CN213492244U - Prevent sewage treatment plant of jam - Google Patents
Prevent sewage treatment plant of jam Download PDFInfo
- Publication number
- CN213492244U CN213492244U CN202021854293.7U CN202021854293U CN213492244U CN 213492244 U CN213492244 U CN 213492244U CN 202021854293 U CN202021854293 U CN 202021854293U CN 213492244 U CN213492244 U CN 213492244U
- Authority
- CN
- China
- Prior art keywords
- water inlet
- sewage treatment
- filtering
- sewage
- filter
- 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.)
- Expired - Fee Related
Links
- 239000010865 sewage Substances 0.000 title claims abstract description 128
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 98
- 230000005540 biological transmission Effects 0.000 claims abstract description 44
- 238000001914 filtration Methods 0.000 claims abstract description 37
- 239000011148 porous material Substances 0.000 claims abstract description 25
- 238000005192 partition Methods 0.000 claims description 6
- 239000003973 paint Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 2
- 241000446313 Lamella Species 0.000 claims 2
- 239000010813 municipal solid waste Substances 0.000 abstract description 14
- 239000007787 solid Substances 0.000 abstract description 8
- 238000009825 accumulation Methods 0.000 abstract 1
- 230000000903 blocking effect Effects 0.000 abstract 1
- 239000012466 permeate Substances 0.000 abstract 1
- 230000006872 improvement Effects 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000004659 sterilization and disinfection Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model relates to an anti-clogging sewage treatment device, which comprises a filtering ring, a filtering pore, a water inlet cylinder, a water inlet block, a water inlet hole, a waterproof box, a transmission shaft, a sewage taking cover, a motor, a battery jar, a wireless transmission device, a controller, a waterproof clapboard, a sewage treatment area, a filtering silk screen, a filtering fine plate, a blow-off pipe, a water outlet, a blow-off port and a filtering plate, wherein the filtering pore prevents solid garbage in the sewage from entering the sewage treatment area, the water inlet cylinder rotates to make the filtering silk screen on the water inlet block in friction contact with the filtering ring so as to prevent the filtering pore from being blocked, the waterproof clapboard prevents the waterproof box from leaking and entering water, the filtering fine plate deposits the solid garbage on the filtering fine plate, the wireless transmission device enables a worker to carry out remote control, the filtering silk screen is prevented from being blocked due to excessive accumulation of small solid garbage which permeates through the sewage taking cover, has the function of preventing sewage and garbage from blocking the sewage inlet.
Description
Technical Field
The utility model relates to a sewage treatment device technical field specifically is a prevent sewage treatment plant of jam.
Background
As is well known, domestic sewage and industrial sewage which are often discharged contain a large amount of solid residues, organic suspended matters, various pathogenic bacteria, viruses, parasitic ova and other harmful components, and if the harmful components are not treated, the environment is seriously polluted and the life health of human beings is harmed. Moreover, with the development of industry, the discharge amount of urban industrial water and industrial sewage is increased correspondingly, and the contradiction between supply and demand of urban water resources is becoming more and more sharp, so that water conservation and pollution control are the focus of society. Domestic sewage generated by families, hotels and the like and sewage for cleaning automobiles are directly discharged and are not reused, so that the waste of water resources is great, and the method is particularly prominent in water-deficient areas. When handling sewage in the current, inhale sewage and carry out a series of purification processes in leading-in sewage treatment pond under the effect of the pump body through the pipeline, because contain a large amount of impurity and silt in the sewage, the pipeline is when inhaling sewage, after long-time work, processing apparatus is easily blockked up treatment facility by impurity in the sewage, influence the discharge of sewage, and at sewage treatment's in-process, the unable discharge apparatus of accumulational impurity influences the treatment effect of sewage, especially after the pipeline takes place to block up the condition, need shut down the inspection, and handle the pipeline, the efficiency that sewage treatment apparatus handled sewage is reduced to the meeting that is difficult to avoid, sewage treatment apparatus's use cost has also been increased.
If the patent "CN 201420212687.0" is compared and disclosed, the name is "a domestic sewage treatment device", comprising a domestic sewage treatment device body and a reservoir, a first sedimentation tank arranged in the domestic sewage treatment device body, an anaerobic tank arranged in the domestic sewage treatment device body, an anoxic tank arranged in the domestic sewage treatment device body, an aerobic tank arranged in the domestic sewage treatment device body, a second sedimentation tank arranged in the domestic sewage treatment device body, a filtering and adsorbing bin arranged in the domestic sewage treatment device body, and a disinfection tank arranged in the domestic sewage treatment device body, biological fillers are arranged in the anaerobic tank, the anoxic tank and the aerobic tank, an ultraviolet disinfection device is arranged at the bottom in the disinfection tank, when the device sucks sewage, after long-time work, the treatment device is easily blocked by impurities in the sewage, the accumulated impurities cannot be discharged from equipment, the treatment effect of sewage is influenced, and after the blockage situation occurs, the equipment needs to be stopped for inspection, so that the sewage treatment device for preventing the blockage of the sewage treatment device is needed.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides an intelligent control prevents sewage treatment plant of jam to prior art not enough.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: a sewage treatment device preventing blockage comprises a filter ring, a plurality of filter pores, a water inlet cylinder, a water inlet block, a water inlet hole, a waterproof box, a transmission shaft, a motor, a battery jar, a wireless transmission device, a sewage taking cover, a controller, a waterproof clapboard, a sewage treatment area, a filter screen, a filter fine plate, a sewage discharge pipe, a water outlet, a sewage discharge port and a filter plate, wherein the filter ring is fixedly connected with one side of the sewage treatment area, the filter pores are communicated with the filter ring, the filter pores are provided with a plurality of filter pores, the water inlet cylinder is positioned in the filter ring, the water inlet cylinder is movably connected with the inside of the sewage treatment area, the water inlet block is communicated with the water inlet cylinder, the water inlet blocks are provided with a plurality of water inlet blocks, the water inlet blocks are all positioned on the water inlet cylinder outside the sewage treatment area, and the water inlet hole penetrates through the water inlet block to the inside of the water inlet cylinder, the water inlet holes are provided with a plurality of water inlet holes, the filtering fine net is positioned at the top end of the water inlet block, the water outlet holes are communicated with the water inlet cylinder, the water outlet holes are provided with a plurality of water outlet holes which are all positioned on the water inlet cylinder inside the sewage treatment area, the waterproof box is positioned inside the sewage treatment area and welded at the top end of the sewage treatment area, the transmission shaft is movably connected with one end of the water inlet cylinder, the motor is positioned inside the waterproof box, a bearing of the motor is connected with one end of the transmission shaft, the controller, the battery jar and the wireless transmission device are all positioned inside the waterproof box, the waterproof baffle is fixedly connected with the outer side of the waterproof box, the sewage discharge pipe penetrates through the right side of the sewage treatment area, the position of the sewage discharge pipe is lower than that of the filtering ring, and the sewage discharge port is communicated with the bottom of the sewage discharge pipe, the utility model discloses a sewage treatment device, including filter core, sewage treatment district, filter core, air pump, transmission shaft, water inlet cylinder, filter core, filter.
For the convenience staff controls and monitor state to the device, the utility model discloses the improvement has, the wireless transmission device type is bluetooth module.
In order to prevent that sewage is right the waterproof box corrodes, the utility model discloses the improvement has, the surface of waterproof box scribbles the anticorrosion paint.
In order to prevent the long-term phenomenon of rustting that appears in being in sewage of water proof spacer, the utility model discloses the improvement has, water proof spacer's material is the stainless steel.
In order to prevent the cylinder of intaking gets into in the rotation process sewage from the gap inside the waterproof box, the utility model discloses the improvement has, the cylinder of intaking with be equipped with waterproof gasket between the waterproof box.
In order to prevent tiny solid-state rubbish from getting into in the sewage treatment district, make the faster sediment of solid-state rubbish extremely flow out in the blow off pipe, the utility model discloses the improvement has, it is 120 ~ 140 with the contained angle on ground to filter the thin board.
(III) advantageous effects
Compared with the prior art, the utility model provides a prevent sewage treatment plant of jam possesses following beneficial effect:
this sewage treatment plant, prevent through filtering the pore that solid-state rubbish in the sewage gets into the sewage treatment district, it is rotatory through the cylinder of intaking, the filtration silk screen that will intake on the piece carries out the frictional contact with filtering the ring, in order to prevent to filter the pore jam, prevent through waterproof baffle that the waterproof case seepage from intaking, deposit solid-state rubbish on filtering the thin board through filtering the thin board, make the staff carry out remote control through wireless transmission device, prevent through getting dirty lid that the small solid-state rubbish of infiltration from piling up too much and leading to filtering the silk screen to block up, have the function that prevents sewage rubbish and block up the dirty mouthful of advancing.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is an enlarged half plane view of the filter ring of FIG. 1 according to the present invention;
FIG. 3 is an enlarged left-side half plane view of the filter ring of FIG. 1 according to the present invention;
fig. 4 is an enlarged front half-plane view of the waterproof case of fig. 1 according to the present invention.
In the figure: 1. a filter ring; 2. filtering the pores; 3. a water inlet column; 4. a water inlet block; 5. a water inlet hole; 6. a waterproof box; 7. a drive shaft; 8. a motor; 9. a battery case; 10. a wireless transmission device; 11. a controller; 12. a waterproof partition plate; 13. a sewage treatment area; 14. filtering the silk screen; 15. a fine filter plate; 16. a blow-off pipe; 17. a sewage draining outlet; 18. a filter plate; 19. a water outlet; 20. an air inlet; 21. an air pump; 22. a gas delivery pipe; 23. taking a dirt cover;
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the utility model relates to an anti-clogging sewage treatment device, which comprises a filter ring 1, a filter pore 2, a water inlet column 3, a water inlet block 4, a water inlet 5, a waterproof box 6, a transmission shaft 7, a motor 8, a battery jar 9, a wireless transmission device 10, a sewage taking cover 23, a controller 11, a waterproof clapboard 12, a sewage treatment area 13, a filter screen 14, a filter fine plate 15, a sewage discharge pipe 16, a water outlet 19, a sewage discharge outlet 17 and a filter plate 18, wherein the filter ring 1 is fixedly connected with one side of the sewage treatment area 13, the filter pore 2 is communicated with the filter ring 1, the filter pore 2 is provided with a plurality of filter pores, the water inlet column 3 is positioned inside the filter ring 1, the water inlet column 3 is movably connected with the inside the sewage treatment area 13, the water inlet block 4 is communicated with the water inlet column 3, the water inlet block 4 is provided with a plurality of filter pores, and a plurality of the water inlet blocks 4 are all located on the water inlet cylinder 3 outside the sewage treatment area 13, the water inlet hole 5 runs through the water inlet blocks 4 to the inside of the water inlet cylinder 3, and the water inlet hole 5 is provided with a plurality of water inlet holes, the filtering fine net is located at the top end of the water inlet blocks 4, the water outlet 19 is communicated with the water inlet cylinder 3, the water outlet 19 is provided with a plurality of water outlets 19, and the water outlets 19 are all located on the water inlet cylinder 3 inside the sewage treatment area 13, the waterproof box 6 is located inside the sewage treatment area 13, the waterproof box 6 is welded at the top end of the sewage treatment area 13, the transmission shaft 7 is movably connected with one end of the water inlet cylinder 3, the motor 8 is located inside the waterproof box 6, the bearing of the motor 8 is connected with one end of the transmission shaft 7, the controller 11, the battery jar 9 and the wireless transmission device 10 are all located inside the waterproof box 6, the waterproof baffle plate 12 is fixedly connected with the outer side of the waterproof box 6, the sewage discharge pipe 16 penetrates through the right side of the sewage treatment area 13, the position of the sewage discharge pipe 16 is lower than that of the filter ring 1, the sewage discharge port 17 is communicated with the bottom of the sewage discharge pipe 16, the fine filter plate 15 is positioned inside the sewage treatment area 13, one end of the fine filter plate 15 is arranged at the bottom end of the filter ring 1, the other end of the fine filter plate 15 is arranged at the top end of the sewage discharge pipe 16, the sewage taking cover 23 is positioned at the top end of the sewage treatment area, a sewage accumulating groove is arranged between the fine filter plate 15 and the sewage taking cover 23, the air pump 21 is positioned inside the waterproof box 6, the air inlet is communicated with the top end of the air pump, the air pipe 22 is communicated with the bottom end of the air pump 21, and the air pipe 22 penetrates through the transmission shaft 7 to the inside of the water inlet cylinder 3, and cables are arranged among the controller 11, the battery jar 9, the air pump 21, the wireless transmission device 10 and the motor 8.
In conclusion, when the sewage treatment device is used, a worker puts a battery into the battery tank 9, the battery tank 9 transmits electricity to the controller 11 through a cable, the controller 11 is automatically started, the controller 11 opens the wireless transmission device 10 through the cable, the worker accesses the wireless transmission device 10 through the wireless transmission device, the worker controls the controller 11 through the wireless transmission device, the controller 11 opens the motor 8 through the cable, the motor 8 rotates, the rotation speed of the motor 8, the residual electric quantity of the battery and the running state of the motor 8 are transmitted to the wireless transmission device 10 through the cable, the wireless transmission device 10 transmits information to the wireless transmission device of the worker for display, the worker monitors and controls through the wireless transmission device, the motor 8 rotates the transmission shaft 7 through the bearing, the rotation shaft rotates to drive the water inlet cylinder 3, the water inlet cylinder 3 rotates, the filtering screen 14 on the water inlet block 4 is in friction contact with the filtering ring 1 to prevent the filtering pore 2 from being blocked, solid garbage in sewage is prevented from entering the sewage treatment area 13 through the filtering pore 2, the waterproof box 6 is prevented from leaking and entering water through the waterproof partition plate 12, tiny solid garbage is taken out from a sewage accumulating groove above the filtering pore 15 through the sewage taking cover 23, other objects are prevented from entering the sewage treatment area 13 through the filtering plate 18, when the filtering pore 2 is blocked, the controller 11 detects that the rotation of the motor 8 is slowed down, information is transmitted to the wireless transmission device 10 through a cable, the wireless transmission device 10 transmits the information to wireless transmission equipment of a worker, the worker controls the wireless transmission device 10 to open the air pump 21, air is sucked from the air inlet 20 through the air pump 21, the air passes through the air conveying pipe 22 and the transmission shaft 7, blow to the water inlet of intaking column body 3 on, the water inlet blows gas to filtering pore 2, prevents to filter pore 2 and blocks up.
In this embodiment, the wireless transmission device 10 is a bluetooth module, which is convenient for the staff to control and monitor the state of the device.
In this embodiment, the outer surface of the waterproof box 6 is coated with an anti-corrosion paint to prevent the waterproof box from being corroded by sewage.
In this embodiment, the waterproof partition 12 is made of stainless steel, so as to prevent the waterproof partition from rusting in sewage for a long time.
In this embodiment, be equipped with waterproof gasket between the cylinder of intaking 3 with waterproof case 6, prevent that the cylinder of intaking from getting into in the rotation process sewage from the gap inside the waterproof case.
In this embodiment, the included angle between the fine filtering plate 15 and the ground is 120-140 degrees, so that fine solid garbage is prevented from entering the sewage treatment area, and the solid garbage is more rapidly precipitated to flow out of the sewage discharge pipe.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The anti-blocking sewage treatment device is characterized by comprising a filter ring (1), a filter pore (2), a water inlet column body (3), a water inlet block (4), a water inlet hole (5), a waterproof box (6), a transmission shaft (7), a motor (8), a battery jar (9), a wireless transmission device (10), a sewage taking cover (23), a controller (11), a waterproof partition plate (12), a sewage treatment area (13), a filter screen (14), a filter fine plate (15), a sewage discharge pipe (16), a water outlet (19), a sewage discharge outlet (17) and a filter plate (18), wherein the filter ring (1) is fixedly connected with one side of the sewage treatment area (13), the filter pore (2) is communicated with the filter ring (1), the filter pore (2) is provided with a plurality of filter pores, the water inlet column body (3) is positioned inside the filter ring (1), and the water inlet column body (3) is movably connected with the inside of the sewage treatment area (13), the water inlet block (4) is communicated with the water inlet cylinder (3), the water inlet block (4) is provided with a plurality of water inlet blocks (4) and a plurality of water inlet blocks (4) are all positioned on the water inlet cylinder (3) outside the sewage treatment area (13), the water inlet hole (5) runs through the water inlet block (4) to the inside of the water inlet cylinder (3), the water inlet hole (5) is provided with a plurality of water inlet holes, the filtering silk screen is positioned on the top end of the water inlet block (4), the water outlet (19) is communicated with the water inlet cylinder (3), the water outlet (19) is provided with a plurality of water outlets (19), the water outlets (19) are all positioned on the water inlet cylinder (3) inside the sewage treatment area (13), the waterproof box (6) is positioned inside the sewage treatment area (13), and the waterproof box (6) is welded on the top end of the sewage treatment area (13), the utility model discloses a sewage treatment device, including transmission shaft (7), battery jar (9), wireless transmission device (10), waterproof case (6), waterproof baffle (12), sewage treatment district (13), controller (11), battery jar (9) and wireless transmission device (10), transmission shaft (7) swing joint the one end of cylinder of intaking (3), motor (8) are located the inside of waterproof case (6), the bearing of motor (8) is connected the one end of transmission shaft (7), just the position of sewage treatment district (16) is less than filter ring (1), drain (17) intercommunication the bottom of sewage treatment district (16), filter lamella (15) and be located the inside of sewage treatment district (13), the one end of filtering lamella (15) is installed the bottom of filter ring (1), the other end of filtering fine board (15) is installed the top of blow off pipe (16), it is located to get dirty lid (23) the top in sewage treatment district, filter fine board (15) with it is equipped with long-pending dirty groove to get between dirty lid (23), air pump (21) are located the inside of waterproof box (6), the air inlet intercommunication the top of air pump, air pipe (22) intercommunication the bottom of air pump (21), just air pipe (22) run through transmission shaft (7) extremely the inside of intaking cylinder (3), controller (11) with be equipped with the cable junction between battery jar (9), air pump (21), wireless transmission device (10) and motor (8).
2. An anti-clogging sewage treatment unit according to claim 1, characterized in that said wireless transmission means (10) is of the bluetooth module type.
3. The anti-clogging sewage treatment device according to claim 1, wherein the outer surface of said waterproof case (6) is coated with an anti-corrosion paint.
4. The anti-clogging sewage treatment device according to claim 1, wherein the waterproof partition plate (12) is made of stainless steel.
5. An anti-clogging sewage treatment device according to claim 1, characterized in that a waterproof gasket is provided between said water intake cylinder (3) and said waterproof case (6).
6. The anti-clogging sewage treatment device according to claim 1, wherein the angle between the fine filtering plate (15) and the ground is 120-140 °.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021854293.7U CN213492244U (en) | 2020-08-31 | 2020-08-31 | Prevent sewage treatment plant of jam |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021854293.7U CN213492244U (en) | 2020-08-31 | 2020-08-31 | Prevent sewage treatment plant of jam |
Publications (1)
Publication Number | Publication Date |
---|---|
CN213492244U true CN213492244U (en) | 2021-06-22 |
Family
ID=76443022
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202021854293.7U Expired - Fee Related CN213492244U (en) | 2020-08-31 | 2020-08-31 | Prevent sewage treatment plant of jam |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN213492244U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115077092A (en) * | 2022-06-30 | 2022-09-20 | 珠海格力电器股份有限公司 | Water accumulation device, air conditioner and control method |
-
2020
- 2020-08-31 CN CN202021854293.7U patent/CN213492244U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115077092A (en) * | 2022-06-30 | 2022-09-20 | 珠海格力电器股份有限公司 | Water accumulation device, air conditioner and control method |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN210683436U (en) | A agitating unit for integration sewage treatment device | |
CN207330639U (en) | A kind of effluent treatment plant | |
CN211770738U (en) | A sewage filter equipment for building drainage purifies | |
CN203750276U (en) | Sewage filter for industrial pipeline | |
CN213492244U (en) | Prevent sewage treatment plant of jam | |
CN207811467U (en) | Secondary precipitation formula sewage purifying and treating device | |
CN213610076U (en) | Be applied to blowdown equipment of back flush filter | |
CN206940613U (en) | A kind of anticlogging sewage disposal device | |
CN204958681U (en) | Sewage treatment device | |
CN207726867U (en) | A kind of efficient rainwater treatment device | |
CN206090805U (en) | No deposit formula sewage lifting pump station | |
CN213388113U (en) | Intelligent water treatment device | |
CN207435075U (en) | A kind of swinging arc orifice plate fine fack system applied to sewage disposal | |
CN107902841A (en) | High-efficient treatment device based on industrial waste sewage | |
CN211963256U (en) | Sewage treatment is with preventing filter equipment who blocks up | |
CN210286985U (en) | Novel sewage treatment combination device | |
CN211141799U (en) | Sewage treatment plant for chemical machinery | |
CN207072893U (en) | A kind of industrial wastewater processing unit | |
CN210001690U (en) | sewer sludge filtering device | |
CN215516943U (en) | Drinking water remains mineral substance water purification installation | |
CN213803404U (en) | Domestic sewage treatment device | |
CN216445201U (en) | Urban sewage treatment equipment | |
CN221399303U (en) | Road ponding drainage structures | |
CN215026487U (en) | Sewage treatment device with self-cleaning function | |
CN217025570U (en) | Landfill leachate purifier |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210622 |