CN114716123A - Household purification tank and oxidation ditch combined rural sewage treatment multi-circulation system - Google Patents
Household purification tank and oxidation ditch combined rural sewage treatment multi-circulation system Download PDFInfo
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- 239000010865 sewage Substances 0.000 title claims abstract description 56
- 230000003647 oxidation Effects 0.000 title claims abstract description 26
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 26
- 238000000746 purification Methods 0.000 title abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 66
- 238000005273 aeration Methods 0.000 claims abstract description 25
- 239000000945 filler Substances 0.000 claims description 5
- 241001465754 Metazoa Species 0.000 claims description 4
- 239000002689 soil Substances 0.000 claims description 3
- 230000035943 smell Effects 0.000 abstract 1
- 241000196324 Embryophyta Species 0.000 description 15
- 238000003973 irrigation Methods 0.000 description 13
- 230000002262 irrigation Effects 0.000 description 13
- 239000002420 orchard Substances 0.000 description 6
- 238000003860 storage Methods 0.000 description 6
- 239000002351 wastewater Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 4
- 229910052698 phosphorus Inorganic materials 0.000 description 4
- 239000011574 phosphorus Substances 0.000 description 4
- 230000009102 absorption Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000003851 biochemical process Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 230000029553 photosynthesis Effects 0.000 description 2
- 238000010672 photosynthesis Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000006722 reduction reaction Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000447 pesticide residue Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000011268 retreatment Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
- C02F11/04—Anaerobic treatment; Production of methane by such processes
-
- 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
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1257—Oxidation ditches
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- 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
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Botany (AREA)
- Biotechnology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention relates to the field of rural domestic sewage treatment, in particular to a multi-circulation system for treating rural sewage by combining a household purification tank and an oxidation ditch, wherein the multi-circulation system for treating the rural sewage is arranged in rural household villages which are gathered into a group, at least one group is arranged at intervals to form a unit, a closed-loop ecological ditch branched chain is arranged at the periphery of each group, the ecological ditch branched chains are mutually communicated to form a complete ecological ditch general chain, and a plug-flow aeration device is arranged on the ecological ditch branched chain or the ecological ditch general chain. Effectively solves the problems that the rural residential village pipe network smells and the treated water can not be recycled.
Description
Technical Field
The invention relates to the field of rural domestic sewage treatment, in particular to a sewage treatment ecosystem for small villages which are built in beautiful villages and are arranged in a row.
Background
The existing rural village domestic sewage treatment generally adopts the same form as urban domestic sewage: the sewage is conveyed to a sewage plant or a sewage treatment terminal through a sewage pipe network, but the mode of utilizing the urban sewage pipe network causes the difficult-to-solve defects due to the small number of rural village households and relative dispersion, and the sewage treatment system specifically comprises the following points:
1. because the number of households in rural villages is small, the water consumption in the whole day is small, and the time is in the morning and evening time periods, the stored water in the pipe network is little in the rest time period, solid dirt such as excrement and the like is accumulated in the pipe body to carry out anaerobic reaction, and a large amount of odor is generated;
2. because can't carry out effectual sealing to the pipe network, lead to the foul smell to spill over in a large number, influence rural resident living environment.
The invention discloses a simple rural domestic sewage wetland treatment system, which comprises rural domestic sewage household owners, conventional septic tanks correspondingly connected with the rural domestic sewage household owners through sewage pipes, and water outlet pipes for converging the conventional septic tanks, wherein the water outlet pipes are connected with integrated purification tanks, and the integrated purification tanks are discharged into the artificial wetland through pipelines. Realizing multi-section biochemical treatment effect; keeping higher active sludge concentration; the purification tank is not blocked; the collection and the collection of the dispersed domestic sewage at four places are realized, and the sewage is treated together; the sewage treatment achieves the effect of total nitrogen and total phosphorus A; aerobic activated sludge particles are used for synchronously realizing nitrification and denitrification, and the artificial wetland is used without artificial retreatment of the discharged water. According to the technical scheme, a mode of arranging a pipe network in a rural area is cancelled, and the problems of stink generation of the pipe network, irregularity of rural water using time periods and less water amount are solved by adopting a mode of one household and one purification tank, but sewage after treatment is directly discharged into the artificial wetland, cannot be reused for the second time, cannot realize the ecological civilization idea that beautiful villages respect nature, conform to nature and protect nature, and still needs further optimization and improvement.
Chinese patent publication No. CN 108411845 a discloses an ecological cycle ditch pond treatment system for orchard tail water, comprising: ecological cycle irrigation canals and ditches and ecological pond, the ecological cycle irrigation canals and ditches set up around the orchard, be provided with first pipeline between ecological cycle irrigation canals and the ecological pond and be linked together, be provided with the water pump on the first pipeline, orchard earth's surface is planted and is covered by the plant, ecological pond bank edge is planted and is had the bank protection trees, be provided with the chinampa in the ecological pond, it has hydrophilic plant to plant on the chinampa. Through the mode, the ecological cycle ditch and pond treatment system for the orchard tail water utilizes the ground cover plants to carry out primary purification on the orchard tail water, removes partial nitrogen and phosphorus nutrients and pesticide residues, then the tail water flows into the ecological cycle ditch, the emergent aquatic plants and the hygrophytes in the ecological cycle ditch are used for further purification, and the redundant water flows into the ecological pond to form virtuous cycle. The technical scheme discloses a method for forming an ecological ditch, which well plays a role in treating the tail water of the orchard, but the water in the ditch does not flow circularly and is not aerated, so that the method cannot be suitable for rural domestic sewage.
Chinese patent publication No. CN 113149331 a discloses a pond bypass circulation water purification system, the pond bypass circulation water purification system includes: a culture pond; the ecological ditch is connected with the water outlet of the culture pond and is used for purifying the wastewater of the culture pond through plants in the ecological ditch; the artificial wetland is connected with the water outlet of the ecological ditch and is used for adsorbing pollutants in the wastewater of the culture pond; and the ecological pond is connected with the water outlet of the artificial wetland and is used for further purifying the wastewater in the culture pond. The plant roots planted in the ecological ditch can adsorb pollutants such as organic matters in the culture wastewater, so that the water quality can be purified. The ecological ditch, the artificial wetland and the ecological pond are matched to achieve the purpose of fully purifying the culture wastewater. The technical scheme also adopts a mode that an ecological ditch is arranged at the position of the water body to be treated, and the culture pond is purified by aquatic plants in the ecological ditch, but the application of the ecological ditch in rural villages has technical difficulty.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the ecological ditch circulating system for the connected villages, which effectively solves the problems that the village pipe networks in the connected villages are smelly and the treated water cannot be recycled.
In order to solve the technical problems, the following technical scheme is provided: the household type purifying tank and the oxidation ditch are combined to treat a rural sewage multi-circulation system, the ecological ditch circulation system is arranged in rural household villages, the household villages are formed by gathering a plurality of rural domestic sewage household owners into a group, at least one group is arranged at intervals to form a unit, a sewage pipe of each rural domestic sewage household owner is connected with a septic tank, and the septic tank is connected with an integrated purifying tank; the ecological ditch general chain is provided with a drainage branch and is connected with an external river channel or a reservoir, a suction pump is arranged in the river channel or the reservoir and is connected with a return pipeline, the return pipeline is connected with an integrated sewage treatment device, a drain pipe of the integrated sewage treatment device is communicated with the ecological ditch general chain, a water outlet weir is arranged on the drainage branch, and a plug flow aeration device is arranged in the river channel or the reservoir to form a second oxidation ditch circulating system.
Preferably, the ecological ditch comprises a base layer, a ditch body arranged on the base layer and a tamping layer arranged below the base layer, wherein pebbles and/or biological fillers and/or aquatic animals and plants are arranged in the ditch body.
Preferably, the groove body has a trapezoidal cross section with a wide top and a narrow bottom. The depth of the groove is 20cm, and the width is 50 cm.
Preferably, the ecological ditch is provided with a plurality of flow pushing sections, each flow pushing section is a water storage pool body larger than the ditch body, and a flow pushing aeration rotary disc is arranged in each water storage pool body.
Preferably, the plug-flow aeration rotary disc and the integrated purification tank are connected with the solar photovoltaic module.
Preferably, the rammed layer is provided with gravels and rammed plain soil from top to bottom.
Preferably, the diameter of the disc of the plug flow aeration rotary disc is 600-1000 mm.
The invention has the beneficial effects that:
(1) the outlet water of the household integrated purification tank is combined with a circulating ecological ditch to form a primary oxidation ditch system, a river channel or a water storage ditch is communicated with the ecological ditch to form a secondary circulating oxidation ditch system, the outlet water of the purification tank is secondarily purified by using an oxidation ditch process, black and odorous water in the river channel is pretreated, and a water source is supplemented to the primary oxidation ditch system in a water shortage state;
(2) through setting up the aeration rotary disk, can purify the water after the groove preliminary treatment with the integral type and input ecological irrigation canals and ditches constantly. Because the aeration rotary butterfly can not only push flow but also carry out aeration, the concentration of dissolved oxygen in the water body entering the ecological ditch is improved, and COD, ammonia nitrogen and total phosphorus in the water body are removed in biochemical processes of microbial oxidation, reduction and absorption, photosynthesis, absorption and the like of aquatic plants;
(3) because the open type and circulating flow type ditch bodies are adopted, sunlight and air intervene, the generation of black and odorous water is effectively prevented, the accumulation of solid wastes of a pipe network in a period of water shortage is effectively solved, and the generation of odor is prevented.
Aquatic plants and aquatic animals can be arranged in the open ditches to form a water body ecological chain, and the water body ecological chain has a purification function and ornamental value.
(4) Through set up floated rotary disk aeration machine in the river course and set up integrated sewage treatment plant and purify the back with the water and flow back to the ecological irrigation canals and ditches in to the water in the irrigation canals and ditches dilute the evolution, in the ecological irrigation canals and ditches are discharged into the river course once more through the water after the circulation purifies, purify the dilution to the water in the river course to reach two-stage oxidation ditch system and all reach water emission standard.
Drawings
Fig. 1 is a schematic system diagram of this embodiment 1.
Fig. 2 is a sectional view of the ecological canal of the present embodiment 1.
Fig. 3 is a schematic system diagram of this embodiment 2.
Detailed Description
Example 1: as shown in figures 1 and 2, the household purifying tank and the oxidation ditch are combined to treat a rural sewage multi-circulation system,
the ecological ditch circulating system is arranged in rural household villages, each household village is formed by gathering a plurality of rural domestic sewage household owners 1.1 into one group 1, the three groups 1 are arranged at intervals to form a unit 2, each rural domestic sewage household owner 1.1 is connected with a septic tank 3, the septic tank 3 is connected with an integrated purifying groove 4, a closed-loop ecological ditch branched chain 5 is arranged at the periphery of each group, water outlet pipes of the integrated purifying grooves 4 of each household are connected with the ecological ditch branched chains 5, the ecological ditch branched chains 5 are mutually communicated to form a complete ecological ditch general chain 6, and push-flow aeration rotary disks 7 are arranged on the ecological ditch branched chains 5 and the ecological ditch general chain 6 to form a first oxidation ditch circulating system; ecological irrigation canals and ditches total chain 6 is provided with drainage branch 8 and connects outside river course 9, is provided with suction pump 10 in the river course 9, and return line 11 is connected to suction pump 10, and return line 11 connects integration sewage treatment plant 12, and integration sewage treatment plant 12 drain pipe intercommunication ecological irrigation canals and ditches total chain 6 is provided with floated plug flow aeration commentaries on classics 13 in the river course 9, constitutes second oxidation ditch circulation system, is provided with out mill weir 14 on the drainage branch 8.
The suspended plug-flow aeration rotary disc 13 and the integrated purification tank 4 are both connected with a solar photovoltaic component.
The ecological ditch 16 comprises a base layer 16.1, a ditch body 16.2 arranged on the base layer 16.1 and a tamping layer 16.3 below the base layer 16.1, wherein gravels 16.3.1 and tamped plain soil 16.3.2 are arranged on the tamping layer 16.3 from top to bottom, and pebbles 17, biological fillers 18 and aquatic plants 19 are arranged in the ditch body 16.2. The section of the ecological ditch body 16.2 is in a trapezoid shape with a wide upper part and a narrow lower part. The depth of the groove is 40cm, the maximum width is 50cm, and the minimum width of the bottom is 20 cm.
The integrated sewage treatment device 12 is a conventional integrated sewage treatment device on the market, and is generally a water treatment device with an MBR membrane.
Due to the adoption of the facility, the discharged water of the integrated purifying tank flows into the ecological ditch, the water in the whole ecological ditch circularly flows through the plug-flow aeration of the aeration rotary disc in the ecological ditch to form a natural oxidation ditch, the aeration and the photosynthesis of aquatic plants supply oxygen to water, and the degradation of soluble pollutants such as COD, ammonia nitrogen, total phosphorus and the like is completed through the biochemical processes of oxidation, reduction, absorption and the like of microorganisms on the biological filler; the circulating water in the ecological ditch flows into the river channel through the water outlet weir on the drainage branch, and microorganisms on part of the biological filler are washed into the river channel, so that the pollution self-cleaning capacity of the river channel is improved, the reconstruction and the recovery of aquatic animals and plants are facilitated, and the construction of a good ecological system is realized. Carry out the plug flow aeration to the water further through setting up floated aeration rotary table in the river course, realize the self-purification of black smelly water, and with the water in river course through integration sewage treatment plant processing back, squeeze into ecological irrigation canals and ditches once more with the pump in, when carrying out the moisturizing to the ecological irrigation canals and ditches, further utilize ecological irrigation canals and ditches to carry out the secondary to the water of squeezing into, water after the secondary purifies flows into the river course once more, the circulation is relapse, thereby all played the purifying action to ecological irrigation canals and river course water, rural water environment has been improved.
Example 2: as shown in fig. 3, the household purifying tank and the oxidation ditch are combined to treat the rural sewage multi-circulation system,
the ecological ditch circulating system is arranged in rural household villages, each household village is formed by gathering a plurality of rural domestic sewage household owners 1.1 into one group 1, three groups 1 are arranged at intervals to form a unit 2, each rural domestic sewage household owner 1.1 sewage pipe is connected with a septic tank 3, the septic tank 3 is connected with an integrated purification tank 4, a closed-loop ecological ditch branched chain 5 is arranged at the periphery of each group, the water outlet pipe of each household integrated purification tank 4 is connected with the ecological ditch branched chain 5, the ecological ditch branched chains 5 are mutually communicated to form a complete ecological ditch general chain 6, a second water storage tank 20 is dug on the ecological ditch branched chain 5 and the ecological ditch general chain 6, the length, width and height of the second water storage tank 20 are 1500, and a plug flow aeration rotary disc 7 is arranged in the second water storage tank 20 to form an oxidation ditch circulating system; the diameter of the disc of the plug flow aeration rotary disc 7 is 600-1000 mm. The ecological ditch general chain 6 is provided with a drainage branch 8 connected with a first reservoir 21, the drainage branch 8 is provided with a water outlet weir 14, the first reservoir 21 is provided with a suction pump 10, and the suction pump 10 is connected with the ecological ditch general chain 6 through a return pipeline 11.
By adopting the arrangement, the first reservoir is dug on the path of the ecological ditch, the aeration rotating disc with the diameter of 600-1000mm is arranged in the first reservoir, the plug flow and aeration efficiency is greatly improved, and rainwater is hoarded by the second reservoir to supplement water for the ecological ditch.
The foregoing embodiments illustrate the principles, principal features and advantages of the invention, and it will be understood by those skilled in the art that the invention is not limited to the foregoing embodiments, which are merely illustrative of the principles of the invention, and that various changes and modifications may be made therein without departing from the scope of the principles of the invention.
Claims (7)
1. The household type purifying tank and the oxidation ditch are combined to treat a rural sewage multi-circulation system, the ecological ditch circulation system is arranged in rural household villages, the household villages are formed by gathering a plurality of rural domestic sewage household owners into a group, at least one group is arranged at intervals to form a unit, a sewage pipe of each rural domestic sewage household owner is connected with a septic tank, and the septic tank is connected with an integrated purifying tank; the ecological ditch general chain is provided with a drainage branch to be connected with an external river channel or a reservoir, a suction pump is arranged in the river channel or the reservoir and connected with a return pipeline, the return pipeline is connected with an integrated sewage treatment device, a drain pipe of the integrated sewage treatment device is communicated with the ecological ditch general chain, a water outlet weir is arranged on the drainage branch, and a plug flow aeration device is arranged in the river channel or the reservoir to form a second oxidation ditch circulating system.
2. The household purifying tank and oxidation ditch combined rural sewage multi-circulation system as claimed in claim 1, wherein the ecological ditch comprises a base layer, a ditch body arranged on the base layer and a tamping layer arranged below the base layer, and pebbles andor biological fillers andor aquatic animals and plants are arranged in the ditch body.
3. The household purifying tank and oxidation ditch combined rural sewage multi-circulation system for treating the sewage according to claim 2, wherein the cross section of the ditch body is a trapezoid with a wide top and a narrow bottom.
4. The household purifying tank and oxidation ditch combined rural sewage multi-circulation system as claimed in claim 1, wherein the ecological ditch is provided with a plurality of plug flow sections, the plug flow sections are a second reservoir larger than the ditch body, and a plug flow aeration rotary disk is arranged in the second reservoir.
5. The household purifying tank and oxidation ditch combined rural sewage treatment multi-circulation system as claimed in claim 1, wherein the plug-flow aeration rotary disk and the integrated purifying tank are connected with a solar photovoltaic module.
6. The household purifying tank and oxidation ditch combined rural sewage treatment multi-circulation system as claimed in claim 1, wherein the rammed layer is provided with gravel and rammed plain soil from top to bottom.
7. The household purifying tank and oxidation ditch combined rural sewage multi-circulation system as claimed in claim 4, wherein the disc diameter of the plug-flow aeration rotary disc is 600-1000 mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210274731.XA CN114716123A (en) | 2022-03-21 | 2022-03-21 | Household purification tank and oxidation ditch combined rural sewage treatment multi-circulation system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210274731.XA CN114716123A (en) | 2022-03-21 | 2022-03-21 | Household purification tank and oxidation ditch combined rural sewage treatment multi-circulation system |
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| CN114716123A true CN114716123A (en) | 2022-07-08 |
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| CN202210274731.XA Pending CN114716123A (en) | 2022-03-21 | 2022-03-21 | Household purification tank and oxidation ditch combined rural sewage treatment multi-circulation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117361812A (en) * | 2023-12-07 | 2024-01-09 | 广州市水之道环境科技有限公司 | Low-load aquaculture pond tail water recycling system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101823791A (en) * | 2009-03-18 | 2010-09-08 | 吉首大学 | Underground oxidation ditch sewage treatment system |
| CN208135957U (en) * | 2018-01-10 | 2018-11-23 | 中冶华天工程技术有限公司 | Bypass circuit purifying ecological trench system |
| CN112189603A (en) * | 2020-09-28 | 2021-01-08 | 上海知洋信息科技有限公司 | Self-cleaning type internal and external double-circulation river crab ecological breeding system |
| CN215208702U (en) * | 2020-12-22 | 2021-12-17 | 贵州大学 | Rural sewage combination formula processing system |
-
2022
- 2022-03-21 CN CN202210274731.XA patent/CN114716123A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101823791A (en) * | 2009-03-18 | 2010-09-08 | 吉首大学 | Underground oxidation ditch sewage treatment system |
| CN208135957U (en) * | 2018-01-10 | 2018-11-23 | 中冶华天工程技术有限公司 | Bypass circuit purifying ecological trench system |
| CN112189603A (en) * | 2020-09-28 | 2021-01-08 | 上海知洋信息科技有限公司 | Self-cleaning type internal and external double-circulation river crab ecological breeding system |
| CN215208702U (en) * | 2020-12-22 | 2021-12-17 | 贵州大学 | Rural sewage combination formula processing system |
Non-Patent Citations (1)
| Title |
|---|
| 国家科学技术委员会: "小城镇污水处理新技术及应用研究", 31 December 1985, 哈尔滨工业大学出版社, pages: 358 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117361812A (en) * | 2023-12-07 | 2024-01-09 | 广州市水之道环境科技有限公司 | Low-load aquaculture pond tail water recycling system |
| CN117361812B (en) * | 2023-12-07 | 2024-03-15 | 广州市水之道环境科技有限公司 | Low-load aquaculture pond tail water recycling system |
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Application publication date: 20220708 |