Ship domestic sewage treatment system is installed on the hull, which may be installed on large cruise ships (cruise ships) and ocean-going freighters. After investigation, there is no manufacturer specializing in the production of this equipment in Wuhan, but the following units may have production: Wuhan Marine Instrument Factory, Wuhan Marine Machinery Co., Ltd., Wuhan Marine Machinery Factory Zhong Xing Industry and other units.

In addition, after investigation, jinzhou area Environment, Operational Scenery, Environmental Protection, and Clean Environment announced the design and invention patent projects of marine domestic sewage treatment system on the Internet. Source of information:

The ship domestic sewage treatment system comprises a regulating tank and an anoxic tank, and the regulating tank is connected with the hull drainage system; The upper part of the regulating pool is provided with a primary filter screen; The bottom of the regulating pool is provided with a first pump body; The first pump body is connected with the mechanical grille; The outlet of the mechanical grille is connected with the anoxic pool through a connecting pipe; The bottom of the anoxic pool is provided with a plurality of mixed gas pipes, and the blowing mechanism is connected with the blowing mechanism; The top of the anoxic pool is provided with an auxiliary material adding mechanism; An overflow pool is arranged on one side of the upper part of the anoxic pool, and the overflow pool is connected with membrane organisms through the overflow pool. It greatly reduces the load of fresh water resources on board and effectively saves resources.