​​How Much Do You Know About Vehicle Urea Pump and The Relationship Between Urea Pump As Well As SCR

The environmental pollution caused by car exhaust has seriously influenced the earth, and the invention of the urea pump has excellently enhanced the environmental pollution caused by exhaust discharges. The vital element for controlling diesel exhaust discharges is the urea pump controller, which has actually been extensively utilized in established countries such as Europe. You need to recognize even more detailed info on it if you want to buy SCR urea pump controller.


The urea pump is an important part of the urea solution shot metering system. Its main function is to extract the urea remedy in the urea tank, maintain a specific stress, and then supply it to the shot system to fulfill the flow and also stress demands of the shot metering system.

The Partnership In Between Urea Pump And SCR

The urea pump is the core element of the SCR system, and its performance is closely related to the engine's emission function. In order to make certain that the functioning reliability of the urea pump meets the working needs of the SCR system, the urea pump requires to be adjusted.

After making use of SCR innovation, the engine's discharge feature depends to a large level on the calibration of the urea injection system and also the family member performance of the urea pump. Based on the standard concept of nitrogen as well as oxygen reduction, the SCR tool uses a 32.5% urea liquid remedy as a decreasing representative, and under the catalysis of the stimulant surface layer, the NOX in the exhaust gas is lowered to N2 and also H2O.

The exhaust temperature level of diesel motor is usually 200-500 ° C, which essentially fulfills the task needs of the vanadium-based catalyst used in SCR. The NOX in the exhaust gas released by the diesel engine rapidly responds with the urea aqueous option to produce nitrogen as well as water.


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Urea Pump Function

Its functioning principle is to use urea solution and NOX oxidation-reduction reaction to generate N2, which is non-toxic to human body, as well as discharge it right into the atmosphere. The urea pump pumps the urea remedy out of the urea storage tank as well as transfers the urea option to the nozzle through the sharing pipe.

Functioning Concept

urea pump diagram
( 1. Urea container 2. Supply pump 3. Orifice 4. Pressure chamber 5. On-off shutoff 6. Reverse pump 7. Electric motor).

When supplying fluid to the urea shot system, the motor drives the supply pump to provide the urea solution from the urea tank to the stress chamber. A part of the urea service is utilized for shot and a component is returned to the urea storage tank with the orifice.

In a low temperature atmosphere, in order to stop pipeline blockage, the pump needs to clear the pressure chamber # The controller immediately courts that it goes into the empty state. Right now, the supply pump stops working, as well as the on-off valve is opened at the same time. The urea service is drawn back right into the urea storage tank.

Everybody intends to stay in even more environmentally friendly city, it is smart to buy SCR urea pump controller can make life better.


The hydraulic and mechanical concept of the urea pump is revealed in the figure, which is primarily made up of an electric motor, a supply pump, a reverse pump, an on-off shutoff, a pressure chamber, and also an orifice. When providing fluid to the urea shot system, the motor drives the supply pump to provide the urea service from the urea tank to the pressure chamber. A component of the urea remedy is used for shot as well as a part is returned to the urea storage tank with the orifice.

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