Marine Urea Solution

Marine urea tov, feem ntau hu ua AUS40 (Aqueous Urea Solution 40%), yog ib qho tseem ceeb hauv kev txo cov nitrogen oxide (NOx) emissions los ntawm marine diesel xyaw. Qhov kev daws teeb meem zoo ib puag ncig no ua lub luag haujlwm tseem ceeb hauv kev ua kom tau raws li cov cai nruj me ntsis los ntawm International Maritime Organization (IMO).

Raw Material Preparation: Cov khoom siv raw rau marine urea tov yog high-purity urea thiab deionized dej. Urea feem ntau yog los ntawm cov txheej txheem kev lag luam, xws li ammonia synthesis.

Urea Dissolution: Cov txheej txheem tsim khoom pib los ntawm kev ua kom tiav cov khoom urea granules hauv dej deionized. Cov kauj ruam no yog ua nyob rau hauv ib tug tshwj xeeb tsim dissolution tank nruab nrog agitators kom tiav dissolution ntawm urea.

Concentration Adjustment: Lub concentration ntawm cov tshuaj yog ua tib zoo saib xyuas thiab kho kom ua tiav qhov xav tau 40% urea cov ntsiab lus. Qhov no suav nrog kev tswj xyuas meej ntawm cov txheej txheem sib xyaw thiab kev soj ntsuam tas li siv cov cuab yeej tshuaj ntsuam xyuas.

Lim: Cov tshuaj yog lim kom tshem tawm cov impurities lossis undissolved hais. Qhov no ua kom cov khoom kawg yog cov purity siab, uas yog qhov tseem ceeb rau kev ua haujlwm zoo ntawm kev xaiv catalytic txo (SCR) systems.

Kev Tswjhwm Zoo: Cov tshuaj lim tau dhau los ntawm kev tswj xyuas nruj kom ntseeg tau tias nws ua tau raws li qhov xav tau tshwj xeeb. Cov kev ntsuas xws li urea concentration, purity, thiab tsis muaj cov kab mob kis tau raug kuaj kom zoo.

Cia thiab ntim: Cov khoom kawg yog khaws cia rau hauv lub tso tsheb hlau luam uas ua los ntawm cov khoom siv corrosion-resistant. Tom qab ntawd nws tau ntim rau hauv cov thawv tsim nyog, xws li IBC (Intermediate Bulk Containers) lossis cov nruas me me, npaj rau kev faib rau cov nkoj hauv hiav txwv.

Txhaj rau hauv Cov Dej Ncua Dej: Marine urea tov yog txhaj rau hauv cov dej ntws ntawm marine diesel xyaw. Qhov no feem ntau ua tiav tom qab cov txheej txheem combustion thiab ua ntej cov pa roj nkag mus rau SCR catalyst.

Thermal Decomposition: Thaum txhaj tshuaj, cov tshuaj urea raug thermal decomposition vim qhov kub siab hauv cov kwj deg. Cov txheej txheem decomposition no rhuav tshem cov urea rau hauv ammonia (NH₃) thiab carbon dioxide (CO₂).

Selective Catalytic Reduction (SCR): Cov ammonia tsim los ntawm decomposition ntawm urea reacts nrog nitrogen oxides (NOx) nyob rau hauv lub xub ntiag ntawm ib tug catalyst. Cov tshuaj tiv thaiv no hloov cov teeb meem NOx emissions rau hauv tsis muaj nitrogen (N₂) thiab dej vapor (H₂O).

Kev txo qis Emission: Cov txheej txheem SCR txo qis NOx emissions los ntawm marine diesel xyaw, pab cov nkoj ua raws li cov cai nruj IMO. Qhov kev txo qis hauv NOx emissions yog qhov tseem ceeb rau kev txo qis ib puag ncig kev cuam tshuam ntawm kev ua haujlwm hauv hiav txwv thiab txhim kho huab cua zoo.

Environmental Compliance: Pab cov nkoj hauv hiav txwv ua tau raws li IMO Tier III emission qauv, txo NOx emissions txog li 90%.

Txhim Kho Huab Cua Zoo: Txo cov pa phem, ua rau huab cua zoo dua thiab tsis muaj kuab paug ib puag ncig.

Efficiency: Txhim kho tag nrho cov kev ua tau zoo ntawm SCR systems, ua kom pom kev ua haujlwm zoo thiab ua haujlwm tsawg kawg nkaus.

Kev Nyab Xeeb: Marine Diesel Exhaust Fluid yog tsis muaj tshuaj lom thiab muaj kev nyab xeeb los daws, ua rau nws muaj kev xaiv zoo rau kev txo qis hauv kev siv dej hiav txwv.

Marine urea tov plays lub luag haujlwm tseem ceeb hauv kev txo qis NOx emissions los ntawm marine diesel xyaw los ntawm cov txheej txheem xaiv catalytic txo. Nws qhov kev tsim khoom suav nrog kev tswj xyuas meej thiab cov qauv zoo los xyuas kom muaj txiaj ntsig thiab ua raws li cov cai ntawm ib puag ncig. Los ntawm kev txo qis cov pa phem, Marine Diesel Exhaust Fluid pab txhawb kom muaj kev lag luam huv thiab ruaj khov dua.

Cim npe nrov: Marine urea tov, Tuam Tshoj marine urea tov lwm tus neeg, hoobkas