Marine domestic sewage pretreatment device

• Main Authors: GUO JIAN, DU ZEYU, ZHANG ZICHEN, YU WENXUAN, SHI JUNFEI, SUN LIGANG, SONG BIN
• Format: Patent
• Language: Chinese; English
• Published: 15.02.2022
• Subjects: CHEMISTRY; METALLURGY; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

The utility model discloses a pretreatment device for marine domestic sewage. The marine domestic sewage comprises washing grey water, kitchen grey water and toilet flushing black water. The pretreatment device comprises a pretreatment tank; a partition plate is arranged in the middle of the pretreatment tank to divide the pretreatment tank into a pretreatment front tank and a pretreatment rear tank; the washing grey water drainage pipe is connected with the pretreatment rear tank through the hair filter; the kitchen grey water drainage pipe is connected with the pretreatment front tank through the oil skimmer; the toilet flushing black water drainage pipe is directly connected with the pretreatment front tank; the pretreatment front tank is connected with a water inlet of the secondary filter through a water pumping pipe and a crushing pump; the water outlet of the post-pretreatment tank is connected with the comprehensive treatment tank. The oil skimming device has the advantages of simple structure, compac