Te Kaha me te Pono o ngā Paipa Hanganga Wāhanga-Kowhao: He Tirohanga Hōhonu ki ngā Paipa Whakarewa Āwhata Rukuhia ki te Porowhita me te Paipa Raina API 5L
Whakamōhio mai:
I te ao o te hanga whare me te whakawhanaketanga o ngā hanganga, he mea tino nui te whiriwhiri i ngā rauemi tika.Ngā paipa hanganga wāhanga tuwhera He mea nui te mahi a ēnei paipa ki te whakarato i te kaha, te roa me te pono ki ngā kaupapa maha. I roto i tēnei tuhinga, ka tūhuratia e mātou ngā āhuatanga me ngā painga o ngā momo paipa hanganga nui e rua: te paipa whakarewa pewa porowhita me te paipa raina API 5L.
Paipa whakarewa pewa hurihuri i raro i te wai:
He whānuitia ngā whakamahinga o ngā paipa whakarewa pewa ruku (SAW), e mōhiotia ana ko te paipa SSAW. Ko te āhuatanga ahurei oPaipa SSAW ko ōna hononga porowhita, e whakarato ana i te kaha me te kaha ki te kawe kawenga ki te whakataurite ki ētahi atu momo paipa. Mā tēnei hoahoa ahurei ka tohatoha te ahotea puta noa i te paipa, he mea tino pai mō ngā kaupapa e hiahia ana kia pono te hanganga.
Ngā Āhuatanga Hangarau o te Paipa SSAW
| kounga maitai | te kaha hua iti rawa | te kaha kume iti rawa | Te Whakaroa Iti rawa |
| B | 245 | 415 | 23 |
| X42 | 290 | 415 | 23 |
| X46 | 320 | 435 | 22 |
| X52 | 360 | 460 | 21 |
| X56 | 390 | 490 | 19 |
| X60 | 415 | 520 | 18 |
| X65 | 450 | 535 | 18 |
| X70 | 485 | 570 | 17 |
Te hanganga matū o ngā paipa SSAW
| kounga maitai | C | Mn | P | S | V+Nb+Ti |
| % Mōrahi | % Mōrahi | % Mōrahi | % Mōrahi | % Mōrahi | |
| B | 0.26 | 1.2 | 0.03 | 0.03 | 0.15 |
| X42 | 0.26 | 1.3 | 0.03 | 0.03 | 0.15 |
| X46 | 0.26 | 1.4 | 0.03 | 0.03 | 0.15 |
| X52 | 0.26 | 1.4 | 0.03 | 0.03 | 0.15 |
| X56 | 0.26 | 1.4 | 0.03 | 0.03 | 0.15 |
| X60 | 0.26 | 1.4 | 0.03 | 0.03 | 0.15 |
| X65 | 0.26 | 1.45 | 0.03 | 0.03 | 0.15 |
| X70 | 0.26 | 1.65 | 0.03 | 0.03 | 0.15 |
Te ātete āhuahanga o ngā paipa SSAW
| Ngā tūponotanga āhuahanga | ||||||||||
| te whānui o waho | Te matotoru o te pakitara | te tika | porowhita kore | papatipu | Teitei mōrahi o ngā pīrere whakarewa | |||||
| D | T | |||||||||
| ≤1422mm | ＞1422mm | <15mm | ≥15mm | pito paipa 1.5m | roa katoa | tinana paipa | pito paipa | T≤13mm | T>13mm | |
| ±0.5% | e ai ki te whakaaetanga | ±10% | ±1.5mm | 3.2mm | 0.2% L | 0.020D | 0.015D | '+10% | 3.5mm | 4.8mm |
Whakamātautau Waipūmau
Me tu te paipa i te whakamātautau waipū, me te kore e turuturu mā te hononga whakarewa, mā te tinana paipa rānei.
Kāore e hiahiatia kia whakamātauria ngā hononga mā te whakamahi i te wai ā-pūmau, ki te mea kua whakamātauria angitu ngā wāhanga o te paipa i whakamahia hei tohu i ngā hononga mā te whakamahi i te wai ā-pūmau i mua i te mahi honohono.
Te Whai Aroturuki:
Mō ngā paipa PSL 1, me whakatū e te kaihanga, ā, me whai i ngā tikanga kua tuhia mō te tiaki:
Ko te tuakiri wera kia oti rā anō ia whakamātautau matū e pā ana, kia whakaaturia rā anō te tutuki i ngā whakaritenga kua tohua.
Ko te tuakiri o te wae whakamātautau kia oti rā anō ia whakamātautau ā-ringa e pā ana, kia whakaaturia rā anō te tutuki i ngā whakaritenga kua tohua.
Mō ngā paipa PSL 2, me whakatū e te kaihanga, ā, me whai i ngā tikanga kua tuhia hei pupuri i te tuakiri wera me te tuakiri waeine whakamātautau mō taua paipa. Me whakarato ēnei tikanga i ngā huarahi hei whai i te roa o te paipa ki te waeine whakamātautau tika me ngā hua whakamātautau matū e pā ana.
Ko tētahi o ngā painga matua o ngā paipa SSAW ko tōna ngāwari ki te hanga. Ka taea te hanga i ēnei paipa i roto i ngā momo rahi, diameter me ngā matotoru, ā, ka taea te whakarite kia tutuki ai ngā whakaritenga o tētahi kaupapa motuhake. Hei tāpiri, ko ngā paipa whakarewa porowhita i raro i te pewa ka hangaia ki te maitai kounga teitei, kia ātete ai ki te waikura, kia roa ai hoki te ora o te mahi.
Paipa Raina API 5L:
Paipa raina API 5LHe paipa hanganga wāhanga tuwhera e whakamahia whānuitia ana, e tutuki ana i ngā paerewa o te American Petroleum Institute (API). Kua hangaia ēnei paipa hei kawe i ngā wai, pērā i te hinu me te hau māori, i ngā tawhiti roa. E mōhiotia ana te paipa raina API 5L mō tōna kaha teitei, tōna roa me tōna ātete ki ngā āhuatanga taiao tino kino.
Ko te tukanga hanga o ngā paipa raina API 5L he mea tino tika kia whai mana whakahaere kounga hei whakarite i tōna pono. He mea hanga ēnei paipa ki te maitai waro, ā, he tino pai ngā āhuatanga miihini. Mā te piripono ki ngā paerewa API ka taea e ēnei paipa te tu atu ki ngā pēhanga teitei me ngā huringa pāmahana, ā, he pai mō ngā tono nui i roto i te umanga hinu me te hau.
Ngā painga whakakotahi:
Ina honoa te paipa whakarewa āwhata porowhita me te paipa raina API 5L, ka whakaratohia he hanganga pumau me te pono e kore e taea te whakataurite. Ko ngā hononga porowhita o te paipa SSAW me te kaha me te pakari o te paipa raina API 5L ka hanga he pūnaha tautoko hanganga kaha.
Haunga ō rāua painga, ko te hototahitanga o te paipa whakarewa āwhata porowhita me te paipa raina API 5L ka whakapiki ake i te whai huatanga o ngā kaupapa paipa. Mā te maha o ngā whakamahinga o te paipa SSAW ka taea te hono ngāwari ki te paipa raina API 5L, kia pai ai te rere o ngā wai i roto i te whatunga paipa.
Hei whakamutunga:
He mea nui rawa ngā paipa hanganga wāhanga tuwhera i te wā e hanga ana i ngā hanganga pakari. Mā te whakamahi ngātahi i te paipa SSAW me te paipa raina API 5L ka puta he otinga kaha e whakarato ana i te kaha, te roa me te pono mō ngā kaupapa maha. Ahakoa te tautoko i ngā turanga o ngā whare teitei, te kawe rānei i ngā wai nui i ngā tawhiti roa, he mea nui ēnei paipa ki te whakarite i te roa me te pumau o ā tātou hanganga. Mā te whakamahi i te kaha o te paipa whakarewa pewa porowhita me te pono o te paipa raina API 5L, ka taea e ngā kaihangarau te hanga i tētahi turanga pakari mō tētahi āpōpō pai ake.
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