa lapho izinga elithile lokumboza nokubekezelela i-pH kudingeka yisimiso sesitshalo.
· Igobolondo eline-zinc. Ukuvikelwa kwe-zinc emisebenzini emnene, engathinti; izindleko eziphansi kodwa ungqimba oludliwayo ngaphansi kokuchayeka kwe-asidi noma i-chloride ephezulu.
Ukukhethwa kokumboza kurekhodwa encazelweni enobukhulu, ukunamathela kanye nobufakazi bokuhlolwa kwe-spark ukuze ukuhlolwa kwemboni kanye nanoma yikuphi ukubuyekezwa kwabanye abantu kuqinisekise ukuthi kwakhiwe ngokwezinga elishiwo.
Indlela Yokulinganisa Usayizi: Ukuphenduka, Ukwehla Nokukhuphuka
Ithangi lamanzi enqubo yezimboni lilinganiswa ngokususelwa ekuphendukeni kwenqubo nokwehla okuphezulu, kanti umthamo wokukhuphuka noma wokulinganisa wengezwa lapho okuphezulu noma okuphansi kuguquguquka. Izingxenye ezintathu zisetha umthamo.
5. Ukuphenduka kwenqubo. Umthamo okufanele utholakale ukuze inqubo igcinwe inikezwa phakathi kwemijikelezo yokugcwalisa, okususelwa ezingeni lokusetshenziswa kanye nesikhathi sokugcwalisa.
6. Ukwehla okuphezulu. Isenzakalo esisodwa esikhulu kunazo zonke sokudingeka (ukugcwaliswa kwe-batch, ukuhlanza ngemuva, isimo esiphuthumayo) okufanele ithangi likwazi ukukubhekela ngaphandle kokwehla ngaphansi kwesixwayiso sezinga eliphansi.
7. Ibhendi yokushesha noma yokulinganisa. Umthamo olinganisa ukunikezwa okungaguquki noma isidingo esishintshashintshayo ukuze inqubo ibone ikhanda elizinzile.
Umthamo ophelele iyisamba esibekwe phakathi kokuchichima nokunqanyulwa kokudonsa, kanti umlenze ofile kanye nesibonelelo sokulwa ne-vortex akufakiwe kumthamo osebenzisekayo — ukuziphatha okufanayo okusetshenziswa kunoma yiluphi uhlelo lwamanzi agciniwe.
Okokufaka kokulinganisa | Lokho okukusethayo | Iphutha elivamile |
Ukushintsha kwesikhathi senqubo | Umthamo wesimo esizinzile | Ukunganaki isikhathi sokugcwalisa kabusha |
Ukwehla okuphezulu | Ukumboza okuphuthumayo | Ukunciphisa umcimbi omkhulu owodwa |
Ibhendi yokukhuphuka | Ukulinganisa ukuhlinzeka/ukufuna | Ukushiya ukuhlukahluka |
Okusebenzisekayo vs okuphelele | Umthamo wangempela okhona | Ukubala umlenze ofile njengosebenzisekayo |
Izinga Lokwenziwa Kanye Nemibhalo
Indlela yokwenziwa ikhethwa ukuze ithangi likwazi ukubhalwa ngokwezinga elidingwa yisitshalo kanye nabacwaningi bayo. Insimbi eboshiwe inikeza izinga lamaphaneli elilawulwa yifekthri; ukwakhiwa okushiseleni kufaneleka emisebenzini emikhulu kakhulu noma yezinga lokushisa eliphezulu.
· AWWA D103-09 yamathangi aboshiwe. Isithenjwa sokwakhiwa kwamathangi ensimbi ye-carbon aboshiwe, esihlanganisa izidingo zamaphaneli, amabhawudi nophahla lokuhlanganiswa okulawulwa yifekthri.
· ISO 28765 yamathangi ane-vitreous-enamelled (GFS). Izinga lokuklama lamathangi okugcina ane-enamel, okubhekiselwa kuwo lapho ingubo yangaphakathi i-glass-fused-to-steel.
· API 650 yamathangi ashiselwe. Ikhethwa lapho umsebenzi noma umthamo kuthanda ukwakhiwa okushiselwe endaweni kunamaphaneli aboshiwe.
· Ukusekelwa kwesitifiketi. Ukukhiqizwa ngaphansi kwe-ISO 9001 ne-ISO 45001, kanye nohlu lwemikhiqizo oluhlanganisa i-NSF/ANSI 61, i-WRAS, i-FM ne-CE (EN 1090) lapho uhlelo lufuna khona, kusekela ukubuyekezwa kwabantu besithathu nabanikazi.
Ukubhala phansi izinga lokusebenza kusukela ekuqaleni kuvimbela ukumangala kwesikhathi sakamuva mayelana nokumboza noma ukwakhiwa okungenakufakazelwa ngokuvumelana nesimiso semboni.
Icala Lomsebenzi
Irekhodi elizinikele lezobuchwepheshe lamanzi enqubo yezimboni yalolu hlobo alikakabi yingxenye yephothifoliyo elethiwe, ngakho-ke le ndatshana ibhalwe njengesiqondiso sobunjiniyela hhayi njengesicaphuno sephrojekthi. Ikhono lenkampani lokuhlinzeka ngamathangi amanzi enqubo aboshiwe kuzo zonke izinto ezisetshenziswayo likhonjiswa emikhakheni eseduze: izinhlelo zokuvikela umlilo zaphesheya ziye zathumela amathangi e-GFS afinyelela ku-12,261 m³ (India, amathangi ama-3, 2024-06) kanye no-1,666 m³ (Singapore, amathangi ama-2, 2026-01), akhiwe ngamazinga afanayo amathangi aboshiwe ithangi lokugcina lamanzi enqubo yezimboni elakhelwe kuwo. Lezo zicaphuno zifakazela ukuhlinzekwa kwamathangi aboshiwe omthamo omkhulu kanye ne-QA kuzo zonke izinto ezisetshenziswayo; zingamaphrojekthi okuvikela umlilo, hhayi ukufakwa kwamanzi enqubo, futhi zicashunwa lapha kuphela njengomongo wekhono.
Amandla Obunjiniyela be-Center Enamel
UCenter Enamel (Shijiazhuang Zhengzhong Technology Co., Ltd) usekhela futhi wakha amathangi okugcina aboshiwe kusukela ngo-2008. Njengomkhiqizi wokuqala wamathangi ensimbi ehlanganiswe nengilazi (GFS) eChina, inkampani inamalungelo obunikazi acishe abe ngu-200 ahlobene ne-enamel, ikhiqiza cishe amapuleti ensimbi ehlanganiswe nengilazi angu-300,000 ngonyaka, isiqedile amaphrojekthi afakiwe angaphezu kuka-30,000 futhi ihlinzeka amathangi ayo emazweni angaphezu kwe-100. Isizinda esisha sokukhiqiza esingu-150,000 m² sengezwe ukukhulisa umthamo wokukhiqiza, futhi amathangi angawodwa ahlinzekwa afinyelela ku-60,000 m³. Ukukhiqiza kusebenza ngaphansi kwe-ISO 9001 ne-ISO 45001, ngesitifiketi somkhiqizo esihlanganisa i-NSF/ANSI 61, i-WRAS, i-FDA, i-LFGB, i-CE (EN 1090), i-ISO 28765, i-FM, i-BSCI ne-EUROCODE, futhi ukuklama kubhekiselwa ku-AWWA D103-09, AWWA C550, ISO 28765 ne-API 650 lapho uhlelo ludinga khona.
Ngomsebenzi wamanzi ezinqubo zezimboni, inkampani ihlinzeka ngamathangi ahlanganisiwe e-GFS, FBE, insimbi engagqwali kanye ne-galvanized anokumboza nokwakhiwa okubhalwe phansi ngokuvumelana nezinga elifanele, futhi inikeza ukujiya kokumboza, ukunamathela kanye namarekhodi okuhlolwa kwe-spark ye-1,500 V DC ukuze abuyekezwe.
Imibuzo Evame Ukubuzwa
Umbuzo 1: Iyiphi impahla engcono kakhulu yamanzi ezinqubo?
A1: Kuncike ekhemistri yamanzi. I-GFS ilungele i-pH ebanzi, i-chloride kanye nomsebenzi wokuhlikihla; i-FBE ikhethwa ngenxa yezinga lokufakwa kwe-lining elibhaliwe; i-stainless steel ilungele ukugqwala okuthile okuhlanzekile ngaphakathi kwemikhawulo yezinga; i-galvanized ilungele umsebenzi omnene, ongenakho ukuthintana.
Q2: Kungani i-khemistri iyisilinganiso sokuqala sokukhetha?
A2: Ngoba i-lining engalungile noma izinga lensimbi elingalungile lihluleka ngenxa yokugqwala noma ukuguga ngaphambi kokuthi impilo yesakhiwo somgogodla ifinyelelwe; ukusho i-pH, ama-chloride, ama-abrasives kanye nezinga lokushisa kususa ukuqagela.
Q3: Ithangi likalwa kanjani?
A3: Kusukela ekushintshweni kwenqubo, ukwehla okuphezulu kanye nanoma yimuphi umkhawulo wokukhuphuka/ukulingana, nomthamo osebenzisekayo oshiwo phakathi kokuchichima nokunqanyulwa kokudonsa kanye nomlenze ofileyo ongafakiwe.
Q4: Yimuphi umgangatho osebenza kuthangi lwenqubo eliboshiwe?
A4: I-AWWA D103-09 ilawula ukwakhiwa kwethangi lensimbi yekhabhoni eliboshiwe; i-ISO 28765 ibhekiselwa ekwakhiweni kwe-vitreous-enamelled (GFS); i-API 650 ikhethwa lapho ukwakhiwa okushiseliwe kuncanyelwa.
Umbuzo 5: Yibuphi ubufakazi bokumboza obusekela ukuhlolwa?
A5: Ukujiya kwekhodi yokumboza, ukunamathela (ngaphezu kuka-3,450 N/cm² we-GFS) kanye namarekhodi okuhlolwa kwe-spark ye-1,500 V DC kuzo zonke izingxenye, kanye nesitifiketi esifanele njenge-NSF/ANSI 61, WRAS noma i-FM lapho kudingeka khona.
Q6: Ingabe i-GFS imelana nokuhuzuka?
A6: Isikhumba se-enamel esishisiwe siqinile futhi sibushelelezi (Ra < 0.8 µm) futhi simelana nezinhlayiya ezihamba namanzi kangcono kunezinto zokumboza ezithambile; emisebenzini enzima ye-slurry kufanele kucaciswe inketho noma izinga elimelana nokuhuzuka.
Q7: Ingabe ithangi elilodwa lingasebenza ekugcineni okusheshayo nokungaguquki?
A7: Yebo, inqobo nje uma ukulinganisa kwesilinganiso kubala kokubili umthamo wokushintshashintsha okungaguquki kanye nebhendi yokushesha, futhi izilawuli zezinga zisethwe ukuze ukushintshashintsha kwesimo esisheshayo kungaze kweqe ukuchichima noma isixwayiso sezinga eliphansi.
Ithangi lokugcina amanzi enqubo yezimboni likhethwa ngokubeka ikhemistri phambili: fanisa impahla kanye nekhodi yokumboza ne-pH, ama-chloride, ama-abrasive kanye nezinga lokushisa amanzi akhona ngempela, bese ulinganisa umkhumbi ngokushintsha, ukudonsa phansi kanye nokukhuphuka, futhi ubhale ukwenziwa ngokwe-AWWA D103-09, ISO 28765 noma API 650 njengoba umsebenzi udinga. Khetha isembozo ngokwezinga elingafakazelwa kulo, hhayi ngedatha yedatha ejwayelekile, futhi ithangi lizosinda kunokuba lidliwe inqubo.
Khuluma Nonjiniyela
Ngethangi lokugcina amanzi enqubo yezimboni, sithumelele ikhemistri yamanzi agciniwe (i-pH, ama-chloride, ama-abrasive, izinga lokushisa), ukujika kwenqubo kanye nokwehla okuphezulu, noma yimuphi umsebenzi we-surge noma wokulinganisa, kanye nezinga lokwakha elidingwa yisitshalo sakho. Sizobuyisela isincomo sezinto zokwakha kanye ne-coating enobukhulu kanye nobufakazi bokuhlolwa kwe-spark, ucwaningo lokulinganisa umthamo okusetshenziswayo okushiwo, kanye nencazelo yethangi elihlanganisiwe le-GFS, FBE, insimbi engagqwali noma i-galvanized ebhalwe ngokwezinga elifanele.
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