Catalyst mutakuri cordierite uchi Ceramics yeDOC

Tsanangudzo Pfupi

Ceramic honeycomb substrate (catalyst monolith) rudzi rutsva rwemaindasitiri ceramic chigadzirwa, secatalyst inotakura iyo inoshandiswa zvakanyanya mumotokari emission yekuchenesa system uye indasitiri inopedza gasi kurapwa system.

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Catalytic inoshandura substrate yemotokari:

chinhu chayo chikuru chinoumbwa necordierite uye simbi isina tsvina yesimbi
Izvo zvinhu zvecatalytic converter substrate ndeye cordierite. Iyo yepanyama cordierite iripo isingawanzo kuwanikwa mumasikirwo, saka mazhinji e
cordierite zvinhu zvakagadzirwa nevanhu. Iwo makuru maficha eiyo cordierite yakaderera thermal yekuwedzera coefficient, yakanaka thermal
shock resistance, high anti-acid, anti-alkali uye antii-erosion function uye yakanaka mechanical simba.
Iyo yakajairika CPSI ye catalytic converter substrate inosvika mazana mana.
chimiro chakakosha maererano nezvinodiwa nemutengi kuitira kuti asangane nemhando dzakasiyana dzemotokari zvinodiwa.

Zvivakwa zvehuchi Ceramics

Item	Unit	Alumina Ceramic	Dense Cordierite	Cordierite	Mullite
Density	g/cm3	2.68	2.42	2.16	2.31
Bulk Density	kg/m3	965	871	778	832
Thermal Kuwedzera Coefficient	10-6/k	6.2	3.5	3.4	6.2
Specific Heat Capacity	j/kg·k	992	942	1016	998
Thermal Conductivity	w/m·k	2.79	1.89	1.63	2.42
Thermal Shock Resistance	Max K	500	500	600	550
Kunyorova Tembiricha	℃	1500	1320	1400	1580
Maximum Service Temperature	℃	1400	1200	1300	1480
Avhareji Yekupisa Kugona	w/m·k/m3·k	0.266	0.228	0.219	0.231
Kutorwa kwemvura	%	≤20	≤5	15-20	15-20
Acid Resistance	%	0.2	5.0	16.7	2.5