Ithangi Lamanzi Eliphakeme: Ukuklama, Izakhiwo Zokusekela Nokukhetha Ukuhlinzeka Ngamanzi Ahamba Ngamandla Adonsela Phansi
Kwadalwa ngo 10.17
Ithangi Lamanzi Eliphakeme: Idizayini, Izakhiwo Zokusekela Nokukhetha Ukunikezwa Okudonswa Ngamandla Adonsayo
Ithangi lamanzi eliphakeme ligcina amanzi ngaphezu kwendawo okusetshenziswa kuyo ukuze amandla adonsela phansi—hhayi iphampu esebenza ngokudingeka—ahambise ingcindezi kunethiwekhi yokusabalalisa. Ithangi ngokwalo ngokuvamile liyisitsha sensimbi esakhiwe efektri, esiboshwe ngezibhawodi (ngokuvamile i-Glass-Fused-to-Steel, ehlanganiswe nge-epoxy, noma i-galvanized) eligxunyekwe embhoshongweni wensimbi, esisekelweni sikakhonkolo, noma endaweni yesakhiwo ephakanyisiwe. Abakhethi bacala ukuphakama lapho bedinga ingcindezi eqinile, ukumpompa okulula, ukuvikelwa ezikhukhuleni, noma izinqolobane ezinengcindezi zokucisha umlilo namanzi okusebenza.
Iyini Ithangi Lamanzi Eliphakeme
Ithangi lamanzi eliphakeme iwumkhumbi wokugcina ophakanyiswe ngaphezu kwezinga lomhlaba ukuze kwakheke inhloko yamanzi emile. Ikholomu yamanzi engaphezu kwesibhamu idala ingcindezi ngamandla adonsela phansi, ngakho umphakathi, isakhiwo, noma umugqa wenqubo uthola ukugeleza ngaphandle kwepompo esebenza ngokuqhubekayo. Ukuhlanganiswa kunezingxenye ezimbili ezihlukile:
1. Umkhumbi wethangi — isitsha esivaliwe esigcina amanzi.
2. Isakhiwo sokusekela — umbhoshongo, isisekelo, noma ipulatifomu ebeka umkhumbi endaweni efanele yobude.
Lokhu kuhlukaniswa kubalulekile ekucaciseni. Umkhumbi nesekelo bakhelwe amazinga ahlukene: umkhumbi wokugcina, ukuqina kwekhodi, nokuthintana namanzi okuphuza; isakhiwo somthwalo wesisekelo, umoya, kanye nesidingo sokuzamazama komhlaba.
Indlela Ithangi Lamanzi Eliphakeme Elisebenza Ngayo
Ingcindezi kunoma yikuphi ukuphuma ilingana nekhanda elimile elidalwe ukuphakama kwamanzi ngaphezu kwayo. Umthetho owusizo womunwe: imitha ngayinye yekholomu yamanzi iletha cishe u-9.81 kPa (cishe u-1.42 psi). Izinhlelo zikamasipala nezasezindaweni zasemakhaya ngokuvamile zihlose ukuphakama kwamamitha angu-15–30, okunikeza cishe u-20–43 psi endaweni ephansi kakhulu exhunyiwe ngaphambi kokulahlekelwa ukungqubuzana.
Umjikelezo wokusebenza ulula:
· Iphampu (noma isitshalo sokuhlanza amanzi) igcwalisa ithangi eliphakeme ngezikhathi zokudingeka okuphansi noma ezingekho emsebenzini.
· Isidingo sihlinzekwa ngamandla adonsela phansi njengoba izinga lehla.
· Iphampu iphinda iqale kuphela lapho ithangi lifinyelela izinga eliphansi elibekiwe.
Ngenxa yokuthi ithangi liphethe umthamo ophezulu, iphampu kanye nokunikezwa kwamandla kungalinganiselwa ukugeleza okujwayelekile esikhundleni sokuphezulu kwesikhashana—lokhu kunciphisa izindleko zokutshala imali kanye nezindleko zokusebenza.
Kungani Kucaciswa Ukuhlelwa Okuphakeme
Umqhubi | Yini elethwa ukuphakama |
Ukuqina kwengcindezi | Ukunikezwa ngamandla adonsayo kuyaqhubeka ngesikhathi sokuphazamiseka kwephampu noma kwamandla |
Ukumpompa okulula | Ipompo lisebenza ngokugeleza okujwayelekile, hhayi isidingo esiphezulu |
Ukuvikelwa ezikhukhuleni nasezingeni lomhlaba | Isitoreji sihlala ngaphezu kwezinga lezikhukhula emithambekeni noma emhlabeni obuyiselwe |
Ukusebenza kahle kwesikhala | Indawo ebalulekile yomhlaba ikhululiwe yokwelashwa noma yokufinyelela |
Isivikelo esicindezelwe | Ikhanda elithembekile lokucisha umlilo namanzi okwengeza enqubo |
Esiqhingini, ezindaweni eziphakeme, nasezindaweni zasemakhaya—lapho amapayipi amade kanye nesidingo esiguquguqukayo kwenza ukumpompa okuqhubekayo kube yizindleko eziphezulu—ukuphakama kuvame ukuba yindlela engcono kakhulu yezomnotho yokuqinisekisa ingcindezi.
Izinketho Zamathangi Okufakwa Endaweni Ephakeme
Umkhumbi cishe njalo uyithangi lensimbi eliboshiwe, ngoba amaphaneli akhanyayo ngokwanele ukuze aphakanyiswe futhi ahlanganiswe esakhiweni, futhi i-coating isetshenziswa endaweni yefektri elawulwayo ngaphambi kokuthunyelwa.
Uhlobo lomkhumbi | Ikhodi / into yokumboza | Amandla okuphakama | Ukusetshenziswa okuvamile |
I-Glass-Fused-to-Steel (GFS) | I-vitreous enamel ehlanganiswe nensimbi ku-820–930 °C | Amaphaneli aboshwe alula, ukumelana nokugqwala okuphezulu, amazinga e-NSF/ANSI 61 kanye ne-WRAS wamanzi okuphuza | Amanzi okuphuza kamasipala, asemakhaya, aseziqhingini |
Insimbi eboshwe nge-epoxy | Ukufakwa kwe-epoxy okuhlanganisiwe noma uketshezi lwe-epoxy | Ukumelana namakhemikhali okuhle, indawo ebushelelezi ehlanzekile | Amanzi ezimboni namanzi acutshungulwayo |
Insimbi egqanyisiwe eboshiwe | Ukugqanyiswa kwe-zinc ngokucwilisa okushisayo | Okunomnotho, okuqinile, ukuvikelwa kokugqwala okulinganiselayo | Izinhlelo ezingasebenziseki futhi zesibili |
Insimbi yokushisela | Igobolondo elishiselwe endaweni, elifakwe ingubo ngaphakathi | Usayizi omkhulu wethangi elilodwa, okunzima kakhulu, umsebenzi omningi endaweni | Amadamu amakhulu okushisela (avame ukufakwa phansi) |
Okokufakwa okuphezulu, i-GFS ivamise ukuba yisitsha esikhethwayo: amaphaneli ahlanganiswe efektri, ngakho ikhwalithi yokugcotshwa ayincikile esimweni sezulu sasensimini, futhi ukuhlanganiswa okumojuli okuhlanganisiwe kufaneleka ukuphakanyiswa phezu kombhoshongo.
Izakhivo Zokusekela
Isisekelo sikhethwa ngokuphakama, umthwalo, kanye nezimo zendawo:
· Umbhoshongo wensimbi noma uhlaka lwemilenze — luvamile ezindaweni eziphakathi nje; lwakhiwe ngensimbi yesakhiwo futhi lwakhelwe imimoya yendawo kanye nemithetho yokuzamazama komhlaba.
· Isisekelo sikakhonkolo — sisetshenziselwa ububanzi obukhulu nalapho kuthandwa isisekelo esiphansi, esikhulu.
· Ukufakwa okuxubile / kwepulatifomu — isitsha sihlala ophahleni lwesakhiwo noma kudekhi eliphakanyisiwe elakhiwe ngobuchwepheshe lapho isakhiwo sesivele sikhona.
Isisekelo, ukubopha, ileli yokungena, kanye nokuhamba kwamanzi aphuphumayo kuyingxenye yephakethe lesakhiwo futhi ngokuvamile kwakhiwa usonkontileka wezokwakha womhlaba/wezakhiwo waphrojekthi. Umhlinzeki wethangi uletha isitsha; ukusekelwa kuhlanganiswa ngobunjiniyela bephrojekthi, kanti kokubili kuklanyelwe ukumthwalo owabiwe kanye nencazelo yokuxhumana.
Ukucatshangelwa Kwedizayini Nokulinganisa
· Ikhanda elidingekayo — setha ukuphakama kusuka engcindezini edingekayo kumsebenzisi ophansi kakhulu kanye nokulahlekelwa ukungqubuzana nokuphakama kunethiwekhi.
· Ububanzi vs ukuphakama — ngevolumu enikeziwe, isitsha eside futhi esincane siphakamisa isikhungo samandla adonsayo; izindleko zokusekela zikhuphuka ngokuphakama. Linganisa ivolumu yokugcina nezindleko zesakhiwo.
· Ukuqina kwesembozo — isitsha kufanele simelane nakho kokubili ukwakheka kwamakhemikhali kwamanzi angaphakathi nesimo sezulu sangaphandle endaweni ephakeme; ama-GFS nezembozo ze-epoxy zekhwalithi zicacisiwe ukuze zisebenze isikhathi eside ngokunakekelwa okuphansi.
· Amakhodi namazinga — amathangi ensimbi aboshiwe amanzi avame ukubhekiselwa ku-AWWA D103; insimbi ewelidiwe ku-AWWA D100; amaphaneli e-GFS enamel ku-ISO 28765; ukusetshenziswa kwensimbi yesakhiwo ku-EN 1090; izinto zokuxhumana namanzi okuphuza ku-NSF/ANSI 61 kanye ne-WRAS lapho kudingeka.
· Ukufinyelela nokuphepha — indlela yokuhamba, isitebhisi, isibambo sokubamba, nokuchichima kufanele kuhambisane nendawo ephakeme.
Izimo Zokusetshenziswa
· Ukuhlinzekwa kwemiphakathi yasemakhaya naseziqhingini — ukudonsa ngamandla adonsela phansi kufinyelela imizi ehlakazekile ngaphandle kwamapompo okukhulisa ingcindezi endaweni ngayinye.
· Amadolobha asezindaweni eziphakeme nasezintabeni — ithangi elingaphezu kwendawo yokuhlala lisebenza ngokuthembekile ezigabeni eziphansi.
· Indawo yokugcina yokucisha umlilo — ukuphakama kunikeza ikhanda elidingekayo kumanethiwekhi okuvikelwa komlilo.
· Inqubo yezimboni namanzi okwengeza — isivikelo esicindezelwe sihlukanisa isidingo senqubo ekungeneni kokuphazamiseka kokwelashwa noma kokuhlinzekwa.
· Ukunisela nezolimo — isitoreji esiphakeme silungisa ukujikeleza kwamapompo okusatshalaliswa ngesikhathi.
Icala Lomsebenzi: Isitoreji Samanzi Okuphuzwayo Esikhulu Se-GFS
I-Center Enamel yahlinzeka ngephrojekthi yokugcina amanzi okuphuza e-Namibia eyakhiwe ngamathangi amane, ngalinye lingu-φ41.26 m × 8.4 m, anenani eliphelele lama-44,900 m³, afakwe uphahla oluyisicaba lwe-aluminium futhi alethwa ngo-2022.
Lesi sibonelo sikhombisa ikhono lenkampani lokuletha imikhumbi emikhulu yamanzi okuphuza eboliwe ye-GFS ezingeni likamasipala wamazwe ngamazwe. Nakuba lokhu kufakwa okuthile bekusekelwa phansi, ubuchwepheshe obufanayo bethangi le-Glass-Fused-to-Steel—amaphaneli ahlanganiswe efektri, ukuhlanganiswa okuboliwe endaweni, kanye nokuqedwa kwamanzi okuphuza okusezingeni le-NSF/ANSI 61- ne-WRAS—uwuhlobo olufanayo lomkhumbi olucacisiwe ezinhlelweni zamathangi amanzi aphakeme, lapho ukuhlanganiswa kubekwe esakhiweni sokusekela esiklanywe iphrojekthi.
Ubungcweti Benkampani
I-Center Enamel (Shijiazhuang Zhengzhong Technology Co., Ltd) isungule amathangi okugcina akhiwe ngamabhawudi futhi ashiselwe kusukela ngo-2008 futhi yaba umkhiqizi wokuqala waseChina wamathangi e-Glass-Fused-to-Steel. Inkampani isebenza endaweni yokukhiqiza engu-150,000 m², ithumela emazweni angaphezu kwe-100, futhi isihambise amaphrojekthi angaphezu kwe-30,000 asekelwa amalungelo obunikazi acishe abe ngu-200 kanye nomkhiqizo waminyaka yonke wamaphaneli e-enamel-steel acishe abe ngu-300,000. Uhla lwayo lwamathangi e-GFS kanye namathangi aqoshiwe lukhiqizwa ngokwe-ISO 9001/45001, EN 1090, ISO 28765, futhi luthwala izimvume zamanzi okuphuza ezihlanganisa i-NSF/ANSI 61, WRAS, FM, ne-LFGB lapho kusebenza khona—okusekela kokubili izimiso zokugcina amanzi okuphuza abekwe phansi naphezulu emhlabeni wonke.
Imibuzo Evame Ukubuzwa
1. Kufanele ibe yinde kangakanani ithangi lamanzi eliphakeme?
Ubude bunqunywa ingcindezi edingekayo kumsebenzisi ophansi kakhulu. Cishe amamitha angu-15–30 wensika yamanzi akhiqiza cishe ama-psi angu-20–43 ngaphambi kokulahleka komugqa, okuhlanganisa iningi lamaxhumano omphakathi kanye namasipala amancane.
2. Iyiphi into yethangi engcono kakhulu ethangini lamanzi eliphakeme?
I-GFS yensimbi eboshwe ngamabhawudi ivame ukuthandwa ngoba amaphaneli ahlanganiswa efektri, alula, futhi ahlanganiswa ngokuboshwa endaweni—kufanele ukuphakanyiswa phezu kwesakhiwo sokusekela. Insimbi eboshwe nge-epoxy kanye nensimbi eboshwe ngokugalvanisha ziyizindlela ezihlukile kuye ngokwakheka kwamakhemikhali wamanzi nesabelomali.
3. Ingabe ithangi eliphakanyisiwe liyafana nombhoshongo wamanzi?
Zichaza imibono ehlobene. Umbhoshongo wamanzi uwuhlobo olulodwa lwethangi eliphakanyisiwe phezu kwesekelo eside; ithangi eliphakanyisiwe lingahlala futhi phezu kwesisekelo esifushane noma ipulatifomu ephakanyisiwe. Isici esichazayo ukugcinwa kwamanzi ngaphezu kwendawo yokusetshenziswa ukuze kube nengcindezi yamandla adonsela phansi.
4. Ingabe i-Center Enamel yakha umbhoshongo wokusekela?
Inkampani ihlinzeka ngomkhumbi wethangi eliboshiwe noma elishiselwe kanye nophahla. Isakhiwo sokusekela (umbhoshongo, isisekelo, noma ipulatifomu) ngokuvamile sihlelwa futhi sihlinzekwe ngokusebenzisa uhla lweprojekthi lwezokwakha/zesakhiwo, luhlanganiswe nethangi ngokusebenzisa incazelo yomthwalo kanye ne-interface eyabiwe.
5. Yimiphi imigomo esebenzayo emathangini amanzi aboshiwe aphakeme?
Amathangi ensimbi aboshiwe avame ukubhekiselwa ku-AWWA D103, insimbi eshiselwe ku-AWWA D100, amaphaneli e-GFS enamel ku-ISO 28765, insimbi yesakhiwo ku-EN 1090, kanye nezinto zokuxhumana namanzi okuphuza ku-NSF/ANSI 61 kanye ne-WRAS.
6. Ingabe ithangi eliphakeme lingasetshenziswa ekucishweni komlilo?
Yebo. Ukuphakama kunikeza ikhanda elimile elidingwa amanethiwekhi okuvikela umlilo, futhi ithangi linciphisa isidingo ukuze iphampu yomlilo ingathwali umthwalo ophelele wokuphezulu iyodwa.
7. Ithangi eliphakeme ligcwaliswa kanjani?
Iphampu noma isitshalo sokuhlanza siyigcwalisa ngezikhathi zokudingeka okuphansi; amandla adonsela phansi asebenza ekudingeni njengoba izinga lehla, futhi iphampu iphinda iqale kuphela ezingeni eliphansi elibekiwe, okwenza ukujikeleza kwephampu kube bushelelezi.
8. Yikuphi umthamo onganikezwa yithangi elilodwa eliphakeme?
Imikhumbi ye-GFS eboshiwe iyimojuli, futhi amandla ethangi elilodwa le-Center Enamel afinyelela cishe ku-60,000 m³; umthamo ofanele ubekwa yisidingo, ubude besikhathi sokuzimela kokunikezwa, kanye nokuphakama kwesakhiwo esikhethiwe.
Ithangi lamanzi eliphakanyisiwe liyimpahla yengcindezi eqhutshwa amandla adonsela phansi: isitsha sensimbi esihlanganisiwe esigcotshwe efektri esifakwe phezu kwesekelo elakhiwe ngobuchwepheshe bephrojekthi. Amathangi ahlanganisiwe e-GFS ayisisekelo esiqinile sesitsha ngenxa yamaphaneli awo angasindi, ukugcotshwa okuhlanganisiwe efektri okuhlala isikhathi eside, kanye nezimvume zamanzi okuphuza. Chaza ikhanda elidingekayo kuqala, bese ulinganisa ububanzi, ukuphakama, kanye nezindleko zesakhiwo—futhi qinisekisa ukugcotshwa kanye namazinga nomunjiniyela ocacisayo.
Khuluma Nonjiniyela
Xoxa ngokuphakama kwakho, ikhanda elidingekayo, kanye nokwakheka kwamakhemikhali amanzi nethimba lobunjiniyela le-Center Enamel ukuze nicacise isitsha esifanele se-GFS esihlanganisiwe noma esigcotshiwe sephrojekthi yakho yethangi lamanzi eliphakanyisiwe.
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