Te Whakapūmau i te Whai Hua me te Pakari o ngā Paipa Wai Matua mā te whakamahi i ngā Paipa Whakakotahi Porowhita
Whakamōhio mai:
Ko ngā paipa wai matua ngā toa rongonui e whakarato ana i ngā puna wai nui ki ō tātou hapori. He mea nui te mahi a ēnei whatunga o raro whenua ki te whakarite kia rere tonu te wai ki ō tātou kāinga, pakihi me ngā ahumahi. I te mea kei te piki haere tonu te tono, he mea nui kia whakamahia ngā rauemi whai hua me te pakari mō ēnei paipa. Ko tētahi rauemi e aro nuihia ana ko ngā paipa porowhita kua whakapirihia. I roto i tēnei tuhinga, ka rukuhia e tātou te hiranga o ngā paipa porowhita kua whakapirihia ki roto i ngā paipa puna wai matua, ā, ka matapakihia hoki ō rātou painga.
Akohia ngā paipa whakarewa porowhita:
I mua i tā tātou ruku hohonu ki ngā painga ongā paipa porowhita kua whakapirihia, me mārama tuatahi tātou ki te ariā o ngā paipa whakarewa porowhita. He rerekē ki ngā paipa whakarewa tika tuku iho, ka hangaia ngā paipa whakarewa porowhita mā te hurihuri me te whakarewa i ngā koiri maitai kia rite ki te āhua porowhita. Mā tēnei tukanga hanga ahurei ka kaha ake te paipa, ā, he mea tino pai mō ngā mahi kei raro i te whenua pērā i ngā paipa wai.
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 | - | - | |||||
Ngā painga o ngā paipa porowhita i whakarewahia i roto i ngā paipa wai matua:
1. Te kaha me te roa o te mau:
Mā te hangarau whakarewa porowhita e whakamahia ana i roto i ēnei paipa ka hangaia he hanganga pumau, he hanganga kore hononga, he kaha ake, he ātete hoki ki ngā pēhanga nui o roto, o waho hoki. Hei tāpiri, mā ngā hononga porowhita piripono ka whakarei ake i te pumau o te paipa, ka whakaiti i te tūponotanga o ngā turuturu, ngā pakaru rānei. Mā tēnei pakari ka roa te ora o ō puna wai, ka whakaitihia ngā utu tiaki me te whakakapinga.
2. Ātete ki te waikura:
Ka pāngia ngā paipa wai matua e ngā āhuatanga taiao maha, tae atu ki te makuku, ngā matū me te oneone. Ko ngā paipa whakarewa porowhita ka hangaia mā te whakamahi i ngā rauemi ātete-waikura pērā i te maitai kore waikura, kia pai ai te tiaki i a rātou mai i te waikura, te horo, me ētahi atu momo waikura. Mā tēnei ātete ka roa ake te ora o ngā paipa, ka ārai i te pirau, ā, ka mau tonu te kounga o te wai.
3. Te whai hua o te utu:
Te haumi ki ngā paipa whakarewa porowhita mōpaipa wai matuasHe kōwhiringa whai hua pea tēnei mō te wā roa. Nā tōna hanganga pakari me tōna ātete ki te waikura ka whakaitihia te auau o ngā whakatikatika me ngā whakakapinga, ā, ka penapenahia he utu tiaki nui. Hei tāpiri, he ngāwari te tāuta, he mama, ā, ka whakaitihia te hiahia mō ngā tautoko tāpiri, ka waiho hei kōwhiringa watea me te whai hua mō ngā kaupapa paipa nui.
4. Ngāwari me te maha o ngā mahi:
He tino ngāwari, he whānui hoki ngā whakamahinga o ngā paipa whakarewa porowhita. Ka taea te hanga i ēnei i roto i ngā diameter, roa me ngā matotoru rerekē, ā, ka taea te whakarite kia tutuki ai ngā whakaritenga motuhake o te kaupapa. Mā tēnei āheinga urutau ka taea te urutau ki ngā whenua rerekē me ngā āhuatanga whenua rerekē, ā, he mea pai rawa atu mō ngā paipa matua e tuku wai ana i ngā tāone nui me ngā tāone iti.
5. Te oranga tonutanga o te taiao:
Haunga ōna painga mahi, he pai hoki ngā paipa whakarewa porowhita ki te oranga tonutanga o te taiao. Ka taea te hangarua i ngā rauemi e whakamahia ana i roto i tōna hanganga, ka whakaiti i te tapuwae waro whānui. Hei tāpiri, mā tōna hoahoa maeneene ka whakaitihia te ngaronga wai nā ngā turuturu, ā, ka tiakina tēnei rauemi utu nui.
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. | ||||||||
Hei whakamutunga:
He mea nui te whakarite i te pai me te pakari o ō paipa wai matua kia pai ai te tuku wai. Ko te whakamahinga o ngā paipa porowhita kua whakarewahia i roto i ēneipaipa ngā rārangiHe maha ngā painga e tukuna ana, tae atu ki te kaha ake, te ātete ki te waikura, te whai huatanga o te utu, te ngāwari me te pumau o te taiao. I a mātou e mahi ana ki te hanga hanganga wai pakari me te whai hua, he mea nui te haumi ki ngā hangarau matatau pēnei i te paipa porowhita kua whakarewaina.







