Te Whakamāramatanga o te HDPE
Ko te HDPE te kupu whakarāpopoto e whakamahia whānuitia ana hei tohu mō te polyethylene kiato teitei. Ka kōrerohia hoki ngā pereti PE, LDPE, PE-HD rānei. He rauemi kirihou wera te polyethylene nō te whānau kirihou.
He rerekē ngā momo polyethylene. Ko te tukanga hanga e whakamārama ana i ēnei rerekētanga ka rerekē. Ko te polyethylene tēnei e kōrero ana tātou:
• iti te mātotoru (LDPE)
• kiato teitei (HDPE)
• kiato waenga (PEMD).
Hei tāpiritanga, kei reira tonu ētahi atu momo polyethylene: he chlorine (PE-C), he tino teitei te taumaha ngota.
Kua whakapūmautia ēnei whakarāpopototanga me ngā momo rauemi katoa i raro i te maru o te paerewa NF EN ISO 1043-1.
Ko te HDPE te hua o tētahi tukanga matotoru: te Polyethylene Matotoru. Mā tēnei ka taea e tātou te hanga taonga takaro a ngā tamariki, ngā putea kirihou, me ngā paipa hei kawe wai!
Ka hangaia te kirihou HDPE mai i te hanga hinu. Mō tōna hanga, he maha ngā mahi a te HDPE:
• te whakahorohoro
• te pakaru o te mamaoa
• te whakapūhui
• te whakapūpū
I muri i tēnei panonitanga, ka mā te hua, he mārama, he rite ki te miraka. Kātahi ka tino ngāwari te hanga, te tae rānei.
Ngā whakamahinga o te HDPE i roto i ngā ahumahi
Nā ōna āhuatanga me ōna painga, e whakamahia ana te HDPE i roto i ngā tini mara o te ahumahi.
Kei ngā wāhi katoa e karapoti ana i a tātou i roto i ō tātou oranga o ia rā. Anei ētahi tauira:
Te hanga i ngā pounamu kirihou me ngā takai kirihou
E mōhiotia whānuitia ana te HDPE i roto i te umanga kai, inā koa mō te hanga pounamu kirihou.
He ipu tino pai tēnei mō te kai, mō te inu rānei, mō te hanga taupoki pounamu rānei. Kāore he mōrearea o te pakaru pērā i te karāhe.
Hei tāpiritanga, he tino painga nui tō te takai kirihou HDPE nā te mea ka taea te hangarua.
Haunga te umanga kai, kei te kitea te HDPE i ētahi atu wāhanga o te umanga whānui:
• ki te hanga taonga tākaro,
• ngā parenga kirihou mō ngā pukatuhi,
• ngā pouaka rokiroki
• i roto i te hanga waka-waka hoe
• te hanganga o ngā pōito rama
• me te tini ke atu!
HDPE i roto i te umanga matū me te rongoā
Ka whakamahia e ngā umanga matū me ngā umanga rongoā te HDPE nā te mea he ātete matū tōna. E kiia ana he koretake te matū.
Nō reira, ka mahi hei ipu:
• mō ngā hopi horoi makawe
• ngā hua o te whare kia tino tupato ki te whakamahi
•horoi
• hinu miihini
Ka whakamahia anō hoki hei hanga pounamu rongoā.
Hei tāpiritanga, e kite ana tātou he nui ake te kaha o ngā pounamu i hangaia ki te polypropylene ki te tiaki i ngā hua ina he tae, he tae rānei ō rātou.
HDPE mō te umanga hanga me te whakahaere i ngā wai
Hei whakamutunga, ko tētahi o ngā wāhanga e whakamahi nui ana i te HDPE ko te ao o ngā paipa me te ao hanga whānui.
Ka whakamahia e ngā tohunga akuaku, e ngā tohunga hanga whare rānei, hei hanga me te tāuta i ngā paipa hei kawe i ngā wai (wai, hau).
Mai i te tekau tau atu i 1950, kua whakakapia ngā paipa mata ki ngā paipa HDPE. Nā te paitini ki te wai inu, ka aukatia haeretia ngā paipa mata.
Ko te paipa polyethylene kiato-teitei (HDPE) ia, he paipa e taea ai te whakarite i te tohatoha o te wai inu: ko tētahi o ngā paipa e whakamahia nuitia ana mō tēnei mahi whakarato wai inu.
He pai te HDPE mō te ātete ki ngā rerekētanga pāmahana wai i roto i te paipa, he rerekē ki te LDPE (polyethylene whakamāramatanga iti). Hei tohatoha i te wai wera i runga ake i te 60°, he pai ake te whakamahi i ngā paipa PERT (polyethylene ātete ki te pāmahana).
Mā te HDPE ka taea te kawe i te hau mā te ngongo, hei hanga i ngā paipa hau, i ngā wāhanga hauhautanga rānei i roto i te whare.
Ngā painga me ngā ngoikoretanga o te whakamahi i te HDPE i ngā papa ahumahi
He aha te take e ngāwari ai te whakamahi i te HDPE ki ngā papa paipa ahumahi? Ā, he aha ngā āhuatanga kino o tēnei mea?
Ngā painga o te HDPE hei rauemi
He rauemi te HDPE he maha ngā āhuatanga pai e tika ai tōna whakamahinga i roto i ngā ahumahi, i te whakahaere rānei i ngā wai i roto i ngā paipa.
He rauemi iti te utu mō te HDPE, he kounga pai rawa atu. He tino pakari (kāore e pakaru), engari he māmā tonu.
Ka taea e ia te tu atu i ngā taumata pāmahana rerekē i runga i tana tukanga hanga (pāmahana iti me te pāmahana teitei: mai i te -30 °C ki te +100 °C) ā, hei whakamutunga, he ātete ki te nuinga o ngā waikawa whakarewa kei roto i a ia, me te kore e pakaru. Ka piko, ka huri rānei.
Me whakamārama taipitopito ētahi o ōna painga:
HDPE: he rauemi ngāwari ki te whakarerekē
Nā te tukanga hanga e hanga ai te HDPE, ka ātete te HDPE ki ngā pāmahana tino tiketike.
I te wā e hangaia ana, ina tae ki te pae rewa, ka taea e te rauemi te tango i tētahi āhua motuhake, ka urutau ki ngā hiahia o ngā kaihanga: ahakoa te hanga pounamu mō ngā hua o te whare, te whakarato paipa rānei mō te wai e tu atu ana i ngā pāmahana tino tiketike.
Koia te take he ātete ngā paipa PE ki te waikura, ā, he pumau hoki ki ngā tauhohenga matū maha.
He tino ātete te HDPE, ā, he ātete wai hoki
Ko tētahi atu painga, ehara i te mea iti rawa, he tino ātete te HDPE!
• Ka ātete te HDPE ki te waikura: nō reira, kāore ngā paipa e kawe ana i ngā wai kaha e "waikura". Kāore he panoni i te matotoru o ngā paipa, i te kounga rānei o ngā hononga i roto i te wā.
• Ātete ki ngā oneone pukuriri: pērā anō, ki te mea he waikawa te oneone, ā, ka tanumia he paipa, kāore pea tōna āhua e whakarerekētia
• He tino ātete hoki te HDPE ki ngā ru o waho: ko te kaha e tukuna ana i te wā o te ru ka meinga te wāhanga kia rerekē te āhua, kaua ki tōna pirau. Waihoki, ka tino whakaitihia te mōrearea o te hama wai ki te HDPE
Kāore e taea te uru ngā paipa HDPE: ahakoa ki te wai, ki te hau rānei. Ko te paerewa NF EN 1610 tēnei e āhei ai te whakamātautau i te piri o te ngongo, hei tauira.
Hei whakamutunga, ina pango te tae, ka taea e te HDPE te tu atu ki ngā hihi UV
He māmā te HDPE engari he kaha
Mō ngā papa paipa ahumahi, he painga nui te māmā o te HDPE: he ngāwari te kawe, te neke, te penapena rānei i ngā paipa HDPE.
Hei tauira, ko te Polypropylene, kotahi mita te whānui o te paipa he iti iho i te 300 te taumaha:
• 5 kg i roto i te HDPE
• 66 kg i roto i te rino maka
• 150 kg raima
Ina hoki, mō te whakahaere whānui, he māmā ake te tāutanga o ngā paipa HDPE, ā, he mama ake ngā taputapu e hiahiatia ana.
He ātete anō hoki te paipa HDPE, nā te mea ka roa te ora, he roa hoki te ora (ina koa ko te HDPE 100).
Ka whakawhirinaki te roa o te ora o te paipa ki ngā āhuatanga maha: te rahi, te pēhanga o roto, te pāmahana rānei o te wai i roto. E kōrero ana tātou mō te 50 ki te 100 tau o te roa o te ora.
Ngā ngoikoretanga o te whakamahi i te polyethylene matotoru ki te papa hangahanga
Heoi anō, kei reira anō ngā ngoikoretanga o te whakamahi i ngā paipa HDPE.
Hei tauira, ka taea e tātou te whakahua:
• me tino tupato ngā āhuatanga tāutanga i te wā o te papa hangahanga: ka mate pea te tangata i te whakamahi i te mea uaua
• kāore e taea te whakamahi i te whakapiripiri, te whakawiri rānei hei hono i ngā paipa HDPE e rua
• kei reira te mōrearea o te porowhita o ngā paipa ina honoa ngā paipa e rua
• He nui ake te mimiti oro a te HDPE i ērā atu rauemi (pērā i te rino maka), he uaua ake te kite
• ā, nō reira ka aroturukihia ngā turuturu. Kātahi ka whakamahia ngā tukanga tino utu nui hei aroturuki i te whatunga (ngā tikanga hydrophone)
• he mea nui te whakawhanuitanga wera ki te HDPE: ka rerekē pea te āhua o te paipa i runga i te pāmahana
• he mea nui kia whakautehia ngā pāmahana mahi mōrahi e ai ki ngā āhuatanga o te HDPE
Wā tuku: Hepetema-11-2022