CN112830643A - Conveying channel capable of treating sewage - Google Patents
Conveying channel capable of treating sewage Download PDFInfo
- Publication number
- CN112830643A CN112830643A CN202110327804.2A CN202110327804A CN112830643A CN 112830643 A CN112830643 A CN 112830643A CN 202110327804 A CN202110327804 A CN 202110327804A CN 112830643 A CN112830643 A CN 112830643A
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- CN
- China
- Prior art keywords
- water
- sewage
- drop well
- generator
- drop
- 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.)
- Pending
Links
- 239000010865 sewage Substances 0.000 title claims abstract description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 66
- 239000000945 filler Substances 0.000 claims abstract description 18
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 17
- 238000005192 partition Methods 0.000 claims abstract description 13
- 238000001914 filtration Methods 0.000 claims description 8
- 238000006065 biodegradation reaction Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 2
- 230000014759 maintenance of location Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 16
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 8
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 8
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 8
- 239000011574 phosphorus Substances 0.000 abstract description 8
- 238000005273 aeration Methods 0.000 abstract description 4
- 238000010248 power generation Methods 0.000 abstract description 2
- 241001365789 Oenanthe crocata Species 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
- 241000196324 Embryophyta Species 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 235000005273 Canna coccinea Nutrition 0.000 description 1
- 240000008555 Canna flaccida Species 0.000 description 1
- 241000219991 Lythraceae Species 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 244000288377 Saxifraga stolonifera Species 0.000 description 1
- 235000002953 Saxifraga stolonifera Nutrition 0.000 description 1
- 241000205578 Thalictrum Species 0.000 description 1
- 240000001398 Typha domingensis Species 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/10—Packings; Fillings; Grids
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
- C02F3/327—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae characterised by animals and plants
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention discloses a conveying channel capable of treating sewage, which comprises a channel main body (7), biological fillers (10) and a perforated cover plate (1), wherein the bottom of the channel is provided with a proper gradient, and is divided by partition walls to form a multistage treatment unit of stepped drop water, a final-stage treatment unit comprises a drop well (17), a water turbine (14), a generator (15) and an electrolysis device (18), the water turbine (14) is arranged at the lower part of the drop well (17), the generator (15) is fixed outside the drop well (17), the water turbine (14) is connected with the generator (15) through a shaft, the side wall of the upper part of the drop well (17) is provided with a water inlet, a water outlet at the lower part of the drop well (17) is communicated with an electrolysis bath of the electrolysis device (18), and the output end of the generator (15). The invention combines the drop aeration biological treatment with the power generation and the electrolytic water treatment, fully utilizes the geographical advantages of the drop well to implement the sewage treatment, and improves the nitrogen and phosphorus removal capability of the sewage conveying channel.
Description
Technical Field
The invention belongs to the technical field of sewage treatment, and particularly relates to a conveying channel capable of treating sewage.
Background
At present, the town sewage treatment has the problems of large facility investment, wide land occupation, complex operation, high energy consumption, low efficiency and the like, is not suitable for the sewage treatment requirement of small mountainous towns, and cannot utilize the geographical advantages of mountainous towns. Chinese patent document CN 102344228A discloses a drop aeration type sewage conveying and treating channel, which is composed of a channel main body, a filler and a perforated cover plate, wherein the channel main body is provided with the perforated cover plate; the channel main body is a sewer for conveying and treating sewage, partition walls are arranged in the channel main body, the channel main body is divided into a plurality of sewage treatment units along the water flow direction, and the heights of channel bottoms of the treatment units are sequentially reduced along the water flow direction; the bottom of the canal in each treatment unit at least comprises a stepped structure with one level of downward steps, the lowest level of step of each treatment unit is a water flow collecting and detention area, and a suspended filler is arranged in the area to form a sewage biodegradation area. The bottom of the channel is provided with a proper gradient, and the channel adopts step-type water drop. The patent uses drop aeration oxygenation and only uses biological filler for biodegradation, and the nitrogen and phosphorus removal effect is poor. Therefore, the sewage conveying channel needs to be improved, and the energy of the drop well is fully utilized to implement sewage treatment.
Disclosure of Invention
Aiming at the problems in the prior art, the technical problem to be solved by the invention is to provide a conveying channel capable of treating sewage, which combines drop aeration biological treatment with power generation and electrolytic water treatment, fully utilizes the geographical advantages of a drop well to implement sewage treatment, and improves the nitrogen and phosphorus removal capability of the sewage conveying channel.
The technical problem to be solved by the invention is realized by the technical scheme, the device comprises a channel main body, biological fillers and a perforated cover plate, wherein the perforated cover plate is arranged on the channel main body, the bottom of the channel is provided with a proper gradient, and a multistage treatment unit of stepped drop is formed by separating walls.
Preferably, the generator is arranged on a top cover of the drop well, a flow groove is dug at the bottom of the canal between the water inlet of the drop well and the upper-level treatment unit, a sewage pipe is sleeved outside the water turbine, and the flow groove is communicated with the sewage pipe.
The present invention has all the technical effects described in patent document CN 102344228A, and also has the following technical effects:
the electrolysis device is powered by energy generated by hydraulic potential energy of the drop well, no external energy consumption is caused, and the sewage is subjected to electrolytic nitrogen and phosphorus removal in the electrolysis device, so that the sewage treatment speed is increased, and the nitrogen and phosphorus removal treatment effect is improved.
Drawings
The drawings of the invention are illustrated as follows:
FIG. 1 is a longitudinal cross-sectional view of the present invention;
fig. 2 is a schematic structural view of the filter screen.
In the figure, 1, an opening cover plate; 3. A water inlet; 4. filtering with a screen; 5. a baffle plate; 6. a water outlet; 7. a channel body; 9. a water inlet pipe; 10. biological fillers; 12. a water outlet pipe; 13. a launder; 14. a water turbine; 15. a generator; 16. a sewage pipe; 17. a drop well; 18. an electrolysis device; 19. artificial wetland; 20. a water collecting tank.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
as shown in figure 1, the invention comprises a channel main body 7, biological fillers 10 and an open pore cover plate 1, wherein the open pore cover plate 1 is arranged on the channel main body 7, the bottom of a channel has a proper gradient, and is divided by partition walls to form a multi-stage treatment unit of stepped water drop, wherein the water flow collection and retention area of at least one stage of treatment unit is filled with the biological fillers; the final-stage treatment unit comprises a drop well 17, a water turbine 14, a generator 15 and an electrolysis device 18, wherein the water turbine 14 is arranged at the lower part of the drop well 17, the generator 15 is fixed outside the drop well 17, the water turbine 14 is connected with the generator 15 through a shaft, a water inlet is formed in the side wall of the upper part of the drop well 17, a water outlet at the lower part of the drop well 17 is communicated with an electrolysis bath of the electrolysis device 18, the output end of the generator 15 is connected with an electrode of the electrolysis device 18 through an electric wire.
The generator 15 is arranged on the top cover of the drop well 17, a flow groove 13 is dug at the bottom of the canal between the water inlet of the drop well 17 and the upper-level processing unit, a sewage pipe 16 is sleeved outside the hydraulic turbine 14, and the flow groove 13 is communicated with the sewage pipe 16; the function that sets up chute and sewage pipe is the gathering rivers, is favorable to rivers all to pass through the hydraulic turbine, improves the generating capacity. In the electrolysis device 18, the water outlet pipe of the electrolysis bath can be lower than the water inlet pipe or higher than the water inlet pipe; is lower than the water inlet pipe to facilitate water drainage, and is higher than the water inlet pipe to facilitate prolonging the electric flocculation time and enhancing the treatment effect of nitrogen and phosphorus removal.
The top treatment unit is provided with a sewage filtering area, the filtering area is provided with a filter screen 4, sewage flowing into the channel is pretreated, and impurities such as solid garbage and the like are removed. As shown in fig. 2, the filter screen is a square frame-shaped net bag, and is fixed on the water passing opening and the baffle plate of the partition wall in an embedding and buckling manner, so that the filter screen is conveniently treated regularly; three baffle plates 5 are arranged side by side with the sewage filtering area to prevent short flow, the partition walls in the area adopt a mode of opening the upper end, and the water outlets 6 on the front partition wall and the rear partition wall are lower than the water inlet 3.
At least one stage of intermediate treatment unit is arranged below the top treatment unit, each intermediate treatment unit comprises a water flow gathering area, biological fillers 10 are filled in the water flow gathering area to form a sewage biodegradation area, a water inlet pipe 9 and a water outlet pipe 12 are correspondingly arranged on the front partition wall and the rear partition wall of the water flow gathering area, the water inlet pipe 9 extends into the bottom of the fillers to ensure the contact time of sewage and the biological fillers and enhance the treatment effect, and the installation position of the water outlet pipe 12 is lower than that of the water inlet pipe 9.
And an artificial wetland 19 is also arranged at the outlet of the channel main body 7 to play a role in ensuring. The wetland adopts a vertical subsurface flow type constructed wetland, the filler can be selected in a plurality of combinations according to the characteristics of sewage, and the optional filler comprises: sandstone, broken tiles, slag, zeolite and some synthetic materials or industrial byproducts, and the like, and the plants are selected from emergent aquatic plants such as reed, cattail, loosestrife, canna, saxifraga stolonifera, thalictrum ramosissimum and the like. The treated water directly flows into the artificial wetland 19 through the water outlet pipe of the electrolytic tank, reaches the purpose of purification through different substrate layers and plants, and then flows into the water collecting tank 20.
The top treatment unit firstly filters the sewage by taking the filtering area as an auxiliary facility to remove larger solid impurities; the intermediate treatment unit carries out preliminary biodegradation on the sewage by using biological fillers; the final treatment unit recovers energy by utilizing the hydraulic potential energy of the falling sewage in the drop well and supplies the energy to the electrolysis device to carry out nitrogen and phosphorus removal treatment on the sewage. And finally, taking the artificial wetland as the final safety guarantee. The invention can fully utilize the energy of the drop well to carry out nitrogen and phosphorus removal on the sewage to a greater extent, integrates the conveying and treatment of the sewage, does not need to occupy additional land, is simple and convenient to manage and has high treatment efficiency.
Claims (5)
1. A conveying channel capable of treating sewage comprises a channel main body (7), biological fillers (10) and a perforated cover plate (1), wherein the perforated cover plate (1) is arranged on the channel main body (7), the bottom of the channel is provided with a proper gradient, and a plurality of stages of treatment units of stepped water drop are formed by separating walls, wherein a water flow collection and retention area of at least one stage of treatment unit is filled with the biological fillers; the method is characterized in that: the final-stage treatment unit comprises a drop well (17), a water turbine (14), a generator (15) and an electrolysis device (18), wherein the water turbine (14) is arranged at the lower part of the drop well (17), the generator (15) is fixed outside the drop well (17), the water turbine (14) is connected with the generator (15) through a shaft, a water inlet is formed in the side wall of the upper part of the drop well (17), a water outlet in the lower part of the drop well (17) is communicated with an electrolysis bath of the electrolysis device (18), the output end of the generator (15) is connected with an electrode of the electrolysis device (18) through an electric wire, and water is.
2. The transport channel for sewage treatment as claimed in claim 1, wherein: the generator (15) is arranged on the top cover of the drop well (17), a flow groove (13) is dug at the bottom of the canal between the water inlet of the drop well (17) and the upper-level treatment unit, a sewage pipe (16) is sleeved outside the hydraulic turbine (14), and the flow groove (13) is communicated with the sewage pipe (16).
3. A transport channel for sewage treatment according to claim 1 or 2, characterised in that: the top treatment unit is provided with a sewage filtering area, the filtering area is provided with a filter screen (4), three baffle plates (5) are arranged in parallel with the sewage filtering area, and water outlets (6) on the front partition wall and the rear partition wall are lower than a water inlet (3).
4. A transport channel for sewage treatment according to claim 3, characterised in that: at least one stage of intermediate treatment unit is arranged below the top treatment unit, each intermediate treatment unit comprises a water flow gathering area, biological fillers (10) are filled in the water flow gathering area to form a sewage biodegradation area, a water inlet pipe (9) and a water outlet pipe (12) are correspondingly arranged on the front partition wall and the rear partition wall of the water flow gathering area, the water inlet pipe (9) extends into the bottoms of the fillers, and the installation position of the water outlet pipe (12) is lower than that of the water inlet pipe (9).
5. The transport channel for sewage treatment as claimed in claim 4, wherein: an artificial wetland (19) is also arranged at the outlet of the channel main body (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110327804.2A CN112830643A (en) | 2021-03-26 | 2021-03-26 | Conveying channel capable of treating sewage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110327804.2A CN112830643A (en) | 2021-03-26 | 2021-03-26 | Conveying channel capable of treating sewage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112830643A true CN112830643A (en) | 2021-05-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110327804.2A Pending CN112830643A (en) | 2021-03-26 | 2021-03-26 | Conveying channel capable of treating sewage |
Country Status (1)
| Country | Link |
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| CN (1) | CN112830643A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116425315A (en) * | 2023-05-25 | 2023-07-14 | 中交第三公路工程局有限公司 | Constructed wetland system based on electrodynamic strengthening denitrification |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102795743A (en) * | 2012-08-10 | 2012-11-28 | 杭州净洋环保科技有限公司 | Maintenance repair apparatus for closed water bodies |
| CN202625990U (en) * | 2011-08-15 | 2012-12-26 | 重庆大学 | Aeration-type sludge conveying treatment channel for dropping water |
| WO2014190874A1 (en) * | 2013-05-31 | 2014-12-04 | 波鹰(厦门)科技有限公司 | Apparatus and method for treating tobacco sheet production wastewater |
| CN105399282A (en) * | 2015-12-22 | 2016-03-16 | 郑州大学 | Water purification microbiological fuel cell filter dam |
| CN105525672A (en) * | 2015-01-16 | 2016-04-27 | 厦门市政工程公司 | Energy collection device on drop well part |
| CN110683717A (en) * | 2019-11-05 | 2020-01-14 | 浙江大学 | Electrode biomembrane device for in-situ denitrification and dephosphorization of farmland ditch and use method thereof |
| CN112470874A (en) * | 2020-11-24 | 2021-03-12 | 中国地质大学（武汉） | Automatic irrigation and drainage system for climate self-adaptive paddy field |
| CN214654325U (en) * | 2021-03-26 | 2021-11-09 | 重庆大学 | Conveying channel capable of treating sewage |
-
2021
- 2021-03-26 CN CN202110327804.2A patent/CN112830643A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202625990U (en) * | 2011-08-15 | 2012-12-26 | 重庆大学 | Aeration-type sludge conveying treatment channel for dropping water |
| CN102795743A (en) * | 2012-08-10 | 2012-11-28 | 杭州净洋环保科技有限公司 | Maintenance repair apparatus for closed water bodies |
| WO2014190874A1 (en) * | 2013-05-31 | 2014-12-04 | 波鹰(厦门)科技有限公司 | Apparatus and method for treating tobacco sheet production wastewater |
| CN105525672A (en) * | 2015-01-16 | 2016-04-27 | 厦门市政工程公司 | Energy collection device on drop well part |
| CN105399282A (en) * | 2015-12-22 | 2016-03-16 | 郑州大学 | Water purification microbiological fuel cell filter dam |
| CN110683717A (en) * | 2019-11-05 | 2020-01-14 | 浙江大学 | Electrode biomembrane device for in-situ denitrification and dephosphorization of farmland ditch and use method thereof |
| CN112470874A (en) * | 2020-11-24 | 2021-03-12 | 中国地质大学（武汉） | Automatic irrigation and drainage system for climate self-adaptive paddy field |
| CN214654325U (en) * | 2021-03-26 | 2021-11-09 | 重庆大学 | Conveying channel capable of treating sewage |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116425315A (en) * | 2023-05-25 | 2023-07-14 | 中交第三公路工程局有限公司 | Constructed wetland system based on electrodynamic strengthening denitrification |
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