CN202729890U - Vertical flow constructed wetland - Google Patents
Vertical flow constructed wetland Download PDFInfo
- Publication number
- CN202729890U CN202729890U CN2012203885836U CN201220388583U CN202729890U CN 202729890 U CN202729890 U CN 202729890U CN 2012203885836 U CN2012203885836 U CN 2012203885836U CN 201220388583 U CN201220388583 U CN 201220388583U CN 202729890 U CN202729890 U CN 202729890U
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- China
- Prior art keywords
- packing layer
- constructed wetland
- reaction tank
- vertical current
- current constructed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 238000012856 packing Methods 0.000 claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000000945 filler Substances 0.000 claims abstract description 29
- 238000006243 chemical reaction Methods 0.000 claims abstract description 28
- 239000004576 sand Substances 0.000 claims description 8
- 239000011449 brick Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 241000684239 Canna x generalis Species 0.000 claims description 3
- 244000025254 Cannabis sativa Species 0.000 claims description 3
- 241001423497 Himalayacalamus falconeri Species 0.000 claims description 3
- 240000005062 Hymenocallis littoralis Species 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000004567 concrete Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 claims description 2
- -1 waterplant Substances 0.000 claims description 2
- 239000010865 sewage Substances 0.000 abstract description 8
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 5
- 239000011574 phosphorus Substances 0.000 abstract description 5
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 abstract description 4
- 239000003344 environmental pollutant Substances 0.000 abstract description 4
- 231100000719 pollutant Toxicity 0.000 abstract description 4
- 239000002245 particle Substances 0.000 abstract description 2
- 241000196324 Embryophyta Species 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 244000005700 microbiome Species 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000012528 membrane Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004065 wastewater treatment Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- YUWBVKYVJWNVLE-UHFFFAOYSA-N [N].[P] Chemical compound [N].[P] YUWBVKYVJWNVLE-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000011026 diafiltration Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000010534 mechanism of action Effects 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- DJFBJKSMACBYBD-UHFFFAOYSA-N phosphane;hydrate Chemical compound O.P DJFBJKSMACBYBD-UHFFFAOYSA-N 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 230000005068 transpiration Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Biological Treatment Of Waste Water (AREA)
- Treatment Of Biological Wastes In General (AREA)
Abstract
本实用新型涉及人工湿地领域，具体涉及垂直流人工湿地。本实用新型的目的是提供一种垂直流人工湿地，包括反应池、填料、水生植物、布水管和汇水管，其特征在于：所述填料层在反应池中的分布形式为自下而上依次包括D型填料层、C型填料层、B型填料层和A型填料层，所述布水管和所述汇水管上设有开孔，所述汇水管上的开孔直径小于所述D型填料层的填料粒径。该垂直流人工湿地结构简单、反硝化能力强、大大降低了管道堵塞的几率，经过该垂直流人工湿地处理后的污水中氨氮和总磷的含量达到了《城镇污水处理厂污染物排放标准GB18918-2002》中规定的一级A的标准。
The utility model relates to the field of artificial wetlands, in particular to vertical flow artificial wetlands. The purpose of this utility model is to provide a vertical flow artificial wetland, including reaction tank, filler, aquatic plants, water distribution pipe and water collection pipe, characterized in that: the distribution form of the filler layer in the reaction tank is from bottom to top Including D-type packing layer, C-type packing layer, B-type packing layer and A-type packing layer, the water distribution pipe and the water collection pipe are provided with openings, and the diameter of the openings on the water collection pipe is smaller than that of the D-type packing layer. The filler particle size of the filler layer. The vertical flow constructed wetland has a simple structure and strong denitrification ability, which greatly reduces the probability of pipeline blockage. The content of ammonia nitrogen and total phosphorus in the sewage treated by the vertical flow constructed wetland has reached the "Urban Sewage Treatment Plant Pollutant Discharge Standard GB18918"-2002" stipulated in the first class A standard.
Description
Technical field
The utility model relates to the artificial swamp field, is specifically related to vertical current constructed wetland.
Background technology
Artificial swamp be by artificial construction and controlling run with the similar ground of swampland, most artificial swamps are comprised of four parts: 1) have the matrix of various water-permeables, such as soil, sand, gravel; 2) be suitable for growing plants in saturation water and anaerobism matrix, such as reed; 3) water body; 4) microbial population such as aerobic or anaerobism.Sewage, mud are controlledly batched on the artificial wetland of building, sewage and mud are in the process that flows in a certain direction, mainly utilize physics, chemistry, the biological triple synergies of soil, artificial dielectric, plant, microorganism, a kind of technology that sewage, mud are processed.Its mechanism of action comprises that absorption, delay, filtration, redox, precipitation, microorganism decomposition, conversion, plant are covered, the effect of residue accumulated, water transpiration and nutrition absorption and all kinds of animals.
Artificial wet land system generally is divided into horizontal flow, undercurrent and vertical current at present, and wherein, floor space is little than other form wetland, processing efficiency is high, whole system can be built the inferior advantage in ground fully in and be widely used because it has for vertical current constructed wetland.In vertical current constructed wetland, sewage is downward vertically diafiltration from the top layer, passes through successively different medium layers in defluent process, reaches the purpose of purification, and it is stronger to aerobic organic processing power and the nitrification ability in the waste water.But existing vertical current constructed wetland is proven and still has following shortcoming: 1) in the water outlet nitrogen phosphorus unstable, easily exceed standard; 2) pipeline easily stops up; 3) denitrifying capacity is relatively poor.
The utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, a kind of vertical current constructed wetland is provided, this vertical current constructed wetland is simple in structure, denitrifying capacity is strong, greatly reduce the probability of line clogging, and the ammonia nitrogen in sewage after processing through this vertical current constructed wetland and the content of total phosphorus have reached the standard of the one-level A of regulation in " urban wastewater treatment firm pollutant emission standard GB18918-2002 ".
For achieving the above object, the utility model provides a kind of vertical current constructed wetland, comprise reaction tank, filler, waterplant, water distributor and collection pipe, described collection pipe is arranged on the bottommost of described reaction tank, the upper strata of described collection pipe sets gradually packing layer, water distributor and waterplant, it is characterized in that: the distribution form of described packing layer in reaction tank is for comprising successively D type packing layer from bottom to top, C type packing layer, Type B packing layer and A type packing layer, described D type packing layer is 16 ~ 32mm rubble packing layer, described C type packing layer is 8 ~ 16mm rubble packing layer, described Type B packing layer is 4 ~ 8mm rubble packing layer, described A type packing layer is 2 ~ 4mm coarse sand packing layer, described water distributor and described collection pipe are provided with perforate, and the opening diameter on the described collection pipe is less than the packing material size of described D type packing layer.
Preferably, be provided with impervious barrier at the bottom of the pool wall of described reaction tank and the pond.
Preferably, the degree of depth of described reaction tank is 1.6 ~ 1.8m.
Preferably, described reaction tank is the hole body under the earth's surface, can be the heatable adobe sleeping platform of hand digging, also can be the heatable adobe sleeping platform of self-assembling formation.
Preferably, described reaction tank is the brick or steel and concrete structure of building on the earth's surface.
More preferably, described reaction tank bottom brick or steel and concrete structure is provided with ground layer.
Preferably, described waterplant is selected from root system prosperity and the stronger waterplant kind of vitality.
More preferably, described waterplant is selected from fairy bamboo, boccaro grass, Canna generalis Bailey, Hymenocallis americana, floral leaf Lu Di, Caulis Miscanthis floriduli and during power is spent again one or more.
More preferably, the height of described waterplant is controlled at 1.6 ~ 1.8m.
Beneficial effect:
Compared with prior art, the vertical current constructed wetland that provides of the utility model has the following advantages:
1, this vertical current constructed wetland is by the screening to the wet land filler grating, solved that existing artificial swamp is unreasonable because of the Study on Packing Medium Selection particle diameter, filling-material structure arranges line clogging problem unreasonable, that the pipeline tapping mode is unreasonable etc. causes, greatly reduces the probability of line clogging;
2, this vertical current constructed wetland takes into full account wet land filler gap and Root of Wetland Plants effect, its special form of bio-carrier in conjunction with the waterplant on upper strata can be in reaction tank the numerous aerobic-anaerobic of the self-assembling formation-oxygen-anaerobism film micro area of holding concurrently, in water body under the participation of microorganism, form numerous nitrated-the denitrification film micro area, for water body denitrification dephosphorization provides efficient reaction environment, solved the problem that conventional artificial wet land system water outlet nitrogen phosphorus exceeds standard;
3, this vertical current constructed wetland is without any need for sludge treatment device, under the effect of wetland particular fillers, the mud that wet land system produces is nitrated in inside, and a small amount of throw out is attached to the wet land filler surface by long accumulation, is converted into the part of wet land filler;
4, this vertical current constructed wetland can effectively prolong the residence time of sewage in reaction tank, has improved the organic degradation efficiency of high-concentration hardly-degradable.
Description of drawings
Fig. 1 is the cross-sectional view of the utility model embodiment.
Each component names among the figure:
1, ground layer, 2, reaction tank, 3, anti seepage membrane, 4, collection pipe, 5, collection pipe perforate, 6,16 ~ 32mm rubble filler, 7,8 ~ 16mm rubble filler, 8,4 ~ 8mm rubble filler, 9,2 ~ 4mm coarse sand filler, 10, water distributor, 11, the water distributor perforate, 12, waterplant.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail, following examples are that the utility model is not limited to following examples to explanation of the present utility model.
As shown in Figure 1, be a kind of cross-sectional view of the present utility model, this vertical current constructed wetland is built on the earth's surface, on the ground layer 1 of compacting with brick one-tenth reaction tank 2, the degree of depth of reaction tank 2 is 1.6 ~ 1.8m, be provided with anti seepage membrane 3 at the bottom of the pool wall of reaction tank 2 and the pond, on the anti seepage membrane 3 at the bottom of the pond of reaction tank 2, be provided with collection pipe 4, collection pipe 4 is provided with the perforate 5 for the water body after the collection and treatment, be filled with successively 16 ~ 32mm rubble filler 6 on the collection pipe 4,8 ~ 16mm rubble filler 7,4 ~ 8mm rubble filler 8 and 2 ~ 4mm coarse sand filler 9, the aperture of perforate 5 is less than the packing material size of 16 ~ 32mm rubble filler 6, water distributor 10 is distributed on 2 ~ 4mm coarse sand filler 9, water distributor 10 is provided with the perforate 11 of flowing out for water body, in the gap of water distributor 10, plant and be implanted with waterplant 12, waterplant 12 takes root among 2 ~ 4mm coarse sand filler 9, the growing height of control waterplant 12 is between 1.6 ~ 1.8m, and waterplant 12 can be selected fairy bamboo, the boccaro grass, Canna generalis Bailey, Hymenocallis americana, floral leaf Lu Di, Caulis Miscanthis floriduli reaches the power flower again and waits root system relatively prosperity and the stronger waterplant kind of vitality.
Water body to be processed is evenly distributed in the wet land filler of reaction tank 2 through water distributor 10, under action of gravitation, water body passes 2 ~ 4mm coarse sand filler 9,4 ~ 8mm rubble filler 8,8 ~ 16mm rubble filler 7 and 16 ~ 32mm rubble filler 6 from top to bottom successively, and fully contact with filler, under the physics of the microorganism of filler, waterplant and Nature creating, chemistry, biological triple synergies, reach the purpose of purifying water body, water body after the purification is collected through collection pipe 4, last reuse or qualified discharge.
The detection method of the Water phosphorus content of regulation in " water and effluent monitoring analytical procedure " (the 4th edition) of writing according to State Environmental Protection Administration; the water source that adopts above-mentioned vertical current constructed wetland to process front and back is carried out the detection of nitrogen and phosphorus content, and detected result sees Table 1.Detected result shows: this vertical current constructed wetland has the treatment effect of highly significant to the ammonia nitrogen in the water body and total phosphorus, and the content of ammonia nitrogen and total phosphorus has reached the standard of the one-level A of regulation in " urban wastewater treatment firm pollutant emission standard GB18918-2002 " in the water body after processing.The index content of " urban wastewater treatment firm pollutant emission standard GB18918-2002 " sees Table 2.
Table 1
Table 2
Claims (9)
1. vertical current constructed wetland, comprise reaction tank, filler, waterplant, water distributor and collection pipe, described collection pipe is arranged on the bottommost of described reaction tank, the upper strata of described collection pipe sets gradually packing layer, water distributor and waterplant, it is characterized in that: the distribution form of described packing layer in reaction tank is for comprising successively D type packing layer from bottom to top, C type packing layer, Type B packing layer and A type packing layer, described D type packing layer is 16 ~ 32mm rubble packing layer, described C type packing layer is 8 ~ 16mm rubble packing layer, described Type B packing layer is 4 ~ 8mm rubble packing layer, described A type packing layer is 2 ~ 4mm coarse sand packing layer, described water distributor and described collection pipe are provided with perforate, and the opening diameter on the described collection pipe is less than the packing material size of described D type packing layer.
2. vertical current constructed wetland according to claim 1 is characterized in that: be provided with impervious barrier at the bottom of the pool wall of described reaction tank and the pond.
3. vertical current constructed wetland according to claim 1, it is characterized in that: the degree of depth of described reaction tank is 1.6 ~ 1.8m.
4. vertical current constructed wetland according to claim 1, it is characterized in that: described reaction tank is the hole body under the earth's surface.
5. vertical current constructed wetland according to claim 1, it is characterized in that: described reaction tank is the brick or steel and concrete structure of building on the earth's surface.
6. vertical current constructed wetland according to claim 5 is characterized in that: be provided with ground layer bottom the described reaction tank.
7. vertical current constructed wetland according to claim 1, it is characterized in that: described waterplant is selected from root system prosperity and the stronger waterplant kind of vitality.
8. vertical current constructed wetland according to claim 7 is characterized in that: described waterplant is selected from fairy bamboo, boccaro grass, Canna generalis Bailey, Hymenocallis americana, floral leaf Lu Di, Caulis Miscanthis floriduli and during power is spent again one or more.
9. vertical current constructed wetland according to claim 7, it is characterized in that: the height of described waterplant is 1.6 ~ 1.8m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203885836U CN202729890U (en) | 2012-08-07 | 2012-08-07 | Vertical flow constructed wetland |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203885836U CN202729890U (en) | 2012-08-07 | 2012-08-07 | Vertical flow constructed wetland |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202729890U true CN202729890U (en) | 2013-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203885836U Expired - Lifetime CN202729890U (en) | 2012-08-07 | 2012-08-07 | Vertical flow constructed wetland |
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| Country | Link |
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| CN (1) | CN202729890U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102745819A (en) * | 2012-08-07 | 2012-10-24 | 深圳中水环境保护有限公司 | Vertical current constructed wetland |
| CN104016487A (en) * | 2014-06-04 | 2014-09-03 | 厦门国寿种猪开发有限公司 | Artificial wetland |
| CN107720973A (en) * | 2017-11-22 | 2018-02-23 | 上海禾元环保集团有限公司 | A kind of sewage treatment plant tail water artificial wet land treating system |
| CN112125405A (en) * | 2020-09-02 | 2020-12-25 | 浙江问源环保科技股份有限公司 | A composite constructed wetland system and its operation method |
-
2012
- 2012-08-07 CN CN2012203885836U patent/CN202729890U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102745819A (en) * | 2012-08-07 | 2012-10-24 | 深圳中水环境保护有限公司 | Vertical current constructed wetland |
| CN104016487A (en) * | 2014-06-04 | 2014-09-03 | 厦门国寿种猪开发有限公司 | Artificial wetland |
| CN107720973A (en) * | 2017-11-22 | 2018-02-23 | 上海禾元环保集团有限公司 | A kind of sewage treatment plant tail water artificial wet land treating system |
| CN107720973B (en) * | 2017-11-22 | 2024-03-15 | 上海禾元环保集团有限公司 | Sewage treatment plant tail water constructed wetland treatment system |
| CN112125405A (en) * | 2020-09-02 | 2020-12-25 | 浙江问源环保科技股份有限公司 | A composite constructed wetland system and its operation 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 | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130213 |