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Mene ne wani catalytic Converter

All zamani mota shaye tsarin hada da wani catalytic Converter. Wannan na'urar da aka tsara don rage watsi da abubuwa masu cutarwa daga shaye gas zuwa yanayi. A catalytic Converter aka yi amfani a matsayin dizal ikon raka'a, kazalika a kan man fetur. Tabbatar da ko nan da nan bayan da shaye da yawa, ko kai tsaye zuwa ga zanen wuya. A neutralizer na shaye gas hada da wani m naúrar, da thermal rufi daga cikin gidaje.

na'urar

Babban kashi ne dauke toshe m. An sanya daga wani mai tsaurin yumbu. The zane na irin wannan block qunshi wani jam'i na tsaye Kwayoyin, ma kara yanki na lamba tare da shaye gas. Su surface ne mai rufi da musamman abubuwa, catalysts (palladium, platinum da azurfa). Tare da wadannan abubuwa, akwai wani hanzari na sinadaran halayen.

Palladium da platinum ne hadawan abu da iskar shaka mai kara kuzari. Su samar da hadawan abu da iskar shaka na hydrocarbons da, daidai da, inganta hira da carbon monoxide, carbon dioxide da water vapour. A rage mai kara kuzari ne Rhodium. Ana amfani da rage nitrogen oxides cikin m nitrogen. Sai dai itace cewa da iri uku catalysts a shaye gas an rage abun ciki na uku daban-daban abubuwa masu cutarwa. Saboda haka, irin wannan na'urar da aka kira wani uku-hanyar catalytic Converter.

Block m located in wani karfe gidaje. Tsakanin su ne zafi-insulating Layer. A kara kuzari jiki ne oxygen haska.

Ingantaccen aiki na na'ura in tambaya aka kai a zazzabi na 300 ° C, sa'an nan game da kashi 90 cikin dari jinkirta cutarwa abubuwa (ga wannan catalytic Converter aka shigar nan da nan bayan da shaye da yawa).

Features

A catalysts ne quite tasiri a rage shaye gas yawan guba da kuma ta haka ne da kusan babu wani sakamako a kan engine iko da man fetur amfani. Tare da wannan na'urar baya matsa lamba ƙaruwa dan kadan a sakamakon da abin hawa ikon naúrar hasarar 2-3 lita. wani. Rubuce shaye kara kuzari iya wuce har abada, saboda daraja karfe a lokacin sinadaran halayen ana bai ƙone ba. Duk da haka, kamar yadda yi nuna, da rayuwar wadannan na'urorin yana da iyaka.

Alal misali, daya daga cikin guje Sanadin gazawar converters - wani m yumbu Kwayoyin, wanda daga kaifi shake (idan mota a kan gudun bumps, da dama a cikin wani pothole ko chirknet jiki ga wani abu mai kara kuzari) za a iya halaka ta, wadda take kaiwa zuwa da gazawar da ya ce na'urar. Yanzu mun fara bayyana converters, wanda maimakon yumbu - ƙarfe monolith. Su ne mafi resistant zuwa lalacewa. Wani dalilin gazawar da catalytic Converter - ne man fetur. Leaded fetur ne mai arziki tetraethyl gubar cewa "pickle" surface Kwayoyin. A sakamakon haka, duk halayen gushe. A na gaba, maƙiyi ne mai kara kuzari abun da ke ciki na ba daidai ba man fetur. Saboda haka, a cakuda dauke da wani ƙara adadin hydrocarbons, halakarwa a na'urar, kuma Yanã da wani kaifi ma talakawa zafi fiye da kima, wanda zai iya kai ga halaka da monolith. Ba kasa da haɗari, kuma kaifi zazzabi canje-canje, kamar a lokacin da cikin abin hawa shiga cikin kududdufi. Yana kuma iya lalata yumbu.

A general, da catalytic Converter, kazalika a kan wani inji shafi aiki da yanayi.

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