CN220766607U - Water treatment device for controlling overflow pollution - Google Patents
Water treatment device for controlling overflow pollution Download PDFInfo
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- CN220766607U CN220766607U CN202322493978.3U CN202322493978U CN220766607U CN 220766607 U CN220766607 U CN 220766607U CN 202322493978 U CN202322493978 U CN 202322493978U CN 220766607 U CN220766607 U CN 220766607U
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- cyclone
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- storage chamber
- sewage
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 107
- 239000010865 sewage Substances 0.000 claims abstract description 81
- 238000004891 communication Methods 0.000 claims abstract description 13
- 238000005192 partition Methods 0.000 claims description 10
- 239000010802 sludge Substances 0.000 claims 2
- 238000010276 construction Methods 0.000 abstract description 14
- 238000005202 decontamination Methods 0.000 abstract description 6
- 230000003588 decontaminative effect Effects 0.000 abstract description 6
- 230000009471 action Effects 0.000 abstract description 5
- 238000005119 centrifugation Methods 0.000 abstract description 5
- 230000005484 gravity Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 230000008021 deposition Effects 0.000 abstract 1
- 239000004576 sand Substances 0.000 description 23
- 230000001276 controlling effect Effects 0.000 description 14
- 238000004140 cleaning Methods 0.000 description 5
- 238000000151 deposition Methods 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 4
- 238000007667 floating Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 239000002893 slag Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000001112 coagulating effect Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Abstract
The utility model discloses a water treatment device for controlling overflow pollution, which comprises a multi-stage cyclone pool arranged on a rainwater-sewage combined overflow drain pipe, wherein the multi-stage cyclone pool is formed by sequentially connecting a plurality of cyclone pools; each cyclone pond comprises a cyclone chamber and a mud storage chamber arranged on one side of the cyclone chamber and communicated with the bottom of the cyclone chamber, wherein the bottom of the cyclone chamber is arranged obliquely downwards towards one side of the mud storage chamber and communicated with the mud storage chamber through a bottom communication port, and the depth of the mud storage chamber is larger than the maximum depth of the cyclone chamber. The rainwater and sewage combined sewage is subjected to cyclone in the cyclone tank, and the silt falls into the silt storage chamber along the bottom of the cyclone chamber under the action of cyclone centrifugation and gravity, so that the rainwater and sewage combined sewage is subjected to online decontamination, the problems of large construction investment, high running cost, large occupied area and the like of the conventional large-volume storage type sewage treatment tank are solved, the construction process is simple, the occupied area is small, and the silt deposition in the silt storage chamber is simple and convenient to decontaminate.
Description
Technical Field
The utility model relates to the technical field of municipal drainage, in particular to a water treatment device for controlling overflow pollution.
Background
With the improvement of social and economic development and town level, the problems of water environment pollution and protection are increasingly prominent. The drainage pipe network comprises a sewage pipe and a rainwater pipe, is an important infrastructure for urban water environment pollution control and waterlogging management, and is still one of the current common drainage systems, the sewage in dry seasons is intercepted and enters a sewage treatment plant, and the excessive rainwater and sewage in rainy seasons overflows and is discharged into a water body. For a rainwater-sewage combined drainage pipe network, because the flow rate is smaller in sunny days, a large amount of pollutants are deposited in the pipe network, and are washed into a water body in rainy days, and pollutants generated by washing the ground with rainwater, overflowed sewage and the like are additionally washed, so that serious overflow pollution is caused to a receiving water body.
Aiming at the control of the overflow pollution of the rain and sewage combined drainage pipe in the rainy day, the technology commonly adopted at present comprises an initial rainwater treatment system such as a regulating reservoir, a coagulating sedimentation system and the like, an artificial wetland and the like, but the application is still greatly limited due to the factors such as large construction investment, high running cost, large occupied area and the like.
Patent document CN201410305266.7 provides a rainwater pipeline whirlpool, including the grit chamber, the inlet tube, the outlet pipe and establish the sand collecting hopper at the grit chamber bottom of the pool, the sand Chi Demian slope, the top of grit chamber is equipped with the guide plate of a reverse round platform shape, guide plate center pin and grit chamber center pin coincidence, the trend of inlet tube is tangent with the lateral wall of grit chamber, the inlet tube cross section is the square, the outlet pipe top is connected with the lower border of guide plate, be equipped with a center post in order to prevent to fall into the silt deposit escape of sand collecting hopper in the top of sand collecting hopper, be equipped with the sand pump in the sand collecting hopper, the sand pump is through the connecting tube of interior center post with the silt deposit in the sand collecting hopper take out subaerial.
As can be seen from the above publication, the sand collecting hoppers of the existing cyclone sand setting tank are all arranged at the center of the bottom of the sand setting tank, and the structure has the advantages of large required volume, complex tank shape, high construction difficulty, limited decontamination effect and high construction investment cost; and the sand collecting hopper is positioned at the bottom of the center of the sand setting tank, so that the sand collecting hopper is inconvenient to clean, and the running management cost is high. Therefore, there is a need to provide a primary water purification treatment system for controlling the combined overflow of rain and sewage, which has low construction and operation cost, small occupied area and easy popularization and application, so as to reduce the influence of the combined overflow pollution on the water environment.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a water treatment device for controlling overflow pollution, which can solve the problems of large construction investment, high operation cost, large occupied area and the like of the existing large-volume storage type sewage treatment pool, and has the advantages of simple construction process, small occupied area and simple and convenient cleaning operation of depositing mud and sand in a mud storage chamber.
In order to solve the technical problems, the utility model adopts the following technical scheme: the water treatment device for controlling overflow pollution comprises a multi-stage cyclone pool which is arranged on a rainwater-sewage combined overflow drain pipe, wherein the multi-stage cyclone pool is formed by sequentially connecting a plurality of cyclone pools; each cyclone pond comprises a cyclone chamber and a mud storage chamber arranged on one side of the cyclone chamber and communicated with the bottom of the cyclone chamber, wherein the bottom of the cyclone chamber is arranged obliquely downwards towards one side of the mud storage chamber and communicated with the mud storage chamber through a bottom communication port, and the depth of the mud storage chamber is larger than the maximum depth of the cyclone chamber.
Preferably, the mud storage chamber is provided with a mud settling chamber which extends downwards continuously relative to the bottom communication port.
Preferably, the water inlet of the cyclone pool is arranged close to the wall of one side of the cyclone chamber, and the water outlet is arranged at the diagonal position of the water inlet.
Preferably, the water inlet and the water outlet are staggered in height.
Preferably, the swirl chamber communicates with the upper end of the mud storage chamber.
Preferably, a partition wall is arranged between the cyclone chamber and the mud storage chamber, a scum inlet is formed at one side of the upper end of the partition wall opposite to the water inlet, and a scum limiting retaining wall extends upwards at one side opposite to the water outlet.
Preferably, the scum inlet level is lower than the average of the cyclone pool levels.
Preferably, an even number of cyclone tanks are arranged on the rain and sewage combined overflow drain pipe, and the even number of cyclone tanks are connected in series.
Preferably, the multistage cyclone pool is arranged on a side branch of the rainwater-sewage combined overflow drainage pipeline through a cyclone branch.
Preferably, the overflow drain pipe of the rain and sewage combined system is provided with an overrun overflow pipe section, the multistage cyclone pond and the overrun overflow pipe section are arranged on the overflow drain pipe of the rain and sewage combined system in parallel, and the converging water inlet end of the multistage cyclone pond and the overrun overflow pipe section is provided with an overrun gate valve for controlling the communication of the overflow drain pipe of the rain and sewage combined system and the multistage cyclone pond or the overrun overflow pipe section.
The beneficial effects of the utility model are as follows:
according to the utility model, the multi-stage cyclone pool is designed on the rain and sewage combined overflow drain pipe, so that rain and sewage combined sewage is subjected to cyclone in the cyclone pool, mud and sand are enabled to sink into the bottom of the cyclone chamber under the action of cyclone centrifugation and gravity, and fall into the mud storage chamber along the bottom of the cyclone chamber, so that deposited pollutants in the rain and sewage combined pipeline are effectively trapped into the mud storage chamber, the influence of overflow pollution on a receiving water body is reduced, the on-line decontamination of the rain and sewage combined sewage is realized, and the problems of large construction investment, high operation cost, large occupied area and the like of the conventional large-volume storage type sewage treatment pool are solved. In addition, the mud storage chamber is arranged on one side of the cyclone chamber, so that the construction process is simple, the occupied area is small, and the dirt cleaning operation of depositing mud and sand in the mud storage chamber is facilitated.
The utility model is provided with a scum inlet at one side of the upper end of the partition wall opposite to the water inlet, and a scum limiting retaining wall extends upwards from one side opposite to the water outlet, wherein the level of the scum inlet is lower than the average liquid level of the cyclone pool; the floating slag on the rain sewage and the sewage is pushed by the rotational flow of the water body, floats into the mud storage chamber from the slag inlet, is blocked in the mud storage chamber by the slag limiting retaining wall, and realizes the filtering of the water body slag.
According to the utility model, an even number of cyclone tanks are arranged on the rainwater-sewage combined overflow drain pipe, and the even number of cyclone tanks are connected in series, so that the water inlet of the first cyclone tank and the water outlet of the last cyclone tank are positioned on the same side, the water outlet of the last cyclone tank is directly connected with the water outlet well of the cyclone tank through the water outlet pipe of the cyclone tank, and the direction conversion is not needed in the middle of the water outlet well through other water outlet wells, thereby facilitating smooth water circulation.
The utility model is provided with an overrun gate valve at the converging water inlet end of the multi-stage cyclone pool and the overrun overflow pipe section, which is used for controlling the rainwater and sewage converging overflow drainage pipeline to be communicated with the multi-stage cyclone pool or the overrun overflow pipe section; when the cyclone pool is required to be cleaned and decontaminated, the overrun gate valve is opened, so that rainwater and sewage combined flow and sewage directly flow out from the overrun overflow pipe section, and smooth drainage of the rainwater and sewage combined overflow drainage pipeline is ensured; when the cyclone pool is cleaned and decontaminated, the overrun gate valve is closed, so that the rain and sewage converging sewage enters the multistage cyclone pool from the water inlet pipe of the cyclone pool to perform sand setting and impurity removal.
Drawings
FIG. 1 is a schematic view of a water treatment apparatus for controlling overflow pollution according to an embodiment of the present utility model.
FIG. 2 is a schematic diagram of a cyclone basin in a water treatment apparatus for controlling overflow pollution according to an embodiment of the present utility model.
FIG. 3 is a schematic top view of a water treatment apparatus for controlling overflow pollution according to an embodiment of the present utility model.
The components in the drawings are marked as follows:
1. rain and sewage combined overflow drainage pipeline; 2. a cyclone pool; 3. a water inlet pipe of the cyclone pool; 4. a water outlet pipe of the cyclone pool; 5. a cyclone pool water inlet well; 6. a water outlet well of the cyclone pool; 21. a swirl chamber; 22. a mud storage chamber; 221. a mud settling chamber; 201. a water inlet; 202. a water outlet; 203. a bottom communication port; 23. a partition wall; 231. a dross inlet; 232. a scum limiting retaining wall; 7. overrun the overflow pipe section; 71. beyond the gate valve.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.
The utility model provides a water treatment device for controlling overflow pollution, which is shown in figures 1 to 3, and comprises a multi-stage cyclone pool 2 arranged on a rainwater-sewage combined overflow drainage pipeline 1, wherein the multi-stage cyclone pool 2 is formed by sequentially connecting a plurality of cyclone pools 2 end to end; each cyclone basin 2 comprises a cyclone chamber 21 and a mud storage chamber 22 arranged on one side of the cyclone chamber 21 and communicated with the bottom of the cyclone chamber 21, wherein the bottom of the cyclone chamber 21 is arranged obliquely downwards towards one side of the mud storage chamber 22, and is communicated with the mud storage chamber 22 through a bottom communication port 203, and the depth of the mud storage chamber 22 is larger than the maximum depth of the cyclone chamber 21.
The rainwater and sewage combined flow and sewage flows into the cyclone tank 2 through the rainwater and sewage combined overflow drainage pipeline 1, swirls in the cyclone chamber 21, silt is sunk into the bottom of the cyclone chamber 21 under the action of cyclone centrifugation and gravity, falls into the mud storage chamber 22 along the bottom of the cyclone chamber 21 and through the bottom communication port 203, effectively traps the deposited pollutants in the rainwater and sewage combined flow pipeline into the mud storage chamber 22, thereby reducing the influence of overflow pollution on the receiving water body, realizing online decontamination of the rainwater and sewage combined flow and sewage, and avoiding the need of a large amount of sewage treatment tanks such as a regulating tank, a coagulating sedimentation tank and the like which are built for storing the rainwater and sewage, and solving the problems of large construction investment, high running cost, large occupied area and the like. In addition, the mud storage chamber 22 is arranged at one side of the cyclone chamber 21, so that the construction process is simple, the occupied area is small, and the dirt cleaning operation of depositing mud and sand in the mud storage chamber 22 is convenient.
As shown in fig. 1, a cyclone tank water inlet well 5 and a cyclone tank water outlet well 6 are arranged on a rainwater and sewage combined overflow drainage pipeline 1, a multi-stage cyclone tank 2 is sequentially connected and arranged between the cyclone tank water inlet well 5 and the cyclone tank water outlet well 6, a water outlet 202 of a previous cyclone tank 2 in an adjacent cyclone tank 2 is connected with a water inlet 201 of a next cyclone tank 2, a water inlet 201 of a first cyclone tank 2 is connected with the cyclone tank water inlet well 5 through a cyclone tank water inlet pipe 3, and a water outlet 202 of a last cyclone tank 2 is connected with the cyclone tank water outlet well 6 through a cyclone tank water outlet pipe 4.
The cyclone tank 2 comprises a cyclone chamber 21 and a mud storage chamber 22, as shown in fig. 2, a water inlet 201 of the cyclone tank 2 is arranged close to a chamber wall at one side of the cyclone chamber 21, a water outlet 202 is arranged at a diagonal position of the water inlet 201, and the water inlet 201 and the water outlet 202 are staggered in height, so that rainwater and sewage combined sewage can conveniently generate and keep cyclone in the cyclone chamber 21; preferably, the bottom of the swirl chamber 21 is inclined downward from the water inlet 201 side to the water outlet 202 side. The cyclone chamber 21 and the mud storage chamber 22 are separated by a partition wall 23, the lower end of the partition wall 23 extends downwards to a position close to the bottom of the cyclone chamber 21, a bottom communication port 203 is reserved between the lower end of the partition wall 23 and the lowest position of the bottom of the cyclone chamber 21, and the mud storage chamber 22 continues to extend downwards relative to the bottom communication port 203 to form a mud settling chamber 221. The rainwater and sewage combined flow flows into the cyclone chamber 21 from the water inlet 201, and swirls in the cyclone chamber 21 along the wall of the cyclone chamber 21, so that the silt is sunk into the bottom of the cyclone chamber 21 under the action of the swirling centrifugation and gravity, slides down towards the mud storage chamber 22 along the inclined bottom of the cyclone chamber 21, and falls into the silt settling chamber 221 through the bottom communication port 203.
In order to further filter out the floating scum on the rain and sewage combined flow, the cyclone chamber 21 is communicated with the upper end of the mud storage chamber 22, so that the floating scum on the liquid level floats from the cyclone chamber 21 to the mud storage chamber 22. As shown in fig. 2 and 3, a scum inlet 231 is formed at the upper end of the partition wall 23 opposite to the water inlet 201, and a scum limiting retaining wall 232 is upwardly extended opposite to the water outlet 202, and the level of the scum inlet 231 is lower than the average liquid level of the cyclone 2. The floating scum on the rain sewage combined flow sewage floats into the mud storage chamber 22 from the scum inlet 231 under the pushing of the water body rotational flow, and is blocked in the mud storage chamber 22 by the scum limiting retaining wall 232, so that the filtering of the water body scum is realized.
As shown in fig. 1 and 3, the rainwater-sewage combined overflow drainage pipeline 1 is provided with the multistage cyclone tanks 2, each stage of cyclone tank 2 can remove mud and impurities from rainwater-sewage combined overflow drainage pipeline 2 discharged from the previous stage of cyclone tank, preferably, the rainwater-sewage combined overflow drainage pipeline 1 is provided with an even number of cyclone tanks 2, and the even number of cyclone tanks 2 are connected in series, so that the water inlet 201 of the first cyclone tank 2 and the water outlet 202 of the last cyclone tank 2 are positioned on the same side, the water outlet 202 of the last cyclone tank 2 is directly connected with the cyclone tank water outlet well 6 through the cyclone tank water outlet pipe 4, and the direction conversion is not needed in the middle of the water outlet well, so that the water body can smoothly circulate.
When a large amount of impurity muddy sand is stored in the mud storage chamber 22 in the multistage cyclone tank 2, the mud storage chamber 22 needs to be cleaned, and the cyclone chamber 21 needs to be cleaned, at this time, a water inlet channel of the multistage cyclone tank 2 needs to be closed, in order to avoid the problem that rainwater and sewage can not be discharged when the cyclone tank 2 is cleaned and cleaned, as shown in fig. 3, an overrun overflow pipe section 7 is arranged on the rainwater and sewage combined overflow drainage pipeline 1, the multistage cyclone tank 2 is arranged on the side branch of the rainwater and sewage combined overflow drainage pipeline 1 through a cyclone branch, and the multistage cyclone tank 2 and the overrun overflow pipe section 7 are arranged on the rainwater and sewage combined overflow drainage pipeline 1 in parallel. Preferably, gate valves are arranged on the water inlet 201 of the first-stage cyclone tank 2 and the water outlet 202 of the last-stage cyclone tank 2, and when the multi-stage cyclone tank 2 needs to be cleaned, the gate valves on the water inlet 201 of the first-stage cyclone tank 2 and the water outlet 202 of the last-stage cyclone tank 2 are closed, so that rainwater and sewage are prevented from flowing into the multi-stage cyclone tank 2.
And an overrun gate valve 71 is arranged at the converging water inlet end of the multi-stage cyclone pool 2 and the overrun overflow pipe section 7 and is used for controlling the rainwater and sewage converging overflow drainage pipeline 1 to be communicated with the multi-stage cyclone pool 2 or the overrun overflow pipe section 7. As shown in fig. 3, the cyclone tank 2 is connected with the cyclone tank water inlet well 5 through the cyclone tank water inlet pipe 3, the overflow pipe section 7 is also connected with the cyclone tank water inlet well 5, and an overflow gate valve 71 is arranged on an overflow port connected with the overflow pipe section 7 for controlling the rainwater and sewage combined overflow drainage pipeline 1 to be communicated with the multi-stage cyclone tank 2 or the overflow pipe section 7. When the cyclone tank 2 needs to be cleaned and decontaminated, the overrun gate valve 71 is opened, so that rain and sewage combined flow and sewage directly flows out from the overrun overflow pipe section 7, and smooth drainage of the rain and sewage combined overflow drainage pipeline 1 is ensured; when the cyclone tank 2 finishes cleaning and decontamination, the overrun gate valve 71 is closed, so that the rainwater and sewage combined flow and sewage enters the multistage cyclone tank 2 from the cyclone tank water inlet pipe 3 for sand setting and impurity removal.
The utility model provides a water treatment device for controlling overflow pollution, which is characterized in that a multistage cyclone tank 2 is designed on a rainwater-sewage combined overflow drainage pipeline 1, so that rainwater-sewage combined sewage is subjected to cyclone in the cyclone tank 2, mud sand is enabled to sink into the bottom of a cyclone chamber 21 under the action of cyclone centrifugation and gravity, and falls into a mud storage chamber 22 along the bottom of the cyclone chamber 21, thereby realizing on-line decontamination of the rainwater-sewage combined sewage and solving the problems of large construction investment, high operation cost, large occupied area and the like of the conventional large-volume storage type sewage treatment tank. In addition, the mud storage chamber 22 is arranged at one side of the cyclone chamber 21, so that the construction process is simple, the occupied area is small, and the dirt cleaning operation of depositing mud and sand in the mud storage chamber 22 is convenient.
The foregoing is only illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, and all equivalent structures or equivalent flow modifications which may be made by the teachings of the present utility model and the accompanying drawings or which may be directly or indirectly employed in other related art are within the scope of the utility model.
Claims (10)
1. The water treatment device for controlling overflow pollution is characterized by comprising a multi-stage cyclone pool which is arranged on a rainwater-sewage combined overflow drain pipe, wherein the multi-stage cyclone pool is formed by sequentially connecting a plurality of cyclone pools; each cyclone pond comprises a cyclone chamber and a mud storage chamber arranged on one side of the cyclone chamber and communicated with the bottom of the cyclone chamber, wherein the bottom of the cyclone chamber is arranged obliquely downwards towards one side of the mud storage chamber and communicated with the mud storage chamber through a bottom communication port, and the depth of the mud storage chamber is larger than the maximum depth of the cyclone chamber.
2. The water treatment device for controlling overflow pollution according to claim 1, wherein the sludge storage chamber is further provided with a sludge settling chamber extending downwards relative to the bottom communication port.
3. The water treatment device for controlling overflow pollution of claim 1, wherein the water inlet of the cyclone tank is arranged near a side wall of the cyclone chamber, and the water outlet is arranged at a diagonal position of the water inlet.
4. A water treatment apparatus for controlling overflow pollution as recited in claim 3, wherein the water inlet and the water outlet are staggered in height.
5. The water treatment apparatus for controlling overflow pollution of claim 1, wherein the cyclone chamber is in communication with an upper end of the mud storage chamber.
6. The water treatment device for controlling overflow pollution of claim 5, wherein a partition wall is arranged between the cyclone chamber and the mud storage chamber, a scum inlet is arranged at one side of the upper end of the partition wall opposite to the water inlet, and a scum limiting retaining wall extends upwards at one side opposite to the water outlet.
7. The water treatment device for controlling overflow pollution of claim 6, wherein the level of the scum inlet is below the average level of the cyclone pool level.
8. The water treatment device for controlling overflow pollution according to claim 1, wherein an even number of cyclone tanks are arranged on the rain and sewage combined overflow drain pipe, and the even number of cyclone tanks are connected in series.
9. The water treatment apparatus for controlling overflow pollution of claim 1, wherein the multi-stage cyclone tank is disposed on a side branch of the rain-sewage combined overflow drain line through a cyclone branch.
10. The water treatment device for controlling overflow pollution according to claim 9, wherein an overflow pipe section is arranged on the rainwater-sewage combined overflow drain pipe, the multi-stage cyclone pool and the overflow pipe section are arranged on the rainwater-sewage combined overflow drain pipe in parallel, and an overflow gate valve is arranged at the converging water inlet end of the multi-stage cyclone pool and the overflow pipe section and used for controlling the rainwater-sewage combined overflow drain pipe to be communicated with the multi-stage cyclone pool or the overflow pipe section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322493978.3U CN220766607U (en) | 2023-09-12 | 2023-09-12 | Water treatment device for controlling overflow pollution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322493978.3U CN220766607U (en) | 2023-09-12 | 2023-09-12 | Water treatment device for controlling overflow pollution |
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| Publication Number | Publication Date |
|---|---|
| CN220766607U true CN220766607U (en) | 2024-04-12 |
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ID=90602979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322493978.3U Active CN220766607U (en) | 2023-09-12 | 2023-09-12 | Water treatment device for controlling overflow pollution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220766607U (en) |
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2023
- 2023-09-12 CN CN202322493978.3U patent/CN220766607U/en active Active
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