He aha ke ʻano lapaʻau maikaʻi no ka ʻili o kapā kaulahao? ʻO ka pīpī ʻana i ka plastic kahi ʻano hana lapaʻau maʻamau no nā pā hale kūʻai. ʻO ka pīpī ʻana i ka plastic, ka pollution ʻole i ke kaiapuni, non-toxic i ke kaiapuni, non-toxic i ke kino o ke kanaka, ʻoi aku ka maikaʻi o ka uhi ʻana i ke ʻano, ka paʻa ikaika, ka ikaika mechanical kiʻekiʻe, ka manawa hoʻōla pōkole, ke kiʻekiʻe kiʻekiʻe a me ka pale ʻana i ka lole, maʻalahi ke kūkulu ʻana, nā koi ʻenehana no nā limahana Haʻahaʻa haʻahaʻa, a ʻoi aku ke kumukūʻai ma mua o ke kaʻina hana.
Hiki ke hoʻokaʻawale ʻia ka plastic impregnated i ʻelua mau mea maka, ka wai a me ka pauka. ʻOi aku ka nui o ka mānoanoa o ka uhi ʻana ma mua o ke kaʻina hana hoʻoheheʻe, a maikaʻi ke kūpaʻa corrosion. Hoʻohana pinepine ʻia no ka mālama ʻana i ka pā o waho o ka lumi.
Ua kapa ʻia ʻo Hot-dip galvanizing a me hot-dip galvanizing: he ala kūpono ia no ka pale ʻana i ka metala. Aia ma kahi o 500 degere Celsius i ka zinc hehee o ke kila ma hope o ka wehe ʻana i ka ʻōpala, no laila ke ʻano kila a me ka ʻili o ka papa zinc No laila, ʻo ke kumu o ka anti-corrosion. Loaʻa i ka Hot-dip galvanizing nā mea maikaʻi o ka uhi zinc mānoanoa, lōʻihi ka paʻakai paʻakai a me ka ikaika o ka corrosion. Hoʻohana nui ʻia ia i ka pale ʻana i ka corrosion o nā mea hana ʻoihana, e like me ka mālama ʻana o nā alahaka uwea, nā hale kiaʻi mana, a me nā alahaka kila. ʻOi aku ka kiʻekiʻe o ka pale ʻana o ka galvanizing wela ma mua o ka galvanizing anu.
Ua kapa ʻia ʻo Cold galvanizing. Hoʻohana ia i nā lako electrolysis e wehe i ka ʻaila, pickling, a laila hoʻokomo i loko o ka wai paʻakai zinc, a hoʻohui i ka electrode maikaʻi ʻole o nā mea hana electrolysis. Hoʻokomo ʻia ka pā zinc ma kekahi ʻaoʻao o ka paipu a pili i ka cathode o ka mea electrolysis. ʻO ka neʻe ʻana o kēia manawa mai ka electrode maikaʻi a i ka electrode maikaʻi ʻole e pohō i luna a i lalo i ka paipu. Hoʻokomo ʻia kahi papa o ka zinc, hoʻomaʻamaʻa ʻia ka paipu anu a hoʻopaʻa ʻia.
ʻO ke ʻano lapaʻau ili opā kaulahaoʻO nā kaʻina hana like ʻole e like me ka alkaline degreasing, ka holoi wai maʻemaʻe, ka holoi ʻana i ka waika, ka holoi wai wela, ka cathode degreasing, kemika degreasing, a me ka hoʻoulu ʻana i ka waikawa.
Ka manawa hoʻouna: Jun-04-2021