CN113250275A - Rainwater treatment system based on sponge city - Google Patents
Rainwater treatment system based on sponge city Download PDFInfo
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- CN113250275A CN113250275A CN202110582458.2A CN202110582458A CN113250275A CN 113250275 A CN113250275 A CN 113250275A CN 202110582458 A CN202110582458 A CN 202110582458A CN 113250275 A CN113250275 A CN 113250275A
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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
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/02—Arrangement of sewer pipe-lines or pipe-line systems
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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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- 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
Abstract
The invention belongs to the technical field of sponge cities, and particularly relates to a rainwater treatment system based on a sponge city. According to the invention, through the distribution of the plurality of water diversion pipelines, the water absorption effect of the green belt is increased under the conditions of heavy rain and urgent rain from part to the whole, and the matching effect between the green belt and the cement ground water collection pipeline is increased, so that the rainwater collection effect is improved, and the greening balance utilization effect of sponge city construction is improved.
Description
Technical Field
The invention relates to the technical field of sponge cities, in particular to a rainwater treatment system based on a sponge city.
Background
The sponge city is a new generation of urban rainfall flood management concept, means that the city can have good elasticity in the aspects of adapting to environmental changes, coping with natural disasters caused by rainwater and the like a sponge, and can be also called as a water elasticity city, and the generation of the sponge city is accompanied with the improvement of industrial technical means and the enhancement of environmental awareness.
The technical means of creating a sponge city at present mainly relies on the collection and reuse of rainwater, wherein the collection of rainwater is to guide the rainwater on a cement road surface to a sewer pipeline for filtering and collecting in a storage cavity on the one hand, and absorb water through the soil of a green zone to maintain the greening balance on the other hand, but with the increase of urban buildings, the green zone usually occupies a small area, and in heavy rain or urgent rain, the flow rate of the rainwater on the surface of the green zone is too fast, so that the water absorption rate and effect of the actual green zone are poor, even lower than the absorption of the rainwater in a normal state, so that the collection effect of the constructed sponge city on the rainwater is poor, and in the case of heavy rain or urgent rain, the sponge city only depends on drainage and collection of underground pipelines excessively, so that the self greening balance utilization effect of the sponge city is poor.
Disclosure of Invention
Based on the technical problem of the background art, the invention provides a rainwater treatment system based on a sponge city.
The invention provides a sponge city-based rainwater treatment system, which comprises a water delivery pipeline, wherein the water delivery pipeline is horizontally buried underground in a green belt, one end of the water delivery pipeline is communicated with a rainwater collecting pipeline, the corresponding positions of the outer walls of the two sides of the water delivery pipeline are respectively communicated with a plurality of horizontally placed water diversion pipelines, one end of each water diversion pipeline, which is far away from the water delivery pipeline, is connected to rainwater treatment equipment, the top of each water diversion pipeline is connected with a plurality of breathing mechanisms, multiple points outside the breathing mechanisms are expanded and contracted along with the change of internal water pressure, the positions in the water delivery pipeline, which correspond to the water diversion pipelines, are provided with spaced water passing mechanisms, water passes through the positions in the water diversion pipelines of the two sides of the water delivery pipeline at intervals, and the bottom of each water diversion pipeline is connected with a plurality of water seepage mechanisms.
Preferably, the fixed orifices has been seted up with the position that respiratory mechanism corresponds to diversion pipeline top outer wall, and respiratory mechanism is provided with the vertical respiratory tube that is fixed in the fixed orifices, the top of respiratory tube is sealed, the bottom of respiratory tube stretches into the below position to diversion pipeline top inner wall, the both sides outer wall interval of respiratory tube is equipped with the spout that pierces through the setting, the inner wall sliding connection of spout has the extrusion piece of globular structure, be connected with the first spring that the level was placed between one side outer wall of extrusion piece and the inner wall of respiratory tube, the outer wall sealing package of respiratory tube has the silica gel cover.
Preferably, a sealing cover is fixed at the top end of the breathing pipe in a sealing mode, a landmark extending upwards is fixed on the outer wall of the top of the sealing cover, and the top of the landmark is flush with the ground of the green belt.
Preferably, the position that silica gel cover circumference outer wall and extrusion piece correspond is seted up and is the curved contact groove of sphere, and the contact groove lies in the same one side of respiratory tube with the extrusion piece that corresponds the position, silica gel cover circumference inner wall corresponds offers the filling groove that the cross-section is the arc structure for the position with the extrusion piece, the filling groove sets up to the arc wall with the same axle center with the respiratory tube, the extrusion piece that filling groove and corresponding position lie in the both sides of respiratory tube respectively, the respiratory tube outer wall is fixed with the lug with the position that the filling groove corresponds.
Preferably, the mounting hole has been seted up with the position that osmotic mechanism corresponds to diversion conduit bottom, and osmotic mechanism is provided with the vertical infiltration section of thick bamboo that is fixed in the mounting hole, the top opening of infiltration section of thick bamboo, the intermediate position of infiltration bobbin base portion inner wall is fixed with the vertical dead lever of placing, the circumference outer wall sliding connection of dead lever has the piston of a plurality of ring structure, all be connected with the second spring between the piston and between the piston that is located the bottom and the bottom inner wall of infiltration section of thick bamboo, the spread groove of arc structure is seted up to the below that infiltration section of thick bamboo circumference inner wall is located the piston, the cross-section of spread groove sets to outside outstanding arc structure, the through-hole that annular array distributes is seted up to the circumference inner wall of spread groove.
Preferably, the position that conduit inner wall is located the leading water pipeline both ends all is fixed with the locating rack, and the intermediate position between two locating racks rotates and is connected with the locating lever, the locating lever is towards one side unidirectional rotation, interval mechanism of leading water is provided with the shutoff piece that is fixed in the locating lever outer wall, the fan-shaped structure that the arc angle is greater than one hundred eighty degrees is set to the cross-section of shutoff piece, the position that corresponds with the shutoff piece in the conduit is retained there is the penetrating circulation chamber in both ends, the lateral wall that the shutoff piece corresponds with the circulation chamber is provided with a plurality of rhombus grooves with rivers contact striking.
Preferably, one side of the outer wall of one end of the plugging piece is provided with a flow groove which is arranged in a penetrating way.
Preferably, the intermediate position of circulation groove is fixed with the seal box, and the both ends of seal box are provided with the apron of sealed setting, and the both sides outer wall of seal box all pierces through and is fixed with a plurality of flexure strips, sets interval distribution between the flexure strip of seal box both sides, has placed a plurality of balls in the seal box.
Preferably, the locating rack is provided with the fixed part that is located conduit central point and puts to and the annular distribution is in fixed part outlying connecting portion, and the intermediate position of connecting portion has been seted up and has been worn the groove, wears to rotate through the bearing between the both ends inner wall in groove and is connected with the dwang, and the outer wall of dwang is fixed with the buffer plate, and the outer wall parcel of buffer plate has elastic material.
The beneficial effects of the invention are as follows:
1. a rainwater treatment system based on a sponge city introduces part of water flow in underground water collecting pipelines of a cement road surface to the underground of a green zone through a water conveying pipeline, water in the water conveying pipeline flows into water guide pipelines at two sides at intervals by utilizing an interval water flowing mechanism, the water flow change of the water guide pipelines enables the internal water pressure interval of an upwardly extending breathing mechanism and a downwardly extending osmosis mechanism to change, the external interval of the breathing mechanism is deformed and contracted at multiple positions by the internal water pressure change of the breathing mechanism, green soil around the breathing mechanism generates similar respiration, the operation effect of downward water absorption of the green soil in the area is improved, the bottom soil permeates part of water during breathing operation by utilizing the osmosis mechanism, the overflow caused by the asymmetry of the air pressure above and below the green soil area is avoided, and the rainwater treatment system is characterized in that the rainwater treatment system comprises the breathing mechanism and the osmosis mechanism which are distributed up and down and the distribution of a plurality of water guide pipelines, the water absorption effect of the green belt is increased from local to whole under the conditions of heavy rain and urgent rain, and the matching effect between the green belt and the cement ground water collecting pipeline is increased, so that the rainwater collection effect is improved, and the greening balance utilization effect of sponge city construction is improved.
2. The utility model provides a rainwater processing system based on sponge city, its respiratory mechanism utilizes the flexible deformation that produces of contact groove cooperation extrusion piece of sphere arc structure, and increase the expansion effect and the scope of contracting again to local soil, in order to improve the operation reinforcing effect of breathing the catchment to local soil, and utilize the interval setting of contact groove and lug, deformation between the adjacent position that makes silica gel cover outer wall is dragged and is increased, and the vertical setting of respiratory tube makes water pressure highly there is the difference at each and makes the flexible scope of not co-altitude extrusion piece have the difference, thereby utilize the deformation difference of different positions further to improve the water collection effect in actual greenbelt, improve the cooperation effect in collector pipe net and greenbelt.
3. The utility model provides a rainwater processing system based on sponge city, on the one hand utilize the flexure strip in the circulation groove and produce undulant and the inertia roll of ball and rotate in order to drive the shutoff piece and guarantee that the interval leads to water, on the other hand through the ball of rolling state and the inboard striking of flexure strip and the striking in outside rivers and the flexure strip outside and cushion each other, avoid the rivers velocity of flow too fast and cause impact damage to equipment, in order to prolong the actual life of equipment, and guarantee the effect of the permanent effective use of sponge city system.
Drawings
FIG. 1 is a schematic view of the overall structure of a sponge city-based rainwater treatment system according to the present invention;
FIG. 2 is a schematic view of an overall cross-sectional structure of a rainwater treatment system based on a sponge city according to the present invention;
FIG. 3 is a schematic view of a three-dimensional structure of a breathing tube of a rainwater treatment system based on a sponge city according to the present invention;
FIG. 4 is a schematic cross-sectional structural view of a breathing tube of a rainwater treatment system based on a sponge city according to the present invention;
FIG. 5 is a schematic structural view of a permeation cylinder of the rainwater treatment system based on the sponge city according to the present invention;
FIG. 6 is a schematic sectional structure view of a permeation cylinder of the rainwater treatment system based on the sponge city according to the present invention;
FIG. 7 is a schematic sectional structural view of a plugging member of a rainwater treatment system based on a sponge city, which is provided by the invention;
fig. 8 is a schematic structural view of a positioning frame of the rainwater treatment system based on the sponge city.
In the figure: the device comprises a water conveying pipeline 1, a 101 circulation cavity, a 2 water diversion pipeline, a 3 breathing pipe, a 301 sealing cover, a 302 landmark, a 4 silica gel sleeve, a 401 contact groove, a 5 osmosis cylinder, a 6 first spring, a 7 extrusion block, an 8 convex block, a 9 connecting groove, a 901 through hole, a 10 fixing rod, an 11 piston, a 12 second spring, a 13 positioning frame, a 1301 buffer plate, a 14 positioning rod, a 15 plugging piece, a 1501 circulation groove, a 16 sealing box, a 1601 storage cavity, a 17 elastic sheet and 18 balls.
Detailed Description
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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being 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.
Example 1
Referring to fig. 1-6, a rainwater treatment system based on a sponge city comprises a water delivery pipeline 1, wherein the water delivery pipeline 1 is horizontally buried underground in a green belt, one end of the water delivery pipeline 1 is communicated with a rainwater collection pipeline, a plurality of horizontally placed water diversion pipelines 2 are communicated with corresponding positions of outer walls of two sides of the water delivery pipeline 1, one end, far away from the water delivery pipeline 1, of each water diversion pipeline 2 is connected to rainwater treatment equipment, the top of each water diversion pipeline 2 is connected with a plurality of breathing mechanisms, multiple points outside the breathing mechanisms expand and contract along with the change of internal water pressure, spaced water passing mechanisms are arranged in the positions, corresponding to the water diversion pipelines 2, in the water delivery pipeline 1, water passes through the positions, corresponding to the two sides of the water delivery pipeline 1 at intervals, and the bottom of the water diversion pipelines 2 is connected with a plurality of water seepage mechanisms;
the sponge city introduces part of water flow in the underground water collecting pipeline of the cement road surface to the ground of the green belt through the water conveying pipeline 1, the water in the water conveying pipeline 1 flows into the water guiding pipelines 2 at two sides at intervals by utilizing the interval water passing mechanism, the water flow change of the water guiding pipelines 2 causes the internal water pressure interval of the upwardly extending breathing mechanism and the downwardly extending osmosis mechanism to change, the external interval of the breathing mechanism generates multi-position deformation and then contracts due to the internal water pressure change of the breathing mechanism, the green soil around the breathing mechanism generates similar respiration, the operation effect of the green soil for absorbing water downwards in the area is increased, the bottom soil permeates part of water during the breathing operation by utilizing the osmosis mechanism, the overflow caused by the asymmetry of the upper and lower air pressure of the green soil area is avoided, the water absorbing effect of the green belt is increased from part to the whole under the conditions of heavy rain and urgent rain by the vertically distributed breathing mechanism and the osmosis mechanism and the distribution of the plurality of the water guiding pipelines 2, the cooperation effect between greenbelt and the cement ground water collecting pipeline is increased, so that the rainwater collecting effect is improved, and the greening balance utilization effect of sponge city construction is improved.
In the invention, a fixing hole is formed in the position, corresponding to a breathing mechanism, of the outer wall of the top of a water diversion pipeline 2, the breathing mechanism is provided with a breathing pipe 3 vertically fixed in the fixing hole, the top end of the breathing pipe 3 is sealed, the bottom end of the breathing pipe 3 extends into the position below the inner wall of the top of the water diversion pipeline 2, sliding grooves which are arranged in a penetrating mode are formed in the outer walls of the two sides of the breathing pipe 3 at intervals, the inner wall of each sliding groove is connected with an extrusion block 7 of a spherical structure in a sliding mode, a horizontally placed first spring 6 is connected between the outer wall of one side of each extrusion block 7 and the inner wall of the breathing pipe 3, a silica gel sleeve 4 is wrapped on the outer wall of the breathing pipe 3 in a sealing mode, a sealing cover 301 is fixed to the top end of the breathing pipe 3 in a sealing mode, a landmark extending upwards is fixed to the outer wall of the top of the sealing cover 301, and the top of the landmark is flush with the ground of a green belt;
a spherical arc-shaped contact groove 401 is formed in the position, corresponding to the extrusion block 7, of the circumferential outer wall of the silica gel sleeve 4, the contact groove 401 and the extrusion block 7 in the corresponding position are located on the same side of the breathing tube 3, a filling groove with an arc-shaped cross section is formed in the position, corresponding to the extrusion block 7, of the circumferential inner wall of the silica gel sleeve 4, the filling groove is formed in an arc-shaped groove which is coaxial with the breathing tube 3, the filling groove and the extrusion block 7 in the corresponding position are located on two sides of the breathing tube 3 respectively, and a convex block 8 is fixed on the position, corresponding to the filling groove, of the outer wall of the breathing tube 3;
utilize the flexible deformation that produces of contact groove 401 cooperation extrusion piece 7 of sphere arc structure, and increase the expansion to local soil and contract effect and scope again, in order to improve the operation reinforcing effect of breathing the catchment to local soil, and utilize the interval setting of contact groove 401 and lug 8, deformation between the adjacent position that makes 4 outer walls of silica gel cover is dragged and is increased, and 3 vertical settings of breathing tube make water pressure highly there is the difference at each and make the flexible scope of extrusion piece 7 of co-altitude have the difference, thereby utilize the deformation difference of co-location to further improve the water collection effect in actual greenbelt, improve the cooperation effect of collector pipe net and greenbelt.
In the invention, a mounting hole is formed in the position, corresponding to a permeation mechanism, of the bottom of a water conduit 2, the permeation mechanism is provided with a permeation cylinder 5 vertically fixed in the mounting hole, the top end of the permeation cylinder 5 is opened, a vertically placed fixed rod 10 is fixed in the middle position of the inner wall of the bottom of the permeation cylinder 5, the circumferential outer wall of the fixed rod 10 is slidably connected with a plurality of pistons 11 in an annular structure, second springs 12 are connected between the pistons 11 and between the piston 11 positioned at the bottom end and the inner wall of the bottom of the permeation cylinder 5, a connecting groove 9 in an arc structure is formed in the circumferential inner wall of the permeation cylinder 5 below the piston 11, the section of the connecting groove 9 is in an outwardly protruding arc structure, and through holes 901 distributed in an annular array are formed in the circumferential inner wall of the connecting groove 9;
when the water pressure in the permeation cylinder 5 increases along with the inflow of water from the water conduit 2, the piston 11 and the second spring 12 are pressed downwards to press and permeate part of the water out of the through hole 901, and the water pressure difference at different height positions is increased by utilizing the height difference of the through hole 901 and the elastic buffering between the piston 11 and the second spring 12, so that the water absorption effect of the soil at the bottom of the green belt is enhanced, the matching effect between the water collecting pipe network and the green belt is further improved, and the emergency effect of the sponge urban green belt on rainwater collection is enhanced.
Example 2
In the invention, one side of the outer wall of one end of the plugging piece 15 is provided with a through flow groove 1501, the gravity of the plugging piece 15 is unbalanced along with the impact of water flow by utilizing the flow groove 1501 positioned at one side of the central position of the plugging piece 15, so that the effect of water flow at two sides at intervals is realized by ensuring the rotation of the plugging piece 15;
the intermediate position of circulation groove 1501 is fixed with seal box 16, and the both ends of seal box 16 are provided with the sealed apron that sets up, the both sides outer wall of seal box 16 all pierces through and is fixed with a plurality of flexure strips 17, set up interval distribution between the flexure strip 17 of seal box 16 both sides, a plurality of balls 18 have been placed in the seal box 16, utilize the flexure strip 17 in the circulation groove 1501 to produce undulant and ball 18's inertial roll in order to drive shutoff piece 15 and rotate and guarantee the interval and lead to water, on the other hand through the ball 18 of rolling state and the inboard striking of flexure strip 17 and the striking in outside rivers and the flexure strip 17 outside and buffer each other, avoid the rivers velocity of water too fast and cause impact damage to equipment, in order to prolong the actual life of equipment, and guarantee the long effect of effectively using of sponge city system.
In the invention, the positioning frame 13 is provided with a fixing part positioned at the central position of the water pipeline 1 and a connecting part annularly distributed at the periphery of the fixing part, a through groove is formed in the middle position of the connecting part, the inner walls of two ends of the through groove are rotatably connected with a rotating rod through a bearing, the outer wall of the rotating rod is fixedly provided with a slow flow plate 1301, the outer wall of the slow flow plate 1301 is wrapped with an elastic material, the rotating slow flow plate 1301 is utilized to improve the buffering of the positioning frame 13 on water flow impact, and the effect of long-term effective use of sponge city equipment is further enhanced.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. A rainwater treatment system based on a sponge city comprises a water delivery pipeline (1) and is characterized in that the water delivery pipeline (1) is horizontally buried under a green zone, one end of the water delivery pipeline (1) is communicated with the rainwater collecting pipeline, the corresponding positions of the outer walls at the two sides of the water delivery pipeline (1) are communicated with a plurality of horizontally placed water diversion pipelines (2), and one end of the water conduit (2) far away from the water conduit (1) is connected to rainwater treatment equipment, the top of the water conduit (2) is connected with a plurality of breathing mechanisms, and breathing mechanism's outside multiple spot takes place the breathing deformation along with inside water pressure changes, and the position that corresponds with leading water pipeline (2) in conduit (1) is provided with interval water piping mechanism, and the leading water pipeline (2) of corresponding position in conduit (1) both sides are interior to be led water at interval, the bottom of leading water pipeline (2) is connected with a plurality of infiltration mechanisms.
2. The rainwater treatment system based on the sponge city according to claim 1, wherein a fixing hole is formed in the position, corresponding to the breathing mechanism, of the outer wall of the top of the water conduit (2), the breathing mechanism is provided with a breathing tube (3) vertically fixed in the fixing hole, the top end of the breathing tube (3) is sealed, the bottom end of the breathing tube (3) extends into the position below the inner wall of the top of the water conduit (2), sliding grooves penetrating the breathing tube (3) are formed in the outer walls of the two sides of the breathing tube at intervals, an extrusion block (7) of a spherical structure is connected to the inner wall of the sliding groove in a sliding mode, a first spring (6) horizontally placed is connected between the outer wall of one side of the extrusion block (7) and the inner wall of the breathing tube (3), and a silica gel sleeve (4) is wrapped on the outer wall of the breathing tube (3) in a sealing mode.
3. A rainwater treatment system based on sponge city as claimed in claim 2 wherein the top end of said breathing pipe (3) is fixed with a sealing cover (301) in a sealing way, and the top outer wall of the sealing cover (301) is fixed with a landmark extending upwards, and the top of the landmark is flush with the ground of green belt.
4. The rainwater treatment system based on the sponge city according to claim 2, wherein a spherical arc-shaped contact groove (401) is formed in the position, corresponding to the extrusion block (7), of the circumferential outer wall of the silica gel sleeve (4), the contact groove (401) and the extrusion block (7) in the corresponding position are located on the same side of the breathing tube (3), a filling groove with an arc-shaped cross section is formed in the position, corresponding to the extrusion block (7), of the circumferential inner wall of the silica gel sleeve (4), the filling groove is formed in an arc-shaped groove with the same axis as the breathing tube (3), the filling groove and the extrusion block (7) in the corresponding position are located on two sides of the breathing tube (3), and a bump (8) is fixed on the position, corresponding to the filling groove, of the outer wall of the breathing tube (3).
5. The sponge city-based rainwater treatment system according to claim 1, wherein a mounting hole is formed in the bottom of the water conduit (2) at a position corresponding to the penetration mechanism, the penetration mechanism is provided with a penetration cylinder (5) vertically fixed in the mounting hole, the top end of the penetration cylinder (5) is open, a vertically placed fixing rod (10) is fixed at the middle position of the bottom inner wall of the penetration cylinder (5), the circumferential outer wall of the fixing rod (10) is slidably connected with a plurality of pistons (11) with annular structures, second springs (12) are respectively connected between the pistons (11) and between the piston (11) at the bottom end and the bottom inner wall of the penetration cylinder (5), a connecting groove (9) with an arc-shaped structure is formed in the circumferential inner wall of the penetration cylinder (5) below the piston (11), and the section of the connecting groove (9) is provided with an outwardly protruding arc-shaped structure, through holes (901) distributed in an annular array are formed in the circumferential inner wall of the connecting groove (9).
6. The sponge city-based rainwater treatment system according to claim 1, characterized in that the positions of the inner wall of the water conduit (1) at both ends of the water conduit (2) are both fixed with positioning frames (13), and the middle position between the two positioning frames (13) is rotationally connected with a positioning rod (14), the positioning rod (14) rotates in one direction towards one side, the interval water-passing mechanism is provided with a plugging piece (15) fixed on the outer wall of the positioning rod (14), the cross section of the plugging piece (15) is arranged into a fan-shaped structure with an arc angle larger than one hundred eighty degrees, a flow cavity (101) with two through ends is reserved at the position corresponding to the plugging piece (15) in the water conduit (1), and the side wall of the plugging piece (15) corresponding to the flow cavity (101) is provided with a plurality of diamond-shaped grooves which are contacted and impacted with water flow.
7. A rainwater treatment system based on sponge city according to claim 6 characterized in that one side of the outer wall of one end of the plugging piece (15) is equipped with a flow groove (1501) arranged by penetration.
8. A rainwater treatment system based on a sponge city according to claim 7, characterized in that a sealing box (16) is fixed in the middle of the circulation groove (1501), two ends of the sealing box (16) are provided with cover plates which are arranged in a sealing way, the outer walls of two sides of the sealing box (16) are respectively fixed with a plurality of elastic sheets (17) in a penetrating way, the elastic sheets (17) at two sides of the sealing box (16) are arranged in a spaced way, and a plurality of balls (18) are arranged in the sealing box (16).
9. The sponge city-based rainwater treatment system according to claim 6, wherein the positioning frame (13) is provided with a fixing part located at the center of the water pipeline (1) and a connecting part annularly distributed at the periphery of the fixing part, a through groove is formed in the middle of the connecting part, rotating rods are rotatably connected between the inner walls of the two ends of the through groove through bearings, a flow slowing plate (1301) is fixed on the outer wall of each rotating rod, and elastic materials are wrapped on the outer wall of each flow slowing plate (1301).
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| CN115259439A (en) * | 2022-07-02 | 2022-11-01 | 广东轻工职业技术学院 | Water-saving filter purification device of sponge city gardens pond |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115259439A (en) * | 2022-07-02 | 2022-11-01 | 广东轻工职业技术学院 | Water-saving filter purification device of sponge city gardens pond |
| CN115259439B (en) * | 2022-07-02 | 2023-10-31 | 广东轻工职业技术学院 | Water-saving type filtering and purifying device for sponge city garden pond |
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| CN113250275B (en) | 2022-06-28 |
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