CN211620086U

CN211620086U - Assembled biological detention module suitable for rainwater is handled

Info

Publication number: CN211620086U
Application number: CN201922470189.1U
Authority: CN
Inventors: 龚希博; 王敏敏; 王左; 蔡曼
Original assignee: Suzhou Huicheng Zhitong Technology Co ltd
Current assignee: Suzhou Huicheng Zhitong Technology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-10-02
Anticipated expiration: 2029-12-31

Abstract

The utility model relates to an assembled biological delay module suitable for rainwater is handled, it includes that the rainwater that arranges according to the preface by left side looks right side collects room, vegetation room and water purification detection room. A rainwater filtering module is arranged in the rainwater collecting chamber. A plant planting soil layer, a water storage layer, a secondary rainwater filtering layer and a concrete pool wall layer are sequentially arranged in the plant growing chamber. In addition, an overflow pipe assembly is also arranged in the plant growing chamber. The rainwater filtering module is connected with the overflow pipe assembly. The overflow pipe assembly includes a second pipe and a third pipe. The second pipeline is horizontally semi-sunk on the wall layer of the concrete pool, and the outlet of the second pipeline is communicated with the clean water detection chamber. The third pipeline is connected to the second pipeline and extends upwards until the third pipeline goes beyond the plant planting soil layer. A water seepage seam is arranged on the side wall of the third pipeline corresponding to the secondary rainwater filtering layer area. Therefore, the drainage capacity in unit time is effectively increased, and the phenomenon of water accumulation in the plant growing chamber is avoided.

Description

Assembled biological detention module suitable for rainwater is handled

Technical Field

The utility model belongs to the technical field of the rainwater processing technique and specifically relates to an assembled bioretention module suitable for rainwater is handled.

Background

Bioretention is one of the most widely used low impact development facilities. The bioretention module is that plants are planted in shallow low-lying area, and retention, purification, infiltration and discharge are carried out to the rainwater of little catchment face through the plant and soil interaction. On the other hand, the construction of 'sponge cities' is vigorously promoted in China, and clear requirements are provided for land development on the aspect of annual runoff total control rate. Plants serve as an important component of the bioretention module and rational plant selection is the key to the ability of the storm water facility to perform better and maintain its function for a long period of time. The plant plays crucial effect to the performance of rainwater facility function, and plant roots can purify the pollutant that carries in the rainwater runoff through the mutual absorption between with soil, the water environment is protected, and plant stem, leaf, root system are detained and are permeated the rainwater, reduce rainwater runoff and slow down the velocity of flow.

In the prior art, from top to bottom, the plant growth chamber sequentially comprises a plant planting soil layer, a water storage layer, a secondary rainwater filtering layer and a concrete pond wall layer. The overflow pipe connected with the purified water detection chamber is semi-sunk and fixed on the wall layer of the concrete pool, and a water seepage seam is arranged on the pipe wall (corresponding to one side of the secondary rainwater filtering layer) so as to facilitate the rainwater filtered by the plant root system to flow back to the purified water detection chamber (as shown in figure 1). However, in the actual use process, the water discharge speed of the overflow pipe cannot meet the actual requirement, so that rainwater in the plant planting soil layer cannot be timely discharged to generate a water accumulation phenomenon, and the normal growth of plants is affected. The solution of increasing the diameter of the overflow pipe or increasing the size and density of the water seepage gap is not feasible and even causes other problems. Thus, a skilled person is urgently needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a structural design is simple, prevents vegetation room ponding phenomenon effectively and takes place, and low in construction cost is applicable to the assembled bioretention module that the rainwater was handled.

In order to solve the technical problem, the utility model relates to an assembled biological delay module suitable for rainwater is handled, it includes by left right according to the preface arranged rainwater collection room, vegetation room and water purification detection room. A rainwater filtering module is arranged in the rainwater collecting chamber. Along from top to bottom direction, plant growing indoor is provided with plant planting soil horizon, water storage layer, secondary rainwater filter layer and concrete pond wall layer according to the preface. In addition, an overflow pipe assembly is also arranged in the plant growing chamber. The rainwater filtering module is communicated with the overflow pipe assembly by means of the first pipeline. The overflow pipe assembly includes a second pipe and a third pipe. The second pipeline is horizontally semi-sunk and fixed on the wall layer of the concrete pool, and the outlet of the second pipeline is communicated with the clean water detection chamber. The third pipeline is connected to the second pipeline and extends upwards until the third pipeline goes beyond the plant planting soil layer. Just correspond secondary rainwater filtering layer region, seted up first water permeability seam on the lateral wall of third pipeline. The number of the first water seepage seams is set to be a plurality, and the first water seepage seams are linearly arrayed along the length direction of the third pipeline. An exhaust port is arranged on the top end surface of the third pipeline. The number of the third pipelines is at least 2, and the third pipelines are mutually fixed on the second pipelines in a side-by-side and equidistant mode.

As a further improvement of the technical solution of the present invention, the overflow pipe assembly further includes a fourth pipe. The fourth pipeline is horizontally arranged right above the second pipeline and is communicated between two adjacent third pipelines. And a second water seepage seam is formed on the side wall of the fourth pipeline.

As a further improvement of the technical proposal of the utility model, the overflow pipe component also comprises a capillary pipeline. The capillary pipeline is arranged in the secondary rainwater filtering layer and communicated with the third pipeline or the fourth pipeline.

As a further improvement of the technical solution of the present invention, the overflow pipe assembly further includes a pipe joint for connecting the second pipe and the third pipe and connecting the third pipe and the fourth pipe.

As the utility model discloses technical scheme's further improvement, the lid is equipped with first cast iron well lid directly over the room is collected to the rainwater. And a second cast iron well cover is covered and arranged right above the purified water detection chamber.

Compare in the bioretention module that is applicable to rainwater and handles of traditional project organization the utility model discloses an among the technical scheme, adopt violently pipe (second pipeline promptly) and standpipe (third pipeline promptly) crisscross each other, and the infiltration seam is seted up on the standpipe to increased the drainage ability in the unit interval effectively, ensured that the rainwater is discharged smoothly, in time by secondary rainwater filter layer, and then avoided the emergence of plant planting soil horizon ponding phenomenon, ensured that the plant has good growth situation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a longitudinal sectional view of a prior art bioretention module suitable for storm water treatment.

Fig. 2 is a longitudinal sectional view of a fabricated bioretention module suitable for use in rainwater treatment according to the present invention.

Fig. 3 is a plan view of the fabricated bioretention module of the present invention as applied to rainwater treatment.

1-a rainwater collection chamber; 11-a rainwater filtration module; 12-a first conduit; 13-a first cast iron well cover; 2-a plant growing chamber; 21-a plant growing soil layer; 22-an aquifer; 23-secondary rainwater filtration layer; 24-concrete pool wall layer; 25-an overflow pipe assembly; 251-a second conduit; 252-a third conduit; 2521-first water-permeable seam; 2522-an exhaust port; 253-a fourth conduit; 2531-second water seepage seam; 254-capillary channels; 255-a pipe joint; 3-a clean water detection chamber; 31-second cast iron well lid.

Detailed Description

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

The contents of the present invention will be described in further detail with reference to the following embodiments, and fig. 2 and 3 show a longitudinal sectional view and a plan view of the assembled bioretention module for rainwater treatment according to the present invention, respectively, and it can be seen that the module is mainly composed of a rainwater collection chamber 1, a plant growth chamber 2, a purified water detection chamber 3, etc., and is arranged in order from left to right (as shown in fig. 3). Wherein, a rainwater filtering module 11 is arranged in the rainwater collecting chamber 1. In the plant growth chamber 2, a plant-growing soil layer 21, a water storage layer 22, a secondary rainwater filtration layer 23, and a concrete pond wall layer 24 are sequentially disposed along the top-down direction. In addition, an overflow pipe assembly 25 is further provided in the plant growth chamber 2. The rainwater filtering module 11 is communicated with the overflow pipe assembly 25 by means of the first pipe 12, so as to guide the rainwater treated by the rainwater filtering module 11 to the clean water detecting chamber 3 in time. The overflow pipe assembly 25 includes a second pipe 251 and a third pipe 252. The second pipe 251 is horizontally semi-submerged and fixed on the concrete pool wall layer 24, and its outlet is communicated with the clean water detection chamber 3. Third conduit 252 is adjoined by second conduit 251, which extends upwardly beyond plant growing soil layer 21. A first water-seepage seam 2521 is arranged on the side wall of the third pipeline 252 corresponding to the secondary rainwater filtering layer area 23. The first water-permeating slits 2521 are provided in plural number and are linearly arrayed along the length direction of the third conduit 252. An exhaust port 2522 is opened on the distal end surface of the third pipe 252. The number of the third pipelines 252 is at least 2, and the third pipelines are mutually fixed on the second pipeline 251 side by side at equal intervals, so that the drainage capacity in unit time is effectively increased, the first water seepage seams 2521 are arranged in the secondary rainwater filter layer 23, the drainage balance of all areas is improved to a certain extent, the rainwater is further ensured to be smoothly and timely discharged from the secondary rainwater filter layer 23, the phenomenon of water accumulation of a plant planting soil layer is avoided, and the plants are ensured to have good growth situation.

As a further optimization of the above-described structure of the fabricated bioretention module for rainwater treatment, the overflow pipe assembly 25 further includes a fourth pipe 253. The fourth pipe 253 is horizontally disposed right above the second pipe 251 and is communicated between two adjacent third pipes 252 (as shown in fig. 2). And a second water seepage seam 2531 is arranged on the side wall of the fourth pipeline 253. Therefore, on one hand, the fixing stability of the third pipeline 252 is effectively improved, and the self verticality of the third pipeline in the subsequent practical application process is ensured; on the other hand, the addition of the second water-seepage slit 2531 may further enhance the drainage capability of the overflow pipe assembly 25.

Of course, a capillary channel 254 may also be added for the same design purpose. The capillary tube 254 is also built in the secondary rainwater filter layer 23 and communicates with the third tube 252 or the fourth tube 253 (as shown in fig. 2).

In view of securing the reliability of connection of the respective pipes in the overflow pipe assembly 25, improving the efficiency of construction, and facilitating the subsequent maintenance, the second pipe 251 and the third pipe 252, and the third pipe 252 and the fourth pipe 253 are connected by means of pipe joints 255 (shown in fig. 2).

Furthermore, a first cast iron well cover 13 can be covered right above the rainwater collection chamber 1. The second cast iron well cover 31 (as shown in fig. 2) is covered over the purified water detection chamber 3, so that the falling phenomenon of pedestrians is effectively avoided, and the personal safety of the pedestrians is ensured.

Finally, the first pipe 21, the second pipe 251, the third pipe 252, the fourth pipe 253, the capillary pipe 254, and the pipe joint 255 are all made of plastic pipes with high corrosion resistance.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An assembled bioretention module suitable for rainwater treatment is characterized by comprising a rainwater collection chamber, a plant growth chamber and a purified water detection chamber which are sequentially arranged from left to right; a rainwater filtering module is arranged in the rainwater collecting chamber; a plant planting soil layer, a water storage layer, a secondary rainwater filtering layer and a concrete pool wall layer are sequentially arranged in the plant growing chamber along the direction from top to bottom; in addition, an overflow pipe assembly is also arranged in the plant growing chamber; the rainwater filtering module is communicated with the overflow pipe assembly by means of a first pipeline; the overflow pipe assembly comprises a second pipe and a third pipe; the second pipeline is horizontally semi-submerged and fixed on the wall layer of the concrete pool, and the outlet of the second pipeline is communicated with the purified water detection chamber; the third pipeline is connected to the second pipeline and extends upwards until the third pipeline exceeds the plant planting soil layer; a first water seepage seam is formed on the side wall of the third pipeline, which corresponds to the secondary rainwater filtering layer area; the number of the first water seepage seams is set to be a plurality, and the first water seepage seams are linearly arrayed along the length direction of the third pipeline; an exhaust port is formed in the top end face of the third pipeline; the number of the third pipelines is at least 2, and the third pipelines are mutually fixed on the second pipeline in parallel at equal intervals.

2. The fitted bioretention module for use in stormwater treatment according to claim 1 wherein the overflow pipe assembly further includes a fourth pipe; the fourth pipeline is horizontally placed right above the second pipeline and is communicated between two adjacent third pipelines; and a second water seepage seam is formed on the side wall of the fourth pipeline.

3. A fabricated bioretention module according to claim 2 wherein the overflow assembly further includes a capillary channel; the capillary pipeline is arranged in the secondary rainwater filtering layer and communicated with the third pipeline or the fourth pipeline.

4. A fitted bioretention module according to claim 3 wherein the overflow pipe assembly further includes pipe couplings for effecting connection between the second and third pipes and the third and fourth pipes.

5. The fabricated bioretention module for rainwater treatment according to claim 1 wherein a first cast iron well lid is covered directly above the rainwater collection chamber; and a second cast iron well cover is covered and arranged right above the purified water detection chamber.