CN104141346A - Combined type rainwater infiltration tree pool - Google Patents

Combined type rainwater infiltration tree pool Download PDF

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Publication number
CN104141346A
CN104141346A CN201410328452.2A CN201410328452A CN104141346A CN 104141346 A CN104141346 A CN 104141346A CN 201410328452 A CN201410328452 A CN 201410328452A CN 104141346 A CN104141346 A CN 104141346A
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China
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pond
tree
forebay
partition
ponds
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CN201410328452.2A
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Chinese (zh)
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CN104141346B (en
Inventor
李俊奇
王文亮
陆利杰
车伍
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北京建筑大学
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Abstract

The invention relates to the technical field of urban rainwater control and utilization, in particular to a combined type rainwater infiltration tree pool. The combined type rainwater infiltration tree pool comprises a front pool (19) and a water inlet (2), wherein the front pool (19) is provided with an abandon flow chamber (4) and a sediment chamber (5) which are separated; the water inlet (2) is selectively communicated with fluid in the abandon flow chamber (4) or the sediment chamber (5), the abandon flow chamber (4) and the sediment chamber (5) are separated through a baffle plate (20), and the bottom part of the water inlet (2) is higher than the top surface of the baffle plate (20). According to the combined type rainwater infiltration tree pool disclosed by the invention, runoff rainwater on an urban road and a plaza can be subjected to pollution interception, purification and emission reduction.

Description

Combined rainwater diafiltration tree pond
Technical field
The present invention relates to urban rainwater control and utilize technical field, relate in particular to a kind of Combined rainwater diafiltration tree pond.
Background technology
The development of urbanization has changed original hydrologic cycle greatly, and serious ponding waterlogging phenomenon occurs in many cities, and Urban Underground water level declines to a great extent; Meanwhile, urban road runoff rainwater has brought very serious water environment pollution problem, the ecological severe exacerbation of municipal water.
For the problem such as hydrology variation and water pollution that reply urbanization brings, biological delay band and diafiltration tree pond are applicable to control and the utilization of road, square runoff rainwater, and biology is detained band technology to have started to apply in the domestic city such as Beijing, Shenzhen at present.But in practical engineering application, the biological band that is detained arranges and limited by place, Urban Branch Road and subsidiary road often not can be used for building rainwater control and utilize the separation greenbelt of facility, only have the avenue tree greenbelt of interruption.Another North City is widely used Snow Agent winter, and the snowmelt that carries Snow Agent can bring huge infringement to plant.External diafiltration tree pond mostly adopts the box bottom structure that has, and because spatial limitation can only be planted small-sized arbor or shrub, tree pond seeds cannot be brought into play the effect that avenue tree is shaded.
Summary of the invention
The object of the present invention is to provide a kind of Combined rainwater diafiltration tree pond of urban road, square runoff rainwater being cut to dirty reduction of discharging.
For achieving the above object, the invention provides a kind of Combined rainwater diafiltration tree pond, comprising: forebay, forebay has isolated abandoned stream chamber and mud chamber; And the water inlet being selectively communicated with abandoned stream chamber or mud chamber's fluid; Wherein, between abandoned stream chamber and mud chamber, open by baffle interval, the bottom of water inlet is higher than the end face of dividing plate.
According to the present invention, also comprise: the turnover panel that can water inlet is communicated with abandoned stream chamber fluid, in the second place, water inlet is communicated with mud chamber's fluid in primary importance, wherein, turnover panel can be fixed on rotatably in forebay between primary importance and the second place.
According to the present invention, abandoned stream chamber and mud chamber are arranged side by side along the direction being parallel at the bottom of the pond of forebay; Turnover panel is positioned at the top of abandoned stream chamber.
According to the present invention, also comprise: grid, grid is embedded in water inlet.
According to the present invention, also comprise: the planting bed that at least one is communicated with mud chamber's fluid.
According to the present invention, Combined rainwater diafiltration tree pond comprises two planting beds, and two planting beds are along the same side that is arranged in forebay away from the direction of forebay, and forebay and two planting beds along away from direction successively fluid be communicated with; Wherein, forebay is separated by the first partition wall with the planting bed being adjacent; And the sidewall in the roof of the first partition wall and Combined rainwater diafiltration tree pond encloses the space forming, and forms and realizes the passage that this planting bed is communicated with mud chamber's fluid.
According to the present invention, also comprise: be arranged at least one evacuated tube on the bottom sidewall of sedimentation basin, evacuated tube has entrance and exit; The inlet fluid of evacuated tube is communicated in mud chamber, and the outlet fluid of evacuated tube is communicated in the planting bed adjacent with forebay.
According to the present invention, also comprise: between two planting beds and at least one the overcurrent purifying pond being in fluid communication with it; Wherein, overcurrent purifying pond and be adjacent between the planting bed connecing spaced apart by the second partition wall; And the sidewall in the roof of the second partition wall and Combined rainwater diafiltration tree pond encloses the space forming and forms the passage of realizing overcurrent purifying pond and being adjacent the planting bed fluid connection connecing.
According to the present invention, also comprise: water distribution gabion, filling rubble in water distribution gabion; Water distribution gabion is arranged in the overcurrent purifying pond of the planting bed of close forebay in two planting beds of adjacency, and in abutting connection with the second partition wall setting.
According to the present invention, Combined rainwater diafiltration tree pond comprises at least two overcurrent purifying ponds, and at least two overcurrent purifying ponds are along being arranged in order layout away from the direction of forebay; Wherein, two adjacent overcurrent purifying pond fluids are communicated with and are separated by the 3rd partition wall.
According to the present invention, along the direction away from described forebay, the height of the bottom surface of at least two overcurrent purifying ponds reduces successively.
According to the present invention, at least two overcurrent purifying ponds are two, and the 3rd partition wall is with to be positioned at its height near the second partition wall of forebay one side identical, and the 3rd partition wall is higher than being positioned at its height away from the second partition wall of forebay one side.
According to the present invention, be provided with the communicating pipe of the bottom that connects the 3rd partition wall, be communicated with the fluid of realizing between described two adjacent overcurrent purifying ponds.
According to the present invention, in each overcurrent purifying pond, be filled with slag, sand and mix the purification medium forming with soil.
According to the present invention, in planting bed and overcurrent purifying pond, bark covering layer is set, the tectal upper surface of bark that is arranged in planting bed forms the bottom surface of planting bed, and the tectal upper surface of bark that is arranged in overcurrent purifying pond forms the bottom surface of overcurrent purifying pond; The bottom surface of planting bed and overcurrent purifying pond is all lower than the bottom of water inlet.
According to the present invention, at the bottom of the pond of planting bed and overcurrent purifying pond, be engraved structure.
According to the present invention, also comprise: be arranged in two planting beds away from the multistage overfall in the planting bed of forebay, wherein, the bottom overfall of multistage overfall is higher than planting bed bottom surface, and multistage overfall top is lower than the bottom of water inlet.
According to the present invention, also comprise: gutter, gutter has entrance and exit; Wherein, the entrance of gutter is communicated in the bottom of multistage overfall, and the outlet of gutter is communicated in urban drainage pipeline system.
According to the present invention, also comprise: abandoned stream pipe, has entrance and exit; Wherein, the entrance of abandoned stream pipe is positioned at the sidewall bottom of abandoned stream chamber and is communicated with abandoned stream chamber fluid, and the outlet of abandoned stream pipe is communicated with multistage overfall fluid.
According to the present invention, forebay, planting bed, overcurrent purifying pond and multistage overfall are the integral piece of concrete cast-in-situ moulding.
According to the present invention, also comprise: be arranged at the baffle in water inlet outside, the upper surface of baffle is set to the inclined-plane tilting towards water inlet.
According to the present invention, arrange and ooze comb in the bottom in Combined rainwater diafiltration tree pond.
Than prior art, beneficial effect of the present invention is:
Combined rainwater diafiltration of the present invention tree pond, comprises forebay, the water inlet that forebay has isolated abandoned stream chamber and mud chamber and is selectively communicated with abandoned stream chamber or mud chamber's fluid, and at the bottom of the pond of water inlet higher than forebay.In the application process of Combined rainwater diafiltration tree pond, rain, snow runoff gathering are to water inlet, and then inflow forebay.Therefore the Initial Runoff that, Combined rainwater diafiltration of the present invention tree pond can effectively catching gathering ground.Particularly, on the one hand, when this Combined rainwater diafiltration tree pond of North City use in winter, because Snow Agent can enter and encroaches on plant with snow-broth, operating personnel can open turnover panel (by turnover panel, water inlet being communicated with abandoned stream chamber), the snow-broth that contains Snow Agent is introduced to abandoned stream chamber abandoned stream, thereby prevent Snow Agent infringement Combined rainwater diafiltration tree pond implants.On the other hand, while using this Combined rainwater diafiltration tree pond rainy season, operating personnel can close turnover panel (by turnover panel, water inlet being communicated with mud chamber), and now abandoned stream chamber is closed, and runoff rainwater directly enters mud chamber.
At the bottom of the pond of planting bed of the present invention and overcurrent purifying pond, be all configured to engraved structure.Therefore can not affect the pond implants root system longitudinal growth of Combined rainwater diafiltration tree, root system of plant can utilize moisture and the nutrient of deep soil, and Combined rainwater diafiltration tree of the present invention pond can be widely used in avenue tree greenbelt.
At least one overcurrent purifying pond that Combined rainwater diafiltration tree of the present invention pond has between two planting beds and is in fluid communication with it, can pass through horizontal drowned flow purification style high-efficient purification runoff rainwater, expanded the original range of application in Combined rainwater diafiltration tree pond, therefore the present invention can be widely used in urban runoff rainwater pollution control field.
Combined rainwater diafiltration tree of the present invention pond is provided with multistage overfall in the planting bed away from forebay in two planting beds, can control Combined rainwater diafiltration tree pond internal diameter slime flux Flow Velocity and the retaining degree of depth under different flow conditions, therefore expand the range of application in Combined rainwater diafiltration tree of the present invention pond, under the prerequisite that ensures Combined rainwater diafiltration tree pond implants health, can improve delay and the clarification time to larger flow runoff rainwater.
Bottom, Combined rainwater diafiltration of the present invention tree pond arranges oozes comb, can carry out outer row after overcurrent purified treatment to exceed-infiltration runoff, shortens the Combined rainwater diafiltration tree pond internal water accumulation time, therefore can ensure the healthy growth of plant.
Because forebay, planting bed, overcurrent purifying pond and the multistage overfall in Combined rainwater diafiltration tree of the present invention pond are the integral piece of concrete cast-in-situ moulding, be convenient to construct.
Brief description of the drawings
Fig. 1 is the plan structure schematic diagram of an embodiment in Combined rainwater diafiltration tree of the present invention pond;
Fig. 2 is the schematic cross-section intercepting along A-A line in Fig. 1;
Fig. 3 is the schematic cross-section intercepting along B-B line in Fig. 1;
Fig. 4 is the schematic cross-section intercepting along C-C line in Fig. 1.
Detailed description of the invention
Embodiment of the invention will be described with reference to drawings as follows, and wherein, the arrow in Fig. 1,2,4 represents the flow direction of runoff.In addition, " height ", " low " involved in the present invention, " top ", " end ", are during with this Combined rainwater diafiltration tree pond of practical application, gravity tester to the direction high direction of pointing to low direction, being pointed to the end by top of serving as reasons, in other words, with the direction by under upper sensing of orienting in Fig. 2 high direction of pointing to low direction, being pointed to the end by top of serving as reasons.
See figures.1.and.2, an embodiment in Combined rainwater diafiltration tree of the present invention pond, for convenience of description, incites somebody to action " Combined rainwater diafiltration tree pond " as follows referred to as " tree pond ".Comprise forebay 19, the water inlet 2 that forebay 19 has isolated abandoned stream chamber 4 and mud chamber 5 and is selectively communicated with abandoned stream chamber 4 or mud chamber's 5 fluids, wherein, spaced apart by dividing plate 20 between abandoned stream chamber 4 and mud chamber 5, the bottom of water inlet 2 is higher than the end face of dividing plate 20.Wherein, water inlet 2 is the through hole that level or inclination run through the sidewall of setting pond, and the bottom of water inlet 2 is the inwall minimum point of this through hole.And because the end face of dividing plate 20 is lower than the end face of the sidewall in tree pond, therefore the abandoned stream chamber 4 of the formation that sidewall encloses in dividing plate 20 and tree pond and the top of mud chamber 5 are all lower than the end face of sidewall of setting pond, the end face of dividing plate 20 defines the top of abandoned stream chamber 4 and mud chamber 5, in other words, the height of the end face of dividing plate 20 is identical with the top of abandoned stream chamber 4 and mud chamber 5.
By said structure, in this tree pond application process, rain, snow runoff gathering are to water inlet 2 places, and then inflow forebay 19.Therefore the Initial Runoff that, tree of the present invention pond can effectively catching gathering ground.Particularly, on the one hand, when this tree pond of North City use in winter, because Snow Agent can enter and encroaches on plant with snow-broth, operating personnel can open turnover panel 6 (by turnover panel 6, water inlet 2 being communicated with abandoned stream chamber 4), the snow-broth that contains Snow Agent is introduced to abandoned stream chamber 4 abandoned streams, thereby prevent Snow Agent infringement tree pond implants.On the other hand, while using this tree pond rainy season, operating personnel can close turnover panel 6 (by turnover panel 6, water inlet 2 being communicated with mud chamber 5), and now turnover panel 6 all covers the top of abandoned stream chamber 4 so that abandoned stream chamber 4 is closed, and runoff rainwater directly enters mud chamber 5.In addition, road edge setting can be close in tree pond.
Particularly, by can find out the concrete shape in this tree pond with reference to Fig. 1-Fig. 4.But be not limited to this.The tree pond of the present embodiment is rectangle housing, comprises four sidewalls and partition wall (can describe in detail below), at the bottom of the pond in tree pond, is engraved structure, and roof is not established at top, and in other words, the top in tree pond is opened wide.Wherein, by the first partition wall 16, upstream the second partition wall 211, the 3rd partition wall 22, downstream the second partition wall 212, above-mentioned rectangle housing is divided into multiple chambers.The first partition wall 16 is forebay 19 with the sidewall of rectangle housing, the space that Chi Disuo encloses formation.Upstream the second partition wall 211, the first partition wall 16 are upstream planting bed 91 with the sidewall of rectangle housing, the space that Chi Disuo encloses formation.Upstream the second partition wall 211, the 3rd partition wall 22 are upstream overcurrent purifying pond 101 with the sidewall of rectangle housing, the space that Chi Disuo encloses formation.The 3rd partition wall 22, downstream the second partition wall 212 are downstream overcurrent purifying pond 102 with the sidewall of rectangle housing, the space that Chi Disuo encloses formation.Downstream the second partition wall 212 is downstream planting bed 92 with the sidewall of rectangle housing, the space that Chi Disuo encloses formation.
The structure in the following tree pond that specifically describes the present embodiment.
With reference to Fig. 1 and Fig. 4, abandoned stream chamber 4 and mud chamber 5 are arranged side by side along the direction being parallel at the bottom of the pond of forebay 19.Water inlet 2 is arranged on the sidewall of close abandoned stream chamber 4 in tree pond, and connects this sidewall.In the present embodiment, dividing plate 20 is spaced apart with mud chamber 5 by abandoned stream chamber 4, and in other words, dividing plate 20 encloses isolated abandoned stream chamber 4 and mud chamber 5 with sidewall, the bottom surface of forebay 19, and abandoned stream chamber 4 and mud chamber 5 lay respectively at the both sides of dividing plate 20.Wherein, the sidewall of forebay 19, bottom surface are respectively the sidewall, a part for bottom surface in tree pond, certainly, also can in forebay 19, arrange and are parallel to and are interval in the flat part at the bottom of the pond in tree pond, the bottom surface of the upper surface formation forebay 19 of this flat part.
Further, be provided with turnover panel 6 at the top of abandoned stream chamber 4.Turnover panel 6 can be fixed on rotatably in forebay 19 between primary importance and the second place, and preferably, turnover panel 6 is fixed in forebay 19 by the rotating shaft of being fixed in forebay 19, and turnover panel 6 can be around this rotating shaft rotation.Wherein, when turnover panel 6 is during in primary importance, turnover panel 6 is in an open position, and turnover panel 6 is blocked water inlet 2 and with being communicated with of mud chamber 5, the runoff being flowed into by water inlet 2 directly imported in abandoned stream chamber 4, is communicated with abandoned stream chamber 4 fluids by water inlet 2.Thus, when winter operation, drain through abandoned stream pipe (will describe in detail in the back) by the rear abandoned stream chamber 4 that directly enters of water inlet 2 containing the snowmelt of Snow Agent.In the time of the second place, when turnover panel 6 is in the closed position, turnover panel 6 covers the top of abandoned stream chamber 4, and water inlet 2 is communicated with mud chamber's 5 fluids, and in the time moving rainy season, runoff rainwater is directly introduced mud chamber 5 by water inlet 2 through turnover panel 6.
In the present embodiment, turnover panel 6 can between primary importance and the second place, rotate realized water inlet 2 and abandoned stream chamber 4 or mud chamber 5 selectively fluid be communicated with.Certainly, the present invention is not limited to this, at other alternatively in embodiment, can use such as valve etc. well known to a person skilled in the art method realize water inlet 2 and abandoned stream chamber 4 or mud chamber 5 selectively fluid be communicated with.In addition, water inlet 2 also can be arranged at enclosing in the partial sidewall that forms sedimentation basin 5 of tree pond, and turnover panel 6 is arranged on to the top of sedimentation basin 5.
Preferably, the bottom of water inlet 2 is than the high 300-600mm in the bottom surface of forebay 19.In the present embodiment, the bottom surface of forebay 19 is made up of jointly the bottom surface of abandoned stream chamber 4 and the bottom surface of sedimentation basin 5.
Alternatively, water inlet 2 places of forebay 19 are provided with grid 3, and particularly, grid 3 is embedded in water inlet 2 places, can prevent that large rubbish thing from entering Shu Chi.
See figures.1.and.2, tree pond also comprises the planting bed 9 that at least one is communicated with mud chamber's 5 fluids.In the present embodiment, tree pond comprises that 9, two planting beds of two planting beds 9 are along the same side that is arranged in forebay 19 away from the direction of forebay 19, and forebay 19 and two planting beds 9 along above-mentioned away from direction successively fluid be communicated with.In other words, in the same side of forebay, two planting beds 9 arranged in series successively, the runoff in forebay 19 enters a planting bed in two planting beds 9 first, then flows to next planting bed via this planting bed.For convenience of description, planting bed near forebay 19 in two planting beds 9 is referred to as to upstream planting bed 91, to in two planting beds 9, be referred to as downstream planting bed 92 away from the planting bed of forebay 19, more can express clearly thus, first runoff in forebay 19 flows into upstream planting bed 91, then flows into downstream planting bed 92 via upstream planting bed 91.
Continue to see figures.1.and.2, forebay 19 and the planting bed 9 being adjacent (are the planting bed near forebay 19 in two planting beds 9 in the present embodiment, be upstream planting bed 91) separated by the first partition wall 16, and the roof of the first partition wall 16 and the sidewall in tree pond enclose the space that forms and form and realize the passage that upstream planting bed 91 is communicated with mud chamber's 5 fluids.Can understand, the first partition wall 16 is the sidewall of sedimentation basin 5, and the roof of the first partition wall 16 is lower than the end face of other sidewall sections except the first partition wall 16.Thus, after the runoff that is arranged in sedimentation basin 1 enters sedimentation basin 1, make wherein liquid level constantly increase, after this liquid level is higher than the first partition wall 16, runoff is entered in upstream planting bed 91 by the first partition wall 16 overflows.Can understand, the roof that the passage of runoff overflow is the first partition wall 16 encloses with the sidewall in tree pond the space forming.
Preferably, the bottom surface of planting bed 9 is than the low 100-300mm in the bottom of water inlet 2, to ensure that setting pond has certain water storage space.More preferably, planting bed 9 bottom surfaces are than the low 200mm in the bottom of water inlet 2.Wherein, when placing soil and carrying out growing and cultivation, on soil horizon, cover tree skin layer (being bark covering layer 18) is set in planting bed 9, the upper surface of this bark covering layer 18 is the bottom surface of planting bed 9.Can understand, now, the bottom surface of planting bed 9 be in planting bed 9 and be interval in tree pond pond at the bottom of.Can imagine, stand in ground people and in planting bed 9, place soil and on soil, arrange after bark covering layer 18, can see the upper surface of bark covering layer 18, now can understand, this upper surface is the bottom surface of planting bed 9.Certainly, be not limited to this, can understand, the bottom surface of planting bed 9 is can carry out the bottom surface that the space of retaining has in planting bed 9.
The thickness of bark covering layer 18 arranging in planting bed 9 is 50mm, and at planting bed 9 and the mud chamber's 5 intersections cobble of banking up, to prevent water stream erosion plantation soil layer 17.In addition, the rainwater that planting bed oozes for 9 times can cover underground water, and the root system of plant also can absorb soil deep water at arid season and divide, and reduces to afforest to water to spill water supply volume.In addition, be provided with at least one evacuated tube 8 on the sidewall of the bottom of sedimentation basin 5, each evacuated tube 8 has entrance and exit.The inlet fluid of each evacuated tube 8 is communicated in mud chamber 5, and the outlet fluid of each evacuated tube 8 is communicated in upstream planting bed 91.In the present embodiment, the part of the outlet fluid of evacuated tube 8 between being communicated at the bottom of the soffit at bark covering layer 18 of upstream planting bed 91 and pond.Preferably, 3-5 root evacuated tube 8 is set, and the caliber of evacuated tube 8 is 25-50mm.More preferably, the caliber of evacuated tube 8 is 50mm.Thus, in the time moving rainy season, close turnover panel 6 to close abandoned stream chamber 4 (forbidding that runoff enters abandoned stream chamber 4), runoff is crossed over abandoned stream chamber 4 and is directly entered mud chamber 5, after mud chamber's 5 precipitations, overflows forebay 19 and enters planting bed 9.After rainfall finishes, remain in rainwater in sedimentation basin 5 through evacuated tube 8 discharged to upstream planting bed 91, play and shorten the forebay ponding time, prevent the effect that mosquito grows.
Preferably, the bottom surface of planting bed 9 is than the low 50-100mm in the top of sedimentation basin 5.
With further reference to Fig. 1 and Fig. 2, tree pond also comprises at least one the overcurrent purifying pond 10 between two planting beds 9, and above-mentioned at least one overcurrent purifying pond 10 is all communicated with planting bed 9 fluids.In the present embodiment, tree pond comprises that 10, two overcurrent purifying ponds of two overcurrent purifying ponds 10 are along being arranged in order layout away from the direction of forebay 19, and two overcurrent purifying pond 10 fluids are communicated with.In other words, in two overcurrent purifying ponds 10 one and direct fluid adjacent with upstream planting bed 91 is communicated with, another adjacent with downstream planting bed 92 and direct fluid is communicated with, thus, overflow to the runoff of upstream planting bed 91 from forebay 19, two the rear inflow of the overcurrent purifying pond 10 downstream planting beds 92 of flowing through successively.For convenience of description, overcurrent purifying pond near forebay 19 in two overcurrent purifying ponds 10 is referred to as to upstream overcurrent purifying pond 101, overcurrent purifying pond away from forebay 19 in two overcurrent purifying ponds 10 is referred to as to downstream overcurrent purifying pond 102, more can express clearly thus, overflowed to the runoff of upstream planting bed 91 by forebay 19, flow through successively upstream overcurrent purifying pond 101 and downstream overcurrent purifying pond 102 rear inflow downstream planting beds 92.Thus, the runoff that upstream planting bed 91 fails to dissolve enters upstream overcurrent purifying pond 101.In addition,, along the direction away from forebay 19, the height of two overcurrent purifying pond 10 bottom surfaces reduces successively.In the present embodiment, be same as planting bed, in two overcurrent purifying ponds 10, all place soil and carry out growing and cultivation, and on soil horizon, be coated with bark covering layer, the tectal upper surface of bark that is arranged in overcurrent purifying pond 10 forms the bottom surface of this overcurrent purifying pond 10.Therefore in the present embodiment, the tectal upper surface of bark in downstream overcurrent purifying pond 102 is lower than the tectal upper surface of bark in upstream overcurrent purifying pond 101.
Wherein, overcurrent purifying pond 10 and be adjacent between the planting bed 9 connecing spaced apartly by the second partition wall 21, and the sidewall in the roof of the second partition wall 21 and tree pond encloses the space that forms and forms and realize overcurrent purifying pond 10 and be adjacent the passage that planting bed 9 fluids that connect are communicated with.In the present embodiment, be, spaced apart by second partition wall between upstream overcurrent purifying pond 101 and upstream planting bed 91, spaced apart by second partition wall between downstream overcurrent purifying pond 102 and downstream planting bed 92, for convenience of describing, the second partition wall 21 of separating upstream overcurrent purifying pond 101 and upstream planting bed 91 is referred to as to upstream the second partition wall 211, the second partition wall of separating downstream overcurrent purifying pond 102 and downstream planting bed 92 is referred to as to downstream the second partition wall 212.In addition, between upstream overcurrent purifying pond 101 and downstream overcurrent purifying pond 102, separated by the 3rd partition wall 22, be provided with the communicating pipe 13 of perforation in the bottom of the 3rd partition wall 22, be communicated with the fluid of realizing between upstream overcurrent purifying pond 101 and downstream overcurrent purifying pond 102.In the present embodiment, the bottom of the 3rd partition wall 22 be the 3rd partition wall 22 the tectal soffit of bark in downstream overcurrent purifying pond 102 and tree pond pond at the bottom of between part.Certainly, two adjacent overcurrent purifying ponds also can use other mode fluids to be communicated with, for example, be communicated with as fluid between upstream planting bed 91 and upstream overcurrent purifying pond 101 top using and go out stream mode.
Can understand, enclose and form upstream overcurrent purifying pond 101 by the sidewall in upstream the second partition wall 211, the 3rd partition wall 22 and tree pond, enclose and form downstream overcurrent purifying pond 102 by the sidewall in downstream the second partition wall 212, the 3rd partition wall 22 and tree pond.And the roof of upstream the second partition wall 211 and downstream the second partition wall 212 is all lower than the end face of sidewall in tree pond, the roof of upstream the second partition wall 211 roofs, downstream the second partition wall 212 can pass through for fluid with the space that the sidewall in tree pond encloses formation respectively.Thus, runoff in upstream planting bed 91 encloses supreme the swimming across in stream purifying pond 101 of space overflow of formation by the roof of upstream the second partition wall 211 and the sidewall in tree pond, the space overflow that the runoff in downstream overcurrent purifying pond 102 encloses formation by the roof of downstream the second partition wall 212 and the sidewall in tree pond is to downstream planting bed 92.In other words the fluid connection that, the fluid between upstream planting bed 91 and upstream overcurrent purifying pond 101 is communicated with between downstream overcurrent purifying pond 102 and downstream planting bed 92 all realizes by overflow mode.
Alternatively, along away from the direction of forebay 19, the height of the bottom surface of at least two overcurrent purifying ponds 10 reduces successively, and the bottom surface of upstream overcurrent purifying pond 101 and downstream overcurrent purifying pond 102 is respectively lower than the height of upstream the second partition wall 211 and downstream the second partition wall 212.The 3rd partition wall 22 is identical with the height that is positioned at its second partition wall 21 (being upstream the second partition wall 211) near forebay 19 1 sides, and the 3rd partition wall 22 is higher than the height that is positioned at its second partition wall 21 (being downstream the second partition wall 212) away from forebay 19 1 sides.
With reference to Fig. 2, in upstream overcurrent purifying pond 101 and in abutting connection with upstream the second partition wall 211, be provided with water distribution gabion 12, the interior filling rubble of water distribution gabion 12.In application process, first runoff rainwater enters the water distribution gabion 12 being arranged in upstream overcurrent purifying pond 101, and by water distribution gabion 12 water distribution uniformities.Afterwards, rainwater is in the mode of horizontal drowned flow by entering the communicating pipe 13 of the 3rd partition wall 22 bottoms in downstream overcurrent purifying pond 102, and the mode that finally goes out stream by top is entered in downstream planting bed 92 by downstream overcurrent purifying pond 102.Thus, overcurrent purifying pond 10, by horizontal drowned flow purification style high-efficient purification runoff rainwater, has been expanded the original range of application in tree pond, and therefore the present invention can be widely used in urban runoff rainwater pollution control field.
Preferably, in each overcurrent purifying pond 10, be filled with slag, sand and mix the purification medium forming with soil.Current, in the time flowing through overcurrent purifying pond 10 filtrate, are removed the pollutant in runoff under the mechanisms such as absorption, filtration.
In addition, be not limited to the present invention, in other optional embodiments, one or overcurrent purifying pond 10 more than two can be set, and equal to or greater than the setting of the overcurrent purifying pond 10 of two, formed classification setting, those skilled in the art can be according to different pollutant removal target selection classification numbers, and filtrate can require to select according to influent quality and effluent quality.
Preferably, each overcurrent purifying pond 10 bottom surfaces are all lower than the bottom of water inlet 2.
In the present embodiment, at the bottom of the pond of planting bed 9 and overcurrent purifying pond 10, be engraved structure.Thus, this tree pond can not affect tree pond implants root system longitudinal growth, and root system of plant can utilize moisture and the nutrient of deep soil, makes the present invention set pond and can be widely used in avenue tree greenbelt.
With reference to Fig. 1-Fig. 3, in the present embodiment, tree pond is also provided with multistage overfall 11, and this multistage overfall 11 is arranged in downstream planting bed 92, the bottom overfall of multistage overfall 11 is higher than planting bed 9 bottom surfaces, and the top overfall of multistage overfall 11 is lower than the bottom of water inlet 2.In the present embodiment, multistage overfall 11 can be regarded as a cylindrical body, is provided with multiple overfalls on the sidewall of this cylindrical body, has formed the sidewall overfall classification setting of multistage overfall 11, and sidewall overfall discharge area reduces from top to bottom successively; Multistage overfall 11 tops arrange rain perforaled strainer.Particularly, the sidewall setting away from forebay 19 of multistage overfall 11 contiguous downstream planting beds 92, is arranged on tree pond downstream end.Preferably, the bottom overfall of multistage overfall 11 is higher than the bottom surface 50-150mm in tree pond, and the top overfall of multistage overfall 11 is lower than the bottom 100-200mm of water inlet 2.When tree pond ponding is more shallow, current are discharged through the bottom of multistage overfall 11 overfall, and now flooding velocity is limited; When tree pond ponding is darker, current are through whole multistage overfall overflow 11, and now the overflow capability of multistage overfall 11 is not less than the water inlet ability of water inlet 2.In the present embodiment, multistage overfall 11 is classification settings, and bottom overfall conveyance capacity is less, and top overfall conveyance capacity is larger, by the overfall control current flooding velocity of different conveyance capacities is vertically set, and then control the tree pond internal water accumulation degree of depth and holdup time.Further, the present invention sets pond water storage space and multistage overfall is set, and makes the present invention set pond and oozes Initial Runoff under both can being detained, reduces the outer discharge capacity of runoff, can prevent that again ponding from too much affecting plant health.In addition, be also provided with gutter 15.Gutter 15 has entrance and exit, and the entrance of gutter 15 is communicated in the bottom of multistage overfall 11, and the outlet of gutter 15 is communicated in urban drainage pipeline system, by gutter 15, too much runoff is arranged outward.
In addition, in the present embodiment, the above-mentioned abandoned stream pipe 7 of having mentioned has entrance and exit, and the entrance of abandoned stream pipe 7 is positioned at the bottom sidewall of abandoned stream chamber 4 and is communicated with abandoned stream chamber 4 fluids, and the outlet of abandoned stream pipe 7 is communicated with multistage overfall 11 fluids.In the present embodiment, the outlet of abandoned stream pipe 7 is communicated with the bottom flow of multistage overfall 11.By gas flow tube 7, the runoff in abandoned stream chamber 4 is expelled to multistage overfall 11 and discharges tree pond by gutter 15 subsequently.Certainly, the present invention is not limited to this, and in other optional embodiments, for example, not being provided with in the embodiment of multistage overfall 11, abandoned stream pipe 7 can directly be communicated in tree outside, pond.Can be regarded as, abandoned stream pipe 7 is communicated in tree outside, pond the runoff in abandoned stream chamber 4 is expelled to tree outside, pond, and being provided with in the embodiment of multistage overfall 11, abandoned stream pipe 7 is communicated with and runoff is discharged with outside, tree pond by multistage overfall 11.In addition.Because snow melt process is slower, snowmelt runoff generally can be very not large, the optional 50-150mm of caliber of abandoned stream pipe 7.
Alternatively, arrange and ooze comb in the bottom in tree pond.Ooze comb outer wall and have aperture, the rainwater-collecting that has little time down to ooze, discharged to multistage overfall 11, is shortened to the tree pond ponding time, therefore can ensure the healthy growth of plant.
Alternatively, forebay 19, planting bed 9, overcurrent purifying pond 10 and multistage overfall 11 are the integral piece of concrete cast-in-situ moulding, are convenient to construct.
With further reference to Fig. 4, there is baffle 1 in water inlet 2 arranged outside, the upper surface of baffle 1 is set to the inclined-plane tilting towards water inlet 2, so that runoff is imported in water inlet 2.
To sum up, in the present embodiment, the bottom surface in each pond, inside (forebay 19, planting bed 9, overcurrent purifying pond 10) in tree pond is all lower than the bottom of water inlet 2.In addition, the bottom surface of forebay 19 is the bottom surface higher than planting bed 9 lower than the top of the bottom of water inlet 2, forebay 19, has the effect of preformed precipitate to importing runoff wherein, can remove the bulky grain pollutant in runoff.To sum up, snowmelt runoff is discharged tree ponds entering behind abandoned stream chamber 4 through abandoned stream pipe 7, has avoided the infringement to plant.Runoff rainwater is through forebay, 3 sections of dirt laggard in-tree ponds of grid 19, after the interior precipitation pretreatment in forebay 19, overflow enters planting bed 9, Initial Runoff oozes for 9 times and is covered underground water at planting bed, later stage or larger runoff are overflowed by planting bed 9, after water distribution gabion 12 water distribution uniformities, enter overcurrent purifying pond 10, rainwater is interior after media filtration purifies at overcurrent purifying pond 10, enters another planting bed, unnecessary runoff, from multistage overfall 11 overflows, is discharged tree pond through gutter 8.Thus, the present invention is and has road rain water and cut the dirty combination diafiltration tree pond that reduces discharging function.
Certainly, above are only of the present invention one preferred embodiment, in this embodiment, all planting beds 9 and overcurrent purifying pond 10 are all disposed in series in the same side of forebay 19.And in other optional embodiments, multiple planting beds 9 can be arranged in the not homonymy of forebay 19, netted layout, and overcurrent purifying pond 10 is correspondingly arranged.Alternatively, when overcurrent purifying pond 10 is positioned at planting bed 9 and forebay 19, also can arrange in parallel.
Wherein, fluid involved in the present invention is communicated with and comprises direct fluid connected sum indirect fluid communications, and directly fluid connection is without any middle device and is communicated with, and is and is adjacent to series relationship; Indirect fluid communications, for through middle device, is non-conterminous ground series relationship.
To sum up, by the concrete shape that can find out this tree pond in Fig. 1 to Fig. 4.Specifically describe its shape as follows but be not limited to this.Tree pond is by enclosing the rectangle housing forming at the bottom of four sidewalls, pond.Wherein, by the first partition wall 16, upstream the second partition wall 211, the 3rd partition wall 22, downstream the second partition wall 212, above-mentioned rectangle housing is divided into multiple chambers.Particularly, the first partition wall 16 is forebay 19 with the sidewall of rectangle housing, the space that Chi Disuo encloses formation.Upstream the second partition wall 211, the first partition wall 16 are upstream planting bed 91 with the sidewall of rectangle housing, the space that Chi Disuo encloses formation.Upstream the second partition wall 211, the 3rd partition wall 22 are upstream overcurrent purifying pond 101 with the sidewall of rectangle housing, the space that Chi Disuo encloses formation.The 3rd partition wall 22, downstream the second partition wall 212 are downstream overcurrent purifying pond 102 with the sidewall of rectangle housing, the space that Chi Disuo encloses formation.Downstream the second partition wall 212 is downstream planting bed 92 with the sidewall of rectangle housing, the space that Chi Disuo encloses formation.And the bottom surface being formed by the tectal upper surface of bark respectively in upstream planting bed 91, upstream overcurrent purifying pond 101, downstream the second partition wall 212, downstream planting bed 92 reduces successively.
These are only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.

Claims (22)

1. a Combined rainwater diafiltration tree pond, is characterized in that, comprising:
Forebay (19), described forebay (19) have isolated abandoned stream chamber (4) and mud chamber (5); And
The water inlet (2) being selectively communicated with described abandoned stream chamber (4) or described mud chamber (5) fluid;
Wherein, spaced apart by dividing plate (20) between described abandoned stream chamber (4) and mud chamber (5), the bottom of described water inlet (2) is higher than the end face of described dividing plate (20).
2. Combined rainwater diafiltration tree according to claim 1 pond, is characterized in that, also comprises:
The turnover panel (6) that can described water inlet (2) is communicated with described abandoned stream chamber (4) fluid, in the second place, described water inlet (2) is communicated with described mud chamber (5) fluid in primary importance,
Wherein, described turnover panel (6) can be fixed on rotatably in described forebay (19) between described primary importance and the described second place.
3. Combined rainwater diafiltration tree according to claim 2 pond, is characterized in that,
Described abandoned stream chamber (4) and described mud chamber (5) are arranged side by side along the direction being parallel at the bottom of the pond of described forebay (19);
Described turnover panel (6) is positioned at the top of described abandoned stream chamber (4).
4. Combined rainwater diafiltration tree according to claim 1 pond, is characterized in that, also comprises:
Grid (3), described grid (3) is embedded in described water inlet (2) and locates.
5. Combined rainwater diafiltration tree according to claim 1 pond, is characterized in that, also comprises:
The planting bed (9) that at least one is communicated with described mud chamber (5) fluid.
6. according to the Combined rainwater diafiltration tree pond described in claim 5, it is characterized in that,
Described Combined rainwater diafiltration tree pond comprises two described planting beds (9),
Described two planting beds (9) are along be arranged in the same sides of described forebay (19) away from the direction of described forebay (19), and described forebay (19) and described two planting beds (9) along described away from direction fluid connection successively;
Wherein, described forebay (19) and the planting bed (9) that is adjacent are separated by the first partition wall (16); And
The sidewall in the roof of described the first partition wall (16) and described Combined rainwater diafiltration tree pond encloses the space forming, and forms and realizes the passage that this planting bed (9) is communicated with described mud chamber (5) fluid.
7. Combined rainwater diafiltration tree according to claim 6 pond, is characterized in that, also comprises:
Be arranged at least one evacuated tube (8) on the bottom sidewall of described sedimentation basin (5), described evacuated tube (8) has entrance and exit;
The inlet fluid of described evacuated tube (8) is communicated in described mud chamber (5), and the outlet fluid of described evacuated tube (8) is communicated in the planting bed (19) adjacent with described forebay (19).
8. Combined rainwater diafiltration tree according to claim 6 pond, is characterized in that, also comprises:
At least one the overcurrent purifying pond (10) that is positioned between described two planting beds (9) and is in fluid communication with it;
Wherein, described overcurrent purifying pond (10) and be adjacent between the planting bed (9) connecing spaced apart by the second partition wall (21); And
The sidewall in the roof of described the second partition wall (21) and described Combined rainwater diafiltration tree pond encloses the space forming, and forms the passage of realizing described overcurrent purifying pond (10) and being adjacent planting bed (9) the fluid connection connecing.
9. Combined rainwater diafiltration tree according to claim 8 pond, is characterized in that, also comprises:
Water distribution gabion (12), filling rubble in described water distribution gabion (12);
Described water distribution gabion (12) is arranged in the overcurrent purifying pond (10) of the planting bed (19) of close described forebay (19) in described two planting beds of adjacency (9), and arranges in abutting connection with described the second partition wall (21).
10. Combined rainwater diafiltration according to claim 8 or claim 9 tree pond, is characterized in that,
Described Combined rainwater diafiltration tree pond comprises at least two described overcurrent purifying ponds (10), and described at least two overcurrent purifying ponds (10) are along being arranged in order layout away from the direction of forebay (19);
Wherein, adjacent two described overcurrent purifying ponds (10) fluid is communicated with and is separated by the 3rd partition wall (22).
11. Combined rainwater diafiltration tree according to claim 10 ponds, is characterized in that,
Along the direction away from described forebay (19), the height of the bottom surface of described at least two overcurrent purifying ponds (10) reduces successively.
12. Combined rainwater diafiltration tree according to claim 11 ponds, is characterized in that,
Described at least two overcurrent purifying ponds (10) are two, described the 3rd partition wall (22) is with to be positioned at its height near second partition wall (21) of described forebay (19) one sides identical, and described the 3rd partition wall (22) is higher than being positioned at its height away from second partition wall (21) of described forebay (19) one sides.
13. Combined rainwater diafiltration tree according to claim 10 ponds, is characterized in that,
Be provided with the communicating pipe (13) that connects described the 3rd partition wall (22), be communicated with the fluid of realizing between described adjacent two overcurrent purifying ponds (10).
14. Combined rainwater diafiltration tree according to claim 8 ponds, is characterized in that,
In each described overcurrent purifying pond (10), be filled with slag, sand and mix the purification medium forming with soil.
15. Combined rainwater diafiltration tree according to claim 8 ponds, is characterized in that,
In described planting bed (9) and described overcurrent purifying pond (10), be provided with bark covering layer, the tectal upper surface of bark that is arranged in described planting bed (9) forms the bottom surface of described planting bed (9), and the tectal upper surface of bark that is arranged in described overcurrent purifying pond (10) forms the bottom surface of described overcurrent purifying pond (10);
The bottom surface of described planting bed (9) and described overcurrent purifying pond (10) is all lower than described water inlet (2) bottom.
16. Combined rainwater diafiltration tree according to claim 8 ponds, is characterized in that,
At the bottom of the pond of described planting bed (9) and described overcurrent purifying pond (10), be engraved structure.
17. Combined rainwater diafiltration tree according to claim 6 ponds, is characterized in that, also comprise:
Be arranged in described two planting beds (9) away from the multistage overfall (11) in the planting bed (9) of described forebay (19);
Wherein, the bottom overfall of described multistage overfall (11) is higher than described planting bed (9) bottom surface, and the top overfall of described multistage overfall (11) is lower than the bottom of described water inlet (2).
18. Combined rainwater diafiltration tree according to claim 17 ponds, is characterized in that, also comprise,
Gutter (15), described gutter (15) has entrance and exit;
Wherein, the entrance of described gutter (15) is communicated in the bottom of described multistage overfall (11), and the outlet of described gutter (15) is communicated in urban drainage pipeline system.
19. Combined rainwater diafiltration tree according to claim 17 ponds, is characterized in that, also comprise:
Abandoned stream pipe (7), has entrance and exit;
Wherein, the entrance of described abandoned stream pipe (7) is positioned at the bottom sidewall of described abandoned stream chamber (4) and is communicated with described abandoned stream chamber (4) fluid, and the outlet of described abandoned stream pipe (7) is communicated with described multistage overfall (11) fluid.
20. Combined rainwater diafiltration tree according to claim 17 ponds, is characterized in that,
Described forebay (19), described planting bed (9), described overcurrent purifying pond (10) and described multistage overfall (11) are the integral piece of concrete cast-in-situ moulding.
21. Combined rainwater diafiltration tree according to claim 1 ponds, is characterized in that, also comprise:
Be arranged at the baffle (1) in described water inlet (2) outside, the upper surface of described baffle (1) is set to the inclined-plane tilting towards described water inlet (2).
22. Combined rainwater diafiltration tree according to claim 1 ponds, is characterized in that,
Arrange and ooze comb in the bottom in described Combined rainwater diafiltration tree pond.
CN201410328452.2A 2014-07-10 2014-07-10 Combined rainwater diafiltration tree pond Active CN104141346B (en)

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CN104532942A (en) * 2014-11-28 2015-04-22 北京仁创生态环保科技有限公司 Rainwater purification tree box system
CN105794523A (en) * 2016-04-11 2016-07-27 重庆大学 Tree pool device with rainwater infiltration, storage and purification functions
CN106638916A (en) * 2016-11-04 2017-05-10 重庆大学 Modular rainwater collection pipeline device for sponge cities
CN107245020A (en) * 2017-06-05 2017-10-13 绿地集团森茂园林有限公司 Controlled Release Fertilizer and the tree pond using the Controlled Release Fertilizer
CN110574662A (en) * 2019-09-24 2019-12-17 六安市兆丰商贸有限责任公司 White peach is planted and uses high-efficient watering device

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CN203152103U (en) * 2013-01-18 2013-08-28 北京建筑工程学院 Ecological tree pond
CN103548601A (en) * 2013-10-25 2014-02-05 北京建筑大学 Tree pool and method for filtering runoff rainwater through tree pool

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US20130213869A1 (en) * 2009-12-22 2013-08-22 Kristar Enterprises, Inc. Fixture Cells for Bioretention Systems
CN103088896A (en) * 2013-01-10 2013-05-08 朱加林 Ecological road shock resistance rainwater utilization system
CN203152103U (en) * 2013-01-18 2013-08-28 北京建筑工程学院 Ecological tree pond
CN103548601A (en) * 2013-10-25 2014-02-05 北京建筑大学 Tree pool and method for filtering runoff rainwater through tree pool

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Publication number Priority date Publication date Assignee Title
CN104532942A (en) * 2014-11-28 2015-04-22 北京仁创生态环保科技有限公司 Rainwater purification tree box system
CN105794523A (en) * 2016-04-11 2016-07-27 重庆大学 Tree pool device with rainwater infiltration, storage and purification functions
CN105794523B (en) * 2016-04-11 2019-05-21 重庆大学 It is a kind of to seep the tree pool device for storing purification function with rainwater
CN106638916A (en) * 2016-11-04 2017-05-10 重庆大学 Modular rainwater collection pipeline device for sponge cities
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CN107245020A (en) * 2017-06-05 2017-10-13 绿地集团森茂园林有限公司 Controlled Release Fertilizer and the tree pond using the Controlled Release Fertilizer
CN110574662A (en) * 2019-09-24 2019-12-17 六安市兆丰商贸有限责任公司 White peach is planted and uses high-efficient watering device

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