I ngā tau tata nei, kua piki haere te hiahia mō ngā rauemi e pai ana ki te taiao, ā, he pai hoki te mahi puta noa i ngā ahumahi maha. Ko tētahi o ngā rauemi auaha kua arohia e ngā kairangahau me ngā miihini ko ngā uku honikoma. He hanganga ahurei tō tēnei rauemi, he maha ngā painga me te maha o ngā whakamahinga. Kei roto i te tuhinga e whai ake nei he tūhuratanga hōhonu mō ngā uku honikoma, e matapaki ana i ō rātou momo, ngā āhuatanga, te hanganga matū, te tukanga whakarite, me te maha o ngā whakamahinga i roto i ngā ahumahi pēnei i te motuka, te matū, te hiko, me ētahi atu. Mā te mārama ki te pūmanawa o ngā uku honikoma, ka taea e tātou te whakamahi pai ake i ō rātou painga me te whakatakoto i te ara mō tētahi heke mai pumau me te whai hua puta noa i ngā rāngai maha.
1、He aha te Honikoma Uku
He hua uku hou te uku honikoma, he rite te hanganga ki te āhua o te honikoma. I te tuatahi i whakamahia i roto i te purenga o ngā hauā o ngā waka iti, ā, ināianei kua whānuitia te whakamahinga i roto i ngā ahumahi pēnei i te matū, te hiko, te whakarewa, te hinu, te hikohiko, me te mīhini, me te whānui haere o ngā tono me ngā tūmanakohanga whai hua. Ka taea te hanga i ngā uku honikoma mai i ngā momo rauemi, tae atu ki te cordierite, te mullite, te alumina titanate, te waro whakahohe, te silicon carbide, te alumina whakahohe, te zirconia, te silicon nitride, me ngā matrices hiato.
2、Ngā momo uku honikoma
E whā ngā wāhanga matua o ngā uku honikoma e ai ki ō rātou whakamahinga: ngā tinana rokiroki wera, ngā rauemi tākai, ngā kawe whakakorikori, me ngā rauemi tātari.
Ko te kaha o te wera o ngā tinana rokiroki wera uku honikoma he neke atu i te 1000 kJ/kg, ā, ko te pāmahana mahi teitei rawa atu he 1700℃ te iti rawa. Ka taea e rātou te penapena i te neke atu i te 40% o te wahie i roto i ngā oumu pēnei i ngā oumu whakamahana, ngā oumu tunu, ngā oumu whakaranu, me ngā oumu pakaru, ka whakanui ake i te whakaputanga mā te neke atu i te 15%, ā, ka whakaheke i te pāmahana o te paoa e tukuna ana ki raro iho i te 150℃.
He nui ake te horahanga mata motuhake o ngā rauemi tākai uku honikoma, ā, he kaha ake i ērā atu rauemi tākai āhua, ā, ka hua ake he tohatoha ōrite o te hau-wai, he iti ake te ātete moenga, he pai ake te mahi, ā, he roa ake te ora ratonga. E whakamahia ana ēnei hei rauemi tākai i roto i ngā ahumahi matū hinu, rongoā, me te matū pai, ā, he tino angitu.
He tino painga ngā uku honikoma ina whakamahia hei whakakorikori. Mā te whakamahi i ngā rauemi uku honikoma hei kawe me te whakamahi i ngā rauemi paninga ahurei, ka whakaritea ki ngā konganuku utu nui, ngā konganuku whenua onge, me ngā konganuku whakawhiti, ka hua ake he kaha whakakorikori teitei, he pumau wera pai rawa atu, he roa te ora mahi, me te kaha teitei.
3、Ngā Āhuatanga o ngā Uku Honikoma
Nā te kaha teitei, te ātete ki te pāmahana teitei, te ātete ki te waikura, me te ātete ki te kakahu, ka pai ai ngā uku honikoma mō ngā momo mara tiaki taiao. Ko ētahi o ngā āhuatanga ko:
Teitei o te horahanga o te mata
He nui te porosity me te diameter o ngā pore ōrite
He iti te hekenga pēhanga
Tauwehenga whakawhanui wera iti
Te ātete nui ki te ru wera me te wiri
Te ātete teitei ki te waikura matū (ātete-waikawa ≥99.8%)
Te kaha pēhi teitei
4、Te Hanganga Matū o ngā Uku Honikoma
Ko ngā honikoma uku he mea hanga i te kaolin, te talc, te paura konumohe, me te uku. I ēnei rā, mā te tāpiri i te zeolite me ētahi atu rauemi ātete ahi, ka taea te whiwhi i ētahi atu āhuatanga mō ēnei rauemi.
Ngā rauemi hanganga (MOC):
Kordierite
Te hanganga matū o te cordierite:
Konumohe: 35.2±1.5%
Hiraka: 50.9±1.5%
Konupūmā: 13.9±1.5%
5、Te Tukanga Whakarite o ngā Ukume Honikoma
Ka taea te hanga i ngā uku honikoma mai i ngā momo rauemi. Ko ngā rauemi matua ko te cordierite, te mullite, te titanate konumohe, te waro whakahohe, te silicon carbide, te alumina whakahohe, te zirconia, te silicon nitride, me ngā papa hiato o te cordierite-mullite me te cordierite-konumohe titanate.
I muri i te hanga i te paura waro whakahohe, i ngā kirikiri rānei hei hanganga uku honikoma, ka tino pai ake te kaha o te purenga me te maimoatanga waipara, inā koa i roto i te umanga rongoā mō te tango i ngā poke, te maroke, me te tango tae o ngā paturopi, ngā homoni, ngā huaora, ngā werohanga waikawa karihi, me ngā momo werohanga me ngā rongoā. I te mea ka hangaia ngā uku honikoma mā te extrusion, me tāpiri ngā momo tāpiri ki ngā rauemi mata matua hei whakarei ake i te kirihou me te rere o te tinana uku. Ko ēnei tāpiri ko ngā mea here, ngā mea whakakirikiri, ngā mea tango i ngā iri, ngā mea whakahinuhinu, me ngā mea whakamakuku. Hei tāpiri, kei reira anō ngā mea pupuri wai, ngā mea whakakōkī, ngā mea ārai-pūmau, ngā mea tiaki colloidal, me ngā mea surfactant. I tēnei wā, e whakamahia whānuitia ana te māngaro, te carboxymethyl cellulose, me te waipiro polyvinyl hei here, te hinu tung me te waikawa stearic hei mea whakahinuhinu, me te glycerin hei mea whakakirikiri.
6、Ngā Whakamahinga o ngā Ukume Honikoma
Ngā Kawe Whakaoho
Ina whakamahia hei kawe whakakorikori, ka whakamahia ngā uku honikoma ki te purenga o ngā putanga hau o ngā waka, te whakakorenga o te hau o ngā putanga hau o ngā kōhua (NOx), te tango i te haunga o ngā putanga hau o ngā ahumahi, me te whakakorenga o ngā hau paitini me ngā hau kino. Ko ngā kawe whakakorikori uku honikoma e whakamahia ana i roto i te purenga o ngā putanga hau o ngā waka he uku honikoma cordierite kua pania ki te γ-Al2O3.
Taonga Umu Whakakākahu
He 60%-75% te mama ake o ngā taonga oumu uku honikoma kua whakapūpūtia i ngā taonga oumu tuku iho, ā, ka taea te whakawhiti wera tere me te tahu tere. Mā te whakamahi i ngā uku honikoma hei tautoko mō te tahu i ngā ferrite, i ētahi atu uku hiko rānei, ka āwhina i te whakapai ake i te mahi a ngā hua.
Ngā Tātari Rere-Pati
Ka taea te whakamahi i ngā uku honikoma angiangi, he pūwero hoki, hei tātari me te whakapūmau i ngā matūriki waro i roto i ngā hau putanga o te mīhini tīhiera (i te pāmahana tata ki te 500℃).
7、Hei whakamutunga, he rauemi auaha, he maha ngā whakamahinga o ngā uku honikoma, he hanganga ahurei hoki tōna e tuku ana i ngā painga maha. E whakamahia ana i roto i te whānuitanga o ngā ahumahi, tae atu ki te motuka, te matū, te hiko, te whakarewa, te hinu, te hikohiko, me te mīhini. Nā ō rātou āhuatanga pai rawa atu, pērā i te kaha teitei, te ātete ki te pāmahana teitei, te ātete ki te waikura, me te ātete ki te kakahu, e pai ai mō ngā tono maha, tae atu ki ngā tinana rokiroki wera, ngā rauemi tākai, ngā kaikawe whakakorikori, me ngā rauemi tātari. Me te haere tonu o te whanaketanga o te pūtaiao rauemi me te piki haere o te hiahia mō ngā rauemi e pai ana ki te taiao me te whai hua, tera pea ka nui haere te mahi a ngā uku honikoma i roto i ngā ahumahi maha, e oati ana i te heke mai kanapa mō ō rātou whanaketanga me ngā tono.
Wā tuku: Pipiri-11-2026