The invention relates to a domestic sewage treatment device for a composite membrane method denitrification and dephosphorization ship. An adjusting cabinet is connected with a domestic sewage pipe for the ship and is connected with a hydrolysis cabinet through a pipeline; the sludge cabinet is connected with a pressure seawater or fresh water pipe and is connected with the anoxic cabinet throughan supernatant overflow pipe; the hydrolysis cabinet is sequentially connected with an anoxic cabinet, an aerobic cabinet, a membrane cabinet and a clear water cabinet; the connecting pipeline betweenthe aerobic cabinet and the membrane cabinet is also connected with a medicine box, and the connecting pipeline between the membrane cabinet and the clear water cabinet is also connected with an ultraviolet sterilizer; the bottoms of the adjusting cabinet, the hydrolysis cabinet and the clear water cabinet are connected with overflow sewage pipes; a sludge return port at the bottom of the membrane cabinet is connected with the sludge cabinet and the aerobic cabinet through a sludge return pipe; the anoxic cabinet, the aerobic cabinet and the membrane cabinet are also connected with an aeration pipe, and the bottom of the membrane cabinet is also connected with a gas stripping pipe. The domestic sewage treatment device can be used for collecting and treating ship domestic sewage includingblack water, kitchen grey water and washing grey water, and can effectively remove organic matters, suspended matters, nitrogen, phosphorus and other nutrient substances in the sewage, so that the treated water can be discharged after reaching the standard.

本发明涉及一种复合膜法脱氮除磷船用生活污水处理装置，调节柜连接船用生活污水管，并通过管道连接水解柜；污泥柜连接压力海水或淡水管，并通过上清液溢流管连接缺氧柜；水解柜依次连接缺氧柜、好氧柜、膜柜和清水柜；好氧柜与膜柜之间的连接管道上还连接有药箱，膜柜与清水柜之间的连接管道上还连接有紫外杀菌器；所述调节柜、水解柜和清水柜底部连接溢流污水管；所述膜柜底部污泥回流口通过污泥回流管连接污泥柜和好氧柜；所述缺氧柜、好氧柜和膜柜还连接曝气管，膜柜底部还连接气提管。本发明能用于收集和处理船舶生活污水，包括黑水、厨房灰水和洗涤灰水，能有效去除污水中的有机物、悬浮物以及氮、磷等营养物质，使处理后的水能够达标排放。