SCR (Selective Catalytic Reduction): Kuita uye Benefits

Selective catalytic reduction ikemikari inoita inoshandura nitrogen oxides kuita mhute yemvura uye nitrogen. Pamotokari dzine injini yedhiziri, iyo SCR (selective catalytic reduction) system inowanikwa pamhepo uye inoderedza kusvibiswa zvinoenderana nezvinodiwa zveEuro 6 standard.

🔎 Chii chinonzi SCR system?

the system SCR, nokuda kwekusarudza kudzikisa kuderedza, inonziwo selective catalytic reduction MuchiFrench. Iyo tekinoroji inoderedza kuburitswanitrogen oxides (NOx) mota, marori, pamwe nemota.

NOx ane chepfu greenhouse magasi. Zvinobatsira zvakanyanya mukusvibiswa kwemhepo uye zvinomuka kunyanya kubva mukupiswa kwemafuta emafuta akadai sepeturu, asi kunyanya mafuta edhiziri.

Kubva pakutanga kwayo chiyero chekudzivirira kusvibiswa kweEuro 6 Muna 2015, zvikumbaridzo zvitsva zve nitrogen oxide emissions zvakagadzirirwa motokari. Iyo SCR system zvishoma nezvishoma yakapararira uye ikozvino inoshandiswa mumotokari zhinji.

Kubva 2008, kubvira kushandiswa kweiyo yapfuura Euro 5 standard, marori akashongedzerwa neSCR system. Nhasi ndipo pakasvika motokari itsva dzedhiziri dzakabva pakambani iyi mumakore achangopfuura.

Selective catalytic kuderedza inzira inobvumira Shanduko yeNOx kuita nitrogen uye mhute yemvura, zvigadzirwa zvisingakuvadzi uye zvakasikwa zvachose. Kuti uite izvi, iyo SCR system inoita kemikari inopindirana mukubuda, nzira ye nitrogen oxides uye isati yaburitswa.

Iyo SCR system inobva yatsiva chinokonzera classic, iyo inoshandiswawo kushandura anosvibisa uye ane muchetura magasi ari mumagasi ekuburitsa kuita zvinosvibisa zvishoma zvichienderana neimwe mhando yemakemikari reaction: redox kana catalytic.

⚙️ SCR inoshanda sei?

SCR imhando ye catalyst. Selective catalytic reduction ikemikari inoita inoshandura NOx kuita nitrogen uye mhute yemvura kuderedza nitrogen oxide emissions uye nekudaro kusvibiswa kubva mukupisa muinjini yekupisa.

Kune izvi, iyo SCR inoshanda nekutenda kuneAdBlue, mvura inobayiwa nehurongwa mumhepo inobuda. AdBlue inosanganisira demineralized mvura uye urea. Kupisa kwegasi rekubuda kunoshandura AdBlue kuita ammonia, izvo zvinogadzira kuita kwemakemikari kunodiwa kushandura nitrogen oxides kuita nitrogen uye mhute yemvura.

Iyo SCR system inoda kuiswa AdBlue tank... Iri tangi rakagadzirirwa iyi mvura uye saka inosarudzika kumotokari: inowedzerwa kune tangi yemafuta. Inogona kunge iri pedyo neyokupedzisira, pazinga rejini kana mumotokari yemotokari.

Sezvo AdBlue inopedzwa zvishoma nezvishoma neSCR, zvinodikanwa kuwedzera mvura nguva nenguva. Izvi zvinogona kuitwa mugaba kana nepombi yeAdBlue pamusangano.

Kubva 2019, dzimwe mota dzakashongedzerwa neSCR Evolution System. Panzvimbo peimwe catalyst, motokari ine imwe. два : imwe pedyo nejini, imwe pazasi. Izvi zvinobvumira kudzora kuri nani kwekuburitswa kwezvinosvibisa.

⚠️ Ndezvipi zvinokundikana zvingasangana neSCR?

Iyo SCR system inogona, kunyanya, kuve pasi pemhando mbiri dzekutadza:

• Le kushaikwa kweAdBlue ;
• L 'clogged catalyst SCR.

AdBlue inowanikwa mune yakakosha tangi, iyo pamotokari dzichangoburwa inowanzowanikwa pedyo netangi yemafuta, ine chivharo pasi pechivharo chekuzadza. AdBlue kushandiswa kunenge 3% kushandiswa kwedhiziriuye chiedza chenyevero chinobatidzwa padashibhodhi kana uchingosara nemakiromita 2400 isati yasvava.

Kana iwe ukasawedzera AdBlue, iyo SCR ichamira kushanda. Asi zvakakomba, mota yako ichave isingafambi. Unoisa pangozi handikwanise kutanga.

Rimwe dambudziko neiyo SCR system, kuvharika, ine chekuita necatalyst performance, senge yakajairika catalyst. Somugumisiro wekuita kwemakemikari kunokonzerwa nehurongwa, cyanuric acid inogadzirwa, iyo inogona kuunganidza mu SCR. Zvino inoda kukweshwa kuti ichenese exhaust.

Kana yako yekusarudzika yekudzikisa system yakasvibiswa, uchaona zvinotevera zviratidzo:

• Injini simba rinodonha ;
• Injini iri kukachidzwa ;
• Kunyanya kushandisa mafuta.

Muchiitiko ichi, usamirira kuti SCR system icheneswe. Zvikasadaro, uchafanira kuchichinja. Nekudaro, maSCRs anodhura zvakanyanya.

Ndizvozvo, iwe unoziva zvese nezve SCR! Sezvawaitonzwisisa, iyi system yave kupararira mumotokari pamotokari dzedhiziri kuderedza kusvibiswa kwavo... Nhasi chave chombo chakakosha mukurwisa nitrogen oxides, magasi ane simba regreenhouse effect.