muka pātaratiKo te paipa pēhanga teitei hiato, he ātete ki te waikura, he mama, he kaha teitei, he iti te ātete ki te kawe wai me te roa o te ora ratonga, e whakamahia whānuitia ana i roto i te matū hinu, te rererangi, te hanga me ētahi atu mara. Ko ōna āhuatanga matua ko: te ātete ki te waikura ki te H2S, CO2, te wai tote, me ētahi atu, he iti te tauine o te hanga, he iti te hanganga ware pi, he pai te rere o te mahi, he 1.5 ngā wā te tauwehenga rere o te paipa maitai, ā, i te wa ano, he tino kaha te miihini, he mama, he iti te utu tāutanga, he neke atu i te 30 tau te roa o te ora ratonga hoahoa, ā, i roto i ētahi kaupapa, ahakoa te whakamahinga o te 50 tau, kāore he raruraru. Ko ōna tono matua ko: ngā paipa tuku hinu mata, hau māori me te wai māori; te weronga wai para, te paipa hinu raro me ētahi atu paipa pēhanga teitei; ngā paipa tukanga matū hinu; ngā paipa tuku para me te maimoatanga wai para o te mara hinu; ngā paipa puna wera me ētahi atu.
Tukanga Matua:
Te whakataurite me te rerekētanga i waenga imuka karāheme te paipa pēhanga teitei muka basalt:
(1) te muka whakatakotoranga ōrite, te papa whariki ōrite, te taputapu ōrite me tana tukanga hei manatoko i te rerekētanga i waenga i te pēhanga waipū o te muka basalt/muka karāhe paipa (DN50PN7, hei tauira, ko te ātete pēhanga EP/CBF o te 30MPa, ko te ātete pēhanga EP/GF o te 25MPa); te taumata pēhanga ōrite, ko te muka basalt e pā ana ki te muka karāhe hei whakaiti i te papa whariki o te 10%, 20% hei manatoko i te taumata tūturu o te ātete pēhanga waipū (ki te DN50PN7). Hei tauira, whakaitihia te ātete pēhanga EP/CBF o te 25MPa mā te whakamahi i ngā paparanga e rua).
(2) I muri i te whakaiti i te ara whariki, kua whakahaeretia te whakamātautau whakamutunga hei whakaiti i te whakamahinga whānui o ngā rauemi mata hei whakaiti i ngā utu hua, ā, kei te tutuki tonu te taumata ātete pēhanga o te paipa i ngā whakaritenga hoahoa, te utu opaipa muka karāhee ai ki te kore he pikinga nui.
Ngā painga o te mahi a ngā paipa pēhanga teitei muka basalt:
(1) te ātete pai rawa atu ki te waikura
muka pātaratiE toru ngā wāhanga o te hanganga paipa pēhanga teitei, arā, te paparanga arai, te paparanga hanganga me te paparanga tiaki o waho. I roto i ēnei, he nui te ihirangi kapia o te paparanga arai, neke atu i te 70% te nuinga, ā, ko te ihirangi kapia o roto o tōna mata he nui te kapia, tata ki te 95%. Ki te whakaritea ki te paipa maitai, he nui ake te ātete ki te waikura, pērā i te maha o ngā waikawa kaha me ngā kawakore, te maha o ngā tote kore-waro, ngā rauemi whakahāora, te hauwai whanariki, te hauhā waro, te maha o ngā surfactants, ngā otinga polymer, te maha o ngā whakarewa waro, me ētahi atu. Mena he pai te whiriwhiri i te hanganga kapia, ka taea e ngā muka kapia pēhanga teitei te ātete roa (kāore e whakaurua te waikawa kukū, te kawakore kaha, me te HF).
(2) He ātete pai ki te ngenge me te roa o te ora ratonga
Ko te roanga o te ora o te hoahoa paipa pehanga-teitei muka basalt he neke atu i te 20 tau, ā, i roto i te meka, he maha ngā wā ka mau tonu te ora i muri i te neke atu i te 30 tau o te whakamahinga, ā, i roto i tōna roanga mahi he kore tiaki.
(3) Te kaha ki te pupuri i te pēhanga teitei
Ko te taumata pēhanga noa omuka pātaratiKo te paipa pēhanga teitei he 3.5MPa-25MPa (tae atu ki te 35 MPa, e ai ki te matotoru o te pakitara me te tatau), ki te whakaritea ki ētahi atu paipa kore-whakarewa, he teitei ake te kaha ātete-pēhanga.
(4) Mama, ngāwari te tāutanga me te kawe
Ko te taumaha motuhake o te muka pātarati he 1.6, ko te paipa rino anake, ko te paipa rino maka rānei he 1/4 ~ 1/5. E whakaatu ana te tono mahi, i raro i te pēhanga ā-roto kotahi, te diameter kotahi, te roa kotahi o te paipa FRP, ko tōna taumaha he 28% o te paipa rino.
(5) te kaha teitei, ngā āhuatanga miihini whaitake
Ko te kaha kume o te paipa pēhanga teitei o te muka basalt he 200 ~ 320MPa, he tata ki te paipa maitai, engari he nui ake i te kaha o te 4 ngā wā, i roto i te hoahoa hanganga, ka taea te whakaiti i te taumaha o te paipa, he tino ngawari te tāutanga.
(6) Ngā āhuatanga kē atu:
Ehara i te mea ngāwari ki te whakapūtā me te whakamā, he iti te ātete ki te rere, he pai ngā āhuatanga whakamahana hiko, he ngāwari te hono, he kaha teitei, he iti te kawe wera, he iti te ahotea wera.
Wā tuku: Maehe-20-2024
