He mea nui te whakaaro ki te iti rawa o te kawe hiko ina whiriwhiria he mita rere hikohiko. Kāore i rite ki ngā mita rere ā-ringa, ngā mita rere ultrasonic rānei, me whai taumata kawe hiko te wai inehia kia puta ai he tohu ine.
I te nuinga o te wā, ko te nuinga o ngā mita rere hikohiko e hiahia ana kia rite te kawe wai ki:
≥ 5 μS/cm (maikorosiemens ia henimita)
Ka taea e ētahi mita rere hikohiko mahi-teitei te ine i ngā wai he iti ake te kawe hiko, engari mō te ine pono me te pumau, ko te tikanga he nui ake te kawe hiko i te 5 μS/cm.
He aha te pānga o te kawe hiko ki te ine i te mita rere hiko?
Ka mahi te mita rere hikohiko e ai ki te Ture a Faraday mō te Whakaoho Hikohiko.
Ina pā te wai kawe hiko mā roto i te papa aukume i hangaia e te pūoko, ka puta he ngaohiko whakaoho. Ka kitea tēnei tohu ngaohiko e ngā irahiko kua whakauruhia ki roto i te pūoko, ā, ka tatauhia e te kaitahuri te tere rere.
Ko te kaha o te tohu i whakaputaina e whakawhirinaki ana ki te kawe hiko o te wai.
Mena he iti rawa te kawe hiko o te wai:
* Ka tino ngoikore te tohu ngaohiko whakaoho.
* Kāore e taea e ngā irahiko te kite i tētahi tohu pumau.
* Tērā pea ka rerekē te putanga.
* Tērā pea ka whakaatu te mita rere i ngā pānui kāore i te pumau, i te hē rānei.
Nō reira, ko te kawe hiko tētahi o ngā mea matua e pā ana ki te mahi a te mita rere hikohiko.
Ngā Whakaritenga Ahumahi Noa mō ngā Wai Rerekē
He rerekē ngā taumata kawe hiko o ngā wai rerekē.
Ngā tono e tika ana
He whānuitia te whakamahinga o ngā mita rere hikohiko mō ngā wai pēnei i:
Wai tap
* He pai te nuinga mō te ine i te hikohiko.
Wai Para
* He whakamahinga tino pai nā te mea kei roto i te wai para ngā kohuke me ngā katote rewa.
Wai tukanga ahumahi
* He pai mō te nuinga o ngā wā.
Ngā waikawa me ngā kawakore
* I te nuinga o te wā ka taea te ine mēnā he rawaka te kawe hiko.
Paruparu me te penupenu
* He pai nā te mea he katote rewa me ngā matūriki iri.
Ngā tono me te kawe iti
He iti rawa te kawe hiko o ētahi wai, ā, kāore pea e tika mō te ine i te rere hiko-māori.
Hei tauira:
Wai parakore
He tino iti te kawe hiko o te wai tino parakore, i ētahi wā kei raro iho i te rohe ine o ngā mita rere hikohiko paerewa.
Kei roto i ngā tono:
* Wai hanga hiko-haurua
* Wai parakore taiwhanga
* Ngā pūnaha wai whakakore iona
I ēnei āhuatanga, he pai ake te whakamahi i ngā mita rere ultrasonic.
Ngā Wai Warowaihā
Ngā wai pēnei i:
* Hinu
* Wahie tīhiera
* Penehīni
* Hinu waipēhi
he tino iti te kawe hiko, ā, kāore e taea te ine me ngā mita rere hikohiko paerewa.
Ko ētahi atu hangarau rerekē ko:
* Ngā mita rere papatipu Coriolis
* Ngā mita rere o te tāpoi
* Ngā mita rere nekehanga pai
* Ngā mita rere ultrasonic (kei te whakamahinga)
Me pēhea te tirotiro i te kawe wai i mua i te whiriwhiri i te mita rere?
I mua i te whiriwhiri i tētahi mita rere hikohiko, me tirotiro koe i:
1. Te Hanganga Waenga
Kia mārama mēnā kei roto i te wai:
* Ngā tote kua rewa
* Ngā kohuke
* Ngā waikawa, ngā kawakore rānei
* Ngā matūriki kawe
Ko ngā wai kei roto ngā iona he nui ake te kawe hiko.
2. Uara Whakahaere Tuturu
Me ine te kawe hiko i raro i ngā āhuatanga whakahaere tuturu.
Ko ngā āhuatanga nui ko:
* Te pāmahana wai
* Te kukū matū
* Ngā tikanga tukatuka
Ka tino rerekē te kawe hiko i runga i te pāmahana me te kukū.
Ka aha mēnā he iti rawa te kawe hiko?
Ina kei raro iho te kawe hiko i te awhe kua tūtohutia, ka pāngia pea ngā kaiwhakamahi e:
Putanga Kore-pūmau
Ahakoa he pumau te rere tuturu, ka pekepeke rānei te tere rere e whakaaturia ana.
Hapa Kore Rere
Kāore pea te kaitahuri e kite i tētahi tohu e ranea ana, ā, ka whakaatu pea i te kore rere.
Te Tika Kino
Tērā pea he nui ake te rerekētanga o te uara i te mea i whakaarohia.
Ngā Otinga mō ngā Taupānga Ahumahi Iti
Mena kei te tata te kawe wai ki te iti rawa o te whakaritenga, he maha ngā otinga ka taea te whakaaro:
1. Whakaū i te Ārahi Tuturu
I ētahi wā ka puta te raruraru i ngā whakaaro hē mō ngā āhuatanga o te wai. Mā te ine i te kawe hiko tuturu ka āwhina i te whakatau i te pai.
2. Kōwhiria he Mita Rere Hikohiko e Tika ana
Kua whakapai ake ētahi mita rere hikohiko matatau i ngā āheinga tukatuka tohu, ā, ka pai ake te whakahaere i ngā tono kawe hiko iti iho.
3. Kōwhiria he Hangarau Ine Rerekē
Mena he tino iti te kawe hiko o te wai, whakaarohia:
* Mita rere ultrasonic whakapūmau
* Mita rere ultrasonic ā-roto
* Mita rere Coriolis
Ko te kōwhiringa ka whakawhirinaki ki te momo wai, te tika o te whakaritenga, te rahi o te paipa, me ngā āhuatanga tāutanga.
He Pānga te Pāmahana ki te Aroturukitanga?
Āe. Ka rerekē te kawe hiko o te wai i runga i te pāmahana.
I te nuinga o te wā:
* Ka piki ake te kawe hiko i te pāmahana teitei.
* Ka whakaitihia te kawe hiko e te pāmahana iti iho.
Hei tauira, ko te kawe hiko o te wai i inehia i te 20°C ka rerekē pea i te uara i te 60°C.
Nō reira, me whai whakaaro te aromatawai kawe hiko ki te pāmahana whakahaere tuturu o te tono.
Ko te iti rawa o te kawe hiko e hiahiatia ana mō te nuinga o ngā mita rere hikohiko he tata ki te 5 μS/cm. Me nui te kawe hiko o te wai hei whakaputa i tētahi tohu ngaohiko ine i waenga i ngā irahiko.
He pai rawa ngā mita rere hikohiko mō ngā wai kawe hiko pērā i te wai, te wai para, ngā matū, me te paru. Heoi, kāore e tika ana mō ngā wai kore-kawe hiko pērā i te hinu, te wahie, me te wai tino parakore.
I mua i te kōwhiri i tētahi mita rere hikohiko, me whakaū tonu te kawe iahiko wai, te pāmahana, me ngā āhuatanga o te tukanga kia pono ai, kia tika ai hoki te ine.
Wā tuku: Hurae-27-2026