A packing structure of artificial rapid percolation system

A technology of artificial rapid infiltration and packing layer, which is applied in the direction of sustainable biological treatment, water/sludge/sewage treatment, biological water/sewage treatment, etc., and can solve the problems of low hydraulic load, application restrictions, and large footprint , to achieve high hydraulic load, improved physical and chemical properties, and good anti-clogging performance

Active Publication Date: 2016-05-11
JSTI GRP INSPECTION & CERTIFICATION CO LTD
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Problems solved by technology

The sewage rapid infiltration system has the advantages of convenient operation and management, simple equipment, low operation and management costs, good purification effect, and low energy consumption for treatment, but it also has the disadvantages of large floor area and low hydraulic load, which lead to its application being restricted. many restrictions

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  • A packing structure of artificial rapid percolation system

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Embodiment 1

[0029] Such as figure 1 The schematic diagram of the filler structure of the artificial rapid infiltration system shown in the present invention includes a retention layer 1 , an ecological filler layer 2 , a geotextile 3 , a reoxygenation layer 4 and a drainage layer 5 .

[0030] The filler structure is a layered composite structure, the surface layer of the layered composite structure is a retention layer 1, an ecological filler layer 2 is arranged on the lower surface of the retention layer 1, and a geotextile 3 is arranged between the retention layer 1 and the ecological filler layer 2; The thickness of the ecological filler layer 2 is 5 to 15 times the thickness of the retention layer 1; a reoxygenation layer 4 is arranged on the lower surface of the ecological filler layer 2, and a geotextile 3 is arranged between the ecological filler layer 2 and the reoxygenation layer 4; A drainage layer 5 is arranged on the lower surface of the reoxygenation layer 4 , and a geotextil...

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Abstract

The invention discloses a packing structure for a constructed rapid infiltration system. The packing structure is of a layered composite structure, wherein the surface layer of the layered composite structure is an intercept layer; an ecological packing layer is arranged on the lower surface of the intercept layer; geotechnical cloth is arranged between the intercept layer and the ecological packing layer; the thickness of the ecological packing layer is 5-15 times that of the intercept layer; a reoxygenation layer is arranged on the lower surface of the ecological packing layer; the geotechnical cloth is arranged between the ecological packing layer and the reoxygenation layer; a drainage layer is arranged on the lower surface of the reoxygenation layer; the geotechnical cloth is arranged on the reoxygenation layer and the drainage layer; the reoxygenation layer is formed by pavement of ceramsite; and the drainage layer is graded broken stone. The packing structure for the constructed rapid infiltration system disclosed by the invention has the advantages of high hydraulic loading, high COD removal and ammonia-nitrogen efficiency, good anti-clogging performance, low material cost and the like; and resource recycling is achieved by waste slag.

Description

technical field [0001] The invention relates to a percolation system for artificial wetland sewage treatment, in particular to a packing structure for an artificial rapid percolation system. Background technique [0002] The artificial rapid infiltration (CRI) system refers to the controlled release of sewage on the surface of the artificially constructed infiltration medium, so that it undergoes different physical, chemical and biological effects during the downward infiltration process, and finally achieves the purification of sewage. It is a new type of sewage treatment system developed on the basis of the traditional sewage rapid infiltration (RI) system. The sewage rapid infiltration system has the advantages of convenient operation and management, simple equipment, low operation and management costs, good purification effect, and low energy consumption for treatment, but it also has the disadvantages of large floor area and low hydraulic load, which lead to its applica...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F3/10
CPCY02W10/10
Inventor 何宏荣王浩胜孙长江王广芹
Owner JSTI GRP INSPECTION & CERTIFICATION CO LTD
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