Ma keʻano laulā, ʻaʻole pono e hoʻohana ʻia nā pōhaku kiʻekiʻe alumini i loko o ka umu ahi alkaline.No ka mea, he chlorine ka alkaline a me ka acidic medium, e komo ia i nā papa hohonu o nā pōhaku alumina kiʻekiʻe ma ke ʻano o ka gradient, kahi e hāʻule ai ka brick refractory.
ʻO ka pōhaku kiʻekiʻe aluminika ma hope o ka hoʻoheheʻe ʻia ʻana o ka lewa alkaline he mau māwae ākea.Hoʻokumu ʻia ka erosion me nā wahie hina, nā kinoea puhi, a me nā ʻāpana alkaline i nā huahana ʻē aʻe.Hoʻopili kēia mau mea me ka pae aniani a me ka pōhaku mullite i loko o ka pōhaku alumini kiʻekiʻe.
E ʻike ʻia nā pōhaku kiʻekiʻe alumini i hoʻopili ʻia i ka alkaline ma ka ʻili.ʻO ka puhi ʻana i nā pūhui kinoea e hoʻohua pū i ka lure nitrate, sedimentation ma ke āpau o nā pōhaku lepo alumini kiʻekiʻe;ʻO ka hopena o nā glaciers i hana ʻia e hana i kahi hana hou paʻakikī.Ke hoʻopili ʻia nā nitriles laki ʻole wai me ka vagram i hana ʻia, e kū mai ka hopena anti-vaporization, e hoʻoheheʻe a hāʻule paha ka pōhaku alumini kiʻekiʻe.Eia kekahi, he koʻikoʻi loa ka ʻino ʻana o ka wela no ka hoʻoheheʻe ʻana i nā brick refractory.Ma muli o ka pau ʻana o Fang quartz, Skywine, a me quartz crystal silica.ʻOi aku ka koʻikoʻi o ka hoʻohana ʻana i nā tile ahi ma mua o nā noodles anu.
He koʻikoʻi loa ka pōʻino o nā pōhaku lepo o ka silicon dioxide.Hoʻoheheʻe ʻia ka silica i loko o ke kiʻekiʻe alumini brick -liquid phase.ʻO ka hoʻoheheʻe laki nitrate a me ka haʻahaʻa hoʻoheheʻe wahi silika pōhaku hana i ka nui o ka wai.ʻOi aku ka kiʻekiʻe o ka silica ma loko o ka pōhaku lepo, ʻoi aku ka nui o ka pae wai.E hoʻololi ka nui o ka wai i nā pōhaku lepo alumini kiʻekiʻe.Hoʻopōʻino ʻia ke kilika silika i nā pōhaku lepo.No ka pau ʻana o ka silica manuahi, e hoʻopau ʻia ke ʻano o Mo Lai Shi.Ma hope o ka pane ʻana o ka lickle nitrate a me ka pōhaku mullite hiki ke hoʻonui i ka hoʻonui ʻia o ka pōhaku alumini kiʻekiʻe.
ʻO nā pōhaku lepo alumini kiʻekiʻe he kūpaʻa maikaʻi loa i ka wela kiʻekiʻe a me ka abrasion.Hoʻohana nui ʻia lākou i ka uhi ʻana o nā kapuahi ʻenehana like ʻole, e like me nā kapuahi pahū, nā umu wela wela, a me nā kiln rotary.Eia nō naʻe, i loko o ka umu ahi ʻenehana alkaline, ua kaupalena ʻia ka hoʻohana ʻana i nā pōhaku lepo alumina kiʻekiʻe.
ʻO nā waiwai kemika o nā pōhaku lepo alumina kiʻekiʻe e kūʻē iā lākou i nā hopena o nā kaiapuni waikawa.Eia nō naʻe, i loko o kahi ʻano alkaline nui, e like me nā kiln sima a i ʻole nā kapuahi aniani, e pane nā pōhaku alumini kiʻekiʻe me nā oxide metala alkali, e hoʻoheheʻe ʻia nā pōhaku a hemo.ʻO ka hopena ma waena o nā pōhaku lepo Al2O3 a me nā ʻokikene metala alkali ka mea maʻamau i ka hoʻokumu ʻana i kahi gel aluminosilicate alkali, kahi haʻahaʻa heheʻe a hiki ke kahe maʻalahi ma nā māwae.
No ka hoʻoponopono ʻana i kēia pilikia, ua hoʻohana ʻia kekahi mau hoʻolālā e hoʻomaikaʻi i ke kūʻē ʻana o nā pōhaku alumini kiʻekiʻe i nā wahi alkaline.ʻO kahi hoʻonā e hoʻohui i ka magnesia a i ʻole spinel i nā pōhaku alumina kiʻekiʻe.E pane ka magnesia a i ʻole spinel me ka alkali metala oxides e hana i nā ʻāpana spinel paʻa, hiki ke hoʻoikaika i ke kūʻē ʻana o nā pōhaku lepo Al2O3 i ka haki ʻana ma muli o ka hopena alkali.ʻO kahi hopena ʻē aʻe, ʻo ia ka hoʻopili ʻana i kahi pale pale ma ka ʻili o nā pōhaku alumina kiʻekiʻe e pale aku i ka hoʻopili pololei ʻana me ke kaiapuni alkaline.
I ka hōʻuluʻulu manaʻo, loaʻa i nā pōhaku alumini kiʻekiʻe ka hoʻohana palena ʻia i ka uhi ʻana o ka umu ahi ʻenehana.No ka hoʻoikaika ʻana i ke kūʻē ʻana o nā pōhaku lepo Al2O3 i nā kaiapuni alkaline, pono e hoʻohui i kekahi mau minerala a i ʻole nā pale e pale aku i nā hopena ʻino me nā oxide metala alkali.He mea koʻikoʻi ke koho ʻana i nā mea kūpono no ka uhi ʻana o ka umu ahi e hōʻemi i nā pōʻino a mālama i nā kumukūʻai.
Ka manawa hoʻouna: Mei-19-2023
