I te ao o ngā tukanga ahumahi pāmahana teitei, kāore e taea te tautohetohe i te hiahia mō ngā rauemi ātete pono, pakari hoki. Mai i te hanga maitai ki te hanga sima, te hanga karāhe ki te whakarewa kore-ferrous, me ngā taputapu e mahi ana i raro i te wera nui, te waikura, me te ahotea miihini me ngā rauemi ka taea te tu atu i ngā āhuatanga uaua me te pupuri tonu i te hanganga. Koinei te wāhi e hiahiatia anakonupūmā whakarewaka puta hei otinga ātete-whakarerekētanga kēmu—i hangaia hei whakarato i te mahi tino pai i roto i ngā taiao tino wero.
Ko te konupūmā whakarewa, he momo ātete monolithic i hangaia i te nuinga o te wā mai i ngā konganuku konupūmā (MgO) parakore teitei, ngā here, me ngā tāpiringa, e tū motuhake ana mō tōna huinga ahurei o ngā āhuatanga e aro ana ki ngā hiahia nui o ngā ahumahi pāmahana teitei. He rerekē ki ngā pereki whakarewa tuku iho, he pai ake te ngāwari o te tāutanga o te konupūmā whakarewa, he urutau ki ngā āhua uaua, me te ātete ki ngā ru wera, ā, he mea pai mō ngā mahi ahumahi hou e rapu ana i te whai huatanga, te roa o te ora, me te whai huatanga utu.
Ngā tono matua puta noa i ngā ahumahi matua
Nā te maha o ngā whakamahinga o te konupūmā whakarewa ka tino hiahiatia puta noa i ngā momo ahumahi, ia rāngai e whai hua ana i tana mahi kua whakaritea:
Ahumahi Hanga Rino:Hei poutokomanawa mō te hanga maitai, he whānuitia te whakamahinga o te konupūmā whakarewa i roto i ngā koko, ngā tundish, ngā oumu hiko pewa (EAF), me ngā arai whakawhiti. Ko tōna ātete teitei (te ira rewa i runga ake i te 2800°C) me tōna ātete pai ki te maitai rewa, te para, me te waikura rere ka roa ake te ora o te mahi, ka whakaiti i te wā kore mahi mō te tiaki me te whakakapinga. I roto i ngā tukanga whakarewa tonu, ka ārai te pumau wera o te konupūmā whakarewa i ngā kapiti me te horo, ka tiaki i te kounga o te maitai rewa me te whakapai ake i te pai o te whakaputa.
Te Hanganga Sima:Ka mahi ngā oumu sima i raro i ngā pāmahana tino wera (tae atu ki te 1600°C) me ngā āhuatanga whakakoi mai i ngā rauemi mata me te kirīni. Ka whakamahia te konupūmā whakarewa ki roto i ngā arai oumu, ngā pakitara matao, me ngā awa hau tuatoru, ā, ko tōna ātete ki te huringa wera me te whakaeke kawakore (he take noa i roto i te hanga sima) ka whakaiti i te kakahu me te whakaroa i te roa o te mahi o te oumu. Ko te tikanga o tēnei he iti ake ngā utu tiaki me te kounga sima pumau.
Te Whakarewa Kore-Waro:Mō ngā ahumahi e tukatuka ana i te konumohe, te parahi, me ētahi atu konganuku kore-ferrous, he pai te konupūmā whakarewa mō ngā oko whakarewa, ngā oumu whakarewa, me ngā horoi. Nā tōna āhua kore mahi ka ārai i te poke o ngā konganuku rewa, ā, nā tōna matotoru me te iti o te porosity ka ātete ki te urunga mai o ngā para me ngā konganuku rewa, kia mau ai te mahi pono i roto i ngā tukanga whakaputa puranga me te haere tonu.
Te Hanga Karāhe me te Uku:Me whakamahi ngā oumu whakarewa karāhe me ngā oumu uku i ngā oumu wera e kaha ana ki te tu atu ki ngā pāmahana teitei (1500–1800°C) me te whakaekenga matū mai i ngā rewa karāhe, i ngā karaihe uku rānei, mō te wā roa. Nā te ātete pai o te konupūmā whakarewa ki ngā taiao whai kiko-silica, he pai mō ngā karauna oumu, ngā pakitara taha, me ngā rūma whakaora, ka whakaiti i te ngaronga pūngao me te whakaroa i te roa o te ora o te oumu.
Ngā Painga Mahi Kore-Whakataurite
He aha te mea e wehewehe ai te konupūmā whakarewa i ētahi atu rauemi ātete-wera? Ko ōna painga matua kei roto i tōna hanganga hangarau me ngā painga hanganga:
Te Ātete Tino Pai:Mā te konupūmā tino parakore te wāhanga matua, ka mau tonu te kaha me te pumau o te konupūmā whakarewa i ngā pāmahana neke atu i te 2000°C, ka pai ake i te maha o ngā mea whakakākahu e ahu mai ana i te alumina, i te silica rānei i roto i ngā tono pāmahana tino teitei.
Ātete Pai Rawa ki te Waikura:Nā te koretake o te matū o te konupūmā, ka tino ātete ia ki ngā para waikawa, para taketake, me ngā para kūpapa, ngā konganuku rewa, me ngā hau waikura—he mea nui mō ngā ahumahi e hua ai te wā kore mahi nui i te wā e pirau ai ngā rauemi.
Ātete Ru Wera Pai rawa atu:Mā te hanganga kotahi o te konupūmā whakarewa, me te tohatoha rahi matūriki kua arotauhia, ka taea e ia te tu atu i ngā huringa pāmahana tere me te kore e pakaru, e pakaru rānei. He mea nui tēnei mō ngā tukanga e tīmata pinepine ana, e kati ana, e rerekē ana rānei te pāmahana.
Te Tāutanga Ngāwari me te Whānuitanga:Hei rauemi whakarewa, ka taea te riringi, te werowero, te pupuhi rānei ki ngā āhua uaua me ngā wāhi kikī, kia kore ai e kitea ngā āputa me ngā hononga e ngoikore ai ngā arai pereki. Mā tēnei ngāwari ka whakaitihia te wā tāutanga, ā, ka whakarite kia mau te arai, kia pakari hoki, kia rite ki ngā whakaritenga taputapu motuhake.
Te roa o te ora whai hua:Ahakoa he nui ake te haumitanga tuatahi i ngā pūwero whakarewa paerewa, nā te roa o te ora ratonga o te konupūmā whakarewa, te whakaiti i ngā hiahia tiaki, me te whakapai ake i te whai huatanga o te mahi ka iti ake te utu katoa o te mana i roto i te wā.
He aha i whiriwhiri ai koe i te Magnesia Castable mō ō hiahia ahumahi?
I roto i te ao ahumahi whakataetae o ēnei rā, ko te whakanui ake i te hua, te whakaiti i te wā kore mahi, me te whakarite i te kounga o te hua ngā mea matua. Ka aro atu a Magnesia castable ki ēnei hiahia mā te tuku i tētahi otinga ātete ahi e whakakotahi ana i te pakari, te mahi, me te urutau. Ahakoa kei te whakahaere koe i tētahi mira maitai, i tētahi wheketere sima, i tētahi whare whakarewa kore-ferrous, i tētahi oumu karāhe rānei, ka whakaratohia e Magnesia castable te pono me te whai huatanga e hiahiatia ana hei noho whakamua.
Ka hangaia tā mātou konupūmā whakarewa kounga teitei mā te whakamahi i ngā rauemi konupūmā kounga teitei, ngā mea here matatau, me ngā whakatakotoranga tika hei whakatutuki i ngā hiahia ahurei o ngā ahumahi rerekē. Ka tukuna e mātou ngā otinga kua whakaritea kia rite ki ō hiahia pāmahana, waikura, me te miihini, me te tautoko hangarau me te aratohu a te tohunga hei whakarite i te tāutanga me te mahi tino pai.
Hokohoko mai ki te konupūmā whakarewa, ā, ka kite koe i te rerekētanga—he ātete wera nui, he pakari ake, me ngā penapena utu hei ārahi i tō angitu ahumahi. Whakapā mai i tēnei rā ki te ako me pēhea e taea ai e ā mātou otinga konupūmā whakarewa te whakapai ake i ō mahi ki ngā taumata hou.
Wā tuku: Whiringa-ā-rangi 17-2025
