CN219341910U - Combined weir plate for controlling multi-point water inflow flow distribution and sewage treatment equipment - Google Patents
Combined weir plate for controlling multi-point water inflow flow distribution and sewage treatment equipment Download PDFInfo
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- CN219341910U CN219341910U CN202320491696.7U CN202320491696U CN219341910U CN 219341910 U CN219341910 U CN 219341910U CN 202320491696 U CN202320491696 U CN 202320491696U CN 219341910 U CN219341910 U CN 219341910U
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- weir plate
- weir
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The utility model discloses a combined weir plate for controlling multi-point water inflow distribution and sewage treatment equipment, wherein an adjustable weir plate combination is arranged between a water inflow channel and a second reaction unit to realize uniform water inflow of the second reaction unit, the fixed weir plate combination and the adjustable weir plate combination both adopt rectangular weirs, the elevation of the weir tops is the same, the water inflow of the two water inflow units is only related to the water inflow weir length of the fixed weir plate combination, the water inflow weir length of the fixed weir plate combination is fixed, and the water inflow weir length of the adjustable weir plate combination is adjustable, so that the water inflow of the second reaction unit can be adjusted by adjusting the water inflow weir length of the adjustable weir plate combination, thereby indirectly adjusting the water inflow of the first reaction unit, and realizing the water inflow adjustment of any proportion among multi-point water inflow. And moreover, the combined weir plate has a simple structure, is convenient to adjust and operate, and greatly reduces overhaul and maintenance work.
Description
Technical Field
The utility model relates to the technical field of sewage treatment equipment, in particular to a combined weir plate for controlling multi-point water inflow flow distribution, and in addition, the utility model particularly relates to sewage treatment equipment adopting the combined weir plate.
Background
In sewage treatment, with the increasing demands of denitrification and dephosphorization, more and more sewage plants adopt multi-point water inlet biochemical treatment processes, such as a multi-stage AO process, a modified Bardenpho process and the like. However, how to adjust the distribution of the inflow water amount according to the actual inflow water quality often becomes a difficulty in controlling the operation process of the biochemical pool. The common measures include on-site adjustment by means of a manual butterfly valve, an electromagnetic flowmeter and the like, and although the measures can accurately reflect the water inflow rate in each water inflow unit, the electromagnetic flowmeter belongs to a precise instrument, the equipment failure rate is high, the maintenance period is short, and the actual running of a sewage plant is inconvenient. Currently, in order to solve the problem, a great deal of attempts are made by a plurality of scholars, for example, a patent of 'a multi-point water inflow control device of a biological pool' (CN 209590646U) discloses a technology for realizing water distribution of an anaerobic zone and an anoxic zone by adding a steel partition plate or a stop log in a water distribution system, but the technology can only realize water distribution with fixed proportion and cannot realize water regulation with any proportion. Therefore, how to realize adjustable and quantifiable water distribution weir combination in engineering becomes a key for solving the multi-point water inlet flow control of the biochemical tank.
Disclosure of Invention
The utility model provides a combined weir plate for controlling multi-point water inflow flow distribution and sewage treatment equipment, and aims to solve the technical problem that water inflow of multiple points cannot be regulated in any proportion in the prior art.
According to one aspect of the utility model, a combined weir plate for controlling multi-point water inflow distribution is provided, which comprises a water inlet pipe, a water inlet channel, a fixed weir plate combination and an adjustable weir plate combination, wherein the water inlet channel is respectively connected with the water inlet pipe, the first reaction unit and the second reaction unit and is used for realizing multi-point water inflow, the fixed weir plate combination and the adjustable weir plate combination are both rectangular weirs and have the same elevation of a weir top, the fixed weir plate combination is arranged between the water inlet channel and the first reaction unit and is used for realizing uniform water inflow of the first reaction unit, and the adjustable weir plate combination is arranged between the water inlet channel and the second reaction unit and is used for realizing uniform water inflow of the second reaction unit and adjusting the water inflow of the second reaction unit by adjusting the length of the water passing weir.
Further, the fixed weir plate combination comprises a fixed weir plate and a first concrete weir, wherein the fixed weir plate is horizontally installed on the first concrete weir through a first expansion bolt, the fixed weir plate is a rectangular flat-top weir plate, and the fixed weir plate is higher than the first concrete weir and has a length greater than or equal to that of the first concrete weir.
Further, a plurality of first longitudinal adjusting holes are formed in the fixed weir plate at intervals, the first expansion bolts penetrate through the first longitudinal adjusting holes and then are connected with the first concrete weir, and the first expansion bolts are adjusted to the middle positions of the first longitudinal adjusting holes during installation, so that the installation level of the weir top of the fixed weir plate is ensured.
Further, a first rubber gasket is disposed between the fixed weir plate and the first concrete weir.
Further, the adjustable weir plate combination includes first adjustable weir plate, second adjustable weir plate and second concrete weir, first adjustable weir plate, second adjustable weir plate are relative to set up and install through the second expansion bolts on the second concrete weir, first adjustable weir plate be the rectangle protruding weir plate the second adjustable weir plate is the rectangle concave weir plate, the weir top elevation of first adjustable weir plate and second adjustable weir plate is the same and is higher than the second concrete weir, the horizontal position of second adjustable weir plate is adjustable for the second adjustable weir plate, in order to adjust the adjustable water weir length of adjustable weir plate combination.
Further, a plurality of transverse adjusting holes are formed in the first adjustable weir plate at intervals, a plurality of second longitudinal adjusting holes are formed in the second adjustable weir plate at intervals, the sizes and interval distances of the transverse adjusting holes and the second longitudinal adjusting holes are the same, the central elevations of the transverse adjusting holes and the second longitudinal adjusting holes are consistent, the second expansion bolts correspondingly penetrate through the transverse adjusting holes and the second longitudinal adjusting holes in sequence and then are connected with the second concrete weir, adjusting rods are fixedly arranged on the surface, far away from the second adjustable weir plate, of the first adjustable weir plate, the horizontal positions of the first adjustable weir plate relative to the second adjustable weir plate are adjusted through holding the adjusting rods after the second expansion bolts are loosened, and therefore the overlapping parts of the first adjustable weir plate and the second adjustable weir plate are adjusted, and the water passing weir length is adjusted.
Further, a second rubber gasket is arranged between the first adjustable weir plate and the second adjustable weir plate and between the second adjustable weir plate and the second concrete weir.
Further, the length of the convexity of the first adjustable weir plate is greater than the length of the concavity of the second adjustable weir plate.
Further, the adjustable weir plate combination is uniformly provided with a water weir length metering scale, a water inlet flowmeter is arranged between the water inlet pipe and the water inlet channel, the water inlet flow of the second reaction unit is obtained by reading the water weir length value of the position of the adjustable weir plate combination, and the water inlet flow of the first reaction unit is obtained by calculating the metering result of the water inlet flowmeter.
In addition, the utility model also provides sewage treatment equipment which adopts the combined weir plate.
The utility model has the following effects:
in the combined weir plate for controlling the multi-point water inflow distribution, sewage introduced by the water inlet pipe is simultaneously distributed to the first reaction unit and the second reaction unit of the sewage treatment equipment through the water inlet channel, so that multi-point water inflow is realized. The fixed weir plate combination is arranged between the water inlet channel and the first reaction unit to realize uniform water inlet of the first reaction unit, the adjustable weir plate combination is arranged between the water inlet channel and the second reaction unit to realize uniform water inlet of the second reaction unit, the fixed weir plate combination and the adjustable weir plate combination both adopt rectangular weirs, the elevation of the weir tops is the same, the water inlet flow of the two water inlet units is only related to the water inlet weir length of the fixed weir plate combination, the water inlet weir length of the fixed weir plate combination is fixed, and the water inlet weir length of the adjustable weir plate combination is adjustable, so that the water inlet flow of the second reaction unit can be adjusted by adjusting the water inlet weir length of the adjustable weir plate combination, thereby indirectly adjusting the water inlet flow of the first reaction unit, and realizing the water regulation of any proportion between multi-point water inlet. And moreover, the combined weir plate has a simple structure, is convenient to adjust and operate, and greatly reduces overhaul and maintenance work.
In addition, the sewage treatment apparatus of the present utility model also has the above-described advantages.
In addition to the objects, features and advantages described above, the present utility model has other objects, features and advantages. The present utility model will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
fig. 1 is a schematic view of the structure of a combined weir plate for controlling the distribution of multi-point water inflow according to a preferred embodiment of the present utility model.
Fig. 2 is a schematic view of the structure of a fixed slice assembly according to a preferred embodiment of the utility model.
Fig. 3 is a schematic view of the structure of a fixed slice in accordance with a preferred embodiment of the present utility model.
Fig. 4 is a schematic view of the structure of an adjustable slice assembly according to a preferred embodiment of the utility model.
Fig. 5 is a schematic view of the structure of a first adjustable weir plate according to a preferred embodiment of the present utility model.
Fig. 6 is a schematic structural view of a second adjustable weir plate according to a preferred embodiment of the present utility model.
Description of the reference numerals
1. A water inlet pipe; 2. a water inlet channel; 3. fixing a weir plate combination; 4. an adjustable weir plate combination; 5. a water inlet flowmeter; 100. a first reaction unit; 200. a second reaction unit; 31. fixing a weir plate; 32. a first concrete weir; 33. a first expansion bolt; 34. a first longitudinal adjustment aperture; 35. a first rubber gasket; 41. a first adjustable weir plate; 42. a second adjustable weir plate; 43. a second concrete weir; 44. a second expansion bolt; 45. a lateral adjustment aperture; 46. a second longitudinal adjustment aperture; 47. an adjusting rod; 48. and a second rubber gasket.
Detailed Description
Embodiments of the utility model are described in detail below with reference to the attached drawing figures, but the utility model can be practiced in a number of different ways, as defined and covered below.
It will be appreciated that as shown in fig. 1, the preferred embodiment of the present utility model provides a combined weir plate for controlling multi-point water inflow distribution, comprising a water inlet pipe 1, a water inlet channel 2, a fixed weir plate combination 3 and an adjustable weir plate combination 4, wherein the water inlet channel 2 is respectively connected with the water inlet pipe 1, the first reaction unit 100 and the second reaction unit 200, and sewage introduced from the water inlet pipe 1 is simultaneously distributed to the first reaction unit 100 and the second reaction unit 200 of the sewage treatment equipment through the water inlet channel 2, thereby realizing multi-point water inflow. The fixed weir plate combination 3 and the adjustable weir plate combination 4 are rectangular weirs, the elevation of the weir tops is the same, and according to the relationship between the weir length and the flow of the rectangular weirs: q=m 0 *b*(2g) 0.5 *H 0 1.5 It is known that, where m 0 Represents the flow coefficient, b represents the weir width (i.e. the water weir length), H 0 Representing the water head of the weir, for different water inlet sections of the same biochemical pool, m can be controlled through the water inlet channel and the water depth in the biochemical pool 0 And H 0 The same applies to the water inflow of each reaction unit only in relation to the weir width b. The fixed weir plate combination 3 is arranged between the water inlet channel 2 and the first reaction unit 100 and is used for realizing uniform water inlet of the first reaction unit 100, the length of the fixed weir plate combination 3 is fixed, the water passing weir length is fixed, and the adjustable weir plate combination 4 is arrangedThe adjustable weir plate combination 4 is arranged between the water inlet channel 2 and the second reaction unit 200 and is used for realizing uniform water inlet of the second reaction unit 200, the water inlet flow of the second reaction unit 200 can be adjusted by adjusting the water weir length of the adjustable weir plate combination, and the water inlet flow of the first reaction unit 100 can be indirectly adjusted under the condition that the total water inlet flow is known, so that the water quantity of any proportion among multi-point water inlet can be adjusted.
It can be understood that in the combined weir plate for controlling the multi-point water inflow distribution of the present embodiment, the sewage introduced from the water inlet pipe 1 is simultaneously distributed to the first reaction unit 100 and the second reaction unit 200 of the sewage treatment apparatus through the water inlet channel 2, so as to realize multi-point water inflow. And the fixed weir plate combination 3 is arranged between the water inlet channel 2 and the first reaction unit 100 to realize uniform water inlet of the first reaction unit 100, the adjustable weir plate combination 4 is arranged between the water inlet channel 2 and the second reaction unit 200 to realize uniform water inlet of the second reaction unit 200, the fixed weir plate combination 3 and the adjustable weir plate combination 4 both adopt rectangular weirs and the elevation of the weir tops is the same, the water inlet flow of the two water inlet units is only related to the water inlet weir length thereof, the water inlet weir length of the fixed weir plate combination 3 is fixed, the water inlet weir length of the adjustable weir plate combination 4 is adjustable, so that the water inlet flow of the second reaction unit 200 can be adjusted by adjusting the water inlet weir length of the adjustable weir plate combination 4, thereby indirectly adjusting the water inlet flow of the first reaction unit 100, and realizing any water quantity adjustment between multiple points of water inlet. And moreover, the combined weir plate has a simple structure, is convenient to adjust and operate, and greatly reduces overhaul and maintenance work.
As shown in fig. 2, the fixed weir plate assembly 3 includes a fixed weir plate 31 and a first concrete weir 32, the fixed weir plate 31 is horizontally mounted on the first concrete weir 32 by a first expansion bolt 33, the fixed weir plate 31 is a rectangular flat-top weir plate, sewage enters the first reaction unit 100 from the top of the fixed weir plate 31, the fixed weir plate 31 is higher than the first concrete weir 32, water blocking of the first concrete weir 32 is avoided, and the length of the fixed weir plate 31 is greater than or equal to the first concrete weir 32 so as to ensure that the overflow weir length is fixed. In addition, as shown in fig. 3, a plurality of first longitudinal adjustment holes 34 are spaced apart from each other on the fixed weir plate 31, the first expansion bolts 33 are connected to the first concrete weir 32 after passing through the first longitudinal adjustment holes 34, and the first expansion bolts 33 are adjusted to the middle positions of the first longitudinal adjustment holes 34 during installation, so as to ensure the weir top installation level of the fixed weir plate 31, thereby ensuring uniform water distribution of the fixed weir plate combination 3 and uniform water inlet of the first reaction unit 100. Optionally, a first rubber gasket 35 is provided between the fixed weir plate 31 and the first concrete weir 32 to ensure a water-stopping effect between the fixed weir plate 31 and the first concrete weir 32. Optionally, a plurality of first longitudinal adjustment holes 34 are uniformly spaced and equally sized.
In addition, as shown in fig. 4, the adjustable weir plate assembly 4 includes a first adjustable weir plate 41, a second adjustable weir plate 42 and a second concrete weir 43, the first and second adjustable weir plates 41, 42 being disposed opposite and mounted on the second concrete weir 43 by a second expansion bolt 44. The first adjustable weir plate 41 is a rectangular convex weir plate, the second adjustable weir plate 42 is a rectangular concave weir plate, and the weir top elevations of the first adjustable weir plate 41 and the second adjustable weir plate 42 are the same and higher than those of the second concrete weir 43, so that on one hand, the flow is only in direct proportion to the weir length, the purpose of adjusting the weir length to achieve flow adjustment is achieved, and on the other hand, the second concrete weir 43 is prevented from blocking water. In addition, the elevation of the weir tops of the first adjustable weir plate 41 and the second adjustable weir plate 42 is the same as that of the fixed weir plate 31, so that the weir upper heads of the two reaction units are consistent. The second adjustable weir plate 42 is horizontally mounted, ensuring uniformity of water distribution. The horizontal position of the first adjustable weir plate 41 relative to the second adjustable weir plate 42 is adjustable, and the overlapping part of the first adjustable weir plate 41 and the second adjustable weir plate 42 can be adjusted, so that the water passing weir length of the adjustable weir plate combination 4 can be adjusted, and the inflow of the second reaction unit 200 can be adjusted.
Specifically, as shown in fig. 5 and 6, the first adjustable weir plate 41 is provided with a plurality of transverse adjusting holes 45 at intervals, the second adjustable weir plate 42 is provided with a plurality of second longitudinal adjusting holes 46 at intervals, the sizes and the interval distances of the transverse adjusting holes 45 and the second longitudinal adjusting holes 46 are the same, and the central elevations of the transverse adjusting holes 45 and the second longitudinal adjusting holes 46 are consistent, so that the uniformity of water inflow of the second reaction unit 200 is ensured, and short flow is prevented. The second expansion bolts 44 pass through the transverse adjusting holes 45 and the second longitudinal adjusting holes 46 in sequence and then are connected with the second concrete weir 43, and the second expansion bolts 44 are adjusted to the middle position of the second longitudinal adjusting holes 46 during installation so as to ensure the installation level of the second adjustable weir plate 42, thereby ensuring uniform water inflow of the first reaction unit 100. The surface of the first adjustable weir plate 41 far away from the second adjustable weir plate 42 is fixedly provided with an adjusting rod 47, preferably arranged at the left end and the right end of the first adjustable weir plate 41, when the second expansion bolt 44 is loosened, the horizontal position of the first adjustable weir plate 41 relative to the second adjustable weir plate 42 is adjusted by holding the adjusting rod 47, namely the horizontal position of the second expansion bolt 44 in the transverse adjusting hole 45 is adjusted, and the overlapped part of the first adjustable weir plate 41 and the second adjustable weir plate 42 can be adjusted, so that the water passing weir length of the adjustable weir plate combination 4 is adjusted.
Optionally, a second rubber gasket 48 is arranged between the first adjustable weir plate 41 and the second adjustable weir plate 42 and between the second adjustable weir plate 42 and the second concrete weir 43, so as to ensure a water stopping effect between the first adjustable weir plate 41 and the second adjustable weir plate 42 and between the second adjustable weir plate 42 and the second concrete weir 43. In addition, the length of the convex part of the first adjustable weir plate 41 is longer than the length of the concave part of the second adjustable weir plate 42, so that the water inlet proportion of the second reaction unit 200 can be started from 0%.
In addition, the adjustable weir plate combination 4 is uniformly provided with a water passing weir length metering scale, and is specifically arranged on the surface of the first adjustable weir plate 41 far away from the second adjustable weir plate 42, a water inlet flowmeter 5 is arranged between the water inlet pipe 1 and the water inlet channel 2, the water inlet flow of the second reaction unit 200 can be calculated by reading the water passing weir length value at the first adjustable weir plate 41, the water inlet flow of the first reaction unit 100 can be calculated by combining the metering result of the water inlet flowmeter 5, and the water inlet flow proportion of each reaction unit can be accurately regulated, so that the quantitative regulation of the multi-point water inlet proportion can be realized.
In addition, the fixed slice 31, the first adjustable slice 41 and the second adjustable slice 42 may be any one of stainless steel plates, high density polyvinyl chloride plates, glass fiber reinforced plastic plates, carbon steel plates, etc., and preferably stainless steel 304 slice is used.
In addition, another embodiment of the utility model also provides a sewage treatment plant, preferably employing a combined weir plate as described above.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. The utility model provides a control multiple spot water inflow distribution's combination weir plate, its characterized in that includes inlet tube (1), inlet channel (2), fixed weir plate combination (3) and adjustable weir plate combination (4), inlet channel (2) are connected with inlet tube (1), first reaction unit (100), second reaction unit (200) respectively for realize multiple spot water inflow, fixed weir plate combination (3) and adjustable weir plate combination (4) all adopt rectangular weir and weir top elevation the same, fixed weir plate combination (3) set up between inlet channel (2) and first reaction unit (100) for realize the even water inflow of first reaction unit (100), adjustable weir plate combination (4) set up between inlet channel (2) and second reaction unit (200) for realize the even water inflow of second reaction unit (200) and through adjusting the water overflow weir length in order to adjust the water inflow of second reaction unit (200).
2. The combined weir plate for controlling multipoint water inlet flow distribution according to claim 1, wherein the fixed weir plate combination (3) comprises a fixed weir plate (31) and a first concrete weir (32), the fixed weir plate (31) is horizontally mounted on the first concrete weir (32) by a first expansion bolt (33), the fixed weir plate (31) is a rectangular flat top weir plate, and the fixed weir plate (31) is higher than the first concrete weir (32) and has a length greater than or equal to the first concrete weir (32).
3. A combined weir plate for controlling multipoint water inlet flow distribution according to claim 2, wherein the fixed weir plate (31) is provided with a plurality of first longitudinal adjustment holes (34) at intervals, the first expansion bolts (33) are connected to the first concrete weir (32) after passing through the first longitudinal adjustment holes (34), and the first expansion bolts (33) are adjusted to the intermediate positions of the first longitudinal adjustment holes (34) during installation to ensure the level of weir top installation of the fixed weir plate (31).
4. A combined weir plate for controlling multipoint inlet water flow distribution according to claim 2, wherein a first rubber gasket (35) is arranged between the fixed weir plate (31) and the first concrete weir (32).
5. A combined weir plate for controlling multipoint inlet water flow distribution according to claim 1, wherein the adjustable weir plate combination (4) comprises a first adjustable weir plate (41), a second adjustable weir plate (42) and a second concrete weir (43), the first adjustable weir plate (41), the second adjustable weir plate (42) being arranged opposite and mounted on the second concrete weir (43) by means of a second expansion bolt (44), the first adjustable weir plate (41) being a rectangular convex weir plate, the second adjustable weir plate (42) being a rectangular concave weir plate, the weir tops of the first adjustable weir plate (41) and the second adjustable weir plate (42) being the same and higher than the second concrete weir (43), the second adjustable weir plate (42) being mounted horizontally, the horizontal position of the first adjustable weir plate (41) relative to the second adjustable weir plate (42) being adjustable to adjust the adjustable weir length of the adjustable weir plate combination (4).
6. A combined weir plate for controlling multi-point inlet flow distribution according to claim 5, wherein a plurality of transverse adjusting holes (45) are arranged on the first adjustable weir plate (41) at intervals, a plurality of second longitudinal adjusting holes (46) are arranged on the second adjustable weir plate (42) at intervals, the sizes and interval distances of the plurality of transverse adjusting holes (45) and the plurality of second longitudinal adjusting holes (46) are the same, the central elevations of the transverse adjusting holes (45) and the second longitudinal adjusting holes (46) are consistent, the second expansion bolts (44) correspondingly penetrate through the transverse adjusting holes (45) and the second longitudinal adjusting holes (46) in sequence and then are connected with the second concrete weir (43), an adjusting rod (47) is fixedly arranged on the surface of the first adjustable weir plate (41) far away from the second adjustable weir plate (42), and the first adjustable weir plate (41) and the second adjustable weir plate (42) can be overlapped by holding the adjusting rod (47) after the second expansion bolts (44) are loosened.
7. A combined weir plate for controlling the distribution of a multipoint inlet water flow according to claim 5, wherein a second rubber gasket (48) is arranged between the first (41) and second (42) adjustable weir plates and between the second (42) and second concrete weir (43).
8. A combined slice for controlling multipoint inlet water flow distribution according to claim 5, characterized in that the length of the convexity of the first adjustable slice (41) is greater than the length of the concavity of the second adjustable slice (42).
9. The combined weir plate for controlling the multipoint water inlet flow distribution according to claim 1, wherein the adjustable weir plate combination (4) is uniformly provided with a water inlet weir length metering scale, a water inlet flowmeter (5) is arranged between the water inlet pipe (1) and the water inlet channel (2), the water inlet flow of the second reaction unit (200) is obtained by reading the water inlet weir length value at the adjustable weir plate combination (4) and then the water inlet flow of the first reaction unit (100) is obtained by calculating by combining the metering result of the water inlet flowmeter (5).
10. A sewage treatment plant, characterized in that a combined slice as claimed in any one of claims 1-9 is used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320491696.7U CN219341910U (en) | 2023-03-15 | 2023-03-15 | Combined weir plate for controlling multi-point water inflow flow distribution and sewage treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320491696.7U CN219341910U (en) | 2023-03-15 | 2023-03-15 | Combined weir plate for controlling multi-point water inflow flow distribution and sewage treatment equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219341910U true CN219341910U (en) | 2023-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320491696.7U Active CN219341910U (en) | 2023-03-15 | 2023-03-15 | Combined weir plate for controlling multi-point water inflow flow distribution and sewage treatment equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219341910U (en) |
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2023
- 2023-03-15 CN CN202320491696.7U patent/CN219341910U/en active Active
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