Ko ngā rerekētanga matua i waenga i ngā pūwero hau panuku kore-hinu OPPAIR me ngā pūwero hau tīwiri tuku iho kua pania ki te hinu kei roto i tā rātou tikanga pēhi me te kounga o te hau. He maha ngā painga o tēnei, tae atu ki te ma, te pumau, te ngāwari o te tiaki, me te whai hua o te pūngao, e āhei ai rātou ki te whakakapi mārire i ngā pūwero hau kua pania ki te hinu i roto i ngā tono maha, inā koa i roto i ngā mara uaua.
Ko te painga nui ko te hau kōpeke ma, kore-hinu, kāore e taea te whakataurite ki ngā kōpeke hau kua pania ki te hinu. Ko ngā kōpeke hau tuku iho kua pania ki te hinu me whakamahi hinu hei hiri me te whakahinuhinu i te wā kōpeke, ka mutu ka konatunatua te kohu hinu ki te hau kōpeke. Ahakoa i muri i te maimoatanga ki te wehewehe hinu-hau, he iti noa te toenga hinu e toe ana (ko te tikanga 5-15 ppm). Heoi, ko ngā kōpeke hau panuku kore-hinu ka whakamahi i te hiri āputa me te wehewehe whakahinuhinu, kia tino kore ai te hau kōpeke i te hinu. Ko ētahi tauira teitei ka eke ki te ihirangi hinu i raro i te 0.001 ppm, e tata ana ki ngā paerewa taumata kore. He mea nui tēnei hau ma mō ngā tono pēnei i te tukatuka kai (hei tauira, te whakatō taro, te whakamomona inu), te hanga rongoā (hei tauira, te takai rongoā, ngā mahi parakore), me te hanga hikohiko (hei tauira, te takai maramara), ka ārai katoa i te poke hinu o ngā hua me te whakarite i te kounga me te haumaru o te hua.
Tuarua, he pumau ake te mahi, ā, he iti ake te haruru. Ko ngā pūwero hau tuku iho he momo piston, he momo tīwiri rānei. He nekehanga tauutuutu ngā pūwero piston, ka nui te wiri me te haruru (75-90 tekipere te tikanga); ahakoa he iti ake te wiri o ngā pūwero tīwiri, me whakamahi tonu he hinu whakahinuhinu, ā, he nui te pānga o te pāmahana me te kounga o te hinu ki tō rātou pumau mahi. Ka whakamahia e ngā pūwero hau panuku kore-hinu he nekehanga porowhita maeneene o ngā pereti panuku, me te kore he pānga tauutuutu. Ko te kaha wiri he 1/5 ki te 1/10 noa iho o te kaha o ngā pūwero piston, ā, ka taea te whakahaere i te haruru mahi i te 60-70 tekipere, he rite ki te kōrero noa. Nā tēnei ka pai mō te tāutanga ki ngā awheawhe, ki ngā taiwhanga, me ētahi atu taiao haruru-aro me te kore e hiahiatia he ārai haruru tāpiri. Hei tāpiri, ko te tukanga pēhanga tonu me te maeneene ka hua ake he iti noa ngā rerekētanga pehanga (0.02-0.05 MPa te tikanga), ka whakarato i te pūtake pehanga pumau mō ngā taputapu hau me te ārai i ngā take tika whakaputa i puta mai i ngā rerekētanga pehanga.
He painga nui anō hoki te ngāwari o te tiaki. Me whakakapi tonu te hinu whakahinuhinu, ngā wehewehe hinu-hau, ngā tātari hinu, me ētahi atu wāhanga o ngā pūwero hau kua pania ki te hinu. He poto te huringa tiaki (ia 2000-3000 hāora te nuinga), ā, he uaua ngā tikanga tiaki. Hei tāpiri, me whakakore ngā hinu para e te tohunga, ki te kore ka poke te taiao. Engari, ko ngā pūwero hau panuku kore-hinu, he rūma pēhi kore-hinu, ā, kāore e hiahiatia te whakakapi i ngā wāhanga wehewehe hinu whakahinuhinu me te hinu-hau. Me whakakapi noa te tātari hau i ia wā (ia 5000-8000 hāora) me te tirotiro i te hinu whakahinuhinu o te motuka (ko ētahi tauira he motuka kore-tiaki). Ka roa ake te huringa tiaki me te iti ake o ngā mahi, ka whakaiti nui i te wā kore mahi me ngā utu tiaki.
Hei tāpiritanga, he nui te penapena pūngao e tukuna ana e rātou. He nui te whai huatanga o te pēhanga panuku (tae atu ki te 90%), e penapena ana i te 15%-20% te nui ake o te pūngao i ngā pēhanga hau piston me te 5%-10% te nui ake i ngā pēhanga hau tīwiri tuku iho. I te wā e mahi ana, ka whakarite aunoa i te kawenga kia rite ki te hiahia o te hau. Ina tae te pēhanga hau ki te uara kua whakaritea, ka uru ki te āhua mahi kore utaina, ka whakaiti i te whakapaunga pūngao. Kei ētahi tauira he pūnaha taraiwa auau rerekē, e whakarite ana i te tere o te motuka kia rite ki te whakapaunga hau tuturu, ka whakaiti ake i te pūngao moumou me te penapena i ngā utu hiko nui mō te wā roa. I te wā kotahi, kāore he tukunga hinu para, e tutuki ai ngā whakaritenga taiao me te whakaiti i ngā utu maimoatanga taiao.
Kei te rapu a OPPAIR i ngā kaihoko o te ao, nau mai whakapā mai ki a mātou mō ngā pātai!
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Wā tuku: Hakihea-19-2025
