CN112302131A

CN112302131A - Energy-efficient municipal drainage system

Info

Publication number: CN112302131A
Application number: CN202010917642.3A
Authority: CN
Inventors: 李斌
Original assignee: Ningbo Huizhou Ecological Construction Co ltd
Current assignee: Ningbo Huizhou Ecological Construction Co ltd
Priority date: 2020-09-03
Filing date: 2020-09-03
Publication date: 2021-02-02

Abstract

The utility model relates to an energy-efficient municipal drainage system relates to the field of municipal energy-saving engineering, including road drainage district and greenery patches drainage district, road drainage district is including setting up at the outlet on roadside and setting up the drainage channel in the road surface lower part, greenery patches drainage district includes that the layer is planted on the earth's surface and sets up the rainwater collecting pit of planting layer lower part on the earth's surface, the outlet communicates in the rainwater collecting pit, rainwater collecting pit lateral wall is provided with the overflow passageway, overflow passageway and drainage channel intercommunication, be connected with rainwater drainage mechanism between layer and the rainwater collecting pit is planted on the earth's surface, plants the layer with rainwater drainage in the rainwater collecting pit to the earth's surface. Municipal drainage system and gardens irrigation system combine together in this application, utilize the rainwater of municipal administration emission to carry out irrigation moisturizing from bottom to top to gardens greenery patches, reduce the resource that rainwater emission route and rainwater reuse consumed, reach energy-efficient purpose.

Description

Energy-efficient municipal drainage system

Technical Field

The application relates to the field of municipal energy-saving engineering, in particular to a high-efficiency energy-saving municipal drainage system.

Background

As is well known, a municipal drainage system is a system which is specially used for discharging and cleaning rainwater on road surfaces, domestic sewage and industrial wastewater, and is widely applied to municipal works; the existing municipal drainage system comprises a wastewater concentration tank and a precipitation treatment tank, wherein the wastewater concentration tank is used for carrying out concentrated collection on road rainwater, domestic sewage and industrial wastewater and carrying out precipitation purification through the precipitation treatment tank.

However, in southern areas and the like, since the amount of rainfall is large, the amount of rainwater discharged into the wastewater collection tank is also large, and since rainwater is often less than harmful substances contained in industrial wastewater, if rainwater and industrial wastewater are directly gathered and concentrated, the purification treatment amount is greatly increased, and thus, certain energy waste is caused.

In the related art, a rainwater collecting device is usually additionally arranged below a road to collect rainwater, the amount of rainwater entering a wastewater collecting pool is reduced, the purification treatment amount of the wastewater is reduced, and the rainwater in the rainwater collecting device is used for irrigation and other purposes.

In view of the above-mentioned related art, the inventor thinks that rainwater collected by the rainwater collection device needs to be pumped away by a water pump when being recycled, and is subjected to secondary treatment, thereby causing unnecessary waste.

Disclosure of Invention

In order to reduce the waste of resources that collection rainwater caused in secondary treatment, this application provides an energy-efficient municipal drainage system.

The application provides a high-efficient energy-saving municipal drainage system adopts following technical scheme:

the utility model provides an energy-efficient municipal drainage system, includes road drainage district and greenery patches drainage district, road drainage district is including setting up at the outlet on roadside and setting up the drainage channel in the road surface lower part, greenery patches drainage district includes that the layer is planted on the earth's surface and sets up the rainwater collecting pit of planting layer lower part on the earth's surface, the outlet communicates in the rainwater collecting pit, rainwater collecting pit lateral wall is provided with overflow channel, overflow channel and drainage channel intercommunication, be connected with rainwater drainage mechanism between layer and the rainwater collecting pit is planted on the earth's surface, plant the layer with the rainwater drainage in the rainwater collecting pit to the earth's surface.

By adopting the technical scheme, in rainy days, rainwater on the road needs to be discharged, and the rainwater flows away through the roadside drainage port, enters the underground drainage system and directly enters the rainwater collecting pool through the drainage port for storage; when the rainwater is less, the rainwater flows into the rainwater collecting pool to be stored, the stored rainwater is introduced into the surface planting layer through the rainwater drainage mechanism to replenish the surface planting layer for the growth of plants planted on the surface planting layer, and particularly in arid northern areas, the rainwater can be fully utilized to replenish and irrigate greenbelts for a long time, so that the water waste of municipal irrigation is reduced, and resources and energy are saved; when the rainwater is more, the rainwater fills with the rainwater collecting tank earlier, guarantees to have sufficient storage water, and after the rainwater collecting tank filled, the rainwater can overflow to the drainage channel through the overflow path, discharges via the drainage channel, alleviates municipal drainage pressure.

Optionally, the rainwater drainage mechanism includes the support mesh plate that sets up at the ground surface planting layer bottom and passes the drainage rope that supports the mesh plate, drainage rope lower extreme extends to rainwater collecting pit bottom, and the upper end is laid in the ground surface planting layer.

By adopting the technical scheme, the rainwater drainage mechanism adopts the supporting mesh plate and the drainage rope, wherein the supporting mesh plate can support the upper ground surface planting layer, so that the space of the rainwater collection pool is formed at the lower part of the ground surface planting layer, and the mesh holes are formed in the supporting mesh plate, so that the drainage rope can conveniently penetrate through the supporting mesh plate to communicate the rainwater collection pool with the ground surface planting layer; the drainage rope is adopted to conduct water flow, water can be continuously supplied to the surface planting layer, more water in the surface planting layer is supplied for plant growth, and particularly in dry seasons, the frequency of manual irrigation is reduced.

Optionally, a protection tube is sleeved outside the drainage rope, two ends of the drainage rope extend out of two ends of the protection tube, and the protection tube penetrates through meshes on the supporting mesh plate.

Through adopting above-mentioned technical scheme, use the protection tube to protect the drainage rope, can avoid the drainage rope to be extruded when passing the support mesh board and warp, in case the drainage rope is extruded or taut, its diversion effect will reduce, through the protection of protection tube, guarantees that the drainage rope has better diversion effect, supplies water for the earth's surface planting layer more high-efficiently, and the drainage rope both ends expose, then make things convenient for its to absorb water and drainage.

Optionally, support the water layer of protecting of mesh board upper strata and laid the film, the geotechnological cloth layer has been laid to the water layer upper strata of film, geotechnological cloth layer upper portion sets up to planting the soil layer.

Through adopting above-mentioned technical scheme, support and from the top down sets gradually planting soil layer, geotechnological cloth layer and the guarantor's water layer of film on the mesh board, wherein plant the soil layer and be used for planting the plant, and the geotechnological cloth layer supports and protects and plants the soil layer, prevents that soil from losing and blockking up the support mesh board, and the guarantor's water layer of film then can reduce the moisture in planting the soil layer and run off downwards, keeps the moisture in planting the soil layer.

Optionally, the planting soil layer includes an upper planting soil layer and a lower plant straw layer, and the upper end of the drainage rope is laid in the plant straw layer.

Through adopting above-mentioned technical scheme, planting soil layer lower part sets up to plant straw layer, and the hole on plant straw layer is bigger, can preserve more moisture, and simultaneously big with air area of contact, the perishable rotten of plant straw can provide certain nutrient for vegetation.

Optionally, a supporting structure layer is arranged on the lower portion of the supporting mesh plate, the upper end of the supporting structure layer is abutted to the supporting mesh plate, the lower end of the supporting structure layer is arranged at the bottom of the rainwater collecting pool, and a gap for rainwater to pass through and a drainage rope to be arranged is arranged in the supporting structure layer.

Through adopting above-mentioned technical scheme, the supporting structure layer supports the supporting mesh board earth surface planting layer on upper portion, can enough form great ponding space in the rainwater collecting pit, can avoid the earth surface to plant the layer emergence and sink again effectively.

Optionally, the support structure layer is arranged to be concrete columns arranged at the bottom of the rainwater collection pool in a matrix mode, and the drainage rope is arranged in a space between the concrete columns.

By adopting the technical scheme, the supporting structure layer adopts the concrete column, the supporting strength is high, the rainwater scouring resistance is strong, and a large-area rainwater collecting space can be formed.

Optionally, the support structure layer is arranged to be a gravel layer laid in the rainwater collection pool, and the drainage rope is arranged in a gap formed by the gravel layer.

Through adopting above-mentioned technical scheme, bearing structure layer adopts the metalling, and is more comprehensive to the support on layer is planted to the earth's surface, prevents more effectively that the layer is planted to the earth's surface from taking place to sink, also has more space of depositing water in the metalling simultaneously, and the drainage rope is laid in the space that the metalling formed, guarantees better diversion effect.

Optionally, a retaining wall is arranged between the rainwater collecting pool and the drainage channel, the upper end of the retaining wall is supported on the ground surface planting layer or the pavement layer, and the overflow channel is arranged on the upper portion of the retaining wall.

Through adopting above-mentioned technical scheme, utilize the barricade to separate rainwater collecting pit and drainage channel, can save more rainwater in making the rainwater collecting pit, overflow channel sets up on barricade upper portion, can avoid depositing water in the rainwater collecting pit too much, and the rainwater just can be arranged to drainage channel through overflow channel after depositing enough a quantity, is discharged away by drainage channel.

Optionally, the drainage outlet is communicated with the rainwater collecting pool through a diversion trench, the drainage channels are arranged on two sides of the diversion trench, overflow walls for separating the drainage channels from the diversion trench are arranged on two sides of the diversion trench, and the height of each overflow wall is the same as that of the bottom of each overflow channel.

Through adopting above-mentioned technical scheme, the outlet is equipped with the diversion channel with the rainwater collecting pit, makes the rainwater enter into the rainwater collecting pit earlier, carries out the collection and the utilization of rainwater earlier, and when the rainwater began to overflow, the rainwater not only can enter into drainage channel through overflow path, also can cross overflow wall and enter into drainage channel for the emission of rainwater alleviates municipal drainage pressure.

In summary, the present application includes at least one of the following beneficial technical effects:

1. in the application, a municipal drainage system and a garden irrigation system are combined, rainwater discharged by municipal administration is used for irrigating and replenishing water to garden greenbelts from bottom to top, so that rainwater discharge paths and resources consumed by rainwater recycling are reduced, and the purposes of high efficiency and energy conservation are achieved;

2. the rainwater drainage mechanism in the application adopts the supporting mesh plate and the drainage rope, the supporting mesh plate can support the upper ground surface planting layer, so that the space of the rainwater collecting pool is formed at the lower part of the ground surface planting layer, and the mesh holes are formed in the supporting mesh plate, so that the drainage rope can conveniently penetrate through the supporting mesh plate and is communicated with the rainwater collecting pool and the ground surface planting layer; the drainage rope is adopted to conduct water flow, so that water can be continuously supplied to the surface planting layer, more water in the surface planting layer is supplied for the growth of plants, and particularly in dry seasons, the frequency of co-irrigation of people is reduced;

3. the earth surface planting layer is sequentially provided with a planting soil layer, a geotechnical cloth layer and a film water-retaining layer from top to bottom, wherein the planting soil layer is used for planting plants, the geotechnical cloth layer supports and protects the planting soil layer, soil loss and blockage of a supporting mesh plate are prevented, and the film water-retaining layer can reduce the downward loss of water in the planting soil layer and keep the water in the planting soil layer;

4. this application system is when collecting the rainwater, fills with the rainwater collecting pit earlier, and the overflow enters into drainage channel again, and the rainwater is few can reduce the waste of rainwater, also can not influence the emission of rainwater when the rainwater is many.

Drawings

Fig. 1 is a schematic system structure diagram according to a first embodiment of the present application.

Fig. 2 is a schematic structural diagram of a drainage channel and a rainwater collection tank in an embodiment of the present application.

Fig. 3 is a schematic structural diagram of a system according to a second embodiment of the present application.

Description of reference numerals: 1. a water outlet; 2. a drainage channel; 3. a ground surface planting layer; 31. a thin film water-retaining layer; 32. a geotextile layer; 33. planting soil; 34. a plant straw layer; 4. a rainwater collection tank; 41. retaining walls; 5. an overflow channel; 6. a rainwater drainage mechanism; 61. supporting the mesh plate; 62. a drainage cord; 63. protecting the tube; 71. a concrete column; 72. a crushed stone layer; 8. a water diversion groove; 81. and (4) an overflow wall.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses energy-efficient municipal drainage system.

Example 1

Referring to fig. 1 and 2, the system includes a two-part structure of a road drainage area and a green drainage area, the green is arranged on both sides of the road, i.e., the green drainage area is arranged on both sides of the road drainage area, and the two are communicated.

The road drainage area comprises a drainage port 1 arranged on the roadside and a drainage channel 2 arranged at the lower part of the road surface, wherein the drainage port 1 is arranged on the side surface of the sidewalk adjacent to the road, and the drainage channel 2 is arranged below the sidewalk and is arranged along the extending direction of the sidewalk. The green space drainage zone comprises a ground surface planting layer 3 positioned above and a rainwater collecting pool 4 arranged at the lower part of the ground surface planting layer 3, and the ground surface planting layer 3 is used for planting fibrous root herbaceous plants or shorter flowers.

The direct and rainwater collecting pit intercommunication of outlet 1 sets up diversion channel 8 between the two, and drainage channel 2 perpendicular to diversion channel 8 lays in the both sides of diversion channel 8, and diversion channel 8 both sides wall sets up to the overflow wall 81 that separates it with drainage channel 2, and the rainwater is less, directly enters into rainwater collecting pit 4 through diversion channel 8, and the rainwater can cross overflow wall 81 and enter into drainage channel 2 when great.

A retaining wall 41 is arranged between the rainwater collecting pool 4 and the drainage channel 2, the upper end of the retaining wall 41 is supported on the ground surface planting layer 3 or the pavement layer, an overflow channel 5 communicated with the rainwater collecting pool 4 and the drainage channel 2 is arranged at the upper part of the retaining wall 41, and the bottom of the overflow channel 5 is as high as the overflow wall 81. Rainwater enters the rainwater collecting tank 4 firstly, rainwater is collected and utilized firstly, and when the rainwater begins to overflow, the rainwater can enter the drainage channel 2 through the overflow channel 5 and can also enter the drainage channel 2 through the overflow wall 81, so that the drainage of the rainwater is accelerated.

Referring to fig. 1, after the rainwater enters the rainwater collecting pool 4, the rainwater needs to be introduced into the surface planting layer 3 to irrigate green plants, a rainwater drainage mechanism 6 is connected between the surface planting layer 3 and the rainwater collecting pool 4, and the rainwater drainage mechanism 6 drains the rainwater into the surface planting layer 3.

Rainwater drainage mechanism 6 is including supporting mesh board 61, drainage rope 62 and protection tube 63, support mesh board 61 adopts the stereoplasm plastic slab, the equidensity distribution has circular shape mesh on the plate body, polylith plate body splices into a whole in 4 tops of rainwater collecting pit, protection tube 63 adopts the plastic tubing, pass the mesh on the support mesh board 61, the upper end extends to in the earth's surface planting layer 3, the lower extreme extends to rainwater collecting pit 4 bottom of the pool top 10 centimetres department, drainage rope 62 adopts the cotton thread, wear to establish in protection tube 63, and both ends all stretch out 30 centimetres length from protection tube 63 both ends, drainage rope 62 lower extreme extends to rainwater collecting pit 4 bottoms, be used for absorbing the rainwater, the upper end is transversely laid in earth's surface planting layer 3, be used for releasing the rainwater. The drainage ropes 62 are densely distributed above the rainwater collecting tank 4 to conduct water flow, and can continuously supply water to the surface planting layer 3, so that more water in the surface planting layer 3 is supplied for plant growth, and the frequency of manual irrigation is reduced particularly in dry seasons.

Support and plant layer 3 for the earth's surface on the mesh board 61, 3 top-down on the earth's surface planting layer include planting soil 33, plant straw layer 34, geotechnological cloth layer 32 and the moisture layer 31 of thin film in proper order, and planting soil layer is constituteed to planting soil 33 and plant straw layer 34. The thin film water retention layer 31 is laid on the supporting mesh plate 61, the protection pipe 63 can penetrate through the thin film water retention layer 31, and the thin film water retention layer 31 can reduce the downward loss of water in the planting soil layer and keep the water in the planting soil layer; a geotechnical cloth layer 32 is laid on the film water retention layer 31, and the geotechnical cloth layer 32 supports and protects the planting soil layer to prevent soil loss and block the supporting mesh plate 61; the plant straw layer 34 is made of plant straws, the upper end of the drainage rope 62 is laid in the plant straw layer 34, and the plant straw layer 34 is large in pore size and can store more water; the planting soil 33 is laid on the plant straw layer 34 and used for planting green plants.

In order to ensure that a sufficient space is reserved between the rainwater collecting tank 4 and the supporting mesh plate 61, a supporting structure layer is arranged on the lower portion of the supporting mesh plate 61, the upper end of the supporting structure layer is abutted to the supporting mesh plate 61, the lower end of the supporting structure layer is arranged at the bottom of the rainwater collecting tank 4, and a gap formed between the rainwater collecting tank and the drainage rope 62 is formed in the supporting structure layer in order to facilitate rainwater flowing.

Referring to fig. 1 and 2, the support structure layer is arranged to be a concrete column 71 arranged at the bottom of the rainwater collection pool 4 in a matrix manner, the whole concrete column 71 is a cuboid, the support strength is high, the rainwater erosion resistance is high, and a large-area rainwater collection space can be formed. A water passing channel is formed between the adjacent concrete columns 71, and the drainage rope 62 is arranged in the water passing channel between the concrete columns 71.

The implementation principle of the high-efficiency energy-saving municipal drainage system in the embodiment of the application is as follows: in rainy days, rainwater on the road needs to be discharged, flows away through the roadside drainage port 1, and directly enters the rainwater collecting tank 4 through the water diversion groove 8 for storage; when the rainwater is less, the rainwater flows into the rainwater collecting tank 4 to be stored, the stored rainwater flows upwards along the drainage rope 62 and is introduced into the planting soil 33 and the plant straw layer 34, and the planting soil 33 and the plant straw layer 34 are supplemented with water to be used for the growth of plants on the ground surface; when the rainwater is more, the rainwater fills with rainwater collecting tank 4 earlier, guarantees to have sufficient storage water, and after rainwater collecting tank 4 filled, the rainwater can overflow to drainage channel 2 through overflow channel 5 in, discharges away via drainage channel 2, alleviates municipal drainage pressure.

Example 2

Referring to fig. 3, the present embodiment is different from embodiment 1 in that the support structure layer is provided as a gravel layer 72 laid in the rainwater collection tank 4, the distance from the bottom of the rainwater collection tank 4 to the support mesh 61 is not too large, the support structure layer is provided as 20 cm in the present embodiment, the granularity of the gravel in the gravel layer 72 is kept at 10 cm, a sufficient gap is left in the gravel layer 72, and the drainage rope 62 is laid in the gap formed by the gravel layer 72. The crushed stone layer 72 is used as a support structure layer, so that the ground surface planting layer 3 is supported more comprehensively, and the ground surface planting layer 3 is effectively prevented from collapsing.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an energy-efficient municipal drainage system which characterized in that: including road drainage zone and greenery patches drainage zone, road drainage zone is including setting up in outlet (1) on the roadside and setting up drainage channel (2) in the road surface lower part, greenery patches drainage zone includes that the earth's surface plants layer (3) and sets up rain collecting pit (4) of planting layer (3) lower part at the earth's surface, outlet (1) communicates in rain collecting pit (4), rain collecting pit (4) lateral wall is provided with overflow channel (5), overflow channel (5) and drainage channel (2) intercommunication, be connected with rainwater drainage mechanism (6) between layer (3) and rain collecting pit (4) are planted to the earth's surface, with rain drainage in rain collecting pit (4) to planting earth's surface layer (3).

2. An energy-efficient municipal drainage system according to claim 1, wherein: rainwater drainage mechanism (6) including set up support mesh board (61) and drainage rope (62) of passing support mesh board (61) at the earth's surface planting layer (3) bottom, drainage rope (62) lower extreme extends to rainwater collecting pit (4) bottom, and the upper end is laid in earth's surface planting layer (3).

3. An energy-efficient municipal drainage system according to claim 2, wherein: the outside cover of drainage rope (62) is equipped with protection tube (63), stretch out from the both ends of protection tube (63) at the both ends of drainage rope (62), protection tube (63) pass the mesh on supporting mesh board (61).

4. An energy-efficient municipal drainage system according to claim 2, wherein: support aperture board (61) upper strata and laid the guarantor's water layer of film (31), geotechnological cloth layer (32) has been laid on the guarantor's water layer of film (31) upper strata, geotechnological cloth layer (32) upper portion sets up to planting the soil layer.

5. An energy efficient municipal drainage system according to claim 4, wherein: the planting soil layer comprises an upper planting soil layer (33) and a lower plant straw layer (34), and the upper end of the drainage rope (62) is laid in the plant straw layer (34).

6. An energy-efficient municipal drainage system according to claim 2, wherein: support mesh board (61) lower part is provided with the support structure layer, support structure layer upper end butt is on supporting mesh board (61), and the lower extreme setting is in rainwater collecting pit (4) bottom, laid the clearance that the rainwater was laid through and drainage rope (62) in the support structure layer.

7. An energy efficient municipal drainage system according to claim 6, wherein: the support structure layer is arranged into concrete columns (71) which are arranged at the bottom of the rainwater collecting pool (4) in a matrix mode, and the drainage ropes (62) are arranged in spaces among the concrete columns (71).

8. An energy efficient municipal drainage system according to claim 6, wherein: the supporting structure layer (7) is arranged to be laid on a gravel layer (72) in the rainwater collecting pool (4), and the drainage rope (62) is arranged in a gap formed by the gravel layer (72).

9. An energy-efficient municipal drainage system according to claim 1, wherein: be provided with barricade (41) between rainwater collecting pit (4) and drainage channel (2), barricade (41) upper end is supported on the earth's surface and is planted layer (3) or pavement layer, overflow path (5) are seted up on barricade (41) upper portion.

10. An energy efficient municipal drainage system according to claim 9, wherein: the rainwater collecting pool is characterized in that the water outlet (1) is communicated with the rainwater collecting pool (4) through a water diversion groove (8), the drainage channels (2) are arranged on two sides of the water diversion groove (8), overflow walls (81) for separating the drainage channels from the drainage channels (2) are arranged on two sides of the water diversion groove (8), and the height of each overflow wall (81) is the same as that of the bottom of each overflow channel (5).