Multistage sewage treatment system and method

A sewage treatment system and sewage technology, applied in the direction of water/sewage multi-stage treatment, water/sludge/sewage treatment, energy waste water treatment, etc., can solve the insufficient effect of sewage filtration and sedimentation, the decomposition of chemical ions and organic matter is not guaranteed, Problems such as inability to remove impurities

Active Publication Date: 2014-07-23
GUANGZHOU DI ER CONSTR & ENG CO LTD +1
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  • Abstract
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  • Claims
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Problems solved by technology

[0003] There are many reasons for water pollution, mainly the pollution of industrial wastewater and domestic sewage. These waters contain harmful chemical ions, solid impurities, colloidal substances, nitrogen compounds, phosphorus compounds, heavy metals, refractory organic matter, bacteria and viruses without exception. etc. Currently, three-stage sedimentati

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  • Multistage sewage treatment system and method
  • Multistage sewage treatment system and method
  • Multistage sewage treatment system and method

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Embodiment Construction

[0035] Such as figure 1 As shown, the multi-stage sewage treatment system of the present invention includes a sand settling device 1 for removing sand particles in sewage, a water collection and deodorization device 2 for discharging sewage and eliminating sewage odor, and a water collection and deodorization device 2 for degrading and stabilizing sewage. Sewage degradation device 3 for organic matter, wetland filter device 4 for removing nitrogen compounds and phosphorus compounds in sewage, quartz sand filter device 5 for blocking suspended solids in water, activated carbon filter device 6 for absorbing peculiar smell and adsorbing harmful substances, and An ecological cycle device 7 for improving water quality.

[0036] Such as figure 2 , image 3 with Figure 4 As shown, the sand settling device 1 is mainly used to remove sand particles with a particle size greater than 0.2 mm and a density greater than 2.65 t / m3 in sewage to protect facilities such as pipelines and va...

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Abstract

The invention provides a multistage sewage treatment system which sequentially comprises a sand setting device for removing sands in sewage, a water collecting and deodorizing device for blowing sewage and eliminating smell of sewage, a sewage degrading device for degrading and stabilizing organic matters in sewage, a wetland filter device for removing nitrogen compounds, phosphorus compounds and degradation-resistant organic matters in water, a quartz sand filter device for blocking suspended matters in sewage, an activated carbon filter device for absorbing peculiar smell and absorbing harmful substances and an ecological circulating device for improving the water quality. The multistage sewage treatment system provided by the invention can remove impurities such as solid impurities, colloid matters, nitrogen compounds, phosphorus compounds, heavy metals, degradation-resistant organic matters, bacteria and viruses in sewage to obtain ideal water quality.

Description

technical field [0001] The invention relates to a multistage sewage treatment system and method. Background technique [0002] All over the world, especially in some developing countries, the industrial sewage discharged from various industrial production processes has caused serious harm to the environment. According to the water quality evaluation conducted by relevant departments on 130,000 kilometers of rivers across the country, Nearly 50% of the water quality is seriously polluted, and water pollution has shown a trend of penetrating from the surface to the ground, from tributaries to main streams, from cities to rural areas, and from land to sea. [0003] There are many reasons for water pollution, mainly the pollution of industrial wastewater and domestic sewage. These waters contain harmful chemical ions, solid impurities, colloidal substances, nitrogen compounds, phosphorus compounds, heavy metals, refractory organic matter, bacteria and viruses without exception. ...

Claims

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Application Information

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IPC IPC(8): C02F9/14
CPCY02W10/37
Inventor 陈臻颖吴志勇汤少斌胡景文古卫东黄子峰甘年辉钟日胜严兆滔李建勇
Owner GUANGZHOU DI ER CONSTR & ENG CO LTD
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