CN220047391U - Algae removal device for effluent weir of secondary sedimentation tank - Google Patents
Algae removal device for effluent weir of secondary sedimentation tank Download PDFInfo
- Publication number
- CN220047391U CN220047391U CN202320156094.6U CN202320156094U CN220047391U CN 220047391 U CN220047391 U CN 220047391U CN 202320156094 U CN202320156094 U CN 202320156094U CN 220047391 U CN220047391 U CN 220047391U
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- algae
- inlet pipe
- sedimentation tank
- water inlet
- secondary sedimentation
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- 241000195493 Cryptophyta Species 0.000 title claims abstract description 107
- 238000004062 sedimentation Methods 0.000 title claims abstract description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 113
- 238000001914 filtration Methods 0.000 claims abstract description 42
- 238000000034 method Methods 0.000 description 11
- 238000009434 installation Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 5
- 235000017491 Bambusa tulda Nutrition 0.000 description 5
- 241001330002 Bambuseae Species 0.000 description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 5
- 239000011425 bamboo Substances 0.000 description 5
- 239000010865 sewage Substances 0.000 description 5
- 238000007667 floating Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Abstract
The utility model provides a secondary sedimentation tank effluent weir algae removal device which comprises a base part, a filtering part, a water inlet pipe, a suction part and a first pushing part, wherein the filtering part is arranged on the base part; the filtering part is arranged on the inner side of the base part and is used for filtering algae; the first end of the water inlet pipe is communicated with the filtering part, and the second end of the water inlet pipe is communicated with the outer side of the base part; the suction part is communicated with the filtering part and is used for sucking water in the filtering part to the outside of the filtering part; the first pushing part is arranged on the outer side of the base part and is used for analogizing algae far away from the second end of the water inlet pipe to the second end of the water inlet pipe. According to the secondary sedimentation tank effluent weir algae removal device, the algae which is originally far away from the water inlet pipe is pushed to the vicinity of the water inlet pipe by the first pushing part to be sucked by the water inlet pipe, so that the algae removal range is enlarged, and the algae removal efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of sewage treatment, in particular to a secondary sedimentation tank effluent weir algae removal device.
Background
The secondary sedimentation tank is the general term of sedimentation tanks after biological treatment. The secondary sedimentation tank has the functions of separating mud from water, algae are easy to breed in the secondary sedimentation tank directly exposed in the air, but the algae cannot enter sewage treatment equipment and easily damage the sewage treatment equipment, so that algae in the secondary sedimentation tank need to be treated by using algae removal equipment.
Patent CN202220140480.1 discloses a sewage treatment plant's secondary sedimentation tank effluent weir adds lid algae removal device, this scheme has put forward "the middle part upper end activity of box is provided with and strains a section of thick bamboo, and the top activity of straining a section of thick bamboo runs through the top inner wall middle part of box, the top opening part of straining a section of thick bamboo is provided with the top cap, and the middle part of top cap is fixed to run through and is provided with the water injection pipe, the top both sides of top cap are all fixed and are provided with the handle, the bottom of straining a section of thick bamboo is provided with the revolving plate, and the bottom of straining a section of thick bamboo is connected with the top laminating of revolving plate", the algae removal device of this scheme only relies on the opening at top to absorb the sewage that contains the algae, have absorbing scope little, the long and inefficiency problem of consuming time of algae removal. Aiming at the problems, the method optimizes the whole structure and realizes the functions of rapid collection and algae removal.
Disclosure of Invention
The utility model aims to provide a secondary sedimentation tank effluent weir algae removal device which has the advantages of large algae removal range and high efficiency.
In order to achieve the above object, the present utility model provides a secondary sedimentation tank effluent weir algae removal device, comprising:
a base portion;
a filtering part arranged on the inner side of the base part and used for filtering algae;
the first end of the water inlet pipe is communicated with the filtering part, the second end of the water inlet pipe is communicated with the outer side of the base part, and the water inlet pipe is used for introducing water containing algae at the outer side of the base part into the filtering part so as to filter the algae in the water;
a suction part communicated with the filtering part, wherein the suction part is used for sucking water in the filtering part to the outside of the filtering part;
the first pushing part is arranged on the outer side of the base part and is used for analogizing algae far away from the second end of the water inlet pipe to the second end of the water inlet pipe.
In this scheme, through setting up first pusher in the base portion outside, first pusher analogies the algae that keep away from the inlet tube on with the surface of water to the inlet tube for the algae that the inlet tube suction can not reach the region originally also can be inhaled the inlet tube, has enlarged and has got rid of algae scope, has improved and has got rid of algae efficiency.
Preferably, the first pushing part comprises a driving part, a rotating shaft and a rotating part, the driving part drives the rotating part to rotate around the rotating shaft through the rotating shaft, and one end of the rotating part, which is far away from the rotating shaft, is used for rotating at the water surface relative to the second end of the water inlet pipe.
In this scheme, through setting up the pivoted rotating member of winding pivot, rotating member stirs the inlet tube with the alga of keeping away from the inlet tube to the inlet tube at pivoted in-process, rotating member simple structure is reliable.
Preferably, the rotating member includes a push rod fixedly connected to the rotating shaft, and a buoyancy portion connected to the push rod and disposed between the push rod and the base portion.
In this scheme, through setting up buoyancy in the below of catch bar, ensure that the catch bar can remain the state of floating on the surface of water all the time, ensure that the catch bar can promote the algae of floating on the surface of water in the rotation in-process.
Preferably, the buoyancy section has several gear positions providing buoyancy of different magnitudes.
In this scheme, through setting up the gear of several different buoyancy for buoyancy portion, the buoyancy size is changed according to the circumstances such as the water density that is located to ensure that the catch bar can float in the surface of water in order to promote the alga that floats in the surface of water.
Preferably, the secondary sedimentation tank effluent weir algae removal device further comprises at least one second pushing part with the same structure as the first pushing part, the second pushing part is connected to the base part, and the second pushing part and the first pushing part are arranged around the water inlet pipe.
In this scheme, through setting up second pusher, first pusher and second pusher all push to the inlet tube with the alga of inlet tube both sides, further enlarge the algae scope, improve and remove algae efficiency.
Preferably, the filtering part comprises a collecting box, the collecting box is movably connected with the base part, a first connecting sliding block is arranged on the collecting box, and a first sliding groove corresponding to the first connecting sliding block is arranged on the base part.
In the scheme, the first connecting sliding block and the first sliding groove are arranged between the collecting box and the base part, and when algae in the collecting box are collected fully, the collecting box is conveniently detached from the base part to remove the algae in the collecting box.
Preferably, the collecting box is further provided with a second connecting sliding block, the second connecting sliding block and the first connecting sliding block are oppositely arranged on two sides of the collecting box, and the base part is provided with a second sliding groove corresponding to the second connecting sliding block.
In this scheme, through setting up second connection slider and second spout, the first connection slider and the second connection slider of both sides can be atress simultaneously when removing the collecting box from the base portion for the atress is more balanced.
Preferably, the second end of the water inlet pipe is provided with a filter screen plate which can accommodate algae to flow through.
In this scheme, through setting up the filter screen board at the second end of inlet tube, avoid other rubbish on the surface of water to get into in the inlet tube and lead to the collection box to block up scheduling problem to appear.
Preferably, the secondary sedimentation tank effluent weir algae removal device further comprises a walking part, wherein the walking part is fixedly connected with the base part and is used for pushing the secondary sedimentation tank effluent weir algae removal device to walk in water.
In the scheme, the traveling part is arranged, so that the secondary sedimentation tank water outlet weir algae removal device can automatically travel in water, the algae removal range is further enlarged, and the algae removal efficiency is improved.
Preferably, the walking part comprises a second driving motor and a propeller, wherein the second driving motor and the propeller are fixedly installed on the base part, and the second driving motor is connected with the propeller and drives the propeller to rotate.
In summary, compared with the prior art, the secondary sedimentation tank effluent weir algae removal device provided by the utility model has the following beneficial effects:
according to the secondary sedimentation tank effluent weir algae removal device, the algae which is originally far away from the water inlet pipe is pushed to the vicinity of the water inlet pipe by the first pushing part to be sucked by the water inlet pipe, so that the algae removal range is enlarged, and the algae removal efficiency is improved.
Drawings
FIG. 1 is a schematic structural view of a secondary sedimentation tank effluent weir algae removal device of the present utility model.
FIG. 2 is a schematic structural view of a rotating member of the secondary sedimentation tank effluent weir algae removal device of the present utility model.
FIG. 3 is a schematic view of the structure of the mounting seat of the water inlet pipe of the secondary sedimentation tank water outlet weir algae removal device.
Fig. 4 is a partial enlarged view at a in fig. 1.
Reference numerals illustrate:
algae removal device 10 of secondary sedimentation tank effluent weir
Base portion 110
Filter unit 120
Collecting box 121
First connecting slider 122
First chute 123
Water inlet pipe 130
Filter screen plate 131
Suction unit 140
The first pushing part 150
Drive part 151
Rotating shaft 152
Rotating member 153
Push rod 154
Buoyancy section 155
Second pushing part 160
Walking part 170
The second driving motor 171
Propeller 172
Mounting base 180
Limiting clamping groove 181
Water through hole 182
Sealing ring 183
Detailed Description
The technical scheme, constructional features, achieved objects and effects of the embodiments of the present utility model will be described in detail below with reference to fig. 1 to fig. 4 in the embodiments of the present utility model.
It should be noted that, the drawings are in very simplified form and all use non-precise proportions, which are only used for the purpose of conveniently and clearly assisting in describing the embodiments of the present utility model, and are not intended to limit the implementation conditions of the present utility model, so that the present utility model has no technical significance, and any modification of structure, change of proportion or adjustment of size, without affecting the efficacy and achievement of the present utility model, should still fall within the scope covered by the technical content disclosed by the present utility model.
It is noted that in the present utility model, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
As shown in fig. 1, the present utility model provides a secondary sedimentation tank effluent weir algae removal apparatus 10, comprising a base portion 110, a filtering portion 120, a water inlet pipe 130, a suction portion 140 and a first pushing portion 150. The base portion 110 forms an integral frame of the secondary sedimentation tank effluent weir device 10, and the base portion 110 is used for mounting other components. The filtering part 120 is disposed inside the base part 110, and the filtering part 120 is used for filtering algae in water. The first end of the water inlet pipe 130 is connected to the filtering part 120, the second end of the water inlet pipe 130 is connected to the outside of the base part 110, and the water outside the base part 110 flows into the inside of the base part 110 through the water inlet pipe 130 and is filtered by the filtering part 120. The suction part 140 is communicated with the filtering part 120, and the suction part 140 is used for sucking the water filtered through the inside of the filtering part 120 to the outside of the filtering part 120. The pumping part 140 includes a pumping motor and a drain pipe, and the pumping motor discharges water in the filtering part 120 out of the filtering part 120 through the drain pipe so that a subsequent water flow can continuously flow into the filtering part 120. The first pushing part 150 is disposed outside the base part 110, and the first pushing part 150 is used for pushing algae far away from the second end of the water inlet pipe 130 toward the second end of the water inlet pipe 130.
The first pushing part 150 includes a driving member 151, a rotating shaft 152, and a rotating member 153. The driving member 151 is fixedly installed inside the base portion 110, and in this embodiment, the driving member 151 includes a first driving motor. The rotation shaft 152 is a rigid shaft, the rotation shaft 152 is inserted into the base 110, one end of the rotation shaft 152 located inside the base 110 is fixedly connected to the driving member 151, and one end of the rotation shaft 152 located outside the base 110 is fixedly connected to the rotating member 153. The driving part 151 drives the rotating part 153 to rotate around the rotating shaft 152 through the rotating shaft 152, and one end of the rotating part 153 away from the rotating shaft 152 is used for rotating at the water surface relative to the second end of the water inlet pipe 130. As shown in fig. 2, the rotating shaft 152 is connected to the middle position of the rotating member 153, so that when the rotating member 153 is driven by the driving member 151 to rotate, the load on both sides of the rotating shaft 152 is balanced, and the situation that the secondary sedimentation tank water outlet weir algae removal device 10 deflects or falls down due to unbalanced load in the algae removal process in water is avoided.
The rotating member 153 includes a push rod 154 and a buoyancy portion 155, the push rod 154 is fixedly connected to the rotating shaft 152, the buoyancy portion 155 is connected to the push rod 154, and the buoyancy portion 155 is disposed between the push rod 154 and the base portion 110. The buoyancy 155 is mounted on the push rod 154 by a mounting buckle, which is circular arc-shaped, and is sleeved outside the push rod 154 and fixedly connected by a bolt. The buoyancy portion 155 is installed in the bottom of the push rod 154 after being inflated, the bottom end of the buoyancy portion 155 is in contact with the water surface, and when the drive component 151 drives the push rod 154 to rotate, the push rod 154 can send algae floating on the water surface to the second end of the water inlet pipe 130 for collection, so that the collection area is enlarged, and the algae removal efficiency is improved.
In this embodiment, the buoyancy portion 155 has several gears providing different buoyancy, and the buoyancy of the buoyancy portion 155 can be adjusted according to the water conditions of the working environment of the secondary sedimentation tank water outlet weir algae removal device 10, so as to ensure that the pushing rod 154 can be exposed to the water surface to push the algae to the vicinity of the water inlet pipe 130.
The secondary sedimentation tank effluent weir algae removal device 10 further comprises at least one second pushing part 160 with the same structure as the first pushing part 150, the second pushing part 160 is connected to the base part 110, and the second pushing part 160 and the first pushing part 150 are arranged around the water inlet pipe 130. In the algae removal process, the first pushing part 150 and the second pushing part 160 work simultaneously to push algae on the water surface at both sides of the water inlet pipe 130 to the water inlet pipe 130, enlarge the algae removal area, and improve the algae removal efficiency. In this embodiment, the second sedimentation tank effluent weir algae removal device 10 is provided with a second pushing portion 160, and the second pushing portion 160 and the first pushing portion 150 are disposed on two opposite sides of the water inlet pipe 130. In other embodiments, two, three or more second pushing parts 160 may be provided to expand the algae removal range.
The filtering portion 120 includes a collecting tank 121, and the collecting tank 121 is movably connected to the base portion 110. After the algae-laden water flows into the filtering part 120, the filtering part 120 intercepts the algae in the water, the filtered water flows out of the collecting tank 121, and the algae in the water is left in the collecting tank 121. As shown in fig. 4, the collection box 121 is provided with a first connecting slider 122, and the base 110 is provided with a first slide groove 123 corresponding to the first connecting slider 122. When the algae in the collecting tank 121 accumulate too much after the filtering part 120 works for a period of time and the algae in the collecting tank 121 needs to be cleaned, the collecting tank 121 is taken out from the base part 110 by a handle on the collecting tank 121, and the first connecting sliding block 122 moves along the first sliding groove 123 on the base part 110 in the process of taking out, and the first sliding groove 123 plays a guiding role in taking out or installing the collecting tank 121.
In this embodiment, the collecting box 121 is further provided with a second connecting slider, the second connecting slider and the first connecting slider 122 are disposed on two sides of the collecting box 121, and the base portion 110 is provided with a second chute corresponding to the second connecting slider. The first connecting sliding blocks 122 and the second connecting sliding blocks are respectively arranged on two sides of the collecting box 121, and the first sliding grooves 123 and the second sliding grooves are correspondingly arranged, so that the first connecting sliding blocks 122 and the second connecting sliding blocks on two sides can bear force simultaneously when the collecting box 121 is detached from or installed on the base portion 110, the force is balanced, and the condition that the collecting box 121 is clamped on the base portion 110 due to the force on one side is avoided.
In this embodiment, the second end of the inlet tube 130 is provided with a screen plate 131 that can accommodate the flow of algae. The filter screen plate 131 is used for filtering water surface and other impurities such as garbage with larger volume in the water, and avoiding blockage of the collecting box 121 caused by non-algae objects entering the collecting box 121.
The secondary sedimentation tank effluent weir algae removal apparatus 10 further includes a walking portion 170. The walking part 170 is fixedly connected to the base part 110, and the walking part 170 is used for pushing the secondary sedimentation tank water outlet weir algae removal device 10 to walk in water. In this embodiment, the walking part 170 includes a second driving motor 171 and a propeller 172 fixedly installed on the base part 110, the second driving motor 171 is connected to the propeller 172 and drives the propeller 172 to rotate, and the propeller 172 rotates to generate a driving force in a direction opposite to the base part 110, so as to drive the secondary sedimentation tank water outlet weir algae removal device 10 to move in water, expand the algae removal range and improve the algae removal efficiency.
As shown in fig. 3, the water inlet pipe 130 is connected with the base portion 110 through the mounting seat 180, a water through hole 182 is provided in the mounting seat 180, a sealing ring 183 is mounted outside the water through hole 182, a limit clamping groove 181 is provided in the mounting seat 180, a limit clamping block matched with the limit clamping groove 181 is mounted outside the water inlet pipe 130, and the water inlet pipe 130 is embedded in the mounting seat 180. When the water inlet pipe 130 is installed, the limiting clamping blocks of the water inlet pipe 130 are aligned with the limiting clamping grooves 181 on the installation base 180, and then the water inlet pipe 130 is rotated, so that the water inlet pipe 130 and the installation base 180 are fixedly connected. After the installation is completed, the sealing ring 183 is positioned at the connection position of the water inlet pipe 130 and the installation seat 180, and the sealing ring 183 is used for preventing water entering the filtering part 120 from the water inlet pipe 130 from leaking from a gap between the water inlet pipe 130 and the installation seat 180 and improving the tightness between the water inlet pipe 130 and the installation seat 180. The inlet tube 130 can be dismantled from mount pad 180, only need rotatory inlet tube 130 when taking off, makes spacing fixture block on the inlet tube 130 and the spacing draw-in groove 181 on the mount pad 180 aim at to remove the spacing fixture block of inlet tube 130 bottom from the inside spacing draw-in groove 181 of mount pad 180 can accomplish the dismantlement, the filter screen plate 131 on the inlet tube 130 can avoid the inside of rubbish entering collecting box 121 in the aquatic when collecting the algae.
The overall working principle of the secondary sedimentation tank effluent weir algae removal device 10 of the utility model is introduced as follows: when the algae removing device is used, the secondary sedimentation tank water outlet weir algae removing device 10 is placed in a river channel, the second driving motor 171 and the screw 172 at the bottom of the base part 110 can drive the base part 110 to walk in the river channel, in the walking process, the water inlet pipe 130 and the suction part 140 can pump water containing algae into the collecting tank 121, the driving part 151 drives the rotating shaft 152 to rotate, the pushing rod 154 and the buoyancy part 155 outside the rotating shaft 152 can analogize algae floating on the river surface to the upper part of the water inlet pipe 130, the filter screen plate 131 on the water inlet pipe 130 can prevent garbage in water from entering the collecting tank 121 while collecting the algae, the collecting tank 121 can discharge the algae collecting water, then the water returns to the river channel from the water outlet pipe again, and after the equipment is on the shore, the collecting tank 121 is taken out from the inside of the base part 110, the algae can be cleaned, the equipment enlarges the algae collecting area, and therefore the algae removing efficiency is improved.
While the present utility model has been described in detail through the foregoing description of the preferred embodiment, it should be understood that the foregoing description is not to be considered as limiting the utility model. Many modifications and substitutions of the present utility model will become apparent to those of ordinary skill in the art upon reading the foregoing. Accordingly, the scope of the utility model should be limited only by the attached claims.
Claims (10)
1. The utility model provides a two heavy pond effluent weir removes algae device which characterized in that, two heavy pond effluent weir removes algae device includes:
a base portion;
a filtering part arranged on the inner side of the base part and used for filtering algae;
the first end of the water inlet pipe is communicated with the filtering part, the second end of the water inlet pipe is communicated with the outer side of the base part, and the water inlet pipe is used for introducing water containing algae at the outer side of the base part into the filtering part so as to filter the algae in the water;
a suction part communicated with the filtering part, wherein the suction part is used for sucking water in the filtering part to the outside of the filtering part;
the first pushing part is arranged on the outer side of the base part and is used for analogizing algae far away from the second end of the water inlet pipe to the second end of the water inlet pipe.
2. The secondary sedimentation tank effluent weir algae removal apparatus as claimed in claim 1, wherein the first pushing section comprises a driving member, a rotary shaft and a rotating member, the driving member drives the rotating member to rotate around the rotary shaft through the rotary shaft, and an end of the rotating member away from the rotary shaft is used for rotation at the water surface relative to the second end of the water inlet pipe.
3. The secondary sedimentation tank effluent weir algae removal apparatus of claim 2, wherein the rotating member comprises a push rod fixedly connected to the swivel shaft and a buoyancy portion connected to the push rod and disposed between the push rod and the base portion.
4. A secondary sedimentation tank effluent weir algae removal apparatus as claimed in claim 3 wherein the buoyancy section has several gear stages providing buoyancy of different magnitudes.
5. The secondary sedimentation tank effluent weir algae removal apparatus as claimed in any one of claims 1-4, wherein the secondary sedimentation tank effluent weir algae removal apparatus further comprises at least one second pushing portion having the same structure as the first pushing portion, the second pushing portion is connected to the base portion, and the second pushing portion and the first pushing portion are disposed around the water inlet pipe.
6. The secondary sedimentation tank effluent weir algae removal device according to claim 1, wherein the filtering part comprises a collecting box, the collecting box is movably connected with the base part, a first connecting sliding block is arranged on the collecting box, and a first sliding groove corresponding to the first connecting sliding block is arranged on the base part.
7. The secondary sedimentation tank effluent weir algae removal device according to claim 6, wherein a second connecting sliding block is further arranged on the collecting box, the second connecting sliding block and the first connecting sliding block are oppositely arranged on two sides of the collecting box, and a second sliding groove corresponding to the second connecting sliding block is arranged on the base part.
8. The secondary sedimentation tank effluent weir algae removal apparatus as claimed in claim 1, wherein the second end of the water inlet pipe is provided with a screen plate capable of containing algae to flow through.
9. The secondary sedimentation tank effluent weir algae removal apparatus of claim 1, further comprising a walking portion fixedly connected to the base portion, the walking portion being configured to push the secondary sedimentation tank effluent weir algae removal apparatus to walk in water.
10. The secondary sedimentation tank effluent weir algae removal apparatus of claim 9, wherein the travelling part comprises a second driving motor and a propeller fixedly mounted on the base part, and the second driving motor is connected with the propeller and drives the propeller to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320156094.6U CN220047391U (en) | 2023-02-08 | 2023-02-08 | Algae removal device for effluent weir of secondary sedimentation tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320156094.6U CN220047391U (en) | 2023-02-08 | 2023-02-08 | Algae removal device for effluent weir of secondary sedimentation tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220047391U true CN220047391U (en) | 2023-11-21 |
Family
ID=88784461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320156094.6U Active CN220047391U (en) | 2023-02-08 | 2023-02-08 | Algae removal device for effluent weir of secondary sedimentation tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220047391U (en) |
-
2023
- 2023-02-08 CN CN202320156094.6U patent/CN220047391U/en active Active
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