CN112587996A - Sewage treatment device and sewage treatment method - Google Patents
Sewage treatment device and sewage treatment method Download PDFInfo
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- CN112587996A CN112587996A CN202110072414.5A CN202110072414A CN112587996A CN 112587996 A CN112587996 A CN 112587996A CN 202110072414 A CN202110072414 A CN 202110072414A CN 112587996 A CN112587996 A CN 112587996A
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- 239000010865 sewage Substances 0.000 title claims abstract description 104
- 238000000034 method Methods 0.000 title claims description 24
- 238000007789 sealing Methods 0.000 claims abstract description 89
- 238000007790 scraping Methods 0.000 claims abstract description 81
- 239000010813 municipal solid waste Substances 0.000 claims abstract description 54
- 238000004140 cleaning Methods 0.000 claims abstract description 47
- 238000005192 partition Methods 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000009434 installation Methods 0.000 claims description 47
- 238000001914 filtration Methods 0.000 claims description 26
- 230000005540 biological transmission Effects 0.000 claims description 21
- 230000008569 process Effects 0.000 claims description 18
- 230000033001 locomotion Effects 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 description 8
- 230000006872 improvement Effects 0.000 description 7
- 230000007613 environmental effect Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
- B01D29/6469—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers
- B01D29/6484—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers with a translatory movement with respect to the filtering element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention belongs to the technical field of sewage treatment, and particularly relates to a sewage treatment device which comprises a motor, a grid baffle, a sealing baffle module, a cleaning scraping module and a collecting tank. The swinging partition strips are designed, and when the garbage is not normally scraped and cleaned, the uniformly distributed partition strips form uniformly distributed vertical partition strips on the water facing side of the transverse partition plate, so that the gaps of the garbage passing through the grid baffle are reduced, and the garbage interception effect of the grid baffle is improved.
Description
Technical Field
The invention belongs to the technical field of sewage treatment, and particularly relates to a sewage treatment device.
Background
With the rapid development of economy, the pressure of water resource shortage is increasing, and people finally realize that the water consumption in society exceeds the range which can be borne by natural circulation. People are more and more aware of the importance of reasonably utilizing water resources, and the effective way for sustainable utilization of water resources is only to fully respect the natural circulation rule of water resources, realize the repeated cyclic utilization of water resources and maintain the cyclic balance of water resources. And the wide application of sewage treatment is a necessary choice for social sustainable development.
In sewage treatment, floating objects and large objects in water are isolated from the water through a grating by physical interception of the grating before chemical treatment. At present, the grids are in various forms, but basically intercept the garbage in the sewage to the upper side of the sewage water level, then collect the garbage to the upper side of the ground through the grid harrow, and when no fence is arranged, the garbage which is located on the upper side of the ground, is exposed, blown and dried is easily affected by wind, flies all around and flies all over, and the environment is seriously affected; in addition, the environment of a treatment plant can be influenced by the garbage which leaks in a naked mode, so that the design of equipment which is as high as grids and can scrape the garbage intercepted by the grids from the side face is necessary, the scraped garbage cannot be higher than the sewage level under the condition that the scraped garbage is not fully piled, and certain environmental protection value is achieved from the environmental protection perspective.
The invention designs a sewage treatment device to solve the problems.
Disclosure of Invention
In order to solve the defects in the prior art, the invention discloses a sewage treatment device which is realized by adopting the following technical scheme.
A sewage treatment device comprises a motor, a grid baffle, a sealing baffle module, a cleaning scraping module and a collecting tank, wherein the grid baffle formed by a transverse baffle which is uniformly distributed up and down and a vertical baffle which is uniformly distributed left and right are arranged in a front-back staggered manner is obliquely arranged in a sewage flow channel; two discharge ports are symmetrically formed in the two sides of the sewage flow channel and are positioned on the water facing side of the grid baffle; two collecting tanks are symmetrically arranged on two sides of the two discharge ports, and the bottom surfaces of the collecting tanks are provided with filtering bottom plates for filtering sewage; one side of each of the two material outlets, which is close to the corresponding collecting tank, is provided with a sealing baffle plate module in a sliding manner, and when the garbage is not scraped, the two material outlets are closed and sealed by the two sealing baffle plate modules; the cleaning scraping module is slidably arranged in the sewage flow channel and is positioned on the water facing side of the grating baffle; the motor is installed at the upside of sewage runner, and the motor passes through the screw rod and can drive the clearance to strike off the module and slide left and right in the sewage runner and scrape off the clearance to the rubbish in the sewage runner.
The cleaning scraping module comprises a scraping plate, an installation frame, a filtering baffle, a scraping plate and a swinging plate, wherein the scraping plate is slidably installed in the sewage flow channel, and the upper end of the scraping plate is connected with an output shaft of the motor through a screw rod; a plurality of scraping plates are uniformly and fixedly arranged on one side of the scraping plate from top to bottom, two first arc surfaces and two second arc surfaces which are symmetrically distributed are arranged on two sides of each scraping plate, and the first arc surfaces are close to the scraping plate relative to the second arc surfaces on the corresponding side; the scraping plate is in sliding fit with a gap between adjacent transverse partition plates on the water facing side on the grating baffle plate; the scraper is provided with an installation opening, a plurality of swing plates are evenly installed in the installation opening in a swinging mode from top to bottom through a plurality of second rotating shafts, the upper end of the scraper is provided with an input gear, and the input gear is driven to rotate to control all the swing plates to swing to open and close; two installation frames are symmetrically installed on two sides of the scraper, and one side, away from the scraper, of the installation frame is provided with a filtering baffle.
Two discharge openings of the sewage flow channel are provided with a rack in a sliding mode, and a first spring is arranged between the rack and the sewage flow channel.
When the cleaning scraping module is not driven to slide, the swinging plate is in an open state; in the process that the cleaning scraping module is driven by a motor to clean garbage in a sewage flow channel, after an installation frame on one side slides into a discharge opening on one side, the installation frame and the scraping plate can firstly shield and seal the two side surfaces and the bottom surface of the discharge opening on the corresponding side completely, an input gear is meshed with a corresponding rack after sealing, the input gear is driven to rotate, a swinging plate swings downwards gradually to close, after the installation frame is contacted with a corresponding sealing baffle plate module, the installation frame presses the sealing baffle plate module to enable the sealing baffle plate module to move backwards, and when the sealing baffle plate module is not sealing the discharge opening, the swinging plate is not closed completely; when the cleaning and scraping module continues to move towards the discharge opening, the input gear continues to be driven by the rack, after the swing plate is completely closed, the input gear cannot continue to rotate, the cleaning and scraping module continues to push the sealing baffle plate to move outwards, and the input gear drives the driving rack to slide and extrude the first spring; after first spring compression extremely limit state, the module is scraped in the clearance reaches final position, and treats that rubbish discharges into the back completely, and the module is scraped in the clearance shifts out from the bin outlet, and the sealed baffle module is sealed to the bin outlet again, and after the installation frame left the bin outlet, the module stop motion is scraped in the clearance.
As a further improvement of the technology, a plurality of swing parting strips are respectively and uniformly installed on the transverse partition plate in the grid baffle in a swinging manner in the left-right direction through a plurality of installation rotating shafts, and two adjacent swing parting strips do not interfere with each other in the swinging process; a first scroll spring is arranged between each mounting rotating shaft for mounting the swing parting strips and the corresponding transverse partition plate.
As a further improvement of the technology, a screw rod is mounted on an output shaft of the motor through a coupler, a threaded hole is formed in the upper end of the scraping plate, and the scraping plate is mounted on the lower side of the screw rod through the threaded hole and the thread of the screw rod in a matched mode; the bottom surface of the sewage flow channel is provided with a sliding guide groove in the left-right direction, the bottom surface of the scraper is fixedly provided with a sliding guide block, and the sliding guide block is in sliding fit with the sliding guide groove.
As a further improvement of the technology, a plurality of mounting holes are uniformly formed in the outer sides of the two discharge ports formed in the sewage flow channel from top to bottom.
The sealing baffle plate module comprises a sealing plate, guide slide bars, a touch spring and a second spring, wherein a plurality of guide slide bars are uniformly arranged at the upper part and the lower part of two sides of the sealing plate, the sealing plate is arranged at one side of the corresponding discharge outlet through the sliding fit of the guide slide bars and the mounting holes, the second spring is respectively arranged between each guide slide bar and the corresponding mounting hole, and the second spring is an extension spring; two touch springs are arranged on one side of the sealing plate close to the sewage flow channel.
As a further improvement of the technology, a sealing gasket is arranged on one side of the sealing plate close to the sewage flow channel.
As a further improvement of the technology, a mounting square groove is formed on one side of a mounting opening formed by the scraper, a plurality of shaft holes are uniformly formed between the mounting square groove and the mounting opening up and down, and the second rotating shaft is mounted on the scraper through the shaft holes; one end of each second rotating shaft, which is positioned in the mounting square groove, is fixedly provided with a seventh gear; one side of the upper end of the scraping plate is provided with an installation block, and an installation groove is formed in the installation block and communicated with the installation square groove; the first rotating shaft is rotatably arranged in the mounting square groove, a plurality of first gears are sequentially and uniformly rotatably arranged on the first rotating shaft from top to bottom, and the first gears are in one-to-one corresponding fit with seventh gears arranged on the second rotating shaft; a transmission ring is fixedly mounted on the upper side of each first gear, a second shifting block is mounted on the transmission ring, a plurality of first shifting blocks are uniformly mounted on the first rotating shaft from top to bottom in sequence, and the first shifting blocks are matched with the second shifting blocks in a one-to-one correspondence manner; and a third scroll spring is arranged between the transmission ring and the first rotating shaft.
The limiting shell is fixedly arranged in the mounting square groove, the limiting block is fixedly arranged in the limiting shell, a clamping block is fixedly arranged on the first rotating shaft, and the clamping block is matched with the limiting block; and a second volute spiral spring is arranged between the first rotating shaft and the limiting shell.
The third gear is fixedly arranged at the upper end of the first rotating shaft, the second gear, the fourth gear and the sixth gear are coaxially and rotatably arranged in the mounting groove, and the sixth gear is meshed with the third gear; the second gear penetrates out of the outer side of the mounting block; the fifth gear is rotatably arranged on the mounting block and meshed with the fourth gear, and the fifth gear penetrates out of the outer side of the mounting block.
The second gear and the fifth gear are two input gears.
As a further improvement of the technology, the two sides of the swinging plate are provided with notches, and after the swinging plates are vertically folded, the notches on the two swinging plates which are adjacent up and down are mutually overlapped in a staggered manner.
As a further improvement of the technology, two discharge ports formed on the sewage flow channel are respectively provided with an avoidance chute for avoiding the sliding of the mounting block, and one of the two discharge ports is provided with a first mounting chute for mounting the rack and the first spring and a first sliding groove for avoiding the fifth gear; and a second mounting chute for mounting the rack and the first spring and a second sliding chute for avoiding the second gear are formed at the other discharge opening.
Compared with the traditional sewage treatment technology, the invention has the following beneficial effects:
1. according to the invention, the garbage intercepted by the grid baffle is scraped and collected into the collection pool on the side surface through the scraper, and the collection pool is lower than the ground and is sealed on four sides in a pit-shaped structure, so that the garbage on the inner side cannot be blown away by wind even in windy weather, and is dispersed to other places to influence the environment, and the garbage collection device has high environmental protection value.
2. The motor designed by the invention can manually control the switch of the motor or control the switch of the motor in a reciprocating and discontinuous way through a set program; under normal conditions, the motor is controlled to work once every several hours by a program, so that the motor drives the scraper to slide once towards one side, then the scraper is driven to slide once towards the opposite direction next time, and the reciprocating alternate intermittent sliding is carried out to carry out intermittent collection treatment on the garbage in the sewage flow channel; if the cleaning time set by the program is not reached and the garbage accumulated in the sewage flow channel is enough in the using process, the motor can be manually controlled to work once to clean the garbage in the sewage flow channel once, and the manual control motor and the program control motor work independently.
3. The swinging partition strips are designed, and when the garbage is not normally scraped and cleaned, the uniformly distributed partition strips form uniformly distributed vertical partition strips on the water facing side of the transverse partition plate, so that the gaps of the garbage passing through the grid baffle are reduced, and the garbage interception effect of the grid baffle is improved.
Drawings
Fig. 1 is an external view of an entire part.
Fig. 2 is a schematic view of the overall component distribution.
Fig. 3 is a schematic diagram of a grid baffle structure.
Fig. 4 is a schematic view of a cleaning and doctoring module installation.
Fig. 5 is a schematic structural view of a cleaning and scraping module.
Fig. 6 is a schematic view of the squeegee configuration.
FIG. 7 is a schematic view of a wobble plate installation.
Fig. 8 is a schematic view of a seal dam module distribution.
FIG. 9 is a schematic view of the collection tank configuration.
Fig. 10 is a schematic view of a seal dam module installation.
FIG. 11 is a schematic view of a sewage flow path structure.
Fig. 12 is a rack mounting schematic.
Fig. 13 is a schematic view of a seal dam module configuration.
Number designation in the figures: 1. a sewage flow channel; 2. a motor; 3. a grid baffle; 4. a sealing baffle plate module; 5. cleaning a scraping module; 6. a collection tank; 7. a transverse partition; 8. swinging the parting strip; 9. installing a rotating shaft; 10. a first scroll spring; 11. a squeegee; 12. a screw; 13. a coupling; 14. a mounting frame; 15. a filtering baffle; 16. scraping the plate; 17. a swinging plate; 18. a sliding guide block; 19. a first arc surface; 20. a second arc surface; 21. a notch; 22. an installation port; 23. installing a square groove; 24. a shaft hole; 25. mounting grooves; 26. mounting blocks; 27. a first rotating shaft; 28. a second rotating shaft; 29. a first gear; 30. a second gear; 31. a third gear; 32. a fourth gear; 33. a fifth gear; 34. a sixth gear; 35. a limiting shell; 36. a drive ring; 37. a second scroll spring; 38. a limiting block; 39. a clamping block; 40. a first shifting block; 41. a second shifting block; 42. a third scroll spring; 43. a sliding guide groove; 44. a filter base plate; 45. mounting holes; 46. avoiding the mouth; 47. avoiding the chute; 48. a first sliding groove; 49. a first mounting chute; 50. a second sliding groove; 51. a second mounting chute; 52. a rack; 53. a first spring; 54. a gasket; 55. a guide slide bar; 56. touching the clockwork spring; 57. a second spring; 58. a vertical partition plate; 59. a seventh gear; 60. a discharge outlet; 61. and (7) sealing the plate.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples or figures are illustrative of the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1, it comprises a motor 2, a grid baffle 3, a seal baffle module 4, a cleaning scraping module 5 and a collecting tank 6, wherein as shown in fig. 2 and 3, a grid baffle composed of a transverse partition 7 which is uniformly distributed up and down and a vertical partition 58 which is uniformly distributed left and right are obliquely arranged in a sewage flow channel 1 in a staggered manner from front to back; as shown in fig. 11, two discharge ports 60 are symmetrically formed at two sides of the sewage flow channel 1, and the two discharge ports 60 are located at the water-facing side of the grid baffle; as shown in fig. 1, 8 and 9, two collecting tanks 6 are symmetrically arranged on two sides of two discharge openings 60, and the bottom surfaces of the collecting tanks 6 are provided with filtering bottom plates 44 for filtering sewage; as shown in fig. 10 and 13, one sealing baffle module 4 is slidably mounted on each side of the two discharge openings 60 close to the corresponding collecting tank 6, and when the garbage is not scraped, the two discharge openings 60 are closed and sealed by the two sealing baffle modules 4; as shown in fig. 1, the cleaning scraping module 5 is slidably mounted in the sewage flow channel 1 and is located on the water-facing side of the grating baffle; motor 2 installs the upside at sewage runner 1, and motor 2 passes through screw rod 12 and can drive the clearance and strike off module 5 and slide left and right side in sewage runner 1 and scrape the clearance to the rubbish in the sewage runner 1.
According to the invention, the filtering bottom plate 44 is arranged on the bottom surface of the collecting tank 6, and the filtering bottom plate 44 can be used for carrying out water filtering treatment on the garbage collected in the collecting tank 6, so that the sewage brought into the collecting tank 6 by the garbage can be conveniently discharged from the lower side of the filtering bottom plate 44.
When the garbage is not scraped, the two discharge ports 60 are closed and sealed by the two sealing baffle modules 4, so that the sewage in the sewage flow channel 1 is prevented from flowing into the collecting shell in the flowing process.
In the invention, the motor 2 works to drive the screw 12 to rotate, and the scraper 11 is in threaded fit with the screw 12, and the lower end of the scraper 11 is slidably arranged in the sewage flow channel 1 through the sliding fit of the sliding guide block 18 and the sliding guide groove 43 and cannot rotate, so that the screw 12 can drive the scraper 11 to slide through the threads when rotating. The motor 2 designed by the invention can manually control the switch thereof or control the switch thereof in a reciprocating and discontinuous way through a set program; under normal conditions, the motor 2 is controlled to work once every several hours by a program, so that the motor 2 drives the scraper 11 to slide once towards one side, then the scraper 11 is driven to slide once towards the opposite direction again next time, and the reciprocating alternate intermittent sliding is carried out to carry out intermittent collection treatment on the garbage in the sewage flow channel 1; if the program-set cleaning time is not reached and the garbage accumulated in the sewage flow channel 1 is enough in the using process, the motor 2 can be manually controlled to work once to clean the garbage in the sewage flow channel 1 once, and the manual control motor 2 and the program control motor 2 work independently.
When the scraping plate 11 is just scraped, sewage cannot enter the collecting tank 6 due to the existence of the sealing baffle plate module 4.
As shown in fig. 4 and 5, the cleaning scraping module 5 includes a scraping plate 11, a mounting frame 14, a filtering baffle 15, a scraping plate 16, and a swinging plate 17, wherein as shown in fig. 1, the scraping plate 11 is slidably mounted in the sewage flow channel 1, and the upper end of the scraping plate 11 is connected with the output shaft of the motor 2 through a screw 12; as shown in fig. 5, a plurality of scraping plates 16 are uniformly and fixedly mounted on one side of the scraper 11 from top to bottom, two first arc surfaces 19 and two second arc surfaces 20 are symmetrically distributed on two sides of the scraping plates 16, and the first arc surfaces 19 are close to the scraper 11 relative to the second arc surfaces 20 on the corresponding side; the scraping plate 16 is in sliding fit with the gap between the adjacent transverse partition plates 7 on the water facing side on the grating baffle; as shown in fig. 6, the scraper 11 has a mounting opening 22, as shown in fig. 7, a plurality of swing plates 17 are uniformly installed in the mounting opening 22 in a swinging manner from top to bottom through a plurality of second rotating shafts 28, the upper end of the scraper 11 has an input gear, and the input gear is driven to rotate to control all the swing plates 17 to swing open and close; two mounting frames 14 are symmetrically mounted on both sides of the scraper 11, and the sides of the mounting frames 14 away from the scraper 11 are provided with filtering baffles 15.
The first arc surface 19 and the second arc surface 20 are designed to provide resistance for the scraping plate 16 to separate the garbage from the scraping plate 16 during the garbage scraping process, so that the garbage scraping effect of the scraping plate 16 is improved.
As shown in fig. 12, a rack 52 is slidably mounted at each of two discharge ports 60 opened in the sewage flow channel 1, and a first spring 53 is mounted between the rack 52 and the sewage flow channel 1.
When the cleaning scraping module 5 is not driven to slide, the swinging plate 17 is in an open state; in the process that the cleaning scraping module 5 is driven by the motor 2 to clean the garbage in the sewage flow channel 1, after the mounting frame 14 on one side slides into the discharge opening 60 on one side, the mounting frame 14 and the scraping plate 16 can firstly shield and seal the two side surfaces and the bottom surface of the discharge opening 60 on the corresponding side completely, the input gear is meshed with the corresponding rack 52 after sealing, the input gear is driven to rotate, the swinging plate 17 swings downwards gradually to close, after the mounting frame 14 is contacted with the corresponding sealing baffle module 4, the mounting frame 14 presses the sealing baffle module 4 to enable the sealing baffle module 4 to move backwards, and when the sealing baffle module 4 is not sealing the discharge opening 60, the swinging plate 17 is not closed completely; when the cleaning scraping module 5 continues to move towards the discharge opening 60, the input gear continues to be driven by the rack 52, after the swinging plate 17 is completely closed, the input gear cannot continue to rotate, the cleaning scraping module 5 continues to push the sealing baffle to move outwards, and the input gear drives the driving rack 52 to slide and extrude the first spring 53; after the first spring 53 has been compressed to the limit, the cleaning scraper module 5 reaches the final position, and after the waste has been completely discharged, the cleaning scraper module 5 is moved out of the discharge opening 60, the sealing flap module 4 again seals the discharge opening 60, and after the mounting frame 14 has left the discharge opening 60, the movement of the cleaning scraper module 5 is stopped.
As shown in fig. 3, a plurality of swing spacers 8 are respectively and uniformly installed on the transverse partition plate 7 of the grid baffle 3 in a swinging manner in the left-right direction through a plurality of installation rotating shafts 9, and two adjacent swing spacers 8 do not interfere with each other in the swinging process; a first volute spring 10 is arranged between each mounting rotating shaft 9 for mounting the swing parting strips 8 and the corresponding transverse partition 7. The swing division bars 8 are designed to form uniformly distributed vertical division bars on the water facing side of the transverse partition plate 7 through the uniformly distributed division bars when the garbage is not normally scraped and cleaned, so that the gaps of the garbage passing through the grid baffle are reduced, and the garbage interception effect of the grid baffle 3 is improved; when the garbage is scraped and cleaned, the scraping plate 16 arranged on the scraping plate 11 extrudes the swinging parting strips 8 to make the swinging parting strips swing around the corresponding mounting rotating shafts 9 to reach a horizontal state; the swing parting strip 8 is prevented from influencing the scraping effect of the scraper 11; the first spiral spring 10 designed by the invention has the function of restoring the swing division bar 8.
As shown in fig. 4 and 6, a screw 12 is mounted on the output shaft of the motor 2 through a coupling 13, a threaded hole is formed at the upper end of the scraper 11, and the scraper 11 is mounted on the lower side of the screw 12 through the threaded hole and the thread of the screw 12 in a matching manner; the bottom surface of the sewage flow passage 1 is provided with a sliding guide groove 43 in the left-right direction, the bottom surface of the scraper 11 is fixedly provided with a sliding guide block 18, and the sliding guide block 18 is in sliding fit with the sliding guide groove 43. The sliding guide block 18 is slidably fitted in the sliding guide groove 43 to guide the sliding of the scraper 11.
As shown in fig. 11, a plurality of mounting holes 45 are uniformly formed on the outer sides of the two discharge ports 60 formed in the sewage flow channel 1.
As shown in fig. 13, the sealing baffle module 4 includes a sealing plate 61, a plurality of guide sliding rods 55, a triggering bar 56, and a second spring 57, wherein the plurality of guide sliding rods 55 are uniformly installed on two sides of the sealing plate 61, the sealing plate 61 is installed on one side of the corresponding discharging opening 60 through the sliding fit between the guide sliding rods 55 and the installation holes 45, one second spring 57 is installed between each guide sliding rod 55 and the corresponding installation hole 45, and the second spring 57 is an extension spring; two touch springs 56 are installed at one side of the sealing plate 61 close to the sewage flow path 1.
As shown in fig. 13, a gasket 54 is attached to the sealing plate 61 on the side close to the sewage flow path 1.
In the sliding scraping process of the scraper 11, when the mounting frame 14 arranged on the scraper 11 is contacted with the contact spring 56 arranged on the sealing plate 61, the contact spring 56 is pressed, so that the contact spring 56 drives the sealing plate 61 to slide, the sealing plate 61 is far away from the corresponding discharge outlet 60, and the discharge outlet 60 is opened; the rubbish that is being promoted by filtering baffle 15 can be followed the bin outlet 60 department of opening and drawn into corresponding collecting pit 6 in, and simultaneously, input gear and the meshing of rack 52, pendulum board 17 swings downwards gradually and closes, at the in-process of closing, there is partly sewage from filtering baffle 15 in the inflow collecting pit 6, at the in-process that flows in, play the impact effect to the rubbish that filtering baffle 15 promoted, guarantee that partial rubbish can get into collecting pit 6 smoothly in, can play the cleaning action to rubbish pond and bin outlet 60 department through the sewage of inflow simultaneously.
The second spring 57 plays a role in restoring the sealing plate 61, and simultaneously, after the sealing plate 61 is restored, a pulling force can be applied to the sealing plate 61 and the outer side surface of the sewage flow channel 1 through the pulling force of the second spring 57, so that the sealing performance of the sealing plate 61 on the discharge opening 60 is ensured.
One side of the mounting opening 22 formed by the scraper 11 is provided with a mounting square groove 23, a plurality of shaft holes 24 are uniformly formed between the mounting square groove 23 and the mounting opening 22 up and down, and a second rotating shaft 28 is mounted on the scraper 11 through the shaft holes 24; a seventh gear 59 is fixedly mounted at one end of each second rotating shaft 28, which is positioned in the mounting square groove 23; one side of the upper end of the scraper 11 is provided with an installation block 26, an installation groove 25 is arranged in the installation block 26, and the installation groove 25 is communicated with the installation square groove 23; the first rotating shaft 27 is rotatably installed in the installation square groove 23, a plurality of first gears 29 are sequentially and uniformly rotatably installed on the first rotating shaft 27 from top to bottom, and the first gears 29 are correspondingly matched with seventh gears 59 installed on the second rotating shaft 28 one by one; a transmission ring 36 is fixedly mounted on the upper side of each first gear 29, a second shifting block 41 is mounted on the transmission ring 36, a plurality of first shifting blocks 40 are uniformly mounted on the first rotating shaft 27 from top to bottom in sequence, and the first shifting blocks 40 are matched with the second shifting blocks 41 in a one-to-one correspondence manner; a third wrap spring 42 is mounted between drive ring 36 and first shaft 27.
As shown in fig. 7, the limiting shell 35 is fixedly installed in the installation square groove 23, the limiting block 38 is fixedly installed in the limiting shell 35, the first rotating shaft 27 is fixedly installed with a fixture block 39, and the fixture block 39 is matched with the limiting block 38; a second spiral spring 37 is installed between the first rotating shaft 27 and the limiting case 35.
As shown in fig. 7, a third gear 31 is fixedly installed at the upper end of the first rotating shaft 27, a second gear 30, a fourth gear 32 and a sixth gear 34 are coaxially and rotatably installed in the installation groove 25, and the sixth gear 34 is engaged with the third gear 31; the second gear 30 penetrates through the outer side of the mounting block 26; the fifth gear 33 is rotatably mounted on the mounting block 26, and the fifth gear 33 is meshed with the fourth gear 32, and the fifth gear 33 penetrates the outside of the mounting block 26.
The second gear 30 and the fifth gear 33 are two input gears.
In the invention, when the rack 52 drives the second gear 30 to rotate, the second gear 30 can drive the sixth gear 34 to rotate, the sixth gear 34 rotates to drive the third gear 31 to rotate, and the third gear 31 rotates to drive the first rotating shaft 27 to rotate; when the rack 52 drives the fifth gear 33 to rotate, the fifth gear 33 drives the fourth gear 32 to rotate, the fourth gear 32 rotates to drive the sixth gear 34 to rotate, the sixth gear 34 rotates to drive the third gear 31 to rotate, the third gear 31 rotates to drive the first rotating shaft 27 to rotate, when the second gear 30 and the fifth gear 33 are meshed with the rack 52, the directions in which the scraper 11 drives the second gear 30 and the fifth gear 33 to slide are different, but the rotating directions transmitted to the first rotating shaft 27 by the second gear 30 and the fifth gear 33 are the same through the transmission of the fourth gear 32.
In the process of scraping and cleaning garbage by sliding the scraper 11 towards one side, when the second gear 30 or the fifth gear 33 is meshed with the rack 52 and is driven to rotate by the rack 52, the second gear 30 and the fifth gear 33 drive the first rotating shaft 27 to rotate through transmission, when the first rotating shaft 27 is driven to rotate, the first rotating shaft 27 can stir the second shifting block 41 arranged on the transmission ring 36 to rotate around the axis of the first rotating shaft 27 through the first shifting block 40 on the first rotating shaft 27, the second shifting block 41 rotates to drive the transmission ring 36 to rotate, the transmission ring 36 rotates to drive the first gear 29 to rotate, and the first gear 29 rotates to drive the seventh gear 59 to rotate; the seventh gear 59 rotates to drive the second rotating shaft 28 to rotate, and the second rotating shaft 28 rotates to drive the swinging plate 17 to rotate.
The third scroll spring 42 designed by the invention has two functions, firstly, when the swing plate 17 is not extruded and limited in the swing process, the first shifting block 40 can be always contacted with the second shifting block 41 through the third scroll spring 42, and the first shifting block 40 can drive the second shifting block 41 to rotate; secondly, if carry rubbish between the adjacent pendulum board 17 in the pendulum board 17 swing in-process, the swing of pendulum board 17 will receive the extrusion spacingly, and first pivot 27 will drive third spiral spring 42 upper power this moment for first pivot 27 can continue to rotate, guarantees that the clearance strikes off module 5 and can withdraw from smoothly.
As shown in fig. 5, the swing plates 17 have notches 21 on both sides, and after the swing plates 17 are vertically swung, the notches 21 of two adjacent swing plates 17 are overlapped with each other in a staggered manner.
When the swinging plate 17 swings from an open state to a vertical state, the mutual limiting can be carried out through the notches 21 at the two ends of the swinging plate 17, and the mounting opening 22 in the middle of the scraper 11 is sealed; when the swing plate 17 swings from the vertical state to the open state, the latch 39 mounted on the first rotating shaft 27 contacts the stopper 38 mounted on the stopper housing 35, the stopper 38 limits the latch 39, that is, the stopper 38 limits the rotation of the first rotating shaft 27, and the stopper 38 limits the swing plate 17 and maintains the horizontal state under the action of the second spiral spring 37.
As shown in fig. 11, two discharge ports 60 formed on the sewage flow channel 1 are respectively provided with an avoiding chute 47 for avoiding the sliding of the mounting block 26, and one discharge port 60 of the two discharge ports 60 is provided with a first mounting chute 49 for mounting the rack 52 and the first spring 53 and a first sliding groove 48 for avoiding the fifth gear 33; the other discharge port 60 is provided with a second mounting chute 51 for mounting the rack 52 and the first spring 53 and a second sliding chute 50 for avoiding the second gear 30.
The specific working process is as follows: when the sewage treatment device designed by the invention is used, when garbage intercepted by the grid baffle 3 in the sewage flow channel 1 needs to be collected, the motor 2 is controlled to work, the motor 2 works to drive the screw 12 to rotate, and the screw 12 cannot rotate because the scraper 11 is in threaded fit with the screw 12, and the lower end of the scraper 11 is slidably arranged in the sewage flow channel 1 through the sliding fit of the sliding guide block 18 and the sliding guide groove 43, so that the screw 12 can drive the scraper 11 to slide towards one side through the threads; the scraper 11 slides to drive the mounting frames 14 at two sides to slide, and the mounting frames 14 drive the filtering baffle 15 to slide; after the mounting frame 14 on one side slides into the discharge opening 60 on one side, the mounting frame 14 and the scraping plate 16 firstly shield and seal the two side surfaces and the bottom surface of the discharge opening 60 on the corresponding side, after sealing, the input gear is meshed with the corresponding rack 52, and the first rotating shaft 27 is driven to rotate through transmission, when the first rotating shaft 27 is driven to rotate, the first rotating shaft 27 can stir the second shifting block 41 arranged on the transmission ring 36 through the first shifting block 40 on the first rotating shaft 27 to rotate around the axis of the first rotating shaft 27, the second shifting block 41 rotates to drive the transmission ring 36 to rotate, the transmission ring 36 rotates to drive the first gear 29 to rotate, and the first gear 29 rotates to drive the seventh gear 59 to rotate; the seventh gear 59 rotates to drive the second rotating shaft 28 to rotate, the second rotating shaft 28 rotates to drive the swinging plate 17 to swing, a channel between the swinging plate 17 and the swinging plate 17 is gradually reduced, after the installation frame 14 is contacted with the corresponding sealing baffle module 4, the installation frame 14 presses the sealing baffle module 4, so that the safety sealing baffle module 4 moves backwards, the discharge hole 60 on the corresponding side is opened, when the sealing baffle module 4 is not sealing the discharge hole 60, and the swinging plate 17 is not completely closed, a part of sewage flows into the collecting tank 6 from the filtering baffle 15, and in the flowing process, a part of garbage pushed by the filtering baffle 15 is impacted; then the cleaning scraping module 5 continues to move towards the discharge opening 60, the input gear continues to be driven by the rack 52, when the swinging plate 17 is completely closed, the input gear cannot continue to rotate, the cleaning scraping module 5 continues to push the sealing baffle to move outwards, and the input gear drives the driving rack 52 to slide and extrude the first spring 53; after the first spring 53 has been compressed to the limit, the cleaning scraper module 5 reaches the final position, and after the waste has been completely discharged, the cleaning scraper module 5 is removed from the discharge opening 60.
When the cleaning scraping module 5 is moved out of the discharge opening 60, along with the reset of the cleaning scraping module 5, namely the reset movement of the scraper 11, the first compressed spring 53 can reset firstly, the swing plate 17 is always in a vertical combined state in the resetting process, after the first spring 53 is restored to the initial compression state, the sealing plate 61 is not in contact with the outer side surface of the sewage flow channel 1, and at the moment, under the action of the rack 52, the input gear can drive the swing plate 17 to swing to be opened; a part of sewage in the sewage flow channel 1 flows into one side of the scraper 11 close to the sealing plate 61 through the opened swing plate 17, and washes the sealing plate 61 and the wall surface of the scraper 11 close to the sealing plate 61; finally, as the scraper blade 11 is returned, the sealing plate 61 seals the outlet 60 again, i.e. the sealing flap module 4 seals the outlet 60 again, and the cleaning scraper module 5 stops moving when the mounting frame 14 leaves the outlet 60.
Claims (9)
1. A sewage treatment device is characterized in that: the device comprises a motor (111111), a grid baffle, a sealing baffle module, a cleaning and scraping module and a collecting tank, wherein the grid baffle formed by arranging transverse partition plates which are uniformly distributed up and down and vertical partition plates which are uniformly distributed left and right in a front-back staggered manner is obliquely arranged in a sewage flow channel; two discharge ports are symmetrically formed in the two sides of the sewage flow channel and are positioned on the water facing side of the grid baffle; two collecting tanks are symmetrically arranged on two sides of the two discharge ports, and the bottom surfaces of the collecting tanks are provided with filtering bottom plates for filtering sewage; one side of each of the two material outlets, which is close to the corresponding collecting tank, is provided with a sealing baffle plate module in a sliding manner, and when the garbage is not scraped, the two material outlets are closed and sealed by the two sealing baffle plate modules; the cleaning scraping module is slidably arranged in the sewage flow channel and is positioned on the water facing side of the grating baffle; the motor is arranged on the upper side of the sewage flow channel, and the motor can drive the cleaning and scraping module to slide left and right in the sewage flow channel through the screw rod to scrape and clean the garbage in the sewage flow channel;
the cleaning scraping module comprises a scraping plate, an installation frame, a filtering baffle, a scraping plate and a swinging plate, wherein the scraping plate is slidably installed in the sewage flow channel, and the upper end of the scraping plate is connected with an output shaft of the motor through a screw rod; a plurality of scraping plates are uniformly and fixedly arranged on one side of the scraping plate from top to bottom, two first arc surfaces and two second arc surfaces which are symmetrically distributed are arranged on two sides of each scraping plate, and the first arc surfaces are close to the scraping plate relative to the second arc surfaces on the corresponding side; the scraping plate is in sliding fit with a gap between adjacent transverse partition plates on the water facing side on the grating baffle plate; the scraper is provided with an installation opening, a plurality of swing plates are evenly installed in the installation opening in a swinging mode from top to bottom through a plurality of second rotating shafts, the upper end of the scraper is provided with an input gear, and the input gear is driven to rotate to control all the swing plates to swing to open and close; two mounting frames are symmetrically mounted on two sides of the scraper, and one side of each mounting frame, which is far away from the scraper, is provided with a filtering baffle;
two discharge ports formed in the sewage flow channel are respectively provided with a rack in a sliding manner, and a first spring is arranged between each rack and the sewage flow channel;
when the cleaning scraping module is not driven to slide, the swinging plate is in an open state; in the process that the cleaning scraping module is driven by a motor to clean garbage in a sewage flow channel, after an installation frame on one side slides into a discharge opening on one side, the installation frame and the scraping plate can firstly shield and seal the two side surfaces and the bottom surface of the discharge opening on the corresponding side completely, an input gear is meshed with a corresponding rack after sealing, the input gear is driven to rotate, a swinging plate swings downwards gradually to close, after the installation frame is contacted with a corresponding sealing baffle plate module, the installation frame presses the sealing baffle plate module to enable the sealing baffle plate module to move backwards, and when the sealing baffle plate module is not sealing the discharge opening, the swinging plate is not closed completely; when the cleaning and scraping module continues to move towards the discharge opening, the input gear continues to be driven by the rack, after the swing plate is completely closed, the input gear cannot continue to rotate, the cleaning and scraping module continues to push the sealing baffle plate to move outwards, and the input gear drives the driving rack to slide and extrude the first spring; after first spring compression extremely limit state, the module is scraped in the clearance reaches final position, and treats that rubbish discharges into the back completely, and the module is scraped in the clearance shifts out from the bin outlet, and the sealed baffle module is sealed to the bin outlet again, and after the installation frame left the bin outlet, the module stop motion is scraped in the clearance.
2. The sewage treatment apparatus according to claim 1, wherein: a plurality of swing parting strips are respectively and uniformly installed on the transverse partition plate in the grid baffle in a swinging manner in the left-right direction through a plurality of installation rotating shafts, and the two swing parting strips which are adjacent up and down cannot interfere with each other in the swinging process; a first scroll spring is arranged between each mounting rotating shaft for mounting the swing parting strips and the corresponding transverse partition plate.
3. The sewage treatment apparatus according to claim 1, wherein: the output shaft of the motor is provided with a screw rod through a coupler, the upper end of the scraper is provided with a threaded hole, and the scraper is matched with the screw rod through the threaded hole and is arranged on the lower side of the screw rod; the bottom surface of the sewage flow channel is provided with a sliding guide groove in the left-right direction, the bottom surface of the scraper is fixedly provided with a sliding guide block, and the sliding guide block is in sliding fit with the sliding guide groove.
4. The sewage treatment apparatus according to claim 1, wherein: a plurality of mounting holes are uniformly formed in the outer sides of the two discharge ports of the sewage flow channel from top to bottom;
the sealing baffle plate module comprises a sealing plate, guide slide bars, a touch spring and a second spring, wherein a plurality of guide slide bars are uniformly arranged at the upper part and the lower part of two sides of the sealing plate, the sealing plate is arranged at one side of the corresponding discharge outlet through the sliding fit of the guide slide bars and the mounting holes, the second spring is respectively arranged between each guide slide bar and the corresponding mounting hole, and the second spring is an extension spring; two touch springs are arranged on one side of the sealing plate close to the sewage flow channel.
5. The sewage treatment apparatus according to claim 4, wherein: and a sealing gasket is arranged on one side of the sealing plate close to the sewage flow channel.
6. The sewage treatment apparatus according to claim 1, wherein: a mounting square groove is formed in one side of the mounting opening formed in the scraper, a plurality of shaft holes are uniformly formed between the mounting square groove and the mounting opening in the vertical direction, and the second rotating shaft is mounted on the scraper through the shaft holes; one end of each second rotating shaft, which is positioned in the mounting square groove, is fixedly provided with a seventh gear; one side of the upper end of the scraping plate is provided with an installation block, and an installation groove is formed in the installation block and communicated with the installation square groove; the first rotating shaft is rotatably arranged in the mounting square groove, a plurality of first gears are sequentially and uniformly rotatably arranged on the first rotating shaft from top to bottom, and the first gears are in one-to-one corresponding fit with seventh gears arranged on the second rotating shaft; a transmission ring is fixedly mounted on the upper side of each first gear, a second shifting block is mounted on the transmission ring, a plurality of first shifting blocks are uniformly mounted on the first rotating shaft from top to bottom in sequence, and the first shifting blocks are matched with the second shifting blocks in a one-to-one correspondence manner; a third scroll spring is arranged between the transmission ring and the first rotating shaft;
the limiting shell is fixedly arranged in the mounting square groove, the limiting block is fixedly arranged in the limiting shell, a clamping block is fixedly arranged on the first rotating shaft, and the clamping block is matched with the limiting block; a second volute spiral spring is arranged between the first rotating shaft and the limiting shell;
the third gear is fixedly arranged at the upper end of the first rotating shaft, the second gear, the fourth gear and the sixth gear are coaxially and rotatably arranged in the mounting groove, and the sixth gear is meshed with the third gear; the second gear penetrates out of the outer side of the mounting block; the fifth gear is rotatably arranged on the mounting block and meshed with the fourth gear, and the fifth gear penetrates out of the outer side of the mounting block;
the second gear and the fifth gear are two input gears.
7. The sewage treatment apparatus according to claim 1, wherein: the two sides of the swinging plate are provided with notches, and after the swinging plates are vertically folded, the notches on the two adjacent swinging plates are mutually staggered and superposed.
8. The sewage treatment apparatus according to claim 6, wherein: two discharge ports formed in the sewage flow channel are respectively provided with an avoidance sliding groove for avoiding the sliding of the mounting block, and one of the two discharge ports is provided with a first mounting sliding groove for mounting the rack and the first spring and a first sliding groove for avoiding the fifth gear; and a second mounting chute for mounting the rack and the first spring and a second sliding chute for avoiding the second gear are formed at the other discharge opening.
9. A sewage treatment method is characterized in that: when the sewage treatment device designed by the invention is used, when garbage intercepted by the grid baffle 3 in the sewage flow channel 1 needs to be collected, the motor 2 is controlled to work, the motor 2 works to drive the screw 12 to rotate, and the screw 12 cannot rotate because the scraper 11 is in threaded fit with the screw 12, and the lower end of the scraper 11 is slidably arranged in the sewage flow channel 1 through the sliding fit of the sliding guide block 18 and the sliding guide groove 43, so that the screw 12 can drive the scraper 11 to slide towards one side through the threads; the scraper 11 slides to drive the mounting frames 14 at two sides to slide, and the mounting frames 14 drive the filtering baffle 15 to slide; after the mounting frame 14 on one side slides into the discharge opening 60 on one side, the mounting frame 14 and the scraping plate 16 firstly shield and seal the two side surfaces and the bottom surface of the discharge opening 60 on the corresponding side, after sealing, the input gear is meshed with the corresponding rack 52, and the first rotating shaft 27 is driven to rotate through transmission, when the first rotating shaft 27 is driven to rotate, the first rotating shaft 27 can stir the second shifting block 41 arranged on the transmission ring 36 through the first shifting block 40 on the first rotating shaft 27 to rotate around the axis of the first rotating shaft 27, the second shifting block 41 rotates to drive the transmission ring 36 to rotate, the transmission ring 36 rotates to drive the first gear 29 to rotate, and the first gear 29 rotates to drive the seventh gear 59 to rotate; the seventh gear 59 rotates to drive the second rotating shaft 28 to rotate, the second rotating shaft 28 rotates to drive the swinging plate 17 to swing, a channel between the swinging plate 17 and the swinging plate 17 is gradually reduced, after the installation frame 14 is contacted with the corresponding sealing baffle module 4, the installation frame 14 presses the sealing baffle module 4, so that the safety sealing baffle module 4 moves backwards, the discharge hole 60 on the corresponding side is opened, when the sealing baffle module 4 is not sealing the discharge hole 60, and the swinging plate 17 is not completely closed, a part of sewage flows into the collecting tank 6 from the filtering baffle 15, and in the flowing process, a part of garbage pushed by the filtering baffle 15 is impacted; then the cleaning scraping module 5 continues to move towards the discharge opening 60, the input gear continues to be driven by the rack 52, when the swinging plate 17 is completely closed, the input gear cannot continue to rotate, the cleaning scraping module 5 continues to push the sealing baffle to move outwards, and the input gear drives the driving rack 52 to slide and extrude the first spring 53; after the first spring 53 is compressed to the limit state, the cleaning scraping module 5 reaches the final position, and after the garbage is completely discharged, the cleaning scraping module 5 is moved out of the discharge opening 60;
when the cleaning scraping module 5 is moved out of the discharge opening 60, along with the reset of the cleaning scraping module 5, namely the reset movement of the scraper 11, the first compressed spring 53 can reset firstly, the swing plate 17 is always in a vertical combined state in the resetting process, after the first spring 53 is restored to the initial compression state, the sealing plate 61 is not in contact with the outer side surface of the sewage flow channel 1, and at the moment, under the action of the rack 52, the input gear can drive the swing plate 17 to swing to be opened; a part of sewage in the sewage flow channel 1 flows into one side of the scraper 11 close to the sealing plate 61 through the opened swing plate 17, and washes the sealing plate 61 and the wall surface of the scraper 11 close to the sealing plate 61; finally, as the scraper blade 11 is returned, the sealing plate 61 seals the outlet 60 again, i.e. the sealing flap module 4 seals the outlet 60 again, and the cleaning scraper module 5 stops moving when the mounting frame 14 leaves the outlet 60.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110072414.5A CN112587996A (en) | 2021-01-20 | 2021-01-20 | Sewage treatment device and sewage treatment method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110072414.5A CN112587996A (en) | 2021-01-20 | 2021-01-20 | Sewage treatment device and sewage treatment method |
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| CN112587996A true CN112587996A (en) | 2021-04-02 |
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| CN202110072414.5A Withdrawn CN112587996A (en) | 2021-01-20 | 2021-01-20 | Sewage treatment device and sewage treatment method |
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| CN (1) | CN112587996A (en) |
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| CN113202177A (en) * | 2021-05-06 | 2021-08-03 | 江西三江精密针车有限公司 | A drainage subassembly that is used for easy clearance difficult jam of bathroom |
| CN113842697A (en) * | 2021-09-10 | 2021-12-28 | 陈剑豪 | Sand-water separation device for pretreatment of sewage pumping station |
| CN114259772A (en) * | 2022-01-13 | 2022-04-01 | 景德镇陶瓷大学 | Multicolor ceramic mosaic glaze slurry filtering device |
| CN115974307A (en) * | 2022-12-12 | 2023-04-18 | 北京联创智成自动化技术服务有限公司 | Landfill leachate pretreatment with self-draining function and treatment method applying landfill leachate pretreatment |
| CN118128005A (en) * | 2024-05-07 | 2024-06-04 | 江苏舜维环境工程有限公司 | Water environment pollution prevention and treatment partition system and application method thereof |
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Application publication date: 20210402 |