Rainwater collecting and filtering device for sponge city

Abstract

The utility model discloses a rainwater collecting and filtering device for a sponge city. The rainwater collecting and filtering device comprises a planting groove. According to the rainwater collecting and filtering device for the sponge city, a supporting ring is fixedly connected to the inner side of the upper portion of the notch, a water collecting groove matched with the supporting ring is hung on the supporting ring in a supported mode, a planting groove matched with the notch is formed above the water collecting groove, the middle of the planting groove is inserted into the water collecting groove, and the upper edge of the planting groove is hung on the upper edge of the water collecting groove; leak holes are uniformly formed in the bottom of the planting groove, a filter screen plate matched with the planting groove is arranged on the inner side of the bottom of the planting groove, a planting base layer filled in the planting groove is arranged on the filter screen plate, cotton swabs jointly penetrate through the planting groove and the filter screen plate, rainwater can be stored through a water collecting tank, and water is conveyed to the planting base layer in cooperation with the cotton swabs; and the planting groove in the top of the rainwater well can be used for planting and greening, a traditional rainwater well lid is changed into a greening well lid, the greening missing rate is effectively reduced, and the greening effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to rainwater collection field, concretely is a rainwater collection filter device for sponge city. BACKGROUND

[0002] Sponge city is a new generation of urban rainwater management concept, refers to the city can be like sponge, in adapting to environmental change and coping with rainwater brought natural disasters etc. Good elasticity, sponge city construction should follow the principle such as ecological priority, combines natural approach and artificial measures, on the premise of ensuring urban drainage and waterlogging safety, maximum realization rainwater in urban area storage, infiltration and purification, promotes rainwater resource utilization and ecological environment protection. China patent discloses a rainwater collection device applied to sponge city design.

[0003] Through the retrieval, in the patent document with the announcement number CN 218814032 U, discloses a rainwater collection device applied to sponge city design includes ground, the ground left side upper portion is provided with water supply mechanism, the ground right side upper portion is provided with collection mechanism, the water supply mechanism right side face is provided with collection mechanism;The water supply mechanism includes power part and storage part, the power part includes water pump, the ground inside fixedly arranged with device cavity, the water pump ground and device cavity inside bottom surface fixed connection;The collection mechanism includes filter part and collection part, the filter part includes U type fixed frame. The rainwater collection device applied to sponge city design is cooperated by setting up water pump and connecting hose, makes the rainwater that is filtered soil impurity in collection jar is pumped to the inside of water storage tank and carries out city water utilization, can supplement fire hydrant or carry out city green plant irrigation water resource, energy saving and environmental protection, effectively utilizes water resource.

[0004] The above prior art, although can conveniently collect and utilize rainwater, but the setting of its collection mechanism can cause the large piece of greening loss in use, affect the overall greening effect, therefore put forward a rainwater collection filter device for sponge city to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a rainwater collection filter device for sponge city to solve the problems in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] The utility model provides a rainwater collection and filtration device for sponge city, including the rainwater well of embedding ground, the top end cover of rainwater well is equipped with with ground flush's slot, the upper portion inboard of slot is fixedly connected with support ring, and the support ring is hung with the water collecting tank who is adapted to it on the support ring, and the planting groove who is adapted to the slot is placed above the water collecting tank, and the middle part of planting groove is inserted into the water collecting tank, and the upper edge of planting groove is hung on the upper edge of water collecting tank, and the bottom of planting groove is uniformly provided with the leakage hole, and the bottom inboard of planting groove is equipped with the filter screen plate who is adapted to it, and the planting base layer who is filled in planting groove is equipped on the filter screen plate, and the cotton swab is penetrated in the water collecting tank and the filter screen plate, and the upper end of cotton swab is inserted into the planting base layer, and the lower end of cotton swab is inserted into the bottom inboard of water collecting tank, and the side of water collecting tank is provided with overflow hole corresponding to the below of planting groove.

[0008] As a further scheme of the utility model: the middle part outer wall of rainwater well is fixedly connected with the supporting ring, and the supporting ring and the bottom of slot are jointly provided with the first ring body and the second ring body which are concentrically arranged with the rainwater well.

[0009] As a further scheme of the utility model: the first ring body and the second ring body are jointly provided with the water permeable hole on the corresponding side wall of rainwater well, the first ring body and the second ring body are filled with the ceramsite layer, and the second ring body and the side wall of rainwater well are filled with the sandstone layer.

[0010] As a further scheme of the utility model: the bottom of rainwater well is transversely penetrated with the drain pipe which is communicated with the rainwater well, the bottom inboard of rainwater well is placed with the collecting groove which is adapted to it, the bottom inboard of collecting groove is fixedly connected with the water collecting bucket, the bottom side wall of water collecting bucket is circumferentially provided with the water outlet hole, and the outer side of water outlet hole is provided with the water baffle which is fixedly connected with water collecting bucket.

[0011] As a further scheme of the utility model: the top end of water collecting bucket extends to the upper side of drain pipe and is attached to the inner wall of rainwater well, the water collecting bucket is provided with the big upper side and the small lower side, the middle variable diameter part of water collecting bucket corresponds to the drain pipe, and the water baffle extends to the lower part of collecting groove.

[0012] As a further scheme of the utility model: the middle part of collecting groove is fixedly connected with the handle, the handle extends to the well mouth position of rainwater well, and the planting groove is provided with the hook hole.

[0013] Compared with the prior art, the utility model has the advantages of:

[0014] The rainwater can be stored through the water collecting tank, and the cotton swab is used to supply water to the planting base layer, so that water is provided for the green plants, the planting groove on the top of rainwater well can be used for planting and greening, the traditional rainwater well cover is changed into a greening well cover, the greening loss rate is effectively reduced, and the greening effect is improved.

[0015] The water infiltrated by the ground will enter the ceramsite layer between the first ring body and the second ring body and the gravel layer between the second ring body and the well wall, the porous filling material can filter rainwater, and the water liquid overflowing from the top overflow hole can form a double water collecting effect of the top and the side, thereby compared with only the top water inlet, the water collecting amount is increased. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a structural schematic view of a rainwater collecting and filtering device for a sponge city.

[0017] Fig. 2 It is a sectional view of a rainwater collecting and filtering device for a sponge city.

[0018] Fig. 3 It is an enlarged view of A in the rainwater collecting and filtering device for a sponge city.

[0019] In the figure: 1, rainwater well; 2, slot; 3, support ring; 4, water collecting tank; 5, planting groove; 6, leakage hole; 7, filter screen; 8, planting base layer; 9, cotton stick; 10, overflow hole; 11, supporting ring; 12, first ring body; 13, second ring body; 14, water permeable hole; 15, ceramsite layer; 16, gravel layer; 17, drain pipe; 18, collecting groove; 19, water receiving hopper; 20, water outlet; 21, water baffle; 22, handle; 23, hook hole. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Please refer to Figs. 1-3The utility model discloses an embodiment of a rainwater collection and filtration device for a sponge city, comprising a rainwater well 1 embedded in the ground, a slot 2 flush with the ground is provided at the top of the rainwater well 1, a support ring 3 is fixedly connected to the upper inner side of the slot 2, a water collecting tank 4 is hung on the support ring 3, a planting tank 5 is placed above the water collecting tank 4 and is adapted to the slot 2, the middle part of the planting tank 5 is inserted into the water collecting tank 4, the upper edge of the planting tank 5 is hung on the upper edge of the water collecting tank 4, leakage holes 6 are evenly provided at the bottom of the planting tank 5, a filter screen 7 is provided at the inner side of the bottom of the planting tank 5 and is adapted to the planting tank 5, a planting base 8 is filled in the planting tank 5, a cotton swab 9 penetrates through the planting tank 5 and the filter screen 7, the upper end of the cotton swab 9 is inserted into the planting base 8, the lower end of the cotton swab 9 is inserted into the inner side of the bottom of the water collecting tank 4, overflow holes 10 are provided at the side of the water collecting tank 4 corresponding to the lower part of the planting tank 5, the design of the overflow holes 10 can drain the excess rainwater into the rainwater well 1 when the water collecting tank 4 is full, and prevent the waterlogging from submerging the plant roots.

[0022] The rainwater can be stored in the water collecting tank 4 and be supplied to the planting base 8 through the cotton swab 9, so as to provide water for the green plants, the planting tank 5 at the top of the rainwater well can be used for planting green plants, the traditional rainwater well cover is changed into a green well cover, the green shortage rate is effectively reduced, and the greening effect is improved.

[0023] Through the double effects of the planting base 8, the filter screen 7 and the plant roots absorption and microbial decomposition, the suspended solids and particulate pollutants in the rainwater are effectively removed, and the cleanliness of the collected rainwater is significantly improved.

[0024] A supporting ring 11 is fixedly connected to the middle outer wall of the rainwater well 1, a first ring body 12 and a second ring body 13 concentrically arranged with the rainwater well 1 are jointly arranged between the supporting ring 11 and the bottom surface of the slot 2, and the first ring body 12 and the second ring body 13 are fixedly connected to the supporting ring 11.

[0025] The first ring body 12 and the second ring body 13 are jointly provided with water permeable holes 14 on the corresponding side walls of the rainwater well 1, a ceramsite layer 15 is filled between the first ring body 12 and the second ring body 13, and a sandstone layer 16 is filled between the second ring body 13 and the side wall of the rainwater well 1.

[0026] The water infiltrated from the ground enters the ceramsite layer 15 between the first ring body 12 and the second ring body 13 and the sandstone layer 16 between the second ring body 13 and the well wall, the porous filler can filter the rainwater, and the water overflowed from the top overflow hole 10 forms a double water collecting effect of the top and the side, so that the water collecting amount is increased compared with the water inflow only from the top.

[0027] The bottom of the rainwater well 1 is transversely penetrated by a drain pipe 17 communicated with the rainwater well 1, and a collecting groove 18 matched with the rainwater well 1 is arranged in the inside of the bottom of the rainwater well 1, and a water receiving hopper 19 is fixedly connected to the bottom of the collecting groove 18, a water outlet hole 20 is formed in the bottom side wall of the water receiving hopper 19, and a water baffle 21 fixedly connected with the water receiving hopper 19 is arranged outside the water outlet hole 20.

[0028] The top end of the water receiving hopper 19 extends above the drain pipe 17 and is attached to the inner wall of the rainwater well 1, the water receiving hopper 19 is arranged in a large size at the top and a small size at the bottom, the middle variable diameter part of the water receiving hopper 19 corresponds to the drain pipe 17, and the water baffle 21 extends to the lower part of the collecting groove 18.

[0029] The collecting groove 18 and the water receiving hopper 19 at the bottom of the rainwater well 1 are designed in cooperation with the water outlet hole 20 and the water baffle 21 to form multiple up-and-down flow channels, which can precipitate the fine silt finally flowed in, and improve the cleanliness of the water liquid discharged through the drain pipe 17.

[0030] The middle of the collecting groove 18 is fixedly connected with a lifting handle 22, the lifting handle 22 extends to the well mouth position of the rainwater well 1, and the planting groove 5 is provided with a hook hole 23, the design of the hook hole 23 can lift the planting groove 5 upward by using a tool.

[0031] The design of the lifting handle 22 and the hook hole 23 can lift the collecting groove 18 and the planting groove 5, so that the regular cleaning and maintenance become very convenient.

[0032] The working principle of the utility model is:

[0033] When it rains, the rainwater first falls into the planting groove 5, the rainwater penetrates through the planting base 8, the larger impurities are intercepted by the soil and the plant root system, the first biological and physical filtration is completed, the water penetrated downward passes through the filter screen plate 7, further filters out the fine particles, the filtered clean water drops into the water collecting groove 4 below through the leakage hole 6 at the bottom of the planting groove 5, if the rainfall is too large, when the water level of the water collecting groove 4 rises to the overflow hole 10, the excess water will be discharged into the deeper rainwater well 1 through the hole, preventing the plants from being flooded, the ground water will enter the ceramic layer 15 between the first ring body 12 and the second ring body 13 and the sandstone layer 16 between the second ring body 13 and the well wall, these porous fillers can filter the rainwater, the water liquid penetrates into the rainwater well 1 through the water permeable holes 14 layer by layer, cooperating with the water liquid overflowed from the top overflow hole 10, forming a double water collecting effect of the top and the side, the water flowing into the well bottom is first gathered into the middle part of the collecting groove 18 through the water receiving hopper 19, the water liquid is overflowed from the water outlet hole 20, and the water baffle 21 forms a folded flow channel, which has a sedimentation effect, and finally is discharged through the drain pipe 17.

[0034] In daily life, the cotton swab 9 automatically absorbs the clean water stored at the bottom of the water collecting groove 4 upward by using the capillary action, continuously conveying the clean water to the planting base 8 in the planting groove 5, and providing water for the plants.

[0035] After a long time of use, the collecting tank 18 can be lifted for cleaning, the cotton swab 9 can be replaced, and the ceramsite layer 15 and the gravel layer 16 can be replaced, so that the device is maintained.

[0036] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A rainwater collection and filtration device for sponge city, comprising a rainwater well (1) embedded in the ground, characterized in that: The top cover of the rainwater well (1) is provided with a slot (2) flush with the ground, the upper inner side of the slot (2) is fixedly connected with a support ring (3), the support ring (3) is hung with a water collecting tank (4) matched therewith, the upper side of the water collecting tank (4) is placed with a planting tank (5) matched with the slot (2), the middle part of the planting tank (5) is inserted into the water collecting tank (4), the upper edge of the planting tank (5) is hung on the upper edge of the water collecting tank (4), the bottom of the planting tank (5) is uniformly provided with a leakage hole (6), the inner side of the bottom of the planting tank (5) is provided with a filter screen (7) matched therewith, the filter screen (7) is provided with a planting base layer (8) filled in the planting tank (5), the planting tank (5) and the filter screen (7) are jointly penetrated by a cotton stick (9), the upper end of the cotton stick (9) is inserted into the planting base layer (8), the lower end of the cotton stick (9) is inserted into the inner side of the bottom of the water collecting tank (4), the side of the water collecting tank (4) is provided with a water overflow hole (10) corresponding to the lower side of the planting tank (5), the middle outer wall of the rainwater well (1) is fixedly connected with a supporting ring (11), the supporting ring (11) and the bottom surface of the slot (2) are jointly provided with a first ring body (12) and a second ring body (13) concentrically arranged with the rainwater well (1), the first ring body (12) and the second ring body (13) are jointly provided with a water permeable hole (14) corresponding to the side wall of the rainwater well (1), the first ring body (12) and the second ring body (13) are filled with a ceramsite layer (15), the second ring body (13) and the side wall of the rainwater well (1) are filled with a sandstone layer (16).

2. The rainwater collecting and filtering device for sponge city according to claim 1, characterized in that: The bottom of the rainwater well (1) is transversely penetrated by a drainage pipe (17) communicated with the rainwater well (1), the inner side of the bottom of the rainwater well (1) is placed with a collecting tank (18) matched therewith, the inner side of the bottom of the collecting tank (18) is fixedly connected with a water collecting hopper (19), the bottom side wall of the water collecting hopper (19) is circumferentially provided with a water outlet hole (20), the outer side of the water outlet hole (20) is provided with a water baffle (21) fixedly connected with the water collecting hopper (19).

3. The rainwater collecting and filtering device for sponge city according to claim 2, characterized in that: The top end of the water collecting hopper (19) extends above the drainage pipe (17) and is attached to the inner wall of the rainwater well (1), the water collecting hopper (19) is arranged in a large size at the top and a small size at the bottom, the middle variable diameter part of the water collecting hopper (19) corresponds to the drainage pipe (17), the water baffle (21) extends to the lower part of the collecting tank (18), the collecting tank (18) forms an upper and lower flow channel in cooperation with the water outlet hole (20) and the water baffle (21).

4. The rainwater collecting and filtering device for sponge city of claim 2, characterized in that: The middle part of the collecting tank (18) is fixedly connected with a handle (22), the handle (22) extends to the well mouth position of the rainwater well (1), the planting tank (5) is provided with a hook hole (23).

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