Sewage treatment system for public lavatory

A technology for sewage treatment systems and public toilets, which is applied in the fields of oxidized water/sewage treatment, water/sewage multi-stage treatment, water/sludge/sewage treatment, etc. Thorough, did not achieve environmental protection, water-saving functions and other issues

Inactive Publication Date: 2006-10-11
BEIJING LANLI DONHGFANG SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are deficiencies in the quality of reused water, and the treatment and disinfection of dirty gas are difficult to complete, and the process route is not advanced enough, and the real environmental protection and water saving functions have not been achieved.
There are also big problems in matching and connecting with the existing municipal sewage system

Method used

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  • Sewage treatment system for public lavatory

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Experimental program
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Effect test

Embodiment Construction

[0012] see figure 1 , The public toilet sewage treatment system of the present invention adopts a fully sealed structure, which is used to prevent the sewage treatment process. The sewage from the toilet is first anaerobically digested through the septic tank 1, and then through the closed grid 2 and the second and third septic tanks 3 for step-by-step sedimentation and purification, and then pumped into the closed membrane bioreactor 5 by the drainage pump 4 . The air blower 8 is connected to the air inlet of the membrane bioreactor 5, the aeration pipe is placed under the membrane module, and the suction pump 6 is connected to the water outlet position of the membrane module; The ozone sterilizer 7 is connected, and the dirty gas in it is sterilized and deodorized by mixing with the remaining ozone from the ozone tail gas collector 10. The use of the membrane keeps the suspended solids in the membrane bioreactor 5, and the blower 8 provides the dissolved oxygen required fo...

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PUM

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Abstract

A sewage treating system for public lavatory is composed of three-stage septic tank, efficient membrane bioreaction for degradating pollutants and intercepting suspended solid, gas-liquid mixing unit, and efficient broad-spectrum ozone disinfecting unit.

Description

technical field [0001] The invention belongs to the technical scope of sewage treatment, and in particular relates to a high-efficiency and environment-friendly public toilet sewage treatment system capable of sterilizing and disinfecting, preventing the spread of germs, discharging no pollutants, and recycling and reusing toilet water. Background technique [0002] Toilet sewage treatment is a very old and technically difficult environmental protection problem. With the rapid development of my country's economy, the pressure of domestic sewage such as toilets on the original municipal sewage discharge pipelines is increasing day by day. In addition, the discharge capacity of underground sewage pipe networks in most cities in my country has been seriously reduced, and severe areas have dropped to initial discharge. less than 20% of capacity. If the original urban sewage discharge system is completely transformed, it will be a very large project for the local municipal admini...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F9/14C02F9/02C02F3/28C02F3/02C02F1/78
CPCY02W10/10
Inventor 魏普民宋其林杨六初弥铁强
Owner BEIJING LANLI DONHGFANG SCI & TECH
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