Whai muri i ngā tau maha o te whanaketanga, kua tino pakari te hangarau hanga o ngā taura whatu. Haunga ngā āhuatanga rongonui o te kaha nui o te mōhiohio me te pai o te mahi tuku, me whai hoki ngā taura whatu i ngā painga o te iti me te mama. He hononga tata ēnei āhuatanga o te taura whatu ki te mahi a te muka whatu, te hoahoa hanganga o te taura whatu me te tukanga hanga, ā, he hononga tata hoki ki ngā rauemi me ngā āhuatanga rerekē e hanga ana i te taura whatu.
Haunga ngā muka whatu, e toru ngā wāhanga o ngā rauemi mata matua o ngā taura whatu:
1. Rauemi pūmua: rauemi ngongo piri, rauemi ngongo wetekina PBT, rauemi hipoki PE, rauemi hipoki PVC, hinu whakakī, rīpene ārai wai, rīpene polyester
2. Rauemi hiato: rīpene hiato konumohe-kirihou, rīpene hiato maitai-kirihou
3. Rauemi whakarewa: waea maitai
I tēnei rā ka kōrero tātou mō ngā āhuatanga o ngā rauemi mata matua o te taura whatu me ngā raruraru e pā mai ana, me te tumanako ka āwhina i ngā kaihanga taura whatu.
1. Rauemi ngongo piri
Ko te nuinga o ngā rauemi ngongo piripono o mua he nairona. Ko te painga he kaha, he ātete hoki ki te kakahu. Ko te ngoikoretanga he ngoikore te mahi tukatuka, he whaiti te pāmahana tukatuka, he uaua ki te whakahaere, ā, he nui te utu. I tēnei wā, he maha atu ngā rauemi hou kounga teitei me te iti te utu, pērā i te PVC kua whakarerekētia, ngā elastomers, me ētahi atu. Mai i te tirohanga whanaketanga, ko te rauemi ātete mura me te kore-halogen te ia o ngā rauemi ngongo piripono. Me aro atu ngā kaihanga taura whatu ki tēnei.
2. Rauemi ngongo wetewete PBT
He whānuitia te whakamahinga o te PBT i roto i te rauemi ngongo wetewete o te muka whatu nā te mea he pai rawa ōna āhuatanga miihini me te ātete matū. He maha ōna āhuatanga e pā tata ana ki te taumaha ngota. Ina nui te taumaha ngota, he teitei te kaha kume, te kaha piko, me te kaha pānga. I roto i te hanga me te whakamahinga tuturu, me aro ki te whakahaere i te kume utu i te wā e hono ana i te taura.
3. Hinu whakakī
He tino tairongo te muka whatu ki te OH–. Ka whakawhanuitia e te wai me te makuku ngā kapiti moroiti i runga i te mata o te muka whatu, ka hua ake he hekenga nui o te kaha o te muka whatu. Ko te hauwai i hangaia e te tauhohenga matū i waenga i te makuku me te rauemi whakarewa ka meinga te ngaronga hauwai o te muka whatu, ā, ka pā ki te kounga o te taura muka whatu. Nō reira, ko te whanaketanga hauwai he tohu nui o te hinu.
4. Rīpene ārai wai
Ka whakamahia e te rīpene ārai wai he piripiri hei piri i te kapia mimiti wai i waenganui i ngā paparanga e rua o ngā papanga kore-whatu. Ina uru te wai ki roto i te taura whatu, ka tere te mimiti wai o te kapia mimiti wai, ka whānui, ka whakakī i ngā āputa o te taura whatu, ā, ka ārai i te wai kia rere roa, kia rere porowhita hoki i roto i te taura. Haunga te ātete pai ki te wai me te pumau matū, ko te teitei pupuhi me te tere mimiti wai i ia wā ko ngā tohu tino nui o te rīpene ārai wai.
5. Rīpene hiato kirihou maitai me te rīpene hiato kirihou konumohe
Ko te rīpene hiato kirihou maitai me te rīpene hiato kirihou konumohe i roto i te taura whatu he mea takai roa ki te korukoru, ā, ka hanga he uhi whānui me te uhi o waho PE. Ko te kaha o te kiri o te rīpene maitai/pepa konumohe me te kiriata kirihou, te kaha hiri wera i waenga i ngā rīpene hiato, me te kaha here i waenga i te rīpene hiato me te uhi o waho PE he pānga nui ki te mahi whānui o te taura whatu. He mea nui anō hoki te hototahi hinu, ā, me papatahi te āhua o te rīpene hiato whakarewa, me ma, me kore he kohao, me kore he kino miihini. Hei tāpiri, nā te mea me takai roa te rīpene hiato kirihou whakarewa mā roto i te mate rahi i te wā e hangaia ana, he mea nui ake te ōritetanga o te matotoru me te kaha miihini ki te kaihanga taura whatu.
Wā tuku: Oketopa-19-2022