He whānuitia te whakamahinga o te taura hiko polyethylene kua honoa ki roto i te pūnaha hiko nā te mea he pai ōna āhuatanga wera me te miihini, he pai rawa ngā āhuatanga hiko me te ātete ki te waikura matū. He pai anō hoki ōna āhuatanga o te hanganga māmā, te mama, kāore e herea te whakatakotoranga e te maturuturunga iho, ā, he whānuitia te whakamahinga i roto i ngā whatunga hiko o te tāone, ngā maina, ngā wheketere matū me ētahi atu wāhi. Ka whakamahia te whakamarumaru o te taurapolyethylene hono-whiti, e hurihia ana mā te matū mai i te polyethylene ngota raina ki te hanganga whatunga toru-ahu, ā, ka tino whakapai ake i ngā āhuatanga ā-pūkaha o te polyethylene me te pupuri tonu i ōna āhuatanga hiko pai rawa atu. Kei raro nei ngā whakamārama mō ngā rerekētanga me ngā painga i waenga i ngā taura polyethylene kua whakamātaotia ki te taura whakamātao noa mai i ngā āhuatanga maha.
1. Ngā rerekētanga rauemi
(1) Ātete pāmahana
Ko te pāmahana o ngā taura whakamahana noa he 70°C te nuinga, ko ngā taura whakamahana polyethylene honohono-whiti ka eke ki te 90°C, ki runga ake rānei, ka whakapai ake i te ātete wera o te taura, kia pai ai mō ngā taiao mahi uaua ake.
(2) Te kaha kawe
I raro i te horahanga whakawhiti-wāhanga kotahi o te arataki, he nui ake te kaha kawe o te taura XLPE kua whakamātaotia i tērā o te taura whakamātaotia noa, ka taea te whakatutuki i ngā whakaritenga o te pūnaha tuku hiko me te nui o te au.
(3) Te whānuitanga o te tono
Ka tukuna e ngā taura whakamahana noa te paoa HCl paitini ina tahuna, ā, kāore e taea te whakamahi i roto i ngā āhuatanga e hiahia ana kia āraihia te ahi taiao me te iti o te paitini. Kāore he halogen i roto i te taura whakamahana polyethylene whakawhiti-hono, he pai ake te taiao, he pai mō ngā whatunga tohatoha, ngā whakaurunga ahumahi me ētahi atu āhuatanga e hiahia ana ki te hiko nui te kaha, inā koa AC 50Hz, ngaohiko whakatauranga 6kV ~ 35kV ngā raina tuku me te tohatoha pumau.
(4) Te pumau matū
He pai te ātete matū o te polyethylene honohono, ā, ka taea te pupuri i te mahi tino pai i roto i te taiao waikawa, kawakore me ētahi atu matū, ā, he pai ake ai mō te whakamahi i roto i ngā āhuatanga motuhake pēnei i ngā tipu matū me ngā taiao moana.
2. Ngā painga o te taura polyethylene kua honoa-whiti
(1) Ātete wera
Ka whakarerekētia te polyethylene honohono mā te whakamahi i ngā tikanga matū, ā-tinana rānei, hei huri i te hanganga ngota raina ki te hanganga whatunga toru-ahu, ka tino whakapai ake i te ātete wera o te rauemi. Ki te whakatauritea ki te polyethylene noa me te polyvinyl chloride, he pumau ake ngā taura polyethylene honohono i roto i ngā taiao pāmahana teitei.
(2) Te pāmahana whakahaere teitei ake
Ka taea e te pāmahana whakahaere kua whakatauria o te kaiārahi te eke ki te 90°C, he teitei ake tēnei i ērā o ngā taura PVC, polyethylene rānei tuku iho kua whakamātaotia, ā, ka whakapai ake i te kaha kawe iahiko o te taura me te haumaru whakahaere mō te wā roa.
(3) Ngā āhuatanga miihini tino pai
He pai tonu ngā āhuatanga wera-mīhini o te taura polyethylene kua honoa ki te taura whakawhiti i te pāmahana teitei, he pai ake te mahi tawhito wera, ā, ka taea te pupuri i te pumau miihini i roto i te taiao pāmahana teitei mō te wā roa.
(4) Mama, ngāwari te tāutanga
He mama ake te taumaha o te taura polyethylene kua honoa-whiti i ērā o ngā taura noa, ā, kāore e herea te whakatakotoranga e te hekenga. He tino pai mō ngā taiao hanga uaua me ngā āhuatanga tāutanga taura nui.
(5) He pai ake te mahi taiao:
Kāore he halogen i roto i te taura polyethylene kua honoa-whiti, kāore e tuku hau paitini i te wā e tahuna ana, he iti noa te pānga ki te taiao, ā, he tino pai mō ngā wāhi he tino whakaritenga mō te tiaki taiao.
3. Ngā Painga i roto i te Tāutanga me te Tiaki
(1) Te roa o te mau
He nui ake te mahi ārai-pakeke o te taura polyethylene kua honoa, he pai hoki mō te tanumia mō te wā roa, mō te tūponotanga rānei ki te taiao o waho, ā, ka whakaiti i te auau o te whakakapinga taura.
(2) He pakari te pono o te whakamarumaru
Mā ngā āhuatanga whakamarumaru pai rawa atu o te polyethylene honohono, me te ātete ngaohiko teitei me te kaha pakaru, ka whakaiti i te mōrearea o te rahunga whakamarumaru i roto i ngā tono ngaohiko teitei.
(3) Ngā utu tiaki iti iho
Nā te ātete ki te waikura me te koroheketanga o ngā taura polyethylene kua honoa ki te waikura, ka roa ake te ora mahi, ka whakaiti i ngā utu tiaki me te whakakapinga o ia rā.
4. Ngā Painga o te Tautoko Hangarau Hou
I ngā tau tata nei, nā te whakapainga ake o te hangarau rauemi polyethylene honohono, kua tino pai ake te mahi whakamahana me ōna āhuatanga ā-tinana, pēnei i:
He ātete mura kua whakarei ake, ka taea te whakatutuki i ngā whakaritenga ahi mō ngā wāhi motuhake (pēnei i te ara raro whenua, te teihana hiko);
He ātete pai ake ki te makariri, he pumau tonu i roto i te taiao tino makariri;
Mā te tukanga hononga hou, ka nui ake te whai huatanga o te tukanga hanga taura, ā, ka pai ake hoki ki te taiao.
He mea nui te mahi a ngā taura polyethylene kua honoa-whiti i roto i te ao o te tuku me te tohatoha hiko, nā te mea he pai rawa te mahi a ēnei taura i roto i te mara o te tuku me te tohatoha hiko, ā, he mea haumaru ake, he mea pono ake, he mea atawhai hoki i te taiao mō ngā whatunga hiko o ngā tāone hou me te whanaketanga ahumahi.
Wā tuku: Whiringa-ā-rangi 27-2024