CN219825539U - Catch basin with water purification function - Google Patents
Catch basin with water purification function Download PDFInfo
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- CN219825539U CN219825539U CN202321200522.7U CN202321200522U CN219825539U CN 219825539 U CN219825539 U CN 219825539U CN 202321200522 U CN202321200522 U CN 202321200522U CN 219825539 U CN219825539 U CN 219825539U
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- filtering
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 137
- 238000000746 purification Methods 0.000 title claims abstract description 13
- 238000001914 filtration Methods 0.000 claims abstract description 55
- 239000000463 material Substances 0.000 claims abstract description 18
- 239000011148 porous material Substances 0.000 claims abstract description 18
- 238000004062 sedimentation Methods 0.000 claims description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 229920000742 Cotton Polymers 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 6
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000011065 in-situ storage Methods 0.000 abstract description 3
- 238000005202 decontamination Methods 0.000 abstract description 2
- 230000003588 decontaminative effect Effects 0.000 abstract description 2
- 239000003344 environmental pollutant Substances 0.000 description 8
- 231100000719 pollutant Toxicity 0.000 description 8
- 239000012535 impurity Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 239000010802 sludge Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-NJFSPNSNSA-N Carbon-14 Chemical class [14C] OKTJSMMVPCPJKN-NJFSPNSNSA-N 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 208000034699 Vitreous floaters Diseases 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- -1 organic matters Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Water Treatment By Sorption (AREA)
Abstract
The utility model relates to the technical field of rainwater collection and treatment, and provides a rainwater well with a water quality purifying function. The rainwater well comprises a well body, wherein a sieve plate fixedly connected with a well wall is arranged in the well body; the plane of the sieve plate is divided into a water inlet area, a plurality of filtering areas and a water outlet area; the water inlet area is a notch of the sieve plate, water inlet of the rainwater well passes through the notch to flow into the bottom of the well, and a converging baffle plate with vertical height higher than that of the filtering module is connected upwards along the edge of the notch; the sieve plate of the filtering area is provided with a plurality of pores and a plurality of filtering modules, and the filtering modules are filled with a plurality of layers of filter materials; the bottom of the sieve pore plate of the water outlet area is closed and communicated with the water outlet of the well body. The rainwater well can be arranged in the existing rainwater pipe network, and online in-situ purification treatment of rainwater is realized. The device has the advantages of simple structure, simple operation, good decontamination effect and the like.
Description
Technical Field
The utility model belongs to the technical field of rainwater collection and treatment, and particularly relates to a rainwater well with a water quality purifying function.
Background
With the continuous improvement of the urban level, the area of the impermeable area of the urban area is also rapidly enlarged, which causes the great increase of urban rainwater runoff in rainy days. Studies have shown that when the surface is covered with vegetation, only 10% of the rainwater will form runoff, while when the surface is more than 75% of the surface water-impermeable area, 55% of the rainwater will form runoff. Meanwhile, the deposition amount of various pollutants generated in the urban production and living processes is also increased, so that the rainwater runoff, especially the initial rainwater, contains a large amount of pollutants. Rainwater containing a large amount of pollutants is directly discharged into natural water, so that serious pollution is caused to the water environment, and the rainwater becomes an important cause for inducing black and odorous river channels. Therefore, the treatment and disposal of the initial rainwater become a key link in the current urban water environment pollution control.
In addition to the problem of pollution of the initial rainwater, the problem of urban water resource shortage is increasingly prominent, and the utilization of rainwater as an important unconventional water resource has been highly valued. However, the quality of rainwater is a bottleneck for limiting the resource utilization of the rainwater. Therefore, the rainwater is effectively treated, the water quality is clarified and purified, and the method is an important precondition for protecting the water environment and developing and utilizing rainwater resources.
The rainwater well is a well-shaped structure widely used in a rainwater pipe network and is mainly used for connecting and overhauling a rainwater pipeline. In the existing rainwater collecting and utilizing system, a bypass rainwater treatment unit with a water quality purifying function is additionally arranged outside a rainwater pipeline and a rainwater well. However, the facilities have complex general structure, large occupied area and high construction cost, and the late operation and maintenance difficulty and the operation cost are high, so that the investment and maintenance cost of the rainwater pipe network are greatly increased, and the development of rainwater pollution control and resource utilization work is not facilitated.
Disclosure of Invention
The utility model provides a rainwater well with a water quality purifying function, which aims to solve the limitation of a conventional rainwater collecting system in the prior art on the purifying function and cost.
The utility model provides a catch basin with a water quality purifying function, which comprises a well body, wherein a sieve plate fixedly connected with a well wall is arranged in the well body; the plane of the sieve plate is divided into a water inlet area, a plurality of filtering areas and a water outlet area; the water inlet area is a notch of the sieve plate, water inlet of the rainwater well passes through the notch to flow into the bottom of the well, and a converging baffle plate with vertical height higher than that of the filtering module is connected upwards along the edge of the notch; the sieve plate of the filtering area is provided with a plurality of pores and a plurality of filtering modules, and the filtering modules are filled with a plurality of layers of filter materials; the bottom of the sieve pore plate of the water outlet area is closed and communicated with the water outlet of the well body.
Optionally, the well body is cylindrical, and a dirt suction hole is formed in the center of the top surface of the well body; the sieve plate is a circular ring, and the inner ring of the circular ring has the same size as the dirt suction hole; the water inlet area, the water outlet area and the plurality of filtering areas are fan-shaped with the same center as the sieve plate; the water inlet area and the water outlet area are symmetrically distributed, and the filtering area is positioned between the water inlet area and the water outlet area.
Optionally, the plane of the sieve tray is sequentially provided with a water inlet area, a first filtering area, a water outlet area and a second filtering area along the clockwise rotation direction, and the cross sectional areas of the areas are respectively 1/8, 3/8, 1/8 and 3/8 of the total area of the plane of the sieve tray.
Optionally, the single filter module is in a fan ring shape; the first filtering area and the second filtering area are respectively provided with three filtering modules.
Optionally, the filter module is of a frame structure, the upper surface and the lower surface are sealed by filter cotton, a double-layer filter material is filled in the space between the upper surface and the lower surface, wherein the upper layer is a granular activated carbon filter material, and the lower layer is a fiber ball filter material.
Optionally, a cylindrical baffle is arranged downwards at the inner ring on the bottom surface of the sieve pore plate.
Optionally, a water inlet is further formed in the well wall, and the water inlet and the water outlet are respectively connected with an upstream water inlet pipe and a downstream water outlet pipe in the rainwater pipe network.
Optionally, the sieve pore plate of the water outlet area is connected with the water outlet, so that water on the sieve pore plate of the water outlet area flows out of the water outlet in a self-flowing mode.
Optionally, the well body below the sieve tray is divided into a sedimentation area and a mud collecting area from top to bottom, and the bottom of the well body of the mud collecting area is in a truncated cone shape or a conical shape.
The rainwater well can be arranged in the existing rainwater pipe network, so that the online in-situ purification treatment of rainwater is realized. The device has the advantages of simple structure, simple operation, good decontamination effect and the like, and can effectively remove various pollutants such as floaters, heavy particles, coarse impurities, fine particles, soluble pollutants and the like contained in rainwater; meanwhile, the device has an overflow function, so that the drainage capacity of the rainwater pipe network in heavy rain can be ensured; and the later cleaning and maintenance are convenient, and the operation and maintenance cost is low. The utility model has stronger practical value and application prospect in the fields of rainwater collection, treatment and resource utilization.
Drawings
FIG. 1 is a front view of a catch basin with a water purification function according to the present utility model;
FIG. 2 is a plan view of a catch basin with water purification function according to the present utility model;
FIG. 3 is a schematic structural view of a filtration module of a catch basin with water purification function according to the present utility model;
fig. 4 is a schematic structural view of a mesh tray of a catch basin with a water purification function according to the present utility model.
In the figure: 1-well body, 2-overflow area, 3-sedimentation area, 4-mud collecting area, 5-water inlet, 6-water outlet, 7-dirt drawing hole, 8-baffle, 9-confluence area, 10-sieve plate, 11-filtration area, 12-filtration module, 13-filtration cotton, 14-granular activated carbon, 15-fiber ball, 16-well lid, 17-water inlet area, 18-water outlet area.
Detailed Description
The technical scheme of the utility model is described in detail below with reference to the accompanying drawings and the specific embodiments.
The utility model relates to a catch basin with a water quality purifying function, which comprises a well body, wherein a sieve plate fixedly connected with a well wall is arranged in the well body; the plane of the sieve plate is divided into a water inlet area, a plurality of filtering areas and a water outlet area; the water inlet area is a notch of the sieve plate, water inlet of the rainwater well passes through the notch to flow into the bottom of the well, and a converging baffle plate with vertical height higher than that of the filtering module is connected upwards along the edge of the notch; the sieve plate of the filtering area is provided with a plurality of pores and a plurality of filtering modules, and the filtering modules are filled with a plurality of layers of filter materials; the bottom of the sieve pore plate of the water outlet area is closed, and the water outlet area is communicated with the water outlet of the well body.
During rainfall, rainwater flows into the bottom of the well through the notch of the sieve pore plate, naturally settles in the well body below the sieve pore plate, and meanwhile, when the rainwater amount is large, the water level in the well gradually rises to the height of the sieve pore plate. At this moment, the rainwater passes through the pore entering filtration module of sieve tray filtration district from bottom to top, and the pore can be preliminary with coarse impurity interception in the rainwater in the sieve tray below wait to subside naturally, and the multilayer filter material in the filtration module filters the rainwater and purifies, goes out water from filtration module top. The cylindrical space with a certain height, namely a converging area, is formed above the filtering module through the converging baffle and the surrounding of the well wall. The filtered rainwater is converged in the converging area and flows out of the rainwater well through the water outlet at the sieve plate of the water outlet area.
Examples
As shown in fig. 1 to 4, the main structure of the catch basin with the water quality purifying function provided by the utility model comprises a well body 1, a sieve tray 10 and the like. The well body is divided into a plurality of areas, and comprises an overflow area 2, a converging area 9, a filtering area 11, a sedimentation area 3 and a mud collecting area 4 from top to bottom.
The well wall of the well body is provided with a water inlet 5 and a water outlet 6 which are respectively connected with an upstream water inlet pipe and a downstream water outlet pipe in the rainwater pipe network, so that the rainwater well is arranged in the existing rainwater pipe network, and the online in-situ purification treatment of rainwater is realized.
The well body is cylindrical, the top surface is flush with the ground, the center is provided with a sewage pumping hole 7, and two functions of sewage pumping and overhauling are considered. A well cover 16 is arranged above the dirt sucking hole 7. The lower half part of the well body is provided with a sedimentation zone 3 and a mud collecting zone 4. The sedimentation zone 3 is cylindrical and is used for sedimentation of heavy particulate matter in the stormwater. The mud collecting area 4 is in a truncated cone shape or a conical shape at the lower part of the sedimentation area 3 and is used for storing pollutants which are settled to the bottom of the rainwater well.
The upper part of the sedimentation area 3 is provided with a sieve tray 10, the sieve tray 10 is in a circular ring shape, and the center of the sieve tray is provided with a round hole with the same size as the dirt sucking hole. The sieve plate 10 is provided with fine holes for intercepting coarse impurities in rainwater. The inner ring of the sieve plate 10 is downwards provided with a cylindrical baffle plate 8 to prevent the trapped matters in the sedimentation area from being lost when overflowing.
For the sieve plate 10, more specifically, as shown in fig. 2, the plane of the sieve plate 10 is divided into 2 filtering areas 11, 1 water inlet area 17 and 1 water outlet area 18. The cross sectional areas of the single filtering area 11, the water inlet area 17 and the water outlet area 18 are respectively 3/8, 1/8 and 1/8 of the plane area of the sieve tray 10. Specifically, the 2 filtering sections 11 are symmetrically arranged, and the water inlet section 17 and the water outlet section 18 are also symmetrically arranged.
Wherein a filter module 12 is arranged in the filter zone 11. As shown in fig. 3, the single filter module 12 is of a sector ring type, and is 1/3 of the area of the single filter zone 11, i.e., 3 filter modules 12 can be packed in each filter zone 11. The filter module 12 is of a frame structure, the upper surface and the lower surface are sealed by filter cotton 13, the inside is double-layer filter materials, the lower part is a fiber ball 15, and the upper part is granular activated carbon 14.
One side of the filtering area is a water inlet area 17, the other side is a water outlet area 18, and the water inlet area 17 and the water outlet area 18 are respectively communicated with water inlets and water outlets of the well wall. The water inlet area 17 is actually a notch on the sieve plate, and the bottom of the water inlet area 17 is communicated with the sedimentation area 3. The bottom of the water outlet area 18 is closed, and the sieve pore plates of the water outlet area are connected with the water outlet 6, so that water on the sieve pore plates of the water outlet area flows out of the water outlet 6 in a self-flowing mode.
The upper part of the filtering area is a converging area 9, and the filtered rainwater is converged into a water outlet area 18 to flow out. The water inlet area 17, i.e. the edge of the recess, is provided with a converging baffle of a vertical height higher than the filter module 12. A cylindrical space with a certain height, namely a converging area, is formed by the converging baffle plate and the surrounding of the well wall. The arrangement of the converging baffle plate can also play a role in blocking flow, so that rainwater at the water inlet is prevented from directly flowing into the filtering module.
The upper part of the converging zone 9 is an overflow zone 2, no fixed part is arranged in the overflow zone 2, and only an overflow channel between the water inlet zone 17 and the water outlet zone 18 is formed.
The utility model has the following specific working processes:
during rainfall, the collected rainwater runoff automatically flows through gravity, and flows into the rainwater well through the water inlet 5 by the rainwater pipe network.
The rainwater to be treated enters the water inlet area 17 and then flows downwards into the rainwater downhole sedimentation area 3. Heavy particles in the rainwater settle in the sedimentation zone 3 due to the actions of gravity, inertia force and the like and enter the sludge collecting zone 4.
After precipitation, the rainwater passes through the sieving orifice plate 10 from bottom to top, and coarse impurities in the rainwater are trapped in the lower precipitation zone 3.
After being filtered, the rainwater enters the filtering area 11, passes through the filter cotton 13 at the lower part of the filtering module 12 and then sequentially passes through the filter material layer of the fiber balls 15 and the filter material layer of the granular activated carbon 14 from bottom to top, then enters the converging area 9 after being distributed through the filter cotton 13 at the upper part of the filtering module 12, flows into the water outlet area 18, and flows out of the rainwater well through the water outlet 6. The fiber ball filter material layer at the middle and lower parts of the filter module has the function of intercepting fine particles and colloid substances in rainwater, so that the water quality is clarified; the granular activated carbon filter material layer at the upper part of the filter module has the function of absorbing and removing soluble pollutants in rainwater, and can further reduce the concentration of pollutants such as organic matters, nitrogen, phosphorus, heavy metals and the like in the rainwater.
Under the condition of long-time storm, if the rainwater quantity of the pipe network exceeds the treatment capacity of the device, the water level of the water inlet area 17 is continuously increased until the water level exceeds the height of the confluence area 9, overflow occurs, water is directly discharged from the water outlet area 18, and the drainage capacity of the rainwater pipe network can be effectively ensured.
The water outlet is lower than the bottom of the filtering area, and the water surface is kept below the filtering material layer after rainfall stops.
After the rainfall is finished, the top well cover 16 of the rainwater well can be opened, and sundries and sludge in the sludge collecting area 4 and the sediment 3 can be pumped out through the sewage pumping holes. The filter material module 12 can also be detached and replaced regularly to ensure the rainwater purifying effect.
The utility model has been described in detail in connection with the specific embodiments and exemplary examples thereof, but such description is not to be construed as limiting the utility model. It will be understood by those skilled in the art that various equivalent substitutions, modifications or improvements may be made to the technical solution of the present utility model and its embodiments without departing from the spirit and scope of the present utility model, and these fall within the scope of the present utility model.
Claims (8)
1. The rainwater well with the water quality purifying function comprises a well body, and is characterized in that a sieve plate fixedly connected with a well wall is arranged in the well body; the plane of the sieve plate is divided into a water inlet area, a plurality of filtering areas and a water outlet area; the sieve plate of the filtering area is provided with a plurality of pores and a plurality of filtering modules, and the filtering modules are filled with a plurality of layers of filter materials; the water inlet area is a notch of the sieve plate, water inlet of the rainwater well passes through the notch to flow into the bottom of the well, and a converging baffle plate with vertical height higher than that of the filtering module is connected upwards along the edge of the notch; the bottom of the sieve pore plate of the water outlet area is closed and communicated with the water outlet of the well body; the filter module is of a frame structure, the upper surface and the lower surface are sealed by filter cotton, a double-layer filter material is filled in the space between the upper surface and the lower surface, wherein the upper layer is a granular activated carbon filter material, and the lower layer is a fiber ball filter material.
2. The catch basin with water purifying function according to claim 1, wherein the well body is cylindrical, and a dirt suction hole is arranged in the center of the top surface of the well body; the sieve plate is a circular ring, and the inner ring of the circular ring has the same size as the dirt suction hole; the water inlet area, the water outlet area and the plurality of filtering areas are fan-shaped with the same center as the sieve plate; the water inlet area and the water outlet area are symmetrically distributed, and the filtering area is positioned between the water inlet area and the water outlet area.
3. The catch basin with water purifying function according to claim 2, wherein the plane of the sieve tray is sequentially provided with a water inlet area, a first filtering area, a water outlet area and a second filtering area along the clockwise rotation direction, and the cross sectional area of each area is respectively 1/8, 3/8, 1/8 and 3/8 of the total area of the plane of the sieve tray.
4. A catch basin with water purification function according to claim 3, wherein the single filter module is in the shape of a sector ring; the first filtering area and the second filtering area are respectively provided with three filtering modules.
5. Catch basin with water purification function according to claim 2, characterized in that the bottom of the sieve tray is provided with a cylindrical baffle downwards at the inner ring.
6. The catch basin with water purification function according to claim 1, wherein a water inlet is further formed in the well wall, and the water inlet and the water outlet are respectively connected with an upstream water inlet pipe and a downstream water outlet pipe in the rainwater pipe network.
7. The catch basin with water purification performance according to claim 1, wherein the sieve plates of the water outlet area are connected with the water outlet, so that water on the sieve plates of the water outlet area flows out of the water outlet in a self-flowing mode.
8. The catch basin with water purifying function according to any one of claims 1 to 7, wherein the well body below the sieve tray is divided into a sedimentation area and a mud collecting area from top to bottom, and the bottom of the well body of the mud collecting area is in a truncated cone shape or a conical shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321200522.7U CN219825539U (en) | 2023-05-18 | 2023-05-18 | Catch basin with water purification function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321200522.7U CN219825539U (en) | 2023-05-18 | 2023-05-18 | Catch basin with water purification function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219825539U true CN219825539U (en) | 2023-10-13 |
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ID=88272360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321200522.7U Active CN219825539U (en) | 2023-05-18 | 2023-05-18 | Catch basin with water purification function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219825539U (en) |
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2023
- 2023-05-18 CN CN202321200522.7U patent/CN219825539U/en active Active
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