ʻO ke kumu hana o ka catalytic converter ʻekolu ala: i ka wā e pau ai ka wela kiʻekiʻe o ke kaʻa ma o ka mea hoʻomaʻemaʻe, e hoʻomaikaʻi ka mea hoʻomaʻemaʻe i ka mea hoʻololi catalytic ʻekolu i ka hana o nā ʻano ʻekolu o ke kinoea CO, hydrocarbons a me NOx, e paipai i kona oxidation - ho'ēmi kemika hopena, i ka CO oxidation ma kiʻekiʻe wela lilo colorless, non-toxic carbon dioxide kinoea; Hoʻoheʻe ʻia nā hydrocarbons i ka wai (H2O) a me carbon dioxide ma nā wela kiʻekiʻe; Hoʻemi ʻia ka NOx i ka nitrogen a me ka oxygen. ʻEkolu ʻano kinoea ʻino i loko o ke kinoea kino ʻole, i hiki ke hoʻomaʻemaʻe ʻia ka pauka kaʻa. Ke manaʻo nei aia ka loaʻa ʻana o ka oxygen, kūpono ka ratio ea-wahie.
Ma muli o ka maikaʻi ʻole o ka wahie ma Kina, aia ka sulfur, phosphorus a me ka MMT antiknock agent he manganese. ʻO kēia mau mea kemika e hana i nā mea paʻakikī ma luna o ka ʻili o ka mea ʻike oxygen a i loko o ka mea hoʻololi catalytic ʻekolu me ka hoʻokuʻu ʻia ʻana o ke kinoea ma hope o ka puhi ʻana. Eia kekahi, ma muli o nā hana hoʻokele maikaʻi ʻole o ka mea hoʻokele, a i ʻole ka lōʻihi o ke kaʻa ʻana ma nā alanui congested, pinepine ka mīkini i kahi kūlana hoʻopau ʻole, kahi e hoʻohui ai i ke kalapona i loko o ka oxygen sensor a me ʻekolu ala catalytic converter. Eia kekahi, nui nā wahi o ka ʻāina e hoʻohana i ka ethanol gasoline, he ikaika ka hoʻomaʻemaʻe hoʻomaʻemaʻe, e hoʻomaʻemaʻe i ka unahi i loko o ke keʻena kuni akā ʻaʻole hiki ke decompose a puhi, no laila me ka hoʻokuʻu ʻia ʻana o ke kinoea ʻōpala, e waiho pū ʻia kēia mau lepo ma ka ili o ka oxygen sensor a me ka ekolu-ala catalytic converter. Ma muli o nā kumu he nui e hana ai i ke kaʻa ma hope o ke kaʻa ʻana no ka manawa o nā mile, ma ka hoʻohui ʻana o ka carbon accumulation i loko o ka valve intake a me ke keʻena combustion, e hoʻopiʻi hoʻi ia i ka sensor oxygen a me nā ala ʻekolu catalytic converter poisoning poisoning, ʻekolu-ala. catalytic converter blockage a me EGR valve i ālai ʻia e ka sediment stuck a me nā hemahema ʻē aʻe, e hopena i ka hana ʻino ʻole o ka mīkini, ka hopena o ka hoʻonui ʻana i ka wahie, ka emi ʻana o ka mana a me ka pau ʻana ma mua o ka maʻamau a me nā pilikia ʻē aʻe.
ʻO ka mālama maʻamau o ka mīkini kuʻuna i kaupalena ʻia i ka mālama kumu o ka ʻōnaehana lubrication, ʻōnaehana intake a me ka ʻōnaehana hoʻolako wahie, akā ʻaʻole hiki ke hoʻokō i nā koi mālama piha o ka ʻōnaehana lubrication mīkini hou, ʻōnaehana intake, ʻōnaehana lako wahie a me nā ʻōnaehana exhaust, ʻoi aku ka pono o ka mālama ʻana o ʻōnaehana hoʻokuʻu. No laila, ʻoiai ke kaʻa i ka mālama maʻamau no ka wā lōʻihi, paʻakikī ke pale i nā pilikia ma luna.
I ka pane ʻana i ia mau hewa, ʻo nā hana i hana ʻia e nā ʻoihana mālama e hoʻololi i nā mea ʻike oxygen a me nā mea hoʻololi catalytic ʻekolu. Eia nō naʻe, ma muli o ka pilikia o ke kumukūʻai hoʻololi, hoʻomau ka hoʻopaʻapaʻa ma waena o nā ʻoihana mālama a me nā mea kūʻai aku. ʻOi aku ka poʻe ʻaʻole i ke ola lawelawe o ka hoʻololi ʻana i nā mea ʻike oxygen a me nā mea hoʻololi catalytic ʻekolu, ʻo ia ka mea nui o ka hoʻopaʻapaʻa, ʻoi aku ka nui o nā mea kūʻai aku i ka pilikia i ka maikaʻi o ke kaʻa.
