ʻO Drift Bead kekahi ʻano pōlele lehu lele hiki ke lana ma ka ʻili wai.He keʻokeʻo hina keʻokeʻo, me nā paia lahilahi a hakahaka, a māmā loa ke kaumaha.He 720kg/m3 (kaumaha), 418.8kg/m3 (māmā), a ʻo ka nui o ka ʻāpana he 0.1mm.Ua pani ʻia ka ʻili a maʻemaʻe, me ka haʻahaʻa haʻahaʻa haʻahaʻa haʻahaʻa a me ka pale ahi o ≥ 1610 ℃.He mea maikaʻi loa ka mālama ʻana i nā mea refractory, hoʻohana nui ʻia i ka hana ʻana i nā castables māmā a me ka ʻaila ʻaila.ʻO ka haku melemele o ka pahu lana ka nui o ka silicon dioxide a me ka alumini oxide.Loaʻa iā ia nā hiʻohiʻona o nā ʻāpana maikaʻi, hollow, māmā kaumaha, ikaika kiʻekiʻe, pale ʻana i ke aahu, pale wela kiʻekiʻe, insulation thermal, insulation and flame retardancy.ʻO ia kekahi o nā mea maka i hoʻohana nui ʻia i ka ʻoihana pale ahi.

ʻO Drift Bead kekahi ʻano pōlele lehu lele hiki ke lana ma ka ʻili wai.He keʻokeʻo hina keʻokeʻo, me nā paia lahilahi a hakahaka, a māmā loa ke kaumaha.He 720kg/m3 (kaumaha), 418.8kg/m3 (māmā), a ʻo ka nui o ka ʻāpana he 0.1mm.Ua pani ʻia ka ʻili a maʻemaʻe, me ka haʻahaʻa haʻahaʻa haʻahaʻa haʻahaʻa a me ka pale ahi o ≥ 1610 ℃.He mea maikaʻi loa ka mālama ʻana i nā mea refractory, hoʻohana nui ʻia i ka hana ʻana i nā castables māmā a me ka ʻaila ʻaila.ʻO ka haku melemele o ka pahu lana ka nui o ka silicon dioxide a me ka alumini oxide.Loaʻa iā ia nā hiʻohiʻona o nā ʻāpana maikaʻi, hollow, māmā kaumaha, ikaika kiʻekiʻe, pale ʻana i ke aahu, pale wela kiʻekiʻe, insulation thermal, insulation and flame retardancy.ʻO ia kekahi o nā mea maka i hoʻohana nui ʻia i ka ʻoihana pale ahi.

Hana maikaʻi a me ka hoʻohana ʻana i nā lei lana

Kūleʻa ahi kiʻekiʻe.ʻO nā ʻāpana kemika nui o nā peʻa lele he oxides o ke silika a me ka aluminika, me ka silicon dioxide e helu ana ma kahi o 50-65% a me ka alumini trioxide e pili ana i ka 25-35%.No ka mea, he kiʻekiʻe ka helu heheʻe o ka silicon dioxide e like me 1725 degere Celsius, a ʻo ka helu heheʻe o ka alumini oxide he 2050 degere Celsius, ʻo ia mau mea ʻelua mau mea refractory kiʻekiʻe.No laila, ʻoi aku ka nui o ka pale ʻana i ke ahi, ʻo ka maʻamau a hiki i 1600-1700 degere Celsius, e hana ana i nā mea refractory maikaʻi loa.Māmā, hoʻopaʻa ʻia a hoʻopaʻa ʻia.He lahilahi a hakahaka ka paia peʻa e lana ana, me ka ʻūhā hapa i loko o ka lua a he wahi kinoea liʻiliʻi wale nō (N2, H2, CO2, a me nā mea ʻē aʻe).No laila, ʻaʻole maʻalahi wale nā ​​peʻa lana (me kahi paona o 250-450 kilokani / m3), akā loaʻa pū kekahi i ka insulation maikaʻi loa a me ka insulation thermal (me ka conductivity thermal o 0.08-0.1 i ka lumi mahana), kahi e kau ai i ke kumu no kā lākou. ka mana nui ma ke kahua o nā mea hoʻoheheʻe māmā.ʻO ka paʻakikī kiʻekiʻe a me ka ikaika.No ka mea, he aniani paʻakikī ka pahu lana i hoʻokumu ʻia e ka silicon alumina Oxide mineral phase (quartz a me mullite), hiki i kona paʻakikī ke hiki i Mohs 6-7, hiki ke piʻi ka ikaika static i 70-140MPa, a ʻo kona ʻano maoli he 2.10-2.20g/cm3. , ua like ia me ka pohaku.No laila, he kiʻekiʻe ka ikaika o nā pēke lana.ʻO ka mea maʻamau, ʻo nā mea porous māmā a i ʻole nā ​​mea hollow e like me Perlite, pōhaku paila, diatomite, pumice, vermiculite i hoʻonui ʻia, etc.ʻO nā huahana insulation thermal a i ʻole nā ​​​​huahana refractory māmā i hana ʻia e lākou ka hemahema o ka ikaika maikaʻi ʻole.ʻO ko lākou nāwaliwali ʻo ia ka ikaika o nā peʻa lana, e hāʻawi iā lākou i ka hoʻokūkū hoʻokūkū a me kahi ākea o ka hoʻohana.ʻO ka nui o nā ʻāpana liʻiliʻi a me ka ʻāpana kikoʻī nui.ʻO ka nui o ka nui o nā peʻa lana mai ka 1 a 250 microns.ʻO 300-360cm2/g ka ʻāpana ili kikoʻī, e like me ka sima.No laila, ʻaʻole pono ka wili ʻana i nā pahu lana a hiki ke hoʻohana pololei ʻia.Hiki i ka fineness ke hoʻokō i nā pono o nā huahana like ʻole.ʻO nā mea hoʻoheheʻe wela māmā ʻē aʻe he nui ka nui o ka nui (e like me Perlite).Inā wili ʻia lākou, e hoʻonui nui ʻia ka mana a e hoʻemi nui ʻia ka insulation thermal.Ma kēia ʻano, loaʻa nā pōmaikaʻi o nā lei lele.ʻOi aku ka maikaʻi o ka pale uila.ʻO ka pahu lana ma hope o ke koho ʻana i ka pahu magnetic he mea hoʻokaʻawale maikaʻi loa ʻaʻole e hoʻokele uila.Ke emi nei ke kū'ē o nā insulators maʻamau me ka piʻi ʻana o ka mahana, ʻoiai ke piʻi nei ke kūʻē ʻana o nā pahu lana me ka piʻi ʻana o ka mahana.ʻAʻole loaʻa kēia pono i nā mea insulation ʻē aʻe.No laila, hiki ke hoʻohana ʻia e hana i nā huahana insulation ma lalo o nā kūlana wela kiʻekiʻe.