The embodiment of the invention provides a novel ship exhaust system which comprises a diesel engine, waste gas generated by the diesel engine is exhausted to a silencer through an exhaust pipe coated with an insulating material for noise elimination and reduction, and the diesel engine drives a cooling water pump to suck seawater outside a ship from a seawater tank to serve as cooling water at the same time; the cooling water jacket is arranged on the exhaust pipe in a sleeving manner and comprises a steel pipe and sealing plates, the outer diameter of the steel pipe is larger than the outer diameter of the exhaust pipe by a set size, the sealing plates are located at the two ends of the steel pipe, and a cooling water cavity is formed between the cooling water jacket and the exhaust pipe; wherein the cooling water jacket is communicated with the cooling water pump through a cooling water pipe arranged on the cooling water jacket, a plurality of atomizing nozzles are embedded in the pipe section, sleeved with the cooling water jacket, of the exhaust pipe, and a plurality of open holes used for spraying water are formed in the pipe section, sleeved with the cooling water jacket, of the exhaust pipe, so that flue gas and cooling water of the diesel engine are mixed and subjected to heat exchange; the good functions of cooling, noise reduction, spark extinguishing, black smoke eliminating and the like are achieved, and the safety of the ship is guaranteed.
本发明实施例提供了一种新型的船舶排气系统,包括:柴油机,其所产生的废气经包覆绝缘材料的排气管排至消音器,进行消声降噪,且所述柴油机同时带动冷却水泵从海水箱抽吸船舶外的海水作为冷却水;冷却水套,其套设在所述排气管上,包括比排气管外径大设定尺寸的钢管及位于所述钢管两端的封板,在所述冷却水套与所述排气管之间构建一冷却水腔;其中,所述冷却水套通过设于其上的冷却水管与所述冷却水泵相连通,所述排气管在套设有所述冷却水套的管段上嵌设有多个雾化喷头,且开设有用以喷水的多个开孔,使柴油机烟气和冷却水混合和换热,达到良好的降温降噪、熄灭火星和消除黑烟等功能,保障了船舶的安全。
Novel ship exhaust system
一种新型的船舶排气系统
2024-05-17
Patent
Elektronische Ressource
Chinesisch