Anti-blocking constructed wetland system

Abstract

The utility model provides an anti-clogging artificial wetland system which comprises a power unit, a filler unit and a water flow path control structure, the power unit comprises a driving mechanism and an energy module, and the energy module is used for providing power for the driving mechanism; the filler unit comprises at least two layers of annularly distributed filler blocks, each filler block is divided into a water inlet area and a water outlet area, and the positions of the water inlet areas and the water outlet areas are periodically switched through a driving mechanism; the water flow path control structure is used for guiding sewage to form alternately changed flowing directions in the filler unit; wherein the driving mechanism is in linkage with the filler unit, the direction of the filler unit is adjusted according to a preset period, and the water flow path is changed. The constructed wetland system can effectively solve the technical problem that the constructed wetland system in the prior art is easy to block.

Description

Technical Field

[0001] This utility model relates to the field of wastewater treatment technology, specifically to an anti-clogging artificial wetland system. Background Technology

[0002] Constructed wetlands are engineering projects that simulate the structure and function of natural wetlands, artificially introducing low-pollution water into a unique ecosystem composed of filler material (including soil) and aquatic plants, animals, and microorganisms to improve water quality through synergistic physical, chemical, and biological processes. While subsurface flow constructed wetlands offer good treatment results and require little space, they are prone to clogging.

[0003] Chinese patent application CN110563146A discloses an adjustable-mode annular horizontal subsurface flow constructed wetland, belonging to the field of wastewater treatment technology. The invention includes a distribution channel and a wetland pool. The inner side of the distribution channel is divided into an inlet area and an outlet area. The inlet area has evenly distributed inlet holes, the input end of which connects to the upstream wetland pool. The outlet area has outlet holes, the output end of which connects to the downstream wetland pool. An inlet tee is provided at the inlet end of the distribution channel, and an outlet tee is provided at the outlet end. This invention uses a PLC valve control system to allow the internal water flow to alternate periodically in clockwise and counterclockwise directions, enhancing the wetland's self-cleaning function. Through the built-in program of the PLC valve control system, a starting or ending pool can be arbitrarily set, and multiple wetland pools can be rotated, thereby extending the wetland's service life and reducing its operation and maintenance costs.

[0004] The aforementioned existing technologies have the disadvantage of being prone to clogging in practical use, so it is very important to develop an anti-clogging artificial wetland system. Utility Model Content

[0005] The purpose of this invention is to provide an anti-clogging artificial wetland that can effectively solve the technical problem of easy clogging in existing artificial wetland systems.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:

[0007] A clog-resistant constructed wetland system, comprising:

[0008] A power unit, comprising a drive mechanism and an energy module, wherein the energy module provides power to the drive mechanism;

[0009] A packing unit includes at least two layers of annularly distributed packing blocks, the packing blocks being divided into an inlet area and an outlet area, and the positions of the inlet area and the outlet area being periodically switched by a drive mechanism.

[0010] A flow path control structure is used to guide the wastewater to form an alternating flow direction within the packing unit;

[0011] The drive mechanism is linked with the packing unit to adjust the orientation of the packing unit at a preset cycle, thereby changing the water flow path.

[0012] In one embodiment of the present invention, the driving mechanism includes a rotating component and an energy storage device. The rotating component is driven by the energy storage device to make the packing unit rotate periodically at a preset angle, wherein the preset angle is 15°-180°.

[0013] In one embodiment of the present invention, the packing block includes at least one annular region, which is divided into multiple fan-shaped sub-regions, wherein at least some of the sub-regions are configured as water inlet areas and the remaining sub-regions are water outlet areas; the ratio of the number of water inlet areas to the number of water outlet areas is 1:1.

[0014] In one embodiment of the present invention, the water flow path control structure includes at least one permeable support plate and a flow guide baffle disposed between adjacent packing blocks. The permeable support plate is used to support the packing blocks and allow water to flow through, and the flow guide baffle is used to force the water to form a multi-directional flow path within the packing unit.

[0015] In one embodiment of the present invention, the frame of the filler block is made of a corrosion-resistant material, and at least one side of the filler block is provided with a water-permeable structure, the water-permeable structure including one or a combination of a mesh, a slot, or a mesh bag; and at least one side of the filler block is provided with a water inlet channel or a water outlet channel.

[0016] In one embodiment of this utility model, the filling material of the packing block is selected from one or more combinations of porous adsorption materials, ion exchange materials or microbial carrier materials, and the number of packing layers is at least two.

[0017] In one embodiment of this utility model, the packing block is installed in the system by a detachable connection, and the top of the system is provided with an operation port for replacing or cleaning the packing block.

[0018] In one embodiment of this utility model, the preset cycle ranges from 1 to 30 days, and the rotation angle is 15° to 180° each time. The rotation angle and cycle are dynamically adjusted according to water quality parameters or running time.

[0019] In one embodiment of this utility model, the water inlet area and the water outlet area are provided with multiple water inlets and water outlets, the number of which is 2-8, and the distribution pattern is symmetrical or asymmetrical.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] This utility model mainly consists of a power unit, a packing unit, and a water flow path control structure. In actual use, the energy module provides power to the drive mechanism, dividing the packing block into an inlet area and an outlet area. The positions of the inlet and outlet areas are periodically switched by the drive mechanism. The drive mechanism is linked with the packing unit and adjusts the orientation of the packing unit at a preset cycle to change the water flow path, which can effectively solve the technical problem of easy clogging in existing industrial wetland systems. Attached Figure Description

[0022] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.

[0023] Figure 1 This is a general structural diagram of the present utility model.

[0024] Figure 2 This is a structural diagram of the power unit of this utility model.

[0025] Figure 3 This is a top view (A-section view) of the upper power system of this utility model.

[0026] Figure 4 This is a top view (B-section view) of the lower power system of this utility model.

[0027] Figure 5 This is a structural diagram of the packing unit of this utility model.

[0028] Figure 6 This is a top view (C-section view) of the upper water treatment system of this utility model.

[0029] Figure 7 This is a top view (D-section view) of the lower water treatment system of this utility model.

[0030] Figure 8 This is a schematic diagram of the upper outer ring packing block structure of this utility model.

[0031] Figure 9 This is a schematic diagram of the lower outer ring packing block structure of this utility model.

[0032] Figure 10 This is a schematic diagram of the upper inner ring packing block structure of this utility model.

[0033] Figure 11 This is a schematic diagram of the lower inner ring packing block structure of this utility model.

[0034] Figure 12 This is a longitudinal sectional view of the present invention.

[0035] Figure label:

[0036] 101 Solar panel; 102 Rotating column; 103 Upper inner ring track; 104 Upper outer ring track; 105 Upper support plate; 106 Lower inner ring track; 107 Lower outer ring track; 108 Lower support plate; 201 Inlet pipe; 202 Outlet pipe; 203 Upper semi-circular baffle; 204 Lower semi-circular baffle; 205 Outer ring packing block; 206 Inner ring packing block; 207 Inlet trough; 208 Outlet trough; 209 Outer arc surface of upper outer ring packing block; 210 Lower outer ring... 211 Outer arc surface of the first upper outer ring packing block; 212 Side elevation of the second upper outer ring packing block; 213 Side elevation of the first lower outer ring packing block; 214 Side elevation of the second lower outer ring packing block; 215 Outer arc surface of the upper inner ring packing block; 216 Inner arc surface of the upper inner ring packing block; 217 Top surface of the upper inner ring packing block; 218 Inner arc surface of the lower inner ring packing block; 219 Outer arc surface of the lower inner ring packing block; 220 Bottom surface of the lower inner ring packing block; 3. Water flow trajectory. Detailed Implementation

[0037] In the following description, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments can be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and description are considered to be exemplary in nature and not restrictive.

[0038] In the description of the embodiments of this utility model, it should be understood that the terms "length", "vertical", "horizontal", "top", "bottom", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing the embodiments of this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this utility model.

[0039] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0040] In this embodiment of the invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a communication connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this embodiment of the invention according to the specific circumstances.

[0041] In this embodiment of the invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0042] The following disclosure provides many different implementations or examples for different structures of the embodiments of the present invention. To simplify the disclosure of the embodiments of the present invention, specific examples of components and arrangements are described below. Of course, these are merely examples and are not intended to limit the embodiments of the present invention. Furthermore, reference numerals and / or reference letters may be repeated in different examples of the embodiments of the present invention; such repetition is for simplification and clarity and does not in itself indicate a relationship between the various implementations and / or arrangements discussed.

[0043] The embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0044] This embodiment discloses an anti-clogging constructed wetland system, comprising:

[0045] A power unit, comprising a drive mechanism and an energy module, wherein the energy module provides power to the drive mechanism;

[0046] A packing unit includes at least two layers of annularly distributed packing blocks, each packing block being used to hold packing material. The packing blocks are divided into an inlet area and an outlet area, and the positions of the inlet area and the outlet area are periodically switched by a drive mechanism.

[0047] A flow path control structure is used to guide the wastewater to form an alternating flow direction within the packing unit;

[0048] The drive mechanism is linked with the packing unit to adjust the orientation of the packing unit at a preset cycle, thereby changing the water flow path.

[0049] In one embodiment of the present invention, the driving mechanism includes a rotating component (rotating column 102) and an energy storage device (battery). The rotating component is driven by the energy storage device to make the filling unit rotate periodically at a preset angle, the preset angle being 15°-180°.

[0050] In one embodiment of the present invention, the packing block includes at least one annular region, which is divided into multiple fan-shaped sub-regions, wherein at least some of the sub-regions are configured as water inlet areas and the remaining sub-regions are water outlet areas; the ratio of the number of water inlet areas to the number of water outlet areas is 1:1.

[0051] In one embodiment of this utility model, the water flow path control structure includes at least one permeable support plate (specifically, an upper support plate 105 and a lower support plate 108) and a flow guide baffle (specifically, an upper semi-circular baffle 203 and a lower semi-circular baffle 204) disposed between adjacent packing blocks. The permeable support plate is used to support the packing blocks and allow water to flow through, while the flow guide baffle is used to force the water to form a multi-directional flow path within the packing unit.

[0052] In one embodiment of the present invention, the frame of the filler block is made of a corrosion-resistant material, and at least one side of the filler block is provided with a water-permeable structure, the water-permeable structure including one or a combination of a mesh, a slot, or a mesh bag; and at least one side of the filler block is provided with a water inlet channel or a water outlet channel.

[0053] In one embodiment of this utility model, the filling material of the packing block is selected from one or more combinations of porous adsorption materials, ion exchange materials or microbial carrier materials, and the number of packing layers is at least two.

[0054] In one embodiment of this utility model, the packing block is installed in the system by a detachable connection, and the top of the system is provided with an operation port for replacing or cleaning the packing block.

[0055] In one embodiment of this utility model, the preset cycle ranges from 1 to 30 days, and the rotation angle is 15° to 180° each time. The rotation angle and cycle are dynamically adjusted according to water quality parameters or running time.

[0056] In one embodiment of the present invention, the water inlet area and the water outlet area are provided with a plurality of water inlets and water outlets, the number of which is 2-8, and the distribution pattern is symmetrical or asymmetrical. A water inlet pipe 201 and a water outlet pipe 202 are provided at the water inlet and the water outlet.

[0057] In this invention, a solar-powered rotating mechanism drives the packing unit to rotate according to a preset cycle. At the same time, the flow direction changes alternately through the guide baffle and the permeable support plate. The detachable packing block is adaptable to different water quality requirements and is easy to maintain.

[0058] In this invention, the artificial wetland system is a cylindrical structure, consisting of upper and lower layers and inner and outer rings. The power unit includes a solar panel 101 and a rotating column 102. The solar panel 101 is installed on the top of the system at an angle of 15°-45°. It stores electrical energy in a battery integrated in the rotating column 102 through photovoltaic conversion. The rotating column 102 vertically penetrates the center of the system. Its bottom is fixedly connected to the lower support plate 108, and its top is engaged with the inner and outer ring tracks of the upper support plate 105 through a gear set.

[0059] The upper support plate 105 and the lower support plate 108 are respectively equipped with an inner ring track and an outer ring track, with a track width of 10-30mm, and are made of stainless steel for corrosion resistance. The solar panel 101 stores energy daily, and the battery drives the rotating column 102 to rotate 30°-60° according to a preset program (such as every 3-7 days). The rotating column 102 drives the upper and lower support plates 108 to rotate synchronously through gear transmission, thereby causing the packing unit to rotate as a whole. After rotation, the original water inlet area switches to the water outlet area, and the water flow direction is forcibly changed.

[0060] To facilitate a better understanding of this invention by those skilled in the art, the following detailed description is provided in conjunction with specific implementation examples.

[0061] Specific Case 1:

[0062] A clog-resistant constructed wetland system includes a power unit and a filler unit; the constructed wetland system has a cylindrical structure, consisting of upper and lower layers and inner and outer rings.

[0063] The power unit includes a solar panel 101, a rotating column 102, a battery, an upper support plate 105, and a lower inner ring track 106.

[0064] The industrial wetland system also includes an upper semi-circular baffle 203, a lower semi-circular baffle 204, an outer ring packing block 205, an inner ring packing block 206, four inlet pipes 201, and four outlet pipes 202. Aquatic plants can be planted above the packing units.

[0065] The solar panel 101 stores solar energy in a battery. In practical use, the rotating column 102 is connected to a drive motor, which is connected to the battery to drive the rotating column. The battery is internally mounted within the rotating column 102, and in practice, brushes or conductive slip rings are used to connect the battery to the drive motor. Of course, other battery configurations can also be used in practical applications, which will not be elaborated here.

[0066] According to process requirements, the rotating column 102 is periodically rotated 45°, which in turn rotates the upper inner ring track 103 and upper outer ring track 104 on the upper support plate 105, and the lower inner ring track 106 and lower outer ring track 107 on the lower support plate 108, synchronously rotating the packing unit together. The upper support plate 105 and lower support plate 108 are used for support purposes.

[0067] The packing unit consists of two layers, an inner and an outer ring, and is divided into eight zones at 45° intervals. Four zones are inlet zones, and the other four are outlet zones. The inlet is located in the upper layer of the inlet zone and includes four inlet pipes 201, while the outlet is located in the lower layer of the outlet zone and includes four outlet pipes 202.

[0068] Except for the support frame, the upper inner ring track 103, and the upper outer ring track 104, the upper tray 105 is hollowed out to facilitate water flow. The support frame is used to support the upper tray 105.

[0069] An upper semi-circular baffle 203 is installed between the inner and outer ring packings in the upper water inlet zone of the packing unit, and a lower semi-circular baffle 204 is installed between the inner and outer ring packings in the lower water outlet zone.

[0070] The packing blocks are divided into outer ring packing blocks 205 and inner ring packing blocks 206. Fiberglass is used as the frame support for the packing blocks. The sealed packing blocks have fiberglass sides to prevent water passage, including: the outer arc surface and side facades of the upper outer ring packing block 205 (specifically: the outer arc surface 209 of the upper outer ring packing block, the side facades 211 and 212 of the first upper outer ring packing block), the outer arc surface, side facades (specifically: the outer arc surface 210 of the lower outer ring packing block, the side facades 213 and 214 of the first lower outer ring packing block), and the bottom surface of the lower outer ring packing block 205; the upper inner ring packing block has an inner arc surface 216 and a top surface 217; the lower inner ring packing block has an inner arc surface 218 and a bottom surface 220. The remaining sides are made of fine mesh bags or fiberglass grating, allowing water to pass through while blocking the packing material. The outer arc surface 209 of the upper outer ring packing block has an inlet groove 207, and the outer arc surface 210 of the lower outer ring packing block has an outlet groove 208, which facilitates water flow.

[0071] The outer ring packing block 205 and the inner ring packing block 206 can be pulled out from above for cleaning or replacement.

[0072] The number of packing blocks can be increased to three or four layers depending on the water quality characteristics. Different types of packing materials can also be selected according to the water quality characteristics, such as combinations of zeolite, limestone, fly ash, and polyurethane materials, requiring the packing materials to meet the gradation requirements.

[0073] In actual use, sewage enters the packing unit evenly from the four inlet pipes 201. First, it enters the upper outer ring packing block 205. Under the obstruction of the upper semi-circular baffle 203, the water flows downward and enters the lower outer ring packing block 205. Then it enters the lower inner ring packing block 206. Under the obstruction of the lower semi-circular baffle 204, the water flows upward and enters the upper outer ring packing block 205. Under the obstruction of the outer arc surface 209 of the upper outer ring packing block, the water flows downward and is discharged from the system through the outlet pipe 202.

[0074] The solar panel 101 stores solar energy in its batteries. According to process requirements, it rotates the rotating column 102 by 45° every 5 days or periodically. This rotation drives the upper inner ring track 103 and upper outer ring track 104 on the upper support plate 105, and the lower inner ring track 106 and lower outer ring track 107 on the lower support plate 108, simultaneously rotating the packing unit. During the entire 360° operation cycle, the packing unit is in the water inlet zone half the time and in the water outlet zone half the time. Specifically, the water flow in the outer ring packing is half from top to bottom and half from bottom to top; the water flow in the inner ring packing is half from lower left to upper right and half from lower right to upper left. This design prevents the packing blocks from clogging and allows for long-term use.

[0075] Figure 12 The dashed line in the middle represents the water flow trajectory 3; if the packing becomes clogged after long-term use, the packing block can be pulled out from the top for cleaning or replacement.

[0076] In practical use, the upper and lower outer ring packing blocks and the upper and lower inner ring packing blocks are installed in a detachable manner, which facilitates later cleaning.

[0077] Although preferred embodiments of the present invention have been described, those skilled in the art, upon learning the basic inventive concept, can make other changes and modifications to these embodiments. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments as well as all changes and modifications falling within the scope of the present invention.

[0078] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. It should be noted that any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A clog-resistant constructed wetland system, characterized in that, include: A power unit, comprising a drive mechanism and an energy module, wherein the energy module provides power to the drive mechanism; A packing unit includes at least two layers of annularly distributed packing blocks, the packing blocks being divided into an inlet area and an outlet area, and the positions of the inlet area and the outlet area being periodically switched by a drive mechanism. A flow path control structure is used to guide the wastewater to form an alternating flow direction within the packing unit; The drive mechanism is linked with the packing unit to adjust the orientation of the packing unit at a preset cycle, thereby changing the water flow path.

2. The anti-clogging constructed wetland system according to claim 1, characterized in that: The driving mechanism includes a rotating component and an energy storage device. The rotating component is driven by the energy storage device to make the packing unit rotate periodically at a preset angle, which is 15°-180°.

3. The anti-clogging constructed wetland system according to claim 1, characterized in that: The packing block includes at least one annular region, which is divided into multiple fan-shaped sub-regions, wherein at least some of the sub-regions are configured as inlet areas and the remaining sub-regions are outlet areas; the ratio of the number of inlet areas to outlet areas is 1:

1.

4. The anti-clogging constructed wetland system according to claim 1, characterized in that: The water flow path control structure includes at least one permeable support plate and a flow guide baffle disposed between adjacent packing blocks. The permeable support plate is used to support the packing blocks and allow water to flow through, while the flow guide baffle is used to force the water to form a multi-directional flow path within the packing unit.

5. The anti-clogging constructed wetland system according to claim 1, characterized in that: The frame of the filler block is made of corrosion-resistant material, and at least one side of it has a permeable structure, which includes one or a combination of a mesh, a slot, or a mesh bag; and at least one side of the filler block has a water inlet channel or a water outlet channel.

6. The anti-clogging constructed wetland system according to claim 1, characterized in that: The number of packing layers in the packing block is at least two.

7. The anti-clogging constructed wetland system according to claim 1, characterized in that: The packing blocks are installed in the system via a detachable connection, and the top of the system has an operating port for replacing or cleaning the packing blocks.

8. The anti-clogging constructed wetland system according to claim 2, characterized in that: The preset cycle ranges from 1 to 30 days, and the rotation angle is 15° to 180° each time. The rotation angle and cycle are dynamically adjusted according to water quality parameters or running time.

9. The anti-clogging constructed wetland system according to claim 2, characterized in that: The water inlet area and the water outlet area are each provided with multiple water inlets and water outlets, and the number of water inlets and water outlets is 2-8.

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