Automatic sewage treaters

• Main Author: ZHONGHUA YE
• Format: Patent
• Language: English
• Published: 19.02.2003
• Edition: 7
• Subjects: CHEMISTRY; METALLURGY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TRANSPORTING; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

The utility model provides an automatic sewage treatment device, comprising a casing with a material replacing hole, a filter cap and a filter layer respectively arranged on the upper and the lower ends of the inner casing, an exhaust tube and an air inlet valve respectively arranged at the upper and the lower ends of the casing, which is characterized in that: one end of a water feeding pipe with a water outlet is connected with the filter cap at the upper end of the inner casing, while the other end of the water feeding pipe is connected with one end of a water inlet pipe with a water inlet, a lower through-valve and a backflush valve through an upper through-valve; the other end of the water inlet pipe is connected with the filter cap at the lower end of the inner casing through a stop valve; a water outlet pipe is at the same time connected with the stop valve through a water-control sewage-stopping valve; a sewage replacing valve is communicated with the water-control sewage-stopping valve. The utility model has the advantages of treating sewage with upward and downward flow directions, conveniently replacing and washing the filter material, and being widely applied in the processing system for the urban domestic sewages and industrial sewages.