CN214861787U - River course sewage treatment is with reposition of redundant personnel filter equipment - Google Patents
River course sewage treatment is with reposition of redundant personnel filter equipment Download PDFInfo
- Publication number
- CN214861787U CN214861787U CN202121034306.0U CN202121034306U CN214861787U CN 214861787 U CN214861787 U CN 214861787U CN 202121034306 U CN202121034306 U CN 202121034306U CN 214861787 U CN214861787 U CN 214861787U
- Authority
- CN
- China
- Prior art keywords
- drive gear
- filter screen
- sewage
- sewage treatment
- water level
- 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
Landscapes
- Filtration Of Liquid (AREA)
Abstract
The utility model discloses a river course sewage treatment is with reposition of redundant personnel filter equipment relates to river course sewage treatment technical field, for solving the inside filter screen of current reposition of redundant personnel filter equipment and need regularly inspect and change too time-consuming problem. The inside one side of diverging device shell is provided with the filter chamber, the upper end of filter chamber is provided with cleaning device, cleaning device comprises filter screen cleaning brush, gag lever post, threaded rod, first drive gear, second drive gear and timing device, second drive gear is located the outside of threaded rod, first drive gear is located one side of second drive gear, timing device is located the one end of first drive gear, the inside one side of diverging device shell is provided with the sewage and stores up the sodium storehouse, the inside one side in sewage storage sodium storehouse is provided with water level detection device, second drive gear and threaded rod screw-thread fit, second drive gear is connected with the meshing of first drive gear.
Description
Technical Field
The utility model relates to a river course sewage treatment technical field specifically is a river course sewage treatment is with reposition of redundant personnel filter equipment.
Background
Because the rivers in the river course flow, the flow of water can be brought into the aquatic with the rubbish that is located the river course side, and the aquatic contains rubbish can make quality of water decline, influences ecological environment, therefore needs the use device to filter the sewage of aquatic, gives the filtration with the debris of aquatic, and reposition of redundant personnel filter equipment is shunted into sewage and clean water after filtering sewage through the filter screen.
However, the inside filter screen of current reposition of redundant personnel filter equipment is when filtering sewage, and impurity can be piled up in the filter screen, can lead to filter screen blocking and filter effect to reduce, therefore need often inspect the water yield of delivery port after filtering and regularly change the filter screen, and the filtering process is too loaded down with trivial details, consequently unsatisfied current demand, to this we have proposed a river course is reposition of redundant personnel filter equipment for sewage treatment.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a river course sewage treatment is with reposition of redundant personnel filter equipment to solve the inside filter screen of reposition of redundant personnel filter equipment that provides in the above-mentioned background art and need regularly inspect and change too time-consuming problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a river course sewage treatment is with reposition of redundant personnel filter equipment, includes the diverging device shell, the inside one side of diverging device shell is provided with the filter chamber, the upper end of filter chamber is provided with cleaning device, cleaning device comprises filter screen cleaning brush, gag lever post, threaded rod, first drive gear, second drive gear and timing device, second drive gear is located the outside of threaded rod, first drive gear is located one side of second drive gear, timing device is located the one end of first drive gear, the inside one side of diverging device shell is provided with sewage and stores up the sodium storehouse, the inside one side in sewage storage sodium storehouse is provided with water level detection device, one side of diverging device shell upper end is provided with first river course sewage valve.
Preferably, second drive gear and threaded rod screw-thread fit, second drive gear is connected with the meshing of first drive gear, the filter screen cleaning brush is located the lower extreme of threaded rod, the gag lever post is located one side of filter screen cleaning brush upper end, gag lever post and diverging device shell sliding connection, the lower extreme of filter screen cleaning brush is provided with the filter chamber, be provided with second river course sewage valve between filter chamber and the sewage storage sodium storehouse, the outside of filter chamber is provided with the impurity filter screen, the lower extreme of impurity filter screen is provided with the sewage delivery port, one side of impurity filter screen is provided with the drainage delivery port.
Preferably, one side of cleaning device is provided with water flow detection device, water flow detection device comprises water flow contact board, rolling bearing, sliding contact fixed plate and second response press block, the water flow contact board is located rolling bearing's upper end, rolling bearing rotates with the diverging device shell and is connected, the sliding contact fixed plate is located rolling bearing's lower extreme, the second responds to press the one side that the press block is located rolling bearing.
Preferably, the water level detection device is composed of a water level floating plate, a floating plate slide rail and a first induction pressing block, the water level floating plate is located outside the floating plate slide rail, the floating plate slide rail is connected with the water level floating plate in a sliding mode, and the first induction pressing block is located at the upper end of the water level floating plate.
Preferably, the inside opposite side in sewage storage sodium storehouse is provided with floating garbage extraction element, floating garbage extraction element salvages by bracing piece, drive belt and rubbish and grabs and constitutes, the bracing piece is located the outside of drive belt, the rubbish is salvaged and is grabbed the one end that is located the drive belt, one side of floating garbage extraction element lower extreme is provided with floating garbage storage sodium storehouse.
Preferably, the lower end in the floating garbage sodium storage bin is provided with a sewage filter screen.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a be provided with cleaning device in the upper end of filter chamber, cleaning device comprises filter screen cleaning brush, gag lever post, threaded rod, first drive gear, second drive gear and timing device, set up the time to timing device, timing device gives a signal to the motor after the time arrives, output shaft through the motor drives first drive gear and rotates, first drive gear rotates and drives second drive gear and rotates, make threaded rod and second drive gear produce relative rotation under the effect of frictional force through second drive gear, make filter screen cleaning brush convert into linear motion from rotary motion through the restriction of gag lever post, thus make filter screen cleaning brush longitudinal movement, and rub impurity filter screen through filter screen cleaning brush, pollutant attached on the filter chamber is rubbed, can drop and flow out from the sewage delivery port along sewage rivers, the pollutants on the impurity filter screen are cleaned regularly through the filter screen cleaning brush, the filtering efficiency of the impurity filter screen can be improved, and the replacing frequency of the impurity filter screen is reduced.
2. The utility model discloses a be provided with water flow detection device in one side inside the drainage delivery port, water flow detection device comprises water flow contact plate, rolling bearing, sliding contact fixed plate and second response press block, water after filtering through the impurity filter screen can discharge through the drainage delivery port, the long live time of impurity filter screen can lead to the impurity filter screen to block up, the blocking up of impurity filter screen can lead to the unable normal filtration of water and discharge from the drainage delivery port, water can be because the jam is whole to be discharged through the sewage delivery port, lead to the reduction of water flow of drainage delivery port, the reduction of water flow of drainage delivery port can make the thrust that gives the water flow contact plate reduce, the inside of rolling bearing is provided with the spring, after losing the thrust of water, the resilience of spring drives the rolling bearing rotation, the rolling bearing rotation drives the sliding contact fixed plate rotation, after the sliding contact fixed plate rotates and touches the second response and presses the briquetting, the second response is pressed the briquetting and can be given cleaning device a signal to clear up the impurity filter screen through cleaning device, prevent to cause unable filtration because of the jam of impurity filter screen, cause the waste of water resource.
3. The utility model is provided with a water level detection device at one side of the sewage sodium storage bin, the water level detection device is composed of a water level floating plate, a floating plate slide rail and a first induction pressing block, after sewage is discharged into the sewage sodium storage bin through the first river sewage valve, the sewage is contacted with the water level floating plate, the water level floating plate moves upwards due to the buoyancy of the sewage, the water level floating plate moves upwards to a sufficient height and then is contacted with the first induction pressing block, the first induction pressing block gives a signal to the first river sewage valve after being extruded, the first river sewage valve is closed, the output shaft through the motor drives the driving belt and removes and drives rubbish salvage when removing and grab the removal, and rubbish is salvaged and is grabbed the floater of removal in with the sewage and snatch, falls into floating rubbish after snatching and stores up the sodium storehouse, filters the great suspended solid of aquatic volume to prevent that follow-up equipment is inside because rubbish blocks up.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a perspective view of the garbage salvaging claw of the present invention;
fig. 3 is a partially enlarged view of the area a in fig. 1 according to the present invention;
fig. 4 is a partially enlarged view of the area B in fig. 1 according to the present invention;
fig. 5 is a partially enlarged view of the region C in fig. 1 according to the present invention.
In the figure: 1. a shunt device housing; 2. a first river sewage valve; 3. a sewage sodium storage bin; 4. a water level detection device; 5. a water level floating plate; 6. a floating plate slide rail; 7. a first induction pressing block; 8. a floating garbage extraction device; 9. a support bar; 10. a transmission belt; 11. salvaging and grabbing garbage; 12. a floating garbage sodium storage bin; 13. a sewage filter screen; 14. a second river sewage valve; 15. a filter chamber; 16. an impurity filter screen; 17. A filtered water outlet; 18. a sewage outlet; 19. a filter screen cleaning brush; 20. a limiting rod; 21. a threaded rod; 22. a first drive gear; 23. a second transmission gear; 24. a timing device; 25. a water flow rate detection device; 26. a water flow contact plate; 27. a rotating bearing; 28. a sliding contact fixing plate; 29. a second induction pressing block; 30. a cleaning device.
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.
Referring to fig. 1-5, the present invention provides an embodiment: the utility model provides a river course sewage treatment is with reposition of redundant personnel filter equipment, including diverging device shell 1, one side of diverging device shell 1 inside is provided with filter chamber 15, the upper end of filter chamber 15 is provided with cleaning device 30, cleaning device 30 is by filter screen cleaning brush 19, gag lever post 20, threaded rod 21, first drive gear 22, second drive gear 23 and timing device 24 are constituteed, second drive gear 23 is located the outside of threaded rod 21, first drive gear 22 is located one side of second drive gear 23, timing device 24 is located first drive gear 22's one end, one side of diverging device shell 1 inside is provided with sewage and stores up sodium storehouse 3, sewage stores up the inside one side in sodium storehouse 3 and is provided with water level detection device 4, one side of diverging device shell 1 upper end is provided with first river course sewage valve 2.
Further, a second transmission gear 23 is in threaded fit with the threaded rod 21, the second transmission gear 23 is in meshed connection with a first transmission gear 22, the filter screen cleaning brush 19 is located at the lower end of the threaded rod 21, the limiting rod 20 is located on one side of the upper end of the filter screen cleaning brush 19, the limiting rod 20 is in sliding connection with the flow dividing device shell 1, a filter cavity 15 is arranged at the lower end of the filter screen cleaning brush 19, a second river sewage valve 14 is arranged between the filter cavity 15 and the sewage sodium storage bin 3, an impurity filter screen 16 is arranged outside the filter cavity 15, a sewage water outlet 18 is arranged at the lower end of the impurity filter screen 16, a filtered water outlet 17 is arranged on one side of the impurity filter screen 16, the first transmission gear 22 is driven to rotate by an output shaft of a motor, the first transmission gear 22 drives the second transmission gear 23 to rotate, the threaded rod 21 and the second transmission gear 23 are driven to rotate relatively under the action of friction force by the second transmission gear 23, make filter screen cleaning brush 19 convert linear motion from rotary motion through the restriction of gag lever post 20 to make filter screen cleaning brush 19 longitudinal movement, and rub impurity filter screen 16 through filter screen cleaning brush 19, the adnexed pollutant receives the friction back on filter cavity 15, can drop and flow out from sewage delivery port 18 along sewage rivers, regularly clear up the pollutant on impurity filter screen 16 through filter screen cleaning brush 19, can carry out the filtration efficiency of impurity filter screen 16, the follow-up frequency of impurity filter screen 16 has been reduced.
Further, a water flow detection device 25 is arranged on one side of the cleaning device 30, the water flow detection device 25 is composed of a water flow contact plate 26, a rotating bearing 27, a sliding contact fixing plate 28 and a second induction pressing block 29, the water flow contact plate 26 is positioned at the upper end of the rotating bearing 27, the rotating bearing 27 is rotatably connected with the flow dividing device shell 1, the sliding contact fixing plate 28 is positioned at the lower end of the rotating bearing 27, the second induction pressing block 29 is positioned on one side of the rotating bearing 27, the blockage of the impurity filter screen 16 can cause the water to be abnormally filtered and discharged from the filtered water outlet 17, the water can be completely discharged through the sewage outlet 18 due to the blockage, the water flow of the filtered water outlet 17 is reduced, the thrust given to the water flow contact plate 26 can be reduced due to the reduction of the water flow of the filtered water outlet 17, a spring is arranged inside the rotating bearing 27, and after the thrust of the water is lost, the resilience of the spring drives the rotating bearing 27 to rotate, the rolling bearing 27 rotates to drive the sliding contact fixing plate 28 to rotate, after the sliding contact fixing plate 28 rotates and touches the second induction pressing block 29, the second induction pressing block 29 gives a signal to the cleaning device 30, and the impurity filter screen 16 is cleaned through the cleaning device 30, so that the problem that water resources are wasted due to the fact that the impurity filter screen 16 cannot be filtered due to blockage is avoided.
Further, water level detection device 4 is by water level floating plate 5, floating plate slide rail 6 and first response are pressed the briquetting 7 and are constituteed, water level floating plate 5 is located floating plate slide rail 6's outside, floating plate slide rail 6 and water level floating plate 5 sliding connection, first response is pressed briquetting 7 and is located water level floating plate 5's upper end, pass through first river course sewage valve 2 and arrange sewage into behind the sewage storage sodium storehouse 3, sewage and the contact of water level floating plate 5, water level floating plate 5 shifts up because of the buoyancy of sewage, water level floating plate 5 moves up to the first response of enough high after-contact and presses briquetting 7, first response is pressed briquetting 7 and is given first river course sewage valve 2 a signal after receiving the extrusion, first river course sewage valve 2 closes, make the inside upper end in sewage storage sodium storehouse 3 contain the cavity, so that make showy rubbish.
Further, sewage stores up the inside opposite side in sodium storehouse 3 and is provided with floating garbage extraction element 8, floating garbage extraction element 8 is by bracing piece 9, drive belt 10 and rubbish are salvaged and are grabbed 11 and constitute, bracing piece 9 is located the outside of drive belt 10, rubbish is salvaged and is grabbed 11 one end that is located drive belt 10, one side of floating garbage extraction element 8 lower extreme is provided with floating garbage and stores up sodium storehouse 12, it salvages and grabs 11 removal to drive rubbish when driving drive belt 10 removal through the output shaft of motor, rubbish is salvaged and is grabbed 11 and remove the floater in with the sewage and snatch, it stores up sodium storehouse 12 to fall into floating garbage after snatching, filter the great suspended solid of aquatic volume, in order to prevent that follow-up equipment is inside because rubbish blocks up.
Further, a sewage filter screen 13 is arranged at the lower end inside the floating garbage sodium storage bin 12 to filter water inside the garbage.
The working principle is as follows: when the device is used, when the filter screen in the shunting filter device filters sewage, impurities are accumulated in the filter screen, so that the filter screen is blocked and the filtering effect is reduced, time is set for the timing device 24, the timing device 24 gives a signal to the motor after the time is up, the output shaft of the motor drives the first transmission gear 22 to rotate, the first transmission gear 22 rotates to drive the second transmission gear 23 to rotate, the threaded rod 21 and the second transmission gear 23 generate relative rotation under the action of friction force through the second transmission gear 23, the filter screen cleaning brush 19 is converted from rotary motion to linear motion through the limitation of the limiting rod 20, so that the filter screen cleaning brush 19 longitudinally moves, the impurity filter screen 16 is rubbed through the filter screen cleaning brush 19, pollutants attached to the filter cavity 15 fall off after being rubbed and flow out from the sewage water outlet 18 along sewage water flow, the pollutants on the impurity filter screen 16 are cleaned regularly through the filter screen cleaning brush 19, due to different sewage impurities, the blocking time of the impurity filter screen 16 is different each time, the blocking of the impurity filter screen 16 can cause that water can not be normally filtered and is discharged from the filtered water outlet 17, the water can be completely discharged through the sewage outlet 18 due to the blocking, the water flow of the filtered water outlet 17 is reduced, the thrust given to the water flow contact plate 26 is reduced due to the reduction of the water flow of the filtered water outlet 17, a spring is arranged inside the rotary bearing 27, after the thrust of the water is lost, the resilience of the spring drives the rotary bearing 27 to rotate, the rotary bearing 27 rotates to drive the sliding contact fixing plate 28 to rotate, after the sliding contact fixing plate 28 rotates and touches the second induction pressing block 29, the second induction pressing block 29 can give a signal to the cleaning device 30, the impurity filter screen 16 is cleaned through the cleaning device 30, so that the problem that the filtering cannot be performed due to the blockage of the impurity filter screen 16 and the waste of water resources is caused is prevented, the polluted water in the river channel often contains polluted garbage with larger volume, the polluted garbage with larger volume can cause the blockage of the inside of the device and can not normally operate, after the polluted water is discharged into the sewage sodium storage bin 3 through the first river channel sewage valve 2, the polluted water is contacted with the water level floating plate 5, the water level floating plate 5 moves upwards due to the buoyancy of the polluted water, the water level floating plate 5 moves upwards to a sufficient height and then is contacted with the first induction pressing block 7, the first induction pressing block 7 is extruded and gives a signal to the first river channel sewage valve 2, the first river channel sewage valve 2 is closed, the driving belt 10 is driven by the output shaft of the motor to move, the garbage salvaging grab 11 is driven to move, and the garbage salvaging grab 11 moves to grab the floating objects in the polluted water, and the floating garbage falls into a floating garbage sodium storage bin 12 after being grabbed, and the suspended matters with large volume in water are filtered to prevent the interior of subsequent equipment from being blocked by garbage.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a river course sewage treatment is with reposition of redundant personnel filter equipment, includes diverging device shell (1), its characterized in that: the utility model discloses a sewage treatment device, including diverging device shell (1), filter chamber (15), cleaning device (30) are provided with cleaning device (30) in the inside one side of diverging device shell (1), the upper end of filter chamber (15) comprises filter screen cleaning brush (19), gag lever post (20), threaded rod (21), first drive gear (22), second drive gear (23) and timing device (24), second drive gear (23) are located the outside of threaded rod (21), first drive gear (22) are located one side of second drive gear (23), timing device (24) are located the one end of first drive gear (22), the inside one side of diverging device shell (1) is provided with sewage and stores up sodium storehouse (3), the inside one side in sewage storage sodium storehouse (3) is provided with water level detection device (4).
2. The split-flow filtering device for river sewage treatment according to claim 1, wherein: second drive gear (23) and threaded rod (21) screw-thread fit, second drive gear (23) are connected with first drive gear (22) meshing, filter screen cleaning brush (19) are located the lower extreme of threaded rod (21), gag lever post (20) are located one side of filter screen cleaning brush (19) upper end, gag lever post (20) and diverging device shell (1) sliding connection.
3. The split-flow filtering device for river sewage treatment according to claim 1, wherein: one side of cleaning device (30) is provided with water flow detection device (25), water flow detection device (25) comprises water flow contact board (26), rolling bearing (27), sliding contact fixed plate (28) and second response press block (29), water flow contact board (26) are located the upper end of rolling bearing (27), rolling bearing (27) rotate with diverging device shell (1) and are connected, sliding contact fixed plate (28) are located the lower extreme of rolling bearing (27), second response press block (29) are located one side of rolling bearing (27).
4. The split-flow filtering device for river sewage treatment according to claim 1, wherein: the water level detection device (4) is composed of a water level floating plate (5), a floating plate slide rail (6) and a first induction pressing block (7), the water level floating plate (5) is located outside the floating plate slide rail (6), the floating plate slide rail (6) is in sliding connection with the water level floating plate (5), and the first induction pressing block (7) is located at the upper end of the water level floating plate (5).
5. The split-flow filtering device for river sewage treatment according to claim 1, wherein: the sewage is stored up the inside opposite side in sodium storehouse (3) and is provided with floating garbage extraction element (8), floating garbage extraction element (8) are salvaged by bracing piece (9), drive belt (10) and rubbish and grab (11) and constitute, bracing piece (9) are located the outside of drive belt (10), the rubbish is salvaged and is grabbed (11) and be located the one end of drive belt (10), one side of floating garbage extraction element (8) lower extreme is provided with floating garbage and stores up sodium storehouse (12).
6. The split-flow filtering device for river sewage treatment according to claim 5, wherein: the lower end in the floating garbage sodium storage bin (12) is provided with a sewage filter screen (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121034306.0U CN214861787U (en) | 2021-05-14 | 2021-05-14 | River course sewage treatment is with reposition of redundant personnel filter equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121034306.0U CN214861787U (en) | 2021-05-14 | 2021-05-14 | River course sewage treatment is with reposition of redundant personnel filter equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214861787U true CN214861787U (en) | 2021-11-26 |
Family
ID=78890926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121034306.0U Active CN214861787U (en) | 2021-05-14 | 2021-05-14 | River course sewage treatment is with reposition of redundant personnel filter equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214861787U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114522459A (en) * | 2022-04-24 | 2022-05-24 | 深圳地环生态科技有限公司 | Sundry separating device for water treatment |
-
2021
- 2021-05-14 CN CN202121034306.0U patent/CN214861787U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114522459A (en) * | 2022-04-24 | 2022-05-24 | 深圳地环生态科技有限公司 | Sundry separating device for water treatment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113023936A (en) | Multistage sewage treatment equipment and treatment method for hydraulic engineering | |
| CN214861787U (en) | River course sewage treatment is with reposition of redundant personnel filter equipment | |
| CN113529907A (en) | Rainwater recovery device with anti-blocking function | |
| CN112827223B (en) | Sewage and wastewater treatment device with water level detection function | |
| CN217808967U (en) | Dross cleaning device | |
| CN115506323A (en) | One-way ocean floating garbage collection and compression integrated device | |
| CN114377449A (en) | Water purifier for water environment protection | |
| CN213114545U (en) | Flashboard for hydraulic engineering | |
| CN211077236U (en) | Garbage truck case with sewage separation function | |
| CN209778348U (en) | Closed water conservancy sieve grid device | |
| CN112921926A (en) | Marine garbage fishing device | |
| CN220644388U (en) | Sewage disposal device for hydraulic engineering | |
| CN215715868U (en) | Sponge city rainwater shunting discharging equipment | |
| CN209885359U (en) | Mesh belt filter for sewage slag discharge | |
| CN114014503B (en) | Sewage treatment fine grid of high-efficient edulcoration | |
| CN219072342U (en) | Industrial sewage removes batting formula processing apparatus | |
| CN215692344U (en) | Stepped rural sewage treatment device | |
| KR20050074361A (en) | Floating waste removal machine having hand rotery apparatus | |
| CN216879539U (en) | Underwater sewage smashing device for hydraulic and hydroelectric engineering | |
| CN217829035U (en) | Sewage treatment equipment with self-cleaning function | |
| CN217998016U (en) | Dirt fishing device for sewage treatment | |
| CN216918975U (en) | Sludge storage bin of dredger | |
| CN219984012U (en) | Improve filtration efficiency's environmental protection and use effluent treatment plant | |
| CN220352769U (en) | Multistage screening sewage treatment device | |
| CN219744045U (en) | But self-cleaning filtration for sewage treatment plant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |