Te Whakapai Ake i ngā Hanganga Parakaingaki mā te Whakamahi i ngā Paipa Āwhata Porowhita Rukuhia (SSAW)
Whakamōhio mai:
He mea nui te pūnaha parakaingaki whai hua mō te tipu me te whanaketanga o tētahi tāone nui. I roto i te hanganga me te tiaki iwaikerirārangis, he mea nui te whiriwhiri i ngā paipa me ngā tikanga tāutanga e tika ana. Kua noho ngā paipa pewa ruku porowhita (SSAW) hei otinga tino pono, ā, he otinga utu-pai hoki mō ngā hanganga waikeri. Ko te kaupapa o tēnei tuhinga he whakamārama i ngā painga me ngā whakamahinga o ngā paipa whakarewa pewa ruku porowhita hei whakapai ake i ngā pūnaha waikeri.
Āhuatanga Mīhini
| kounga maitai | te kaha hua iti rawa | Te kaha o te kume | Te roanga iti rawa | Pūngao pānga iti rawa | ||||
| Te matotoru kua tohua | Te matotoru kua tohua | Te matotoru kua tohua | i te pāmahana whakamātautau o | |||||
| <16 | ＞16≤40 | <3 | ≥3≤40 | ≤40 | -20℃ | 0℃ | 20℃ | |
| S235JRH | 235 | 225 | 360-510 | 360-510 | 24 | - | - | 27 |
| S275J0H | 275 | 265 | 430-580 | 410-560 | 20 | - | 27 | - |
| S275J2H | 27 | - | - | |||||
| S355J0H | 365 | 345 | 510-680 | 470-630 | 20 | - | 27 | - |
| S355J2H | 27 | - | - | |||||
| S355K2H | 40 | - | - | |||||
He tirohanga whānui mō te paipa whakarewa pewa porowhita i raro i te wai:
Paipa pewa hurihuri e rukuhia ana, e mōhiotia whānuitia ana ko te paipa whakarewa pewa ruku porowhita, ka hangaia mā te hurihuri i te maitai wera kua hurihia kia rite ki te porowhita, ka whakarewahia i te taha o te hononga whakarewa mā te whakamahi i te tikanga whakarewa pewa ruku. He tino pakari, he kaha, he ātete hoki ēnei paipa ki te waikura, ā, he mea tino pai mō ngā kaupapa hanganga nui pēnei i te waikeri.
Ngā painga o ngā paipa SSAW i roto i ngā mahi waikeri:
1. Te Pakari: He mea hanga ngā paipa whakarewa porowhita i raro i te wai ki te maitai kounga teitei, ā, he tino pakari. He kaha ki te tu atu i ngā kawenga taumaha me ngā āhuatanga kino o raro whenua, kia roa ai te ora o ngā paipa waikeri.
2. Ātete ki te waikura: Ka tāpirihia e te tukanga whakapūmau wera he paparanga tiaki anō ki te paipa whakarewa pewa porowhita i raro i te wai, kia tino ātete ai ki te waikura. He mea nui tēnei āhuatanga mō ngā pūnaha waikeri nā te mea he maha ngā wā ka tūtaki rātou ki ngā taiao matū me ngā taiao koiora kaha.
3. Hoahoa ātete-tauraki: Ka hangaia te paipa whakarewa porowhita-uru mā te whakamahi i tētahi tukanga whakarewa tonu hei whakarite i tētahi hanganga ātete-tauraki. Ka ārai tēnei āhuatanga i te tūponotanga o te urunga, te turuturu rānei, ā, ka whakaitihia te tūponotanga o te poke o te whenua me te hiahia mō ngā whakatikatika utu nui.
4. Ngāwari me te urutau: Ka taea te hanga i ngā paipa whakarewa porowhita-uru-pōro kia urutau ki ngā momo diameter, roa me ngā pari, kia nui ake ai te ngāwari o te hoahoa pūnaha waikeri. Ka taea e rātou te urutau ki ngā huringa o te whenua me te ahunga, kia pai ai te rere o te waikeri ahakoa i roto i ngā whatunga waikeri uaua.
5. Whai Hua o te Utu: Ki te whakatauritea ki ngā rauemi paipa waikeri tuku iho pērā i te raima, te uku rānei, ka taea e ngā paipa whakarewa pewa porowhita te whakaiti i te utu tāutanga me te tiaki. Nā te mama o te āhua, ka whakaitihia ngā utu tuku, ā, he ngāwari hoki te tāuta, ka whakaitihia ngā whakaritenga mahi. Hei tāpiri, ko tōna roa o te mahi me te iti o ngā whakaritenga tiaki ka whai wāhi ki te whai hua o te utu mō te wā roa.
Te Hanganga Matū
| Te taumata maitai | Momo tango-waikura a | % mā te papatipu, mōrahi | ||||||
| Ingoa maitai | Tau maitai | C | C | Si | Mn | P | S | Nb |
| S235JRH | 1.0039 | FF | 0,17 | — | 1.40 | 0,040 | 0,040 | 0.009 |
| S275J0H | 1.0149 | FF | 0,20 | — | 1.50 | 0,035 | 0,035 | 0,009 |
| S275J2H | 1.0138 | FF | 0,20 | — | 1.50 | 0,030 | 0,030 | — |
| S355J0H | 1.0547 | FF | 0,22 | 0,55 | 1,60 | 0,035 | 0,035 | 0,009 |
| S355J2H | 1.0576 | FF | 0,22 | 0,55 | 1,60 | 0,030 | 0,030 | — |
| S355K2H | 1.0512 | FF | 0,22 | 0,55 | 1,60 | 0,030 | 0,030 | — |
| a. Ko te tikanga tango-waikura e whai ake nei: FF: He maitai kua whakamatea katoatia kei roto ngā huānga here hauota i roto i ngā rahinga e ranea ana hei here i te hauota e wātea ana (hei tauira, iti rawa 0,020% Al katoa, 0,015% Al wairewa rānei). b. Kāore e pā te uara mōrahi mō te hauota mēnā he iti rawa te ihirangi Al katoa o te hanganga matū o te 0,020 % me te ōwehenga Al/N iti rawa o te 2:1, mēnā rānei he nui ngā huānga here-N kē atu kei roto. Me tuhi ngā huānga here-N ki roto i te Tuhinga Tirotiro. | ||||||||
Ngā whakamahinga o ngā paipa SSAW i roto i ngā pūnaha waikeri:
1. Ngā Whatunga Parakaingaki ā-Rohe: He mea noa te whakamahi i ngā paipa SSAW i roto i te hanganga o ngā paipa parakaingaki matua e mahi ana ki ngā wāhi noho, arumoni me ngā wāhi ahumahi. Nā te kaha me te ātete ki te waikura, he mea pai rawa atu ēnei mō te kawe i ngā parakaingaki i ngā tawhiti roa.
2. Te rerenga wai ua:Ngā paipa SSAWka taea te whakahaere pai i te rerenga wai ua me te aukati i ngā waipuke i ngā tāone nui. Nā tōna pakari ka taea te whakawhiti pai i te nui o te wai i ngā pēhanga wai teitei.
3. Te whare rongoā para: Ka taea te whakamahi i ngā paipa whakarewa porowhita i raro i te pewa i roto i te hanganga o ngā wāhanga rerekē o te whare rongoā para, tae atu ki ngā paipa para mata, ngā tāke whakapūngao me ngā pūnaha rongoā para. Nā tō rātou ātete ki ngā matū waikura me te kaha ki te whakahaere i ngā pēhanga rerekē, he mea nui ēnei i roto i ngā taiao uaua.
Hei whakamutunga:
He mea nui te whiriwhiri i te rauemi paipa tika mō te hanganga me te tiaki angitu o tō pūnaha waikeri. Kua whakamātauhia te paipa pewa hurihuri (SSAW) hei otinga hanganga waikeri whai hua, pakari, me te maha o ngā whakamahinga. Nā te ātete pai ki te waikura, te hoahoa ātete turuturu, me te urutau ki ngā whenua rerekē, ka taea e ngā paipa SSAW te kawe pai i te waipara, ā, ka whai wāhi ki te whanaketanga pumau o ngā tāone. Mā te whakamahinga o ngā paipa whakarewa pewa hurihuri i roto i ngā kaupapa waikeri ka taea te whakarite i te huarahi mō ngā whatunga waikeri whakarei ake hei whakatutuki i ngā hiahia e tipu haere ana o te whanaketanga tāone.
