9 Na Lako Pahu no na kapuahi aniani

ʻO nā pōhaku lepo silica no nā kiln aniani:
ʻO nā mea nui: silicon dioxide (SiO2), pono ka ʻike ma luna o 94%. ʻO ka mahana hana: ʻo ka mahana hana kiʻekiʻe loa he 1600 ~ 1650 ℃. Nā hiʻohiʻona: maikaʻi kūʻē i ka acidic slag erosion, akā maikaʻi ʻole ke kūʻē ʻana i nā mea lele alkaline erosion. Hoʻohana nui ʻia no ka masonry o nā pā nui, nā paia umauma a me nā umu liʻiliʻi.

Nā pōhaku lepo ahi no nā kiln aniani:
Nā mea nui: Al2O3 a me SiO2, Al2O3 maʻiʻo ma waena o 30% ~ 45%, SiO2 ma waena o 51% ~ 66%. ʻO ka mahana hana: ʻo ka mahana hana kiʻekiʻe loa he 1350 ~ 1500 ℃. Nā hiʻohiʻona: ʻO ia kahi mea refractory palupalu palupalu me ka refractoriness maikaʻi, kūpaʻa wela a me ka conductivity thermal haʻahaʻa. Hoʻohana nui ʻia no ka masonry o ka lalo o ka kiln pool, ka pā wai o ka ʻāpana hana a me ke ala, ka pā, ka ʻāʻī, nā pōhaku nānā haʻahaʻa a me ka flue o ka lumi mālama wela.

Nā pōhaku lepo alumina kiʻekiʻe no nā kiln aniani:
Nā mea nui: SiO2 a me Al2O3, akā ʻoi aku ka nui o ka Al2O3 ma mua o 46%. ʻO ka mahana hana: ʻO ka mahana hana kiʻekiʻe loa he 1500 ~ 1650 ℃. Nā hiʻohiʻona: Ke kūpaʻa maikaʻi ʻana i ka corrosion, a hiki ke pale i ka corrosion mai nā slags acidic a me ka alkaline. Hoʻohana nui ʻia i loko o nā keʻena mālama wela, a me nā mea refractory no nā loko hana, nā kahawai waiwai a me nā mea hānai.

Nā pōhaku lepo:
ʻO ka mea nui o nā pōhaku lepo mullite ʻo Al2O3, a ʻo kāna ʻike ma kahi o 75%. Ma muli o ka nui o nā kristal mullite, ua kapa ʻia ʻo mullite bricks. Density 2.7-3 2g/cm3, open porosity 1% -12%, a ʻo ka mahana hana kiʻekiʻe loa he 1500 ~ 1700 ℃. Hoʻohana nui ʻia ʻo Sintered mullite no ka masonry o nā paia keʻena mālama wela. Hoʻohana nui ʻia ʻo Fused mullite no ka masonry o nā pā loko, nā lua nānā, nā pā pā, etc.

ʻO nā pōhaku lepo zirconium corundum i hoʻohui ʻia:
Ua kapa ʻia nā pōhaku lepo zirconium corundum i kapa ʻia he pōhaku hao keʻokeʻo. ʻO ka maʻamau, ua hoʻokaʻawale ʻia nā pōhaku lepo zirconium corundum i ʻekolu mau māka e like me ka ʻike zirconium: 33%, 36%, a me 41%. ʻO nā pōhaku lepo zirconium corundum i hoʻohana ʻia i ka ʻoihana aniani he 50% ~ 70% Al2O3 a me 20% ~ 40% ZrO2. ʻO 3.4 ~ 4.0g / cm3 ka nui, ʻo ka porosity ʻike ʻia ʻo 1% ~ 10%, a ʻo ka mahana hana kiʻekiʻe ma kahi o 1700 ℃. Hoʻohana ʻia nā pōhaku lepo zirconium corundum fused me ka zirconium maʻiʻo o 33% a me 36% no ke kūkulu ʻana i nā pā kiln pool, nā paia umauma ākea o ka lapalapa ahi, nā lua pahū umu liʻiliʻi, nā kīwī pāhaʻi kapuaʻi liʻiliʻi, nā puʻu kapuahi liʻiliʻi, nā alelo alelo, a pēlā aku. nā ʻāpana kahi e hoʻopau ai ka wai aniani a ʻānai loa i nā mea refractory. ʻO kēia mea ka mea i hoʻohana nui ʻia i ka fused cast refractory material i ka ʻoihana aniani.

ʻO nā pōhaku lepo alumina i hoʻohui ʻia:
ʻO ka mea nui e pili ana i ka fused α, β corundum, a me ka fused β corundum refractory bricks, ka mea nui i haku ʻia he 92% ~ 94% Al2O3 corundum crystal phase, density 2.9 ~ 3.05g/cm3, ʻike ʻia porosity 1% ~ 10%, a me ka mahana hana kiʻekiʻe ma kahi o 1700 ℃. ʻO ka alumina fused he kūʻē maikaʻi loa i ka permeation aniani a aneane ʻaʻohe haumia i ka wai aniani. Hoʻohana nui ʻia ia i ka pā wai ʻauʻau ʻāpana hana, lalo wai, kahe kahe, hana ʻāpana ʻāpana o ka pā wai puna wai, lalo a me nā ʻāpana ʻē aʻe o ka umu hoʻoheheʻe aniani e hoʻopili ai i ka wai aniani a ʻaʻole pono i ka contamination refractory.

Nā pōhaku pōhaku Quartz:
ʻO ka mea nui ʻo SiO2, aia ma mua o 99%, me ka density o 1.9 ~ 2g / cm3, kahi refractoriness o 1650 ℃, kahi mahana hana ma kahi o 1600 ℃, a me ke kūpaʻa erosion acid. Hoʻohana ʻia ia e kūkulu i ka pā loko o ke aniani boron acidic, nā pōhaku lepo thermocouple hole, etc.

ʻO nā mea hoʻoheheʻe alkaline:
ʻO nā mea hoʻoheheʻe alkaline e pili ana i nā pōhaku lepo magnesia, nā pōhaku alumina-magnesia, nā pōhaku lepo magnesia-chrome, a me nā pōhaku forsterite. ʻO kāna hana ke kūʻē i ka erosion o nā mea alkaline, a ʻo kona refractoriness ʻo 1900 ~ 2000 ℃. Hoʻohana nui ʻia ia ma ka paia o luna o ka regenerator o ke kapuahi hoʻoheheʻe aniani, ka arch regenerator, ke kino grid, a me ka ʻāpana o ka umu liʻiliʻi.

Nā pōhaku lepo no nā kapuahi aniani:
He nui ka wahi hoʻoheheʻe wela o ka umu hoʻoheheʻe aniani a haʻahaʻa ka hana wela. I mea e mālama ai i ka ikehu a hoʻemi i ka hoʻohana ʻana, pono ka nui o nā mea insulation no ka insulation piha. ʻO ka mea nui, pono e hoʻokaʻawale ʻia ka pā wai, lalo o ka loko, arch, a me ka pā i loko o ka regenerator, ka hapa hoʻoheheʻe, ka ʻāpana hana, etc. ʻO ka porosity o ka brick insulation he nui loa, he māmā ke kaumaha, aʻaʻole iʻoi aku ka nui ma mua o 1.3g / cm3. No ka mea ʻilihune loa ka hana hoʻoili wela o ka ea, ʻo ka insulation brick me kahi porosity nui he hopena insulating. He 2 ~ 3 mau manawa haʻahaʻa ma mua o nā mea refractory maʻamau, no laila ʻoi aku ka nui o ka porosity, ʻoi aku ka maikaʻi o ka hopena insulation. Nui nā ʻano ʻano like ʻole o ka insulation bricks, me ka pālolo insulation bricks, silica insulation bricks, alumina kiʻekiʻe insulation bricks a pēlā aku.