CN204714664U - A kind of composite vertical current artificial wetland structure for the treatment of refuse percolate - Google Patents
A kind of composite vertical current artificial wetland structure for the treatment of refuse percolate Download PDFInfo
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- CN204714664U CN204714664U CN201520380492.1U CN201520380492U CN204714664U CN 204714664 U CN204714664 U CN 204714664U CN 201520380492 U CN201520380492 U CN 201520380492U CN 204714664 U CN204714664 U CN 204714664U
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Abstract
The utility model discloses a kind of composite vertical current artificial wetland structure for the treatment of refuse percolate, it is characterized in that: mechanical grille pond (1) is communicated with equalizing tank (2) successively, primary sedimentation pond (3), sterilization pool (4) and aeration tank (5), aeration tank (5) top is communicated with primary vertical artificial wetland (13), then secondary sedimentation basins (8) is communicated with, secondary sedimentation basins (8) the other end top is communicated with secondary vertical artificial wetland (14), secondary vertical artificial wetland (14) is communicated with ultrafiltration successively and produces pond (11) and water collecting basin (12), all purifying plant is planted in each artificial swamp pond.
Description
Technical field
The utility model relates to a kind of composite vertical current artificial wetland structure for the treatment of refuse percolate, belongs to sewage treatment area.
Background technology
Domestic waste disposal site sewage mainly comprises percolate, production waste, sanitary sewage etc., wherein percolate quantity is comparatively large, and complicated component is the organic sewage of high density, simultaneously also containing a large amount of bacterium, pathogenic bacteria and some poisonous and harmful substances, difficult treatment.Garbage loading embeading is a kind of main waste treatment and disposal mode, but in landfill process and Closure of landfill site after all can along with the generation of percolate.Find after deliberation, containing multiple toxicant and carcinogenic substance in percolate, if degraded under field conditions (factors), need its COD, BOD value of time in 15 years just can reach discharging standards, and ammonia nitrogen need the time of 24 ~ 26 years just can reach discharging standards.If the not treated direct discharge of percolate, by severe contamination underground water, surface water and surrounding environment, so it is very necessary for carrying out appropriate process to it.Percolate from garbage filling field is a kind of high concentrated organic wastewater, its water quality and the water yield are owing to being subject to the many factors such as rubbish kind, local environment and quantity of precipitation, landfill yard volume, landfill time, have that pollutant component complexity, variation water quality are large, organism and ammonia nitrogen concentration high, therefore intractability is larger.
Summary of the invention
The technical problems to be solved in the utility model is: the composite vertical current artificial wetland structure providing a kind for the treatment of refuse percolate, to solve the deficiencies in the prior art.
The technical solution of the utility model is: a kind of composite vertical current artificial wetland structure for the treatment of refuse percolate, mechanical grille pond is communicated with equalizing tank, primary sedimentation pond, sterilization pool and aeration tank successively, top, aeration tank is communicated with primary vertical artificial wetland, then secondary sedimentation basins is communicated with, secondary sedimentation basins the other end top is communicated with secondary vertical artificial wetland, secondary vertical artificial wetland is communicated with ultrafiltration successively and produces pond and water collecting basin, all plants purifying plant in each artificial swamp pond.
In mechanical grille pond, sewage approach axis sets gradually the coarse rack of 20 ㎜ and the fine fack of 5 ㎜.
Primary vertical artificial wetland comprises primary vertical artificial wetland downstream tank and the up pond of primary vertical artificial wetland.
Secondary vertical artificial wetland comprises secondary vertical artificial wetland downstream tank and the up pond of secondary vertical artificial wetland.
The purifying plant of primary vertical artificial wetland and the plantation of secondary vertical artificial wetland is giantreed, cyperus alternifolius, spot thatch, Fructus Sapindi Mukouossi or Spiked Loosestrife.
Water collecting basin adopts disinfection by ultraviolet light.
Add gravel bed, coarse sands layer successively from the bottom to top in primary vertical artificial wetland, wherein coarse sand particle diameter is 1-2cm, and grain size of gravel is 3-5cm.
Add gravel bed, coarse sands layer and fine sand layer successively from the bottom to top in secondary vertical artificial wetland, wherein fine sand particle diameter is 0.2-0.4cm, and coarse sand particle diameter is 1-2cm, and grain size of gravel is 3-5cm.
Primary vertical artificial wetland downstream tank and secondary vertical artificial wetland downstream tank top layout water distributor.
The beneficial effects of the utility model: the Main Function in primary vertical artificial wetland downstream tank, up pond: dispose suspended solids, COD, BOD, ammonia nitrogen, TOC etc., to reduce the processing load of secondary vertical artificial wetland; The Main Function in secondary vertical artificial wetland downstream tank, up pond: dispose organonitrogen, organophosphorus, heavy metal etc.; For ensureing that wet land system water distribution is even, each piecemeal wetland is provided with independently water distribution system, adopts staged water distribution manner.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
As shown in Figure 1, a kind of composite vertical current artificial wetland structure for the treatment of refuse percolate, mechanical grille pond 1 is communicated with equalizing tank 2, primary sedimentation pond 3, sterilization pool 4 and aeration tank 5 successively, top, aeration tank 5 is communicated with primary vertical artificial wetland 13, then secondary sedimentation basins 8 is communicated with, secondary sedimentation basins 8 the other end top is communicated with secondary vertical artificial wetland 14, and secondary vertical artificial wetland 14 is communicated with ultrafiltration successively and produces pond 11 and water collecting basin 12, all plants purifying plant in each artificial swamp pond.
In mechanical grille pond 1, sewage approach axis sets gradually the coarse rack of 20 ㎜ and the fine fack of 5 ㎜.
Acidication agent, fenton reagent is added in equalizing tank 2; Primary sedimentation pond 3 adds coagulating agent, COD degradation agent, transports after sludge concentration desiccation; Sterilizing agent (as dioxide peroxide, clorox), sewage deodorizing agent is added in sterilization pool 4; Aeration tank 5 arranges aerating apparatus, controls aeration rate, and adds denitrification preparation; Secondary sedimentation basins 8 adds Biostimulation agent, transports after sludge concentration desiccation.
Primary vertical artificial wetland 13 comprises primary vertical artificial wetland downstream tank 6 and the up pond 7 of primary vertical artificial wetland.
Secondary vertical artificial wetland 14 comprises secondary vertical artificial wetland downstream tank 9 and the up pond 10 of secondary vertical artificial wetland.
Primary vertical artificial wetland downstream tank 6 and secondary vertical artificial wetland downstream tank 9 top layout water distributor 15).
Primary vertical artificial wetland 13 and secondary vertical artificial wetland 14 kinds of purifying plants of planting are giantreed, cyperus alternifolius, spot thatch, Fructus Sapindi Mukouossi or Spiked Loosestrife.
Water collecting basin 12 adopts disinfection by ultraviolet light.
Add gravel bed, coarse sands layer successively from the bottom to top in primary vertical artificial wetland 13, wherein coarse sand particle diameter is 1-2cm, and grain size of gravel is 3-5cm.
Add gravel bed, coarse sands layer and fine sand layer successively from the bottom to top in secondary vertical artificial wetland 14, wherein fine sand particle diameter is 0.2-0.4cm, and coarse sand particle diameter is 1-2cm, and grain size of gravel is 3-5cm.
Claims (8)
1. the composite vertical current artificial wetland structure of a treating refuse percolate, it is characterized in that: mechanical grille pond (1) is communicated with equalizing tank (2) successively, primary sedimentation pond (3), sterilization pool (4) and aeration tank (5), aeration tank (5) top is communicated with primary vertical artificial wetland (13), then secondary sedimentation basins (8) is communicated with, secondary sedimentation basins (8) the other end top is communicated with secondary vertical artificial wetland (14), secondary vertical artificial wetland (14) is communicated with ultrafiltration successively and produces pond (11) and water collecting basin (12), all purifying plant is planted in each artificial swamp pond.
2. the composite vertical current artificial wetland structure of a kind for the treatment of refuse percolate according to claim 1, is characterized in that: in mechanical grille pond (1), sewage approach axis sets gradually the coarse rack of 20 ㎜ and the fine fack of 5 ㎜.
3. the composite vertical current artificial wetland structure of a kind for the treatment of refuse percolate according to claim 1, is characterized in that: primary vertical artificial wetland (13) comprises primary vertical artificial wetland downstream tank (6) and the up pond of primary vertical artificial wetland (7); Secondary vertical artificial wetland (14) comprises secondary vertical artificial wetland downstream tank (9) and the up pond of secondary vertical artificial wetland (10).
4. the composite vertical current artificial wetland structure of a kind for the treatment of refuse percolate according to claim 1, is characterized in that: the purifying plant that primary vertical artificial wetland (13) and secondary vertical artificial wetland (14) are planted is giantreed, cyperus alternifolius, spot thatch, Fructus Sapindi Mukouossi or Spiked Loosestrife.
5. the composite vertical current artificial wetland structure of a kind for the treatment of refuse percolate according to claim 1, is characterized in that: water collecting basin (12) adopts disinfection by ultraviolet light.
6. the composite vertical current artificial wetland structure of a kind for the treatment of refuse percolate according to claim 1, it is characterized in that: primary vertical artificial wetland adds gravel bed, coarse sands layer in (13) from the bottom to top successively, wherein coarse sand particle diameter is 1-2cm, and grain size of gravel is 3-5cm.
7. the composite vertical current artificial wetland structure of a kind for the treatment of refuse percolate according to claim 1, it is characterized in that: secondary vertical artificial wetland adds gravel bed, coarse sands layer and fine sand layer in (14) from the bottom to top successively, wherein fine sand particle diameter is 0.2-0.4cm, coarse sand particle diameter is 1-2cm, and grain size of gravel is 3-5cm.
8. the composite vertical current artificial wetland structure of a kind for the treatment of refuse percolate according to claim 3, is characterized in that: primary vertical artificial wetland downstream tank (6) and secondary vertical artificial wetland downstream tank (9) top layout water distributor (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520380492.1U CN204714664U (en) | 2015-06-05 | 2015-06-05 | A kind of composite vertical current artificial wetland structure for the treatment of refuse percolate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520380492.1U CN204714664U (en) | 2015-06-05 | 2015-06-05 | A kind of composite vertical current artificial wetland structure for the treatment of refuse percolate |
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| CN204714664U true CN204714664U (en) | 2015-10-21 |
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| CN201520380492.1U Expired - Fee Related CN204714664U (en) | 2015-06-05 | 2015-06-05 | A kind of composite vertical current artificial wetland structure for the treatment of refuse percolate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112093996A (en) * | 2020-09-28 | 2020-12-18 | 中国科学院生态环境研究中心 | Constructed wetland-coagulation combined pretreatment ultrafiltration water supply treatment system and water treatment method |
-
2015
- 2015-06-05 CN CN201520380492.1U patent/CN204714664U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112093996A (en) * | 2020-09-28 | 2020-12-18 | 中国科学院生态环境研究中心 | Constructed wetland-coagulation combined pretreatment ultrafiltration water supply treatment system and water treatment method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151021 Termination date: 20160605 |