The fuel nozzle is an important part that affects the working performance of the diesel engine, and plays an important role in ensuring the normal operation of the diesel engine and energy saving and environmental protection. Starting from the technical characteristics of the fuel nozzle at the present stage, the working principle and technical research of the fuel nozzle are explained, the main factors affecting the fuel injection quality are analyzed, and the main conditions related to the service life of the fuel nozzle and the guarantee of fuel injection are summarized. Related measures of mouth reliability.

The fuel nozzle plays an important role in the fuel supply system of the diesel engine, and its working capacity is directly related to the running stability, power performance, fuel saving and environmental protection ability of the diesel engine. With the continuous upgrading of modern mechanical technology, the technical system of diesel engines is becoming more and more reasonable, especially the application of digital electronic control technology has greatly improved the working performance of diesel engine oil supply system. In daily use, the fuel nozzle is one of the most frequently worked parts, and its working quality and service life are affected by many external factors. Only by correctly understanding the precautions for the use of diesel engine fuel nozzles can it be beneficial to ensure that the diesel engine operates in good condition. Operate under the state of fuel injection, so as to exert the best performance and maintain a good service life