Inethiwekhi yemibhobho yokukhupha amanzi yindlela yokuphila engaphantsi komhlaba yesixeko, eneempawu zotshintsho olukhulu lokuhamba kwamanzi, iipatheni ezintsonkothileyo zokuhamba kwamanzi, umgangatho wamanzi ophantsi, kunye nendawo yokufakela izixhobo ezingekho mgangathweni. Ke ngoko, inkqubo yenethiwekhi yemibhobho yokukhupha amanzi ezidolophini yindawo yokhuseleko olusisiseko lwesixeko, echaphazela ngokuthe ngqo uphuhliso loqoqosho kunye nokuzinza kobomi babantu, kwaye idlala indima ebalulekileyo kuphuhliso lwesixeko. Ngokuhambela phambili nophuhliso lwezixeko, ulawulo kunye nokugcinwa kwazo kube ngumsebenzi ongxamisekileyo ojongene nabaphathi besixeko kunye nabenzi bezigqibo.
Ukongeza, kwindlela yolawulo lwendabuko, ukusebenza kwenethiwekhi yepayipi kunokuqondwa kuphela ngokuvula isigqubuthelo somngxuma ukuze uyibone. Akunakwenzeka ukuqonda ngokuchanekileyo ukusebenza kwenethiwekhi yepayipi, kwaye akunakwenzeka ukubona inethiwekhi yepayipi endala okanye eyonakeleyo okokuqala. Kamva, nangona ukucutshungulwa kolwazi kwaziswa kwinqanaba eliphantsi, i-AutoCAD, i-Excel kunye nezinye iindlela zasetyenziswa ukugcina idatha yenethiwekhi yepayipi yokukhupha amanzi kwiibhloko, ezazifezekisa kuphela imisebenzi esisiseko yokubonisa imephu kunye neyombuzo, kwaye azikwazanga ukubonisa iimpawu zenethiwekhi ezintsonkothileyo zenethiwekhi yepayipi yokukhupha amanzi. Akunakwenzeka ukuqonda ngokuchanekileyo ukusebenza kwepayipi ngexesha langempela. Ayikwazi ukubonelela ngesilumkiso esisebenzayo kwi-intanethi kunye nokubeka iliso kwiingxaki ezinje ngamanzi asezidolophini, ukugcwala kwamanzi amdaka, ukukhutshwa kwamanzi amdaka ngokungekho mthethweni kwamanzi amdaka emizi-mveliso, ukukhutshwa kwamanzi amdaka amaninzi emizi-mveliso, kunye nokuhamba kwemvula kunye nenkunkuma exutyiweyo.
Ngoko ke, ukujonga ukuhamba kwamanzi kwayo kunokubonelela ngedatha esisiseko yokusombulula ukuxinana kwamanzi ezidolophini, umonakalo wepayipi, kunye nokuvaleka kwepayipi, kwaye kubonelele ngesiseko sokusebenza kunye nokugcinwa kwenethiwekhi yepayipi yasezidolophini. Kwangaxeshanye, uphando olucwangcisiweyo lokuhamba kwenethiwekhi yepayipi yasezidolophini lunokuqonda ngokucwangcisiweyo imeko yokusebenza kwenethiwekhi yepayipi, kwaye lubonelele ngenkxaso yedatha ethile yokwakha kwakhona kunye nokwakhiwa kwenethiwekhi yepayipi yokukhupha amanzi. Ngenxa yobuchule benethiwekhi yepayipi kamasipala, kuyimfuneko ukukhetha izixhobo ezifanelekileyo zokujonga ukuhamba kwamanzi ngokweemfuno zokwenyani ukuze kufumaneke idatha echanekileyo yokuhamba kwamanzi ixesha elide kwaye kuncitshiswe ubungakanani bokugcinwa kwezixhobo.
Ngoko ke, xa kujongwa ukuhamba kwamanzi, zeziphi ii-flowmeters ezifanelekileyo kwinethiwekhi yokukhupha amanzi?
Okokuqala, kufuneka ikhethwe ngokuguquguquka okunamandla, enokusetyenziswa kwiindawo ezintsonkothileyo nakwiindawo ezingqongileyo, kwaye ayichaphazeleki lula ziintsalela zamanzi kunye nezinto eziqinileyo ezixhonyiweyo; inokuqhelana notshintsho olukhawulezileyo lokuhamba kwamanzi kunye nenqanaba lolwelo, kwaye inoluhlu olubanzi; inamandla athile okulinganisa ukuhamba kwamanzi okujika; inokujongana nemeko epheleleyo kunyeimibhobho ezaliswe kancinci.
Okwesibini, ukuhamba kwamanzi kufumaneka ngokuchanekileyo; ukufakelwa kulula, ukugcinwa kwemihla ngemihla kuncinci kwaye ukugcinwa kulula. Uninzi lwendawo yokufaka ikwindawo yokungena, apho umbane kunye nonxibelelwano olunentambo kunzima ukufikelela khona. Ke ngoko, izixhobo zifuna umbane wazo webhetri kwaye zinobunzima obuthile bokunciphisa ubungakanani bokugcinwa. Ukongeza, isixhobo kufuneka sibe nomsebenzi wonxibelelwano olungenazingcingo, okanye sinokuqhagamshelwa kwezinye izixhobo ukuze kufezekiswe umsebenzi wonxibelelwano olungenazingcingo;
Ngaphezu koko, ngenxa yokuba izixhobo zokuhamba kwamanzi ezikwindawo enomngxuma zinokujongana nezikhukula ngequbuliso nangexesha lemvula, izixhobo zifuna inqanaba eliphezulu lokungena kwamanzi ukuthintela umonakalo wezixhobo obangelwa zizikhukula, kwaye inqanaba lokungena kwamanzi ngokubanzi liphezulu kune-IP68; Xa kumiselwa ngokwendalo ukuba uxinzelelo lwe-methane oluqhelekileyo lusondele kumda wokuqhuma, izixhobo zokuhamba kwamanzi ezingenakugqabhuka kufuneka ziqwalaselwe.
Izixhobo zokuhamba kwamanzi ezikhoyo ngoku ezinokusetyenziswa kwinethiwekhi yokukhupha amanzi zisekelwe kakhulu kwindlela yokuhamba kwamanzi kwindawo leyo. Ezi zixhobo ziguquguquka ekufakweni nasekusetyenzisweni, ziyakwazi ukulungelelana kakhulu nendawo yokufakela, kwaye azinakugcinwa kakhulu. Olu hlobo lwezixhobo zokuhamba kwamanzi lubizwa ngokuba yi-ultrasonic Doppler flowmeter okanye i-sewer flowmeter emarikeni.
MalungaI-Doppler Flowmeter
I-ultrasound iya kusasazeka xa idibana namasuntswana amancinci okanye amaqamza kwindlela yokusasazeka, kubaindlela yexesha lokuhambaAyisebenzi kakuhle xa kulinganiswa ulwelo olunezo zinto. Ingasetyenziswa kuphela ukulinganisa ulwelo olucocekileyo.Indlela yeDopplerisekelwe kwinto yokuba amaza e-ultrasound asasazekile. Ke ngoko, indlela yeDoppler ifanelekile ekulinganiseni ulwelo oluneziqwenga eziqinileyo okanye amaqamza. Nangona kunjalo, ngenxa yokuba iziqwenga okanye amaqamza asasazekileyo akhona ngokungacwangciswanga, ukusebenza kokudluliselwa kwesandi kolwelo nako kwahlukile.
Ukongeza, ukuba ulwelo olunentsebenzo embi yokudlulisa isandi luyalinganiswa, ukusasazeka kunamandla kwindawo yesantya sokuhamba esiphantsi kufutshane nodonga lombhobho; ngelixa ulwelo olunentsebenzo entle yokudlulisa isandi lusasazeke kwindawo yesantya esiphezulu, nto leyo eyenza ukuchaneka komlinganiselo weDoppler kuphantsi. Nangona i-transmitter transmitter kunye ne-receiver transmitter zahlulwe, inokufumana kuphela ukusasazeka kwindawo ephakathi yeprofayili yesantya sokuhamba, kodwa ukuchaneka kokulinganisa kusephantsi kunoko kwindlela ye-transit-time.
Ixesha leposi: Sep-28-2015