How Do You Find Out The Relationship Between Urea Pump And SCR

The environmental pollution brought on by auto exhaust has actually seriously impacted the earth, as well as the invention of the urea pump has excellently enhanced the environmental pollution brought on by exhaust discharges. The important element for managing diesel exhaust discharges is the urea pump controller, which has actually been commonly used in established countries such as Europe. If you wish to buy SCR urea pump controller, you require to know even more in-depth details on it.


The urea pump is a fundamental part of the urea service injection metering system. Its major function is to draw out the urea option in the urea container, keep a certain stress, and after that provide it to the shot device to fulfill the flow as well as stress needs of the shot metering system.

The Relationship Between Urea Pump And SCR
The urea pump is the core component of the SCR system, as well as its performance is very closely related to the engine's discharge feature. In order to make certain that the working reliability of the urea pump satisfies the working needs of the SCR system, the urea pump needs to be calibrated.

After using SCR technology, the engine's discharge function depends to a huge extent on the calibration of the urea shot system as well as the family member performance of the urea pump. Based on the standard concept of nitrogen as well as oxygen decrease, the SCR tool makes use of a 32.5% urea liquid service as a lowering agent, as well as under the catalysis of the driver surface area covering, the NOX in the exhaust gas is minimized to N2 and also H2O.

The exhaust temperature of diesel motor is normally 200-500 ° C, which basically meets the task demands of the vanadium-based driver made use of in SCR. For that reason, the NOX in the exhaust gas discharged by the diesel motor swiftly reacts with the urea aqueous option to create nitrogen as well as water.

Urea Pump Feature
Careful Catalytic Reduction (SCR) innovation is one of the NOX catalytic filtration modern technologies for diesel engines that fulfill rigorous discharge guidelines in the future. It has the advantages of great safety and security, reduced fuel usage, and good sulfur resistance. Its functioning principle is to utilize urea remedy as well as NOX oxidation-reduction response to create N2, which is safe to body, and also release it right into the ambience. The urea pump pumps the urea option out of the urea container and transfers the urea remedy to the nozzle with the conveying pipe.

Functioning Principle



The mechanical and hydraulic principle of the urea pump is received the number, which is mostly made up of a motor, a supply pump, a reverse pump, an on-off shutoff, a stress chamber, as well as an orifice. The pump has 2 functioning states, supply as well as empty. When providing fluid to the urea injection system, the electric motor drives the supply pump to deliver the urea option from the urea tank to the stress chamber. A part of the urea option is made use of for shot as well as a component is returned to the urea container via the orifice.

In a low temperature environment, in order to protect against pipe obstruction, the pump requires to clear the stress chamber # The controller immediately judges that it enters the empty state. At this time, the supply pump stops working, as well as the on-off valve is opened at the same time. The urea solution is withdrawed into the urea container.



The urea pump pumps the urea service out of the urea tank and delivers the urea service to the nozzle through the sharing pipe.

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Everyone wants to reside in more eco-friendly city, it is wise to buy SCR urea pump controller can make life better.


The hydraulic and also mechanical concept of the urea pump is revealed in the figure, which is mainly composed of an electric motor, a supply pump, a reverse pump, an on-off shutoff, a stress chamber, and an orifice. When providing liquid to the urea shot system, the motor drives the supply pump to deliver the urea option from the urea tank to the stress chamber. A component of the urea option is used for shot and a component is returned to the urea container via the orifice. The urea remedy is attracted back right into the urea storage tank.


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