Compound ecologic water treatment system operating in low-temperature season

A water treatment system and ecological technology, applied in the field of water treatment, can solve problems such as poor sewage treatment effect and unstable operation, and achieve the effect of reducing the difficulty of operation and management, improving the effect and beautifying the landscape

Active Publication Date: 2015-07-22
郑州源致和环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a composite ecological water treatment system that operates in low temperature seasons to solve the problems of unstable operation of other biological treatment systems and poor sewage treatment effects in low temperature seasons

Method used

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  • Compound ecologic water treatment system operating in low-temperature season
  • Compound ecologic water treatment system operating in low-temperature season
  • Compound ecologic water treatment system operating in low-temperature season

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] A composite ecological water treatment system that operates in low temperature seasons. It is built and operated in the southern region to treat domestic sewage. It adopts the vertical underflow water distribution method. It consists of a two-stage series structure, and each stage is divided into three layers:

[0033] The first layer is a 10 cm thermal insulation soil layer, on which overwintering plants are planted; the second layer is a 20 cm earthworm activity area, which is filled with fillers; the third layer is a 50 cm microbial filler layer, and psychrophilic microorganisms are adsorbed on Filling on.

[0034] The first layer: the overwintering plants are Siberian Iris and sorrel.

[0035] The planting density of the overwintering plants is: sorrel 12 strains / m 2 ; Siberian Iris 7 plants / m 2 .

[0036] The filler in the earthworm activity area described in the second layer is formed by mixing peat, wood chips and wheat husks in a volume ratio of 1:1:1.

[00...

Embodiment 2

[0050] A composite ecological water treatment system that operates in low temperature seasons. It is built and operated in the central region to treat domestic sewage. It adopts the vertical underflow water distribution method. It consists of two-level series structures, and each level is divided into three layers:

[0051] The first layer is a 30 cm thermal insulation soil layer, on which overwintering plants are planted; the second layer is a 20 cm earthworm activity area, which is filled with fillers; the third layer is a 60 cm microbial filler layer, and psychrophilic microorganisms are adsorbed on Filling on.

[0052] The first layer: the overwintering plants are Hemerocallis, Siberian Iris, Amaryllis, and Nandina.

[0053] The planting density of the overwintering plants is: Hemerocallis 10 strains / m 2 ; Lycoris 16 plants / m 2 ;Nandina 12 plants / m 2 ; Siberian Iris 8 plants / m 2 .

[0054] The filler in the earthworm activity area of ​​the second layer is formed by mi...

Embodiment 3

[0068] A composite ecological water treatment system that operates in low temperature seasons. It is built and operated in the northern region to treat domestic sewage. It adopts the vertical underflow water distribution method. It consists of two stages in series, and each stage is divided into three layers:

[0069] The first layer is a 45 cm thermal insulation soil layer, on which overwintering plants are planted; the second layer is a 10 cm earthworm activity area, which is filled with fillers; the third layer is a 70 cm microbial filler layer, and psychrophilic microorganisms are adsorbed on Filling on.

[0070] The first layer: the overwintering plants are ryegrass, Siberian iris, Radix Ophiopogon japonicus and rapeseed.

[0071] The planting density of the overwintering plants is: ryegrass and Ophiopogon japonicus seeds 14 g / m 2 ; Rapeseed 30 plants / m 2 ; Siberian Iris 8 plants / m 2 .

[0072] The filler in the earthworm activity area of ​​the second layer is formed ...

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Abstract

The invention belongs to the technical field of water treatment, and particularly relates to a compound ecologic water treatment system operating in a low-temperature season. The compound ecologic water treatment system adopts a vertical undercurrent water distribution manner and a two-level series structure; each level is divided into three layers; each first layer is a 5-50 cm heat-insulating soil layer, and overyear plants are planted on the soil layer; each second layer is a 10-30 cm earthworm acting area filled with a filling material; each third layer is a 30-80 cm microbe filling material layer, and cryophile is adsorbed onto each filling material. In the compound ecologic water treatment system, the microbe amount and activity can be remarkably improved, and the wastewater treatment performance in low-temperature season is stable and favorable; besides, the compound ecologic water treatment system has the advantages of being low in constructing and running cost, simple and convenient to maintain and operate, high in recycling degree, simple in technological process, low in secondary pollution, and good in landscape greening effect.

Description

technical field [0001] The invention belongs to the technical field of water treatment, in particular to a composite ecological water treatment system operating in low-temperature seasons. Background technique [0002] In my country, most of the domestic sewage in scattered places such as rural areas, campuses, scenic spots, and highway rest areas are discharged directly into the water environment without any treatment, seriously affecting the quality of surface water and groundwater, and causing rivers and rivers. Lakes are the main source of serious pollution, so collecting and treating domestic sewage in scattered areas has always been a big problem in our country. At present, the centralized sewage treatment processes widely used in large and medium-sized cities, such as activated sludge or bacterial bed processes, have the defects of high investment, high energy consumption, high operation and management requirements, and the treatment effect is affected by the quality a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14
Inventor 高镜清李林帅陈少华朱松锋张瑞芹
Owner 郑州源致和环保科技有限公司
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