CN110318453B - Sponge urban rainwater collection and recycling system - Google Patents
Sponge urban rainwater collection and recycling system Download PDFInfo
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- CN110318453B CN110318453B CN201910559755.8A CN201910559755A CN110318453B CN 110318453 B CN110318453 B CN 110318453B CN 201910559755 A CN201910559755 A CN 201910559755A CN 110318453 B CN110318453 B CN 110318453B
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- 238000004064 recycling Methods 0.000 title claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 193
- 239000004576 sand Substances 0.000 claims abstract description 155
- 239000011449 brick Substances 0.000 claims abstract description 10
- 238000001914 filtration Methods 0.000 claims abstract description 9
- 238000005192 partition Methods 0.000 claims description 82
- 239000004575 stone Substances 0.000 claims description 10
- 239000004816 latex Substances 0.000 claims description 7
- 229920000126 latex Polymers 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 2
- 239000012466 permeate Substances 0.000 abstract description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 131
- 229910052751 metal Inorganic materials 0.000 description 11
- 239000002184 metal Substances 0.000 description 11
- 230000004888 barrier function Effects 0.000 description 7
- 230000002265 prevention Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
- E01C11/224—Surface drainage of streets
- E01C11/225—Paving specially adapted for through-the-surfacing drainage, e.g. perforated, porous; Preformed paving elements comprising, or adapted to form, passageways for carrying off drainage
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/0401—Gullies for use in roads or pavements
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/0401—Gullies for use in roads or pavements
- E03F5/0404—Gullies for use in roads or pavements with a permanent or temporary filtering device; Filtering devices specially adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/06—Gully gratings
-
- 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
-
- 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
- E03F5/105—Accessories, e.g. flow regulators or cleaning devices
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Sewage (AREA)
Abstract
The invention discloses a sponge urban rainwater collecting and recycling system, which comprises a rainwater collecting mechanism, a first water storage mechanism for storing rainwater and a second water storage mechanism for storing rainwater overflowing from the inside of the first water storage mechanism, wherein the rainwater collecting mechanism comprises a water collecting ditch positioned below the ground surface, a sand-based cover plate arranged above the water collecting ditch, a water conveying pipe and sand-based water filtering bricks paved on the ground; the first water storage mechanism comprises a water storage tank positioned below the ground surface, a water purifying device arranged in the water storage tank and an anti-seepage device used for forming the bottom of the water storage tank, one end of the water delivery pipe is communicated with the water collecting ditch, and the other end of the water delivery pipe is communicated with the water storage tank. The water of the invention permeates below the ground surface through the sand-based cover plate and the sand-based water filtering bricks, so that the rainwater can not be accumulated on the ground, and the rainwater can be filtered to keep the rainwater clean after being accumulated together, thereby being convenient for pedestrians and vehicles to go out.
Description
Technical Field
The invention belongs to the technical field of water supply and drainage, and particularly relates to a sponge urban rainwater collection and recycling system.
Background
The sponge city is a city which can be like a sponge, has good elasticity in the aspects of adapting to environmental changes, coping with natural disasters and the like, absorbs water, stores water, seeps water and purifies water when raining, and releases and utilizes the stored water when needed. Sponge city construction should follow ecological priority principle etc. combines together natural way and artificial measures, under the prerequisite of guaranteeing urban drainage waterlogging prevention safety, furthest realizes that rainwater stores up, permeates and purifies in the urban area, promotes the utilization of rainwater resource and ecological environment protection.
But current sponge city is when collecting the rainwater, and it is in the middle of the escape canal that the rainwater is directly collected in the present, then enters into the cistern by the escape canal and collect in the middle of, but it still can cause the rainwater to be gathered outside the earth's surface for a long time owing to performance problems such as ceramic tile, it causes the citizen to go on a journey inconveniently to it is poor to catchment the effect.
Disclosure of Invention
The invention provides a sponge urban rainwater collecting and recycling system with good water collecting effect and water absorbing effect to overcome the defects of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme: a sponge urban rainwater collection and recycling system comprises a rainwater collection mechanism, a first water storage mechanism for storing rainwater and a second water storage mechanism for storing rainwater overflowing from the interior of the first water storage mechanism, wherein the rainwater collection mechanism comprises a water collection ditch positioned below the ground surface, a sand-based cover plate arranged above the water collection ditch, a water delivery pipe and sand-based water filtering bricks paved on the ground; the first water storage mechanism comprises a water storage tank positioned below the ground surface, a water purifying device arranged in the water storage tank and an anti-seepage device used for forming the bottom of the water storage tank, one end of the water delivery pipe is communicated with the water collecting ditch, and the other end of the water delivery pipe is communicated with the water storage tank.
According to the invention, through the sand-based cover plate, when rainwater falls onto the sand-based cover plate, the rainwater can directly permeate into the water collecting channel, and the rainwater cannot gather on the ground surface, so that the road surface can be kept only moist without accumulation, and the influence on vehicles and pedestrians during traveling can be avoided.
Preferably, the water purifying device comprises a plurality of first sand-based partition plates, second sand-based partition plates detachably connected with the first sand-based partition plates, and third sand-based partition plates connected with the first sand-based partition plates, and after the first sand-based partition plates are connected with the second sand-based partition plates, the water storage tank is divided into a first water storage cavity and a second water storage cavity by the first, second and third sand-based partition plates; the water storage tank is divided into a first water storage cavity and a second water storage cavity through the first sand-based partition plate, the second sand-based partition plate and the third sand-based partition plate, so that when rainwater enters the water storage tank, the rainwater firstly enters the first water storage cavity, and part of dirt brought by the rainwater is deposited in the first water storage cavity, so that only water and dirt in the first water storage cavity need to be intensively cleaned in the subsequent cleaning process; the mode of arranging the first sand-based partition plate, the second sand-based partition plate and the third sand-based partition plate is that the water purifying devices are installed one by one when being installed, so that the installation difficulty is reduced; and because the first sand-based partition plate, the second sand-based partition plate and the third sand-based partition plate are arranged, the structure of the water purifying device can be kept stable.
Preferably, a plurality of first water holes are formed in the upper part of the first sand-based partition plate, and a plurality of second water holes are formed in the upper part of the second sand-based partition plate; after the water level that can reach the institute in first water storage intracavity through setting up first water hole and second water hole, the water on first water storage chamber upper portion can be followed first water hole and second water hole are in the middle of with flow in the second water storage intracavity fast to the part floats on the water floater can be blockked in the middle of first water storage chamber, consequently can ensure the water of second water storage intracavity totally and not polluted, thereby can directly be used for watering etc. reusing the water of second water storage intracavity.
Preferably, both sides of the second sand-based partition plate are provided with connecting concave parts, and both sides of the first sand-based partition plate are provided with connecting convex parts which can be inserted into the connecting concave parts; a buckle convex part is embedded into the lower part of the connecting concave part, and a buckle concave part matched with the buckle convex part is arranged on the lower part of the connecting convex part; the connection convex part and the connection concave part are arranged, so that the connection area is large when the first sand-based partition plate and the second sand-based partition plate are connected, and the stability after connection is high; when the connecting convex part is connected with the connecting concave part, and when the connecting convex part is connected with the connecting concave part, the first partition plate and the second partition plate can be kept parallel; and set up buckle convex part and buckle concave part when connecting, when first sand base baffle and second sand base baffle are connected, its buckle convex part card is gone into in the middle of the buckle concave part, its bottom that can be right first sand base baffle and second sand base baffle carries out the chucking, consequently can not take place to rock between first sand base baffle and the second sand base baffle, simultaneously because first sand base baffle and second sand base baffle are through its efficient of installation of this mode, can realize first sand base baffle and second sand base baffle and carry out the high-speed joint.
Preferably, the third sand-based partition plate is detachably connected with the inner wall of the water storage tank through a connecting structure; the detachable connection is carried out through the connecting structure, the mounting speed is high, and the mounting efficiency is high.
Preferably, the connecting structure comprises a fixing piece obliquely arranged on the inner wall of the water collecting tank, a supporting piece connected with the lower end of the fixing piece and a fixing rod arranged on the upper part of the fixing piece, a fixing opening capable of being sleeved on the fixing rod is formed in the side wall of the third sand-based partition plate, and the width of the fixing opening is gradually reduced from bottom to top; the width of the fixing opening is gradually reduced, so that when the third sand-based partition plate is installed, the gap between the fixing rod and the inner wall of the fixing opening is gradually reduced, the fixing rod and the inner wall of the fixing opening are connected to realize clamping, and the effect of fixing the third sand-based partition plate can be quickly realized; and set up the mounting then can be convenient for fix a position the third sand base baffle and because the mounting sets up for the slope, consequently also can be the slope form at the third sand base baffle of installing on the mounting, and then the water in the middle of the first water storage chamber rises slowly, and it can be convenient for the better sediment of dirt in the aquatic to first water storage intracavity to the dirt that falls on first, second and third sand base baffle terminal surface can along the terminal surface landing downwards of sand base baffle, and then the dirt can be concentrated in the bottom in first water storage chamber.
Preferably, the anti-seepage device comprises a first anti-seepage structure, a second anti-seepage structure matched with the first anti-seepage structure to form the bottom of the water storage tank, and a driving structure for driving the first anti-seepage structure to move up and down, wherein the first anti-seepage structure is matched with the supporting piece; through the first and second anti-seepage structures, the first anti-seepage structure can move upwards, when the southern rainy season is met, the first anti-seepage structure moves upwards to enable a gap to be formed between the first anti-seepage structure and the second anti-seepage structure, the water in the second water storage cavity can conveniently flow into the bottom of the water storage tank from the gap, and then part of the water can permeate into the soil foundation, so that the water discharge efficiency can be improved, and the situation that water in the water storage tank reversely pours into the ground surface due to untimely water discharge is avoided.
Preferably, the first seepage-proofing structure comprises a first seepage-proofing sand layer and a frame for supporting the first seepage-proofing sand layer, a plurality of T-shaped fixing columns are arranged on the frame, and the upper parts of the fixing columns are embedded in the first seepage-proofing sand layer; the first anti-seepage sand layer is formed by mixing anti-seepage sand and latex, and the weight component ratio of the anti-seepage sand to the latex is 50-65: 1; can keep the water in the aqua storage tank not outwards to permeate through setting up first prevention of seepage sand layer, and the stability of being connected between first prevention of seepage sand layer and frame can be improved to the fixed column of T shape.
Preferably, the second seepage-proofing structure comprises a frame body, a second seepage-proofing sand layer connected with the frame body and a crushed stone layer used for supporting the lower part of the second seepage-proofing sand layer, and the thickness T of the crushed stone layer is 1.5-2.5 m; a first inclined plane part is arranged on one side of the first anti-seepage sand layer, and a second inclined plane part which is in sealing fit with the first inclined plane part is arranged on the second anti-seepage sand layer; through the arrangement of the gravel layer, when water is drained from the lower part of the water storage tank, sludge or yellow mud in the soil foundation can be filtered, so that the water body in the second water storage cavity of the water body is prevented from being polluted and becoming dirty.
Preferably, the driving structure comprises a screw rod which is obliquely arranged and a driving motor which is used for driving the screw rod to rotate, the lower end of the screw rod is connected with the upper end of the frame so as to drive the first anti-seepage structure to move upwards, and the maximum height of the first anti-seepage structure moving upwards is 40 cm.
In conclusion, the water permeates into the ground surface through the sand-based cover plate and the sand-based water filtering bricks, so that the rainwater can be prevented from being accumulated on the ground, and the rainwater can be filtered to keep the rainwater clean after being accumulated together, so that the convenience is brought to pedestrians and vehicles when going out.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of a first water storage mechanism according to the present invention.
Fig. 3 is a sectional view of a first water storage means of the present invention.
Fig. 4 is an enlarged view of a in fig. 3.
Fig. 5 is a partial exploded view of the first water storage mechanism of the present invention.
Fig. 6 is an enlarged view of B in fig. 5.
Fig. 7 is a first partial schematic structural diagram of the first water storage mechanism according to the present invention.
Fig. 8 is an enlarged view of C in fig. 7.
Fig. 9 is an enlarged view of D in fig. 7.
Fig. 10 is a schematic structural view of a third sand-based spacer of the invention.
Fig. 11 is a partial schematic structural diagram of the first water storage mechanism according to the second embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
As shown in fig. 1-11, a sponge urban rainwater collection and recycling system comprises a rainwater collection mechanism, a first water storage mechanism and a second water storage mechanism, wherein the rainwater collection mechanism is used for collecting rainwater falling onto the ground, then draining the rainwater into the first water storage mechanism, and then after the first water storage mechanism is filled with the rainwater in the first water storage mechanism overflows into the second water storage mechanism for secondary water storage; specifically, the rainwater collection mechanism 1 comprises a water collection ditch 11, a sand-based cover plate 12, a water delivery pipe 13 and sand-based water filtering bricks 14, wherein the water collection ditch 11 is a strip-shaped groove arranged below the ground surface, the water collection ditch 11 is drainage ditches positioned at two sides of a road, an impermeable layer 111 is brushed on the inner wall of the water collection ditch 11, and the impermeable layer 111 is formed by mixing impermeable sand and latex together; the sand-based cover plate 12 is composed of silica sand and a bonding agent, the sand-based cover plate 12 covers the upper part of the water collecting channel 11, a plurality of strip-shaped water inlets 120 are arranged on the sand-based cover plate 12, and the water inlets 120 are through holes with small openings at the upper ends and large openings at the lower ends; the water pipe 13 is a plastic pipe or a metal pipe, one end of the water pipe 13 is connected with the bottom of the water collecting ditch 11, and the other end is connected to the first water storage mechanism 2.
Further, the sand-based water filtration brick 14 is a square brick composed of silica sand and an adhesive, and the sand-based water filtration brick 14 is laid on the ground to form a sidewalk; a waterproof layer 16 is laid on the soil foundation, the waterproof layer 16 is formed by mixing seepage-proofing sand and latex together and then is laid on the gravel, and the thickness of the waterproof layer 16 is 10-15 cm; a permeable concrete layer 17 is laid on the waterproof layer 16, then a permeable leveling layer 18 is arranged on the permeable concrete layer 17, and the sand-based water filtering bricks 14 are laid on the permeable leveling layer 18; meanwhile, a strip-shaped water inlet 110 is formed on a side wall of the water collecting channel 11, and the height of the water inlet 110 is lower than that of the waterproof layer 16, so that water falling on the waterproof layer 16 enters the water collecting channel 11 through the water inlet 110.
Specifically, the first water storage mechanism comprises a water storage tank 21, a water purification device 25 and an anti-seepage device 26, wherein the water storage tank 21 is a square groove formed by pouring anti-seepage concrete; one end of the water pipe 13 extends into the water storage tank 21, so that water in the water pipe 13 can enter the water storage tank 21; the water purifying device is arranged in the water storage tank 21; the water purifying device comprises a plurality of first sand-based partition plates 51 and second sand-based partition plates 52, wherein the first sand-based partition plates 51 and the second sand-based partition plates 52 are formed by pouring after silica sand and adhesives are mixed, the side parts of the first sand-based partition plates 51 and the side walls of the second sand-based partition plates 52 can be connected together, the first sand-based partition plates 51 and the second sand-based partition plates 52 are arranged at intervals to divide the water storage tank 21 into a first water storage cavity 211 and a second water storage cavity 212, water input by the water conveying pipe 13 can be input into the first water storage cavity 211, and then the water in the first water storage cavity 211 can permeate into the second water storage cavity 212 through the first sand-based partition plates and the second sand-based partition plates.
Meanwhile, a plurality of first water holes 511 are formed in the upper part of the first sand-based partition plate 51, a plurality of second water holes 521 are formed in the second sand-based partition plate 52, and the diameters of the first water holes and the second water holes are 1.5-2 CM; connecting convex parts 519 are arranged on two sides of the first sand-based partition plate 51, the connecting convex parts 519 are convex strips integrally formed with the first sand-based partition plate 51, connecting concave parts 529 are arranged on two sides of the second sand-based partition plate 52, and when the first sand-based partition plate 51 is connected with the second sand-based partition plate 52, the connecting convex parts 519 are inserted into the connecting concave parts 529; a snap convex part 523 is embedded in the lower part of the connecting concave part 529, the snap convex part 523 is a copper metal or other metal convex part, and the end surface of the snap convex part 523 is an arc surface; a snap concave part 513 is provided on a side wall of the connecting convex part 519, and the snap concave part 513 is a concave part whose end surface is an arc surface; when the connection protrusion 519 and the connection recess 529 are connected, the snap protrusion 523 snaps into the snap recess 513; meanwhile, through holes are formed in the connecting convex portions 519 and the connecting concave portions 529, and after the connecting convex portions 519 are inserted into the connecting concave portions 529, aluminum metal bolts are inserted through the through holes to reinforce the stability of the first sand-based partition plate 51 and the second sand-based partition plate 52 after being connected.
Further, the water purifying device further comprises a third sand-based partition plate 53 connected with the first sand-based partition plate 51, wherein the third sand-based partition plate 53 is made of the same material and has the same height as the first sand-based partition plate and the second sand-based partition plate; one side of the third sand-based partition plate 53 is provided with a concave part 539, the structure of the concave part 539 is completely the same as that of the connecting concave part 529, and therefore the third sand-based partition plate 53 is connected with the first sand-based partition plate 51 in the same way; the third sand-based partition 53 is detachably connected with the inner wall of the water storage tank 21 through a connecting structure.
Specifically, the connecting structure includes a fixing member 61, a supporting member 62 and a fixing rod 63, wherein the fixing member 61 is a metal rod, the metal rod is obliquely arranged, a movable rail is embedded in the inner wall of the water storage tank 21, the fixing member 63 is provided with a movable protrusion 630 inserted into the movable rail, the fixing rod 63 is arranged on the upper portion of the fixing member 61, the fixing rod 63 is a metal rod, and the diameter of the fixing rod 63 is gradually increased; a fixing port 531 is formed in the side wall of the third sand-based partition 53, the fixing port 531 is a strip-shaped opening with a width gradually decreasing from bottom to top, and when the third sand-based partition 53 is connected with the fixing member 61, the inner wall of the fixing port 531 and the fixing rod 63 are clamped with each other.
The supporting member 62 is a metal cross bar, the lower portion of the fixing member 61 is provided with a bending portion 611, the bending portion 611 is provided with a groove portion 612, the end portion of the supporting member 62 is embedded into the groove portion 612, and after the supporting member 62 is connected with the fixing member 61, the fixing member 61 and the supporting member 62 are connected through bolts; the supporting piece 62 is provided with a convex part 621 with an inclined end face, the lower parts of the first sand-based partition plate, the second sand-based partition plate and the third sand-based partition plate are respectively provided with an embedded groove, and when the first sand-based partition plate, the second sand-based partition plate and the third sand-based partition plate are fixed, the embedded grooves can be sleeved into the convex part to fix the lower parts of the first sand-based partition plate, the second sand-based partition plate and the third sand-based partition plate; meanwhile, the support 62 has an inclined bottom 622, and the bottom 622 is a metal convex.
Further, the anti-seepage device comprises a first anti-seepage structure, a second anti-seepage structure and a driving structure 57, wherein the first barrier structure comprises a first sand barrier 551 and a frame 552, the frame 552 being a metal frame, a plurality of fixing posts 553 are provided on the frame 552, the fixing posts 553 are T-shaped posts welded on the frame 552, the first sand barrier layer 551 is formed by mixing the sand barrier and latex together according to the weight ratio of 50-65:1, and then laying the mixture on the frame 552, after the first sand barrier 551 is placed on the frame 552, the attachment posts 553 are embedded into the first sand barrier 551, so that after the first sand barrier 551 has set dry, the first sand seepage prevention layer 551 is stably connected with a fixing column 552, and a groove body part is arranged on the first sand seepage prevention layer 551, and the bottom 622 is inserted into the groove body part.
Specifically, the second impermeable structure comprises a frame body 562, a second impermeable sand layer 561 and a crushed stone layer 563, the crushed stone layer 563 is a crushed stone laid at the bottom of the water storage tank 21, the thickness T of the crushed stone layer 563 is 1.5-2m, the frame body 562 is a metal frame, the frame body 562 is directly erected on the crushed stone layer 563, and meanwhile, the frame 552 is also erected on the crushed stone layer 563; the second anti-seepage sand layer 561 is made of the same material as the first anti-seepage sand layer 551, and is laid on the frame body 562; one end of the first anti-seepage sand layer 551 is provided with a first inclined plane part 555 which is inclined from bottom to top, one end of the second anti-seepage sand layer 561 is provided with a second inclined plane part 565 which is inclined from bottom to top, and the first inclined plane part 55 is in close contact with the second inclined plane part 565.
Further, the driving structure is used for driving the first anti-seepage structure 55 to move upwards, the driving structure 7 includes a screw 571 and a driving motor 572 which are obliquely arranged, the screw 571 is a metal rod, the lower end of the screw 571 is connected with the frame 552, and the driving motor 572 is a servo motor on the market; a gear is arranged on the ground and is in threaded connection with the screw 571, the gear is driven to rotate by the driving motor 572, so that the screw 571 is driven to move upwards, the first anti-seepage structure 55 and the water purification device are driven to move upwards synchronously, and the distance between the first anti-seepage structure 55 and the second anti-seepage structure 56 can reach 40cm at most.
Specifically, the second water storage structures 3 are a plurality of reservoirs buried under the ground surface, the reservoirs are conventional water tanks, and the same reservoir can be a ditch; the water storage tank 21 is connected to the reservoir through a pipe, so that when the water in the water storage tank 21 reaches a certain level, the water in the water storage tank 21 can overflow into the reservoir through the pipe.
It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Claims (4)
1. The utility model provides a sponge city rainwater is collected and is recycled system, collects the mechanism, is used for storing the first water storage mechanism of rainwater and is used for storing by the second water storage mechanism of the interior overflow rainwater of first water storage mechanism including the rainwater, its characterized in that: the rainwater collecting mechanism comprises a water collecting ditch (11) positioned below the ground surface, a sand-based cover plate (12) arranged above the water collecting ditch (11), a water delivery pipe (13) and sand-based water filtering bricks (14) paved on the ground; the first water storage mechanism (2) comprises a water storage tank (21) positioned below the ground surface, a water purifying device arranged in the water storage tank (21) and an anti-seepage device used for forming the bottom of the water storage tank (21), one end of the water delivery pipe (13) is communicated with the water collection ditch (11), and the other end of the water delivery pipe is communicated with the water storage tank (21); the water purifying device comprises a plurality of first sand-based partition plates (51), second sand-based partition plates (52) detachably connected with the first sand-based partition plates (51) and third sand-based partition plates (53) connected with the first sand-based partition plates (51), and after the first sand-based partition plates (51) are connected with the second sand-based partition plates (52), the water storage tank (21) is divided into a first water storage cavity (211) and a second water storage cavity (212) by the first, second and third sand-based partition plates; the third sand-based partition plate (53) is detachably connected with the inner wall of the water storage tank (21) through a connecting structure; the connecting structure comprises a fixing piece (61) obliquely arranged on the inner wall of the water collecting tank (21), a supporting piece (62) connected with the lower end of the fixing piece (61) and a fixing rod (63) arranged on the upper part of the fixing piece (61), a fixing opening (531) capable of being sleeved on the fixing rod (63) is formed in the side wall of the third sand-based partition plate (53), and the width of the fixing opening (531) is gradually reduced from bottom to top; the anti-seepage device comprises a first anti-seepage structure, a second anti-seepage structure (56) matched with the first anti-seepage structure to form the bottom of the water storage tank (21), and a driving structure (57) for driving the first anti-seepage structure to move up and down, wherein the first anti-seepage structure is matched with the supporting piece (62); the first seepage-proofing structure comprises a first seepage-proofing sand layer (551) and a frame (552) for supporting the first seepage-proofing sand layer (551), a plurality of T-shaped fixing columns (553) are arranged on the frame (552), and the upper parts of the fixing columns (553) are embedded on the first seepage-proofing sand layer (551); the first anti-seepage sand layer (551) is formed by mixing anti-seepage sand and latex, and the weight component ratio of the anti-seepage sand to the latex is 50-65: 1; the second seepage-proofing structure comprises a frame body (562), a second seepage-proofing sand layer (561) connected with the frame body (562) and a crushed stone layer (563) used for supporting the lower part of the second seepage-proofing sand layer (561), and the thickness T of the crushed stone layer (563) is 1.5-2.5 m; one side of the first anti-seepage sand layer (551) is provided with a first inclined plane part (555), and the second anti-seepage sand layer (561) is provided with a second inclined plane part (565) which is matched with the first inclined plane part (555) in a sealing way.
2. The sponge urban rainwater collecting and recycling system according to claim 1, characterized in that: the upper part of the first sand-based partition plate (51) is provided with a plurality of first water holes (511), and the upper part of the second sand-based partition plate (52) is provided with a plurality of second water holes (521).
3. The sponge urban rainwater collecting and recycling system according to claim 2, characterized in that: both sides of the second sand-based partition plate (52) are provided with connecting concave parts (529), and both sides of the first sand-based partition plate (51) are provided with connecting convex parts (519) which can be inserted into the connecting concave parts (529); a snap convex part (523) is embedded in the lower part of the connecting concave part (529), and a snap concave part (513) matched with the snap convex part (523) is arranged on the lower part of the connecting convex part (519).
4. The sponge urban rainwater collection and recycling system according to claim 3, characterized in that: the driving structure (57) comprises a screw rod (571) which is obliquely arranged and a driving motor (572) for driving the screw rod (571) to rotate, the lower end of the screw rod (571) is connected with the upper end of the frame (552) to drive the first anti-seepage structure to move upwards, and the maximum height of the first anti-seepage structure (55) moving upwards is 40 cm.
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| CN201910559755.8A CN110318453B (en) | 2019-06-26 | 2019-06-26 | Sponge urban rainwater collection and recycling system |
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| CN201910559755.8A CN110318453B (en) | 2019-06-26 | 2019-06-26 | Sponge urban rainwater collection and recycling system |
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| CN110318453B true CN110318453B (en) | 2020-07-17 |
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| CN202802875U (en) * | 2012-07-05 | 2013-03-20 | 杨志江 | Combined type mounting filter plate of filter tank |
| CN104294731A (en) * | 2014-10-31 | 2015-01-21 | 北京建筑大学 | Filter material-included permeable cement concrete sand-based brick paving system |
| CN206867795U (en) * | 2017-06-21 | 2018-01-12 | 来宾华锡冶炼有限公司 | A kind of filter plate for filter tank |
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| CN110318453A (en) | 2019-10-11 |
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