CN210946327U

CN210946327U - Municipal administration rainwater drainage system

Info

Publication number: CN210946327U
Application number: CN201921579363.XU
Authority: CN
Inventors: 张�杰
Original assignee: Zhejiang Yongxiang Construction Co ltd
Current assignee: Zhejiang Yongxiang Construction Co ltd
Priority date: 2019-09-21
Filing date: 2019-09-21
Publication date: 2020-07-07
Anticipated expiration: 2029-09-21

Abstract

The utility model relates to a municipal rainwater drainage system, which comprises a non-motor vehicle lane and a motor vehicle lane, wherein a green belt is arranged between the non-motor vehicle lane and the motor vehicle lane; planting greening vegetation in the greening belt; both sides of the green belt are provided with road edge stones, and the green belt further comprises a sand filtering layer positioned under the ground surface of the green belt, and a water gathering tank is arranged in the sand filtering layer; the water collecting groove is communicated with the sand filtering layer; concrete pieces positioned below the water catchment groove are poured in the sand filtering layer; a concrete piece is integrally formed with a water chute with an inverted trapezoidal section; a rainwater collecting pipe is arranged at the bottom of the water guide groove; the purified water collecting pipe is communicated with the lower part of the rainwater collecting pipe; the purified water collecting pipe is communicated with a storage tank; the storage tank is communicated with an irrigation device. The utility model discloses the utilization is guaranteed effective handling surface ponding and is purified pollution rainwater simultaneously and be used for the afforestation to irrigate, improves water utilization ratio, not only energy-conservation but also the effect of environmental protection. The problem of do not effectively utilize the increase city administrative cost to the rainwater is solved.

Description

Municipal administration rainwater drainage system

Technical Field

The utility model belongs to the technical field of the city construction and specifically relates to a municipal rainwater drainage system is related to.

Background

The urban drainage system is an engineering facility system for treating and removing urban sewage and rainwater, and is a component of urban public facilities. Urban drainage system planning is an integral part of urban overall planning. Wherein the rainwater drainage system is one of the important components of the municipal sewage drainage system. At present, rainwater is mostly directly discharged through a sewer pipe network in municipal administration, and the rainwater is not fully utilized.

Chinese patent publication No. CN207109988U discloses a rainwater drainage system, which comprises a permeable ground layer laid with permeable concrete or permeable bricks, a plurality of inlet channels disposed below the permeable ground layer, and a plurality of rainwater wells communicated with the inlet channels, wherein each rainwater well is communicated with the plurality of inlet channels, the rainwater wells are communicated with drainage pipes, the drainage pipes are communicated with a rainwater post-treatment system, and the bottoms of the rainwater wells are permeable well floors made with permeable concrete or permeable bricks.

The rainwater in the prior art scheme is directly discharged through the drainage pipeline, the rainwater is not fully utilized, the water utilization rate is limited, and the urban management cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an effectively utilize surface gathered water to reduce city management cost's municipal rainwater drainage system.

The method is realized by the following technical scheme: a municipal rainwater drainage system comprises a non-motor vehicle lane and a motor vehicle lane, wherein a green belt is arranged between the non-motor vehicle lane and the motor vehicle lane; planting greening vegetation in the greening belt; both sides of the green belt are provided with road edge stones, the green belt further comprises a sand and soil filter layer positioned under the ground surface of the green belt, and a water collecting groove tightly attached to the road edge stones and communicated with the road surface is arranged in the sand and soil filter layer; the water collecting groove is communicated with the sand filtering layer; concrete pieces positioned below the water catchment groove are poured in the sand filtering layer; a concrete piece is integrally formed with a water chute with an inverted trapezoidal section; a rainwater collecting pipe is arranged at the bottom of the water guide groove; the purified water collecting pipe is communicated with the lower part of the rainwater collecting pipe; the purified water collecting pipe is communicated with a storage tank; the storage tank is communicated with an irrigation device arranged on the surface of the green belt.

By adopting the technical scheme, the accumulated water on the road surface quickly flows into the water collection tank, and the rainwater in the water collection tank flows to the sand filtering layer with good water and air permeability under the green belt, so that the accumulated water on the road surface is effectively treated; the rainwater purified and polluted by the sandy soil filtering layer is collected to the rainwater collecting pipe, filtered to the purified water collecting pipe and filtered to the storage tank for later use, and finally the purified rainwater in the storage tank is sprayed by the irrigation device to irrigate greening vegetation. The utility model discloses guarantee that the efficient handling surface gathered water purifies the pollution rainwater simultaneously and be used for the afforestation to irrigate, reduce city administrative cost, practice thrift the sustainable development of environmental protection.

The utility model discloses further set up to: the road edge stone is provided with water outlets which are communicated with the water collection tank and are mutually spaced; a detachable screening net is arranged in the water outlet; the inner wall of one side of the water collecting groove facing the sand filtering layer is provided with a plurality of water seepage holes in a penetrating way.

Through adopting above-mentioned technical scheme, the large aperture rubbish on the screen separation motor vehicle way avoids blockking up motor vehicle way catchment groove and influences whole effect, collects the rubbish near the screen and makes things convenient for motor vehicle way cleanup crew to clear up simultaneously, collects the screen damage and is convenient the maintenance. The seepage hole makes the rainwater flow direction sand filtration layer of its catchment groove purify the filtration, prevents effectively that the road surface from ponding.

The utility model discloses further set up to: the irrigation device comprises a water suction pump and an irrigation water pipe communicated with the water suction pump, and the irrigation water pipe is arranged on the surface of the green belt; the water outlet end of the irrigation water pipe is provided with a plurality of spray heads.

By adopting the technical scheme, the purified rainwater in the storage tank is pumped by the water suction pump, and the greening vegetation on the surface of the green belt is effectively sprayed by the spray head of the irrigation water pipe, so that the utilization rate of the rainwater is improved; the temperature and the humidity of the periphery of the redundant rainwater which is not planted and absorbed can be adjusted, and a proper ecological environment is kept; the sand and soil filter layer can be entered again and finally stored in the storage tank for standby.

The utility model discloses further set up to: the concrete piece is integrally formed with a pipe arranging groove for arranging a rainwater collecting pipe; one side of the rainwater collecting pipe, which faces the sand filtering layer, is provided with a water flow through hole in a penetrating way; a water permeable block is arranged in the water flow through hole.

Through adopting above-mentioned technical scheme, the piece that permeates water adopts pervious concrete to pour and forms, has better water permeability, gas permeability and has certain filtering effect to granule impurity. Purified rainwater flows to a rainwater collecting pipe through the water flow holes to be collected; the arrangement of the pipe arranging grooves enables the rainwater collecting pipe to be stably installed, and the pipe arranging grooves provide fixation and protection for the rainwater collecting pipe, so that the rainwater collecting pipe is not easy to be damaged due to bending caused by water and soil loss.

The utility model discloses further set up to: the rainwater collecting pipe is connected with a communicating pipe communicated with the purified water collecting pipe; the communicating pipe is provided with a filter screen layer.

Through adopting above-mentioned technical scheme, pass through the effective filtering of filter screen layer with the unfiltered small-size impurity of sand and soil filter layer, guarantee not to block up rainwater header and irrigation equipment, promote holistic stability and life.

The utility model discloses further set up to: the purified water collecting pipe is connected with a connecting pipe communicated with the storage tank; the connecting pipe is internally provided with a high-efficiency filter screen layer; the high-efficiency filtering layer is preferably a PVDF composite ultrafiltration membrane.

By adopting the technical scheme, the PVDF composite film ensures that 97% of impurities in water are removed, has a certain sterilization effect and ensures the health degree of irrigation water.

The utility model discloses further set up to: the storage tank is communicated with the irrigation device through a water guide pipe; a filter screen plug is arranged at the port of the water guide pipe in the storage tank.

Through adopting above-mentioned technical scheme, the particulate impurity of filter screen stopper filtration purification rainwater prevents that it from getting into irrigation equipment, damages the use that reduces irrigation equipment, increases the equipment maintenance cost.

The utility model discloses further set up to: the sand filtering layer comprises a slag layer, a coarse sand stone layer, an activated carbon layer, a loess layer and a gravel layer which are paved from top to bottom.

By adopting the technical scheme, the slag layer is economic and environment-friendly by filling harmless industrial waste slag and has good water permeability and air permeability; the coarse gravel layer is formed by filling large-particle-size gravels, has good water permeability and air permeability, and can adsorb part of impurities with larger volume and part of solid pollutants in rainwater; the active carbon layer is uniformly mixed and filled with crushed garden waste gas and active carbon, and absorbs smaller particle impurities and liquid organic matters while eliminating most effective bacteria; the loess layer and the gravel layer have good water and air permeability, so that rainwater can permeate into the rainwater collecting pipe and be collected and utilized; the greening vegetation root system stabilizing and preventing lodging enables the greening vegetation root system to grow healthily, reduces maintenance cost and guarantees the purifying effect of the greening vegetation root system on rainwater.

To sum up, the utility model has the advantages of it is following:

1. through catchment groove, sand filtration layer, effective treatment surface ponding guarantees traffic safety.

2. Through sand filtration layer, rainwater collection pipe, water purification collection pipe, holding tank and irrigation equipment, spray the purification rainwater of holding tank and irrigate afforestation vegetation, guarantee effectively to handle surface gathered water and purify simultaneously and pollute the rainwater and be used for afforestation irrigation, practice thrift environmental protection sustainable development.

Drawings

Fig. 1 is a schematic layout of the pavement of the utility model.

Fig. 2 is a schematic view of a curb structure.

Fig. 3 is a schematic view of a partial structure of the present invention.

FIG. 4 is the irrigation schematic diagram of the present invention

In the figure, 1, green belt; 11. greening vegetation; 2. a vehicle lane; 3. a non-motorized lane; 4. a curb stone; 41. a water outlet; 411. screening a net; 42. a water collecting tank; 421. a water seepage hole; 423. a water seepage hole; 5. a sand filtration layer; 6. a rainwater collecting pipe; 61. a water flow through hole; 611. a water permeable block; 62. a communicating pipe; 63. a filter screen layer; 7. a clean water collecting pipe; 71. a connecting pipe; 72. a high-efficiency filter layer; 8. a storage tank; 81. a water conduit; 82. a filter screen plug; 9. an irrigation device; 91. a water pump; 92. an irrigation water pipe; 921. a spray head; 10. a concrete member; 101. a water chute; 102. and (4) arranging pipe grooves.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 3, for the utility model discloses a municipal rainwater drainage system, including non-motor way 3 and motor way 2, set up greenbelt 1 between non-motor way 3 and the motor way 2, planted afforestation vegetation 11 in greenbelt 1. Both sides of the green belt 1 are provided with road edge stones 4, and the ground surface of the green belt 1 is filled with a sand filtering layer 5. The sand filtering layer 5 comprises a slag layer, a coarse sand stone layer, an active carbon layer, a loess layer and a gravel layer which are paved from top to bottom. The slag layer is economic and environment-friendly and has good water permeability and air permeability by filling harmless industrial waste slag; the coarse gravel layer is formed by filling large-particle-size gravels, has good water permeability and air permeability, and can adsorb part of impurities with larger volume and part of solid pollutants in rainwater; the active carbon layer is uniformly mixed and filled with crushed garden waste gas and active carbon, and absorbs smaller particle impurities and liquid organic matters while eliminating most effective bacteria; the loess layer and the gravel layer have good water and air permeability, so that rainwater can permeate into the rainwater collecting pipe and be collected and utilized; the greening vegetation root system stabilizing and fixing device has the advantages that the root system of the greening vegetation 11 is stabilized and prevented from lodging, the healthy growth of the greening vegetation is enabled, the maintenance cost is reduced, and the purifying effect of the root system of the greening vegetation 11 on rainwater is ensured.

Referring to fig. 2 and 3, a water collecting groove 42 which is tightly attached to the road edge stone 4 and communicated with the road surface is arranged in the sand filtering layer 5; the catchment trough 42 communicates with the sand filter 5. The curbstone 4 is provided with water outlets 41 which are communicated with the water collecting tank 42 and are mutually spaced; a detachable screening net 411 is provided in the drain port 41. The role of the screening net 411 is: the large-aperture garbage on the motor vehicle lane is separated, the phenomenon that the water collecting groove 42 of the motor vehicle lane is blocked to influence the whole drainage effect is avoided, the garbage collected at the water outlet is convenient for motor vehicle lane cleaning personnel to clean, and the screening net 411 is convenient to replace when damaged. In order to ensure that rainwater in the water collection tank 42 can rapidly permeate into the sand filtration layer 5 to ensure drainage performance, a plurality of water seepage holes 421 penetrate through the inner wall of the water collection tank 42 towards one side of the sand filtration layer 5.

Referring to fig. 3, a concrete member 10 is cast in the sand filter 5 under the catchment channel 42. The concrete member 10 is integrally formed with a water chute 101 having an inverted trapezoidal section; the rainwater collecting pipe 6 is arranged at the bottom of the water chute 101. The structure enables rainwater to flow to the rainwater collecting pipe 6 along the water guide groove 101 of the concrete member 10, and rainwater collection is facilitated; the concrete element 10 secures and protects the rainwater collection pipe 6 so that it is not easily damaged by bending due to soil erosion.

Referring to fig. 3, in order to stably lay the rainwater collection pipe 6, the concrete member 10 is integrally formed with a drain pipe groove 102 in which the rainwater collection pipe 6 is seated and which is positioned at the bottom of the water guide channel 101. A water flow through hole 61 is formed in the rainwater collecting pipe 6 in a penetrating manner towards one side of the sand filtering layer 5; a water permeable block 611 is provided in the water flow through hole 61. The permeable block 611 is formed by pouring permeable concrete, has good water permeability and air permeability, has a certain filtering effect on particle impurities, and is beneficial to quickly collecting and purifying rainwater of the sandy soil filtering layer 5.

Referring to fig. 3 and 4, a purified water collecting pipe 7 is communicated below the rainwater collecting pipe 6; the communication mode is as follows: the rain water header 6 is connected to a communication pipe 62 communicating with the clean water header 7. In order to ensure water quality, the communication pipe 62 is provided with a filter screen layer 63. The purified water collecting pipe 7 is communicated with a storage tank 8, and the communication mode is as follows: the purified water collection pipe 7 is connected to a connection pipe 71 communicating with the storage tank 8. In order to ensure the water quality, a high-efficiency filter layer 72 is arranged in the connecting pipe 71, and the high-efficiency filter layer 72 is preferably a PVDF composite ultrafiltration membrane. The PVDF composite ultrafiltration membrane is utilized, wherein the PVDF composite ultrafiltration membrane is compounded with nano titanium dioxide so that the PVDF composite ultrafiltration membrane has good sterilization effect, and sterilization ensures that the water quality is good. The storage tank 8 is communicated with an irrigation device 9 arranged on the ground surface of the green belt 1. The irrigation device 9 comprises a water suction pump 91 and an irrigation water pipe 92 communicated with the water suction pump 91, and the irrigation water pipe 92 is installed on the ground surface of the green belt 1; the outlet end of irrigation pipe 92 is provided with a plurality of spray heads 921. The communication mode is as follows: the storage tank 8 is communicated with the water pump 91 through a water guide pipe 81; the water suction pump 91 is communicated with the spray head 921 through an irrigation water pipe 92. In order to ensure the durability of the water pump 91, a filter screen plug 82 is arranged at the port of the water guide pipe 81 in the storage tank 8.

The utility model discloses a theory of operation is: the rainwater collects two lines, the first line is rainwater on the surface of the motor vehicle lane 2 and rainwater on the non-motor vehicle lane 3, the rainwater flows through the water outlet 41 of the road edge stone 4 and enters the water collecting groove 42, and the rainwater penetrates downwards through the water seepage holes 421 on the side wall of the water collecting groove 42 in an inclined mode and sequentially passes through the root system of the greening vegetation 11 and the sand and soil filter layer 5, so that most of impurities and silt in the rainwater are filtered. The second line is that the rainwater of greenbelt permeates into sand filtration layer 5 again through the soil layer of afforestation vegetation 11 perpendicularly downwards, most impurity and silt in the filtering rainwater. The rainwater on the two lines passes through the root system of the greening vegetation 11 and the sandy soil filter layer 5, most of impurities and silt in the water are removed, and the rainwater is converged to the water flow through hole 61 and collected in the rainwater collecting pipe 6; the water in the rainwater collecting pipe 6 flows through the multilayer filter screen 63 of the communicating pipe 62, and enters the purified water collecting pipe 7 after residual small particle impurities are filtered; the water in the purified water collecting pipe 7 flows through the multi-layer high-efficiency filter layer 72 of the connecting pipe 71, and enters the storage tank 8 after harmful bacteria to vegetation are filtered; the purified rainwater in the storage tank 8 is pumped to the spray head 921 through the water pump 91 to spray the irrigation greening vegetation 11. Can effectually in time arrange surface gathered water to the greatest extent through municipal rainwater drainage system and guarantee to go up dry and comfortable, guaranteed traffic safety, can purify into the water source that has the value of utilizing again with polluting water for the irrigation water of greenery patches has got rid of the dependence of irrigation water from city water intaking, has improved the utilization ratio to the water and has reached the purpose that the using water wisely reduces city administrative cost simultaneously.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A municipal rainwater drainage system comprises a non-motor vehicle lane (3) and a motor vehicle lane (2), wherein a green belt (1) is arranged between the non-motor vehicle lane (3) and the motor vehicle lane (2); greening vegetation (11) are planted in the greening belt (1); greenbelt (1) both sides all are provided with curb stone (4), its characterized in that: the greening belt also comprises a sand and soil filtering layer (5) positioned under the ground surface of the greening belt (1), wherein a water collecting groove (42) which is tightly attached to the road edge stone (4) and communicated with the road surface is arranged in the sand and soil filtering layer (5); the water collection tank (42) is communicated with the sand filtering layer (5); a concrete piece (10) positioned below the water catchment groove (42) is poured in the sand filtering layer (5); a concrete piece (10) is integrally formed with a water chute (101) with an inverted trapezoidal section; a rainwater collecting pipe (6) is arranged at the bottom of the water chute (101); a purified water collecting pipe (7) is communicated below the rainwater collecting pipe (6); the purified water collecting pipe (7) is communicated with a storage tank (8); the storage tank (8) is communicated with an irrigation device (9) arranged on the surface of the green belt (1).

2. The municipal rainwater drainage system of claim 1, wherein: the curbstone (4) is provided with water outlets (41) which are communicated with the water collecting tank (42) and are mutually spaced; a detachable screening net (411) is arranged in the water outlet (41); the inner wall of one side of the water collecting groove (42) facing the sand filtering layer (5) is provided with a plurality of water seepage holes (421).

3. The municipal rainwater drainage system of claim 1, wherein: the irrigation device (9) comprises a water suction pump (91) and an irrigation water pipe (92) communicated with the water suction pump (91), and the irrigation water pipe (92) is installed on the ground surface of the green belt (1); the water outlet end of the irrigation water pipe (92) is provided with a plurality of spray heads (921).

4. The municipal rainwater drainage system of claim 1, wherein: the concrete piece (10) is integrally formed with a drain pipe groove (102) for arranging the rainwater collecting pipe (6); one side of the rainwater collecting pipe (6) facing the sand filtering layer (5) is provided with a water flow through hole (61) in a penetrating way; a water permeable block (611) is arranged in the water flow through hole (61).

5. The municipal rainwater drainage system of claim 1, wherein: the rainwater collecting pipe (6) is connected with a communicating pipe (62) communicated with the purified water collecting pipe (7); a filter screen layer (63) is arranged in the communicating pipe (62).

6. The municipal rainwater drainage system of claim 1, wherein: the purified water collecting pipe (7) is connected with a connecting pipe (71) communicated with the storage tank (8); a high-efficiency filter layer (72) is arranged in the connecting pipe (71); the high-efficiency filter layer (72) is a PVDF composite ultrafiltration membrane.

7. The municipal rainwater drainage system of claim 1, wherein: the storage tank (8) is communicated with the irrigation device (9) through a water guide pipe (81); a filter screen plug (82) is arranged at the port of the water guide pipe (81) in the storage tank (8).

8. The municipal rainwater drainage system of claim 1, wherein: the sand and soil filtering layer (5) comprises a slag layer, a coarse sand stone layer, an active carbon layer, a loess layer and a gravel layer which are paved from top to bottom.