A small-scale wetland water pollution filtration device
By combining multi-stage filtration layers and aeration pipes, the problems of simple filtration structure and insufficient biodegradation capacity in small wetland water pollution filtration devices are solved, achieving efficient water purification and ecological protection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGXI GREEN MEIRUI ECOLOGICAL TECH CO LTD
- Filing Date
- 2025-07-31
- Publication Date
- 2026-07-03
Smart Images
Figure CN224450489U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of wetland ecological protection technology, and in particular to a water pollution filtration device for small wetlands. Background Technology
[0002] Small wetlands are suitable for water purification in small wetland areas such as parks, residential areas, and school campuses. They can effectively remove pollutants such as suspended solids, organic matter, nitrogen, and phosphorus from the water and improve the water quality of the wetland.
[0003] As an important component of urban ecosystems, small wetlands have multiple ecological functions, such as regulating climate, purifying water quality, and protecting biodiversity. However, due to human activities and natural factors, the water bodies of small wetlands are easily polluted, leading to water quality deterioration and affecting the balance and function of the wetland ecosystem. Currently, the treatment of water pollution in small wetlands mainly adopts methods such as physical filtration and biodegradation. However, existing filtration devices have some shortcomings, such as simple filtration structure, poor removal effect on different types of pollutants, uneven water flow distribution, and the tendency to short-circuit, which reduces filtration efficiency; and a lack of effective measures to promote microbial growth, resulting in limited biodegradation capacity.
[0004] To address the above issues, we have developed a small-scale wetland water pollution filtration device. Utility Model Content
[0005] This utility model discloses a water pollution filtration device for small wetlands, which aims to solve the technical problems in the background art.
[0006] To achieve the above objectives, the present invention adopts the following technical solution:
[0007] A small-scale wetland water pollution filtration device includes a wetland plant bed. Three sedimentation tanks are formed on one side of the wetland plant bed. An equalization tank is formed inside the wetland plant bed and on one side of the sedimentation tanks. Through channels are formed between the three sedimentation tanks and between the equalization tanks. Filter plates are fixedly connected inside each through channel. A water pump is fixedly connected inside the equalization tank. A flushing pipe is fixedly connected to one of the output ends of the water pump. The end of the flushing pipe away from the water pump extends into the interior of the corresponding sedimentation tank and equalization tank and is fixedly connected to a flushing nozzle. Each flushing nozzle is used in conjunction with a corresponding filter plate.
[0008] Wastewater first flows into the sedimentation tank, and after sedimentation, the wastewater flows into the equalization tank through the filter plate of the through channel. When the filter plate becomes clogged, the water pump is started to flush the filter plate through the flushing pipe and flushing nozzle to restore its filtration performance.
[0009] In a preferred embodiment, another output end of the water pump is fixedly connected to a water distribution pipe, one end of which extends into the interior of the wetland plant bed and the bottom is fixedly connected to water distribution nozzles at equal intervals, the top of which extends into the interior of the water distribution pipe.
[0010] After being pressurized by a water pump, the wastewater in the regulating tank is evenly sprayed into the wetland plant bed through water distribution pipes and nozzles, so that the wastewater can fully contact the plants and filter layer, thereby improving the purification effect.
[0011] In a preferred embodiment, the interior of the wetland plant bed is provided with an activated carbon adsorption layer, a fine filter layer, a coarse filter layer and a plant filler layer from bottom to top. Each of the activated carbon adsorption layer, fine filter layer, coarse filter layer and plant filler layer is provided with a partition, and each partition is provided with a water passage hole.
[0012] Wastewater sprayed by the water distribution nozzles passes through a plant-based filter layer for initial filtration, a coarse filter layer to intercept large particles, a fine filter layer to further filter small particles, and finally an activated carbon adsorption layer to adsorb organic pollutants and odors in the water, thus purifying the water.
[0013] In a preferred embodiment, one side of one of the sedimentation tanks is fixedly connected to a wastewater inlet pipe.
[0014] When treating domestic sewage around small wetlands, the sewage flows into a sedimentation tank through the sewage inlet pipe, and begins to enter the entire water pollution filtration process, thus achieving centralized treatment of sewage.
[0015] In a preferred embodiment, an aeration pipe is fixedly connected between the bottoms of the three sedimentation tanks.
[0016] During the sedimentation process, aeration is introduced to the bottom of the sedimentation tank through aeration pipes to increase the dissolved oxygen content in the water, promote the decomposition of organic matter in the wastewater by microorganisms, and improve the sedimentation effect and the biodegradability of the wastewater.
[0017] In a preferred embodiment, the coarse filter layer uses large-particle gravel as the filter medium, and the fine filter layer uses quartz sand as the filter medium.
[0018] When wastewater flows through the coarse filter layer, large-diameter gravel effectively intercepts large particulate pollutants such as tree branches and leaves; after entering the fine filter layer, quartz sand further filters out fine particles such as silt, and the two-stage filtration ensures the subsequent treatment effect.
[0019] In a preferred embodiment, the activated carbon adsorption layer is made of granular activated carbon.
[0020] Wastewater that has passed through coarse and fine filtration enters the activated carbon adsorption layer. The granular activated carbon, with its huge specific surface area, efficiently adsorbs residual pigments, residual chlorine, and organic pollutants that are difficult to degrade in the water, thus significantly improving the quality of the purified water.
[0021] The small-scale wetland water pollution filtration device provided by this utility model has the following advantages:
[0022] In this utility model:
[0023] 1. The connection of the water pump's output flushing pipe to the flushing nozzle allows for regular cleaning of the filter layer, restoring filtration performance, extending the service life of the filter material, and reducing maintenance costs and workload.
[0024] 2. Through coarse filter layer, fine filter layer and activated carbon adsorption, it can effectively remove a variety of pollutants such as suspended solids, organic matter and heavy metal ions from water, improve filtration efficiency and water purification effect, and greatly improve the operation quality and use efficiency compared with traditional devices. Attached Figure Description
[0025] Figure 1 This is a front sectional view of the filtration device for water pollution in small wetlands proposed in this utility model.
[0026] Figure 2 This is a schematic diagram of the water pump structure of a small wetland water pollution filtration device proposed in this utility model.
[0027] Figure 3 This is a schematic diagram of the flushing pipe structure of a small wetland water pollution filtration device proposed in this utility model.
[0028] Figure 4 for Figure 1 Enlarged view of point A in the middle.
[0029] Figure 5 for Figure 1 Enlarged view of section B in the middle.
[0030] In the attached diagram: 1. Wetland plant bed; 2. Sedimentation tank; 3. Equalization tank; 4. Through channel; 5. Filter plate; 6. Water pump; 7. Flushing pipe; 8. Flushing nozzle; 9. Water distribution pipe; 10. Water distribution nozzle; 11. Activated carbon adsorption layer; 12. Fine filter layer; 13. Coarse filter layer; 14. Plant packing layer; 15. Baffle plate; 16. Water passage hole; 17. Sewage inlet pipe; 18. Aeration pipe. Detailed Implementation
[0031] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. The components of the embodiments of this application described and marked in the accompanying drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of this application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application without inventive effort are within the scope of protection of this application.
[0032] The present invention discloses a small-scale wetland water pollution filtration device, which is mainly used in wetland ecological protection scenarios.
[0033] Reference Figures 1-5 A small-scale wetland water pollution filtration device includes a wetland plant bed 1. Three sedimentation tanks 2 are provided on one side inside the wetland plant bed 1. An equalization tank 3 is provided inside the wetland plant bed 1 and on one side of the sedimentation tanks 2. Through channels 4 are provided between the three sedimentation tanks 2 and between the equalization tank 3. Filter plates 5 are fixedly connected inside the through channels 4. A water pump 6 is fixedly connected inside the equalization tank 3. A flushing pipe 7 is fixedly connected to one of the output ends of the water pump 6. The end of the flushing pipe 7 away from the water pump 6 extends into the interior of the corresponding sedimentation tank 2 and equalization tank 3 and is fixedly connected to a flushing nozzle 8. The flushing nozzle 8 is used in conjunction with the corresponding filter plate 5.
[0034] In this embodiment: wastewater first flows into sedimentation tank 2, and after sedimentation, the wastewater flows into regulating tank 3 through filter plate 5 of through channel 4. When filter plate 5 is blocked, water pump 6 is started to flush filter plate 5 through flushing pipe 7 and flushing nozzle 8 to restore its filtration performance.
[0035] In a preferred embodiment, the other output end of the water pump 6 is fixedly connected to a water distribution pipe 9. One end of the water distribution pipe 9 extends into the interior of the wetland plant bed 1, and the bottom is fixedly connected to water distribution nozzles 10 at equal intervals. The top of the water distribution nozzles 10 extends into the interior of the water distribution pipe 9.
[0036] In this embodiment, the wastewater in the regulating tank 3 is pressurized by the water pump 6 and then evenly sprayed into the wetland plant bed 1 through the water distribution pipe 9 and the water distribution nozzle 10, so that the wastewater can fully contact the plants and the filter layer, thereby improving the purification effect.
[0037] In a preferred embodiment, the interior of the wetland plant bed 1 is provided with an activated carbon adsorption layer 11, a fine filter layer 12, a coarse filter layer 13 and a plant filler layer 14 in sequence from the bottom to the top. A partition 15 is provided between the activated carbon adsorption layer 11, the fine filter layer 12, the coarse filter layer 13 and the plant filler layer 14, and a water passage hole 16 is provided on the partition 15.
[0038] In this embodiment, the wastewater sprayed by the water distribution nozzle 10 passes through the plant packing layer 14 for preliminary filtration, the coarse filter layer 13 to intercept large particulate impurities, the fine filter layer 12 to further filter fine particles, and finally the activated carbon adsorption layer 11 to adsorb organic pollutants and odors in the water, thereby achieving water purification.
[0039] In a preferred embodiment, one side of one of the sedimentation tanks 2 is fixedly connected to a wastewater inlet pipe 17.
[0040] In this embodiment, when treating domestic sewage around a small wetland, the sewage flows into the sedimentation tank 2 through the sewage inlet pipe 17, and begins to enter the entire water pollution filtration process, thus achieving centralized treatment of sewage.
[0041] In a preferred embodiment, an aeration pipe 18 is fixedly connected between the bottoms of the three sedimentation tanks 2.
[0042] In this embodiment, during the sedimentation process, aeration is introduced to the bottom of the sedimentation tank 2 through aeration pipe 18 to increase the dissolved oxygen content in the water, promote the decomposition of organic matter in the wastewater by microorganisms, and improve the sedimentation effect and the biodegradability of the wastewater.
[0043] In a preferred embodiment, the coarse filter layer 13 uses large-particle gravel as the filter medium, and the fine filter layer 12 uses quartz sand as the filter medium.
[0044] In this embodiment: when the sewage flows through the coarse filter layer 13, the large-diameter gravel effectively intercepts large particulate pollutants such as tree branches and leaves; after entering the fine filter layer 12, the quartz sand further filters out fine particles such as silt, and the two-stage filtration ensures the subsequent treatment effect.
[0045] In a preferred embodiment, the activated carbon adsorption layer 11 is made of granular activated carbon.
[0046] In this embodiment, the wastewater after coarse and fine filtration enters the activated carbon adsorption layer 11. The granular activated carbon, with its huge specific surface area, efficiently adsorbs residual pigments, residual chlorine, and organic pollutants that are difficult to degrade in the water, thus significantly improving the quality of the purified water.
[0047] Working principle: When using this device, wastewater enters the sedimentation tank 2 through the wastewater inlet pipe 17. The filter plate 5 in the sedimentation tank 2 performs preliminary filtration of the wastewater, removing larger particles of impurities. The water pump 6 flushes the filter plate 5 through the flushing pipe 7 and the flushing nozzle 8 to prevent clogging and ensure filtration effect. The wastewater enters the equalization tank 3 through the channel 4. The water pump 6 distributes the wastewater evenly into the wetland plant bed 1 through the water distribution pipe 9 and the water distribution nozzle 10. The wetland plant bed 1 is arranged from bottom to top as follows: an activated carbon adsorption layer 11, a fine filter layer 12, and a coarse filter layer 13. The filter layer 13 and the plant packing layer 14, the activated carbon adsorption layer 11 adsorb harmful substances in the sewage, the fine filter layer 12 and the coarse filter layer 13 further filter particulate matter in the sewage, and the plant packing layer 14 absorbs and decomposes pollutants through the roots of wetland plants; the water passage holes 16 on the partition 15 ensure that the sewage flows evenly between the layers, and the aeration pipe 18 increases the dissolved oxygen in the water through aeration, promotes the activity of microorganisms, improves the pollutant degradation efficiency, realizes efficient filtration and purification of sewage, and ensures effective treatment of water pollution and sustainable development of wetland ecology.
[0048] The above description is merely a preferred embodiment of this utility model, but the protection scope of this utility model is not limited thereto. The substitutions may be replacements of some structures, devices, or method steps, or they may be complete technical solutions. Equivalent substitutions or modifications made based on the technical solution and inventive concept of this utility model should all be covered within the protection scope of this utility model.
Claims
1. A small and micro wetland water body pollution filtering device, comprising a wetland plant bed (1), characterized in that, Three sedimentation tanks (2) are provided on one side inside the wetland plant bed (1). An adjustment tank (3) is provided inside the wetland plant bed (1) and on one side of the sedimentation tanks (2). A through channel (4) is provided between the three sedimentation tanks (2) and between the adjustment tank (3). A filter plate (5) is fixedly connected inside the through channel (4). A water pump (6) is fixedly connected inside the adjustment tank (3). A flushing pipe (7) is fixedly connected to one of the output ends of the water pump (6). The end of the flushing pipe (7) away from the water pump (6) extends into the interior of the corresponding sedimentation tank (2) and the adjustment tank (3) and is fixedly connected to a flushing nozzle (8). The flushing nozzle (8) is used in conjunction with the corresponding filter plate (5).
2. The small and micro wetland water body pollution filtering device according to claim 1, characterized in that, The other output end of the water pump (6) is fixedly connected to a water distribution pipe (9). One end of the water distribution pipe (9) extends into the interior of the wetland plant bed (1) and the bottom is fixedly connected to water distribution nozzles (10) at equal intervals. The top of the water distribution nozzles (10) extends into the interior of the water distribution pipe (9).
3. The small and micro wetland water body pollution filtering device according to claim 1, characterized in that, The interior of the wetland plant bed (1) is provided with an activated carbon adsorption layer (11), a fine filter layer (12), a coarse filter layer (13) and a plant filler layer (14) in sequence from the bottom to the top. A partition (15) is provided between the activated carbon adsorption layer (11), the fine filter layer (12), the coarse filter layer (13) and the plant filler layer (14), and a water passage hole (16) is provided on the partition (15).
4. The small and micro wetland water body pollution filtering device according to claim 1, characterized in that, One of the sedimentation tanks (2) is fixedly connected to a sewage inlet pipe (17).
5. The small and micro wetland water body pollution filtering device according to claim 1, characterized in that, An aeration pipe (18) is fixedly connected between the bottoms of the three sedimentation tanks (2).
6. The small micro-wetland water body pollution filtering device according to claim 3, characterized in that, The coarse filter layer (13) uses large-diameter gravel as the filter medium, and the fine filter layer (12) uses quartz sand as the filter medium.
7. A small-scale wetland water pollution filtration device according to claim 3, characterized in that, The activated carbon adsorption layer (11) is made of granular activated carbon.