Urea nozzle cooling protection control method and device
A urea nozzle and cooling protection technology, which is applied in the direction of mechanical equipment, electric control of exhaust treatment devices, exhaust treatment, etc., can solve problems such as nozzle overheating damage, nozzle hole cooling, etc., and achieve the effect of improving service life
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[0038] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0039] Glossary
[0040] SCR system: Selective catalytic reduction (SCR) is currently recognized as one of the most effective post-treatment technologies for reducing nitrogen oxide emissions in diesel engine exhaust. The SCR system of a diesel engine consists of a urea tank, a urea pump, a urea nozzle and a connecting pipeline. The urea noz...
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