CN210796099U - Farmland runoff sewage treatment plant - Google Patents
Farmland runoff sewage treatment plant Download PDFInfo
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- CN210796099U CN210796099U CN201920930087.0U CN201920930087U CN210796099U CN 210796099 U CN210796099 U CN 210796099U CN 201920930087 U CN201920930087 U CN 201920930087U CN 210796099 U CN210796099 U CN 210796099U
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- tank
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- sedimentation tank
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- 239000010865 sewage Substances 0.000 title claims abstract description 29
- 238000004062 sedimentation Methods 0.000 claims abstract description 26
- 230000001112 coagulating effect Effects 0.000 claims abstract description 25
- 238000006243 chemical reaction Methods 0.000 claims abstract description 19
- 239000000945 filler Substances 0.000 claims description 26
- 239000004576 sand Substances 0.000 claims description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- 241000196324 Embryophyta Species 0.000 claims description 11
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 claims description 6
- 239000003830 anthracite Substances 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 239000000701 coagulant Substances 0.000 claims description 5
- 238000005192 partition Methods 0.000 claims description 5
- 238000005273 aeration Methods 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 244000205574 Acorus calamus Species 0.000 claims description 3
- 235000011996 Calamus deerratus Nutrition 0.000 claims description 3
- 235000005273 Canna coccinea Nutrition 0.000 claims description 3
- 240000008555 Canna flaccida Species 0.000 claims description 3
- 235000014676 Phragmites communis Nutrition 0.000 claims description 3
- 239000003814 drug Substances 0.000 claims description 3
- 239000002351 wastewater Substances 0.000 abstract description 22
- 238000000034 method Methods 0.000 abstract description 15
- 230000008569 process Effects 0.000 abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 8
- 238000004065 wastewater treatment Methods 0.000 abstract description 3
- 238000004043 dyeing Methods 0.000 abstract description 2
- 230000015271 coagulation Effects 0.000 abstract 1
- 238000005345 coagulation Methods 0.000 abstract 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 14
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 7
- 229910052757 nitrogen Inorganic materials 0.000 description 7
- 229910052698 phosphorus Inorganic materials 0.000 description 7
- 239000011574 phosphorus Substances 0.000 description 7
- 239000003344 environmental pollutant Substances 0.000 description 6
- 231100000719 pollutant Toxicity 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 239000006228 supernatant Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 230000000813 microbial effect Effects 0.000 description 2
- 244000052769 pathogen Species 0.000 description 2
- 239000000575 pesticide Substances 0.000 description 2
- 230000002053 acidogenic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000010841 municipal wastewater Substances 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000003900 soil pollution Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model belongs to the technical field of waste water treatment, concretely relates to farmland runoff sewage treatment plant. The farmland runoff sewage treatment device comprises a coagulation sedimentation tank, an anaerobic fluidized bed tank, a biomembrane reaction tank and an artificial wetland which are connected in series in sequence; the coagulating sedimentation tank is internally provided with a clapboard which divides the coagulating sedimentation tank into a coagulating reaction area and a sedimentation area; whole processing system has combined the advantage of a plurality of physics, chemistry, biological treatment process and constructed wetland, increases substantially the treatment effeciency of printing and dyeing waste water for go out water and can stabilize discharge to reach standard, adopt constructed wetland to carry out the physics to farmland runoff sewage and purify, plant the plant in the wetland simultaneously, form the landscape greening, not only can effectively handle sewage, play pleasing to the eye generous effect simultaneously.
Description
Technical Field
The utility model belongs to the technical field of waste water treatment, concretely relates to farmland runoff sewage treatment plant.
Background
The farmland runoff sewage contains a large amount of pathogens, suspended matters, fertilizers, pesticides, insoluble solids and salts, and has extremely wide influence, for example, nutrient elements such as nitrogen, phosphorus and the like in the sewage enter rivers, lakes and the like to cause eutrophication; pesticides, pathogens and the like can pollute drinking water sources, harm human health, cause large-scale soil pollution and destroy the balance of an ecological system. Therefore, for agricultural water, dephosphorization and denitrification are very critical steps.
The conventional sewage treatment process generally reaches the first class B standard of pollutant discharge Standard of municipal wastewater treatment plant (GB18918-2002) according to the requirements of sewage treatment standards. At present, the conventional activated sludge process mainly comprises various forms of A2/0 process, oxidation ditch process, SBR process, modified SBR process and the like. Although the SBR process and the improved SBR process have simpler flow and occupy less land, the SBR process has high automation requirement degree, is only suitable for large-scale projects, has general denitrification and dephosphorization effects and is not suitable for the treatment of daily agricultural water.
CN103058453A discloses a process for treating rural sewage by a micro-power double-membrane biological device, which comprises the following specific scheme: the sewage firstly enters an anaerobic biomembrane pool, and solid, macromolecules and organic matters which are not easy to biodegrade in the water are degraded by using hydrolytic and acidogenic microorganisms; the sewage enters a simple aerobic biomembrane pool through a lifting pump; under the drive of a motor or air, the speed reduction rotating device of the aerobic biomembrane pond drives the rotating sheet to rotate slowly, and the biomembrane attached to the rotating sheet is contacted with sewage and air alternately to adsorb and oxidize organic matters in the sewage, so that the sewage is purified.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a processing apparatus suitable for farmland runoff sewage, it can effectively get rid of impurity such as nitrogen, phosphorus, suspended solid in this type of sewage, satisfies current farmland runoff sewage treatment user demand.
In order to achieve the above purpose, the utility model discloses a technical scheme is:
the utility model provides a farmland runoff sewage treatment plant which characterized in that: comprises a coagulating sedimentation tank, an anaerobic fluidized bed tank, a biomembrane reaction tank and an artificial wetland which are connected in series in sequence; the coagulating sedimentation tank is internally provided with a clapboard which divides the coagulating sedimentation tank into a coagulating reaction area and a sedimentation area; a first filler is arranged in the anaerobic fluidized bed tank, a second filler is arranged in the biological film reaction tank, and an aeration device is arranged at the bottom of the biological film reaction tank; the artificial wetland is provided with a fine sand layer and a coarse sand layer in sequence from top to bottom, the artificial wetland is provided with a baffle plate, and plants are planted on the fine sand layer.
Preferably, the first filler is a coke powder biological filler, and the second filler is an activated carbon or anthracite filler.
Preferably, the plant is selected from one or more of calamus, reed and canna.
Preferably, the coagulating sedimentation tank is provided with a medicament adding device and a stirring device for adding a coagulant.
Preferably, the particle size of the fine sand layer is 2-5mm, and the particle size of the coarse sand layer is 10-20 mm.
The utility model discloses a processing procedure does: firstly, wastewater to be treated enters a coagulating sedimentation tank through a pipeline, a corresponding coagulant is added into the coagulating sedimentation tank through a dosing device, the mixing effect is enhanced through a stirring device in the reaction process, the supernatant after standing enters an anaerobic fluidized bed tank for continuous treatment, pollutants in the wastewater are subjected to biological treatment and adsorption treatment through coke powder biological filler and microbial action in the supernatant, the treated wastewater enters a biomembrane tank, the wastewater is further treated by utilizing the adsorption action and the biomembrane action of active carbon or anthracite filler in the wastewater, the treated wastewater enters an artificial wetland tank for further treatment, and plants and a filtering sand layer in the artificial wetland are utilized to further adsorb and filter the pollutants in the wastewater, so that the treated water quality meets the effluent requirement.
Compared with the prior art, the utility model, beneficial effect as follows: (1) the whole treatment system combines the advantages of a plurality of physical, chemical and biological treatment processes and artificial wetlands, greatly improves the treatment efficiency of the printing and dyeing wastewater, and enables the effluent to be discharged stably and reach the standard; (2) the method utilizes the combined treatment of the anaerobic fluidized bed tank and the biomembrane tank, and selects the coke powder biological filler and the active carbon or anthracite filler with remarkable treatment effect, so that nitrogen and phosphorus pollutants in the farmland runoff sewage can be effectively removed; (3) the whole treatment process has the advantages of no secondary pollution, good quality of purified water, low cost and the like; (4) the constructed wetland is adopted to physically purify the farmland runoff sewage, and meanwhile, plants are planted in the wetland to form landscape greening, so that the sewage can be effectively treated, and meanwhile, the effect of attractive appearance and elegant appearance is achieved.
Drawings
Figure 1 is the utility model provides a farmland runoff sewage treatment plant's schematic structure diagram.
In the figure, 1 is a coagulating sedimentation tank, 2 is an anaerobic fluidized bed tank, 3 is a biomembrane reaction tank, 4 is an artificial wetland, 5 is a partition plate, 6 is a first filler, 7 is a second filler, 8 is an aeration device, 9 is a fine sand layer, 10 is a coarse sand layer, 11 is a baffle plate, and 12 is a plant.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1
As shown in figure 1, a farmland runoff sewage treatment device is characterized in that: comprises a coagulating sedimentation tank 1, an anaerobic fluidized bed tank 2, a biomembrane reaction tank 3 and an artificial wetland 4 which are connected in series in sequence; a partition plate 5 is arranged in the coagulating sedimentation tank 1, and the coagulating sedimentation tank 1 is divided into a coagulating reaction zone and a sedimentation zone by the partition plate 5; a first filler 6 is arranged in the anaerobic fluidized bed tank 2, a second filler 7 is arranged in the biological film reaction tank 3, and an aeration device 8 is arranged at the bottom of the biological film reaction tank 3; constructed wetland 4 in from last to having set gradually fine sand layer 9 and coarse sand layer 10 down, constructed wetland 4 in be provided with baffle 11, fine sand layer 9 on plant and have plant 12, first filler 6 be the biological filler of burnt powder, the second filler 7 for active carbon or anthracite filler, plant 12 be selected from one or several kinds in calamus, reed, canna, coagulating sedimentation tank 1 be equipped with the medicament that is used for throwing the coagulant and throw feeder apparatus and agitating unit, the particle diameter of fine sand layer 9 is 2-5mm, the particle diameter of coarse sand layer 10 is 10-20 mm.
Firstly, wastewater to be treated enters a coagulating sedimentation tank through a pipeline, a corresponding coagulant is added into the coagulating sedimentation tank through a dosing device, the mixing effect is enhanced through a stirring device in the reaction process, the supernatant after standing enters an anaerobic fluidized bed tank for continuous treatment, pollutants in the wastewater are subjected to biological treatment and adsorption treatment through coke powder biological filler and microbial action in the supernatant, the treated wastewater enters a biomembrane tank, the wastewater is further treated by utilizing the adsorption action and the biomembrane action of active carbon or anthracite filler in the wastewater, the treated wastewater enters an artificial wetland tank for further treatment, and plants and a filtering sand layer in the artificial wetland are utilized to further adsorb and filter the pollutants in the wastewater, so that the treated water quality meets the effluent requirement.
Example 2
When the farmland runoff sewage treatment device of the embodiment 1 is adopted to treat the farmland runoff wastewater, the total nitrogen content, the total phosphorus content and the SS content in the wastewater to be treated are detected to be 895mg/L, 85mg/L and 325mg/L respectively. The wastewater to be treated sequentially passes through a coagulating sedimentation tank, an anaerobic fluidized bed tank, a biomembrane reaction tank and an artificial wetland for treatment, a continuous water inlet mode is adopted, the whole treatment period is 20-35 hours, the total nitrogen content, the total phosphorus content and the SS content in the water are detected to be 28mg/L, 6mg/L and 13mg/L respectively after treatment, and the treatment effect is obvious.
Example 3
When the farmland runoff sewage treatment device of the embodiment 1 is adopted to treat the farmland runoff wastewater, the total nitrogen content, the total phosphorus content and the SS content in the wastewater to be treated are respectively 658mg/L, 76mg/L and 237mg/L through detection. The wastewater to be treated sequentially passes through a coagulating sedimentation tank, an anaerobic fluidized bed tank, a biomembrane reaction tank and an artificial wetland for treatment, a continuous water inlet mode is adopted, the whole treatment period is 20-35 hours, the total nitrogen content, the total phosphorus content and the SS content in the water are detected to be 17mg/L, 3mg/L and 8mg/L respectively after treatment, and the treatment effect is obvious.
The above-mentioned embodiment is the utility model discloses the implementation of preferred, in addition, the utility model discloses can also realize by other modes, not deviating from the utility model discloses any obvious replacement is all within the protection scope under the prerequisite of design.
Claims (5)
1. The utility model provides a farmland runoff sewage treatment plant which characterized in that: comprises a coagulating sedimentation tank (1), an anaerobic fluidized bed tank (2), a biomembrane reaction tank (3) and an artificial wetland (4) which are connected in series in sequence; a partition plate (5) is arranged in the coagulating sedimentation tank (1), and the coagulating sedimentation tank (1) is divided into a coagulating reaction zone and a sedimentation zone by the partition plate (5); a first filler (6) is arranged in the anaerobic fluidized bed tank (2), a second filler (7) is arranged in the biological film reaction tank (3), and an aeration device (8) is arranged at the bottom of the biological film reaction tank (3); the artificial wetland (4) in from last to having set gradually fine sand layer (9) and coarse sand layer (10) down, artificial wetland (4) in be provided with baffle (11), fine sand layer (9) on plant (12).
2. The apparatus of claim 1, wherein: the first filler (6) is a coke powder biological filler, and the second filler (7) is an active carbon or anthracite filler.
3. The apparatus of claim 1, wherein: the plant (12) is selected from one or more of calamus, reed and canna.
4. The apparatus of claim 1, wherein: the coagulating sedimentation tank (1) is provided with a medicament adding device and a stirring device for adding a coagulant.
5. The apparatus of claim 1, wherein: the grain diameter of the fine sand layer (9) is 2-5mm, and the grain diameter of the coarse sand layer (10) is 10-20 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920930087.0U CN210796099U (en) | 2019-06-20 | 2019-06-20 | Farmland runoff sewage treatment plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920930087.0U CN210796099U (en) | 2019-06-20 | 2019-06-20 | Farmland runoff sewage treatment plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210796099U true CN210796099U (en) | 2020-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920930087.0U Expired - Fee Related CN210796099U (en) | 2019-06-20 | 2019-06-20 | Farmland runoff sewage treatment plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210796099U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112607974A (en) * | 2020-12-25 | 2021-04-06 | 太仓夏鑫电镀有限公司 | Wastewater treatment system |
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2019
- 2019-06-20 CN CN201920930087.0U patent/CN210796099U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112607974A (en) * | 2020-12-25 | 2021-04-06 | 太仓夏鑫电镀有限公司 | Wastewater treatment system |
| CN112607974B (en) * | 2020-12-25 | 2022-08-23 | 太仓夏鑫电镀有限公司 | Wastewater treatment system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221228 Address after: 1st floor, No. 4815, Lianxi Road, Jinze Town, Qingpu District, Shanghai, 200000 Patentee after: Shanghai Rongzun Construction Engineering Consulting Co.,Ltd. Address before: Room 1116, building 1, 3068 Xihuan Road, Gusu District, Suzhou City, Jiangsu Province Patentee before: Haomiao Environmental Technology (Suzhou) Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200619 |