Multistage purification and utilization system for waterscape in residential district

Abstract

The utility model relates to the field of waterscape purification and utilization, and discloses a residence community waterscape multi-stage purification and utilization system which comprises a settling pond and a plurality of secondary filtering ponds which are sequentially communicated, the settling pond is arranged below a platform at the top of a step and used for gathering rainwater in a community, and the secondary filtering ponds sequentially correspond to steps of different stages. The lower the step corresponding to the secondary filter tank is, the lower the tank bottom height of the secondary filter tank is, and the secondary filter tank corresponding to the lowermost step is communicated with the ornamental tank. By means of the steps and the ornamental pools in the community, energy consumption of water absorption and water storage is reduced, and rainwater is purified and utilized.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of waterscape purification and utilization, in particular to a residential quarter waterscape multistage purification and utilization system. BACKGROUND

[0002] In order to reduce the damage caused by urban development and construction to the natural ecological environment, the construction of sponge city has been vigorously promoted in recent years. The purpose of sponge city is to enhance the natural water storage, water infiltration and water purification capacity of the city, so that the city can absorb and store water like a sponge during rainfall, and gradually release and utilize water resources after the rain.

[0003] However, water absorption and storage usually require energy consumption, and the greater the rainfall, the more energy consumption. For non-public places such as residential quarters, it undoubtedly increases the burden of property and owners, and finally the water absorption and storage facilities are empty and become a decoration, causing waste of resources. Therefore, a multistage purification and utilization system is needed to utilize the existing structures such as residential ornamental ponds to reduce the energy consumption of water absorption and storage, and to purify and utilize rainwater. SUMMARY

[0004] The utility model intends to provide a residential quarter waterscape multistage purification and utilization system, which utilizes the steps and ornamental ponds in the quarter to reduce the energy consumption of water absorption and storage, and to purify and utilize rainwater.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: the residential quarter waterscape multistage purification and utilization system comprises a sedimentation tank and a plurality of secondary filter tanks which are connected in sequence, the sedimentation tank is arranged below the top platform of the steps, the sedimentation tank is used for collecting rainwater in the quarter, and the plurality of secondary filter tanks correspond to different steps in sequence, the sedimentation tank is used for collecting rainwater in the quarter, the lower the corresponding step of the secondary filter tank, the lower the bottom height of the secondary filter tank, and the secondary filter tank corresponding to the lowest step is connected with the ornamental pond.

[0006] The beneficial effects of the present scheme are as follows:

[0007] 1. The present scheme makes full use of the high and low terrain of the residential quarter, sets the sedimentation tank above the steps to collect rainwater in the quarter above the steps, and sets the ornamental pond below the steps to increase the ornamental and improve the grade of the quarter; the water in the ornamental pond needs to be filtered and replaced regularly, and the present scheme directly circulates the water in the ornamental pond into the water circulation of the whole quarter as a link of rainwater regulation.

[0008] 2. The high and low terrain of the steps is utilized to make the rainwater in the sedimentation tank flow through the plurality of secondary filter tanks in sequence under the action of gravitational potential energy, so as to purify the rainwater and reduce the energy consumption of water absorption and storage; the rainwater is filtered and finally enters the ornamental pond to ensure the clarity and ornamental of the water in the ornamental pond, so that the rainwater is utilized through the ornamental pond.

[0009] Further, the width of the sedimentation tank is greater than or equal to the width of the step section, and the sedimentation tank is provided with a rainwater grate.

[0010] Further, the sedimentation tank is provided with a filter hole on one side, and the filter hole is communicated with a secondary filter tank corresponding to the uppermost step.

[0011] Further, the green land is further included, the ornamental pool is provided with a fountain, the ornamental pool is circumferentially provided with an overflow pool for accommodating excess water of the ornamental pool, and the overflow pool is communicated with the green land.

[0012] Further, the sedimentation tank is provided with a rapid flow groove under the step, the rapid flow groove is arranged on both sides of the plurality of secondary filter tanks, the sedimentation tank is provided with an overflow notch on the side wall of the side provided with the filter hole, the bottom of the overflow notch is higher than the top of the filter hole, and the overflow notch is communicated with the rapid flow groove.

[0013] Further, the plurality of secondary filter tanks include a sand and stone filter tank, an activated carbon filter tank, and a biological ceramic filter tank.

[0014] The scheme has the following effects:

[0015] 1. The width of the sedimentation tank is greater than or equal to the width of the step section, and the sedimentation tank is provided with a rainwater grate; thereby ensuring that the rainwater above the step is intercepted into the sedimentation tank, and cannot flow onto the step to affect the walking of the owner.

[0016] 2. The sedimentation tank, the sand and stone filter tank, the activated carbon filter tank, and the biological ceramic filter tank are communicated in sequence, rainwater is filtered in stages, and the filtered rainwater finally flows into the ornamental pool;

[0017] The filter hole is communicated with the sedimentation tank and the sand and stone filter tank, the flow between the sedimentation tank and the sand and stone filter tank is controlled through the filter hole, when the flow is too large, the rainwater cannot flow out from the filter hole in time, the liquid level in the sedimentation tank rises, and the excess rainwater overflows from the overflow notch and flows into the rapid flow groove, the overflow pool, and the green land in sequence, not only can the plants in the green land be irrigated, but also the soil of the green land has a good water storage effect and can accommodate excess rainwater. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a top view schematic diagram of the embodiment 1;

[0019] Figure 2 It is a left view structural schematic diagram of the sedimentation tank, the ornamental pool, and the plurality of secondary filter tanks of the embodiment 1;

[0020] Figure 3 It is a main view schematic diagram of the sedimentation tank of the embodiment 2. DETAILED DESCRIPTION

[0021] The following will be further described in detail through specific embodiments:

[0022] The reference numerals in the drawings of the specification include: step 1, sedimentation tank 2, filter hole 21, overflow gap 22, sand and gravel filter tank 3, activated carbon filter tank 4, biological ceramsite filter tank 5, ornamental pool 6, fountain 61, green space 7, overflow pool 8.

[0023] Example 1

[0024] The multi-stage waterscape purification and utilization system for a residential area is suitable for locations with steps 1 and fountains 61 in the area.

[0025] Example 1 is basically as Figures 1-3 As shown, the multi-stage waterscape purification and utilization system of the residential area includes a sedimentation tank 2 and a gravel filter tank 3, an activated carbon filter tank 4 and a biological ceramsite filter tank 5 which are connected and adjacent in sequence. The sedimentation tank 2 and the gravel filter tank 3, the activated carbon filter tank 4 and the biological ceramsite filter tank 5 are all provided with baffles on their sides to ensure that rainwater can flow to the next level of filter tank. The sedimentation tank 2 is set below the top platform of the step 1. The width of the sedimentation tank 2 is greater than the section width of the step 1 (the section width refers to Figure 1 The distance from the leftmost to the rightmost side of the middle step 1), the sedimentation tank 2 is covered with a rainwater grate, and the sedimentation tank 2 is used to collect rainwater from the community. Figure 2 As shown, a filter hole 21 is opened on one side of the sedimentation tank 2 close to the sand and gravel filter tank 3, and the filter hole 21 is connected to the sand and gravel filter tank 3;

[0026] like Figure 1 As shown, the gravel filter pool 3, the activated carbon filter pool 4 and the biological ceramsite filter pool 5 are all arranged in the middle of the step 1. Different filter pools are arranged in the middle of the steps 1 of different levels. The gravel filter pool 3 corresponds to the top 6 steps 1, the activated carbon filter pool 4 corresponds to the middle 6 steps 1, and the biological ceramsite filter pool 5 corresponds to the bottom 6 steps 1. Figure 2 As shown, the bottom and top heights of the sand and gravel filter pool 3, the activated carbon filter pool 4 and the biological ceramsite filter pool 5 are successively lower, and the biological ceramsite filter pool 5 and the ornamental pool 6 are connected.

[0027] like Figure 1 As shown, two green spaces 7 are also included. A fountain 61 is provided in the ornamental pool 6. An overflow pool 8 is provided around the ornamental pool 6. The upper end of the overflow pool 8 is lower than the bottom of the ornamental pool 6. The overflow pool 8 is used to accommodate excess water overflowing from the ornamental pool 6. The overflow pool 8 is connected to the green space 7, and the green space 7 is used to accommodate excess water.

[0028] Example 2

[0029] Example 2 is based on Example 1 and also includes a rapids trough, which is hidden under the step 1 and is arranged on both sides of the sand and gravel filter pool 3, the activated carbon filter pool 4 and the biological ceramsite filter pool 5, for accommodating excess rainwater, so that the excess rainwater flows directly into the green space 7 through the rapids trough and the overflow pool 8.

[0030] Specifically, as shown in Figure 3 The precipitating pool 2 is provided with two overflow notches 22 on the side wall of the filter hole 21 side. From the horizontal direction, the overflow notches 22 are respectively located on both sides of the filter hole 21. From the vertical direction, the bottom of the overflow notches 22 is higher than the top of the filter hole 21. The rainwater overflowing from the overflow notches 22 flows into the torrent chute, and the torrent chute is communicated with the overflow pool 8. The overflow pool 8 is covered by the overflow grate to avoid the unfiltered rainwater affecting the ornamental nature of the community.

[0031] The above is only an embodiment of the present application, and the well-known specific technical solutions and / or common knowledge of characteristics in the scheme are not described in detail. It should be noted that for those skilled in the art, without departing from the technical scheme of the present application, a number of modifications and improvements can be made, which should also be considered as the protection scope of the present application. The protection scope of the present application should be subject to the content of its claims, and the specific implementation mode and the like recorded in the specification can be used to explain the content of the claims.

Claims

1. The multi-stage waterscape purification and utilization system for residential areas is characterized by: It includes a sedimentation tank and several secondary filtration tanks that are connected in sequence. The sedimentation tank is set below the platform at the top of the steps. The sedimentation tank is used to collect rainwater in the community. Several secondary filtration tanks correspond to different levels of steps in sequence. The lower the step corresponding to the secondary filtration tank, the lower the bottom height of the secondary filtration tank. The secondary filtration tank corresponding to the lowest step is connected to the ornamental pool.

2. The multi-stage waterscape purification and utilization system for residential areas according to claim 1 is characterized by: The width of the sedimentation tank is greater than or equal to the width of the step section, and the sedimentation tank is covered with a rainwater grate.

3. The multi-stage waterscape purification and utilization system for residential areas according to claim 2 is characterized by: There is a filter hole on one side of the sedimentation tank, which is connected to the secondary filter tank corresponding to the top step.

4. The multi-stage waterscape purification and utilization system for residential areas according to claim 3 is characterized by: It also includes green space. A fountain is arranged in the ornamental pool. An overflow pool is arranged around the ornamental pool. The overflow pool is used to accommodate excess water in the ornamental pool. The overflow pool is connected to the green space.

5. The multi-stage waterscape purification and utilization system for residential areas according to claim 4 is characterized by: A rapids trough is provided under the steps and is arranged on both sides of several secondary filter pools. An overflow notch is provided on the side wall of the sedimentation tank on the side where the filter hole is provided. The bottom of the overflow notch is higher than the top of the filter hole. Rainwater overflowing from the overflow notch flows into the rapids trough, and the rapids trough and the overflow pool are connected.

6. The multi-stage waterscape purification and utilization system for residential areas according to claim 1 is characterized by: Several secondary filtration pools include sand and gravel filtration pools, activated carbon filtration pools and biological ceramsite filtration pools.

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