How often does the truck add urea, and how many kilometers can 10 liters of urea run?

I believe that for many car owners who have never been in contact with diesel vehicles, most of them do not know that diesel vehicles need to be added with urea. So how often do you add urea to diesel trucks? How many kilometers can 10 liters of urea run?

How often do you add urea?

Owners who have never driven a diesel car may not know it.Generally, the instrument panel of a diesel vehicle shows the remaining amount of urea used in the vehicle (similar to the fuel gauge of a vehicle), andWhen the car urea balance is less than about 20%, the car urea solution should be added in timeNS.

How many kilometers can 10 liters of urea run?

In fact, the consumption of urea is related to many factors such as the displacement of the car, the road conditions of the driving, and the injection logic of the SCR system, soDifferent diesel vehicles can run different kilometers with 10 liters of urea.

Under normal circumstances, the urea consumption of diesel vehicles is about 3%-5% of diesel. If you leave out other factors and count this alone,I use 5% as the standard, 100 liters of diesel will consume 5 liters of urea; and 10 liters of urea will require 200 liters of diesel to be consumed.

Working process of car urea

SCRIs a closed-loop injection system,When the exhaust gas is discharged from the combustion chamber of the engine, the electric pump willYuanAccording to the instruction, suck a sufficient amount of urea solution from the urea tank, mix and atomize the urea solution with compressed air, and enter the spray pipe to route the urea nozzle evenly into the exhaust gas.at this timeUrea solution decomposes at high temperature to generate NH₃, And at the same time undergo a catalytic reduction reaction with NOx, and finally produce harmless N₂And H₂Odischarge.

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