Real-time customs inspection logs

Engine tube,Real-time customs inspection logs that is, engine exhaust pipe, is one of the main channels for ship engines to discharge exhaust gas and exhaust gas substances discharged during engine operation. The engine exhaust pipe mainly plays the role of exhaust gas and reducing emission noise. It is not only directly related to the service life and efficiency of the engine, but also to the environmental protection requirements of the ship. Therefore, the correct maintenance and upkeep of the engine tube is very important. I. The main functions of the engine exhaust pipe 1. The main function of the exhaust pipe of the exhaust gas engine is to discharge the exhaust gas generated during the operation of the engine. Exhaust gases include carbon dioxide, carbon monoxide, nitrogen oxides, volatile organic compounds and other toxic and harmful gases and solid substances such as particulate matter.These exhaust gases are harmful to human health and the environment, so the emission requirements for exhaust gas are becoming more and more strict. The emission standards of ships require the purification of exhaust emissions before discharge to reduce the emission of harmful substances. The engine exhaust pipe is an important channel to ensure the safety, accuracy and purification effect of exhaust emissions. Two. Reduce emission noise. In addition to exhaust gas, the engine exhaust pipe can also play a role in reducing engine noise. The silencer on the exhaust pipe is the main equipment for noise reduction, which can convert the high audio noise generated by the engine into low-frequency sound waves, so as to reduce the intensity of noise and improve the quality of the working environment. II. Maintenance method of engine exhaust pipe 1. Obstacles are excluded from the engine exhaust pipe, and sediment and rust are the main factors of blockage. The exhaust gas in the exhaust pipe will be deposited on the pipe wall due to long-term action, which greatly affects the smoothness of the pipe.Rust is the product of metal materials in use. For old engine exhaust pipes, the amount of rust will directly affect the service life of the exhaust pipe. When these problems are found, they should be eliminated in time. Two. Exhaust pipe cleaning Engine exhaust pipe should be cleaned regularly. Cleaning the engine exhaust pipe can prevent more carbon and garbage from staying in the pipe, even when the exhaust pipe needs to be replaced in some cases, it can reduce unnecessary maintenance costs. In the process of cleaning the exhaust pipe, equipment such as wire hooks and alumina cloth can be used, and metal wire ropes or other tools that are not used cannot be used. 3. Pay attention to temperature and vibration during use, especially when the engine is started. The exhaust pipe is easily affected by high temperature and vibration, resulting in deformation and rupture of the pipe. Therefore, when the ambient temperature rises, it is necessary to pay special attention to the operation of the exhaust pipe, and check and maintain it in time.Four. Regular replacement of parts The parts in the engine exhaust pipe, such as pipe walls, gaskets, sealing rings, etc., will gradually age with the increase of use time, thus reducing the quality of the exhaust pipe. Therefore, in order to extend the service life of the engine exhaust pipe, it is recommended that the driver regularly check whether the parts of the engine pipe need to be replaced. In summary, the maintenance of the engine exhaust pipe must be paid attention to. The exhaust pipe must be cleaned and maintained, and replaced and inspected regularly to improve the efficiency of the use of the engine pipe and ensure the environmental protection requirements of ship exhaust. Maintaining the good condition of the engine exhaust pipe is one of the important tasks to ensure the safety of the engine and ship, and it is also a necessary means to improve work efficiency and reduce costs.

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