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Pingxiang Hualian Chemical Ceramic Co., Ltd.

Ụzọ atọ auto metal catalyst catalytic Ntụgharị maka ụgbọ ala niile

Nkọwa dị mkpirikpi:

Ụlọ ọrụ anyị emepụtarala nke ọma ọtụtụ ụdị nke Catalytic Converter ụzọ atọ, nke dabara maka ụgbọ ala n'ụdị ọ bụla ma zute ọkọlọtọ ikuku.Dị ka ndị ahịa na-arịọ, enwere ike inyocha ma mepụta ụdị ụdị Catalytic Ntụgharị ọ bụla.


Nkọwa ngwaahịa

Mkpado ngwaahịa

Ntụgharị Catalytic ụzọ atọ nwere ike iwepụ 90% nke ihe mmetọ atọ bụ isi (hydrocarbon, carbon monoxide na nitrogen oxide).Mmeghachi omume catalyzing zuru oke na-adabere na ogo nchekwa nke mmanụ ọkụ agwakọta na obere akụkụ nke A / F (ọnụego ikuku na mmanụ).Na naanị usoro nkịtị nke ihe mmetụta oxide na-arụ ọrụ ya, A / F a nwere ike mezuo.

Mgbe iyuzucha na-agafe iyuzucha ọkpọkọ, CO , HC , na Nox --- atọ ụdị gas na-agafe site clarifier nke reactor na ụzọ atọ Catalytic Ntụgharị , ọrụ nke gas ga-mmalite, ha. ga-adị n'okpuru mmeghachi omume oxidation na deoxidization.N'okpuru oke okpomọkụ dị otú ahụ, CO ga-agbanye n'ime gas na-enweghị agba na nsị - CO2;a ga-atụgharị ogige HC ka ọ bụrụ H2O na CO2;na Nox ga-deoxide n'ime Nitrogen.A ga-atụgharị gas atọ ahụ na-adịghị mma ka ọ bụrụ gas na-adịghị emerụ ahụ iji mee ka ikuku ahụ dị ọcha.

Na-asachapụ

A na-eji ọla ndị mara mma nke Pt, Pd na Rh kpuchie ihe na-enye anyị ohere.Mgbe ikpochapu na-agafe na-eme ka ụzọ atọ, CO, HC na NO x , a na-eme ka ọrụ nke gas dịkwuo elu n'okpuru okpomọkụ dị elu.N'ihi ya, CO ga-abụ oxidized n'ime CO 2, HC na-atụgharị na H 2 O na CO 2, na NO x na-deoxidized n'ime nitrogen.

Ọkwa

1) .Ka engine ahụ nọgide na-arụ ọrụ nke ọma ------- ezigbo A / F na nchekwa combustion.
2) .zere na mberede ima elu-amalite ụgbọ ala na-eji kasị accelerograph.
3) .The kacha mma na-arụ ọrụ okpomọkụ nke Catalyzer bụ 400 -800 ℃, ọ ekwesịghị gafere 1000 ℃;ma ọ bụghị ya, ọ ga-eme ka ịka nká dịkwuo elu ma belata oge ndụ nke Catalyzer.
4) .Ọ bụrụ na piston mebiri emebi, mmanụ ga-agbaba n'ime engine, nke ahụ ga-ebelata ọrụ nke Catalyzer.

Mmetọ ikuku na ọkọlọtọ Europe maka ụgbọ ala

Isi mmetọ iyuzucha si ụgbọ ala: HC, Nox, CO, PM. Ha na-tumadi hapụ site iyuzucha ọkpọkọ, nke, e nwere fọrọ nke nta 45% HC na obere ndị ọzọ mmetọ umi emitted site crankcase na mmanụ ụgbọala usoro.

N'ime ikpochapụ mmetọ dị n'elu, CO, ọkara nke mmepụta mmanụ ọkụ, dị njọ maka ahụike.HC, nke ụdị ọcha 200 mejupụtara, bụ mmepụta, nke a na-emekarị site na ọkara ọkụ na mmanụ ọkụ, nke nwere ihe na-egbu egbu.

Nox, nke mejupụtara kemịkalụ kemịkalụ nke N2 na O2 mejupụtara n'okpuru ọnọdụ okpomọkụ na ọnọdụ nrụgide na igbe ọkụ, na-aghọ NO2 na ikuku, nke nwere nsi siri ike dị egwu maka mmadụ na osisi, yana otu n'ime isi ihe na-etolite mmiri ozuzo acid na ikuku actinic.

PM, ihe bụ isi ya bụ anwụrụ ọkụ carbon, nke nwere nnukwu ihe kemịkalụ nwere ihe na-egbu egbu, ga-anọ ogologo oge na ngụgụ mmadụ mgbe ọ banyechara.

Dị ka nke ukwu nke ụgbọ ala na-abawanye, ihe ọjọọ na ihe ize ndụ nke mmetọ iyuzucha ụgbọ ala wetara na gburugburu ebe obibi ga-adị arọ na-esiwanye ike, si otú, mba ọ bụla na mpaghara gburugburu ụwa guzosie ike emission ịgba uru nke ụgbọ ala iyuzucha otu mgbe ọzọ, n'ime ya, European. ọkọlọtọ, EU mebere, bụ ntụaka maka ọtụtụ obodo na mpaghara.

Ihe ntụgharị catalytic gas pụrụ iche maka injin CNG

Ọ nwere àgwà ọma ndị a: Iji ụgbọ mmiri ceramics na-ebu mmanụ aṅụ nke nwere ọtụtụ uru, dị ka ọnụ ala dị ala, nrapado siri ike na ihe na-arụ ọrụ, ogologo ndụ wdg.Ịnabata ihe nlere anya nke ụwa na-adịghị ahụkebe (ihe Zirconium na Titanium) iji kwalite nguzogide okpomọkụ na ọrụ nke ihe mkpali.Ewebata Transition metal, alkaline ụwa metal na-arụsi ọrụ ike ihe onwunwe nke nta dị oké ọnụ ahịa metal nke nwere ọtụtụ mma, dị ka elu ịdị ọcha ọnụego, na ala ọkụ okpomọkụ wdg .. Ime ojiji nke ọhụrụ-style nke oxygen na-echekwa stof na-ebelata ọkụ okpomọkụ nke catalyst. na ngbanwe zuru oke.

The catalytic Ntụgharị etinyere na-emepụta site na usoro a gara aga ule nke Shanghai mba iyuzucha gas ule center na Tianjin mahadum ọkụ esịtidem-combustion engine lab, n'ihi na-egosi: iji nke a pusi nwere ike ime ka emission ọkọlọtọ iru European no.3 na izute. Usoro chọrọ ngwaahịa ihe ngbanwe chọrọ.

Ihe ntụgharị catalytic gas pụrụ iche maka injin CNG nwere akụkụ abụọ, nke na-eme ka seramiki mmanụ aṅụ na shei ọla, ihe ndị bụ isi bụ:

The iyuzucha gas na-agafe site na ihe na-eme ka seramiki mmanụ aṅụ, ihe na-arụsi ọrụ ike nke ihe na-akpata (ọtụtụ bụ metal oxide nke ụwa ndị na-adịghị ahụkebe, metal dị oké ọnụ ahịa na metal mgbanwe) na-enwe ike ime mmeghachi omume catalysed n'ụzọ zuru ezu n'okpuru ọnọdụ okpomọkụ nke 200 ruo 300 Celsius. n'elu na-atụgharị ihe na-emerụ ahụ dị ka CO, HC, NOX wdg na mmiri na-adịghị mma, carbon dioxide na nitrogen.

a.Usoro isi Isi nke mmemme a bụ usoro mkpochapụ gas na-ekpochapụ nke injin CNG, bụ nke bụ ụzọ atọ iji mebie ikuku nke injin CNG ugbu a.

Usoro mmeghachi omume kemịkal bụ isi dị ka ndị a:

Mmeghachi omume oxidation: HC+O2=H2O+CO2

Mmeghachi omume deoxidization: Nox+HC+CO=N2+H2O+CO2

Ngwa

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Usoro mmepụta:

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