DPFCov lim dej yog ib hom phab ntsa-flow monolith, cov channel qhib rau ib sab, tab sis ntsaws rau lwm sab. nws yuav raug ntsia rau hauv lub tshuab tso pa tawm ntawm lub tsheb diesel, kom txo cov khoom me me (PM) ntawm cov pa tawm los ntawm kev ntes. Cov khoom tseem ceeb ntawm cov pa tawm ntawm lub cav Diesel yog cov khoom me me (PM), carbon monoxide (CO) thiab hydrocarbons (HC), Cov lim dej Diesel Particulate tuaj yeem txo lawv los ntawm 90+% ntawm cov cav diesel
Cov khoom ntawm lub cev
| Khoom No. | Khoom | Chav tsev | Cov ntaub ntawv | |
| 1 | Coefficient ntawm thermal expansion | 10-6/k | ≤1.2 | |
| 2 | Lub zog compressive | Ib txoj kab | Mpa | >9 |
| B axis | >3 | |||
| 3 | Kev nqus dej | % | >30,>40 | |
| 4 | Pom tseeb porosity | % | >40,>50 | |
| 5 | Qhov nruab nrab ntawm qhov pore loj | ɥm | 10±3,18±3 | |
| 6 | Kub mos | ℃ | >1360 xyoo | |
| 7 | Qhov ceev ntawm qhov tsos | g/l | 400-480 | |
| 8 | Kev tiv thaiv thermal poob siab | - | 650℃ voj voog 3 zaug yam tsis muaj kev tawg | |
| 9 | Cov ntsiab lus Cordierite | % | >90 | |
Qhov loj me
| Hom | Duab | Qhov ceev | Thickness (hli) | Txoj kab uas hla sab nraud | Kev kam rau siab (hli) |
| Cordierite DPF (Symmetry) | Plaub fab | 100 | 0.36-0.4 | 150 | 50-320 |
| Lub voj voog | 100-300 | 0.2-0.4 | 80-305 | 50-305
| |
| Oval, Txoj Kev Khiav | Kho kom haum | ||||
| Cov duab tshwj xeeb | |||||
| Cordierite DPF (asymmetric) | Lub voj voog | 300 | 0.2-0.25 | Kho kom haum | |
| Oval, Txoj Kev Khiav | |||||
| Cov duab tshwj xeeb |
Yog tias DPF raug txheej nrog cov hlau muaj nqis (xws li Pt, Pd thiab Rh), cov pa luam yeeb dub nrog cov pa roj carbon los ntawm lub cav diesel hla dhau lub raj tshwj xeeb thiab nkag mus rau hauv lub lim. Cov pa luam yeeb carbon raug nqus mus rau lub lim ua los ntawm cov hlau fiber, thaum hla lub lim sab hauv thiab lub hnab lim. Thaum cov pa luam yeeb nqus tau qee qib, lub qhov cub tom qab yuav raug hlawv kom hlawv tau. Hauv qhov no, cov pa luam yeeb uas nqus tau raug hlawv tawm thiab hloov mus ua CO2 tsis muaj tshuaj lom ces tso tawm. Lub cuab yeej tag nrho yog tsim los ua ob chav tsev, thiab kev lim thiab rov ua dua tshiab mus rau ntau thaj chaw sib txawv, ua rau lawv tsis cuam tshuam. Lub kaw lus tuaj yeem ua haujlwm tau txhua yam kev ua haujlwm ntawm lub cav. Tshwj xeeb tshaj yog ua los ntawm cov lim dej ua los ntawm cov khoom siv ...
| Loj | CPSI | Ntim (L) |
| φ118 * 152.4 | 100/200 | 1.67 |
| φ118 * 254 | 100/200 | 2.78 |
| φ127 * 152.4 | 100/200 | 1.93 |
| φ127 * 180 | 100/200 | 2.3 |
| φ127 * 254 | 100/200 | 3.22 |
| φ144 * 152.4 | 100/200 | 2.49 |
| φ144 * 203 | 100/200 | 3.31 |
| φ144 * 254 | 100/200 | 4.44 |
| φ144 * 305 | 100/200 | 4.97 |
| φ190 * 152.4 | 100/200 | 4.32 |
| φ190 * 203 | 100/200 | 5.76 |
| φ190 * 305 | 100/200 | 8.65 |
| φ240 * 240 | 100/200 | 10.9 |
| φ240 * 305 | 100/200 | 13.8 |
| φ250 * 305 | 100/200 | 14.97 |
| φ267 * 254 | 100/200 | 14.22 |
| φ267 * 267 | 100/200 | 14.95 |
| φ267 * 305 | 100/200 | 17.07 |
| φ286 * 305 | 100/200 | 19.6 |
| φ286 * 355 | 100/200 | 22.8 |
| φ305 * 305 | 100/200 | 22.28 |
| φ330 * 381 | 100/200 | 32.59 |
Lub sijhawm tshaj tawm: Lub Kaum Ob Hlis-25-2025