CN212896760U

CN212896760U - Drainage system in sponge city

Info

Publication number: CN212896760U
Application number: CN202020910376.7U
Authority: CN
Inventors: 吴嫣昊
Original assignee: Wuhan Tsgreencity Technology Co ltd
Current assignee: Wuhan Tsgreencity Technology Co ltd
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2021-04-06
Anticipated expiration: 2030-05-26

Abstract

The utility model discloses a drainage system of a sponge city, which comprises a filtering device, a drainage device and an impurity storage device; the filtering device is positioned above the drainage device and is connected with the drainage device through a bolt, the impurity storage device is positioned at one side of the filtering device and is connected with the filtering device in a sliding way, and a through hole is formed between the filtering device and the impurity storage device; the filtering device is internally provided with a hollow cavity, the filtering device is sequentially provided with a filtering sand layer and a permeable geotextile layer from top to bottom, the filtering sand layer and the permeable geotextile layer are arranged at intervals, one end of the filtering sand layer and one end of the permeable geotextile layer are connected with the lower part of the through hole, and the other end of the filtering sand layer and the other end of the permeable geotextile layer are connected with the inner wall of the filtering device; the bottom of the impurity storage device is provided with a water filtering layer, and the bottom of the water filtering layer is connected with the drainage device through a pipeline. The utility model provides a pair of drainage system in sponge city is favorable to clearing up the impurity in the drainage system, increases drainage system's life.

Description

Drainage system in sponge city

Technical Field

The utility model belongs to the technical field of drainage system technique and specifically relates to a drainage system in sponge city is related to.

Background

The sponge city is constructed into a sponge-like city which can absorb, store, seep and purify water, and dissolve natural disasters caused by rainwater, so that the sponge city becomes a water-elastic city which can be freely folded and unfolded. The sponge city is not built by weight, the traditional drainage system is replaced, the burden of the traditional drainage system is reduced and supplemented, and the function of the city is exerted to the greatest extent.

Traditional drainage device, the drainage rainwater relies on urban drainage pipe, and water resource utilization rate is low, the phenomenon that always appears meeting rain and unnecessarily waterlogging. What sponge city was noted is make full use of hydrologic cycle, solves the city problem of lack of water, and priority when promoting urban drainage leaves limited rainwater, utilizes artificial installation water guide drainage, realizes that natural accumulation, natural infiltration. However, the filtering device in the drainage system in the prior art is inconvenient for cleaning the filtered impurities, and the service life of the drainage system is influenced.

Therefore, a new technical solution capable of solving the problem of inconvenient impurity cleaning of the drainage system is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned technique not enough, provide a sponge city drainage system, solve among the prior art inconvenient technical problem of drainage system impurity clearance.

In order to achieve the technical purpose, the technical scheme of the utility model provides a drainage system of a sponge city, which comprises a filtering device, a drainage device and an impurity storage device; the filtering device is positioned above the drainage device and is connected with the drainage device through bolts; the impurity storage device is positioned on one side of the filtering device and is in sliding connection with the outer side part of the filtering device; a through hole is formed between the filtering device and the impurity storage device; the filter device is internally provided with a hollow cavity, the filter device is sequentially provided with a filtering sand layer and a permeable geotextile layer from top to bottom, the filtering sand layer and the permeable geotextile layer are arranged at intervals, one end of the filtering sand layer and one end of the permeable geotextile layer are connected with the lower part of the through hole, and the other end of the filtering sand layer and the other end of the permeable geotextile layer are connected with the inner wall of the filter device; the bottom of the impurity storage device is provided with a water filtering layer, and the bottom of the water filtering layer is connected with the drainage device through a pipeline.

Preferably, the filtering sand layer and the permeable geotextile layer are obliquely arranged in the filtering device, and one side of the filtering sand layer and the permeable geotextile layer close to the impurity storage device is lower than one side of the filtering sand layer and the permeable geotextile layer far away from the impurity storage device.

Preferably, the top of the filtering device is provided with a cover plate, and the cover plate is provided with a hole.

Preferably, the bottom of the impurity storage device and the bottom of the filtering device are positioned at the same horizontal plane.

Compared with the prior art, the utility model discloses a drainage system includes filter equipment, drainage device and impurity storage device, impurity storage device sets up at the filter equipment side, filter equipment will filter the sand bed and pass through in the impurity that water geotechnological cloth layer filtered off stored impurity storage device through the through-hole, prevent that filter equipment from leading to the rainwater can't pass through because of a large amount of impurity jam, prevent that drainage system from losing effect, impurity storage device and filter equipment sliding connection simultaneously, the slip direction is vertical direction, impurity storage device can dismantle and take out, with the impurity clearance in the impurity storage device, make things convenient for the workman to clear up the impurity in the drainage system, be favorable to improving drainage system's life.

Drawings

Fig. 1 is a schematic perspective view of a drainage system of a sponge city according to the present invention;

fig. 2 is the internal structure schematic diagram of the drainage system of the sponge city of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The utility model provides a drainage system 100 of a sponge city, as shown in figure 1-2, comprising a filtering device 1, a drainage device 2 and an impurity storage device 3; the filter device 1 is positioned above the drainage device 2 and is in bolted connection with the drainage device 2; the impurity storage device 3 is positioned on one side of the filtering device 1 and is in sliding connection with the outer side part of the filtering device 1; a through hole 32 is arranged between the filtering device 1 and the impurity storage device 3; the filtering device 1 is internally provided with a hollow cavity, the filtering device 1 is sequentially provided with a filtering sand layer 11 and a permeable geotextile layer 12 from top to bottom, the filtering sand layer 11 and the permeable geotextile layer 12 are arranged at intervals, one end of the filtering sand layer 11 and one end of the permeable geotextile layer 12 are connected with the lower part of the through hole 32, and the other end of the filtering sand layer 11 and the other end of the permeable geotextile layer 12 are connected with the inner wall of the filtering device 1; the bottom of the impurity storage device 3 is provided with a water filtering layer 31, and the bottom of the water filtering layer 31 is connected with the drainage device 2 through a pipeline 21.

Compared with the prior art, the utility model discloses a drainage system 100 includes filter equipment 1, drainage device 2 and impurity storage device 3, impurity storage device 3 sets up at filter equipment 1 side, filter equipment 1 will filter sand layer 11 and permeate water geotechnological cloth layer 12 and filter out impurity in storing impurity storage device 3 through-hole 32, prevent that filter equipment 1 from leading to the rainwater unable passing through because of a large amount of impurity jam, prevent that drainage system from losing effect, impurity storage device 3 and filter equipment 1 sliding connection simultaneously, the slip direction is vertical direction, impurity storage device 3 can dismantle and take out, clear up the impurity in the impurity storage device 3, make things convenient for the workman to clear up 100 impurity in the drainage system, be favorable to improving drainage system 100's life. Be provided with in filter equipment 1 and filter sand bed 11 and the geotechnological cloth layer 12 that permeates water, set up and filter sand bed can 11 filter the great grit of granule, the geotechnological cloth layer 12 that permeates water further filters the water of the last one deck of flowing through, stores impurity storage device with impurity through the through-hole, prevents that the rivers that contain the soil material from going into drainage device 2, then gets into the cistern to guarantee the cleanness in the cistern and sparingly clear up the cost of silt. The utility model discloses a filter sand layer can be the stainless steel net or the net of nylon wire material of filtering the grit.

The filtering sand layer 11 and the permeable geotextile layer 12 are obliquely arranged in the filtering device 1, and one side of the filtering sand layer 11 and the permeable geotextile layer 12 close to the impurity storage device 3 is lower than one side far away from the impurity storage device 3.

Filter sand bed 11 and the geotechnological cloth layer 12 that permeates water all slope and set up in filter equipment 1 for the grit soil material that drops on filtering sand bed 11 and the geotechnological cloth layer 12 that permeates water enters into impurity storage device 3 because of the scouring force of gravity and water in, water flows to filter equipment 1 below under the action of gravity, only small part of water along with silt soil material flow in impurity storage device 3 in, and be equipped with water filtering layer 31 in impurity storage device 3 bottom, water filtering layer 31 bottom with drainage device 2 passes through pipeline 21 and connects, and water in impurity storage device 3 permeates water filtering layer 31 under the action of gravity, flows into drainage device 2 through pipeline 21, thereby accomplishes the filtration and the storage of impurity. The inclination angle of the filtering sand layer 11 and the permeable geotextile layer 12 is larger than 30 degrees and smaller than 60 degrees, certainly larger than 60 degrees is also possible, for example, 70 degrees, so that the sand and stone are filtered, and meanwhile, the sand and stone are flushed into the impurity storage device, and the device is applicable.

The top of the filtering device 1 is provided with a cover plate 13, and the cover plate is provided with a hole 131. Be provided with apron 13 at filter equipment 1 top, be provided with hole 131 on apron 13, prevent impurity such as bulky stone, branch to get into when guaranteeing that water passes through, prevent to filter sand layer 11 and geotechnological cloth layer 12 that permeates water from being destroyed.

The bottom of the impurity storage device 3 and the bottom of the filtering device 1 are positioned on the same horizontal plane, and the bottom of the impurity storage device 3 can also be lower than the bottom of the filtering device 1, so that the impurity storage device 3 can store more silt, and further the cleaning times of workers are reduced.

The utility model discloses set up impurity storage device 3 at 1 side of filter equipment, the impurity that gets into together with water from 1 entry of filter equipment filters through filtering sand layer 11 and the geotechnological cloth layer 12 that permeates water, it keeps totally to make water through filter equipment 1 back, impurity stays and filters sand layer 11 and the geotechnological cloth layer 12 that permeates water, because the water-washed power of slope setting and top of filtering sand layer 11 and the geotechnological cloth layer 12 that permeates water, in rushing impurity storage device 3 into with impurity, the water that flows into impurity storage device 3 from filter equipment 1 filters arrival pipeline 21 through filtering water layer 31, discharge through drainage device 2 again.

Impurity storage device 3 sets up at filter equipment 1 side, filter equipment 1 filters the impurity that filters out and stores impurity storage device 3 in through-hole 32, prevent that filter equipment 1 from leading to the rainwater can't pass through because of a large amount of impurity jam, prevent drainage system 100 and lose effect, impurity storage device 3 and the vertical direction sliding connection of filter equipment 1 simultaneously, impurity storage device 3 can dismantle and take out, and clear up the impurity in impurity storage device 3, make things convenient for the clearance of the impurity in drainage system 100, and help prolonging drainage system 100's life.

The above description of the present invention does not limit the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A drainage system of a sponge city is characterized by comprising a filtering device, a drainage device and an impurity storage device; the filtering device is positioned above the drainage device and is connected with the drainage device through bolts; the impurity storage device is positioned on one side of the filtering device and is in sliding connection with the outer side part of the filtering device; a through hole is formed between the filtering device and the impurity storage device; the filter device is internally provided with a hollow cavity, the filter device is sequentially provided with a filtering sand layer and a permeable geotextile layer from top to bottom, the filtering sand layer and the permeable geotextile layer are arranged at intervals, one end of the filtering sand layer and one end of the permeable geotextile layer are connected with the lower part of the through hole, and the other end of the filtering sand layer and the other end of the permeable geotextile layer are connected with the inner wall of the filter device; the bottom of the impurity storage device is provided with a water filtering layer, and the bottom of the water filtering layer is connected with the drainage device through a pipeline.

2. The sponge city drainage system of claim 1, wherein the filtering sand layer and the permeable geotextile layer are obliquely arranged in the filtering device, and one side of the filtering sand layer and the permeable geotextile layer close to the impurity storage device is lower than one side of the filtering sand layer and the permeable geotextile layer far away from the impurity storage device.

3. The sponge city drainage system as claimed in claim 1, wherein the top of the filtering device is provided with a cover plate, and the cover plate is provided with holes.

4. The sponge city drainage system of claim 1, wherein the bottom of the impurity storage device and the bottom of the filtering device are located at the same level.