CN220845822U - Simple purifying tank device - Google Patents
Simple purifying tank device Download PDFInfo
- Publication number
- CN220845822U CN220845822U CN202322541672.0U CN202322541672U CN220845822U CN 220845822 U CN220845822 U CN 220845822U CN 202322541672 U CN202322541672 U CN 202322541672U CN 220845822 U CN220845822 U CN 220845822U
- Authority
- CN
- China
- Prior art keywords
- tank
- drain pipe
- layer
- sedimentation tank
- purifying
- 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.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 61
- 238000004062 sedimentation Methods 0.000 claims abstract description 60
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 34
- 238000000926 separation method Methods 0.000 claims abstract description 29
- 238000000746 purification Methods 0.000 claims abstract description 26
- 239000006004 Quartz sand Substances 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims description 14
- 239000010865 sewage Substances 0.000 claims description 12
- 239000004576 sand Substances 0.000 claims description 11
- 239000002689 soil Substances 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 9
- 239000004744 fabric Substances 0.000 claims description 6
- 239000004575 stone Substances 0.000 claims description 4
- 230000008595 infiltration Effects 0.000 claims 1
- 238000001764 infiltration Methods 0.000 claims 1
- 239000010797 grey water Substances 0.000 abstract description 9
- 239000003921 oil Substances 0.000 description 49
- 239000010410 layer Substances 0.000 description 48
- 244000005700 microbiome Species 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 239000004746 geotextile Substances 0.000 description 8
- 241000196324 Embryophyta Species 0.000 description 7
- 239000002351 wastewater Substances 0.000 description 7
- 238000001914 filtration Methods 0.000 description 6
- 239000000295 fuel oil Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 3
- 235000015097 nutrients Nutrition 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 244000205574 Acorus calamus Species 0.000 description 2
- 235000011996 Calamus deerratus Nutrition 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 2
- 238000006065 biodegradation reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 235000015816 nutrient absorption Nutrition 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 229920011532 unplasticized polyvinyl chloride Polymers 0.000 description 2
- 238000005276 aerator Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000005068 transpiration Effects 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Landscapes
- Treatment Of Biological Wastes In General (AREA)
Abstract
The utility model discloses a simple purifying tank device. The device comprises an oil separation sedimentation tank and a purification tank which are arranged under the ground, wherein the oil separation sedimentation tank is internally provided with an oil separation tank and a sedimentation tank, a first drain pipe is arranged at the lower part of the oil separation tank and is communicated into the sedimentation tank, a water outlet of the first drain pipe is higher than a water inlet of the first drain pipe, a second drain pipe is arranged between the sedimentation tank and the purification tank and is communicated with the bottom of the purification tank from top to bottom, a gravel layer, a cobble layer and a quartz sand layer are sequentially arranged in the purification tank from bottom to top, the position of a port of the second drain pipe, which is communicated with the sedimentation tank, is higher than the quartz sand layer in the purification tank, a third drain pipe connected with the second drain pipe is arranged at the outer side of the purification tank, the port of the third drain pipe, which is connected with the purification tank, is corresponding to the quartz sand layer in the purification tank, and a water seepage layer is arranged at the outer side of the third drain pipe. The utility model has reasonable structure, small occupied area and no power facilities, and is very suitable for treating single household or multi-household domestic grey water in rural areas.
Description
Technical Field
The utility model relates to a simple purifying tank device, which is mainly used for rural domestic sewage treatment.
Background
At present, most of purification tanks for treating sewage in the market are integrated purification tanks, and the integrated purification tanks need power supply, and are provided with an aerator which not only needs extra occupied space but also has certain noise and is not easy to be accepted by villages and citizens, and the integrated purification tanks are mainly used for treating domestic sewage of hotels, villas and residential communities and similar industrial organic sewage and are rarely used in rural areas.
Disclosure of utility model
Aiming at the defects in the prior art, the utility model provides a simple purifying tank device which has small occupied area and no power and is suitable for sewage treatment in rural areas.
The utility model is realized by the following technical scheme: a simple purifying tank device is characterized in that: including setting up in subaerial oil removal sedimentation tank, purifying tank, be provided with vertical baffle in the oil removal sedimentation tank and separate it into oil removal tank and sedimentation tank, sewage inlet tube is linked together with the oil removal tank, be provided with the filter basket in the oil removal tank, the lower part of oil removal tank is equipped with first drain pipe and lets in the sedimentation tank, the delivery port of first drain pipe is higher than its water inlet, be provided with the second drain pipe between sedimentation tank and the purifying tank, the one end and the sedimentation tank intercommunication of second drain pipe, the other end of second drain pipe is from top to bottom in the bottom of purifying tank, the port position of second drain pipe and sedimentation tank intercommunication is higher than the delivery port position of first drain pipe, from bottom to top has set gradually gravel layer, cobble layer, quartz sand layer in the purifying tank in the port position of second drain pipe and sedimentation tank intercommunication is higher than quartz sand layer in the purifying tank the outside of purifying tank is provided with the third drain pipe rather than being connected, the port that the third drain pipe is connected with the purifying tank corresponds to the quartz layer setting in the purifying tank, the third outside is provided with the water layer, the water inlet port of second drain pipe and third drain pipe has the water inlet port of water distribution.
When the device is used, domestic gray water is collected through the sewage inlet pipe and is collected into the oil separation tank of the oil separation sedimentation tank, larger suspended matters in the water are filtered through the filter basket, and when gray water flows in the oil separation tank, oil products float upwards under the upward floating action generated by the density difference of oil drops and water, so that floatable oil substances in the gray water are removed, and the floatable oil substances can be cleaned regularly. The water after oil-water separation enters a sedimentation tank of the oil separation sedimentation tank through a first water drain pipe, heavy oil and other impurities in the water are precipitated in the sedimentation tank and accumulated at the tank bottom, and the heavy oil and the impurities precipitated at the tank bottom can be cleaned regularly. The wastewater subjected to oil removal precipitation treatment is discharged into a purifying tank through a second drain pipe, is subjected to filtering treatment, and sequentially passes through a gravel layer, a cobble layer and a quartz sand layer from bottom to top in the purifying tank for filtering. In the water treatment process, certain microorganisms exist on the surface of the filter material, when the wastewater is in continuous contact with the filter material, the microorganisms can oxidize and decompose organic matters adsorbed by the filter material, and meanwhile, the microorganisms propagate by taking the organic matters as nutrients, so that the microorganisms propagate and regenerate on the surface of the filter material to form a biological film for biodegradation, and BOD, COD, ammonia nitrogen and the like are removed. The wastewater treated by the purifying tank is discharged to a water seepage layer outside the pipe through a third drain pipe, and can infiltrate into downstream soil. The geotextile arranged at the water outlet port of the second drain pipe and the water inlet port of the third drain pipe is used for preventing gravel, sand and the like from entering the pipeline.
Further, in order to improve the filtering effect, the thickness of the gravel layer is 30cm, and the particle size of the gravel is 3-5cm; the thickness of the cobble layer is 30cm, and the particle size of cobble is 10-25mm; the thickness of the quartz sand layer is 15cm, and the particle size of the quartz sand is 3-15mm.
Further, cobblestones of the cobblestone layer are volcanic stones. The volcanic Dan Kongxi has high rate and good adsorption effect on pollutants, and can improve the water treatment effect.
Furthermore, the purifying tank is made of PE material.
Further, in order to facilitate water seepage, a plurality of water seepage holes are formed in the pipe wall of the third drain pipe, geotechnical cloth is wrapped on the outer side of the pipe wall of the third drain pipe, and coarse sand is fully wrapped on the outer side of the third drain pipe.
Further, in order to ensure safety, the upper parts of the oil separation sedimentation tank and the purifying tank are provided with openable cover plates.
Further, the upper portion of oil removal sedimentation tank is provided with openable apron, the upper portion on the quartz sand layer of purifying tank has set gradually geotechnique's cloth and planting soil layer from bottom to top. The upper part of the oil separation sedimentation tank is provided with a cover plate, so that the use safety can be ensured. The upper part of the purifying tank is provided with a planting soil layer, aquatic plants such as calamus, rush and the like can be planted in the planting soil layer, nitrogen and phosphorus can be further removed through the action of plant nutrient absorption, and the environment can be beautified.
The beneficial effects of the utility model are as follows: by arranging the oil separation sedimentation tank, floating oil, heavy oil and solid pollutants in sewage can be removed through oil separation sedimentation, odor is reduced, water quality is clear and transparent, and filter materials in the purification tank can be prevented from being blocked; through setting up the purifying tank and setting up filter material and planting soil in the purifying tank, accessible absorption, detention, filtration, microorganism decomposition, transpiration moisture and plant nutrient absorbing effect, organic matter, inorganic matter etc. in the removal water further purifies the quality of water, also has certain retaining effect simultaneously. The purified water can infiltrate into the downstream soil through the water seepage layer, so that the water can be absorbed by overground plants, and the recycling utilization is realized. The utility model has reasonable structure, small occupied area and no power facilities, and is very suitable for treating single household or multi-household domestic grey water in rural areas. The oil separation sedimentation tank and the purification tank can be produced in a factory, the construction speed is high during installation, and the construction period can be shortened.
Drawings
FIG. 1 is a schematic view of the structure of the present utility model in embodiment 1;
FIG. 2 is a schematic top view of the utility model in example 1;
FIG. 3 is a schematic view of the third drain pipe in example 1 provided with water penetration holes;
FIG. 4 is a schematic view of the structure of the present utility model in embodiment 2;
In the figure, 1, an oil separation sedimentation tank, 2, a purifying tank, 3, a filter basket, 4, a first drain pipe, 5, a sewage inlet pipe, 6, an oil separation sedimentation tank cover plate, 7, a second drain pipe, 8, a purifying tank cover plate, 9, a gravel layer, 10, a cobble layer, 11, a quartz sand layer, 12, a third drain pipe, 13, a water seepage layer, 14, 15, 16 and 19 are geotextiles, 17, a planting soil layer, 18 and a planted plant;
1.1, an oil separation tank, 1.2, a sedimentation tank, 1.3 and a baffle plate;
12.1, water permeable holes.
Detailed Description
The utility model is further illustrated by the following non-limiting examples, in conjunction with the accompanying drawings:
Example 1
As shown in figures 1-2, the simple purifying tank device comprises an oil separation sedimentation tank 1 and a purifying tank 2, wherein the oil separation sedimentation tank 1 and the purifying tank 2 are all arranged under the ground. The oil removal sedimentation tank 1 is cuboid cell body structure, it adopts the PE material, be provided with vertical baffle 1.3 in the oil removal sedimentation tank 1 and separate it into oil removal tank 1.1 and sedimentation tank 1.2, sewage inlet tube 5 is linked together with oil removal tank 1.1, be provided with filter basket 3 in the oil removal tank 1.1, the lower part of oil removal tank 1.1 is equipped with first drain pipe 4, first drain pipe 4 one end and oil removal tank 1.1 intercommunication, its other end lets in sedimentation tank 1.2, and first drain pipe 4 is located the delivery port of sedimentation tank 1.2 and is higher than its water inlet, can prevent that mud in the sedimentation tank from blockking up the water inlet. The purifying tank 2 is a cuboid tank body structure, and is made of PE, and a gravel layer 9, a cobble layer 10 and a quartz sand layer 11 are sequentially arranged in the purifying tank 2 from bottom to top, wherein the gravel layer 9, the cobble layer 10 and the quartz sand layer 11 are used as filter material layers, so that the water treatment effect is ensured, and the purifying tank is preferably provided with: the thickness of the gravel layer 9 is 30cm, and the particle size of the gravel is 3-5cm; the thickness of the cobble layer 10 is 30cm, and the particle size of cobble is 10-25mm; the thickness of the quartz sand layer 11 is 15cm, and the particle size of the quartz sand is 3-15mm. More preferred are: the cobble of cobble layer 10 is volcanic stone, and the void ratio of volcanic stone is big, and is effectual to the absorption of pollutant, can improve water treatment effect. A second drain pipe 7 is arranged between the sedimentation tank 1.2 and the purification tank 2, the second drain pipe 7 is a UPVC pipe, one end of the second drain pipe 7 is communicated with the sedimentation tank 1.2, and the other end of the second drain pipe 7 is communicated with the gravel layer 9 at the bottom of the purification tank 2 from top to bottom. In order to ensure the water quality entering the purifying tank 2, the position of the port of the second drain pipe 7 communicated with the sedimentation tank 1.2 is higher than the position of the water outlet of the first drain pipe 4. In order to ensure that water in the sedimentation tank enters the purifying tank 2 in a non-power way and ensure the water treatment effect of the purifying tank 2, the position of a port, communicated with the sedimentation tank 1.2, of the second drain pipe 7 is higher than that of the quartz sand layer 11 in the purifying tank 2. A third drain pipe 12 connected with the purifying tank 2 is arranged outside the purifying tank 2, the third drain pipe 12 is also a UPVC pipe, a port of the third drain pipe 12 connected with the purifying tank 2 is arranged corresponding to the quartz sand layer 11 in the purifying tank 2, a water seepage layer 13 is arranged outside the third drain pipe 12, and medium coarse sand and/or gravel and the like can be adopted for the water seepage layer 13. Geotextile 14 and geotextile 15 are respectively encapsulated at the water outlet port of the second drain pipe 7 and the water inlet port of the third drain pipe 12 and are used for preventing gravels, sand and the like from entering the pipeline, and 300g/m 2 geotextile is adopted as the geotextile.
In order to ensure the use safety, the upper part of the oil separation sedimentation tank 1 is provided with an openable oil separation sedimentation tank cover plate 6, and the upper part of the purification tank 2 is provided with an openable purification tank cover plate 8.
The oil separation sedimentation tank 1 and the purification tank 2 can be processed and formed in factories. In the utility model, the size of the oil separation sedimentation tank 1 is 0.56m 0.46m 0.51m, the size of the purifying tank 2 is 0.5m 1m, and when the space is insufficient, the size can be properly reduced.
When the utility model works, domestic gray water is collected through the sewage water inlet pipe 5 and is collected into the oil separation tank 1.1 of the oil separation sedimentation tank 1, the filter basket 3 filters larger suspended matters in the water, and when gray water flows in the oil separation tank, oil products float on the water surface due to the floating action generated by the density difference of oil drops and water, so that the floatable oil substances in the gray water are removed, and the floatable oil substances can be cleaned regularly. The water from which the floatable oil substances are separated enters the sedimentation tank 1.2 through the first water discharge pipe 4, heavy oil and other impurities in the water are precipitated in the sedimentation tank 1.2 and accumulated at the bottom of the sedimentation tank, and the heavy oil and impurities precipitated at the bottom of the sedimentation tank can be cleaned regularly. The wastewater subjected to oil removal precipitation treatment is discharged into the purifying tank 2 through the second drain pipe 7 for filtering treatment, and the wastewater sequentially passes through the gravel layer 9, the cobble layer 10 and the quartz sand layer 11 from bottom to top in the purifying tank 2 for filtering. In the water treatment process, certain microorganisms exist on the surface of the filter material, when the wastewater is in continuous contact with the filter material, the microorganisms can oxidize and decompose organic matters adsorbed by the filter material, and meanwhile, the microorganisms propagate by taking the organic matters as nutrients, so that the microorganisms propagate and regenerate on the surface of the filter material to form a biological film for biodegradation, and BOD, COD, ammonia nitrogen and the like are removed. The wastewater treated by the purifying tank 2 is discharged to the water seepage layer 13 outside the pipe through the third drain pipe 12, and can infiltrate into the downstream soil.
As shown in fig. 3, in order to facilitate water seepage, the third drain pipe 12 in this embodiment may also have a plurality of water seepage holes 12.1 on the pipe wall, the outside of the pipe wall of the third drain pipe 12 is wrapped with geotextile 19, and the outside of the third drain pipe 12 is fully wrapped with coarse sand. The water can be discharged to the outer middle coarse sand through the water permeable holes 12.1, and then the water can infiltrate into the water permeable layer, and the geotextile 19 can prevent sand from entering the pipeline.
The utility model has reasonable structure, small occupied area and no power facilities, and is very suitable for treating single household or multi-household domestic grey water in rural areas.
Other parts in this embodiment are all of the prior art, and are not described herein.
Example 2
Example 2 is substantially the same as example 1 except that: in this embodiment, geotechnical cloth 16 and planting soil layer 17 are further arranged on the upper portion of the quartz sand layer 11 of the purifying tank 2 from bottom to top, the planting soil layer 17 can be used for planting aquatic plants such as calamus, rush and the like, nitrogen and phosphorus in water can be further removed through the action of plant nutrient absorption, and the environment can be beautified. In order to ensure the use safety, an openable oil separation sedimentation tank cover plate is also arranged at the upper part of the oil separation sedimentation tank 1.
Other portions in this embodiment are the same as those in embodiment 1.
Claims (7)
1. A simple purifying tank device is characterized in that: including setting up in subaerial oil removal sedimentation tank (1), purifying tank (2), be provided with vertical baffle in oil removal sedimentation tank (1) and separate it into oil removal tank (1.1) and sedimentation tank (1.2), sewage inlet tube (5) are linked together with oil removal tank (1.1), be provided with filter basket (3) in oil removal tank (1.1), the lower part of oil removal tank (1.1) is equipped with first drain pipe (4) and lets in sedimentation tank (1.2) in, the delivery port of first drain pipe (4) is higher than its water inlet, be provided with second drain pipe (7) between sedimentation tank (1.2) and purifying tank (2), the one end and sedimentation tank (1.2) of second drain pipe (7) communicate, the other end of second drain pipe (7) is by the bottom that goes up to down in purifying tank (2), the port position that second drain pipe (7) and sedimentation tank (1.2) communicate is higher than the delivery port position of first drain pipe (4), in purifying tank (2) are provided with gravel layer (9) down in proper order, gravel layer (10) and sand layer (11) are located in the purifying tank (2) in the sand layer (11) outside of sand layer (2), the port that third drain pipe (12) and purifying tank (2) are connected corresponds to quartz sand layer (11) setting in purifying tank (2), and third drain pipe (12) outside is provided with infiltration layer (13), and the play water port of second drain pipe (7) and the inlet port of third drain pipe (12) all encapsulate has geotechnique's cloth.
2. The simple purification tank device according to claim 1, characterized in that: the thickness of the gravel layer (9) is 30cm, and the particle size of the gravel is 3-5cm; the thickness of the cobble layer (10) is 30cm, and the particle size of cobble is 10-25mm; the thickness of the quartz sand layer (11) is 15cm, and the particle size of the quartz sand is 3-15mm.
3. The simple purification tank device according to claim 2, characterized in that: the cobblestone of the cobblestone layer (10) is volcanic stone.
4. The simple purification tank device according to claim 1, characterized in that: the purifying tank (2) is made of PE material.
5. The simple purification tank apparatus as claimed in claim 1 or 2 or 3 or 4, wherein: the pipe wall of the third drain pipe (12) is provided with a plurality of water permeable holes, geotechnical cloth is wrapped on the outer side of the pipe wall of the third drain pipe (12), and coarse sand is fully wrapped on the outer side of the third drain pipe (12).
6. The simple purification tank apparatus as claimed in claim 1 or 2 or 3 or 4, wherein: the upper parts of the oil separation sedimentation tank (1) and the purifying tank (2) are respectively provided with an openable cover plate.
7. The simple purification tank apparatus as claimed in claim 1 or 2 or 3 or 4, wherein: the upper part of the oil removal sedimentation tank (1) is provided with an openable cover plate, and the upper part of a quartz sand layer (11) of the purification tank (2) is sequentially provided with geotechnical cloth and a planting soil layer (17) from bottom to top.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322541672.0U CN220845822U (en) | 2023-09-19 | 2023-09-19 | Simple purifying tank device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322541672.0U CN220845822U (en) | 2023-09-19 | 2023-09-19 | Simple purifying tank device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220845822U true CN220845822U (en) | 2024-04-26 |
Family
ID=90785233
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202322541672.0U Active CN220845822U (en) | 2023-09-19 | 2023-09-19 | Simple purifying tank device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN220845822U (en) |
-
2023
- 2023-09-19 CN CN202322541672.0U patent/CN220845822U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US12281035B2 (en) | Horizontal flow biofilter system and method of use thereof | |
KR100648794B1 (en) | River water and lake water purification device | |
KR101815246B1 (en) | High efficiency composite wetland system | |
CN110759481A (en) | Biological detention pond of high-efficient dephosphorization | |
CN108793593A (en) | A kind of Multistage settling gardens regeneration effluent system | |
KR101268084B1 (en) | Water-purifying WetLands for purifying Water and the Purification Apparatus using the same | |
KR101281034B1 (en) | Water treatment system for nonpoint pollution source | |
CN111115980A (en) | A high-efficiency underflow constructed wetland system and its sewage treatment method | |
CN202063793U (en) | Biological response system used for multi-stage sewage treatment | |
KR100458564B1 (en) | a method and apparatus for wastewater treatment | |
CN207451863U (en) | A kind of modularization is layered bio-trickling sewage disposal system | |
KR100533596B1 (en) | Purification system for nonpoint pollution source | |
CN113526784A (en) | An ecological purification tank for deep denitrification and phosphorus removal of water body and its application | |
CN210457866U (en) | Rural domestic sewage purifies, retaining system for storage | |
CN220845822U (en) | Simple purifying tank device | |
CN103449665B (en) | A kind of polluted water land biogenic sediment filtering system for mud-water separation | |
CN111139784A (en) | Point source pollution enhanced retention and purification artificial wetland system at lake inlet and lake outlet | |
CN215855635U (en) | Cascaded rural sewage ecological treatment system | |
CN108408918A (en) | Ecological continuous filter | |
KR100424289B1 (en) | nature equilibrium vertical flow type artificial swamp facility for purging contaminate matter away contaminated water | |
KR100399294B1 (en) | River sewage purification apparatus constructed in the waters edge | |
CN203382619U (en) | Sewage-land biological filtration and precipitation system for removing suspended solids and organic matters from sewage | |
CN208454741U (en) | A kind of buried type integrated compact sewage treatment equipment | |
CN113149371A (en) | Stepped rural sewage ecological treatment system and treatment method thereof | |
KR100609837B1 (en) | Filtrate for artificial wetland |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |