CN111960547A - Large-area artificial wetland treatment system and treatment method - Google Patents
Large-area artificial wetland treatment system and treatment method Download PDFInfo
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- CN111960547A CN111960547A CN202010827720.0A CN202010827720A CN111960547A CN 111960547 A CN111960547 A CN 111960547A CN 202010827720 A CN202010827720 A CN 202010827720A CN 111960547 A CN111960547 A CN 111960547A
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- 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
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
Abstract
The invention discloses a large-area constructed wetland treatment system and a treatment method, comprising the following steps: a plurality of processing units; the artificial wetland is divided into a plurality of subareas, a plurality of treatment units are arranged in any subarea array, and the treatment units are inserted into the mud at the bottom of the artificial wetland; the processing unit comprises a plurality of annular parts which are concentrically sleeved, the annular parts are respectively marked as a first annular part, a second annular part and a third annular part … … Nth annular part along the tangential direction, any annular part comprises a plurality of flexible plates which are arranged at intervals, and a plurality of through holes are arranged on the flexible plates at intervals; a gap between two adjacent annular members forms a treatment area, a water inlet member is arranged on one side of the plate area, water is injected into the plate area through the water inlet member, and the water sequentially flows through a plurality of treatment units; two flexible plates at the corresponding positions of two adjacent annular parts in any processing unit are matched and connected to form a regulating part, and the capacity of the corresponding processing area can be regulated by the regulating part.
Description
Technical Field
The invention relates to the field of artificial wetland treatment and water quality treatment, in particular to a large-area artificial wetland treatment system and a treatment method.
Background
The wetland is an important ecosystem on the earth, can regulate the water storage quantity and the climate, provides a good habitat for rare animals, and can purify sewage, the artificial wetland is a comprehensive ecosystem, and the artificial wetland applies the principles of species symbiosis, material cycle regeneration and structure and function coordination in the ecosystem, fully exerts the production potential of resources on the premise of promoting the virtuous cycle of pollutants in wastewater, prevents the recontamination of the environment, and obtains the best benefits of sewage treatment and reclamation. The plants of the artificial wetland can also convey oxygen for the water body, so that the activity of the water body is increased. Wetland plants also play an important role in controlling water quality pollution and degrading harmful substances, but in the application process, people gradually find that blockage is a common problem in wetland operation, and the application and popularization of the wetland are greatly restricted. Wetland plugging is actually a process in which the effective porosity and permeability coefficient are constantly decreasing. The large accumulation of the blocking substances on the surface layer and the upper layer of the wetland not only has great influence on the hydraulic retention time of the wetland, but also causes the problems of surface flow, short flow and the like of the wetland, thereby influencing the sewage treatment effect of the wetland.
The traditional artificial wetland is not suitable for large-area treatment due to poor water mobility, and in the treatment process, the treatment of index reservation can not be carried out according to different treatment modes in different areas, the treatment effect is poor, in addition, the capacity or the water flow rate of the treatment area can not be flexibly adjusted through the swinging of the flexible plates, the flexible plates with different sizes are not arranged, a certain diversion effect can not be realized on water, the storage of the water is caused, finally, the height of the flexible plates can not realize a certain diversion effect on the water, so that the water can not flow along a preset path, the water can not be dispersed or gathered, and the use effect is poor.
Disclosure of Invention
The invention overcomes the defects of the prior art and provides a large-area constructed wetland treatment system and a treatment method.
In order to achieve the purpose, the invention adopts the technical scheme that: a large-area constructed wetland treatment system comprising: a plurality of processing units; it is characterized in that the preparation method is characterized in that,
the artificial wetland is divided into a plurality of subareas, a plurality of treatment units are arranged in any subarea array, and the treatment units are inserted into the mud at the bottom of the artificial wetland;
the processing unit comprises a plurality of annular pieces which are concentrically sleeved, wherein the annular pieces are respectively marked as a first annular piece, a second annular piece and a third annular piece … … Nth annular piece along the tangential direction, N is more than or equal to 3, any annular piece comprises a plurality of flexible plates which are arranged at intervals, and a plurality of through holes are arranged at intervals on the flexible plates;
a processing area is formed by a gap between two adjacent annular parts, the processing area between the first annular part and the second annular part is marked as a first area, the processing area between the second annular part and the third annular part is marked as a second area … …, and the like;
a water inlet part is arranged on one side of the wafer area, water is injected into the wafer area through the water inlet part, and the water sequentially flows through the plurality of treatment units;
two flexible plates at corresponding positions of two adjacent annular parts in any processing unit are matched and connected to form a regulating part, and the capacity of a corresponding processing area can be regulated by the regulating part.
In a preferred embodiment of the invention, the ring structure can be a circular or oval structure.
In a preferred embodiment of the invention, the two flexible plates corresponding to the adjusting part are connected in a matching way through the matching part, and the two flexible plates swing in the same direction in the water injection process.
In a preferred embodiment of the present invention, the adjusting member adjusts the flow rate of the water in the treatment area on one side during the swinging process, and the flow rate of the water in the treatment area on the other side is correspondingly changed.
In a preferred embodiment of the present invention, the engaging member is of a telescopic structure.
In a preferred embodiment of the invention, the flexible sheet is a plastic sheet or a polymeric sheet.
In a preferred embodiment of the invention, the gap between adjacent flexible plates within the same annular member is adjustable.
The second aspect of the invention provides an artificial wetland treatment method, which comprises the following steps: injecting water into any one zone of the artificial wetland through the water inlet piece, and realizing the circulation of water by matching a plurality of zones;
the water flows through a plurality of treatment units in the plate area in sequence, the size of a gap opening between adjacent flexible plates is adjusted, and the treatment units lead the water into the treatment area to form circulation;
the through holes in the flexible plate can guide water and quickly take away surface runoff water;
and digesting the sludge at the bottom of the treatment area to ensure that the microbial content of the sludge at the bottom layer reaches a preset index.
In a preferred embodiment of the invention, the dimensions of the flexible plates on the same annular element can be the same or different.
In a preferred embodiment of the invention, the size of the plurality of flexible plates on different annular members can be the same or different.
The invention solves the defects in the background technology, and has the following beneficial effects:
1. form a loop forming element through a plurality of flexonics board, adjacent loop forming element forms a treatment area, and a plurality of treatment area is concentric annular structure, and gapped between two adjacent flexonics boards on the same loop forming element can prevent to cause the jam in the loop forming element through the clearance that sets up, is favorable to constructed wetland's processing.
2. The flexible plate inserts the muddy depths of constructed wetland bottom, when inserting the flexible plate, adjusts the clearance between the adjacent flexible plate, makes to have a great clearance on the same loop forming element, and remaining clearance is less, and great clearance on the adjacent loop forming element is located opposite position, during the water injection, makes rivers form the binary channels circulation flow in the treatment zone, prolongs rivers flow path, improves treatment effect.
3. The large gaps are arranged at different positions of the annular parts, so that water flows along the large gaps to form a preset track to flow, and in the artificial wetland treatment process, the plurality of treatment units are matched to form a whole, so that the area is treated, and the artificial wetland treatment with a large area is realized.
4. Be provided with the through-hole on the flexbile plate, water passes through the through-hole and flows, is located the through-hole on wetland water level upper portion, can take away constructed wetland top water fast after the water injection, and the inside argillaceous of treatment area is cleared up, can realize the disconnect-type and handle.
5. Two flexible plates at the corresponding positions of adjacent ring-shaped elements are matched and connected into an adjusting element, the adjusting element is impacted in the surface water flowing process, so that the adjusting element swings in the same direction, the inner diameter of the upper part of a processing area in the bending direction of the adjusting element is reduced in the swinging process, the capacity of the processing area is reduced, the capacity of the processing area in the opposite bending direction is increased, the capacity of the processing area is adjusted accordingly, the partition processing is realized, and the processing mode is more flexible.
6. Connect through the fitting piece between the two flexible boards on the regulating part, the fitting piece is telescopic structure, and is flexible through the fitting piece, adjusts initial angle or initial distance between two flexible pieces, and then the swing angle of control regulating part, makes the capacity that regulating part swing in-process adjusted the treatment area be located reasonable within range.
7. The height difference of a plurality of flexbile plates on same annular member, the height of a plurality of flexbile plates on different annular members is the same, through setting up the position of lower flexbile plate, can play certain water conservancy diversion effect to water, makes water flow along predetermined route, plays certain sparse or gathering effect to water in addition.
8. The flexible plate is a plastic plate, heavy metal ions or other microorganisms in the wetland cannot cause corrosion or decomposition of the flexible plate, and the service life of the flexible plate is effectively prolonged.
9. The fitting piece can also be two segmentation arc structures that can adjust the angle, and fitting piece intermediate position department is provided with the pivot, can make the both ends angle adjustment of fitting piece through the pivot, and the angle adjustment in-process can make two flexbile plates dislocation that the fitting piece both ends are connected, and the flexbile plate dislocation, and then can adjust the clearance of flexbile plate both sides, and through the design of fitting piece, can adjust the width in clearance in a flexible way, and then adjust the flow frequency and the velocity of flow of water
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings of the embodiments can be obtained according to the drawings without creative efforts.
Fig. 1 is a distribution diagram of an artificial wetland treatment system according to the present invention.
FIG. 2 is a schematic diagram of a processing unit according to the present invention.
Fig. 3 is a schematic view of the structure of the adjusting member of the present invention.
In the figure: 1. flexible plate, 2, mating member, 3, clear up piece, 4, processing zone, 5, clearance, 6, regulating part.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the scope of the present application. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art through specific situations.
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
The invention will now be described in further detail with reference to the accompanying drawings and examples, which are simplified schematic drawings and illustrate only the basic structure of the invention in a schematic manner, and thus show only the constituents relevant to the invention.
As shown in fig. 1 to 3, the invention discloses a large-area constructed wetland treatment system.
It should be noted that, a large area artificial wetland treatment system includes: a plurality of processing units;
the artificial wetland is divided into a plurality of subareas, a plurality of treatment units are arranged in any subarea array, and the treatment units are inserted into the mud at the bottom of the artificial wetland;
the processing unit comprises a plurality of annular pieces which are concentrically sleeved, the annular pieces are respectively marked as a first annular piece, a second annular piece and a third annular piece … … -th annular piece along the tangential direction, wherein N is more than or equal to 3, any annular piece comprises a plurality of flexible plates which are arranged at intervals, and a plurality of through holes are arranged at intervals on the flexible plates;
a processing area is formed by a gap between two adjacent annular parts, the processing area between the first annular part and the second annular part is marked as a first area, the processing area between the second annular part and the third annular part is marked as a second area … …, and the like;
a water inlet piece is arranged on one side of the wafer area, water is injected into the wafer area through the water inlet piece, and the water sequentially flows through the plurality of treatment units;
two flexible plates at the corresponding positions of two adjacent annular parts in any processing unit are matched and connected to form a regulating part, and the capacity of the corresponding processing area can be regulated by the regulating part.
Specifically, constructed wetland is cut apart into a plurality of piece district, divide regional the processing to constructed wetland, the treatment effect is better, a plurality of flexbile plate inboard is provided with at least one and clears up the piece, when processing unit inserts bottom argillaceous, it inserts in the argillaceous at least part to clear up the bottom of piece, it is located below the intermediate position of flexbile plate height to clear up the piece, it inserts argillaceous 5-10 centimetres at least to clear up the piece, preferably 5 centimetres, not only can clear up bottom argillaceous like this through clearing up the piece, can not insert argillaceous simultaneously with whole piece completely, promote and clear up the effect, the space between the two adjacent loop forming element forms treatment area, the capacity of the different treatment area internal water, the velocity of flow and the swing frequency or the angle of flexbile plate are all inequality, can realize like this that the different regional constructed wetland carries out the processing of: in the water injection process, water is injected from the outer side of the treatment unit, so that annular pieces on the outer side of the treatment unit are always flushed by the water, the treatment effect of the artificial wetland in the flushing process is better, but when the water gradually enters the central position of the treatment unit through gaps or through holes, the water pressure is gradually reduced, the treatment effect on the artificial wetland is also gradually reduced, two flexible plates at the corresponding positions of adjacent annular pieces are matched and connected into a regulating piece, surface water impacts the regulating piece in the flowing process to enable the regulating piece to swing in the same direction, the inner diameter of the upper part of a treatment area in the bending direction of the regulating piece is reduced in the swinging process, the capacity of the treatment area is reduced, the capacity of the treatment area in the opposite bending direction is increased, the capacity of the treatment area is regulated accordingly, meanwhile, certain power can be provided for the water through the swinging frequency of the regulating piece, the water can quickly circulate in the, the water flows through the through holes, the through holes positioned on the upper part of the water level of the wetland can quickly take away the surface water of the artificial wetland after water injection, and the mud inside the treatment area is cleared up, so that the separated treatment can be realized.
The through hole can be round or square or oval, but not limited to these, and can also be polygonal, and the size of the through hole can be adjusted by those skilled in the art according to the actual use, and can also be set to 10-15 cm, 5 cm, 8 cm, 0.5 cm, 0.1 cm, 1 mm, preferably 5 cm.
In a preferred embodiment of the invention, the annular ring structure can be a circular or oval structure.
It should be noted that, when the circular or elliptical structure is impacted by water, the resistance of the outer wall of the ring-shaped element to water is reduced, and meanwhile, the impact of water on the outer wall of the ring-shaped element is small, so that when the water impacts the outer wall of the ring-shaped element, the circular outer wall can play a certain buffering role, so that the water is dislocated and drifted, and the linear impact is reduced.
In a preferred embodiment of the invention, the two flexible plates corresponding to the adjusting part are connected in a matching way through the matching part, and the two flexible plates swing in the same direction in the water injection process.
It should be noted that, two flexible plates at the corresponding positions of adjacent ring-shaped elements are matched and connected to form an adjusting element, the adjusting element is impacted in the surface water flowing process, so that the adjusting element swings in the same direction, the inner diameter of the upper part of a processing area in the bending direction of the adjusting element is reduced in the swinging process, the capacity of the processing area is reduced, the capacity of the processing area in the opposite bending direction is increased, the capacity of the processing area is adjusted accordingly, the partition processing is realized, and the processing mode is more flexible.
In the swing process, the flexible plate is a plastic plate, so that heavy metal ions or other microorganisms in the wetland cannot cause corrosion or decomposition of the flexible plate, and the service life of the flexible plate is effectively prolonged.
In a preferred embodiment of the invention, the adjusting member adjusts the flow rate of the water in the treatment area on one side during the swinging process, and the flow rate of the water in the treatment area on the other side is correspondingly changed.
It should be noted that, a gap between two adjacent ring-shaped members forms a processing area, the processing area between the first ring-shaped member and the second ring-shaped member is denoted as a first area, the processing area between the second ring-shaped member and the third ring-shaped member is denoted as a second area, and so on, the first area, the second area and the third area are sequentially arranged from inside to outside along the radial direction of the processing unit, two flexible plates at corresponding positions of two adjacent ring-shaped members in any processing unit are matched and connected to form a regulating member, and the capacity of the corresponding processing area can be regulated by the regulating member, in another embodiment of the present invention, a matching member is arranged between the first ring-shaped member and the second ring-shaped member at both sides of the first area, no matching member is arranged between the second ring-shaped member and the third ring-shaped member, and a still matching member is arranged between the third ring-shaped member and the fourth ring-shaped member, and such arrangement can enable a plurality, the capacity of the treatment areas can be independently adjusted without interaction, and the method can also be understood that an adjusting piece is arranged in at least one treatment area in each treatment unit, so that the water capacity can be adjusted in the treatment areas of the treatment units, and the adjustment flexibility is high.
In a preferred embodiment of the invention, the engaging member is of a telescopic construction.
It should be noted that, two flexible boards on the adjusting piece are connected through the fitting piece, the fitting piece is of a telescopic structure, and the fitting piece is telescopic to adjust the initial angle or the initial distance between the two flexible pieces, so as to control the swing angle of the adjusting piece, and the capacity of the adjusting treatment area in the swing process of the adjusting piece is within a reasonable range. In addition, the fitting piece can also be two segmentation arc structures that can adjust the angle, and fitting piece intermediate position department is provided with the pivot, can make the both ends angle adjustment of fitting piece through the pivot, and the angle adjustment in-process can make two flexonics that the fitting piece both ends are connected misplace, and the flexonics misplaces, and then can adjust the clearance of flexonics both sides, and through the design of fitting piece, the width in clearance can be adjusted in a flexible way, and then adjusts the flow frequency and the velocity of flow of water.
In a preferred embodiment of the invention, the flexible sheet is a plastic sheet or a polymeric sheet.
The flexible plate is a plastic plate, heavy metal ions or other microorganisms in the wetland cannot cause corrosion or decomposition of the flexible plate, and the service life of the flexible plate is effectively prolonged.
Optionally, the flexible sheet can be a polymeric material sheet, and the flexible sheet made of the polymeric material can meet the requirements in terms of toughness and hardness, and has higher flexibility in the use process.
Be provided with the through-hole on the flexbile plate, water passes through the through-hole and flows, is located the through-hole on wetland water level upper portion, can take away constructed wetland top water fast after the water injection, and the inside argillaceous of treatment area is cleared up, can realize the disconnect-type and handle.
In a preferred embodiment of the invention, the gap between adjacent flexible plates within the same annular member is adjustable.
It should be noted that a ring-shaped member is formed by a plurality of flexible plates, a treatment area is formed by adjacent ring-shaped members, the treatment areas are of concentric ring-shaped structures, a gap is formed between two adjacent flexible plates on the same ring-shaped member, and the ring-shaped member can be prevented from being blocked by the arranged gap, so that the treatment of the artificial wetland is facilitated.
The flexible plate inserts the muddy depths of constructed wetland bottom, when inserting the flexible plate, adjusts the clearance between the adjacent flexible plate, makes to have a great clearance on the same loop forming element, and remaining clearance is less, and great clearance on the adjacent loop forming element is located opposite position, during the water injection, makes rivers form the binary channels circulation flow in the treatment zone, prolongs rivers flow path, improves treatment effect.
The large gaps are arranged at different positions of the annular parts, so that water flows along the large gaps to form a preset track to flow, and in the artificial wetland treatment process, the plurality of treatment units are matched to form a whole, so that the area is treated, and the artificial wetland treatment with a large area is realized.
The second aspect of the invention provides an artificial wetland treatment method, which comprises the following steps: injecting water into any one zone of the artificial wetland through the water inlet piece, and realizing the circulation of water by matching a plurality of zones;
the water flows through a plurality of treatment units in the plate area in sequence, the size of a gap opening between adjacent flexible plates is adjusted, and the treatment units lead the water into the treatment area to form circulation;
the through holes in the flexible plate can guide water and quickly take away surface runoff water;
and digesting the sludge at the bottom of the treatment area to ensure that the microbial content of the sludge at the bottom layer reaches a preset index.
It should be noted that, in the process of water injection, because water is injected from the outside of the treatment unit, the annular parts outside the treatment unit are always flushed by the water, the treatment effect of the artificial wetland in the area is better in the flushing process, but when water gradually enters the central position of the treatment unit through gaps or through holes, the water pressure is gradually reduced, the treatment effect on the artificial wetland is also gradually reduced, two flexible plates at the corresponding positions of adjacent annular parts are matched and connected to form a regulating part, surface water impacts the regulating part in the flowing process to enable the regulating part to swing in the same direction, in the swinging process, the inner diameter of the upper part of a treatment area in the bending direction of the regulating part is reduced, the capacity of the treatment area in the opposite direction is increased, the capacity of the treatment area is regulated accordingly, and meanwhile, a certain power can be provided for the water through the swinging frequency of the regulating part, the flexible plate is provided with through holes, water flows through the through holes and is located in the through holes in the upper portion of the water level of the wetland, surface water of the artificial wetland can be taken away quickly after water injection, mud in the treatment area is cleared up, and separated treatment can be achieved
The flexible plate inserts the muddy depths of constructed wetland bottom, when inserting the flexible plate, adjusts the clearance between the adjacent flexible plate, makes to have a great clearance on the same loop forming element, and remaining clearance is less, and great clearance on the adjacent loop forming element is located opposite position, during the water injection, makes rivers form the binary channels circulation flow in the treatment zone, prolongs rivers flow path, improves treatment effect.
The constructed wetland is divided into a plurality of areas, the constructed wetland is treated in different areas, the treatment effect is good, the inner sides of a plurality of flexible plates are provided with at least one digestion piece, when the treatment unit is inserted into bottom argillaceous substances, at least part of the bottom of the digestion piece is inserted into the argillaceous substances, the digestion piece is positioned below the middle position of the height of the flexible plates, the digestion piece is inserted into the argillaceous substances at least by 5-10 cm in depth, preferably by 5 cm, the bottom argillaceous substances can be digested through the digestion piece, meanwhile, the whole digestion piece can not be completely inserted into the argillaceous substances, the digestion effect is improved, gaps between two adjacent annular pieces form treatment areas, the capacity of water in different treatment areas, the flow rate and the swing frequency or the angle of the flexible plates are different, and the treatment of different conditions can be realized on the.
In another embodiment of the invention, matching parts are arranged between the first ring-shaped part and the second ring-shaped part at two sides of the first area, no matching part is arranged between the second ring-shaped part and the third ring-shaped part, and the arrangement is still provided with the matching parts, so that a plurality of processing areas in the same processing unit can not interfere with each other in the swing process, the capacity of the treatment areas can be independently adjusted without interaction, and the method can also be understood that an adjusting piece is arranged in at least one treatment area in each treatment unit, so that the water capacity can be adjusted in the treatment areas of the treatment units, and the adjustment flexibility is high.
The fitting piece can also be two segmentation arc structures that can adjust the angle, and fitting piece intermediate position department is provided with the pivot, can make the both ends angle adjustment of fitting piece through the pivot, and the angle adjustment in-process can make two flexonics that the fitting piece both ends are connected misplace, and the flexonics misplaces, and then can adjust the clearance of flexonics both sides, and through the design of fitting piece, the width in clearance can be adjusted in a flexible way, and then the flow frequency and the velocity of flow of adjustment water.
In a preferred embodiment of the invention, the dimensions of the flexible plates on the same annular element can be the same or different.
The size of the several flexible plates on different annular members can be the same or different.
It should be noted that the heights of the flexible plates on the same ring-shaped member are different, and the heights of the flexible plates on different ring-shaped members are the same, so that the water guide device can guide water to a certain extent by arranging the lower flexible plates, so that the water flows along a preset path, and the water is also dispersed or gathered to a certain extent.
The high difference of a plurality of flexbile plate on same loop forming element, the high difference of a plurality of flexbile plate on the different loop forming elements, this kind of mode of setting can not make the inboard ponding that forms of processing unit, and the water injection in-process, rivers can not make the collection of water behind the processing unit, make water be in and last flow state, and the rivers flow in-process can constantly erode constructed wetland, can improve constructed wetland's treatment effect.
The height of the flexible plates on the same ring-shaped element is the same, the height of the flexible plates on different ring-shaped elements is the same, the arrangement mode can enable water to completely flow along the gap and the through hole, the flexible plate at a certain position cannot be lower than the height of all other flexible plates in the region, the flexible plate in the region cannot be broken due to large stress in the water injection process, the flexible plate is like water in a dike, the impact force of the water in the dike on the dike region is strong, the flexible plates with the same height are arranged, when the flexible plates receive the impact of the water, the borne impact force is not large, and the flexible plates are in a safety range.
The flexible plate height on the same annular member is different, and the flexible plate height on the different annular members is the same, and this kind of mode of setting not only can control each flexible plate in the processing unit when receiving the water impact, the impact force that bears differs by a little, is in safety range. Meanwhile, the water flow and the water impact in different treatment areas can be different.
The through holes in the flexible plates can guide water, surface runoff water is taken away quickly, mud at the bottom of the treatment area is digested, the microbial content of the mud at the bottom layer reaches a preset index, specifically, in the swinging process of the adjusting piece, the swinging amplitude of the flexible plates is small, the area capacity of the upper half part of the treatment area can be controlled only, and if the flexible plates are at least partially higher than the water surface of the artificial wetland, the height higher than the water surface of the artificial wetland can be 5-10 cm, preferably 8 cm. The regulating part swing in-process can not receive the resistance of water like this, and the swing is more nimble, and the swing in-process not only can take away superficial runoff water fast, can also stir the water of the first half of treatment area, makes the water of original treatment area be in the active state, and the water that is originally in the treatment area is constantly taken away to the water of newly pouring into, realizes the circulation of water, and is better to constructed wetland treatment effect.
In carrying out constructed wetland treatment process, a plurality of flexonics lower part inboard is provided with clears up the piece, when processing unit inserts bottom argillaceous, it inserts in the argillaceous at least partially to clear up the bottom of piece, it is located below the intermediate position of flexonics height to clear up the piece, it inserts argillaceous 5-10 centimetres at least to clear up the piece, preferably 5 centimetres, not only can clear up bottom argillaceous like this through clearing up the piece, can not insert argillaceous completely with whole piece simultaneously, promote and clear up the effect, can clear up the processing with bottom argillaceous, make the microorganism content of bottom argillaceous be in reasonable within range, realize constructed wetland ecological balance.
In summary, a ring-shaped element is formed by arranging a plurality of flexible plates, a treatment area is formed by adjacent ring-shaped elements, the treatment areas are of concentric ring-shaped structures, a gap is reserved between two adjacent flexible plates on the same ring-shaped element, the ring-shaped element can be prevented from being blocked by the arranged gap, the flexible plates are inserted into the muddy depth at the bottom of the artificial wetland, when the flexible plates are inserted, the gap between the adjacent flexible plates is adjusted, so that a larger gap is reserved on the same ring-shaped element, the rest gaps are smaller, the larger gaps on the adjacent ring-shaped elements are positioned at opposite positions, when water is injected, water flows form double-channel circular flow in the treatment area, the flow path of the water flow is prolonged, the larger gaps are arranged at different positions of the ring-shaped elements, so that the water flows along the larger gaps to form a preset track, the two flexible plates, the adjusting parts are enabled to swing in the same direction, the inner diameter of the upper part of the processing area of the adjusting parts in the bending direction is reduced in the swinging process, the capacity of the processing area is reduced, the capacity of the processing area in the opposite bending direction is increased, the capacity of the processing area is adjusted accordingly, the partition processing is realized, one or two or more than two matching parts can be arranged on the flexible plate, and when the number of the matching parts is two, the two matching parts are dislocated in the same direction in the dislocation process of the flexible plate.
In the artificial wetland treatment process, the plurality of treatment units are matched to form a whole, so that the treatment is carried out in a subarea, and the artificial wetland treatment in a larger area is realized.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A large-area constructed wetland treatment system comprising: a plurality of processing units; it is characterized in that the preparation method is characterized in that,
the artificial wetland is divided into a plurality of subareas, a plurality of treatment units are arranged in any subarea array, and the treatment units are inserted into the mud at the bottom of the artificial wetland;
the processing unit comprises a plurality of annular pieces which are concentrically sleeved, wherein the annular pieces are respectively marked as a first annular piece, a second annular piece and a third annular piece … … Nth annular piece along the tangential direction, N is more than or equal to 3, any annular piece comprises a plurality of flexible plates which are arranged at intervals, and a plurality of through holes are arranged at intervals on the flexible plates;
a processing area is formed by a gap between two adjacent annular parts, the processing area between the first annular part and the second annular part is marked as a first area, the processing area between the second annular part and the third annular part is marked as a second area … …, and the like;
a water inlet part is arranged on one side of the wafer area, water is injected into the wafer area through the water inlet part, and the water sequentially flows through the plurality of treatment units;
two flexible plates at corresponding positions of two adjacent annular parts in any processing unit are matched and connected to form a regulating part, and the capacity of a corresponding processing area can be regulated by the regulating part.
2. The large area constructed wetland treatment system of claim 1, wherein the ring structure can be a circular or oval structure.
3. The large-area artificial wetland treatment system of claim 1, wherein the two flexible plates corresponding to the adjusting member are connected in a matching way through a matching member, and the two flexible plates swing in the same direction during water injection.
4. The large-area constructed wetland treatment system according to claim 1, wherein the flow rate of the water in the treatment area on one side is adjusted during the swinging process of the adjusting member, and the flow rate of the water in the treatment area on the other side is correspondingly changed.
5. The large area artificial wetland treatment system of claim 1, wherein the mating members are of a telescopic structure.
6. The large area constructed wetland treatment system of claim 5, wherein the flexible plate is a plastic plate or a polymeric material plate.
7. The large area artificial wetland treatment system of claim 5, wherein the gap between adjacent flexible plates in the same ring-shaped element can be adjusted.
8. A large-area artificial wetland treatment method is characterized by comprising the following steps:
injecting water into any one zone of the artificial wetland through the water inlet piece, and realizing the circulation of water by matching a plurality of zones;
the water flows through a plurality of treatment units in the plate area in sequence, the size of a gap opening between adjacent flexible plates is adjusted, and the treatment units lead the water into the treatment area to form circulation;
the through holes in the flexible plate can guide water and quickly take away surface runoff water;
and digesting the sludge at the bottom of the treatment area to ensure that the microbial content of the sludge at the bottom layer reaches a preset index.
9. The large-area artificial wetland treatment method of claim 8, wherein the sizes of the flexible plates on the same annular member can be the same or different.
10. The large-area constructed wetland treatment method of claim 8, wherein the sizes of the flexible plates on different annular members can be the same or different.
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