CN210656590U - Buried rural domestic sewage treatment system - Google Patents
Buried rural domestic sewage treatment system Download PDFInfo
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- CN210656590U CN210656590U CN201921425251.9U CN201921425251U CN210656590U CN 210656590 U CN210656590 U CN 210656590U CN 201921425251 U CN201921425251 U CN 201921425251U CN 210656590 U CN210656590 U CN 210656590U
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Abstract
The utility model discloses a bury rural domestic sewage treatment system of formula, purify unit and constructed wetland unit including the integral type, the integral type purifies the unit and includes the electrolysis trough with the inlet channel intercommunication, the electrolysis trough communicates in proper order simultaneously has anaerobic contact pond and biological filter, biological filter's delivery port and constructed wetland unit intercommunication, the sewage that is purified by biological filter get into constructed wetland unit, constructed wetland unit includes the wetland monomer, one side that the integral type was kept away from to the wetland monomer purifies the unit is equipped with the sump pit, the wetland monomer with the sump pit is linked together. The utility model discloses can reach the effect that improves rural area sewage treatment environment with the effectual degradation of pollutant in the family's sewage, solve rural dispersion of living, the topography condition is complicated, the difficult extensive pipe network of sewage is concentrated the treatment problem of the rural sewage of collecting.
Description
Technical Field
The utility model relates to a sewage treatment technical field specifically is a bury rural domestic sewage treatment system.
Background
With the rapid development of rural economy in China, the water resource consumption is increased rapidly, the pollutant discharge is increased continuously, and the rural domestic sewage becomes one of the main reasons for the rural water environment deterioration gradually. However, people in rural areas are weak in environmental protection consciousness, relatively underdeveloped in economy and lack of a domestic sewage drainage collecting pipe network system and a centralized treatment facility; or the living is dispersed, which causes difficulty in centralized collection of domestic sewage and causes serious pollution because more than 90% of domestic sewage is directly discharged into rivers and lakes without treatment.
The rural domestic sewage water quality basically does not contain heavy metals and toxic and harmful substances, contains a certain amount of nitrogen and phosphorus, and has large water quality fluctuation and strong biodegradability.
The existing treatment method for rural domestic sewage mainly comprises a physical method and a biological method, wherein the physical method comprises the steps of screening, precipitation, air flotation, filtration, membrane separation and other technologies; the biological method for treating sewage utilizes the degradation of microorganisms to convert and absorb organic pollutants in the sewage; both methods have advantages and disadvantages, but the treatment effect is not ideal due to insufficient control of each step.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a buried rural domestic sewage treatment system.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a bury rural domestic sewage treatment system of formula, includes integral type purification unit and constructed wetland unit, the integral type purifies the unit and includes the electrolysis trough with the inlet channel intercommunication, the electrolysis trough communicates in proper order simultaneously has anaerobic contact pond and biofilter, the delivery port and the constructed wetland unit intercommunication of biofilter, the sewage that purifies by the biofilter get into the constructed wetland unit, the constructed wetland unit includes the wetland monomer, one side that the integral type purification unit was kept away from to the wetland monomer is equipped with the sump pit, the wetland monomer with the sump pit is linked together.
The wetland monomer is preferably provided with aquatic plants, a 200-400 mm planting soil layer, a 200-400 mm coarse sand packing layer and a 300-500 mm cobblestone packing layer from top to bottom in sequence.
Preferably, the coarse sand packing layer is composed of coarse sand with the diameter of 1-5 mm.
Preferably, the cobblestone packing layer is composed of cobblestones with the diameter of 5-20 mm.
Preferably, the aquatic plant is one or more selected from cress, cattail, calamus, allium mongolicum regel, cattail and reed.
Preferably, the electrolytic cell is internally provided with an electrolytic device, one end of the electrolytic device is provided with an anode, and the other end of the electrolytic device is provided with a cathode.
Preferably, the floating colored glaze ball is thrown into the biological filter.
Preferably, the rural domestic sewage is derived from toilet flushing water, kitchen washing water, shower drainage water and livestock manure water of farmhouses.
The utility model discloses an advantage and positive effect:
(1) the engineering is beautiful, the integrated equipment is buried, and the land occupation is almost avoided;
(2) the process is reasonable, and pollutants in rural domestic sewage can be effectively degraded to meet the requirements of relevant standards;
(3) the water quality and water quantity change adaptive water quality and water quantity change is achieved;
(4) the artificial wetland design is suitable according to local conditions, and the greening effect is good;
(5) no power consumption, convenient management, only once sludge removal every year;
(6) the effluent can be used for watering courtyard plants and the like, and water resources are saved.
The utility model discloses can reach the effect that improves rural area sewage treatment environment with the effectual degradation of pollutant in the family's sewage, solve rural dispersion of living, the topography condition is complicated, the difficult extensive pipe network of sewage is concentrated the treatment problem of the rural sewage of collecting.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
the notations in FIG. 1 have the following meanings: 1-water inlet pipeline, 2-electrolytic bath, 3-anaerobic contact tank, 4-biological filter tank, 5-water collecting well, 6-aquatic plant, 7-planting soil layer, 8-coarse sand packing layer, 9-cobblestone packing layer and 10-floating colored glaze ball.
Detailed Description
In the description of the present invention, it is to be understood that the directions or positional relationships indicated by the terms "upper", "lower", "top", "bottom", "inner", "outer", etc. are all the directions or positional relationships shown on the drawings, and the objects are only for convenience of description of the present invention and simplification of description, and do not indicate or imply that the parts indicated must have a specific direction, be constructed and operated in a specific direction, and thus, are not to be construed as limiting the present invention.
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
The utility model provides a bury rural domestic sewage treatment system, as shown in figure 1, including integral type purification unit and constructed wetland unit, the integral type purifies the unit and includes the electrolysis trough 2 with inlet channel 1 intercommunication, electrolysis trough 2 communicates in proper order simultaneously has anaerobism contact pond 3 and biofilter 4, the delivery port and the constructed wetland unit intercommunication of biofilter 4, the sewage that is purified by biofilter 4 gets into constructed wetland unit, constructed wetland unit includes the wetland monomer, one side that the integral type purified the unit is kept away from to the wetland monomer is equipped with sump pit 5, the wetland monomer with sump pit 5 is linked together.
The wetland monomer is sequentially provided with an aquatic plant 6, a planting soil layer 7 of 200-400 mm, a coarse sand packing layer 8 of 200-400 mm and a cobblestone packing layer 9 of 300-500 mm from top to bottom; the coarse sand packing layer 8 is composed of coarse sand with the diameter of 1-5 mm; the cobblestone packing layer 9 is composed of cobblestones with the diameter of 5-20 mm. The aquatic plant 6 is selected from one or more of cress, cattail, calamus, allium mongolicum regel, cattail and reed.
An electrolytic device is arranged in the electrolytic cell 2, one end of the electrolytic device is provided with an anode, and the other end of the electrolytic device is provided with a cathode; the floating colored glaze ball 10 is thrown into the biological filter 4.
The rural domestic sewage is mainly from toilet flushing water, kitchen washing water, shower drainage, livestock manure water and the like of farmhouses.
When the utility model is used for treating rural domestic sewage, sewage firstly enters the electrolytic tank 2, oxidation is generated on the anode under the action of current to generate hydroxyl free radicals, the hydroxyl free radicals have strong oxidability, organic matters which are difficult to oxidize can be converted into water and carbon dioxide, reduction is generated on the cathode, and heavy metal ions in the sewage are removed; then the sewage enters an anaerobic contact tank 3 to further remove organic matters in domestic sewage by utilizing the anaerobic fermentation principle, floating colored glaze ball 11 filler is put into a biological filter tank 4, under the action of water flow, pollutants and the floating colored glaze ball 11 filler are fully contacted to further degrade the organic matters in the sewage, meanwhile, anaerobic microorganisms growing on the filler form a layer of biomembrane, the biomembrane has the adsorption effect, the suspension in the sewage is filtered, the removal effect of suspended matters in the sewage is ensured, and the blockage of the artificial wetland at the lower end is prevented; the integrated purification unit treats the sewage reaching the standard and enters the artificial wetland unit to further treat the sewage, pollutants in the sewage are adsorbed, filtered and decomposed by the bed body to achieve the water quality purification effect, and redundant sewage enters the sump pit and reversely feeds the artificial wetland when waiting for drought.
The sewage treated by the utility model can reach the secondary standard water quality index of pollutant discharge standard of urban sewage treatment plant (GB 18918-2002).
The pollutants (main environmental influence factors) aimed by the artificial wetland unit mainly comprise nitrogen, phosphorus, suspended matters (SS), organic matters (BOD and COD), heavy metals and the like.
Removal of suspended matter (SS): mainly through the filtration of matrix, sludge sedimentation and root system attachment. To prevent blockage near the water inlet, a pretreatment is provided to reduce the total solids concentration prior to water entry, and a settling tank is typically provided.
Removal of organic matter (BOD, COD): the microorganisms form a layer of biological membrane on the surface of soil particles with huge specific surface area, when sewage flows through the surface of the soil particles, insoluble organic matters are intercepted through the precipitation, filtration and adsorption of a matrix and then are utilized by the microorganisms; the soluble organic matter is decomposed and removed through the adsorption and absorption of plant root system biomembrane and the metabolism of microbe.
Removing nitrogen and phosphorus: nitrogen in the wastewater includes inorganic nitrogen and organic nitrogen. Inorganic nitrogen includes ammonia nitrogen, nitrite and nitrate; organic nitrogen includes urea, amino acids, purines and pyrimidines. The removing way comprises the adsorption, filtration, precipitation, volatilization of the matrix, plant absorption, and the nitrification and denitrification of microorganisms.
Phosphorus in wastewater includes organic phosphorus and inorganic phosphorus. The removing way mainly comprises microbial assimilation, substrate adsorption, plant absorption and sludge precipitation.
And (3) removing heavy metals: the mechanism of removing the metal ions mainly comprises the absorption and enrichment of plants, the adsorption of soil colloid particles, the filtration and precipitation of suspended particles, and the removal of the heavy metals in the sewage by the artificial wetland is realized by the combined action of the plants, microorganisms, soil matrix and other components.
The above-mentioned embodiment is only the preferred embodiment of the present invention, all the basis the utility model discloses a technical entity all belongs to the utility model discloses any simple modification, modification and substitution change to what the above embodiment was done the within range of technical scheme.
Claims (8)
1. A buried rural domestic sewage treatment system is characterized in that: purify unit and constructed wetland unit including the integral type, the integral type purifies unit includes electrolysis trough (2) with inlet channel (1) intercommunication, electrolysis trough (2) communicate in proper order simultaneously have anaerobism contact pond (3) and biological filter (4), the delivery port and the constructed wetland unit intercommunication of biological filter (4), the sewage that is purified by biological filter (4) gets into the constructed wetland unit, the constructed wetland unit includes the wetland monomer, one side that the integral type purified the unit is kept away from to the wetland monomer is equipped with sump pit (5), the wetland monomer with sump pit (5) are linked together.
2. The buried rural domestic sewage treatment system of claim 1, wherein: the wetland monomer is from last to arranging aquatic plant (6), 200 ~ 400mm planting soil horizon (7), 200 ~ 400mm coarse sand packing layer (8) and 300 ~ 500mm cobblestone packing layer (9) down in proper order.
3. The buried rural domestic sewage treatment system of claim 2, wherein: the coarse sand packing layer (8) is composed of coarse sand with the diameter of 1-5 mm.
4. The buried rural domestic sewage treatment system of claim 2, wherein: the cobblestone packing layer (9) is composed of cobblestones with the diameter of 5-20 mm.
5. The buried rural domestic sewage treatment system of claim 2, wherein: the aquatic plant (6) is selected from one or more of cress, cattail, calamus, allium mongolicum regel, cattail and reed.
6. The buried rural domestic sewage treatment system of claim 1, wherein: an electrolytic device is arranged in the electrolytic tank (2), one end of the electrolytic device is provided with an anode, and the other end of the electrolytic device is provided with a cathode.
7. The buried rural domestic sewage treatment system of claim 1, wherein: and a floating colored glaze ball (10) is thrown into the biological filter (4).
8. The buried rural domestic sewage treatment system of claim 1, wherein: the rural domestic sewage is derived from toilet flushing water, kitchen washing water, shower drainage water and livestock manure water of farmhouses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921425251.9U CN210656590U (en) | 2019-08-29 | 2019-08-29 | Buried rural domestic sewage treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921425251.9U CN210656590U (en) | 2019-08-29 | 2019-08-29 | Buried rural domestic sewage treatment system |
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| Publication Number | Publication Date |
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| CN210656590U true CN210656590U (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921425251.9U Active CN210656590U (en) | 2019-08-29 | 2019-08-29 | Buried rural domestic sewage treatment system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112607869A (en) * | 2020-12-10 | 2021-04-06 | 上海林海生态技术股份有限公司 | Plant filter tank and method suitable for ecological toilet flushing water treatment |
| CN113105074A (en) * | 2021-04-13 | 2021-07-13 | 齐鲁工业大学 | Micro-power subsurface flow wetland system for treating rural sewage and working method thereof |
| CN114956354A (en) * | 2022-06-23 | 2022-08-30 | 北京建筑大学 | Rural household sewage in-situ treatment system and method |
-
2019
- 2019-08-29 CN CN201921425251.9U patent/CN210656590U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112607869A (en) * | 2020-12-10 | 2021-04-06 | 上海林海生态技术股份有限公司 | Plant filter tank and method suitable for ecological toilet flushing water treatment |
| CN113105074A (en) * | 2021-04-13 | 2021-07-13 | 齐鲁工业大学 | Micro-power subsurface flow wetland system for treating rural sewage and working method thereof |
| CN114956354A (en) * | 2022-06-23 | 2022-08-30 | 北京建筑大学 | Rural household sewage in-situ treatment system and method |
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