CN116135801B - Rural ecological wetland purification treatment system - Google Patents
Rural ecological wetland purification treatment system Download PDFInfo
- Publication number
- CN116135801B CN116135801B CN202310411533.8A CN202310411533A CN116135801B CN 116135801 B CN116135801 B CN 116135801B CN 202310411533 A CN202310411533 A CN 202310411533A CN 116135801 B CN116135801 B CN 116135801B
- Authority
- CN
- China
- Prior art keywords
- water inlet
- inlet pipe
- layer
- annular
- tank
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46176—Galvanic cells
-
- 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/006—Water distributors either inside a treatment tank or directing the water to several treatment tanks; Water treatment plants incorporating these distributors, with or without chemical or biological tanks
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/009—Apparatus with independent power supply, e.g. solar cells, windpower, fuel cells
-
- 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
Abstract
The invention relates to a rural ecological wetland purification treatment system which comprises a sedimentation tank, a filter tank, an annular packing area and an ecological purification pond which are sequentially arranged according to the water flow direction, wherein each pond is communicated with the area through water inlet and outlet pipes with different heights. The filtering tank is provided with a gravel layer, a ceramsite layer, a steel slag layer and a porous filler layer in a arrayed mode, and sewage purification is achieved under the combined action of the gravel layer, the ceramsite layer, the steel slag layer and the porous filler layer. The annular packing area and the ecological purification pond are provided with plants for absorbing nitrogen and phosphorus elements in sewage. According to the sedimentation tank, the plurality of water inlets are formed in the side wall of the sedimentation tank so as to adapt to different water inflow amounts, and a plurality of water flow paths are formed so as to ensure the normal operation of the system; the primary battery device is additionally arranged, the dephosphorization capability of the wetland system is enhanced by utilizing the primary battery technology, and meanwhile, the electric energy can be generated, the energy consumption of sewage treatment is reduced, and the environment-friendly low-carbon effect is achieved; the wetland system has the advantages of low manufacturing cost, small occupied area, and landscape effect when being matched with plants and LED lamps.
Description
Technical Field
The invention relates to the technical field of environmental treatment, in particular to a rural ecological wetland purification treatment system.
Background
In rural areas of China, sewage purification treatment by utilizing ecological wetland is a new measure which is explored and put forward, and specifically, sewage, sludge and the like are orderly put on the ground which is constructed and controlled to run by manpower and is similar to swamps, and the sewage and the sludge are treated by utilizing the physical, chemical and biological actions of soil, artificial media, plants, microorganisms and the like. The technology has the advantages of low energy consumption and good effect, and the constructed wetland can also be used as a corresponding natural landscape, thereby having certain appreciation value.
However, because the amount of sewage generated by the living of the village is generally small, and the living of residents in the village is scattered, and the water consumption is small, the sewage discharge amount is small, and the village is different in the amount of sewage generated by the living work in the morning and evening, when the amount of sewage is small, the sewage is likely to be cut off, namely the sewage discharge is in a discontinuous state, the ecological wetland treatment system has the characteristic of large variation range, and the existing ecological wetland treatment system is difficult to adapt to various sewage discharge amounts; the rural domestic sewage basically contains no metal substances and toxic substances, but contains phosphorus, has large water quality fluctuation and strong biodegradability, and the existing ecological wetland treatment system has insufficient phosphorus removal capability.
That is, in the prior art, the purification treatment of the ecological wetland in the country at the present stage needs to consider factors such as cost, and the current ecological wetland system is difficult to adapt to sewage discharged in different amounts and at different times, and is relatively high in cost, weak in adaptability and low in dephosphorization capability in the present stage in face of insufficient removal strength of phosphorus elements in the water body.
Disclosure of Invention
The invention provides a rural ecological wetland purification treatment system, which is used for solving the technical problems that in the prior art, sewage volume discharge is discontinuous, the fluctuation of phosphorus-containing element water quality in water is large, and landscape is difficult to consider while purification is performed due to the fact that rural life is dispersed, water consumption is low and life information is different.
In order to achieve the above purpose, the present invention proposes the following technical scheme:
a rural ecological wetland purification treatment system comprises a sedimentation tank, a filter tank, an annular packing area and an ecological purification pond which are sequentially sleeved;
the sedimentation tank comprises an energy dissipation bank, a mud discharging port, a first screen plate and an artificial ladder; the energy dissipation ridge is fixed at the bottom of the sedimentation tank, the sludge discharge opening is arranged on the wall of the sedimentation tank, the first screen plate is horizontally fixed in the sedimentation tank, and the artificial ladder is fixed on the wall of the sedimentation tank;
the filter tank is divided into a tank bottom layer, a tank middle layer and a tank high layer by two parallel horizontal partition plates; the bottom layer and the middle layer of the pool are arranged as a first pool body, and the high layer of the pool is arranged as a second pool body;
the bottom of the pool comprises a gravel layer, a ceramsite layer and a steel slag layer which are arranged in the water flow direction, wherein the gravel layer, the ceramsite layer and the steel slag layer are arranged in parallel through vertical partition plates, and water inlets of all the layers are staggered; the middle layer of the pool comprises a porous filler layer, and the porous filler layer is provided with a water inlet which is communicated with the middle layer of the pool and the high layer of the pool; the second pond body is provided with a second screen plate and an aluminum sludge filler layer according to the water flow direction, and a ground mat is horizontally arranged on the pond surface of the second pond body;
a first water inlet pipe, a second water inlet pipe, a third water inlet pipe and a fourth water inlet pipe are arranged in the sedimentation tank;
the water outlet of the first water inlet pipe is arranged between the energy dissipation ridge and the first screen plate; the second water inlet pipe is arranged between the sedimentation tank and the gravel layer, the water inlet of the second water inlet pipe is higher than the water outlet of the second water inlet pipe, and the water outlet of the second water inlet pipe is higher than the water outlet of the first water inlet pipe and higher than the first screen plate; the third water inlet pipe is horizontally arranged between the sedimentation tank and the second tank body, and the water inlet and the water outlet of the third water inlet pipe are higher than the water inlet of the second water inlet pipe; the fourth water inlet pipe is horizontally arranged between the sedimentation tank and the annular filling area, and the water inlet and the water outlet of the fourth water inlet pipe are arranged between the water outlet of the second water inlet pipe and the first screen plate; the fourth water inlet pipe further comprises a spring pressure assembly, and the spring pressure assembly is arranged in the water inlet of the fourth water inlet pipe;
an annular filler water inlet pipe is horizontally arranged between the filter tank and the annular filler region, and a water inlet of the annular filler water inlet pipe is arranged on the porous filler layer;
the annular packing area comprises a zeolite layer, a soil layer and a primary cell;
the soil layer is arranged above the zeolite layer, and emergent aquatic plants with pointed bottom planting pots are arranged on the soil layer; the primary battery comprises a metal electrode and an inert electrode which are hidden in the zeolite layer and are not in contact with the bottom surface of the annular filler region, a cylindrical barrel is wrapped outside the metal electrode, and the primary battery further comprises an LED lamp which is connected in series in the primary battery and is exposed on the surface of the annular filler region;
an annular filler water outlet pipe is horizontally arranged between the annular filler zone and the ecological purifying pond, and the arrangement height of the annular filler water outlet pipe is lower than that of the annular filler water inlet pipe;
an ecological floating plate is arranged in the ecological purifying pond and comprises a foam plate, a hollow box body and an elastic device; the foam plate is provided with a plurality of small holes and is fixed at the top of the hollow box body, the conical side of the elastic device is connected to the bottom of the hollow box body, and the rod-shaped side of the elastic device is fixed at the bottom of the ecological purifying pond; the ecological purifying pond is characterized in that a total water outlet pipe is arranged on the pond wall of the ecological purifying pond, and the height of the total water outlet pipe is positioned between the annular filler water inlet pipe and the annular filler water outlet pipe and is higher than the rod-shaped side of the elastic device.
Further, the water outlet of the first water inlet pipe is opposite to the slope surface of the energy dissipation ridge, and the height of the water outlet of the first water inlet pipe from the energy dissipation ridge is larger than 20cm.
Further, the setting height of the first screen plate is at least 10cm greater than the setting height of the water outlet of the first water inlet pipe.
Further, the particle size range of the filler of the gravel layer is 1 cm-2 cm, the particle size range of the filler of the ceramsite layer is 2 cm-3 cm, and the particle size range of the filler of the steel slag layer is 2 cm-3 cm. The filler particle size range of the aluminum sludge filler layer is 3 cm-5 cm.
Further, the setting height of the second water inlet pipe is lower than the setting height of the third water inlet pipe by at least 10cm, the setting height of the fourth water inlet pipe is lower than the setting height of the second water inlet pipe by at least 10cm, and the distance between the third water inlet pipe and the ground mat is greater than 15cm.
Further, the metal electrode arranged in the annular packing region is a magnesium electrode, and the inert electrode arranged in the annular packing region is a graphite electrode.
Further, the metal electrode and the inert electrode are 5cm higher than the bottom surface of the annular filling area, the metal electrode and the inert electrode are 10cm higher than the surface of the annular filling area, and the distance between the metal electrode and the inert electrode is 3 cm-7 cm.
Further, the cylinder is an insulating cylinder.
Furthermore, densely distributed water permeable holes are formed in the wall of the cylindrical barrel.
Further, the rural ecological wetland purification treatment system comprises an annular body or a single side body, wherein the annular body is internally sleeved with the annular sedimentation tank, the filter tank and the annular filler zone from outside to inside in sequence by taking the central point of the ecological purification pond as the circle center; in the unilateral body, the sedimentation tank with the filtering ponds are the rectangle cell body, ecological purification pond overcoat is equipped with square annular the annular packing district, the sedimentation tank the filtering ponds with the annular packing district sets up adjacently.
Advantageous effects
According to the technical scheme, the rural ecological wetland purification treatment system is provided, and a plurality of water inlets are formed in the side wall of the sedimentation tank so as to adapt to different water inflow, so that a plurality of water flow paths are formed to ensure the normal operation of the system; the primary battery device is additionally arranged, the phosphorus removal capacity of the wetland system is enhanced by utilizing the primary battery technology, the distribution of phosphorus in the wetland system is changed, and meanwhile, electric energy is generated, so that the energy consumption of sewage treatment is reduced, and the environment-friendly low-carbon effect is achieved; the wetland system has the advantages of low manufacturing cost, small occupied area, and landscape effect when being matched with plants and LED lamps.
It should be understood that all combinations of the foregoing concepts, as well as additional concepts described in more detail below, may be considered a part of the inventive subject matter of the present disclosure as long as such concepts are not mutually inconsistent.
The foregoing and other aspects, embodiments, and features of the present teachings will be more fully understood from the following description, taken together with the accompanying drawings. Other additional aspects of the invention, such as features and/or advantages of the exemplary embodiments, will be apparent from the description which follows, or may be learned by practice of the embodiments according to the teachings of the invention.
Drawings
The drawings are not intended to be drawn to scale with respect to true references. In the drawings, each identical or nearly identical component that is illustrated in various figures may be represented by a like numeral. For purposes of clarity, not every component may be labeled in every drawing. Embodiments of various aspects of the invention will now be described, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 is a front view in cross section of a rural ecological wetland purification treatment system according to an embodiment of the present application;
FIG. 2 is a top view block diagram of a rural ecological wetland purification treatment system according to an embodiment of the present application;
FIG. 3 is a front cross-sectional view of a rural ecological wetland purification treatment system according to other embodiments of the present application;
fig. 4 is a top view block diagram of a rural ecological wetland purification treatment system according to other embodiments of the present application.
In the drawings, the meanings of the reference numerals are as follows:
a sedimentation tank 1; energy dissipation bank 101; a mud discharge port 102; a first screen plate 103; a manual ladder 104; a first tank body 2; a gravel layer 201; a ceramic layer 202; a steel slag layer 203; a porous filler layer 204; a second tank body 3; a second screen 301; an aluminum sludge filler layer 302; a floor mat 303; an annular packing region 4; a zeolite layer 401; a soil layer 402; emerging plants 403; a cylinder 404; a metal electrode 405; an inert electrode 406; an ecological purifying pond 5; a foam board 501; a hollow case 502; an elastic means 503; a first inlet conduit 6; a second inlet pipe 7; a third inlet pipe 8; a fourth inlet pipe 9; a spring pressure assembly 901; an annular filler inlet pipe 10; an annular filler outlet pipe 11; and a main outlet pipe 12.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without creative efforts, based on the described embodiments of the present invention fall within the protection scope of the present invention. Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs.
The terms "first," "second," and the like in the description and in the claims, are not used for any order, quantity, or importance, but are used for distinguishing between different elements. Also, unless the context clearly indicates otherwise, singular forms "a," "an," or "the" and similar terms do not denote a limitation of quantity, but rather denote the presence of at least one. The terms "comprises," "comprising," or the like are intended to cover a feature, integer, step, operation, element, and/or component recited as being present in the element or article that "comprises" or "comprising" does not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. "up", "down", "left", "right" and the like are used only to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed accordingly.
In the prior art, as the sewage quantity generated by the living of the village is generally less, the residence of residents is more dispersed, and the water consumption is also smaller, the sewage discharge quantity is also smaller, and the village is different in the sewage quantity generated by the living work in the morning and evening, when the sewage quantity is smaller, the flow break possibly occurs, namely the sewage discharge is in a discontinuous state, the characteristic of large variation range is realized, and the existing ecological wetland treatment system is difficult to adapt to various sewage discharge quantities; the rural domestic sewage basically contains no metal substances and toxic substances, but contains phosphorus, has large water quality fluctuation and strong biodegradability, and the existing ecological wetland treatment system has insufficient phosphorus removal capability. In view of this, the present invention contemplates a rural ecological wetland purification treatment system as shown in fig. 1, comprising a sedimentation tank 1, a filtering tank, an annular packing region 4, and an ecological purification pond 5, which are sequentially disposed in the water flow direction.
The sedimentation tank 1 comprises an energy dissipation bank 101, a mud discharging port 102, a first screen plate 103 and an artificial ladder 104. The energy dissipation bank 101 is fixed at the bottom of the sedimentation tank 1, the sludge discharge port 102 is arranged at the bottom of the wall of the sedimentation tank 1, the first screen plate 103 is horizontally fixed in the sedimentation tank 1, and the artificial ladder 104 is fixed on the wall of the sedimentation tank 1.
The filter tank is divided into a tank bottom layer, a tank middle layer and a tank high layer by two parallel horizontal partition plates; the bottom layer of the pool and the middle layer of the pool are arranged as a first pool body 2, and the high layer of the pool is arranged as a second pool body 3.
In this embodiment, the bottom layer of the pool includes a gravel layer 201, a ceramsite layer 202, and a steel slag layer 203 arranged along the water flow direction, where the gravel layer 201, the ceramsite layer 202, and the steel slag layer 203 are arranged in parallel through vertical partition plates, and water inlets of the layers are staggered; the middle layer of the pond comprises a porous filler layer 204, and the porous filler layer 204 is provided with a water inlet communicated with the middle layer of the pond and the high layer of the pond; the second tank body 3 is provided with a second screen plate 301 and an aluminum sludge filler layer 302 according to the water flow direction, and a ground mat 303 is horizontally arranged on the tank surface of the second tank body 3. The particle size range of the filler of the gravel layer 201 is 1 cm-2 cm, the particle size range of the filler of the ceramsite layer 202 is 2 cm-3 cm, the particle size range of the filler of the steel slag layer 203 is 2 cm-3 cm, and the particle size range of the filler of the aluminum sludge filler layer 302 is 3 cm-5 cm.
A first water inlet pipe 6, a second water inlet pipe 7, a third water inlet pipe 8 and a fourth water inlet pipe 9 are arranged in the sedimentation tank 1.
According to the sewage flow direction, sewage enters the ecological wetland purification treatment system in the embodiment, and firstly enters the sedimentation tank 1 from the first water inlet pipe 6.
In this embodiment, the water outlet of the first water inlet pipe 6 is disposed between the energy dissipation ridge 101 and the first screen 103, so as to better convert the sewage discharged from the first water inlet pipe 6 from rapid flow into slow flow, eliminate kinetic energy, and prevent the sediment from floating under the action of the impact force of water flow, and the water outlet of the first water inlet pipe 6 is opposite to the slope of the energy dissipation ridge 101 and is more than 20cm away from the energy dissipation ridge 101. In order to intercept large particles discharged into sewage, the first screen plate 103 is arranged at a height at least 10cm greater than the height of the water outlet of the first water inlet pipe 6. After the sediment in the sedimentation tank 1 is accumulated to a certain extent, the sediment is cleaned periodically through the mud discharging port 102.
The sewage enters the ecological wetland purification treatment system according to the sewage flow direction, and the sewage enters the filter tank from the sedimentation tank 1.
Because villagers are discontinuous and large in change range in the morning and evening due to the sewage discharge generated by life work and rest, the sedimentation tank 1 is provided with a plurality of routes on a channel for entering subsequent treatment so as to adapt to various sewage discharge amounts.
In this embodiment, the first route: the second water inlet pipe 7 is arranged between the sedimentation tank 1 and the gravel layer 201, the water inlet of the second water inlet pipe 7 is higher than the water outlet of the second water inlet pipe 7, and the water outlet of the second water inlet pipe 7 is higher than the water outlet of the first water inlet pipe 6 and higher than the first screen 103. When the sewage discharge amount is small, the water level in the sedimentation tank 1 rises to the position of the second water inlet pipe 7, and flows into the first tank body 2 through the second water inlet pipe 7. The sewage flows in the first tank body 2 in a baffling manner, sequentially passes through the gravel layer 201, the ceramsite layer 202 and the steel slag layer 203, then flows into the middle layer of the tank from the bottom layer of the tank, the middle layer of the tank is provided with the porous filler layer 204, and the porous filler layer 204 is uniformly mixed and sintered by the fly ash, clay and caking agent to form a block structure, so that pollutants are adsorbed, and the film hanging of microorganisms is also facilitated.
In this embodiment, the second route: the third water inlet pipe 8 is horizontally arranged between the sedimentation tank 1 and the second tank body 3, and the water inlet and the water outlet of the third water inlet pipe 8 are higher than the water inlet of the second water inlet pipe 7. When the sewage amount is large, the water level of the sedimentation tank 1 rises to the third water inlet pipe 8, and at the moment, sewage flows into the filter tank from the second water inlet pipe 7 and the third water inlet pipe 8 respectively for purification.
In this embodiment, the third route: the fourth water inlet pipe 9 is horizontally arranged between the sedimentation tank 1 and the annular packing area 4, and the water inlet and outlet of the fourth water inlet pipe 9 is arranged between the water outlet of the second water inlet pipe 7 and the first screen plate 103; the fourth inlet pipe 9 further comprises a spring pressure assembly 901, which spring pressure assembly 901 is arranged in the water inlet of the fourth inlet pipe 9. When the water volume is continuously increased, the water level of the sedimentation tank 1 is continuously increased and exceeds the third water inlet pipe 8, the spring pressure assembly 901 is opened under the pressure of high water level, and part of water body directly enters the annular packing region 4 from the fourth water inlet pipe 9.
In order to realize the communication of the above routes and smooth sewage transportation, the setting height of the second water inlet pipe 7 is at least 10cm lower than the setting height of the third water inlet pipe 8, the setting height of the fourth water inlet pipe 9 is at least 10cm lower than the setting height of the second water inlet pipe 7, and the distance between the third water inlet pipe 8 and the ground mat 303 is greater than 15cm.
The sewage enters the ecological wetland purification treatment system according to the embodiment according to the water flow direction of the sewage, and then enters the annular packing area 4 from the filter tank.
In this embodiment, an annular filler water inlet pipe 10 is horizontally arranged between the filter tank and the annular filler zone 4, and a water inlet of the annular filler water inlet pipe 10 is arranged on the porous filler layer 204.
The annular packing region 4 includes a zeolite layer 401, a soil layer 402, and a galvanic cell.
In an embodiment, the soil layer 402 is disposed above the zeolite layer 401, the soil layer 402 is provided with emergent aquatic plants 403 with pointed bottom planting pots, the emergent aquatic plants 403 are planted in the planting pots and are uniformly distributed in the annular packing area 4, the emergent aquatic plants 403 are preferably one or more plants of reed, cattail, cane shoots, typha and the like, and plants suitable for growth can be selected according to the climate conditions of the construction area, so that the wetland system has good landscape ornamental value. In some embodiments, a fixing pile with a tip structure is arranged at the bottom of the planting pot of the emergent aquatic plant 403, and the bottom of the fixing pile is inserted into the soil layer 402, so that the plant pot is prevented from moving due to water flow impact, and the stability is enhanced; holes are formed in the bottom and the periphery of a planting pot of the emergent aquatic plants 403, plant roots are attached to soil in the planting pot, sewage enters the planting pot through the holes, and the plant roots utilize nitrogen and phosphorus in water as nutrients growing on the plant roots, so that the water is purified.
In this embodiment, two sets of the primary batteries are provided in total, and as shown in fig. 2, the two sets of the primary batteries are symmetrical about the center of the annular filler region 4. The galvanic cell comprises a metal electrode 405 and an inert electrode 406 hidden within the zeolite layer 401 and not in contact with the bottom surface of the annular packing region 4. The metal electrode 405 arranged in the annular filler zone 4 is a magnesium electrode, and the magnesium electrode is a pure magnesium or magnesium alloy electrode plate with the magnesium content more than or equal to 95%; the inert electrode 406 disposed in the annular packing region 4 is a graphite electrode. The metal electrode 405 is wrapped with a cylindrical barrel 404, the cylindrical barrel 404 is an insulating barrel, and is used for bearing load and improving chemical reaction resistance, and preferably, materials such as polypropylene and the like can be selected; the wall of the cylindrical barrel 404 is also provided with densely distributed water permeable holes so as to ensure that the primary battery system has a better electrolysis effect. The primary battery also comprises an LED lamp which is connected in series in the primary battery and is exposed on the surface of the annular filler zone 4, and the LED lamp is used for improving the night view ornamental value of the wetland system. In some embodiments, an aeration device may also be provided using the generated electrical energy, which is provided to intermittently aerate the aeration device. The magnesium electrode is used as a negative electrode, oxidation reaction is carried out, magnesium ions are released to combine with phosphate ions in the sewage to generate phosphates such as magnesium ammonium phosphate and the like, and then precipitation is carried out, so that phosphorus is enriched near the magnesium electrode, the phosphorus removal effect is improved, and additional electric energy is generated.
In order to ensure the normal operation of the primary battery, the metal electrode 405 and the inert electrode 406 are 5cm higher than the bottom surface of the annular filling area 4, the metal electrode 405 and the inert electrode 406 are 10cm higher than the surface of the annular filling area 4, and the distance between the metal electrode 405 and the inert electrode 406 is 3 cm-7 cm.
Enters the ecological wetland purification treatment system according to the embodiment according to the water flow direction of the sewage, and then enters the ecological purification pond 5 from the annular packing area 4.
An annular filler water outlet pipe 11 is horizontally arranged between the annular filler zone 4 and the ecological purification pond 5, and the setting height of the annular filler water outlet pipe 11 is lower than that of the annular filler water inlet pipe 10. In this embodiment, the annular filler water outlet pipe 11 and the annular filler water inlet pipe 10 are centrosymmetric with respect to the center of the ecological purifying pond 5, and the specific structure is as shown in fig. 2, so that the path of the sewage reaching the ecological purifying pond 5 through the annular filler area 4 is maximized.
An ecological floating plate is arranged in the ecological purifying pond 5 and comprises a foam plate 501, a hollow box 502 and an elastic device 503. The foam board 501 is provided with a plurality of small holes and is fixed at the top of the hollow box 502, and the foam board 501 is provided with a plurality of small water inlet holes, so that water can conveniently enter the hollow box 502 for storage. The elastic device 503 has two different sides, one side of the elastic device 503 is a conical side, the conical side is connected to the bottom of the hollow box 502, the other side of the elastic device 503 is a rod-shaped side, and the rod-shaped side is fixed to the bottom of the ecological purifying pond 5. The conical side of the elastic device 503 provides elasticity, so that the stability of the ecological floating plate on the water surface and the wind resistance of plants are improved, the rod-shaped side of the elastic device 503 is a supporting rod, and the bottom of the ecological purifying pond 5 is connected with the conical side. Normally, the hollow box 502 is filled with water, and when water inflow is suspended, plants can absorb water from the hollow box 502 to prevent withering.
Enters the ecological wetland purification treatment system according to the sewage flow direction, and the sewage is purified and finally flows out of the ecological purification pond 5.
The pool wall of the ecological purification pool 5 is provided with a total water outlet pipe 12, and the height of the total water outlet pipe 12 is positioned between the annular filler water inlet pipe 10 and the annular filler water outlet pipe 11 and is higher than the rod-shaped side of the elastic device 503.
The rural ecological wetland purification treatment system comprises an annular body or a single side body, the shapes of the sedimentation tank 1 and the filter tank are the annular body shown in the embodiment shown in fig. 1 and 2, each tank body is annular from outside to inside, and the annular sedimentation tank 1, the filter tank and the annular filler zone 4 are sleeved in sequence from outside to inside by taking the central point of the ecological purification tank 5 as the center of a circle in the annular body. In addition, the rural ecological wetland purification treatment system can also be designed into a rectangular body as shown in fig. 3 and 4, namely a single side body, wherein in the single side body, the sedimentation tank 1 and the filter tank are rectangular tank bodies, the annular packing area 4 is sleeved outside the ecological purification tank 5, the sedimentation tank 1, the filter tank and the annular packing area 4 are adjacently arranged, and the specific shape is designed according to the environment where the ecological wetland is located and the cost consideration.
In summary, the application designs a rural ecological wetland purification treatment system, wherein a plurality of water inlets are arranged on the side wall of a sedimentation tank so as to adapt to different water inflow, and a plurality of water flow paths are formed so as to ensure the normal operation of the system; the primary battery device is additionally arranged, the primary battery technology is utilized to strengthen the dephosphorization capability of the wetland system, and the distribution of elements in the wetland system is changed by matching with the absorption of nitrogen and phosphorus elements by plants, and meanwhile, the electric energy is generated, the sewage treatment energy consumption is reduced, and the environment-friendly low-carbon effect is achieved; the wetland system has the advantages of low manufacturing cost, small occupied area, stable operation and landscape effect when being matched with plants and LED lamps.
While the invention has been described with reference to preferred embodiments, it is not intended to be limiting. Those skilled in the art will appreciate that various modifications and adaptations can be made without departing from the spirit and scope of the present invention. Accordingly, the scope of the invention is defined by the appended claims.
Claims (10)
1. The rural ecological wetland purification treatment system is characterized by comprising a sedimentation tank (1), a filter tank, an annular packing area (4) and an ecological purification pond (5) which are sequentially arranged according to the water flow direction;
the sedimentation tank (1) comprises an energy dissipation bank (101), a sludge discharge port (102), a first screen plate (103) and an artificial ladder (104); the energy dissipation ridge (101) is fixed at the bottom of the sedimentation tank (1), the sludge discharge opening (102) is arranged on the tank wall of the sedimentation tank (1), the first screen plate (103) is horizontally fixed in the sedimentation tank (1), and the artificial ladder (104) is fixed on the tank wall of the sedimentation tank (1);
the filter tank is divided into a tank bottom layer, a tank middle layer and a tank high layer by two parallel horizontal partition plates; the bottom layer and the middle layer of the pool are arranged as a first pool body (2), and the high layer of the pool is arranged as a second pool body (3);
the bottom of the pool comprises a gravel layer (201), a ceramsite layer (202) and a steel slag layer (203) which are arranged in the water flow direction, wherein the gravel layer (201), the ceramsite layer (202) and the steel slag layer (203) are arranged in parallel through vertical partition plates, and water inlets of all the layers are staggered; the middle layer of the pond comprises a porous filler layer (204), and the porous filler layer (204) is provided with a water inlet communicated with the middle layer of the pond and the high layer of the pond; the second tank body (3) is provided with a second screen plate (301) and an aluminum sludge filler layer (302) according to the water flow direction, and a ground cushion (303) is horizontally arranged on the tank surface of the second tank body (3);
a first water inlet pipe (6), a second water inlet pipe (7), a third water inlet pipe (8) and a fourth water inlet pipe (9) are arranged in the sedimentation tank (1) and adapt to various sewage discharge amounts in a plurality of routes;
the water outlet of the first water inlet pipe (6) is arranged between the energy dissipation ridge (101) and the first screen plate (103) and is opposite to the slope of the energy dissipation ridge (101); the second water inlet pipe (7) is arranged between the sedimentation tank (1) and the gravel layer (201), the water inlet of the second water inlet pipe (7) is higher than the water outlet of the second water inlet pipe (7), and the water outlet of the second water inlet pipe (7) is higher than the water outlet of the first water inlet pipe (6) and higher than the first screen plate (103); the third water inlet pipe (8) is horizontally arranged between the sedimentation tank (1) and the second tank body (3), and the water inlet and the water outlet of the third water inlet pipe (8) are higher than the water inlet of the second water inlet pipe (7); the fourth water inlet pipe (9) is horizontally arranged between the sedimentation tank (1) and the annular filling area (4), and the water inlet and the water outlet of the fourth water inlet pipe (9) are arranged between the water outlet of the second water inlet pipe (7) and the first screen plate (103); the fourth water inlet pipe (9) further comprises a spring pressure assembly (901), and the spring pressure assembly (901) is arranged in the water inlet of the fourth water inlet pipe (9) so as to communicate the sedimentation tank (1) with the annular packing area (4) under a large water pressure;
an annular filler water inlet pipe (10) is horizontally arranged between the filter tank and the annular filler zone (4), and a water inlet of the annular filler water inlet pipe (10) is arranged on the porous filler layer (204);
the annular packing region (4) comprises a zeolite layer (401), a soil layer (402) and a primary cell;
the soil layer (402) is arranged above the zeolite layer (401), and emergent aquatic plants (403) with pointed bottom planting pots are arranged on the soil layer (402); the primary battery comprises a metal electrode (405) and an inert electrode (406), wherein the metal electrode (405) and the inert electrode (406) are hidden in the zeolite layer (401) and are not in contact with the bottom surface of the annular filling area (4), the metal electrode (405) is externally wrapped with a cylindrical barrel (404), and the primary battery further comprises an LED lamp which is connected in series in the primary battery and is exposed on the surface of the annular filling area (4);
an annular filler water outlet pipe (11) is horizontally arranged between the annular filler zone (4) and the ecological purification pond (5), and the arrangement height of the annular filler water outlet pipe (11) is lower than that of the annular filler water inlet pipe (10);
an ecological floating plate is arranged in the ecological purifying pond (5), and comprises a foam plate (501), a hollow box body (502) and an elastic device (503); the foam plate (501) is provided with a plurality of small holes and is fixed at the top of the hollow box body (502), the conical side of the elastic device (503) is connected to the bottom of the hollow box body (502), and the rod-shaped side of the elastic device (503) is fixed at the bottom of the ecological purifying pond (5); the ecological purification pond (5) is characterized in that a total water outlet pipe (12) is arranged on the pond wall, and the height of the total water outlet pipe (12) is positioned between the annular filler water inlet pipe (10) and the annular filler water outlet pipe (11) and is higher than the rod-shaped side of the elastic device (503).
2. The rural ecological wetland purification treatment system according to claim 1, wherein: the water outlet of the first water inlet pipe (6) is opposite to the slope of the energy dissipation ridge (101) and is more than 20cm away from the energy dissipation ridge (101).
3. The rural ecological wetland purification treatment system according to claim 1, wherein: the setting height of the first screen plate (103) is at least 10cm greater than the setting height of the water outlet of the first water inlet pipe (6).
4. The rural ecological wetland purification treatment system according to claim 1, wherein: the particle size range of the filler of the gravel layer (201) is 1 cm-2 cm, the particle size range of the filler of the ceramsite layer (202) is 2 cm-3 cm, the particle size range of the filler of the steel slag layer (203) is 2 cm-3 cm, and the particle size range of the filler of the aluminum sludge filler layer (302) is 3 cm-5 cm.
5. The rural ecological wetland purification treatment system according to claim 1, wherein: the setting height of the second water inlet pipe (7) is lower than the setting height of the third water inlet pipe (8) by at least 10cm, the setting height of the fourth water inlet pipe (9) is lower than the setting height of the second water inlet pipe (7) by at least 10cm, and the distance between the third water inlet pipe (8) and the ground mat (303) is larger than 15cm.
6. The rural ecological wetland purification treatment system according to claim 1, wherein: the metal electrode (405) arranged in the annular packing region (4) is a magnesium electrode, and the inert electrode (406) arranged in the annular packing region (4) is a graphite electrode.
7. The rural ecological wetland purification treatment system according to claim 6, wherein: the metal electrode (405) and the inert electrode (406) are higher than the bottom surface of the annular filling area (4) by 5cm, the metal electrode (405) and the inert electrode (406) are higher than the surface of the annular filling area (4) by 10cm, and the distance between the metal electrode (405) and the inert electrode (406) is 3 cm-7 cm.
8. The rural ecological wetland purification treatment system according to claim 1, wherein: the cylindrical barrel (404) is an insulating barrel.
9. The rural ecological wetland purification treatment system according to claim 8, wherein: the wall of the cylindrical barrel (404) is provided with densely distributed water permeable holes.
10. The rural ecological wetland purification treatment system according to claim 1, wherein: the rural ecological wetland purification treatment system comprises an annular body or a single side body, wherein the annular body is internally sleeved with a circular sedimentation tank (1), a filter tank and an annular packing area (4) from outside to inside in sequence by taking the central point of the ecological purification pond (5) as the center of a circle; in the unilateral body, sedimentation tank (1) with the filtering ponds are the rectangle cell body, ecological purification pond (5) overcoat is equipped with square annular packing district (4), sedimentation tank (1) the filtering ponds with annular packing district (4) are adjacent to be set up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310411533.8A CN116135801B (en) | 2023-04-18 | 2023-04-18 | Rural ecological wetland purification treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310411533.8A CN116135801B (en) | 2023-04-18 | 2023-04-18 | Rural ecological wetland purification treatment system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116135801A CN116135801A (en) | 2023-05-19 |
| CN116135801B true CN116135801B (en) | 2023-08-08 |
Family
ID=86334715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310411533.8A Active CN116135801B (en) | 2023-04-18 | 2023-04-18 | Rural ecological wetland purification treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116135801B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117185587A (en) * | 2023-10-27 | 2023-12-08 | 江苏龙腾工程设计股份有限公司 | Ecological purification system for aquaculture tail water with complementary photovoltaics in fishery |
| CN117509955A (en) * | 2023-11-10 | 2024-02-06 | 中国电建集团北京勘测设计研究院有限公司 | Constructed wetland device and method |
| CN117401859B (en) * | 2023-11-24 | 2024-04-05 | 江苏龙腾工程设计股份有限公司 | Energy-saving carbon-reduction village and town sewage treatment system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102874972A (en) * | 2011-07-12 | 2013-01-16 | 临沂大学 | Pre-reservoir series system of purification for non-point source pollution in hilly and mountainous area agriculture |
| CN204939096U (en) * | 2015-09-25 | 2016-01-06 | 杭州沁霖生态科技有限公司 | A kind of breathing pattern artificial wet land system for sewage disposal |
| CN111285546A (en) * | 2020-03-04 | 2020-06-16 | 湖南恒凯环保科技投资有限公司 | Storage regulation and purification system and method for controlling rain-sewage confluence overflow pollution |
| CN112479482A (en) * | 2020-11-02 | 2021-03-12 | 广州鑫泓设备设计有限公司 | Ammonia nitrogen wastewater treatment system based on constructed wetland |
| CN213327072U (en) * | 2020-09-10 | 2021-06-01 | 周竹韵 | Water circulation treatment device for landscape architecture |
| CN113979532A (en) * | 2021-10-28 | 2022-01-28 | 山东大学 | Primary cell type constructed wetland system with phosphorus recovery function |
| CN115818905A (en) * | 2023-02-17 | 2023-03-21 | 江苏龙腾工程设计股份有限公司 | Rural sewage treatment system of low carbon reoxygenation |
-
2023
- 2023-04-18 CN CN202310411533.8A patent/CN116135801B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102874972A (en) * | 2011-07-12 | 2013-01-16 | 临沂大学 | Pre-reservoir series system of purification for non-point source pollution in hilly and mountainous area agriculture |
| CN204939096U (en) * | 2015-09-25 | 2016-01-06 | 杭州沁霖生态科技有限公司 | A kind of breathing pattern artificial wet land system for sewage disposal |
| CN111285546A (en) * | 2020-03-04 | 2020-06-16 | 湖南恒凯环保科技投资有限公司 | Storage regulation and purification system and method for controlling rain-sewage confluence overflow pollution |
| CN213327072U (en) * | 2020-09-10 | 2021-06-01 | 周竹韵 | Water circulation treatment device for landscape architecture |
| CN112479482A (en) * | 2020-11-02 | 2021-03-12 | 广州鑫泓设备设计有限公司 | Ammonia nitrogen wastewater treatment system based on constructed wetland |
| CN113979532A (en) * | 2021-10-28 | 2022-01-28 | 山东大学 | Primary cell type constructed wetland system with phosphorus recovery function |
| CN115818905A (en) * | 2023-02-17 | 2023-03-21 | 江苏龙腾工程设计股份有限公司 | Rural sewage treatment system of low carbon reoxygenation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116135801A (en) | 2023-05-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN116135801B (en) | Rural ecological wetland purification treatment system | |
| US11352279B2 (en) | Rural landscape-type nitrogen and phosphorus ecological interception ditch system and farmland drainage nitrogen and phosphorus interception method using the same | |
| CN105502841B (en) | A kind of folded spring layer scape formula sewage disposal device | |
| CN110790388A (en) | Composite vertical subsurface flow constructed wetland sewage purification system based on functional filler structure | |
| CN109607952A (en) | A kind of reinforced phosphor-removing composite artificial wet land treating system | |
| CN107364973B (en) | Sewage treatment system, application thereof and sewage treatment method | |
| CN202968315U (en) | Water quality pretreatment facility | |
| CN203768123U (en) | Wavy subsurface-flow constructed wetland landscape water body treatment system | |
| CN211394022U (en) | River sewage treatment device | |
| CN209721854U (en) | A kind of reinforced phosphor-removing composite artificial wet land treating system | |
| CN208166682U (en) | Multi-stage ecological artificial swamp for sewage disposal system | |
| CN109879536B (en) | Rural domestic sewage purification system and purification method | |
| CN100469712C (en) | Eutrophicated water body double-fluidised form block-proof artificial wet land system | |
| CN101759331B (en) | System for treating sewage of preposition activated sludge-gallery type artificial wetland and method therefor | |
| CN210974319U (en) | Cascaded sewage treatment system | |
| CN108706728B (en) | Courtyard type constructed wetland sewage treatment system | |
| CN114560594A (en) | Modular fast-assembling wetland sewage treatment device | |
| CN220845755U (en) | Rural sewage treatment equipment based on constructed wetland technology | |
| CN201614336U (en) | Preposed activated sludge-gallery type constructed wetland sewage treatment system | |
| CN216584623U (en) | Vertical alternating vertical flow multifunctional coupling type artificial wetland | |
| CN220393450U (en) | Wetland purification curtain wall | |
| CN215439845U (en) | Deep denitrification bioretention pond | |
| CN211394216U (en) | Canning type rural domestic sewage treatment device | |
| CN214457485U (en) | Courtyard type rural domestic sewage ecological purification system | |
| CN204625421U (en) | The dystopy purification of river channel type waterhead area water body and water quality maintain system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |