ʻO ka Liner Rubber Alumina Ceramic Kūpaʻa i ke kapa komo: He hopena kūpono no ka pale ʻana i ka lole ʻoihana

ʻO kaliner laholio keramika alumina kūpaʻa ʻaʻahuHe mea hui i hoʻohana nui ʻia ma ke kahua o ka pale ʻana i ka ʻaʻahu ʻoihana. Hoʻolōʻihi maikaʻi ia i ke ola lawelawe o nā lako ma lalo o nā kūlana paʻakikī ma ka hoʻohui ʻana i ke kūpaʻa kiʻekiʻe o ka alumina ceramic me nā waiwai cushioning o ka rubber. Hoʻohana kēia liner i ka alumina ma ke ʻano he mea maka nui, me ka hoʻohui ʻana o ka pauka ceramic a me ka silicon oxide, sintered ma nā mahana kiʻekiʻe a puni 1700°C. ʻAʻole emi iki kona ʻike alumina ma mua o 95%, hiki i ka density ke 3.5-3.9 g/cm³, a ʻo ka paʻakikī Rockwell e like me HRA85-90, e hōʻoiaʻiʻo ana i ke kūpaʻa ʻaʻahu maikaʻi loa. I nā noi hana, hōʻike kēia liner i kahi ʻano hui multi-layer: ʻo ka papa luna he alumina ceramic, ʻo ka waena he papa rubber, a ʻo ka lalo he papa kila kākoʻo. Hoʻopaʻa paʻa ʻia kēia mau papa ʻekolu ma o ke kaʻina hana vulcanization, e hana ana i kahi ʻōnaehana pale ʻaʻahu i hoʻohui ʻia.

ʻO ka hana koʻikoʻi o kēia liner composite e hōʻike ʻia ana ma nā ʻano he nui: ʻO ka mea mua, he maikaʻi loa kona kūpaʻa ʻana i ka ʻaʻahu ʻana, me ka paʻakikī o ka alumina corundum ceramic e piʻi ana ma luna o HRA85, a ʻoi aku ka paʻakikī o ka ʻaʻahu ma mua o 200 mau manawa o ke kila kalapona maʻamau. ʻO ka lua, he kūpaʻa hopena maikaʻi ka huahana. Ma o ke ʻano keramika paʻakikī a me ka hoʻolālā poepoe kū hoʻokahi, i hui pū ʻia me ka papa buffer rubber, hiki iā ia ke pale pono i ka hopena o nā mea nui. ʻO ke kolu, he kūpaʻa wela maikaʻi ka liner a hiki ke hana paʻa i loko o kahi mahana o 0°C a 250°C no nā wā lōʻihi. Eia kekahi, hoʻohana ka papa rubber i kahi ʻano kūikawā me ke kūpaʻa waikawa a me ka alkali, hiki ke kū i ka pala i nā wahi waikawa nāwaliwali a me nā wahi alkaline nāwaliwali. E pili ana i nā waiwai kino, ʻo ka ikaika compressive o ka liner he ≥850 MPa, ka paʻakikī haki KΙC ≥4.8 MPa·m1/2, ka ikaika hoʻopaʻa ma waena o ka rubber a me ka ceramic (shear stress) ≥3.0 MPa, a ʻo ke ola ʻelemakule o ka rubber he ≥15 mau makahiki, e hōʻoiaʻiʻo ana i ka hilinaʻi lōʻihi o ka huahana.

Hoʻohana nui ʻia nā liners rubber alumina pale ʻaʻahu i nā ʻoihana ʻoihana, ʻo ia hoʻi me nā ʻōnaehana lawe lanahu ahi, nā hoppers mea kanu kila, nā mine chutes, nā lako holoi lanahu, nā ʻōnaehana lawe hale sima, a me nā wahi ʻē aʻe i hoʻopau nui ʻia. I nā noi hana, ua māhele ʻia nā liners i nā ʻano like ʻole e like me ka bonded, welded, a me ka rubber composite, me nā kikoʻī like ʻole e like me ka rectangular paʻa, me nā lua poepoe, a me nā paipu trapezoidal. Hiki ke ʻoki a kulou ʻia e like me ke ʻano o nā lako, e hoʻokō ana i nā pono hoʻonohonoho no nā lako kūikawā. Hoʻomaʻalahi ka hoʻolālā modular i ka hoʻonohonoho maʻalahi a me ka hoʻololi ʻana, e hōʻemi nui ana i ka manawa mālama lako a me nā kumukūʻai. Ma ka papahana hoʻololi ʻenehana mining akamai ʻōmaʻomaʻo 4.5 miliona tone o Dundee Mining, ua hoʻohana ka ʻōpala wili i nā liners keramika kiʻekiʻe me ka ʻike alumina maikaʻi K95 ≥95% a me ka density ≥3.8 g/cm³, e hōʻike ana i kona hilinaʻi i nā papahana ʻoihana nui.