ʻO Checker Brick kahi ʻano o ka wela wela, kahi i hoʻohana nui ʻia no ka ʻaoʻao waena o ke keʻena regenerative i loko o ka umu wela wela no ka mālama ʻana i ka wela i ka wā wela. He hana koʻikoʻi loa ka checker firebrick i ke kaʻina hana o ka hoʻomehana ʻana i ka makani ʻoluʻolu a hiki i ka makani wela ma o ka hoʻololi wela convective a me ka hoʻoili wela o ka radiation i ka wā pahū. Hoʻohana nui ʻia ka poloka ahi checker i ka ʻoihana hoʻoheheʻe hao e like me ke ʻano o ka mea lawe wela me ka hana ʻenehana wela maikaʻi loa o ka hiki ke hoʻololi i ka wela, ka nui o ka waiho ʻana i ka wela, ka ventilation maikaʻi a me ke kūpaʻa haʻahaʻa. Hoʻohana nui ʻia ka poloka refractory checker i ka umu wela wela.
ʻO nā pōhaku ahi Checker he mea hoʻololi wela, e pāʻani i kahi hana i ka manawa mālama wela o ka umu ahi, i ka lewa ma o ka convection heat exchange a me ka radiation heat exchange, ua wela ke ea anuanu i ka makani wela. i hoʻohana ʻia i loko o ka lumi hoʻopaʻa wela o ka umu wela, i hoʻonohonoho maʻamau ʻia ma ke ʻano hoʻonohonoho i loko o ka lumi waiho.
nā pōhaku makamae me ka puka aniani a me ka plurality o nā ʻaoʻao ʻaoʻao e like me kekahi, a ʻo ka checker refractory brick aia i loko o ka parallel ʻelua ma ka ʻili o ka puʻupuʻu kūlana a me ke awāwa kūlana. He maikaʻi ka paʻa o ka leo checker a ʻoi aku ka maikaʻi o ka hana kolo kiʻekiʻe, kiʻekiʻe a me ka porosity haʻahaʻa.
Loaʻa i nā poloka ahi Checker ka ikaika hoʻololi wela, ka nui o ka mālama ʻana i ka wela, ka hoʻoheheʻe ʻana a me ka haʻahaʻa haʻahaʻa. ʻO nā poloka checker kekahi ʻano o ka hoʻoili wela ʻana i nā pōhaku waena. Hoʻohana ʻia nā poloka checker i loko o ke keʻena mālama wela o ka umu ahi a me ka umu wela wela.
Pilikia ahi Checker | |||
'ikamu | Huihui | Index | |
HLG | LLG | ||
Al2O3 | % | ≥50 | ≥45 |
Fe2O3 | % | ≤1.6 | ≤1.6 |
ʻO ka refractoriness | ℃ | ≥1600 | ≥1600 |
ʻIke ʻia ka Porosity | % | ≤22 | ≤24 |
Paʻa nui | g/cm3 | ≥2.45 | ≥2.35 |
Ka Ikaika Ku'i anu | MPa | ≥80 | ≥60 |
ʻO ka Refractoriness ma lalo o ka ukana (0.2MPa) | ℃ | ≥1500 | ≥1400 |
Hoʻololi Linear mau (1500 ℃*2h) | % | ±0.2 | ±0.2 |
Hoʻohana nui ʻia nā pōhaku ahi i loko o ke keʻena regenerative o ka umu wela wela. E hoʻonohonoho pono i nā pōhaku lepo me kekahi ʻano a me nā lua a hiki ke hele ke kinoea i loko o nā lua i luna a i lalo. Hoʻohana ʻia ka brick checker i ka Iron and Steel Industry no ka mālama ʻana i ka ikehu me nā hiʻohiʻona wela maikaʻi loa e like me ka hoʻololi ʻana i ka wela ikaika, ka wahi mālama wela nui, ka hoʻoheheʻe ʻana, ka haʻahaʻa haʻahaʻa a me nā mea ʻē aʻe.
ʻO ka hale hana refractory RS ma ke ʻano he mea hana ʻoihana loiloi ahi ma Kina, he nui nā pono hoʻokūkū ma ka mākeke. inā loaʻa iā ʻoe ke koi o ka checker fire block, a i ʻole he nīnau ma ka checker firbrick e pili ana i nā hōʻailona kino a me nā kemika, e ʻoluʻolu e kelepona mai iā mākou no ka manuahi, e hāʻawi mākou iā ʻoe i nā pōhaku kiʻekiʻe checker efractory.