Aratohu Tāutanga Pūwhakamātao mō ngā Pūnaha Waiariki
He wāhanga matua te pūwhakapūngao i roto i ngā pūnaha whakaputa hiko waiariki, inā koa i roto i ngā tipu mamaoa tere me ngā tipu huringa rua. Ko tana mahi he huri i te mamaoa kua pau o te tāpine hei wai (whakapūngao) kia pai ai te rere o te huringa wera, kia iti tonu te pēhanga whakamuri o te tāpine, kia taea ai te whakahoki mai i te wai mahi hei whakamahi anō, hei werohanga anō rānei. Ko te tāutanga tika o te pūwhakapūngao ka whakatau i te mahi, te pono, me te roa o te ora o te pūnaha. Ka matapakihia e tēnei tuhinga tētahi aratohu tāutanga pūwhakapūngao whai hua mō ngā pūnaha waiariki, mai i te wāhanga whakarite ki te whakamātautau me te tiaki tuatahi.
1. Te Mārama ki ngā Momo Whakapūmau i roto i ngā Pūnaha Pūnaha Ā-Wharewha
I mua i te tāutanga, whakatauhia te momo whakapūmau e whakamahia ana, nā te mea ka pā ki te tahora, ngā mahi, me te tikanga tāutanga:
1. Whakapūmau mata (whakapūmau mata)
Kāore e uru te mamaoa me te wai whakamatao; ka puta te whakawhiti wera mā roto i ngā ngongo. He mea noa tēnei i roto i ngā tipu waiariki nui nā te mea he pai ake te whakahaere i te kounga o te wai whakapūhau.
2. Pūwhakamātao whakapā tika (pūwhakamātao whakapā tika)
Ka whakaranua tika te mamaoa ki te wai whakamatao. He māmā ake tēnei, he iti ake hoki te utu, engari me aro nui ki te kounga o te wai whakapūhau me te whakahaere hau kore-pūhauhau (NCG).
3. Pūwhakamātao hau (ACC)
Mā te whakamahi i te hau hei whakamatao, he pai mō ngā wāhi he iti te wai e wātea ana. Heoi, he nui te wāhi e hiahiatia ana, ā, he tairongo ki te pāmahana o te taiao.
Hei tāpiritanga, he maha ngā wā kei roto i ngā pūnaha waiariki ngā hau kore-whakapūpū pērā i te CO₂ me te H₂S, tae atu ki te kaha o te waikura me te tauine. Ka pāngia ēnei āhuatanga e te kōwhiringa o ngā rauemi me ngā pūnaha tautoko pērā i ngā pūnaha korehau me te tango hau.
2. Te Whakarite Hoahoa me ngā Whakaritenga Tauwāhi
Ko te wāhanga whakarite te mea e whakatau ana i te maeneene o te tāutanga. Ngā mea nui hei whakarite:
– Te kaha wera me ngā āhuatanga whakahaere: te tere rere o te mamaoa, te pēhanga o te pūwhakamātao, te pāmahana wai whakamatao, me te whāinga pēhanga whakamuri o te tāpine.
– Te wātea o ngā ratonga: te wai whakamatao (pou whakamatao/kotahi te putanga), te hiko mō ngā papu me ngā pūnaha korehau, ngā taputapu wai, me ngā waikeri.
– Tahora: urunga ki te kerēni, te paipa mamaoa mai i te tāpine, te whare papu waikura, te wāhi tiaki paihere ngongo, me te wāhi mō te pūnaha papu ejector/vacuum.
– Te turanga me te hanganga: tirohia te kaha o te oneone ki te pupuri i te oneone, te teitei, te mahere pūmau punga, me ngā whakaritenga ārai-wiri.
– Haumaru me te taiao: Te whakahaere i te H₂S/NCG, te hauhautanga, te whakahaere i te waikeri, me te whakatutuki i ngā ture ā-rohe.
I tēnei wā, me whakaoti ngā tuhi pēnei i te GA (whakaritenga whānui), te P&ID, te ine ine paipa, me ngā whakatakotoranga taputapu hei karo i ngā huringa i te mara.
3. Te Tirotiro Rauemi me te Whakahaere Kounga (QA/QC)
I mua i te tāutanga ā-tinana, me whakahaere he tirotiro hou:
– Manatoko tuhinga: tiwhikete rauemi (MTC), pepa raraunga, pukapuka ā-kaihoko, tikanga whakarewa/WPS me te tohu paetae whakarewa.
– Tirohia te āhua o te tinana: ngā kino nā te kawe, ngā pakaru o te anga, te rerekētanga o te flange, te ma o roto, me te kounga o te paninga.
– Ngā rauemi ātete-waikura: kia tika te kounga, hei tauira, ētahi kowiri tira mō ngā taiao waikura, he paipa titanium rānei mō te wai moana i ētahi whakamahinga.
– Ngā wāhanga matua: te paihere ngongo, te pepa ngongo, te ārai, te hononga whānui, te gasket, te pūwero, me te poka tāke/pōka ringaringa.
Mō ngā pūnaha waiariki, me aro nui ki te tūponotanga o te waikura H₂S, te poka, me ngā putunga silica. Me whakarite kia whakaratohia e te kaihoko ngā taunakitanga maimoatanga matū me ngā herenga whakahaere.
4. Te Whakarite Tūāpapa me te Whakatakoto i te Pūwero Whakapūmau
4.1 Mahi Tūāpapa
– Me whakarite kua maroke te turanga kia rite ki ngā paerewa, kia papatahi te mata, ā, kua tāutahia ngā pūtu punga kia rite ki te tauira.
– Tirohia te teitei me te taumata mā te whakamahi i ngā taputapu ine (teihana katoa/taumata rēseri).
– Whakaritea he rauemi whakakī (whakakī kore-mimiti) hei whakakī i ngā āputa pereti turanga.
4.2 Te Hiki me te Whakarewa
– Whakamahia he mahere hiki kua whakaaetia e te HSE: te kaha o te kerēni, ngā taura here, ngā mekameka, ngā pae hora me ngā pūwāhi hiki.
– Tirohia ngā taura i mua i te hiki.
– Kia mau ki te tūranga pokapū o te taumaha, ā, kaua e takahuri te anga.
4.3 Te Whakahāngai me te Whakatakoto i te Wai
– Whakatakotoria te pūwhakamātao ki runga i te tūnga, kia rite te paipa mamaoa mai i te tāpine me te paipa whakamātao.
– Kia tino mohio kei nui rawa te kawenga o te paipa ki te pūwero (te kawenga o te pūwero).
– Kia oti te whakanoho, me whakatō me te whakamaroke kia rite ki te tikanga.
5. Te Tāutanga Paipa me ngā Taputapu Tautoko
Ehara ngā tāutanga whakamātao i te pūnaha tūkotahi. Ko te angitu o te mahi e whakawhirinaki ana ki te whakaurunga ki ētahi atu pūnaha.
5.1 Raina Kohu Putanga
– Kia tino whakaitihia te hekenga o te pēhanga e te whānui me te ara o te paipa.
– Tāutahia ngā hononga whakawhanui mēnā e tika ana hei whakahaere i te whakawhanuitanga wera.
– Whakaratohia ngā tautoko me ngā whakairi tika kia kore ai te kawenga e whakawhitia ki te tāpine, ki te pūwhakapūngao rānei.
5.2 Pūnaha Wai Whakamatao
– Mō ngā pūwhakamātao mata, tāutahia ngā paipa tomo me te putanga o te pouaka wai me ngā takirere wehe, ngā tātari, me ngā taputapu rere/mahana.
– Me whakarite kia rite te ahunga o te rere ki te mea i hoahoatia (kia rere whakamuri mēnā e hiahiatia ana).
– Horoia te paipa i mua i te hononga whakamutunga kia kore ai e uru ngā paru ki roto i te paipa.
5.3 Ngā Pūnaha Whakapūngao me ngā Pūnaha Hotwell
– Tāutahia te mana whakahaere taumata o te puna wera, te papu waikeri, te takirere tirotiro, me te paipa waikeri/puke.
– Me whakarite kia wātea ngā wāhi tauira hei aroturuki i te kounga o te wai whakapūkara.
– Mena ka whakahokia mai te wai whakapūkara, ka werohia rānei, me whakarite kia hototahi ngā matū me te pāmahana.
5.4 Ngā Pūnaha Hau Korehau me te Hau Kore-Whakapūmau
I roto i ngā tipu hiko waiariki, he mea tino nui te pūnaha whakaputa hau NCG:
– Tāutahia te papu mimiti mamaoa, te papu korehau mowhiti wai rānei, kia rite ki te hoahoa.
– Me ārai hau ngā paipa NCG, me iti ngā turuturu, ā, me whai taputapu pēhanga/korehau.
– Whakaritea he ara ki te wāhanga whakaiti H₂S mēnā e tika ana.
6. Tāutanga Taputapu me te Whakahaere
Ko ngā taputapu e whakamahia whānuitia ana ko:
– Te tuku pēhanga/te ine korehau i roto i te anga whakapūmau.
– Te pāmahana i te putanga/whakaurunga o te wai whakamatao.
– Te tuku whakawhiti taumata i roto i te puna wera.
– Mita rere mō te wai whakamatao me te wai whakapūkara (mēnā e tika ana).
– Te aroturuki i te wiri/te āhua o ngā papu e pā ana.
Me whakarite kia tutuki te tāutanga o ngā taputapu i ngā paerewa waea, whenua, me te whakatauranga IP. Ka mahia te whakatikatika i mua i te whakaurunga.
7. Whakamātautau: Whakamātautau Wai, Whakamātautau Korehau, me te Tirotiro Tūtaki
Kia oti te tāutanga mīhini, whakahaerehia he whakamātautau taahiraa-i-te-taahiraa:
1. Whakamātautau wai o te taha wai whakamatao
Whakamātauria te ngongo me te pouaka wai mō ngā turuturu. Whakamātauria te pēhanga kia rite ki te waehere (hei tauira, ASME) me ngā whakaritenga a te kaihoko. Tuhia te hekenga pēhanga i te wā e puritia ana.
2. Whakamātautau turuturu i te taha mamaoa/korehau
Me whakarite kia piri tonu ngā hononga anga me te flange i mua i te whakamahinga. Ka taea e ngā turuturu iti te whakararuraru i te korehau me te whakanui ake i te pēhanga whakamuri o te tāpine.
3. Whakamātautau korehau / whakamātautau turuturu wai
Inehia te tere o te hau e tomo ana, ka taea te whakaiti i te pai o te mahi. Whakatikahia ngā turuturu i roto i ngā gaskets, ngā kakau takirere, ngā hononga taputapu rānei.
4. Te horoi me te horoi
Horoia kia tangohia ngā toenga whakarewa, te onepu, me te unahi. Mō ngā ngongo, whakamahia te tikanga kua tūtohutia (te horoi matū, te horoi ā-ringa rānei).
8. Te Whakatūnga me te Tīmatanga Tuatahi
Ko te whāinga o te wāhanga whakatūnga he whakarite kia mahi te pūwhakamātao kia rite ki te hoahoa:
– Whakahaerehia te papu wai whakamatao, kia pumau ai te rere me te pāmahana.
– Whakahohehia te pūnaha korehau kia tae rā anō ki te pēhanga o te pūwhakapūmau e hiahiatia ana.
– Whakatuwheratia mārire te rere o te mamaoa, aroturukitia te pāmahana, te pēhanga me te taumata o te puna wera.
– Me whakarite kei te mahi te pūnaha whakahaere taumata me te pūnaha wai whakapūhau me te kore e puta he poka.
– Aroturuki i ngā tohu mahi: te rerekētanga pāmahana o te pito whakamutunga (TTD), te pumau o te korehau, me te whakapaunga mana o te papu.
I te wā e tīmata ana, kia mataara ki ngā tohu pēnei i te wiri nui, ngā taumata o te puna wera kāore i te pumau, te pikinga ake rānei o te NCG e tohu ana i ngā raruraru turuturu, i te kore rānei e taea te tango hau.
9. Ngā Tikanga Pai mō te Tiaki Tuatahi
Hei whakarite kia pakari, kia whai hua hoki te pūwhakamātao, me mahi i ngā mahi e whai ake nei i muri i te tāutanga:
– Te aroturuki i te paru: tirohia mēnā he ngoikore te mahi whakawhiti wera; whakaritea he wā horoi i ngā ngongo mēnā ka piki ake te TTD.
– Te whakahaere matū o te wai whakamatao: whakaitihia te tauine, te waikura, me te poke koiora, inā koa ka whakamahia ngā pourewa whakamatao.
– Tirotiro turuturu korehau: mahihia ngā tirotiro ā-wā o ngā gaskets me te tākai takirere.
– Tirotiro pūnaha NCG: kia tino mohio kei te mahi te papu ejector/vacuum i te kaha kua whakaritea.
– Te tuhi raraunga whakahaere: he mea nui ngā au o te pēhanga o te pūwhakamātao, te pāmahana wai whakamatao, te tere rere, me te taumata puna wera mō te kitenga wawe.
Te Katinga
Ko te tāutanga o te pūwhakamātao mō ngā pūnaha waiariki me nui ake te tika i ngā whakamahinga mamaoa tuku iho nā te mea kei reira ngā hau kāore e taea te whakamātao, te waikura pea, me te hiahia mō te korehau pumau. Ka tīmata te tukanga pai me te whiriwhiri i te momo pūwhakamātao, te whakarite turanga me te tahora, te tāutanga o ngā paipa me ngā taputapu tautoko, me te whakamātautau wai me te korehau i mua i te tīmatanga. Mā te whai i tēnei aratohu, ka taea e koe te whakaiti i te mōrearea o ngā turuturu, te pupuri i te mahi a te tāpine, me te whakarite i te mahi pai me te pono o te tipu waiariki.
Ki te hiahia koe, ka taea e au te whakarerekē i tēnei tuhinga mō tētahi momo whakaputa hiko motuhake (flash/rua/ACC), te tāpiri i tētahi rārangi arowhai tāutanga, te whakahiato rānei i tētahi putanga hangarau ake me ngā tohutoro paerewa (ASME/HEI/API) e hiahiatia ana.
