CN114775765B - Novel sponge urban rainwater processing system - Google Patents
Novel sponge urban rainwater processing system Download PDFInfo
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- CN114775765B CN114775765B CN202210582695.3A CN202210582695A CN114775765B CN 114775765 B CN114775765 B CN 114775765B CN 202210582695 A CN202210582695 A CN 202210582695A CN 114775765 B CN114775765 B CN 114775765B
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- 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
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
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- 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
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- 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
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- 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
- E03F5/041—Accessories therefor
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- 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
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
- E03F5/101—Dedicated additional structures, interposed or parallel to the sewer system
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- 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
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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
- E03F5/26—Installations for stirring-up sewage
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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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Abstract
The invention discloses a novel sponge urban rainwater treatment system, which comprises a ground layer, a seepage well, a water storage cavity and a multiplexing cavity; the infiltration well is embedded in the ground layer and is connected with a rough filtration component in a sliding way; the wellhead assembly comprises a fixed plate embedded in the wellhead of the seepage well, a lifting plate is detachably connected in the fixed plate, the bottom end of the lifting plate is fixedly connected with a supporting assembly, and the supporting assembly is fixedly arranged in the seepage well; the water storage cavity is arranged below the ground layer, the bottom end of the water seepage well is communicated with the water storage cavity through the coarse filtration assembly, and the side wall of the water seepage well is communicated with the water storage cavity through a plurality of circumferentially arranged one-way valves; the water storage cavity is provided with an emergency drain pipe; the multiplexing cavity is communicated with the water storage cavity through a multiplexing pipe. The invention has different permeability according to different precipitation, has small penetration when the precipitation is small, and can intercept partial precipitation, so that the precipitation irrigates cities. The cleaning effect is better; when the precipitation is large, the infiltration capacity is increased, so that a large amount of water accumulation on the urban ground is prevented, and the loss caused by waterlogging is reduced.
Description
Technical Field
The invention relates to the technical field of sponge cities, in particular to a novel sponge city rainwater treatment system.
Background
Sponge city is a new generation city rain and flood management concept and can also be called as 'water elasticity city'. The international general term is 'low influence development rainwater system construction', and the rainwater system is used for absorbing water, storing water, permeating water and purifying water in raining, and releasing and utilizing the stored water when needed to realize free migration of rainwater in cities. The sponge city is built, the natural ecological function and the manual intervention function are comprehensively developed, the rainwater runoff is effectively controlled, the urban development modes of natural accumulation, natural permeation and natural purification are realized, the urban water ecology and the water conservation resource are restored, the urban waterlogging prevention capability is enhanced, the effective investment of public products is enlarged, the novel urban quality is improved, and the harmonious development of people and nature is promoted.
However, the existing sponge urban system cannot change the permeability when the precipitation amount is different, the permeability is insufficient when the precipitation amount is large, urban waterlogging is easy to cause, and the precipitation amount is small, so that the irrigation of the city is insufficient due to the too fast permeability, and the design of the sponge urban rainwater treatment system capable of collecting and treating rainwater according to different precipitation amounts is significant for the construction of sponge cities.
Disclosure of Invention
The invention aims to provide a novel sponge urban rainwater treatment system for solving the problems in the prior art.
In order to achieve the above object, the present invention provides the following solutions: the invention provides a novel sponge urban rainwater treatment system, which comprises:
a ground layer;
the seepage well is embedded in the ground layer; the infiltration well is slidably connected with a rough filtration assembly; the inlet of the seepage well is provided with a wellhead assembly; the wellhead assembly comprises a fixed plate embedded in the wellhead of the seepage well, a lifting plate is detachably connected in the fixed plate, a supporting assembly is fixedly connected to the bottom end of the lifting plate, and the supporting assembly is fixedly installed in the seepage well;
the water storage cavity is arranged below the ground layer, and the ground layer and the seepage well are respectively communicated with the water storage cavity; the bottom end of the seepage well is communicated with the water storage cavity through the rough filtering component, and the side wall of the seepage well is communicated with the water storage cavity through a plurality of circumferentially arranged check valves; the water storage cavity is provided with an emergency drain pipe;
the multiplexing cavity is communicated with the water storage cavity through a multiplexing pipe, the multiplexing cavity comprises a first water supply cavity and a second water supply cavity which are separated by a filter plate, and the multiplexing pipe is communicated with the first water supply cavity.
Preferably, the ground layer comprises a surface layer, a gravel layer and a supporting layer which are sequentially arranged from top to bottom; the support layer is internally and longitudinally embedded with a plurality of communicating pipes, the top ends of the communicating pipes are communicated with the gravel layer, and the bottom ends of the communicating pipes are communicated with the water storage cavity.
Preferably, a non-woven fabric layer is arranged between the gravel layer and the supporting layer; and the communicating pipe is filled with filler.
Preferably, the rough filtration assembly comprises a mounting frame fixedly connected to the bottom of the percolating well, the top end of the mounting frame is rotationally connected with a positioning screw, and a filter basket is connected to the positioning screw in a threaded manner; the outer side wall of the filter basket is in sliding contact with the inner wall of the seepage well.
Preferably, the distance between the one-way valve and the bottom end of the seepage well is not higher than the height of the filter basket; the one-way valve comprises a one-way hole formed in the side wall of the seepage well, one end of the one-way hole, far away from the seepage well, is fixedly connected with a plurality of one-way brackets, the tail ends of the one-way brackets are fixedly connected with one-way underframe together, one end of the one-way underframe, facing the one-way hole, is fixedly connected with a valve plate through a telescopic rod, and the valve plate is detachably connected with the one-way hole; the telescopic rod is sleeved and fixedly connected with a one-way spring, and two ends of the one-way spring are fixedly connected with the one-way underframe and the valve plate respectively.
Preferably, a step is arranged in the unidirectional hole, and the end face of the valve plate, which faces the unidirectional hole, is abutted against the step; and a sealing ring is fixedly connected with the end surface of the step, which is abutted with the valve plate.
Preferably, a first mounting groove is formed in the top end of the seepage well, and a second mounting groove is formed in the bottom end of the first mounting groove; the fixed plate is fixedly arranged in the first mounting groove; the support component is fixedly arranged in the second mounting groove; the top end of the positioning screw rod is inserted into the bottom end of the supporting component.
Preferably, the end face of the fixing plate is provided with a plurality of water seepage holes in a penetrating mode, and the water seepage holes are communicated with the inner cavity of the water seepage well; the end face of the fixed plate is also provided with a plurality of water inlet holes in a penetrating mode, and the lifting plate is detachably connected with the water inlet holes.
Preferably, the supporting component comprises a supporting frame fixedly installed in the second installation groove, and the positioning screw is inserted into the bottom end of the supporting frame; the top of the support frame is fixedly provided with a push rod, and the top in the push rod is fixedly connected with the bottom of the lifting plate.
Preferably, a filter frame is arranged at the connection position of the water storage cavity and the multiplexing pipe, the multiplexing pipe is communicated with the inner cavity of the filter frame, and the end surface of the filter frame is concavely arranged inwards; the inner cavity of the filter frame is also communicated with a purging pipe.
The invention discloses the following technical effects: the invention discloses a novel sponge urban rainwater treatment system, wherein a water seepage well is embedded in a ground layer, when the precipitation amount is low, the precipitation enters a water storage cavity after penetrating into the ground layer, or the precipitation enters the water storage cavity after penetrating into the water seepage well from a fixed plate at the wellhead of the water seepage well and being filtered by a coarse filtration component, and the precipitation in the water storage cavity enters into a multiplexing cavity again; the precipitation in the first water supply cavity of the multiplexing cavity enters the second water supply cavity after being filtered by the filter plate, the water in the first water supply cavity is cleaner but has insufficient cleanliness, the precipitation can be used as cooling and circulating water in industrial production, the cleanliness of the water in the second water supply cavity is further improved after being filtered again, the precipitation can be used as domestic water supply for residents, and the water can be used for washing vehicles, flushing toilets and the like of city residents; when the precipitation is large, after the precipitation exceeds the circulation of the ground layer and the fixed plate, the ground can have deeper ponding, at the moment, the lifting plate is separated from the fixed plate, the circulation of the fixed plate is greatly increased, the water level in the seepage well is raised, the position higher than the one-way valve is arranged, the pressure of water opens the one-way valve to the water storage cavity, the water flow of the seepage well to the water storage cavity is increased, and when the water flow in the water storage cavity exceeds the standard, the emergency drain pipe can drain the water in the water storage cavity to nearby ditches, river channels and other water areas, so that a large amount of ponding on the ground in urban areas is prevented. The invention has different permeability according to different precipitation, has small permeation when the precipitation is small, can intercept partial precipitation, and ensures that the precipitation has better irrigation and cleaning effects on cities; when the precipitation is large, the infiltration capacity is increased, so that a large amount of water accumulation on the urban ground is prevented, and the loss caused by waterlogging is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a novel sponge urban rainwater treatment system;
FIG. 2 is an axial view of a wellhead assembly of the present invention;
FIG. 3 is a front view of the wellhead assembly of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 1A;
FIG. 5 is a schematic view of the structure of the check valve of the present invention;
FIG. 6 is an enlarged view of a portion of B in FIG. 5;
FIG. 7 is a schematic structural diagram of an anti-blocking mechanism according to a second embodiment of the present invention;
FIG. 8 is a schematic diagram of an oscillating assembly according to the present invention;
wherein, 1, the ground layer; 2. a percolating water well; 3. a fixing plate; 4. a lifting plate; 5. a water storage chamber; 6. a one-way valve; 7. an emergency drain pipe; 8. a multiplexing cavity; 9. multiplexing pipes; 10. a filter plate; 11. a first water supply chamber; 12. a second water supply chamber; 13. a surface layer; 14. a gravel layer; 15. a gravel layer; 16. a support layer; 17. a communicating pipe; 18. a non-woven fabric layer; 19. a filler; 20. a mounting frame; 21. positioning a screw; 22. a filter basket; 23. a one-way hole; 24. a unidirectional bracket; 25. a unidirectional chassis; 26. a telescopic rod; 27. a valve plate; 28. a one-way spring; 29. a step; 30. a seal ring; 31. a first mounting groove; 32. a second mounting groove; 33. water seepage holes; 34. a water inlet hole; 35. a support frame; 36. a push rod; 37. a filter frame; 38. a purge tube; 39. a driving rotating wheel; 40. a driven rotating wheel; 41. a first fixed shaft; 42. a first rotation shaft; 43. a blade; 44. a second fixed shaft; 45. a second rotation shaft; 46. an outer ring; 47. spokes; 48. a transmission rod; 49. a cam; 50. a fixing ring; 51. oscillating the rod; 52. a branch; 53. an end plate; 54. oscillating the spring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Example 1
Referring to fig. 1-6, the present embodiment provides a novel sponge urban rainwater treatment system, comprising:
a ground layer 1;
the seepage well 2 is embedded in the ground layer 1; the infiltration well 2 is connected with a rough filtration component in a sliding way; the inlet of the seepage well 2 is provided with a wellhead assembly; the wellhead assembly comprises a fixed plate 3 embedded at the wellhead of the seepage well 2, a lifting plate 4 is detachably connected in the fixed plate 3, a supporting assembly is fixedly connected at the bottom end of the lifting plate 4, and the supporting assembly is fixedly arranged in the seepage well 2;
the water storage cavity 5 is arranged below the ground layer 1, and the ground layer 1 and the seepage well 2 are respectively communicated with the water storage cavity 5; the bottom end of the seepage well 2 is communicated with the water storage cavity 5 through a rough filtration assembly, and the side wall of the seepage well 2 is communicated with the water storage cavity 5 through a plurality of circumferentially arranged one-way valves 6; the water storage cavity 5 is provided with an emergency drain pipe 7;
the multiplexing cavity 8, multiplexing cavity 8 communicates with water storage cavity 5 through multiplexing pipe 9, multiplexing cavity 8 includes first water supply chamber 11 and second water supply chamber 12 that are separated by filter 10, multiplexing pipe 9 communicates with first water supply chamber 11.
According to the novel sponge urban rainwater treatment system disclosed by the embodiment, the water seepage well 2 is embedded in the ground layer 1, when the precipitation quantity is low, the precipitation enters the water storage cavity 5 after penetrating into the ground layer 1, or the precipitation enters the water storage cavity 5 after penetrating into the water seepage well 2 from the fixed plate 3 at the wellhead of the water seepage well 2 and being filtered by the coarse filtration component, and the precipitation in the water storage cavity 5 enters the multiplexing cavity 8 again; the precipitation in the first water supply cavity 11 of the multiplexing cavity 8 enters the second water supply cavity 12 after being filtered by the filter plate 10, the water in the first water supply cavity 11 is cleaner but has insufficient cleanliness, the precipitation can be used as cooling and circulating water in industrial production, the cleanliness of the water in the second water supply cavity 12 is further improved after being filtered again, the precipitation can be used as domestic water supply for residents, and the water can be used for washing vehicles, toilets and the like of city residents; when the precipitation is large, after the water flows out of the ground layer 1 and the fixed plate 3, the ground can have deeper accumulated water, at the moment, the lifting plate 4 is separated from the fixed plate 3, the flow of the fixed plate 3 is greatly increased, the water level in the water seepage well 2 is raised, the position of the check valve 6 is higher, the water pressure opens the check valve 6 to the water storage cavity 5, the water flow of the water seepage well 2 to the water storage cavity 5 is increased, and when the water flow in the water storage cavity 5 exceeds the standard, the emergency drain pipe 7 can drain the water in the water storage cavity 5 to nearby ditches, river channels and other water areas, so that the ground in the urban area is prevented from accumulating water in a large amount.
Further optimizing scheme, the ground layer 1 comprises a surface layer 13, a gravel layer 14, a gravel layer 15 and a supporting layer 16 which are sequentially arranged from top to bottom; a plurality of communicating pipes 17 are longitudinally embedded and fixedly connected in the supporting layer 16, the top ends of the communicating pipes 17 are communicated with the gravel layer 15, and the bottom ends of the communicating pipes 17 are communicated with the water storage cavity 5. The surface layer 13 is arranged on the uppermost layer and mainly comprises a pavement, a green land and other positions, and precipitation falls onto the surface layer 13 directly; the gravel layer 14 and the gravel layer 15 below the surface layer 13 are of particle structures, the particles are gradually reduced, and the precipitation is filtered layer by layer, so that the impurity content of the precipitation entering the water storage cavity 5 is low; the supporting layer 16 has no water permeability, and the water on the upper layer is mainly led into the water storage cavity 5 by virtue of the communicating pipe 17; the supporting layer 16 has the main function of isolating the water storage cavity 5 from the upper layer, so that the upper layer has better stability and is not easy to collapse.
Further optimizing scheme, a non-woven fabric layer 18 is arranged between the gravel layer 15 and the supporting layer 16; the communication pipe 17 is filled with a packing 19. The nonwoven fabric has water permeability, is a known material for filtering precipitation again after the gravel layer 15; meanwhile, the non-woven fabric layer 18 and the filler 19 in the communicating pipe 17 can also prevent the communicating pipe 17 from being blocked due to the fact that impurities on the upper layer enter the communicating pipe 17, and the filler 19 is mixed powder of fine sand and active carbon and can further filter precipitation.
In a further optimized scheme, the rough filtration assembly comprises a mounting frame 20 fixedly connected to the bottom of the seepage well 2, the top end of the mounting frame 20 is rotatably connected with a positioning screw rod 21, and a filter basket 22 is connected to the positioning screw rod 21 in a threaded manner; the outer side wall of the filter basket 22 is in sliding contact with the inner wall of the percolating well 2. The mounting frame 20 is used for supporting the positioning screw 21 and does not interfere with the water flowing into the water storage cavity 5 in the filter basket 22; when the positioning screw rod 21 rotates, the filter basket 22 is lifted along the positioning screw rod 21, so that the impurities intercepted in the filter basket 22 are conveniently taken out, and the permeability of the filter basket 22 is ensured; the outer wall of the filter basket 22 is in sliding contact with the wall of the percolating water well 2, so that impurities adhered to the wall of the percolating water well 2 can be scraped out together, and the percolating water well 2 is kept clean.
Further, a limiting structure is arranged between the outer wall of the filter basket 22 and the wall of the percolating water well 2, so that the filter basket 22 can only lift along the wall of the percolating water well 2 and cannot rotate, and the filter basket 22 is prevented from being taken out difficultly due to the rotation of the positioning screw 21.
Furthermore, a backwater elbow can be arranged at the joint of the bottom of the infiltration well 2 and the water storage cavity 5, the principle of which refers to the floor drain of a residential building, and the peculiar smell after the water in the water storage cavity 5 is long is prevented from rising; the setting of return water curved is prior art, and the person of skill in the art can carry out the suitability modification to return water curved according to actual conditions, reaches the purpose that prevents the peculiar smell.
Further optimizing scheme, the distance between the check valve 6 and the bottom end of the seepage well 2 is not higher than the height of the filter basket 22; the one-way valve 6 comprises a one-way hole 23 arranged on the side wall of the seepage well 2, one end of the one-way hole 23 far away from the seepage well 2 is fixedly connected with a plurality of one-way brackets 24, the tail ends of the one-way brackets 24 are fixedly connected with a one-way underframe 25 together, one end of the one-way underframe 25 facing the one-way hole 23 is fixedly connected with a valve plate 27 through a telescopic rod 26, and the valve plate 27 is detachably connected with the one-way hole 23; the telescopic rod 26 is sleeved and fixedly connected with a one-way spring 28, and two ends of the one-way spring 28 are fixedly connected with the one-way underframe 25 and the valve plate 27 respectively. The side wall of the filter basket 22 can also shield the one-way valve 6 when the bottom end of the seepage well 2 is positioned, so that water flowing out of the one-way valve 6 is filtered; when the external precipitation is large and the water level in the water seepage well 2 is high, the water pressure in the water seepage well 2 presses the valve plate 27, the valve plate 27 is forced to move towards the unidirectional underframe 25, the unidirectional spring 28 and the telescopic rod 26 are compressed until the valve plate 27 is separated from the unidirectional hole 23, and the water in the water seepage well 2 flows from the unidirectional hole 23 to the water storage cavity 5; when the water level in the seepage well 2 is reduced to a certain degree, the water pressure is reduced, the one-way spring 28 rebounds to press the valve plate 27 back into the one-way hole 23, and the one-way hole 23 is closed; the one-way valve 6 can regulate the speed of precipitation flowing into the water storage cavity 5 according to the water level in the water seepage well 2, prevent the precipitation backflow in the water storage cavity 5, and adapt to different precipitation conditions.
In a further optimization scheme, a step 29 is arranged in the one-way hole 23, and the end face of the valve plate 27, which faces the one-way hole 23, is abutted against the step 29; a seal ring 30 is fixedly connected to the end surface of the step 29 abutting against the valve plate 27. The valve plate 27 is abutted to the step 29, and cannot move towards the seepage well 2 any more, so that the valve plate 27 is prevented from falling off; the sealing ring 30 increases the tightness between the one-way hole 23 and the valve plate 27.
In a further optimization scheme, a first mounting groove 31 is formed in the top end of the seepage well 2, and a second mounting groove 32 is formed in the bottom end of the first mounting groove 31; the fixed plate 3 is fixedly installed in the first installation groove 31; the support assembly is fixedly mounted in the second mounting groove 32; the top end of the positioning screw rod 21 is inserted into the bottom end of the supporting component. The diameter of the first mounting groove 31 is larger than that of the second mounting groove 32, so that the mounting of the fixing plate 3 and the supporting component is facilitated, and the fixing plate 3 cannot protrude out of the ground; the bottom of the supporting component is spliced with the positioning screw rod 21, so that the positioning screw rod 21 is supported up and down, and the supporting component is more stable and is not easy to bend.
In a further optimization scheme, a plurality of water seepage holes 33 are formed in the end face of the fixed plate 3 in a penetrating mode, and the water seepage holes 33 are communicated with the inner cavity of the water seepage well 2; the end face of the fixed plate 3 is also provided with a plurality of water inlet holes 34 in a penetrating way, and the lifting plate 4 is detachably connected with the water inlet holes 34. The aperture of the water seepage hole 33 is smaller, and when the rainfall is small, the water seepage hole 33 is used as a channel for rainfall to flow into the water seepage well 2; the water inlet hole 34 is larger, when the precipitation amount is large, the lifting plate 4 is separated from the water inlet hole 34, so that the water inlet hole 34 can also be used as a channel for precipitation to enter the water seepage well 2, the water inlet amount is greatly increased, and water accumulation on the ground is prevented.
In a further optimized scheme, the supporting component comprises a supporting frame 35 fixedly arranged in the second mounting groove 32, and the positioning screw 21 is inserted into the bottom end of the supporting frame 35; the top of the supporting frame 35 is fixedly provided with a push rod 36, and the top in the push rod 36 is fixedly connected with the bottom of the lifting plate 4. When the rainfall is large, the push rod 36 is controlled to retract, the lifting plate 4 is driven to be lowered, the lifting plate is separated from the water inlet 34, and the water flow of the fixed plate 3 is increased.
In a further optimization scheme, a filter frame 37 is arranged at the connection position of the water storage cavity 5 and the multiplexing pipe 9, the multiplexing pipe 9 is communicated with the inner cavity of the filter frame 37, and the end face of the filter frame 37 is concavely arranged inwards; the inner cavity of the filter frame 37 is also communicated with a purge pipe 38. The filtering frame 37 can filter the water entering the multiplexing pipe 9 again, so as to prevent the blockage caused by the agglomeration of impurities and various microorganisms in the water storage cavity 5 entering the multiplexing pipe 9; the end surface of the filter frame 37 is arranged in a concave shape, so that the contact area with water is increased, and the filtering speed is increased; the purge pipe 38 can blow compressed air or high pressure water to purge impurities blocking the filter frame 37.
The using method comprises the following steps:
the filter basket 22 is lowered to the lowermost part of the percolating well 2 along the set screw 21, and then the supporting assembly, the elevation plate 4 and the fixing plate 3 are sequentially installed.
When the precipitation amount is small, rainwater directly permeates into the ground layer 1 and is adsorbed by the ground layer 1 so as to enable greening plants to grow; when the rainfall is increased, the unit rainfall is larger than the permeability of the ground layer 1, runoff is formed on the ground, rainwater flows into the seepage well 2 along the seepage holes 33, and flows into the water storage cavity 5 after being filtered by the filter basket 22; when precipitation is increased again, the precipitation amount in unit time is larger than the treatment capacity of the ground layer 1 and the water seepage holes 33, water accumulation is formed on the ground, at the moment, the push rod 36 is controlled to move the lifting plate 4 downwards so that the water seepage holes 34 are communicated, and the water accumulation flows into the water seepage well 2 from the water seepage holes 33 and the water seepage holes 34 together, so that the depth of the water accumulation is reduced; when the water level in the infiltration well 2 rises, the water pressure presses the valve plate 27 to the unidirectional underframe 25 to enable the unidirectional holes 23 to be communicated, rainwater in the infiltration well 2 flows from the unidirectional holes 23 to the water storage cavity 5 after being filtered by the filter basket 22, and when the water level is reduced, the unidirectional spring 28 pushes the valve plate 27 back into the unidirectional holes 23 to seal the unidirectional holes 23, so that rainwater in the water storage cavity 5 is prevented from flowing backwards.
The rainwater in the water storage cavity 5 enters the multiplexing cavity 8 after being filtered by the filter frame 37, so that part of low-requirement water in the city is supplied; when the water level in the water storage cavity 5 is too high, the emergency drain pipe 7 rapidly drains water in the water storage cavity 5 to nearby ditches, watercourses and other water areas, so that the water storage cavity 5 is prevented from losing energy, and meanwhile, the water storage cavity 5 can be cleaned once by rapid drainage.
The invention has different permeability according to different precipitation, has small permeation when the precipitation is small, can intercept partial precipitation, and ensures that the precipitation has better irrigation and cleaning effects on cities; when the precipitation is large, the infiltration capacity is increased, so that a large amount of water accumulation on the urban ground is prevented, and the loss caused by waterlogging is reduced.
Example two
According to fig. 7-8, the difference between this embodiment and the first embodiment is that an anti-blocking mechanism is disposed in the multiplexing pipe 9, so as to reduce the blocking probability of the multiplexing pipe 9.
The anti-blocking mechanism comprises a driving rotating wheel 39, a driven rotating wheel 40 and an oscillating device, wherein the driving rotating wheel 39 and the driven rotating wheel 40 are both in rotary connection with the inner wall of the multiplexing pipe 9, the driving rotating wheel 39 is in transmission connection with the driven rotating wheel 40, and the driven rotating wheel 40 is in transmission connection with the oscillating assembly; the water flow entering the multiplexing pipe 9 drives the driving rotating wheel 39 to rotate, and the driving rotating wheel 39 drives the driven rotating wheel 40 to rotate, so that the oscillating assembly is driven to oscillate back and forth, and impurity deposition is prevented, and the multiplexing pipe 9 is prevented from being blocked.
The driving rotating wheel 39 comprises a first fixed shaft 41, two ends of the first fixed shaft 41 are respectively fixed on the pipe wall of the multiplexing pipe 9, a first rotating shaft 42 is connected to the outer side of the first fixed shaft 41 in a rotating way, and a plurality of blades 43 are fixed on the outer side of the first rotating shaft 42 at equal intervals; the two ends of the first fixed shaft 41 are fixed on the pipe wall of the multiplexing pipe 9 to play a role in fixation, the periphery of the first rotating shaft 42 is fixed with a plurality of blades 43, the edges of the blades 43 are tangent to the inner wall of the multiplexing pipe 9, and when rainwater passes through the multiplexing pipe 9, the rainwater impacts the blades 43 to enable the blades 43 to rotate around the first fixed shaft 41;
the driven rotating wheel 40 comprises a second fixed shaft 44, two ends of the second fixed shaft 44 are fixed on the pipe wall of the multiplexing pipe 9, a second rotating shaft 45 is connected to the outer side of the second fixed shaft 44 in a rotating way, an outer ring 46 is sleeved outside the second rotating shaft 45, and a plurality of spokes 47 are fixed on the outer circumference of the second rotating shaft 45 at equal intervals and connected with the outer ring 46; a transmission rod 48 is hinged between any blade 43 and any spoke 47; a cam 49 is fixedly connected to the upper part of the second rotating shaft 45, and the cam 49 is in transmission connection with the oscillating assembly; when the blade 43 rotates around the first fixed shaft 41, the blade 43 drives the spoke 47 hinged with the blade 43 to rotate around the second fixed shaft 44 through the transmission rod 48; when the spoke 47 rotates, the second rotating shaft 45 rotates along with the spoke 47 and drives the cam 49 to rotate, and the outer ring 46 is used for reinforcing the spoke 47 and preventing the spoke 47 from vibrating.
The oscillating assembly comprises a fixed ring 50 fixedly connected with the multiplexing pipe 9, and the fixed ring 50 is sleeved outside the cam 49; the outer wall of the cam 49 is abutted against one end of an oscillating rod 51, the other end of the oscillating rod 51 penetrates through the side wall of the fixed ring 50 and is in sliding connection with the fixed ring 50, the oscillating rod 51 extends along the multiplexing pipe 9, and a plurality of branch rods 52 are fixedly connected around the oscillating rod; an end plate 53 is fixedly connected to one end of the oscillating rod 51, which faces the cam 49, and the end plate 53 is abutted against the cam 49; the oscillating rod 51 is sleeved with an oscillating spring 54, and two ends of the oscillating spring 54 are fixedly connected with the end plate 53 and the fixing ring 50 respectively. When the cam 49 is driven to rotate by the second rotating shaft 45, the oscillating rod 51 is pushed to move back and forth, and the oscillating rod 51 and the branch rod 52 are stirred in the multiplexing pipe 9, so that blockage is prevented.
The anti-blocking capability of the multiplexing pipe 9 is greatly improved, the maintenance frequency of the multiplexing pipe 9 is reduced, the maintenance cost is reduced, and the service life of the multiplexing pipe 9 is prolonged.
In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
The foregoing embodiments are merely illustrative of the preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, but various modifications and improvements made by those skilled in the art to which the present invention pertains are made without departing from the spirit of the present invention, and all changes and modifications and improvements fall within the scope of the present invention as defined in the appended claims.
Claims (6)
1. Novel sponge urban rainwater processing system, characterized by, include:
a ground layer (1);
the seepage well (2) is embedded in the ground layer (1); the infiltration well (2) is connected with a rough filtration component in a sliding way; the inlet of the seepage well (2) is provided with a wellhead assembly; the wellhead assembly comprises a fixed plate (3) embedded at the wellhead of the seepage well (2), a lifting plate (4) is detachably connected in the fixed plate (3), a supporting assembly is fixedly connected at the bottom end of the lifting plate (4), and the supporting assembly is fixedly arranged in the seepage well (2);
the water storage cavity (5), the water storage cavity (5) is arranged under the ground layer (1), and the ground layer (1) and the infiltration well (2) are respectively communicated with the water storage cavity (5); the bottom end of the seepage well (2) is communicated with the water storage cavity (5) through the rough filtering component, and the side wall of the seepage well (2) is communicated with the water storage cavity (5) through a plurality of circumferentially arranged one-way valves (6); the water storage cavity (5) is provided with an emergency drain pipe (7);
the multiplexing cavity (8), the multiplexing cavity (8) is communicated with the water storage cavity (5) through a multiplexing pipe (9), the multiplexing cavity (8) comprises a first water supply cavity (11) and a second water supply cavity (12) which are separated by a filter plate (10), and the multiplexing pipe (9) is communicated with the first water supply cavity (11);
the rough filtration assembly comprises a mounting frame (20) fixedly connected to the bottom of the seepage well (2), a positioning screw (21) is rotatably connected to the top end of the mounting frame (20), and a filter basket (22) is connected to the positioning screw (21) in a threaded manner; the outer side wall of the filter basket (22) is in sliding contact with the inner wall of the percolating well (2);
a first mounting groove (31) is formed in the top end of the seepage well (2), and a second mounting groove (32) is formed in the bottom end of the first mounting groove (31); the fixing plate (3) is fixedly arranged in the first mounting groove (31); the support assembly is fixedly mounted in the second mounting groove (32); the top end of the positioning screw rod (21) is inserted into the bottom end of the supporting component;
the end face of the fixed plate (3) is provided with a plurality of water seepage holes (33) in a penetrating mode, and the water seepage holes (33) are communicated with the inner cavity of the water seepage well (2); the end face of the fixed plate (3) is also provided with a plurality of water inlet holes (34) in a penetrating way, and the lifting plate (4) is detachably connected with the water inlet holes (34);
the support assembly comprises a support frame (35) fixedly arranged in the second mounting groove (32), and the positioning screw rod (21) is inserted into the bottom end of the support frame (35); the top of the supporting frame (35) is fixedly provided with a push rod (36), and the top in the push rod (36) is fixedly connected with the bottom of the lifting plate (4).
2. The novel sponge urban rainwater treatment system as claimed in claim 1, wherein: the ground layer (1) comprises a surface layer (13), a gravel layer (14), a gravel layer (15) and a supporting layer (16) which are sequentially arranged from top to bottom; a plurality of communicating pipes (17) are longitudinally embedded in the supporting layer (16), the top ends of the communicating pipes (17) are communicated with the gravel layer (15), and the bottom ends of the communicating pipes (17) are communicated with the water storage cavity (5).
3. The novel sponge urban rainwater treatment system as claimed in claim 2, wherein: a non-woven fabric layer (18) is arranged between the gravel layer (15) and the supporting layer (16); the communicating pipe (17) is internally filled with a filler (19).
4. The novel sponge urban rainwater treatment system as claimed in claim 1, wherein: the distance between the one-way valve (6) and the bottom end of the seepage well (2) is not higher than the height of the filter basket (22); the one-way valve (6) comprises a one-way hole (23) formed in the side wall of the water seepage well (2), one end, far away from the water seepage well (2), of the one-way hole (23) is fixedly connected with a plurality of one-way supports (24), the tail ends of the one-way supports (24) are fixedly connected with a one-way underframe (25) together, one end, facing the one-way hole (23), of the one-way underframe (25) is fixedly connected with a valve plate (27) through a telescopic rod (26), and the valve plate (27) is detachably connected with the one-way hole (23); the telescopic rod (26) is sleeved and fixedly connected with a one-way spring (28), and two ends of the one-way spring (28) are fixedly connected with the one-way underframe (25) and the valve plate (27) respectively.
5. The novel sponge urban rainwater treatment system as claimed in claim 4, wherein: a step (29) is arranged in the unidirectional hole (23), and the end face of the valve plate (27) facing the unidirectional hole (23) is abutted against the step (29); the end surface of the step (29) which is abutted against the valve plate (27) is fixedly connected with a sealing ring (30).
6. The novel sponge urban rainwater treatment system as claimed in claim 1, wherein: a filter frame (37) is arranged at the connection position of the water storage cavity (5) and the multiplexing pipe (9), the multiplexing pipe (9) is communicated with the inner cavity of the filter frame (37), and the end surface of the filter frame (37) is concavely arranged inwards; the inner cavity of the filter frame (37) is also communicated with a purging pipe (38).
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