Izikhungo zamanzi zaseMelika ziyaphelelwa yizisebenzi. Isilinganiso seminyaka yomqhubi wesitshalo sokwelapha amanzi esiqinisekisiwe e-United States singaphezu kweminyaka engu-50, futhi i-American Water Works Association ibhale phansi inani elifanayo lezindawo zokusabalalisa, iziteshi zokuqinisa, kanye nezindawo zokwelapha kumele zinakekelwe ngabantu abambalwa, abadala, nababiza kakhulu.
Ukuqapha i-chlorine ngokomlando kube ngomunye wemisebenzi enzima kakhulu ohlelweni lwamanzi. I-analyzer evamile esekelwe ku-DPD eku-inthanethi idinga uchwepheshe ukuthi agcwalise ama-reagent njalo ngemva kwesonto eli-1 kuya kweli-4, kuye ngokuthi kusetshenzisweni. Inzwa ye-amperometric embozwe yi-membrane idinga ukugcwalisa ama-electrolyte kanye nokushintsha i-membrane ngezikhathi ezithile. Enkampanini esebenza eziteshini ze-chlorination ze-booster ezingu-40 kulo lonke idolobha, lowo mthwalo wokulungisa usho ukuthi uchwepheshe oyedwa uchitha cishe izinsuku ezimbili ngesonto eshayela phakathi kweziteshi - eshintsha ama-reagent, eshintsha ama-membrane, elungisa kabusha.
Izinsuku ezimbili ngesonto zesikhathi somsebenzisi esingu-$45 ngehora, njalo ngeviki, impilo yonke yesistimu. Leyo yindleko indawo yokuthobela imithetho ye-EPA ye-Method 334.0 engayitholi nganoma iyiphi indlela. Futhi yingakho inani elikhulayo lezinsizakusebenza zaseMelika lishintshela ku-sensor ye-chlorine engena-reagent, engena-membrane.
1I-Logic Yomkhiqizo: Susa Okusebenzisekayo, Susa Ukuvakasha
Inzwa ye-chlorine eseleyo ye-Honde online isebenzisa i-voltage engaguquki emasongweni amabili e-platinum acwiliswe ngqo ekugelezeni kwamanzi. I-chlorine yamahhala esabela ebusweni be-electrode ikhiqiza ugesi ohambisana nokuhlushwa kwayo. Inzwa iguqula lokhu kube ukufundwa ku-mg/L, ikhiphe ngaphezu kwe-RS485 Modbus-RTU, futhi ikhokhela izinga lokushisa ngokuzenzakalelayo.
- Ayikho i-reagent yokugcwalisa kabusha
- Akukho ulwelwesi oluzofakwa esikhundleni salo
- Akukho electrolyte okufanele igcwaliswe
- Ukuvakasha kwekota uma kuqhathaniswa nokuvakasha kweviki ngalinye
- Ukonga okungu-$600 ngonyaka ngesiteshi ngasinye
- Amahora ayi-1,000 isikhathi somsebenzisi esitholiwe
Kunethiwekhi yokusabalalisa eneziteshi ezingu-40, lokho kungama-$24,000 ngonyaka ezintweni ezisetshenziswayo ezisusiwe kanye namahora alinganiselwa ku-1,000 ngonyaka wesikhathi somsebenzi esitholiwe.
2Isimo 1: Ukufakwa kwe-chlorine esikhuphula ukusatshalaliswa kukaMasipala
Izinhlelo zokusabalalisa zase-US ziyadingeka ukugcina i-chlorine eseleyo etholakala kuzo zonke izindawo kunethiwekhi - uMthetho we-EPA we-Total Coliform udinga ukuhlolwa kwe-residual kuzo zonke izindawo zesampula ezijwayelekile, kanti uMthetho we-Stage 2 Disinfectants and Disinfection Byproducts usetha ubuningi obungu-4.0 mg/L. Phakathi "kokutholwayo" kanye "no-4.0 mg/L" kukhona ibhendi yokusebenza lapho izinsiza ziphatha khona: ngokuvamile kusuka ku-0.5 kuya ku-1.2 mg/L, okulungiswa ngokwesizini.
Iziteshi zokufaka i-chlorination ye-Booster yilapho leli bhande liphathwa khona. Isiteshi sokufaka i-chlorine sinezela i-chlorine emanzini ahambe amahora amaningi esuka esitshalweni sokwelapha futhi alahlekelwe yinsalela ngenxa yesidingo sodonga lwamapayipi kanye nomthwalo wemvelo. Inzwa yesiteshi iqhubeka nokulinganisa okusele bese iqhuba iphampu yokulinganisa ukuze ibambe indawo ebekwe kuyo.
Imfuneko ye-EPA Method 334.0 iyisango lokuthobela imithetho: abahlaziyi be-chlorine abaku-inthanethi abasetshenziselwa ukuthobela imithetho kumele bahlangabezane nezindinganiso zokwamukelwa kwale ndlela. Isimiso sokulinganisa i-amperometric senzwa ye-Honde kanye nokunemba okubhaliwe (±1% FS) kuyibeka ekufakweni okuhambisana ne-Method 334.0 ezitshalweni zokwelapha kanye nasezindaweni zokusabalalisa.
Inzwa ixhuma ngqo kwi-SCADA yesiteshi nge-interface ye-RS485 Modbus — yonke inkampani yamanzi yaseMelika isebenzisa i-SCADA, kanti i-Modbus ulimi lwendabuko lwawo wonke ama-RTU kanye nama-PLC embonini.
3Isimo 2: Izakhiwo Zezentengiselwano Ezipholisayo Zemibhoshongo
I-angle yeLegionella iyona ebangela isidingo esikhula ngokushesha. I-ASHRAE Standard 188-2021 idinga ukuthi abanikazi bezakhiwo basebenzise Uhlelo Lokuphathwa Kwamanzi olusemthethweni lwemibhoshongo yokupholisa — futhi izindawo eziningana zase-US, okuhlanganisa neNew York City, ziye zaqhubeka nemithetho yendawo ephoqelela ukubhaliswa kwemibhoshongo yokupholisa kanye nokuqapha ikhwalithi yamanzi.
Umbhoshongo wokupholisa uyindawo efanelekile yeLegionella: amanzi afudumele, 30–40°C, acebile ngezakhamzimba othulini lomoya, kanye nokukhiqizwa kwe-aerosol okusabalalisa noma yikuphi ukungcola endaweni. Isu lokulawula ukukala i-chlorine noma i-bromine ukuze kugcinwe insalela emgqonyeni wombhoshongo, kuhlanganiswe nokuqapha okuqhubekayo.
Imakethe yobunjiniyela bezakhiwo ibilokhu isebenzisa ukuhlolwa okulula kwe-test-strip noma i-DPD-kit — umphathi wesikhungo ucwilisa i-strip masonto onke bese ebhala umbala ofanayo ebhodini lokunamathisela. Leyo ndlela yehluleka lapho ibaluleke kakhulu: phakathi kokuhlolwa kwamasonto onke nokwelandelayo, umbhoshongo ungashintsha kusuka ku-0.3 mg/L (kuphephile) uye ku-0.0 mg/L (ungalawulwa) ngesikhathi segagasi lokushisa elandisa isidingo samanzi nokusetshenziswa kwe-chlorine.
Inzwa engena-reagent ishintsha umnotho wesakhiwo. Ifakwe emgqeni wokujikeleza kabusha kombhoshongo, ixhunywe ohlelweni lokuphatha isakhiwo nge-RS485, inzwa ibika i-chlorine esele njalo. I-BMS iyaxwayisa lapho okusele kwehlela ngaphansi kobuncane obunconywa yi-ASHRAE.
Ukwakheka Kwezixazululo Zokuthunyelwa Kwase-US
Inzwa ifakwa ku-bypass loop endaweni yokukhipha i-chlorination. I-Data logger enesikrini esiteshini ngasinye ibonisa i-current residual kanye ne-trend yamahora angu-24. Ilabhorethri yale nkampani isebenzisa i-Handmeter ngesikhathi sokuqinisekiswa kwekota - isampula yokubamba ehlaziywe nge-reference ephathekayo futhi iqhathaniswa nenzwa efakiwe.
Umphumela we-RS485 Modbus-RTU uxhuma ngqo kwi-PLC noma i-RTU yesiteshi. Ngezimpahla ezisatshalaliswe, izinzwa zidlulisela ngamamojula angenantambo e-GPRS, 4G, WIFI, LoRa, noma i-LoRaWAN, ahlanganiswe ngefomethi ye-MQTT Json, ku-SCADA ephakathi noma ohlelweni lokuphatha izakhiwo.
Iseva yefu kanye nesofthiwe kuhlanganisa idatha ye-chlorine evela kuzo zonke izindawo eziqashwe. Uhlelo lokudlulisa i-Alarm lusebenzisa i-control loop: lapho okusele kwehla ngaphansi kobuncane obungu-0.5 mg/L, i-relay ilungisa iphampu yokulinganisa bese ikhuphula ama-alamu kumqhubi ocingweni uma kudingeka.
Imiphumela Yensimu: Usizo Lwamanzi lwaseNingizimu-mpumalanga ye-US, 2026
Isikhungo sikamasipala esiphakathi nendawo eningizimu-mpumalanga ye-United States, esikhonza amakhasimende angu-380,000 ezifundeni ezintathu, sithathe indawo yabahlaziyi be-DPD-reagent ngezinzwa ze-Honde ezingenayo i-reagent eziteshini ezingu-28 ze-booster chlorination kanye nezindawo ezimbili zamanzi eziqediwe ezitshalo zokwelapha.
Imiphumela yokusebenza ngemva kwezinyanga ezi-4:
- Iziteshi zokuqinisa ezingu-28 zisuse ukuvakasha kwazo kokugcwalisa kabusha ama-reagent masonto onke, zashintsha zaba imijikelezo yokuhlola yekota. Le nkampani ithole amahora okusebenza alinganiselwa ku-880.
- Izindleko ezisetshenziswayo zeziteshi eziguquliwe zehle zisuka ku-$16,800 ezilinganiselwa ku-zero kuleso sikhathi.
- Uhlelo lokudlulisa i-Alarm luthole ukwehluleka okungu-7 kokulinganisa iphampu kungakapheli imizuzu embalwa yokwehla okusele — ngaphambilini, lokhu kwehluleka ngabe kutholakale ekuvakasheni kwesiteshi okulandelayo kwamasonto onke.
- Akukho ukwephulwa kwemithetho okubhalwe phansi. Ithimba lokuthobela imithetho lenkampani licaphune idatha eqhubekayo esele njengephakheji yamadokhumenti enamandla kakhulu eyake yakhiqizwa ukuze kubuyekezwe uhulumeni.
- Izinzwa ezimbili zezitshalo zokwelapha ziphumelele ukubuyekezwa kokuqala kokwamukelwa kwesifundazwe ngaphandle kokukhetha.
Xhumana ne-Honde Technology yokuqapha amanzi ezinsizakalweni kanye nezakhiwo
I-Honde Technology ingumkhiqizi oqinisekisiwe yi-TUV & Alibaba yaseJalimane. Sihlinzeka ngehadiwe yokuqapha i-chlorine engena-reagent, isikhombimsebenzisi se-SCADA-native RS485, kanye ne-logic yokulawula imithamo ezenzakalelayo edingwa yizinsizakusebenza kanye nabanikazi bezakhiwo.
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Isikhathi sokuthunyelwe: Agasti-10-2026