CN218501357U - Accurate water distribution system equipment of secondary sedimentation tank - Google Patents
Accurate water distribution system equipment of secondary sedimentation tank Download PDFInfo
- Publication number
- CN218501357U CN218501357U CN202222356676.7U CN202222356676U CN218501357U CN 218501357 U CN218501357 U CN 218501357U CN 202222356676 U CN202222356676 U CN 202222356676U CN 218501357 U CN218501357 U CN 218501357U
- Authority
- CN
- China
- Prior art keywords
- water distribution
- opening
- branch pipe
- sedimentation tank
- closing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
Landscapes
- Auxiliary Devices For Machine Tools (AREA)
Abstract
The utility model relates to an accurate water distribution system equipment of two heavy ponds relates to sedimentation tank technical field, appears the uneven problem of water distribution easily when solving the distribution tank and carrying out the water distribution to a plurality of sedimentation tanks, and it includes distribution tank and a plurality of sedimentation tank bodies, be provided with on the distribution tank be used for with one of it the water distribution device that the sedimentation tank body is linked together, adjacent all be provided with intercommunication mechanism between the sedimentation tank body, intercommunication mechanism is including intercommunication branch pipe and the subassembly of opening and close that is used for controlling the inside break-make of intercommunication branch pipe, the both ends of intercommunication branch pipe are linked together with adjacent sedimentation tank body respectively. This application has the effect that improves the accuracy of water distribution.
Description
Technical Field
The application relates to the technical field of sedimentation tanks, in particular to accurate water distribution system equipment for a secondary sedimentation tank.
Background
The sedimentation tank is a common structure for separating suspended solids, and the secondary sedimentation tank is an important component of an activated sludge system and has the functions of separating sludge, clarifying mixed liquor, concentrating and refluxing activated sludge; the common sedimentation tank has three types, namely a horizontal flow type, a vertical flow type and a radial flow type according to the total flow direction of water in the tank. A horizontal flow type sedimentation tank: the tank is rectangular, one section of the tank is filled with water, the other end of the tank is filled with water, and a mud storage hopper is arranged at the inlet of the tank; a vertical flow sedimentation tank: the water flow in the pool is from bottom to top, the tooth form is mostly circular, the pool has a square or polygonal shape, the center is filled with water, the periphery of the pool is drained, and the mud storage hopper is arranged in the center of the pool; a radial flow sedimentation tank: the water flow flows to the periphery of the pool from the center of the pool in a radial flow mode or flows into the center of the pool from the periphery, and the mud storage hopper is arranged at the center of the pool.
In the prior art, the number of sedimentation tanks or the number of divisions of a horizontal-flow sedimentation tank is not less than 2, 4 sedimentation tanks are usually designed and built for sewage treatment, the sedimentation tanks uniformly supply water through a distribution tank, and the water distribution is divided through a plurality of pipelines in the water distribution process, so that the water distribution among the sedimentation tanks is not uniform, the sludge inlet concentration, the sludge discharge speed, the sludge layer height and the like are influenced, and the sewage cannot reach the discharge standard in serious cases, so the improvement is needed.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that uneven water distribution easily occurs when the distribution tank distributes water to a plurality of sedimentation tanks, the application provides accurate water distribution system equipment for the secondary sedimentation tank.
The application provides an accurate water distribution system equipment of two heavy ponds adopts following technical scheme:
the accurate water distribution system equipment for the secondary sedimentation tank comprises a water distribution tank and a plurality of sedimentation tanks, wherein a water distribution device communicated with one of the sedimentation tanks is arranged on the water distribution tank, intercommunication mechanisms are arranged between the adjacent sedimentation tanks and comprise intercommunication branch pipes and opening and closing assemblies used for controlling the on-off of the insides of the intercommunication branch pipes, and two ends of each intercommunication branch pipe are respectively communicated with the adjacent sedimentation tanks.
Because the number of sedimentation tanks or the number of divisions of the existing horizontal flow sedimentation tank is not less than 2, 4 sedimentation tanks are usually designed and built for sewage treatment, the sedimentation tanks all supply water uniformly through one water distribution tank, and the water is distributed through a plurality of pipelines in the water distribution process, so that the water distribution among the sedimentation tanks is uneven, the sludge inlet concentration, the sludge discharge speed, the sludge layer height and the like are influenced, and the sewage can not reach the discharge standard in serious cases; by adopting the technical scheme, before the sedimentation tanks work, the water distribution device is started, the water distribution device distributes water into one of the sedimentation tanks, the opening and closing assembly is in an open state in the water distribution process, the sedimentation tanks are mutually communicated through the communicating branch pipes, so that the water levels among the plurality of water distribution tanks are kept consistent, after water is uniformly distributed in the plurality of sedimentation tanks, the water distribution device is closed, and meanwhile, the opening and closing assemblies of adjacent sedimentation tank parts close the communicating branch pipes, so that the water distribution work of the plurality of sedimentation tanks is completed; through the setting of water distribution device, intercommunication branch pipe and start-stop subassembly, help realizing the unified water distribution to a plurality of sedimentation tank bodies, and the water distribution is accurate, even, reduces the less possibility of water distribution volume in a certain sedimentation tank body, reduces the inhomogeneous influence later stage sewage treatment's of water distribution possibility simultaneously.
Optionally, the opening and closing assembly comprises an opening and closing ring plate, an ejector rod and an opening and closing cylinder for driving the opening and closing ring plate to lift, the opening and closing cylinder is arranged on the outer wall of the intercommunication branch pipe, the output end of the opening and closing cylinder is connected to the ejector rod, one end, far away from the opening and closing cylinder, of the ejector rod is connected with the opening and closing ring plate, and the opening and closing cylinder is shielded at the opening of the intercommunication branch pipe.
By adopting the technical scheme, the opening and closing assembly consists of the opening and closing ring plate, the ejector rod and the opening and closing cylinder, when water is uniformly distributed in a plurality of sedimentation tanks, the opening and closing cylinder is started to move the opening and closing cylinder, and the ejector rod drives the opening and closing ring plate to move until the opening of the intercommunicating branch pipe is shielded by the opening and closing ring plate, so that the adjacent sedimentation tanks are sealed; through opening and close the setting of crown plate, ejector pin and opening and close the cylinder, help realizing the inside break-make of intercommunication branch pipe, reduce the possibility that adjacent sedimentation tank body took place the circulation when later stage sedimentation tank body carries out sewage treatment.
Optionally, a semicircular arc seat is arranged at one end, close to the opening and closing ring plate, of the intercommunicating branch pipe, an opening of the semicircular arc seat is arranged towards one side of the opening and closing ring plate, and the opening and closing ring plate is inserted on the inner wall of the semicircular arc seat.
By adopting the technical scheme, one end of the intercommunicating branch pipe is fixedly connected with the semicircular arc seat; when the adjacent sedimentation tanks need to be closed, the opening and closing cylinder is started, the ejector rod drives the opening and closing annular plate to lift, the opening and closing annular plate gradually covers the opening of the intercommunicating branch pipe, and the opening and closing annular plate is inserted into the semicircular arc seat to realize the closing of the intercommunicating branch pipe; through the setting of semicircle arc seat, stability when opening and close the crown plate has helped improving.
Optionally, a filtering component for preventing blockage is arranged at the opening of the intercommunicating branch pipe, the filtering component comprises a shell and a filtering net, the shell is arranged at the opening of the intercommunicating branch pipe, the shell is of a hollow structure, and the filtering net is arranged on the inner wall of the shell.
By adopting the technical scheme, the filtering component is arranged at the opening of the intercommunicating branch pipe and consists of a shell and a filtering net, the shell is arranged at the opening of the intercommunicating branch pipe, and the filtering net is welded and fixed on the inner wall of the shell; through the arrangement of the shell and the filter screen, the possibility that pollutants such as floatables are attached to the intercommunicating branch pipes to cause blockage in the water distribution process is reduced, and the smoothness in the adjacent sedimentation tanks is ensured.
Optionally, an installation groove is formed in the inner wall of the intercommunicating branch pipe, an installation block is arranged on the outer wall of the housing, and the installation block is inserted in the installation groove and is matched with the inner wall of the installation groove.
By adopting the technical scheme, the inner walls of the intercommunicating branch pipes are provided with the mounting grooves, the outer wall of the shell is fixedly welded with the mounting blocks, and the mounting blocks are inserted in the mounting grooves to realize the mounting and fixing of the shell; through the setting of mounting groove and installation piece, help realizing the dismantlement processing of filter screen, thereby reduce the possibility that intercommunication branch pipe blockked up appears in a large amount of impurity on the filter screen, be convenient for wash convenient operation after dismantling the filter screen.
Optionally, a set screw for fixing with the intercommunicating branch pipe is arranged on the mounting block, and the set screw penetrates through the mounting block and is in threaded connection with the bottom wall of the mounting groove.
By adopting the technical scheme, the mounting block is provided with the set screw; through the arrangement of the fastening screws, the possibility that the shell is easily separated from the intercommunicating branch pipe is reduced, and the shell and the intercommunicating branch pipe are reliably fixed.
Optionally, the water distribution device includes a water distribution pipe, a water distribution valve, and a water distribution pump for controlling water flow to flow out, one end of the water distribution pump is communicated with the water distribution tank, the other end of the water distribution pump is communicated with the water distribution pipe, one end of the water distribution pipe far away from the water distribution pump is communicated with the sedimentation tank body, the water distribution valve is arranged on the water distribution pipe, and the water distribution valve is used for controlling on-off of water flow in the water distribution pipe.
By adopting the technical scheme, the water distribution device consists of a water distribution pipe, a water distribution valve and a water distribution pump, when water needs to be distributed in the sedimentation tank body, the water distribution pump is started, the water distribution valve is in an open state at the moment, and water flow enters the sedimentation tank body through the water distribution pipe; the arrangement of the water distribution valve, the water distribution pipe and the water distribution pump is beneficial to realizing the circulation of the water distribution tank and the sedimentation tank body.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the arrangement of the water distribution device, the intercommunicating branch pipes and the opening and closing assembly is beneficial to realizing uniform water distribution of a plurality of sedimentation tank bodies, the water distribution is accurate and uniform, the possibility of less water distribution in a certain sedimentation tank body is reduced, and the possibility of influence on later-stage sewage treatment caused by nonuniform water distribution is reduced;
2. the arrangement of the opening and closing ring plate, the ejector rod and the opening and closing cylinder is beneficial to realizing the on-off of the inner parts of the communicated branch pipes, and the possibility of the circulation of the adjacent sedimentation tank bodies when the later sedimentation tank bodies are subjected to sewage treatment is reduced;
3. through the arrangement of the shell and the filter screen, the possibility of blockage caused by pollutants such as floatage and the like attached to the intercommunicating branch pipes in the water distribution process is reduced, and the smoothness in the adjacent sedimentation tanks is ensured.
Drawings
Fig. 1 is a schematic structural diagram of a secondary sedimentation tank accurate water distribution system in the embodiment of the application.
Fig. 2 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A in fig. 1.
FIG. 3 is a schematic structural diagram for showing a connection relationship between the opening and closing cylinder and the opening and closing ring plate in the embodiment of the present application.
Fig. 4 is an enlarged view of a portion a of fig. 1.
Description of the reference numerals: 1. a distribution tank; 2. a sedimentation tank body; 3. a water distribution device; 31. a water distribution pipe; 32. a water distribution valve; 33. a water distribution pump; 4. an interworking mechanism; 41. intercommunicating branch pipes; 411. mounting grooves; 42. an opening and closing assembly; 421. opening and closing the ring plate; 422. a top rod; 423. opening and closing the air cylinder; 5. a semicircular arc seat; 6. a filter assembly; 61. a housing; 611. mounting a block; 62. a filter screen; 7. and (6) tightening the screw.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses accurate water distribution system equipment for a secondary sedimentation tank. Referring to fig. 1, the precise water distribution system equipment for the secondary sedimentation tank comprises a distribution tank 1 and a plurality of sedimentation tanks 2, the shape of the sedimentation tanks 2 is consistent, the sedimentation tanks 2 are uniformly distributed in sequence, preferably, the number of the sedimentation tanks 2 in the embodiment can be 4, a water distribution device 3 communicated with one sedimentation tank 2 is installed on the distribution tank 1, and an interconnection mechanism 4 is installed between every two adjacent sedimentation tanks 2.
Referring to fig. 1, the water distribution device 3 includes a water distribution pipe 31, a water distribution valve 32 and a water distribution pump 33 for controlling water flow, one end of the water distribution pump 33 is connected to the water distribution tank 1, an output end of the water distribution pump 33 is connected to the water distribution pipe 31, one end of the water distribution pipe 31 far from the water distribution pump 33 is connected to one of the sedimentation tanks 2, and the water distribution valve 32 is installed on the water distribution pipe 31 for controlling the on-off of water flow passing through the water distribution pipe 31.
Referring to fig. 1 and 2, each of the intercommunicating mechanisms 4 includes an intercommunicating branch pipe 41 and an opening and closing assembly 42 for controlling the opening and closing of the inside of the intercommunicating branch pipe 41, in this embodiment, the intercommunicating branch pipe 41 may be L-shaped, two ends of the intercommunicating branch pipe 41 are respectively communicated with the adjacent sedimentation tanks 2 to realize the communication between the adjacent sedimentation tanks 2, and the intercommunicating branch pipe 41 is disposed at the lowest point of the sedimentation tanks 2 to facilitate the communication between the adjacent sedimentation tanks 2.
Referring to fig. 3 and 4, the opening and closing assembly 42 includes an opening and closing ring plate 421, a push rod 422, and an opening and closing cylinder 423 for driving the opening and closing ring plate 421 to ascend and descend, the opening and closing cylinder 423 is installed on an outer wall of the communicating branch pipe 41, the opening and closing cylinder 423 is vertically installed on the communicating branch pipe 41, one end of the push rod 422 is welded and fixed to an output end of the opening and closing cylinder 423, the other end of the push rod 422 is welded and fixed to the opening and closing ring plate 421, the opening and closing ring plate 421 is shielded at an opening of the communicating branch pipe 41, in this embodiment, the opening and closing ring plate 421 is of an annular plate-shaped structure, and a diameter of the opening and closing ring plate 421 is greater than a diameter of an inner wall of the communicating branch pipe 41.
Referring to fig. 3 and 4, a semicircular arc seat 5 is fixedly welded at one end of the communicating branch pipe 41 close to the opening and closing ring plate 421, and an opening of the semicircular arc seat 5 is arranged towards one side of the opening and closing ring plate 421; when the opening and closing cylinder 423 works, the push rod 422 drives the opening and closing ring plate 421 to move, and the opening and closing ring plate 421 covers the opening of the communicating branch pipe 41 until the opening and closing ring plate 421 is inserted on the semicircular arc seat 5, so as to close the communicating branch pipe 41.
Referring to fig. 3 and 4, the anti-clogging filter assembly 6 is mounted at the opening of the communicating branch 41, the filter assembly 6 includes a housing 61 and a filter net 62, the housing 61 is mounted at the opening of the communicating branch 41, in this embodiment, the housing 61 is a hollow structure, and the filter net 62 is welded and fixed on the inner wall of the housing 61.
Referring to fig. 3 and 4, the inner wall of the communicating branch pipe 41 is provided with a mounting groove 411, the outer wall of the housing 61 is fixedly welded with a mounting block 611, the mounting block 611 is inserted in the mounting groove 411 and is matched with the inner wall of the mounting groove 411, in this embodiment, the number of the mounting blocks 611 is 2, so as to realize the detachable treatment of the filter screen 62; the mounting block 611 is provided with a set screw 7, and the set screw 7 penetrates through the mounting block 611 and is screwed on the bottom wall of the mounting groove 411, so as to reduce the possibility that the housing 61 is easily separated from the communicating branch pipe 41 and ensure the reliable installation between the housing 61 and the communicating branch pipe 41.
The implementation principle of the accurate water distribution system equipment of the secondary sedimentation tank in the embodiment of the application is as follows: before the sedimentation tank bodies 2 work, the water distribution pump 33 is started, the water distribution pump 33 pumps water in the water distribution tank 1 into the water distribution pipe 31, the water distribution valve 32 is in an open state at the moment, water flow enters one of the sedimentation tank bodies 2 through the water distribution pipe 31, the opening and closing ring plate 421 is in an open state at the moment, the water flow in the sedimentation tank bodies 2 flows into the sedimentation tank bodies 2 through the intercommunicating branch pipes 41, so that the water levels among the water distribution tank bodies 1 are kept consistent, when the water levels in the sedimentation tank bodies 2 reach a certain height, the water distribution pump 33 and the water distribution valve 32 are closed at the moment, the opening and closing air cylinder 423 is started, the ejector rod 422 drives the opening and closing ring plate 421 to descend until the opening of the intercommunicating branch pipes 41 is shielded by the opening and closing ring plate 421, the opening and closing ring plate is inserted on the semicircular arc seat 5 at the moment, the adjacent sedimentation tank bodies 2 are in a closed state, and water distribution work of the sedimentation tank bodies 2 is completed; through the arrangement of the water distribution device 3, the intercommunicating branch pipes 41 and the opening and closing assembly 42, uniform water distribution of a plurality of sedimentation tanks 2 is facilitated, the water distribution is accurate and uniform, the possibility of less water distribution in a certain sedimentation tank 2 is reduced, and the possibility of influence on later-stage sewage treatment caused by nonuniform water distribution is reduced.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (7)
1. Two heavy pond accurate water distribution system equip, its characterized in that: the water distribution device comprises a water distribution tank (1) and a plurality of sedimentation tanks (2), wherein a water distribution device (3) communicated with one sedimentation tank (2) is arranged on the water distribution tank (1), an intercommunication mechanism (4) is arranged between every two adjacent sedimentation tanks (2), the intercommunication mechanism (4) comprises an intercommunication branch pipe (41) and an opening and closing assembly (42) used for controlling the on-off of the inside of the intercommunication branch pipe (41), and two ends of the intercommunication branch pipe (41) are respectively communicated with the adjacent sedimentation tanks (2).
2. The accurate water distribution system equipment of secondary sedimentation tank of claim 1, wherein: the opening and closing assembly (42) comprises an opening and closing ring plate (421), a push rod (422) and an opening and closing cylinder (423) used for driving the opening and closing ring plate (421) to lift, the opening and closing cylinder (423) is arranged on the outer wall of the communicating branch pipe (41), the output end of the opening and closing cylinder (423) is connected to the push rod (422), one end, far away from the opening and closing cylinder (423), of the push rod (422) is connected with the opening and closing ring plate (421), and the opening and closing cylinder (423) is shielded at the opening of the communicating branch pipe (41).
3. The accurate water distribution system equipment of secondary sedimentation tank of claim 2, wherein: one end, close to the opening and closing ring plate (421), of the communicating branch pipe (41) is provided with a semicircular arc seat (5), an opening of the semicircular arc seat (5) is arranged towards one side of the opening and closing ring plate (421), and the opening and closing ring plate (421) is inserted on the inner wall of the semicircular arc seat (5).
4. The accurate water distribution system equipment of secondary sedimentation tank of claim 1, wherein: the anti-blocking filter assembly (6) is arranged at an opening of the communicating branch pipe (41), the filter assembly (6) comprises a shell (61) and a filter screen (62), the shell (61) is arranged at the opening of the communicating branch pipe (41), the shell (61) is of a hollow structure, and the filter screen (62) is arranged on the inner wall of the shell (61).
5. The accurate water distribution system equipment of secondary sedimentation tank of claim 4, wherein: an installation groove (411) is formed in the inner wall of the communicating branch pipe (41), an installation block (611) is arranged on the outer wall of the shell (61), and the installation block (611) is inserted into the installation groove (411) and is matched with the inner wall of the installation groove (411).
6. The accurate water distribution system equipment of secondary sedimentation tank of claim 5, wherein: the mounting block (611) is provided with a set screw (7) used for being fixed with the communicating branch pipe (41), and the set screw (7) penetrates through the mounting block (611) and is in threaded connection with the bottom wall of the mounting groove (411).
7. The accurate water distribution system equipment of secondary sedimentation tank of claim 1, wherein: the water distribution device (3) comprises a water distribution pipe (31), a water distribution valve (32) and a water distribution pump (33) used for controlling water flow to flow out, one end of the water distribution pump (33) is communicated with the water distribution pool (1), the other end of the water distribution pump (33) is communicated with the water distribution pipe (31), one end, far away from the water distribution pump (33), of the water distribution pipe (31) is communicated with the sedimentation pool body (2), the water distribution valve (32) is arranged on the water distribution pipe (31), and the water distribution valve (32) is used for controlling the on-off of water flow in the water distribution pipe (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222356676.7U CN218501357U (en) | 2022-09-06 | 2022-09-06 | Accurate water distribution system equipment of secondary sedimentation tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222356676.7U CN218501357U (en) | 2022-09-06 | 2022-09-06 | Accurate water distribution system equipment of secondary sedimentation tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218501357U true CN218501357U (en) | 2023-02-21 |
Family
ID=85211649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222356676.7U Active CN218501357U (en) | 2022-09-06 | 2022-09-06 | Accurate water distribution system equipment of secondary sedimentation tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218501357U (en) |
-
2022
- 2022-09-06 CN CN202222356676.7U patent/CN218501357U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102745788A (en) | Automatic integrated coagulation clarification and filtering device | |
| CN203959896U (en) | Vertical-flow deposition filter | |
| CN103466772A (en) | Diatomite reactor device | |
| CN106630393A (en) | Unattended IFAS or MBBR sewage treatment integrated equipment and system | |
| CN218501357U (en) | Accurate water distribution system equipment of secondary sedimentation tank | |
| CN1872399A (en) | Outer installation type gas lift circulation membrane splitter | |
| KR101840040B1 (en) | Decanter | |
| CN211611729U (en) | Vertical flow sedimentation tank | |
| CN211644895U (en) | Wastewater treatment system | |
| CN1149556A (en) | Water treatment system | |
| CN212283191U (en) | Filtering and precipitating coupling novel secondary precipitation tank system based on physicochemical biological synergy | |
| CN202446882U (en) | Dynamic drift sand filtering system | |
| CN211078630U (en) | Waste water utilization device for construction site | |
| CN209161774U (en) | The pond assembled A/O and assembled sewage disposal system | |
| CN102580371B (en) | Dynamic quicksand filtering system | |
| CN211069313U (en) | Solid-liquid separation device for wastewater pretreatment | |
| CN110436619A (en) | A kind of trade effluent acidification uniform device | |
| CN206566555U (en) | A kind of new vertical sedimentation basin | |
| CN106745706B (en) | Activated sludge precipitation device placed in aeration tank | |
| CN201370981Y (en) | Seawater clarification pool with turbulent flow structure | |
| CN211706146U (en) | Water supply and drainage clarification tank | |
| CN212127747U (en) | Vertical flow sedimentation tank | |
| CN214437207U (en) | Sedimentation tank with prevent floating mud and block up outlet function | |
| CN217148949U (en) | Sludge concentration tank and sludge concentration structure system | |
| CN220090586U (en) | Precipitation equipment for town sewage treatment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |