CN207538184U - Concave herbaceous field structure - Google Patents

Concave herbaceous field structure Download PDF

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Publication number
CN207538184U
CN207538184U CN201721645300.0U CN201721645300U CN207538184U CN 207538184 U CN207538184 U CN 207538184U CN 201721645300 U CN201721645300 U CN 201721645300U CN 207538184 U CN207538184 U CN 207538184U
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China
Prior art keywords
tank
concave herbaceous
herbaceous field
water inlet
field structure
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CN201721645300.0U
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Chinese (zh)
Inventor
申超
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PowerChina Chengdu Engineering Co Ltd
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PowerChina Chengdu Engineering Co Ltd
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Abstract

The utility model discloses one kind to be related to urban rainwater sorting technique field, especially a kind of concave herbaceous field structure, it includes concave herbaceous field portion, further include tank, balancing tank, tank, balancing tank are located at the both sides in concave herbaceous field portion, first water inlet of tank, the second water inlet of balancing tank are respectively positioned on the top in concave herbaceous field portion, and the height of the second water inlet is higher than the height of the first water inlet.The utility model provides a kind of concave herbaceous field structure simple in structure, water-holding capacity is high.

Description

Concave herbaceous field structure
Technical field
The utility model is related to urban rainwater sorting technique field, especially a kind of concave herbaceous field structure.
Background technology
Urbanization leads to land use, windy and sandy soil significant changes, cause the retention of region rainwater, under ooze, the hydrology such as evaporate Element and production Process of Confluence change, and increase the frequency and intensity of Regional Flooding disaster generation, increase municipal drainage system Construction in a systematic way is set and operating pressure.Important component of the urban green space as urban ecological system, there is many Impacts on ecology and environment.
In recent years, domestic city greenery area constantly expands, but in the planning in urban green space, design and construction, recessed Formula greenery patches is one kind of greenery patches rainwater storage technology, and for more common greenery patches, concave herbaceous field utilizes the abundant accumulation of lower concave space Rainwater significantly increases the rainwater infiltration time, has many advantages, such as to ooze storage rainwater, flood peak clipping flow, mitigates rainwash pollution. General concave herbaceous field structure is:Greenery patches elevation is less than road surface elevation, and inlet for stom water is located in greenery patches, and inlet for stom water is high less than road surface The greenery patches of journey is simultaneously higher than greenery patches elevation, and concave herbaceous field collects the rainfall runoff of the regions such as surrounding road, building generation, rainwater Runoff first flows into greenery patches, and part rainwater permeates the ground.The recessed depth of concave herbaceous field is typically small in order to avoid caused not to surrounding Profit influences, therefore the amount of rainfall that common concave herbaceous field can store is smaller, stores rainwater, flood peak clipping to oozing when rainfall is larger The effect that flow, mitigation rainwash pollute is not obvious.Meanwhile in no rain period, greenbelt plants need to carry out watering maintenance, work The labor intensity for making personnel is high, maintenance cost it is higher.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of concave herbaceous fields simple in structure, water-holding capacity is high Structure.
The utility model solves concave herbaceous field structure used by its technical problem, including concave herbaceous field portion, also wraps Tank, balancing tank are included, tank, balancing tank are located at the both sides in concave herbaceous field portion, and the first water inlet of tank is adjusted Second water inlet of economizing basin is respectively positioned on the top in concave herbaceous field portion, and the height of the second water inlet is higher than the first water inlet Highly.
Further, the first water inlet is provided with the first filter screen.
Further, the second water inlet is provided with the second filter screen.
Further, being provided with the first concrete at the top of tank, bottom and side are provided with impervious barrier.
Further, being provided with immersible pump in tank, waterpipe, washing head are further included, washing head is located at up concave type The top in greenery patches portion, waterpipe one end are connected with immersible pump, and the other end is connected with washing head.
Further, the bottom of tank is provided with water outlet.
Further, concave herbaceous field portion, the bottom of balancing tank are disposed with physical filtering purification from top to bottom Layer, biofiltration purifying layer.
Further, the second concrete is provided at the top of balancing tank.
Further, overflow port is provided in balancing tank.
Further, third filter screen is provided at overflow port.
The beneficial effects of the utility model are:The concave herbaceous field structure of the utility model includes concave herbaceous field portion, storage Pond, balancing tank, it is right first since the elevation in concave herbaceous field portion is less than tank, the water inlet of balancing tank during rainfall Concave herbaceous field portion is poured, and a small amount of rainfalls are directly emitted into underground by concave herbaceous field portion;For larger amount of rainfall When, the discharge of concave herbaceous field portion does not come, and extra rainfall is entered by the first water inlet in tank, reduces rainfall flood peak Flow, alleviate the pressure of urban rainwater pipeline System drainage, the rainwater of tank can also irrigate green plants, Improve resource utilization;During for a greater amount of rainfalls, more than the moisture storage capacity of tank, more rainwater pass through the second water inlet Mouth enters in regulating reservoir, further reduces the flow of rainfall flood peak, alleviates the pressure of urban rainwater pipeline System drainage, shows Work improves concave herbaceous field structure water-holding capacity, reduces urban waterlogging, simple in structure, conducive to popularization.
Description of the drawings
Fig. 1 is the structure diagram of the utility model;
Parts, position and number in figure:Concave herbaceous field portion 1, tank 2, the first water inlet 21, the first concrete knot Structure layer 22, impervious barrier 23, water outlet 24, balancing tank 3, the second water inlet 31, the second concrete 32, overflow port 33, Immersible pump 4, waterpipe 5, washing head 6, physical filtering purifying layer 7, biofiltration purifying layer 8, green plants 9.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
As shown in Figure 1, the utility model concave herbaceous field structure, including concave herbaceous field portion 1, tank 2, balancing tank 3, tank 2, balancing tank 3 are located at the both sides in concave herbaceous field portion 1, the first water inlet 21 of tank 2, balancing tank 3 Second water inlet 31 is respectively positioned on the top in concave herbaceous field portion 1, and the height of the second water inlet 31 is higher than the first water inlet 21 Highly.
Since the elevation in concave herbaceous field portion 1 is less than tank 2, the water inlet of balancing tank 3, first to concave herbaceous field Portion 1 is poured, and a small amount of rainfalls are directly emitted into underground by concave herbaceous field portion 1;During for larger amount of rainfall, up concave type Greenery patches portion 1 is discharged to come over, and extra rainfall is entered by the first water inlet 21 in tank 2, reduces the stream of rainfall flood peak Amount, alleviates the pressure of urban rainwater pipeline System drainage, can also irrigate green plants 9 rainwater of tank 2, carry High resource utilization;During for a greater amount of rainfalls, more than the moisture storage capacity of tank 2, more rainwater pass through the second water inlet Mouth 32 enters in regulating reservoir 3, further cuts down the flow of rainfall flood peak, alleviates the pressure of urban rainwater pipeline System drainage, Concave herbaceous field structure water-holding capacity is significantly improved, reduces urban waterlogging, it is simple in structure, conducive to popularization.
Specifically, due to containing impurity in rainwater, there are polluter, the bottom in concave herbaceous field portion 1 from top to bottom according to Secondary to be provided with physical filtering purifying layer 7, biofiltration purifying layer 8, wherein physical filtering purifying layer 7 is mixed by blinding, medium coarse sand It is combined into, volume ratio 1:9, biofiltration purifying layer 8 is made of blinding and anaerobe, and blinding is anaerobe Growth place is provided, it is partly net by physical filtering purifying layer 7, biofiltration purifying layer 8 by 1 rainwater of concave herbaceous field portion Underground is emitted into after change, since the green plants 9 in concave herbaceous field portion 1 is in larger rainfall, may be submerged, so should Resistance to the flooding property of green plants at place is preferable.
The flow that the effect of tank 2 will reduce rainfall flood peak alleviates the pressure of urban rainwater pipeline System drainage, The rainwater that tank 2 stores can also irrigate green plants, improve resource utilization, specific embodiment is in water storage Immersible pump 4 is provided in pond 2, further includes waterpipe 5, washing head 6, washing head 6 is located at the top in concave herbaceous field portion 1, water pipe 5 one end of road is connected with immersible pump 4, and the other end is connected with washing head 6, the rainwater pair for being stored tank 2 by immersible pump 4 The green plants 9 in concave herbaceous field portion 1 is irrigated, and washing head 6 is arranged on tank 2,3 top of balancing tank certainly, i.e., Green plants 9 on tank 2, balancing tank 3 can be irrigated.As it can be seen that rainwater in tank 2 there are certain requirements, it is special It is not that certain impurity have larger impact to the use of immersible pump 4, so the first filter screen is provided at the first water inlet 21, The top setting protection against erosion partition board of tank 2.The first concrete 22, bottom are provided at the top of tank 2 simultaneously Side is provided with impervious barrier 23, the first concrete 22 ensures the intensity of tank 2, prevents it from caving in, impervious barrier 23 Preventing the rain penetration of tank 2, impervious barrier 23 is alternatively concrete structure to underground.For the ease of being tieed up to immersible pump 4 It repaiies, water outlet 24 is provided in the bottom of tank 2, water outlet 24 is attached with urban drainage pipeline system.
The effect of balancing tank 3 is further to reduce the flow of rainfall flood peak, alleviates urban rainwater pipeline system row The pressure of water, reduces urban waterlogging.So it is disposed with physical filtering purification from top to bottom in the bottom of balancing tank 3 Layer 7, biofiltration purifying layer 8 after rainwater is purified in balancing tank 3, are emitted into underground at leisure, and are adjusted for entering Rainwater in pond 3, it is also desirable to by processing, the second filter screen is provided at the second water inlet 31.In order to improve balancing tank 3 Drainability, overflow port 33 can be also provided in balancing tank 3, third filter screen, overflow port are provided at overflow port 33 33 are connected with urban drainage pipeline system.In order to ensure the intensity of balancing tank 3, the top of balancing tank 3 is provided with second Concrete 32.

Claims (10)

1. concave herbaceous field structure, including concave herbaceous field portion (1), it is characterised in that:Further include tank (2), balancing tank (3), tank (2), balancing tank (3) are positioned at the both sides of concave herbaceous field portion (1), the first water inlet (21) of tank (2), The second water inlet (31) of balancing tank (3) is respectively positioned on the top of concave herbaceous field portion (1), and the height of the second water inlet (31) Higher than the height of the first water inlet (21).
2. concave herbaceous field structure as described in claim 1, it is characterised in that:First water inlet is provided with the first mistake at (21) Strainer.
3. concave herbaceous field structure as described in claim 1, it is characterised in that:Second water inlet is provided with the second mistake at (31) Strainer.
4. concave herbaceous field structure as described in claim 1, it is characterised in that:It is mixed that first is provided at the top of tank (2) Xtah Crude Clay structure layer (22), bottom and side are provided with impervious barrier (23).
5. concave herbaceous field structure as described in claim 1, it is characterised in that:Immersible pump (4) is provided in tank (2), Further include waterpipe (5), washing head (6), washing head (6) positioned at the top of concave herbaceous field portion (1), waterpipe (5) one end with Immersible pump (4) is connected, and the other end is connected with washing head (6).
6. concave herbaceous field structure as described in claim 1, it is characterised in that:The bottom of tank (2) is provided with water outlet (24)。
7. the concave herbaceous field structure as described in claim 1 to 6 any one, it is characterised in that:Concave herbaceous field portion (1), The bottom of balancing tank (3) is disposed with physical filtering purifying layer (7), biofiltration purifying layer (8) from top to bottom.
8. concave herbaceous field structure as described in claim 1, it is characterised in that:Balancing tank is provided with second at the top of (3) Concrete (32).
9. concave herbaceous field structure as described in claim 1, it is characterised in that:Balancing tank is provided with overflow port in (3) (33)。
10. concave herbaceous field structure as claimed in claim 9, it is characterised in that:Third filtering is provided at overflow port (33) Net.
CN201721645300.0U 2017-11-30 2017-11-30 Concave herbaceous field structure Active CN207538184U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721645300.0U CN207538184U (en) 2017-11-30 2017-11-30 Concave herbaceous field structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721645300.0U CN207538184U (en) 2017-11-30 2017-11-30 Concave herbaceous field structure

Publications (1)

Publication Number Publication Date
CN207538184U true CN207538184U (en) 2018-06-26

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721645300.0U Active CN207538184U (en) 2017-11-30 2017-11-30 Concave herbaceous field structure

Country Status (1)

Country Link
CN (1) CN207538184U (en)

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