Automatic wetland water purification system

Abstract

The utility model discloses an automatic wetland water purification system. The system comprises a wetland planting area, plant communities used for purifying water quality are planted in the wetland planting area, gates are arranged on the edge of the wetland planting area and comprise an inlet gate and an outlet gate, and gate signal ports are arranged in the inlet gate and the outlet gate and used for receiving control information and adjusting opening and closing of the gates. Therefore, the water inlet amount and the water outlet amount entering the wetland planting area are respectively controlled; a water level sensor which is vertically arranged is arranged in the wetland planting area, and a water level signal port is arranged in the water level sensor and used for transmitting the measured water level data of the wetland planting area out; the water purification system further comprises a microprocessor and a battery device. The device can automatically supply power and operate automatically, automatically regulate and control the opening and closing of the gate, control the hydraulic retention time of domestic sewage or farmland drainage, and realize removal of nitrogen and phosphorus nutritive salts in water pollutants.

Description

Technical Field

[0001] The utility model relates to the technical field of water environment, in particular to an automatic wetland water purification system. Background Art

[0002] In recent years, due to the imperfect domestic sewage interception system, the mixing and misconnection of rainwater and sewage pipes, and non-point source pollution from farmland, the water body has been deteriorating.

[0003] Existing water quality improvement measures include land and water treatment measures, among which water purification measures include constructing artificial wetlands to treat water bodies. Artificial wetlands are artificially built pools or trenches, planted with vascular plants such as reeds or aquatic plants with well-developed root systems, and sewage enters from one end of the wetland through water distribution pipes and channels, and is purified by sufficient contact with the surface of the medium covered with biofilm and dissolved oxygen in the plant root zone in a push flow manner. Artificial wetlands are divided into surface runoff artificial wetlands and artificial subsurface flow wetlands.

[0004] However, there are the following problems with existing artificial wetlands:

[0005] First, the artificial structure is complex and the construction cost is high. In addition, the water stays in the water body for a short time after entering the water body, so the effect of removing pollutants is poor.

[0006] Second, artificial management of the hydraulic retention time of wetlands has high overall operation, maintenance and management costs, which is difficult to achieve in the wild or in irrigation areas. Summary of the invention

[0007] In view of the shortcomings of the prior art, the utility model proposes an automated wetland water purification system, which has a simple structure, is easy to implement, can automatically manage the hydraulic retention time, and deeply purify the sewage entering the wetland system.

[0008] In order to achieve the above-mentioned purpose, the utility model is designed to provide an automated wetland water purification system, including a wetland planting area for storing domestic sewage or farmland drainage, and its special features are:

[0009] Plant communities for purifying water quality are planted inside the wetland planting area. Gates are arranged at the edge of the wetland planting area. The gates include an inlet gate and an outlet gate. Both the inlet gate and the outlet gate have built-in gate signal ports for receiving control information and adjusting the opening and closing of the gates, thereby controlling the water inflow and discharge into the wetland planting area respectively.

[0010] A vertically arranged water level sensor is provided inside the wetland planting area, and the water level sensor has a built-in water level signal port for transmitting the measured water level data of the wetland planting area;

[0011] The water purification system also includes a microprocessor and a battery device. The microprocessor includes a transmission interface and a micro memory. The transmission interface is respectively connected to the water level signal port of the water level sensor and the gate signal ports of the inlet gate and the outlet gate, and is used to receive water level data from the water level signal port; the micro memory is used to perform spectrum analysis on the water level signal, and control the transmission interface to transmit instructions to the gate signal port, regulate the opening and closing of the inlet gate and the outlet gate, thereby controlling the residence time of domestic sewage or farmland drainage in the wetland planting area;

[0012] The battery device is respectively connected with the inlet gate, the outlet gate, the water level sensor, and the microprocessor to supply power.

[0013] Furthermore, the wetland planting area includes a base located in the middle, and side slopes are arranged around the base, and the slope ratio between the side slopes and the base is 1:1.5 to 1:3.0.

[0014] Furthermore, the base has a length of 30m to 50m, a width of 15m to 30m, and is filled with soil with a thickness of 30 to 40cm.

[0015] Furthermore, the plant community includes submerged plants and emergent plants, and the submerged plants are planted on the substrate with a plant density of 90 clumps / m 2 ~110 clusters / m 2 The emergent plants are planted on the slopes at a planting density of 20 plants / m 2 ~30 plants / m 2 .

[0016] Furthermore, the submerged plants are one or more of Vallisneria, Foxtail Algae, and Duckweed; the emergent plants are one or more of Zizania latifolia, Zona odorifera, and Canna indica.

[0017] Furthermore, the inlet gate and the outlet gate are arranged in the middle area of ​​the short side of the wetland planting area.

[0018] Furthermore, the micro memory model is STM32G030K6T6.

[0019] Furthermore, the micro storage controls the residence time of domestic sewage or farmland drainage in the wetland planting area to be 3 to 5 days.

[0020] Furthermore, the battery device includes a photovoltaic component, a charge and discharge control device 62 and a storage battery, the photovoltaic component is used to convert solar energy into electrical energy, the charge and discharge control device is used to stabilize the circulating electrical energy, and the storage battery is used to store electrical energy.

[0021] The advantages of the utility model are:

[0022] The utility model discloses an automated wetland water purification system, which adopts biological measures to purify water quality, has low cost and good ecological effect, can supply power and operate automatically, regulate the opening and closing of gates automatically, control the hydraulic retention time of domestic sewage or farmland drainage, and remove nitrogen and phosphorus nutrients from water pollutants. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the structure of the utility model automated wetland water purification system;

[0024] Figure 2 It is a plan view of the automatic wetland water purification system of the utility model;

[0025] In the figure: wetland planting area 1, plant community 2, gate 3, water level sensor 4, microprocessor 5, battery device 6;

[0026] The wetland planting area 1 includes: a base 11 and a slope 12;

[0027] Plant community 2 includes: submerged plants 21 and emergent plants 22;

[0028] The gate 3 includes: an inlet gate 31 and an outlet gate 32;

[0029] The microprocessor 5 includes: a transmission interface 51 and a micro memory 52;

[0030] The battery device 6 includes: a photovoltaic component 61 , a charge and discharge control device 62 , and a storage battery 63 . DETAILED DESCRIPTION

[0031] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.

[0032] like Figures 1-2As shown, the utility model automatic wetland water purification system comprises a wetland planting area 1 for storing domestic sewage or farmland drainage, wherein a plant community 2 for purifying water quality is planted inside the wetland planting area 1, and a gate 3 is arranged at the edge of the wetland planting area 1, wherein the gate 3 comprises an inlet gate 31 and an outlet gate 32, and the inlet gate 31 and the outlet gate 32 are both equipped with a gate signal port for receiving control information and adjusting the opening and closing of the gate, thereby respectively controlling the water inflow and discharge into the wetland planting area 1.

[0033] Preferably, the wetland planting area 1 comprises a base 11 located in the middle, and the base 11 is surrounded by side slopes 12 , and the slope ratio between the side slopes 12 and the base 11 is 1:1.5 to 1:3.0.

[0034] Specifically, the base 11 is 30m to 50m long, 15m to 30m wide, and filled with soil with a thickness of 30 to 40cm. In the present invention, the base 11 is filled with 40cm of evenly distributed clay soil.

[0035] Specifically, the plant community 2 includes submerged plants 21 and emergent plants 22. The submerged plants 21 are planted on the substrate 11, and the plant density is 90 bushes / m 2 ~110 clusters / m 2 The emergent plants 22 are planted on the slope 21 at a planting density of 20 plants / m 2 ~30 plants / m 2 .

[0036] The submerged plants 21 are one or more of Vallisneria, Myriophyllum, and Ceratophyllum, wherein Vallisneria accounts for 60% to 70% of the total weight of the submerged plants; the emergent plants 22 are one or more of Zizania, Zygophyllum, and Canna.

[0037] Preferably, the inlet gate 31 and the outlet gate 32 are arranged in the middle area of ​​the short side of the wetland planting area 1 .

[0038] A vertically arranged water level sensor 4 is provided inside the wetland planting area 1 , and the water level sensor 4 is used to measure the wetland water level. The water level sensor 4 has a built-in water level signal port for transmitting the measured water level data of the wetland planting area 1 .

[0039] The water purification system also includes a microprocessor 5 and a battery device 6. The microprocessor 5 includes a transmission interface 51 and a micro memory 52. ​​The transmission interface 51 is respectively connected to the water level signal port of the water level sensor 4, and the gate signal ports of the inlet gate 31 and the outlet gate 32, and is used to receive water level data from the water level signal port; the micro memory 52 is used to perform spectrum analysis on the water level signal, and control the transmission interface 51 to transmit instructions to the gate signal port, regulate the opening and closing of the inlet gate 31 and the outlet gate 32, thereby controlling the residence time of domestic sewage or farmland drainage in the wetland planting area 1.

[0040] Specifically, the micro memory 52 has a model of STM32G030K6T6. The micro memory 52 controls the residence time of domestic sewage or farmland drainage in the wetland planting area 1 to be 3 to 5 days.

[0041] The microprocessor 52 controls the water inlet gate 31 to open, and introduces sewage with non-point source pollution into the wetland. After being treated by the plant community 2 for 3 to 4 days, the water outlet gate 32 is controlled to open and discharge the water purified by the submerged plants 21 and the emergent plants 22.

[0042] The battery device 6 is respectively connected to the inlet gate 31 , the outlet gate 32 , the water level sensor 4 , and the microprocessor 5 to supply power.

[0043] Preferably, the battery device 6 includes a photovoltaic component 61, a charge and discharge control device 62 and a storage battery 63, the photovoltaic component 61 is used to convert solar energy into electrical energy, the charge and discharge control device 62 is used to stabilize the circulating electrical energy, and the storage battery 63 is used to store electrical energy.

[0044] The micro memory 52 is used to analyze the power consumption of the inlet gate 31, the outlet gate 32, the water level sensor 4, and the microprocessor 5. When the electric energy generated by the photovoltaic component 61 is less than the power consumption, the battery 63 releases electric energy to supply power; when the electric energy generated by the photovoltaic component 61 is greater than the power consumption, the battery 63 stores electric energy.

[0045] When the utility model is in use, the battery device 6 is connected to the inlet gate 31, the outlet gate 32, the water level sensor 4, and the microprocessor 5, and is normally powered. The specific use process is as follows:

[0046] S1) Domestic sewage or farmland drainage with excessive nitrogen and phosphorus content enters the wetland planting area 1 through the inlet gate 31;

[0047] S2) The water level sensor 4 measures the water level in the wetland planting area 1 and transmits the water level data to the microprocessor 5 in real time. When the water level reaches the set depth, the microprocessor 5 closes the inlet gate 31, so that the sewage or drainage to be treated and purified stays in the wetland planting area 1 for 3 to 4 days and is deeply purified by the plant community 2;

[0048] S3) After the residence time exceeds 3 to 4 days, the microprocessor 5 controls the outlet gate 32 to open the drainage, and discharges the purified water into the river or lake to achieve water purification.

[0049] The utility model discloses an automated wetland water purification system, which uses biological measures to purify water quality, has low cost and good ecological effect, can be self-powered and automatically operated, and can automatically adjust the opening and closing of gates to control the hydraulic retention time of domestic sewage or farmland drainage, thereby removing nitrogen and phosphorus nutrients from water pollutants.

[0050] The above embodiments are preferred implementation modes of the present invention, but the implementation modes of the present invention are not limited by the above embodiments. Any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the spirit and principle of the present invention should be equivalent replacement methods and are included in the protection scope of the present invention.

Claims

1. An automated wetland water purification system, comprising a wetland planting area (1) for storing domestic sewage or farmland drainage, characterized in that: The wetland planting area (1) is planted with a plant community (2) for purifying water quality. A gate (3) is arranged at the edge of the wetland planting area (1). The gate (3) includes an inlet gate (31) and an outlet gate (32). The inlet gate (31) and the outlet gate (32) are both equipped with a gate signal port for receiving control information and adjusting the opening and closing of the gate, thereby respectively controlling the water inflow and outflow into the wetland planting area (1); A vertically arranged water level sensor (4) is provided inside the wetland planting area (1), and the water level sensor (4) has a built-in water level signal port for transmitting measured water level data of the wetland planting area (1); The water purification system further comprises a microprocessor (5) and a battery device (6). The microprocessor (5) comprises a transmission interface (51) and a micro memory (52). The transmission interface (51) is respectively connected to a water level signal port of a water level sensor (4) and gate signal ports of an inlet gate (31) and an outlet gate (32) for receiving water level data from the water level signal port. The micro memory (52) is used to perform spectrum analysis on the water level signal and control the transmission interface (51) to transmit instructions to the gate signal port, thereby regulating the opening and closing of the inlet gate (31) and the outlet gate (32), thereby controlling the residence time of domestic sewage or farmland drainage in the wetland planting area (1). The battery device (6) is respectively connected to the inlet gate (31), the outlet gate (32), the water level sensor (4), and the microprocessor (5) to supply power.

2. The automated wetland water purification system according to claim 1, characterized in that: The wetland planting area (1) comprises a base (11) located in the middle, and side slopes (12) are arranged around the base (11), and the slope ratio between the side slopes (12) and the base (11) is 1:1.5 to 1:3.

0.

3. The automated wetland water purification system according to claim 2, characterized in that: The base (11) has a length of 30m to 50m, a width of 15m to 30m, and is filled with soil with a thickness of 30 to 40cm.

4. The automated wetland water purification system according to claim 3, characterized in that: The plant community (2) includes submerged plants (21) and emergent plants (22). The submerged plants (21) are planted on the substrate (11) at a plant density of 90 clumps / m 2 ~110 clusters / m 2 The emergent plants (22) are planted on the slope (12) at a planting density of 20 plants / m 2 ~30 plants / m 2 .

5. The automated wetland water purification system according to claim 4, characterized in that: The submerged plants (21) are one or more of Vallisneria, Foxtail Algae, and Dermatophyte; the emergent plants (22) are one or more of Zizania latifolia, Zygophyllum serrata, and Canna indica.

6. The automated wetland water purification system according to claim 1, characterized in that: The inlet gate (31) and the outlet gate (32) are arranged in the middle area of ​​the short side of the wetland planting area (1).

7. The automated wetland water purification system according to claim 1, characterized in that: The model of the micro memory (52) is STM32G030K6T6.

8. The automated wetland water purification system according to claim 7, characterized in that: The micro storage (52) controls the residence time of domestic sewage or farmland drainage in the wetland planting area (1) to be 3 to 5 days.

9. The automated wetland water purification system according to claim 1, characterized in that: The battery device (6) comprises a photovoltaic component (61), a charge and discharge control device (62) and a storage battery (63); the photovoltaic component (61) is used to convert solar energy into electrical energy; the charge and discharge control device (62) is used to perform voltage stabilization on the circulating electrical energy; and the storage battery (63) is used to store electrical energy.

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