I roto i te mara ongā paipa maitai, he mea nui ngā paerewa mō ngā paipa maitai hononga tika kua whakapikohia ki te pewa. Ko tētahi o ngā paerewa ko te GB/T3091-2008, e kapi ana i ngā momo paipa maitai hononga tika rerekē, pērā i te ātete auau-teitei.ngā paipa maitai whakarewa (ERW), pewa i raro i te waingā paipa maitai whakarewa (SAWL)me ngā paipa rino whakarewa pewa rukuhia ki raro i te wai (SAWH) he hononga porowhita. )Paipa Rino.
Mō te kawe wai pēhanga iti, e whakaritea ana hoki e GB/T3091-2008 te whakamahinga ongā paipa maitai kua whakarewaina. Ko ēnei paipa maitai hiko kua whakarewaina, e mōhiotia whānuitia ana ko ngā paipa mā, e whakamahia ana hei kawe i te wai, te hau, te hau, te hinu, te mamaoa whakamahana, te wai mahana, me ētahi atu. Ko ngā whakatakotoranga o ēnei paipa maitai e whakaatuhia ana i roto i te diameter ingoa, ā, ko te diameter o waho me te matotoru o te pakitara e tutuki ana i ngā ture o GB/T21835. Heoi anō, ko te roa o te paipa maitai ka taea te awhe mai i te 300mm ki te 1200mm, ā, ka taea te roa pumau, te roa takirua rānei.
Mō ngā take kounga, he nui te pānga o te pāmahana i te wā e werohia ana. Ko te tikanga ka eke ngā paipa rino whakawhanui wera ki te pāmahana tata ki te 1200°C, ahakoa ka taea e te nui o te waro me ngā huānga whakarewa te whakaiti i te pāmahana. Ko tētahi atu āhuatanga matua hei whakaaro ko te whakaiti i te nui o te unahi i te wā e piko wera ana, nā te mea ka pā tēnei ki te roa o te ora o te taputapu me te kounga o te mata.
He mahi nui te whakamahana i roto i te hanga o ngā meaPaipa maitai tuitui tika 16MnI te mea ko te nuinga o ngā tukatuka ka mahia i roto i te āhua wera, he mea nui te whakahaere tika i te pāmahana whakamahana kia mau ai te kounga o te hua whakamutunga.
Hei pupuri i te kounga me ngā paerewa, he mea nui te whakahaere i te pāmahana i te wā e tukatukahia ana te wero. Ko te paerewa paipa maitai tuitui tika GB/T3091-2008 e tohu ana i ngā rerekētanga e whakaaetia ana i roto i te rahi, te āhua, te taumaha me te diameter o waho me te matotoru o te pakitara. Ka rerekē te rerekētanga e whakaaetia ana o te matotoru pakitara paerewa i runga i te tohu rerekētanga, mai i te S1 ki te S5, ā, ka tohua e ia tohu te ōrau e rite ana me te rerekētanga iti rawa.
Haunga ngā ātete matotoru pakitara kua whakaritea, ka whakaarohia hoki ngā ātete matotoru pakitara kāore i te whakaritea. Kei roto i ngā taumata rerekētanga (hei tauira, NS1 ki NS4) ngā ōrau rerekētanga motuhake hei whakarite i te mana whakahaere kounga. Me mōhio ko S te tohu o te matotoru pakitara ingoa o te paipa maitai, ā, ko D te tohu o te diameter waho ingoa o te paipa maitai.
He mea nui te whakarite kia tutukihia ēnei paerewa mō te hanga paipa pou maitai kua whakarewaina ki te pewa roa me te waikura kounga teitei. Mā te pupuri i te whakahaere tika o te pāmahana me te aro ki ngā rerekētanga e whakaaetia ana, ka taea e ngā kaihanga te whakatutuki i ngā tumanakohanga a te kiritaki me te whakarato hua pono me te roa.
Wā tuku: Whiringa-ā-rangi 10-2023