CN213296562U - Drainage device for roof rainwater entering peripheral bioretention pond - Google Patents

Abstract

The utility model discloses a roofing rainwater gets into drainage device in peripheral biological detention pond, include: a rainwater intercepting ditch and a biological detention pond; and the drainage outlet pipe is communicated with the left side of the rainwater intercepting ditch, and the right side of the rainwater intercepting ditch is communicated with a drainage transverse pipe. The utility model relates to a biological detention pond technical field. This drainage device in roofing rainwater entering peripheral biological detention pond, go out household pipe and drainage riser cooperation setting through the drainage, it constitutes to change rainwater pipeline into two parts, bottom when the pipeline is located takes place to subside for backfilling the place, because two pipelines are not integrative setting, when taking place to subside, through the relative motion between the two, and the harm of shear force to the pipeline has been reduced, and it has the flexible filler to fill in the junction of two pipelines, when playing sealed effect, utilize the elasticity of flexible filler, and can keep the connection performance between the pipe section effectively, thereby guarantee that the rainwater can enter into biological detention pond through the pipeline in.

Description

Drainage device for roof rainwater entering peripheral bioretention pond

Technical Field

The utility model relates to a biological drainage device that is detained pond technical field, specifically is a roofing rainwater gets into peripheral biological drainage device that is detained pond.

Background

The bioretention pond is a facility for storing, permeating and purifying runoff rainwater through a plant, soil and microorganism system in a lower region, and can be divided into a simple bioretention pond and a complex bioretention pond, which are also called as a rainwater garden, a bioretention zone, a high-position flower bed, an ecological tree pond and the like according to different application positions.

Among the prior art, biological detention pond can with roofing rainwater pipeline intercommunication, realize utilizing the collection of rainwater, and when roofing rainwater pipeline was in the place that forms through backfilling, because its soil horizon inside has not accomplished the dead weight and has concreted yet, though having handled the ground but still can take place to subside, when the uneven settlement volume of outdoor earth's surface is great, outdoor pipeline very easily receives uneven settlement and produces shear force and destroys, and then leads to the rainwater can not enter into biological detention pond through the pipeline.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a roofing rainwater gets into drainage device in peripheral biological delay pond has solved the outdoor pipeline of current roofing rainwater and has been in when backfilling the place that forms for outdoor pipeline very easily receives inhomogeneous settlement and produces shear force and destroys, and then leads to the rainwater can not enter into the problem in the biological delay pond through the pipeline.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a drainage device for roof rainwater entering a peripheral bioretention pond comprising:

a rainwater intercepting ditch and a biological detention pond;

the drainage outlet pipe is communicated with the left side of the rainwater intercepting ditch, the right side of the rainwater intercepting ditch is communicated with a transverse drainage pipe, the top end of the drainage outlet pipe is communicated with a vertical drainage pipe through a connecting elbow, and flexible filler is filled between the connecting elbow and the vertical drainage pipe;

furthermore, the overflow vertical pipe well is communicated with the bottom of the rainwater intercepting ditch, perforated pipes are arranged inside the overflow vertical pipe well, and permeable layers are arranged on the left side and the right side of the bottom of the inner wall of the rainwater intercepting ditch.

Further, the rainwater intercepting ditch and the biological detention pond are both arranged in the ground bottom, and one end of the horizontal drainage pipe is communicated with the left side of the biological detention pond.

Furthermore, a water leakage cover is arranged at the top of the rainwater intercepting ditch, and the rainwater intercepting ditch is arranged on the right side of the biological detention pond.

Further, be provided with the inoxidizing coating structure on the inner wall in biological detention pond, the inoxidizing coating structure includes the basic unit, the top and the bottom of basic unit are provided with the bearing layer.

Furthermore, a bearing hole is formed in the bearing layer, and an anti-seepage layer is arranged on one side of the bearing layer.

Further, the thickness ratio of the base layer, the bearing layer and the permeation-prevention layer is 2:2: 1.

Compared with the prior art, the beneficial effects of the utility model are that:

this drainage device in roofing rainwater entering peripheral biological detention pond, go out household pipe and drainage riser cooperation setting through the drainage, change rainwater pipeline into two parts and constitute, when the bottom that the pipeline was located takes place to subside for backfilling the place, because two pipelines are not integrative setting, when taking place to subside, through relative motion between the two, and the harm of shear force to the pipeline has been reduced, and it has the flexible filler to fill in the junction of drainage riser and connecting elbow, when playing sealed effect, utilize the elasticity of flexible filler, can also guarantee two pipelines and guarantee inseparable laminating between the two all the time when taking place relative motion, avoid the inside smell of pipeline to spill, and can keep the connectivity between the pipe section effectively, thereby guarantee that the rainwater can enter into biological detention pond through the pipeline.

Drawings

Fig. 1 is a schematic structural view of a first embodiment of a drainage device for roof rainwater to enter a peripheral bioretention pond provided by the utility model;

fig. 2 is a schematic structural view of a second embodiment of a drainage device for roof rainwater to enter a peripheral bioretention pond provided by the utility model;

fig. 3 is a schematic structural diagram of the interior of the protective layer structure of fig. 2.

In the figure: 1-rainwater intercepting ditch, 2-biological detention pool, 3-drainage outlet pipe, 4-drainage transverse pipe, 5-connecting elbow, 6-drainage vertical pipe, 7-flexible filler, 8-overflow vertical pipe well, 9-perforated pipe, 10-permeable layer, 11-water leakage cover, 12-soil layer, 13-wall body, 14-protective layer structure, 141-base layer, 142-bearing layer, 143-bearing hole and 144-permeable layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: a drainage device for roof rainwater entering a peripheral bioretention pond comprising:

a rainwater intercepting ditch 1 and a biological detention pond 2;

the drainage outlet pipe 3 is communicated with the left side of the rainwater intercepting ditch 1, the right side of the rainwater intercepting ditch 1 is communicated with a horizontal drainage pipe 4, the top end of the drainage outlet pipe 3 is communicated with a vertical drainage pipe 6 through a connecting elbow 5, and a flexible filler 7 is filled between the connecting elbow 5 and the vertical drainage pipe 6;

the rainwater intercepting ditch comprises an overflow vertical pipe well 8, wherein the overflow vertical pipe well 8 is communicated with the bottom of the rainwater intercepting ditch 1, a perforated pipe 9 is arranged inside the overflow vertical pipe well 8, and the left side and the right side of the bottom of the inner wall of the rainwater intercepting ditch 1 are provided with permeable layers 10.

The rainwater intercepting ditch 1 and the biological detention pond are both arranged underground, the depth of the rainwater intercepting ditch 1 needs to be ensured to be not more than 1.5m, and the biological detention pond 2 can be arranged into structures such as a rainwater garden and a penetration pond according to specific conditions;

the drainage outlet pipe 3 is horizontally arranged underground, the gradient is not less than 3%, two connecting ends of the connecting elbow 5 are respectively bent at forty-five degrees, the drainage vertical pipe 6 and the drainage outlet pipe 3 can be combined into an L shape, the top end of the drainage vertical pipe 6 extends from underground to the ground surface and is communicated with a roof drainage pipe, rainwater on a roof enters the drainage vertical pipe 6 from the drainage pipe during raining, then enters the drainage outlet pipe 3 from the drainage vertical pipe 6, and finally is guided into the rainwater intercepting ditch 1 from the drainage outlet pipe 3, the drainage vertical pipe 6 is one step smaller than the connecting elbow 5, the drainage vertical pipe 6 can be inserted into the connecting elbow 5, the flexible filler 7 is uniformly filled at the connecting part of the drainage vertical pipe 6 and the connecting elbow 5, and the drainage vertical pipe 6 is required to be kept at the middle position inside the connecting elbow 5;

the rainwater pipeline is changed into two parts by matching the drainage outlet pipe 3 with the drainage vertical pipe 6, when the bottom layer of the pipeline is a backfill field and subsides, because the two pipelines are not arranged integrally, when the subsidence occurs, the damage of shearing force to the pipelines is reduced by the relative motion between the two pipelines, and the flexible filler 7 is filled at the joint of the drainage vertical pipe 6 and the connecting elbow 5, so that the two pipelines can be ensured to be tightly attached all the time when the relative motion occurs by utilizing the elasticity of the flexible filler while the sealing effect is achieved, the odor in the pipelines is prevented from being released, and the connection performance between the pipeline sections can be effectively maintained, thereby ensuring that rainwater can enter the biological retention tank 2 through the pipelines;

overflow vertical pipe well 8 is formed by concrete placement, 1 internal partitioning of rainwater catch basin is the runner of U type, reduce the flow and the velocity of flow of rainwater, permeable bed 10 is located between overflow vertical pipe well 8 and the 1 inner wall of rainwater catch basin, permeable bed 10 comprises the permeable material, can prevent that aquatic impurity from blockking up perforated pipe 9, the rainwater passes through permeable bed 10 and gets into to perforated pipe 9's inside by the round hole on perforated pipe 9 surface, finally discharge the rainwater to outdoor downspout, realize the circulation of rainwater.

The rainwater intercepting ditch 1 and the biological detention pond 2 are arranged in the ground bottom, and one end of the horizontal drainage pipe 4 is communicated with the left side of the biological detention pond 2.

The slope of violently managing 4 of drainage is not less than 3%, and when the water level of rainwater rose gradually to the horizontal pipe 4 department of drainage in rainwater catch basin 1, the rainwater can be violently managed 4 by this drainage and enters into biological detention pond 2, and violently manage 4 one end that is located biological detention pond 2 inside at the drainage and can be shielded with the geotechnological cloth that permeates water of package, utilizes view stone collocation plant.

The top of the rainwater intercepting ditch 1 is provided with a water leakage cover 11, and the rainwater intercepting ditch 1 is arranged on the right side of the biological detention pond 2.

The water leakage cover 11 can guide rainwater on the ground surface into the rainwater intercepting ditch 1 and drain the rainwater on the ground timely.

The working principle is as follows:

when raining, rainwater on the roof enters the vertical drainage pipe 6 through the drainage pipe, then enters the vertical drainage pipe 3 through the vertical drainage pipe 6, is finally guided into the rainwater intercepting ditch 1 through the vertical drainage pipe 3, passes through the permeable layer 10 and enters the perforated pipe 9 through a round hole on the surface of the perforated pipe 9, and is finally discharged into an outdoor rainwater pipe, so that the circulation of the rainwater is realized, when the water level of the rainwater in the rainwater intercepting ditch 1 gradually rises to the horizontal drainage pipe 4, the rainwater can enter the biological retention pond 2 through the horizontal drainage pipe 4, wherein the vertical drainage pipe 3 and the vertical drainage pipe 6 are matched, the rainwater pipeline is changed into two parts, when the bottom layer of the pipeline is a backfill site and is settled, because the two pipelines are not integrally arranged, when the settlement occurs, the damage of the shear force to the pipeline is reduced through the relative movement between the two pipelines, and the joint of two pipelines is filled with flexible filler 7, playing the sealed effect simultaneously, utilizing the elasticity of flexible filler, can also guarantee two pipelines and guarantee the inseparable laminating between them all the time when taking place relative motion, avoid the inside smell effluvium of pipeline to can keep the connection performance between the pipe section effectively, thereby guarantee that the rainwater can enter into biological detention pond 2 through the pipeline.

Second embodiment

Referring to fig. 2-3, a second embodiment of the present invention provides another drainage device for roof rainwater to enter a peripheral bioretention pond, wherein the second embodiment does not hinder the independent implementation of the technical solution of the first embodiment.

Specifically, the utility model provides a drainage device difference that another kind of roofing rainwater got into peripheral bioretention pond lies in:

be provided with the inoxidizing coating structure 14 on the inner wall of biological detention pond 2, inoxidizing coating structure 14 includes basic unit 141, the top and the bottom of basic unit 141 are provided with bearing layer 142.

The protective layer structure 14 is used for effectively protecting the inner wall of the biological retention pond 2, the base layer 141 is graded gravel material and geotextile, and the bearing layer 142 is made of silicon dioxide, so that the biological retention pond 2 has good pressure resistance by utilizing the outstanding pressure resistance.

The bearing layer 142 is provided with a bearing hole 143 inside, and one side of the bearing layer 142 is provided with an anti-permeation layer 144.

Bearing hole 143 evenly distributed is at the inside intermediate position of bearing layer 142, for the arc setting, utilizes the good physics compressive property of arc, further increases bearing layer 142's bearing capacity, and prevention of seepage permeable layer 144 has outstanding anti-permeability, can avoid the inside rivers play of biological detention pond 2, can also avoid external water to get into simultaneously.

The thickness ratio of the base layer 141, the bearing layer 142 and the permeation prevention layer 144 is 3:1: 1.

The base layer 141, the bearing layer 142 and the permeation prevention layer 144 can be adapted according to actual conditions;

through setting up this inoxidizing coating structure 14, play effectual guard action to biological detention pond 4 for 4 inner walls in biological detention pond also can remain stable state under receiving gravity for a long time, can not appear damaging easily, and then the life in extension biological detention pond 2, the different service environment of adaptation that can be fine.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a drainage device that roofing rainwater got into peripheral bioretention pond which characterized in that includes:

a rainwater intercepting ditch (1) and a biological detention pond (2);

the drainage outlet pipe (3) is communicated with the left side of the rainwater intercepting ditch (1), the right side of the rainwater intercepting ditch (1) is communicated with a drainage transverse pipe (4), the top end of the drainage outlet pipe (3) is communicated with a drainage vertical pipe (6) through a connecting elbow (5), and a flexible filler (7) is filled between the connecting part of the connecting elbow (5) and the drainage vertical pipe (6);

overflow vertical pipe well (8), overflow vertical pipe well (8) communicate in the bottom of rainwater catch basin (1), the inside of overflow vertical pipe well (8) is provided with perforated pipe (9), the left and right sides of rainwater catch basin (1) inner wall bottom all is provided with permeable stratum (10).

2. A drainage device for roof rainwater to enter a peripheral bioretention pond according to claim 1 wherein: the rainwater intercepting ditch (1) and the biological detention pond (2) are arranged in the ground bottom, and one end of the horizontal drainage pipe (4) is communicated with the left side of the biological detention pond (2).

3. A drainage device for roof rainwater to enter a peripheral bioretention pond according to claim 1 wherein: the top of the rainwater intercepting ditch (1) is provided with a water leakage cover (11), and the rainwater intercepting ditch (1) is arranged on the right side of the biological detention pond (2).

4. A drainage device for roof rainwater to enter a peripheral bioretention pond according to claim 1 wherein: be provided with inoxidizing coating structure (14) on the inner wall of biological detention pond (2), inoxidizing coating structure (14) include basic unit (141), the top and the bottom of basic unit (141) are provided with bearing layer (142).

5. A drainage device for roof rainwater to enter a peripheral bioretention pond according to claim 4 wherein: the bearing layer (142) is internally provided with a bearing hole (143), and one side of the bearing layer (142) is provided with an anti-seepage layer (144).

6. A drainage device for roof rainwater to enter a peripheral bioretention pond according to claim 5 wherein: the thickness ratio of the base layer (141), the bearing layer (142) and the permeation prevention layer (144) is 2:2: 1.

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