I loko o nā hale hana he nui, hoʻomanawanui kekahi mau paipu i nā kūlana hana ʻoi loa: ke kiʻekiʻe kiʻekiʻe, ka ʻinoʻino ikaika, a me ka lole kiʻekiʻe. ʻO lākou nā 'ʻaʻa koko ʻoihana' e hōʻoia i ka hana mau a paʻa. I kēia lā e kamaʻilio mākou e pili ana i ka mea koʻikoʻi i kēia ʻano pipeline -paipu silika carbide.
Manaʻo ka poʻe he "brittle" ke lohe lākou i ka "ceramic". Akā ʻo ka ʻoihana silicon carbide ceramics e ʻimi nei i ka "paʻakikī" a me ka "paʻa". He kiʻekiʻe loa kona paʻakikī, a ʻoi aku ke kūpaʻa o kona ʻaʻahu ma mua o nā metala a me ka lāʻau. Hiki iā ia ke pale aku i ka erosion wai kiʻekiʻe i loaʻa nā ʻāpana paʻa no ka manawa lōʻihi; Paʻa loa nā waiwai kemika a hiki ke kū i ka ʻānai ʻana o nā ʻakika ikaika like ʻole, nā kumu ikaika, a me nā paʻakai; I ka manawa like, hiki iā ia ke hana paʻa i nā mahana kiʻekiʻe a kū i nā mahana a hiki i 1350 ℃. Eia kekahi, loaʻa iā ia ka conductivity thermal maikaʻi a me ka ʻili maʻemaʻe, e kōkua ana i ka hōʻemi ʻana i ke kūpaʻa o ka halihali a me ka hoʻohana ʻana i ka ikehu.
ʻO ka waiho wale ʻana, ua hoʻolālā ʻia nā paipu seramika silicon carbide e hoʻoponopono i nā pilikia o ka lawe ʻana o "wela, abrasive, a corrosive". I ka lawe ʻana i ka slag a me ka mortar i nā ʻoihana e like me ka mining, metallurgy, a me ka mana wela, hiki iā ia ke hoʻonui nui i ke ola lawelawe o nā pipeline a hoʻemi i ka downtime no ke pani; I ka lawe ʻana i nā media corrosive i nā ʻoihana kemika a me ka mālama ʻana i ke kaiapuni, hiki iā ia ke hōʻoia i ka hana paʻa lōʻihi a hōʻemi i ka hopena o ka leakage. ʻOiai ʻoi aku ka kiʻekiʻe o ka hoʻopukapuka mua, ʻoi aku ka nui o nā pōmaikaʻi no ka wā lōʻihi mai kahi hiʻohiʻona piha o ka hōʻemi ʻana i ka mālama, hoʻohaʻahaʻa i ka ikehu, a me ka hōʻoia ʻana i ka hana.
ʻO ka hana ʻana i nā paipu seramika silicon carbide he hana paʻakikī. ʻO ka maʻamau, hui ʻia ka pauka silicon carbide me kahi liʻiliʻi o nā mea hoʻohui e hana i kahi "kino ʻōmaʻomaʻo" me kahi ikaika, a laila sintered i ka wela kiʻekiʻe e hana i ka mea paʻakikī a paʻakikī. E like me nā pono like ʻole, e ʻae ʻia nā ʻano hana like ʻole e like me ka sintering reaction a me ka sintering pressureless. No ka maʻalahi o ka hoʻokomo ʻana, ua hoʻolako pinepine ʻia nā pipeline i hoʻopau ʻia me nā mea hoʻohui e like me nā flanges metala.
ʻOiai ʻo kāna hana ʻoi aku ka maikaʻi, ʻo ka silicon carbide ceramic tubes he mau mea seramika e koi ana i ka "hana maʻalahi" ke hoʻohana ʻia. Pono e mālama pono ʻia ka hoʻokomo ʻana a me ka lawe ʻana i mea e pale aku ai i ka hopena paʻakikī; E hōʻoia i ke kākoʻo kūpono a me ka uku hoʻonui wela no ka pale ʻana i nā ukana ʻē aʻe i hana ʻia e ke koʻikoʻi o waho a i ʻole nā hoʻololi wela; Ma mua o ke koho ʻana i nā mea, ʻoi aku ka maikaʻi o ka loaʻa ʻana o kahi ʻenekini loea e loiloi i ke ʻano kikoʻī, ka mahana, a me ke kaomi e ʻimi ai i ka hopena kūpono loa.
ʻO ka holoʻokoʻa, ua loaʻa i nā paipu seramika silicon carbide i ka "paʻakikī" a me ka "paʻa", e hāʻawi ana i nā hopena hilinaʻi no nā kūlana hoʻoili koi nui loa, a ʻo ia ka "mea ʻike ʻole".
Ka manawa hoʻouna: Oct-05-2025