CN114411873A - Water balance system for wetland ecological area and construction method - Google Patents
Water balance system for wetland ecological area and construction method Download PDFInfo
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- CN114411873A CN114411873A CN202111603379.1A CN202111603379A CN114411873A CN 114411873 A CN114411873 A CN 114411873A CN 202111603379 A CN202111603379 A CN 202111603379A CN 114411873 A CN114411873 A CN 114411873A
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- 229910000831 Steel Inorganic materials 0.000 claims description 8
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/02—Methods or installations for obtaining or collecting drinking water or tap water from rain-water
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/40—Growth substrates; Culture media; Apparatus or methods therefor characterised by their structure
- A01G24/44—Growth substrates; Culture media; Apparatus or methods therefor characterised by their structure in block, mat or sheet form
- A01G24/46—Growth substrates; Culture media; Apparatus or methods therefor characterised by their structure in block, mat or sheet form multi-layered
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/38—Foundations for large tanks, e.g. oil tanks
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/06—Methods or installations for obtaining or collecting drinking water or tap water from underground
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/20—Siphon pipes or inverted siphons
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H7/00—Construction or assembling of bulk storage containers employing civil engineering techniques in situ or off the site
- E04H7/02—Containers for fluids or gases; Supports therefor
- E04H7/18—Containers for fluids or gases; Supports therefor mainly of concrete, e.g. reinforced concrete, or other stone-like material
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
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- Hydrology & Water Resources (AREA)
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Abstract
The utility model relates to a hydraulic engineering's field, especially, relate to a wetland ecological zone water balance system and construction method, it includes the ring water groove, the cistern, the retaining module, water source base tank and surrounding soil horizon, the ring water groove is seted up in soil horizon surface, and the ring water groove encircles outside the water source base tank, ring water groove top and water source base tank top intercommunication, the cistern top is less than ring water tank bottom, be provided with the siphon subassembly between ring water groove and the cistern, and be used for carrying the water in the ring water groove to the cistern, the retaining module that is used for absorbing soil horizon groundwater is buried underground in the soil horizon, the retaining module is provided with a plurality ofly, a plurality of retaining modules encircle in soil horizon periphery, it is provided with the back flow to communicate between retaining module and the cistern, be provided with the pump body on the back flow. When this application wetland humidity increases, soil horizon ground water and groundwater are absorbed respectively to ring basin and retaining module to realize hydrologic cycle regulation water balance, reduce wetland water loss, improved the water balance state in wetland ecological zone.
Description
Technical Field
The application relates to the field of hydraulic engineering, in particular to a water balance system of a wetland ecological area and a construction method.
Background
Wetlands are the land transitioning between terrestrial and aquatic ecosystems, often at or near the surface of the earth, or covered by shallow water.
The wetland water level is one of the key factors influencing the ecological restoration of the wetland. As the river utilization intensity of human beings is increased, the water consumption is increased, the water level is reduced, the water in the wetland is lost to the surrounding soil, the drainage or damage degree of the river wetland is more and more serious, the wetland area is sharply reduced, and the ecological service function is gradually lost.
In view of the above-mentioned related technologies, the inventors consider that the water balance state of the wetland ecological area is weak, and a water loss phenomenon exists.
Disclosure of Invention
In order to improve the water balance state of the wetland ecological area, the application provides a wetland ecological area water balance system and a construction method.
In a first aspect, the application provides a wetland ecosystem water balance system, which adopts the following technical scheme:
the utility model provides a wetland ecological zone water balance system, including the ring water groove, the cistern, the retaining module, water source basal trough and soil horizon around, the ring water groove is seted up in soil horizon surface, and the ring water groove encircles outside the water source basal trough, ring water groove top and water source basal trough top intercommunication, the cistern top is less than ring water trough bottom, be provided with the siphon subassembly between ring water groove and the cistern, the siphon subassembly is arranged in carrying the water in the ring water groove to the cistern, the retaining module for absorbing soil horizon groundwater is buried underground in the soil horizon in situ, the retaining module is provided with a plurality ofly, a plurality of retaining modules encircle in soil horizon periphery, the intercommunication is provided with the back flow between retaining module and the cistern, be provided with the pump body on the back flow.
By adopting the technical scheme, when the rainfall is large, the water level in the water source base groove rises, water flows into the annular water groove from the top of the water source base groove, the siphon assembly conveys the water in the annular water groove into the reservoir, and redundant water is stored in the reservoir; in addition, the humidity of the soil layer is increased due to rainfall, the water storage module absorbs underground water in the soil layer, the pump body is started, the pump body absorbs the water of the water storage module to enable the water to flow into the water storage tank along the return pipe, the humidity of the soil layer is properly reduced, the humidity difference between the wetland and the surrounding environment is integrally weakened by adjusting the directions of the ground water and the underground water of the soil layer, the moisture loss of the wetland to the surrounding environment is reduced, the water storage module is located at the periphery of the soil layer, in the process that the moisture is lost from the wetland to the surrounding environment, the water lost is absorbed and recycled to the water storage tank by the water storage module, the consumption state of the moisture of the wetland is weakened, when the moisture loss of the wetland is large, the moisture in the water storage tank waters the wetland, the water circulation is realized, the water balance of the ecological area of the wetland is maintained in an auxiliary mode, and the purpose of improving the water balance state of the ecological area of the wetland is achieved.
Preferably, the siphon subassembly includes siphon, on-off valve and controller, and siphon one end stretches into the ring tank bottom, and installs level sensor, and the siphon other end stretches into in the cistern, and the on-off valve is connected on the siphon for the controller of control on-off valve switching is connected on the siphon, and level sensor, controller and on-off valve electricity in proper order are connected.
By adopting the technical scheme, when water in the water source foundation tank flows into the circular water tank continuously, the water level in the circular water tank rises continuously, the water level sensor senses that the water level rises to the designated height, the water level sensor transmits a signal to the controller, the controller controls the opening and closing valve to open, due to the siphon principle, the siphon pipe conveys the water in the circular water tank into the reservoir, when the water level sensor senses that the water level in the circular water tank falls to the designated height, the water level sensor transmits the signal to the controller, the controller controls the opening and closing valve to close, the siphon pipe forms a liquid seal, the purpose of conveying and storing redundant ground water in the wetland is realized without a power device, the humidity difference between the wetland and the surrounding land is reduced, the moisture loss of the wetland is reduced, and the water balance state of the wetland ecological area is improved.
Preferably, the water storage module comprises an ecological porous fiber block, a reinforcement cage and a water collection tank, the reinforcement cage is covered outside the ecological porous fiber block, the water collection tank is fixedly connected to the bottom of the reinforcement cage, and the return pipe is communicated with the bottom of the water collection tank.
By adopting the technical scheme, in the process of adjusting the water in the soil layer by the water storage module, the ecological porous fiber block absorbs the water in the soil layer, the water flows into the water collecting tank under the action of self gravity, then flows into the water storage tank along the backflow pipe under the action of the pump body, the underground water balance is adjusted, and the water balance state of the wetland ecological area is improved; the ecological porous fiber block adopts basalt, dolomite and the like as main materials, has the advantages of large porosity, small volume weight, high water absorption, high bearing capacity and the like, and the reinforcement cage further improves the bearing capacity of the ecological porous fiber block and weakens the deformation degree of the ecological porous fiber block due to the extrusion of a soil layer.
Preferably, the holding tank has been seted up at ecological porous fibre piece middle part, and the holding tank is vertical to be seted up and run through ecological porous fibre piece, and the fixed cotton that absorbs water that is provided with on the inner wall of holding tank is connected with crowded water mechanism on the steel reinforcement cage, and crowded water mechanism is arranged in the cotton moisture that absorbs water of extrusion.
Through adopting above-mentioned technical scheme, ecological porous fiber piece absorbs behind the moisture in the soil, and the face that absorbs water further absorbs the moisture in the ecological porous fiber piece, and crowded water mechanism will absorb water the moisture in the cotton and extrude afterwards for during water flows to the water catch bowl, accelerate the cotton that absorbs water to become dry, improve the effect that the retaining module absorbed soil layer moisture.
Preferably, crowded water mechanism includes drive assembly, connecting rod and compression roller, and drive assembly connects on the steel reinforcement cage, and is used for driving the connecting rod and removes along the vertical direction of holding tank, and the compression roller rotates to be connected on the connecting rod, and is arranged in the cotton moisture that absorbs water of extrusion.
Through adopting above-mentioned technical scheme, crowded water mechanism extrusion absorbs water the in-process of cotton moisture, and drive assembly drive connecting rod and compression roller move along the vertical direction of holding tank, and the compression roller with absorb water cotton rolling contact and the extrusion moisture that absorbs water in the face for the moisture in the cotton that absorbs water of discharging, compression roller and the cotton rolling contact that absorbs water have weakened the cotton degree of friction that absorbs water.
Preferably, drive assembly includes positive and negative motor, lead screw and adaptation piece, and positive and negative motor rigid coupling is on the steel reinforcement cage, and the lead screw is parallel with the holding tank orientation of seting up, and the lead screw links to each other with the output shaft of positive and negative motor is fixed, and the adaptation piece cover is located on the lead screw and is used with the lead screw cooperation, and the connecting rod links to each other with the adaptation piece is fixed.
Through adopting above-mentioned technical scheme, in the drive assembly use, start positive reverse motor and drive lead screw corotation and reversal, the adaptation piece that uses with the lead screw cooperation descends and rises along the lead screw to drive connecting rod and compression roller and reciprocate and extrude the cotton that absorbs water, the moisture in the cotton that absorbs water of discharge.
Preferably, the reinforcing bar cage periphery is provided with the filtration module, and the filtration module includes filter screen cage and geotechnological cloth, and outside the reinforcing bar cage was located to the filter screen cage cover, the filter screen cage intussuseption was filled with the rubble, and geotechnological cloth is laid and is close to reinforcing bar cage department in the filter screen cage inboard.
Through adopting above-mentioned technical scheme, when ecological porous fiber piece absorbed the moisture in the soil, water in the soil horizon flows through filter screen cage, rubble and geotechnological cloth in proper order, and filter screen cage filters debris in to the soil horizon, and the rubble further filters afterwards, and geotechnological cloth filters large granule material such as gravel, reduces the probability that impurity blockked up ecological porous fiber piece.
Preferably, a concrete pile is arranged below the reinforcement cage and used for supporting the reinforcement cage.
Through adopting above-mentioned technical scheme, the concrete pile supports the steel reinforcement cage, has weakened the degree that the retaining module subsides downwards, has improved the steadiness of retaining module.
Preferably, the cistern includes pool wall and top cap, and the pool wall top is less than the bottom of annular water groove, and pool wall top has been seted up to the top cap lid on the top cap top, and the water guide hole runs through the top cap, and siphon and back flow all set up with the top cap intercommunication.
Through adopting above-mentioned technical scheme, when rainfall is great, the rivers on soil layer surface flow to top cap department, and the rivers flow through the water guide hole afterwards and store in flowing to the cistern, and the top cap lid is located the top of pool wall and can effectively block debris and get into in the cistern, promotes the cleanliness factor of water, is convenient for follow-up to water reuse.
In a second aspect, the application provides a construction method of a wetland ecological zone water balance system, which adopts the following technical scheme:
a construction method of a wetland ecological zone water balance system comprises the following steps:
s1, excavating an annular water tank, forming a groove at the edge of the water source foundation groove to form a foundation pit, and then sequentially paving a lime soil layer and a mud layer on the bottom and two sides of the foundation pit to form the annular water tank;
s2, building a reservoir, excavating after paying off and fixing points, then pouring concrete, coating cement to form a reservoir wall, covering a top cover on the top of the reservoir wall, and enabling the top of the reservoir to be lower than the bottom of the circular water tank;
s3, installing a siphon component, wherein one end of a siphon pipe provided with a water level sensor extends into the bottom of the circular water tank, and the other end of the siphon pipe extends into the reservoir;
s4, embedding concrete piles, carrying out line fixed-point excavation at the periphery of the soil layer, and embedding the concrete piles at the specified positions;
s5, installing a water storage module, placing the water storage module on the concrete pile, adjusting the position of the water storage module to enable the concrete pile to be stably supported, and extending one end of a return pipe, which is far away from the water storage module, into the water storage tank;
s6, installing a filtering module, covering the filtering module outside the water storage module, and adjusting the position;
and S7, burying and backfilling soil, and backfilling the soil from top to bottom in sequence to maintain the soil structure of the soil layer.
By adopting the technical scheme, a circular water tank is excavated and built at the edge of a water source foundation tank, a reservoir is then excavated and built, a siphon component is then installed, concrete piles are embedded after the periphery of a soil layer is subjected to paying-off and fixed-point excavation, then a water storage module and a filtering module are sequentially placed, one end, far away from the water storage module, of a backflow pipe extends into the reservoir, finally, backfill is filled and the structure of a wetland soil layer is maintained, when the moisture of the wetland is large after rainfall, the water in the water source foundation tank flows to the circular water tank, and the siphon component conveys the water in the circular water tank into the reservoir; meanwhile, the underground humidity of the soil layer is high, the water storage module absorbs the water in the soil layer, the water flows into the water storage module through the filtering module, then the water flows into the backflow pipe and flows into the reservoir, the two directions of the ground water and the underground water of the soil layer are adjusted, the water loss of the wetland to the surrounding environment is integrally reduced, the consumption state of the moisture of the wetland is weakened, when the moisture loss of the wetland is high, the moisture in the reservoir waters the wetland, the water circulation is realized, and the water balance state of the wetland ecological area is improved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the rainfall is large, the humidity of the wetland is increased, the annular water tank and the water storage module respectively absorb the ground water and the underground water of the soil layer, the water loss of the wetland to the surrounding environment is reduced, and the water balance state of the wetland ecological area is improved;
2. by arranging the siphon assembly, the aim of conveying and storing the redundant ground water of the wetland is fulfilled without a power device, the humidity difference between the wetland and the surrounding land is reduced, and the moisture loss of the wetland is reduced;
3. through setting up the retaining module, absorb the unnecessary moisture in soil horizon, carry moisture to the cistern for subsequent use, adjust underground water balance, improve the water balance state in wetland ecological zone.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present application;
fig. 2 is a partial view highlighting the water reservoir;
FIG. 3 is a partial exploded view highlighting the water storage module;
fig. 4 is a partial exploded view highlighting the wringing mechanism.
Description of reference numerals: 1. a water source base tank; 11. a through groove; 2. a soil layer; 21. a vegetable layer; 22. a straw layer; 23. a particulate layer; 24. planting a layer; 25. a filter layer; 26. a drainage aquifer; 27. a crushed stone layer; 28. a primary soil layer; 3. an annular water tank; 31. a siphon assembly; 311. a siphon tube; 312. opening and closing a valve; 4. a reservoir; 41. a tank wall; 42. a top cover; 421. a water guide hole; 5. a water storage module; 51. ecological porous fiber blocks; 511. accommodating grooves; 512. absorbent cotton; 52. a reinforcement cage; 521. a convex plate; 522. a protection box; 53. a water collection tank; 531. a return pipe; 532. a pump body; 6. a water squeezing mechanism; 61. a drive assembly; 611. a positive and negative rotation motor; 612. a lead screw; 613. an adaptation block; 62. a connecting rod; 63. a compression roller; 7. a filtration module; 71. a filter screen cage; 72. geotextile; 8. and (5) concrete piles.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses a wetland ecological zone water balance system. Referring to fig. 1 and 2, a water balance system for wetland ecological zones comprises a circular water tank 3, a water storage tank 4, a water storage module 5, a water source base tank 1 and a surrounding soil layer 2, wherein the circular water tank 3 surrounds the periphery of the water source base tank 1 and is communicated with the top of the water source base tank 1, the top of the water storage tank 4 is lower than the bottom of the circular water tank 3, a siphon assembly 31 is arranged between the circular water tank 3 and the water storage tank 4, the water storage module 5 is buried in the soil layer 2, a return pipe 531 is communicated between the water storage module 5 and the water storage tank 4, a pump body 532 is arranged on the return pipe 531, when the moisture of the wetland is increased, excess water in the water source base tank 1 overflows into the circular water tank 3, the siphon assembly 31 conveys the water in the circular water tank 3 to the water storage tank 4, the underground moisture of the soil layer 2 is increased, the water storage module 5 absorbs the underground water, then the underground water is pumped into the return pipe 531 by the pump body 532 and flows into the water storage tank 4, the water is recovered from the ground water and the underground water of the soil layer 2, the water loss of the wetland to the surrounding soil is weakened, the wetland is irrigated by the water in the reservoir 4, the water circulation is realized, the water balance of the wetland is maintained, and the water balance state of the wetland ecological area is improved.
Referring to fig. 1, the soil layer 2 sequentially includes, from top to bottom, a vegetation layer 21, a straw layer 22, a granular layer 23, a planting layer 24, a filter layer 25, a drainage and storage layer 26, a crushed stone layer 27 and an original soil layer 28. The straw layer 22 and the particle layer 23 can ensure good water and air permeability, which is beneficial to the growth of plants, and the filter layer 25 absorbs peculiar smell and impurities in water. Ring water groove 3 sets up around water source foundation trench 1, and the straw layer 22 at 1 top in water source foundation trench has been seted up and has been led to groove 11, and the inner wall that leads to groove 11 is formed by concrete placement, leads to groove 11 both ends respectively with water source foundation trench 1 and ring water groove 3 intercommunication, leads to groove 11 and has seted up a plurality ofly, and a plurality of logical grooves 11 center on 1 even interval distribution in water source foundation trench. When the rainfall is large, the water in the water source base tank 1 flows into the through tank 11 and flows to the water circulation tank 3.
Referring to fig. 1 and 2, the surface that cistern 4 is less than soil horizon 2, cistern 4 includes pool wall 41 and top cap 42, and pool wall 41 top is less than the bottom of annular water groove 3, and pool wall 41 top is located to top cap 42 lid, and top cap 42 is the dome shape, and water guide hole 421 has been seted up in top cap 42's edge, and water guide hole 421 runs through top cap 42, and water guide hole 421 is provided with a plurality ofly, and a plurality of water guide holes 421 surround the even interval distribution of the axis of top cap 42. When raining, rainwater flows to the top cover 42, water flows along the top cover 42 and flows into the pool wall 41 from the water guide hole 421, impurities in the water are blocked and filtered by the top cover 42, the impurities are prevented from entering the water storage pool 4, and the cleanliness of the water in the water storage pool 4 is guaranteed.
Referring to fig. 1 and 2, the siphon assembly 31 between the water circulation tank 3 and the water storage tank 4 includes a siphon tube 311, an opening and closing valve 312, and a controller (not shown), wherein one end of the siphon tube 311 extends into the bottom of the water circulation tank 3 and is provided with a water level sensor (not shown), the other end of the siphon tube 311 is communicated with the top cover 42 and extends into the water storage tank 4, the opening and closing valve 312 is connected to the siphon tube 311, the controller for controlling the opening and closing of the opening and closing valve 312 is connected to the siphon tube 311, and the water level sensor, the controller and the opening and closing valve 312 are electrically connected in sequence. In the process of rainfall, the water level in the water-circulating tank 3 continuously rises, when the water level sensor senses that the water level rises to a specified height, the water level sensor transmits a signal to the controller, the controller controls the opening and closing valve 312 to be opened, and due to the siphon principle, water in the water-circulating tank 3 flows into the reservoir 4 through the siphon 311; the water level in the circular water tank 3 is continuously reduced, when the water level in the circular water tank 3 is reduced to a designated height, the water level sensor transmits a signal to the controller, the controller controls the opening and closing valve 312 to be closed, the siphon 311 forms a liquid seal, the purpose of conveying and storing redundant ground water of the wetland is achieved without a power device, the humidity difference between the wetland and the surrounding soil is reduced, the moisture loss of the wetland is reduced, and the water balance state of the wetland ecological area is improved. The siphon assembly 31 may be a suction pipe made of sponge or absorbent cotton 512, and the water in the water circulation tank 3 is delivered to the water reservoir 4.
Referring to fig. 1 and 3, the water storage modules 5 are buried in the water drainage and storage layer 26, a plurality of water storage modules 5 are arranged, the plurality of water storage modules 5 surround the periphery of the soil layer 2, each water storage module 5 comprises an ecological porous fiber block 51, a reinforcement cage 52 and a water collection tank 53, the reinforcement cage 52 covers the ecological porous fiber block 51, and the reinforcement cage 52 enhances the bearing capacity of the ecological porous fiber block 51; the water collecting tank 53 is fixedly connected to the bottom of the reinforcement cage 52. A return pipe 531 is arranged below the water collecting tank 53, the return pipe 531 is communicated with the water collecting tank 53, one end of the return pipe 531, which is far away from the water collecting tank 53, is communicated with the top cover 42 and extends into the reservoir 4, and a pump body 532 is communicated with the return pipe 531. Every steel reinforcement cage 52 bottom edge equal rigid coupling has flange 521, and concrete pile 8 has all been buried underground to flange 521 below, and concrete pile 8 is provided with four and distributes in flange 521's edge, and concrete pile 8 top all with flange 521 butt, 8 bottoms of concrete pile and rubble layer 27 contacts, and the concrete improves the holding power to water storage module 5, weakens the degree that water storage module 5 subsides.
Referring to fig. 2 and 3, the periphery of the reinforcement cage 52 is provided with the filter module 7, the filter module 7 comprises a filter net cage 71 and geotextile 72, the filter net cage 71 covers the reinforcement cage 52, crushed stone is filled in the filter net cage 71, and the geotextile 72 is laid on the inner side of the filter net cage 71 close to the reinforcement cage 52.
Moisture in the drainage water layer 26 is absorbed by the ecological porous fiber blocks 51, water flows through the filter net cage 71, the broken stones and the geotextile 72 in sequence, impurities in the soil layer 2 are subjected to coarse filtration by the filter net cage 71, then the broken stones further filter the water, and the geotextile 72 filters large-particle substances such as gravel in the water to reduce impurities flowing into the water in the ecological porous fiber blocks 51. The ecological porous fiber block 51 adopts basalt, dolomite and the like as main materials, and has the advantages of large porosity, small volume weight, high water absorption rate, high bearing capacity and the like, the ecological porous fiber block 51 can effectively absorb the water in the soil layer 2, part of the water flows into the water collecting tank 53 and flows into the return pipe 531 under the action of self gravity, the pump body 532 pumps water to enable the water to flow into the reservoir 4 along the return pipe 531, the wetland water loss to the surrounding environment is reduced, the consumption state of the wetland water is weakened, when the wetland water loss is large, the wetland is irrigated by the water in the reservoir 4, water circulation is realized, the water balance of the wetland ecological zone is maintained in an auxiliary way, and the purpose of improving the water balance state of the wetland ecological zone is achieved.
Referring to fig. 3 and 4, an accommodating groove 511 is formed in the middle of the ecological porous fiber block 51, the accommodating groove 511 is vertically formed and penetrates through the ecological porous fiber block 51, and absorbent cotton 512 is fixedly arranged on the inner wall of the accommodating groove 511. The reinforcing cage 52 is connected with a wringing mechanism 6, the wringing mechanism 6 comprises a driving component 61, a connecting rod 62 and a press roller 63, the driving component 61 is connected to the reinforcing cage 52 and is used for driving the connecting rod 62 to move along the vertical direction of the accommodating groove 511, the driving component 61 can be an air cylinder, a hydraulic cylinder and the like, the driving component 61 of the embodiment comprises a forward and reverse motor 611, a screw 612 and an adapting block 613, the top of the reinforcing cage 52 is fixedly connected with a protection box 522 opposite to the accommodating groove 511, the forward and reverse motor 611 is arranged in the protection box 522 and is fixedly connected with the protection box 522, an output shaft of the forward and reverse motor 611 vertically downwards extends out of the protection box 522, the screw 612 is parallel to the opening direction of the accommodating groove 511, the screw 612 is fixedly connected with the output shaft of the forward and reverse motor 611, the adapting block 613 is sleeved on the screw 612 and is matched with the screw 612 for use, the connecting rod 62 is fixedly connected with the adapting block 613 and is perpendicular to the inner wall of the accommodating groove 511, the pressing roller 63 is rotatably connected to one end of the connecting rod 62 far away from the adapting block 613, and the pressing roller 63 abuts against and presses the absorbent cotton 512.
After the ecological porous fiber block 51 absorbs the moisture of the soil layer 2, part of the moisture flows to the water collecting tank 53 under the action of self gravity, the water absorbing cotton 512 further absorbs part of the moisture in the ecological porous fiber block 51, the forward and reverse rotating motor 611 is started to drive the screw rod 612 to rotate forward or reversely, so that the adaptation block 613 vertically ascends and descends along the screw rod 612, meanwhile, the pressing roller 63 moves and extrudes the water absorbing cotton 512 in the vertical direction, the moisture in the water absorbing cotton 512 is accelerated to be discharged, the water flows to the water collecting tank 53, the water absorbing cotton 512 is accelerated to dry, and the effect of the water storage module 5 for absorbing the moisture in the soil layer 2 is improved.
The implementation principle of the wetland ecological zone water balance system in the embodiment of the application is as follows: when the rainfall is large, the water level in the water source base tank 1 rises and flows into the circular water tank 3, and the siphon assembly 31 conveys the water in the circular water tank 3 into the reservoir 4; in addition, the water storage module 5 absorbs underground water in the soil layer 2, the pump body 532 is started, the pump body 532 absorbs the water of the water storage module 5 to enable the water to flow into the water storage tank 4 along the return pipe 531, the humidity of the soil layer 2 is properly reduced, the humidity difference between the wetland and the surrounding environment is weakened integrally by adjusting the directions of ground water and underground water of the soil layer 2, the water loss of the wetland to the surrounding environment is reduced, the water storage module 5 is positioned at the periphery of the soil layer 2, in the process that the water is lost from the wetland to the surrounding environment, the water storage module 5 absorbs the lost water and recovers the water to the water storage tank 4, the consumption state of the water of the wetland is weakened, when the water loss of the wetland is large, the water in the water storage tank 4 irrigates the wetland, water circulation is realized, the water balance of the ecological area of the wetland is maintained in an auxiliary mode, and the purpose of improving the water balance state of the ecological area of the wetland is achieved.
The embodiment of the application also discloses a construction method of the wetland ecological zone water balance system, which comprises the following steps:
s1, excavating a circular water tank 3:
forming a foundation pit by slotting the edge of the water source foundation pit 1, paving a lime soil layer on the bottom and two sides of the foundation pit and compacting the lime soil layer, after the foundation pit is shaped, covering a layer of slurry on the lime soil layer and troweling the lime soil layer to form an annular water tank 3, making a waterproof measure, excavating a through groove 11 in the top of the water source foundation pit 1, and communicating the through groove 11 with the water source foundation pit 1 and the annular water tank 3;
s2, building a water storage tank 4:
excavating after paying off and fixing a point, then pouring concrete, coating cement to form a pool wall 41 after the concrete is formed, covering a top cover 42 on the top of the pool wall 41 after the cement is solidified, and enabling the top of the water storage pool 4 to be lower than the bottom of the circular water tank 3;
s3, installing siphon assembly 31:
one end of a siphon 311 provided with a water level sensor extends into the bottom of the circular water tank 3, and the other end of the siphon 311 extends into the reservoir 4, and the siphon 311 is fixed;
s4, embedding the concrete pile 8:
paying off and excavating at fixed points on the periphery of the soil layer 2, burying a concrete pile 8 at a specified position, and compacting the soil around the concrete pile 8 after adjusting;
s5, installing a water storage module 5:
placing a water storage module 5 on the concrete pile 8, adjusting the position of the water storage module 5 to stably support the concrete pile 8, and enabling one end of a return pipe 531, which is far away from the water storage module 5, to penetrate through a top cover 42 and extend into the reservoir 4;
s6, installing the filtering module 7:
a filtering module 7 is covered outside the water storage module 5 to adjust the position;
s7, burying and backfilling soil:
backfilling and compacting from top to bottom in sequence to maintain the soil structure of the soil layer 2.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The wetland ecological area water balance system is characterized by comprising a circular water tank (3), a water storage tank (4), a water storage module (5), a water source base tank (1) and a surrounding soil layer (2), wherein the circular water tank (3) is arranged on the surface of the soil layer (2), the circular water tank (3) surrounds the water source base tank (1), the top of the circular water tank (3) is communicated with the top of the water source base tank (1), the top of the water storage tank (4) is lower than the bottom of the circular water tank (3), a siphon assembly (31) is arranged between the circular water tank (3) and the water storage tank (4), the siphon assembly (31) is used for conveying water in the circular water tank (3) to the water storage tank (4), the water storage module (5) used for absorbing groundwater of the soil layer (2) is buried in the soil layer (2), the water storage modules (5) are arranged in a plurality, the plurality of water storage modules (5) surround the soil layer (2), a return pipe (531) is communicated between the water storage module (5) and the water storage tank (4), and a pump body (532) is arranged on the return pipe (531).
2. The wetland ecosystem water balance system according to claim 1, wherein the siphon assembly (31) comprises a siphon tube (311), a switch valve (312) and a controller, one end of the siphon tube (311) extends into the bottom of the circular water tank (3) and is provided with a water level sensor, the other end of the siphon tube (311) extends into the reservoir (4), the switch valve (312) is connected to the siphon tube (311), the controller for controlling the switch valve (312) to open and close is connected to the siphon tube (311), and the water level sensor, the controller and the switch valve (312) are electrically connected in sequence.
3. The wetland ecosystem water balance system according to claim 1, wherein the water storage module (5) comprises an ecological porous fiber block (51), a reinforcement cage (52) and a water collection tank (53), the reinforcement cage (52) covers the ecological porous fiber block (51), the water collection tank (53) is fixedly connected to the bottom of the reinforcement cage (52), and the return pipe (531) is communicated with the bottom of the water collection tank (53).
4. The wetland ecosystem water balance system according to claim 3, wherein an accommodating groove (511) is formed in the middle of the ecological porous fiber block (51), the accommodating groove (511) is vertically formed and penetrates through the ecological porous fiber block (51), absorbent cotton (512) is fixedly arranged on the inner wall of the accommodating groove (511), a water squeezing mechanism (6) is connected to the reinforcement cage (52), and the water squeezing mechanism (6) is used for squeezing water in the absorbent cotton (512).
5. The wetland ecosystem water balance system according to claim 4, wherein the wringing mechanism (6) comprises a driving assembly (61), a connecting rod (62) and a pressing roller (63), the driving assembly (61) is connected to the reinforcement cage (52) and is used for driving the connecting rod (62) to move along the vertical direction of the accommodating groove (511), and the pressing roller (63) is rotatably connected to the connecting rod (62) and is used for squeezing water in the absorbent cotton (512).
6. The wetland ecosystem water balance system according to claim 5, wherein the drive assembly (61) comprises a forward and reverse rotation motor (611), a lead screw (612) and an adaptation block (613), the forward and reverse rotation motor (611) is fixedly connected to the reinforcement cage (52), the lead screw (612) is parallel to the direction of the accommodating groove (511), the lead screw (612) is fixedly connected with an output shaft of the forward and reverse rotation motor (611), the adaptation block (613) is sleeved on the lead screw (612) and is used in cooperation with the lead screw (612), and the connecting rod (62) is fixedly connected with the adaptation block (613).
7. The wetland ecosystem water balance system according to claim 3, wherein the periphery of the steel reinforcement cage (52) is provided with the filter module (7), the filter module (7) comprises a filter net cage (71) and geotextile (72), the filter net cage (71) is covered outside the steel reinforcement cage (52), the filter net cage (71) is filled with gravel, and the geotextile (72) is laid on the inner side of the filter net cage (71) close to the steel reinforcement cage (52).
8. The wetland ecosystem water balance system according to claim 3, wherein concrete piles (8) are arranged below the reinforcement cages (52), and the concrete piles (8) are used for supporting the reinforcement cages (52).
9. The wetland ecosystem water balance system according to claim 2, wherein the water reservoir (4) comprises a pool wall (41) and a top cover (42), the top of the pool wall (41) is lower than the bottom of the circular water tank (3), the top cover (42) is covered on the top of the pool wall (41), the top cover (42) is provided with a water guide hole (421), the water guide hole (421) penetrates through the top cover (42), and the siphon pipe (311) and the return pipe (531) are both communicated with the top cover (42).
10. A construction method of a wetland ecosystem water balance system, which is characterized in that the wetland ecosystem water balance system according to any one of claims 1 to 9 comprises the following steps:
s1, excavating an annular water tank (3), grooving the edge of the water source foundation trench (1) to form a foundation pit, and then sequentially paving a lime soil layer and a mud layer on the bottom and two sides of the foundation pit to form the annular water tank (3);
s2, building a reservoir (4), excavating after paying off and fixing points, then pouring concrete, coating cement to form a reservoir wall (41), covering a top cover (42) on the top of the reservoir wall (41), and enabling the top of the reservoir (4) to be lower than the bottom of the circular water tank (3);
s3, installing a siphon component (31), wherein one end of a siphon (311) provided with a water level sensor extends into the bottom of the circular water tank (3), and the other end of the siphon (311) extends into the reservoir (4);
s4, embedding concrete piles (8), setting out and excavating at fixed points on the periphery of the soil layer (2), and embedding the concrete piles (8) at specified positions;
s5, installing a water storage module (5), placing the water storage module (5) on the concrete pile (8), adjusting the position of the water storage module (5) to enable the concrete pile (8) to be stably supported, and extending one end, far away from the water storage module (5), of a return pipe (531) into the reservoir (4);
s6, installing a filtering module (7), covering the filtering module (7) outside the water storage module (5), and adjusting the position;
and S7, burying and backfilling the soil, and backfilling the soil from top to bottom in sequence to maintain the soil structure of the soil layer (2).
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