MAKAHIKI TON KEMIKALE E kālele ana ma ka alumina kemika

mea maka aniani photovoltaic (PV glass)

ʻO nā mea nui o ke aniani photovoltaic: silica one, soda ash, dolomite, limestone, alumini hydroxide, mirabilite, sodium nitrate, sodium pyroantimonate, a me kekahi aniani haki i hana hou ʻia. Ma muli o nā koi kūikawā no ka hoʻoili māmā o ke aniani photovoltaic, pono pinepine ʻia ka haʻahaʻa o ka hao o kēlā me kēia mea maka, a he haʻahaʻa ka hao o ka mea maka, i mea e loaʻa ai ka hoʻoili māmā kiʻekiʻe.

1. Ke one silica, ka ʻāpana nui o ka silica, ke kumumanaʻo koho hale hana maʻamau

11 Kiʻekiʻe ka nui o ka SiO2 a me ke kūpaʻa.

1.2 Haʻahaʻa ka ʻike Fe2O3 a me Al2O3 a paʻa.

1.3 ʻAʻohe ʻāpana refractory, e like me chromite a me nā mea haumia ʻē aʻe.

1.4 Ka nui kūpono o nā ʻāpana, ʻaʻohe ʻāpana nui a nui loa ka pauka maikaʻi.

1.5 Paʻa ka makū o ka wai.

Nā koi kuhikuhi kikoʻī

A. Ka hoʻohuihui kemika:

ʻIkepili SiO2 Al2O3 Fe2O3 LOI ka makū
% ≥99.3±(0.4) ≤0.3±(0.1) ≤0.008 ≤0.15 ≤5.0

Inā he hale mālama homogenizing, hiki ke hoʻomaha kūpono ʻia ka kaohi wai a me ka hoʻomalu ʻana e hoʻokō i nā koi o ka hānai ʻana i loko o ka waihona homogenizing.

 

B. Ka hoʻolaha ʻana o nā ʻāpana

mm 1.0 0.71 0.50 0.125 -0.125
% ʻAʻohe ≤ʻAʻohe ≤5.0 ≥90.0 ≤10.0

Ma ke ʻano o ka hoʻolaha ʻana o ka nui o nā ʻāpana, hōʻike kekahi mau palapala e hiki ke hoʻomaha kūpono ʻia ke kūlana pauka maikaʻi i 15%, akā pono e noʻonoʻo ʻia ke ʻano o ka umu. Inā he umu oxygen āpau, hiki ke hoʻomaha kūpono ʻia, ʻoiai inā he umu ea, ʻaʻole pono e hoʻomaha ʻia, i mea e pale aku ai i nā hemahema o ka pauka maikaʻi e pani ana i ka lattice a lele aku e hana ana i nā hemahema keʻokeʻo. ʻO ke kiko heheʻe o ke one silica he > 1800 ℃. Inā he mau ʻāpana nui aʻe, hiki ke kū mai ke kūlana o ka ʻole o ka heheʻe (ma muli o ka nui o ka traction a me ka helu heheʻe o ka umu).

I kēia manawa, ʻo nā kumu nui o ke one silica: ʻo Fengyang, ʻo Anhui Province, Wenchang, Hainan Province, Hepu, Beihai, Zhanjiang, a me Heyuan area. Ma waho, aia i kēia manawa ke one Indonesia, Malaysian, Vietnamese a me Australia. Ma fengyang a me heyuan vein quartz ore quality e like me nā manawa hope loa no ka kaolin elutriation i hana ʻia ke one gravel e kuʻi hou ana (e like me hepu, zhanjiang one), ʻo ia hoʻi ke one kai (ʻaʻole i wehe a hōʻemi paha ka titanium dioxide, aia kekahi ʻino o ka umu, a hiki i nā koena titanium dioxide i loko o ke aniani ke alakaʻi i ka hoʻokuʻu ʻana o ka mālamalama uv i ke aniani).

2. ʻO ka soda soda, nā hale hana aniani e koho maʻamau i ka soda soda kaumaha, ʻo ia ka ʻāpana nui o ka sodium carbonate, e pāʻani i kahi hana i ka hoʻopili ʻana, kona granularity a me ke one silica i loko o kahi pilina, nā koi hale hana maʻamau o nā kūlana maikaʻi soda soda a me nā loina koho penei:

2.1 ʻIke kiʻekiʻe o ka Na2CO3

2.2 Ka haʻahaʻa o ka ʻike o NaCl a me Fe2O3

2.3 Ka nui kūpono o nā ʻāpana a ʻaʻohe mea haumia a me ka caking.

Nā koi kuhikuhi kikoʻī

A. Nā koi mea hoʻohui:

ʻIkepili Na2CO3 NaCl Poho Fe2O3
% ≥99.0 ≤0.50 ≤0.50 0.0030

5. ʻO ka aluminiuma hydroxide, hāʻawi nui i nā ʻāpana alumina, ka ikaika o ke aniani e hoʻoikaika i ke kuleana, akā ʻo ka nui o ka ʻike alumina e alakaʻi i ka wehewehe ʻana o ke kūlana maikaʻi ʻole, pono e makaʻala e hoʻonui, nā koi ʻoihana maʻamau o ka ʻike alumina aniani photovoltaic ma 0.95-1.05% a pēlā paha, hiki ke loaʻa ka hana ʻoki maikaʻi a me nā koi ikaika. No ka mea, ʻoi aku ka maʻalahi o ka hoʻoheheʻe ʻana o ka alumini hydroxide ma mua o ka alumina, a hiki ke hana i nā mole wai e hoʻokuʻu, hoʻonui i ka wehewehe ʻana, no laila ʻo ka hapa nui o ka hale hana ke koho ʻia o ka alumini hydroxide ma ke ʻano he mea maka e hoʻolauna i ka haku mele alumina. Eia nō naʻe, ua hōʻike ʻia nā haʻawina hou e hiki ke hoʻohana ʻia ka pauka alumina ultrafine ma ke aniani photovoltaic me ka ʻole o ka hoʻopilikia ʻana i ka maikaʻi o ke aniani. Hoʻohana ʻia ka mea maka i nā ʻano o ka nui o nā ʻāpana liʻiliʻi a ʻoi aku ka nui ma mua o ka ikehu o ka ʻili. Kumumanaʻo koho o ka mea kanu alumini hydroxide:

5.1 Pono ke kiʻekiʻe o ka nui o ka alumini oxide, pono ke kiʻekiʻe o ka alumini hydroxide

5.2 Koi haʻahaʻa o ka ʻike Fe2O3

5.3 ʻAʻohe haumia a ʻaʻohe caking.


Ka manawa hoʻouna: ʻApelila-26-2021
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