CN111643935A - Sewage treatment device - Google Patents
Sewage treatment device Download PDFInfo
- Publication number
- CN111643935A CN111643935A CN202010545865.1A CN202010545865A CN111643935A CN 111643935 A CN111643935 A CN 111643935A CN 202010545865 A CN202010545865 A CN 202010545865A CN 111643935 A CN111643935 A CN 111643935A
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- frame
- positioning
- sewage treatment
- toothed plate
- fixedly connected
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- 239000010865 sewage Substances 0.000 title claims abstract description 23
- 238000009434 installation Methods 0.000 claims abstract description 32
- 230000000670 limiting effect Effects 0.000 claims description 6
- 239000010802 sludge Substances 0.000 abstract description 16
- 238000007790 scraping Methods 0.000 abstract description 5
- 238000004140 cleaning Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/18—Construction of the scrapers or the driving mechanisms for settling tanks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/245—Discharge mechanisms for the sediments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/30—Control equipment
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention relates to the technical field of sewage treatment, and discloses a sewage treatment device suitable for village and town areas, which comprises a treatment tank, wherein a collection tank is communicated with the center of the bottom of the treatment tank, a support frame is arranged at the center of the top of the treatment tank, a servo motor is arranged at the top of the support frame, a gear is coaxially and fixedly connected to the output end of the bottom of the support frame, a first toothed plate and a second toothed plate are symmetrically engaged and connected to the two sides of the gear, an installation frame is obliquely connected to one side close to two positioning seats, a placing groove is symmetrically arranged at the top of the installation frame, an electric telescopic rod is fixedly connected to the inside of the placing groove, and the other sides of the two first sliding blocks are connected to a scraping plate through an adjusting device; the invention not only ensures the operation of pushing and scraping the sludge, but also protects the scraper plate and the sludge removing plate, thereby prolonging the service life of the device.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a sewage treatment device suitable for village and town areas.
Background
Along with the rapid development of economy in China and the continuous improvement of the living standard of people, the domestic sewage discharge of villages and small towns in China is gradually increased, the sewage needs to be treated before being discharged, the downward settling velocity of silt particles in water flow is greater than the downward flow velocity of the water flow, or the downward settling time is less than the time of the water flow flowing out of a settling pond, so that the sludge, fine sand and the like are separated from the water flow, further the sewage is purified, in the prior art, equipment for pushing and scraping the sludge at the bottom of the settling pond is arranged underwater, the equipment is very easy to corrode, and the equipment is very inconvenient to maintain, the difficulty is increased for maintenance, and the service life of the equipment is shortened. Therefore, a sewage treatment device suitable for villages and small towns is provided.
Disclosure of Invention
The invention aims to provide a sewage treatment device suitable for village and town areas, which has the advantages of quickly pushing and scraping sludge and effectively protecting a scraper and solves the problem that the scraper is in water conservancy for a long time in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a sewage treatment device suitable for villages and small towns areas comprises a treatment tank, wherein a collection tank is communicated with the center of the bottom of the treatment tank, the length of the treatment tank is larger than that of the collection tank, a supporting frame is arranged at the center of the top of the treatment tank, a servo motor is arranged at the top of the supporting frame, the output end of the servo motor extends to the bottom of the supporting frame, a gear is coaxially and fixedly connected with the output end of the bottom of the supporting frame, a first toothed plate and a second toothed plate are symmetrically meshed and connected with the two sides of the gear, one ends, far away from each other, of the first toothed plate and the second toothed plate are connected with positioning seats through positioning frames, the two positioning seats are all connected inside the treatment tank in a sliding manner, two mounting frames are obliquely connected on one sides, close to the positioning seats, the tops of the mounting frames are all symmetrically provided with placing grooves, and electric telescopic, the one end of electric telescopic handle all is connected with first slider, two the opposite side of first slider all connects on the scraper blade through adjusting device, the one end fixedly connected with desilting board that the installation frame was kept away from to the scraper blade, the bottom of desilting board and the bottom surface in the treatment tank are tangent.
Preferably, the locating rack is V-shaped, the bottoms of the two ends of the locating rack are respectively and vertically provided with a connecting rod, and the bottoms of the two connecting rods are respectively and vertically connected to the two ends of the top of the locating seat on one side.
Preferably, the two ends of the positioning seat are fixedly connected with second sliding blocks, strip-shaped sliding grooves are formed in the positions, corresponding to the inner wall of the treatment pool, and the second sliding blocks are connected in the strip-shaped sliding grooves in the corresponding positions in a sliding mode.
Preferably, the mounting frame is connected with the mounting panel in the one end slope that is close to the positioning seat, mounting panel and positioning seat top level set up, just carry out fixed connection through a plurality of bolts between mounting panel and the positioning seat.
Preferably, adjusting device includes two first U type seats, two first U type seat is connected perpendicularly respectively at the top of two first sliders, the top symmetry of scraper blade is equipped with two second U type seats, two be the rectangle distribution between second U type seat and two first U type seats, correspond position department rotate through the second pivot between first U type seat, the second U type seat and be connected with the push rod, just the symmetry is equipped with the riser on the scraper blade is close the lateral wall of installation frame, the installation frame corresponds position department and is equipped with third U type seat, corresponds position department rotate through first pivot between third U type seat, the riser and connects.
Preferably, adjusting device includes the rectangle opening, the rectangle opening is seted up in the installation frame and is close the one end of scraper blade, just the rectangle opening sets up with the bottom intercommunication of two standing grooves respectively, the one end sliding connection of scraper blade is in the rectangle opening, and two the equal fixed connection in top of scraper blade in bottom of first slider.
Preferably, the scraper blade upper end is equipped with a plurality of through-holes, braced frame is connected through a plurality of montants and the top of handling the pond, the bottom four corners fixedly connected with base in the pond of handling.
Preferably, the first toothed plate and the second toothed plate are fixedly connected with limiting plates at ends far away from the positioning frame.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, through the matched connection among the electric telescopic rod, the scraper blade, the servo motor, the first toothed plate, the second toothed plate and the gear, the problem of short service life of the sludge cleaning device in the prior art is solved, the sludge cleaning device has the advantages of simple operation and effective protection of the cleaning device, the sludge removing plate can be controlled to push and scrape the sludge on the inner bottom surface of the treatment tank through the pushing of the servo motor, the scraper blade can be moved into and out of the treatment tank through the driving of the electric telescopic rod, the normal operation of pushing and scraping the sludge is ensured, the scraper blade and the sludge removing plate are protected, and the service life of the device is further prolonged.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram according to a first embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2;
FIG. 4 is a schematic structural diagram according to a second embodiment of the present invention;
fig. 5 is a connection diagram of the servo motor, the first toothed plate and the second toothed plate;
fig. 6 is a view of the connection of a rectangular opening and mounting frame of the present invention.
In the figure: 1. a placement groove; 2. a mounting frame; 3. an electric telescopic rod; 4. a first slider; 5. a support frame; 6. a vertical rod; 7. a first toothed plate; 8. a servo motor; 9. a second toothed plate; 10. a strip-shaped chute; 11. a bolt; 12. mounting a plate; 13. a positioning frame; 14. a connecting rod; 15. a treatment tank; 16. a base; 17. a collection tank; 18. a squeegee; 19. a mud removing plate; 20. positioning seats; 21. a second slider; 22. a through hole; 23. a first U-shaped seat; 24. a push rod; 25. a second U-shaped seat; 26. a limiting plate; 27. a gear; 28. a rectangular opening; 29. a vertical plate; 30. a third U-shaped; 31. a first rotating shaft; 32. a second rotating shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, a sewage treatment device suitable for villages and small towns comprises a treatment tank 15, wherein a collection tank 17 is communicated with the center of the bottom of the treatment tank 15, the length of the treatment tank 15 is larger than that of the collection tank 17, and the width of the collection tank 17 is equal to that of the treatment tank 15, so that sludge in the treatment tank 15 can be completely moved into the collection tank 17.
Handle the top center in pond 15 and be equipped with braced frame 5, braced frame 5's top is equipped with servo motor 8, servo motor 8's output extends to braced frame 5's bottom, be located coaxial fixedly connected with gear 27 on the output of braced frame 5 bottom, gear 27's bilateral symmetry meshing is connected with first pinion rack 7, second pinion rack 9, servo motor 8 carries out electric connection through wire and switch, the steerable servo motor 8 of switch carries out reciprocal operation, servo motor 8 can drive gear 27 that the output is connected and carry out reciprocal rotation, and then can drive the first pinion rack 7 of both sides, carry out reverse removal between the second pinion rack 9.
The one end of electric telescopic handle 3 all is connected with first slider 4, and the opposite side of two first sliders 4 all connects on scraper blade 18 through adjusting device, and scraper blade 18 keeps away from one of installation frame 2 and serves fixedly connected with desilting board 19, and the bottom of desilting board 19 is the inclined plane, and the inclined plane is tangent with the interior bottom surface of handling pond 15, and under the impetus of scraper blade 18, the lower extreme that can make desilting board 19 pushes away the interior bottom surface of handling pond 15 fast simultaneously and scrapes.
Further, locating rack 13 is the V type, and the both ends bottom of locating rack 13 all is equipped with connecting rod 14 perpendicularly, the top both ends at one side positioning seat 20 are connected perpendicularly respectively to the bottom of two connecting rods 14, at first pinion rack 7, when second pinion rack 9 removes, can be through locating rack 13, connecting rod 14's drive, make two positioning seats 20 slide in processing 15 insides of pond, two gliding positioning seats 20 can drive two except that mud board 19 removes to collecting pit 17 department, can promote the inside of collecting pit 17 with the mud on the bottom surface in processing 15 and collect.
Further, the equal fixedly connected with second slider 21 in both ends of positioning seat 20, the corresponding position department of processing pond 15 inner wall is equipped with bar spout 10, and second slider 21 sliding connection is connected in the bar spout 10 that corresponds position department, through the cooperation between second slider 21 and the bar spout 10 and is connected, has guaranteed that positioning seat 20 can carry out stable slip on processing pond 15 inner wall when being promoted, and then has guaranteed the normal use of device.
Further, the installation frame 2 is close to the one end slope of positioning seat 20 and is connected with mounting panel 12, mounting panel 12 and the setting of the 20 top levels of positioning seat, contained angle between mounting panel 12 and the installation frame 2 is greater than 90 degrees and is less than 135 degrees, and carry out fixed connection through a plurality of bolts 11 between mounting panel 12 and the positioning seat 20, positioning effect through bolt 11 and mounting panel 12, installation and dismantlement between installation frame 2 and the positioning seat 20 have been made things convenient for, also made things convenient for simultaneously to maintain and repair installation frame 2.
The first embodiment is as follows: the adjusting device comprises two first U-shaped seats 23, the two first U-shaped seats 23 are respectively and vertically connected to the tops of two first sliding blocks 4, two second U-shaped seats 25 are symmetrically arranged on the top of the scraper 18, the two second U-shaped seats 25 and the two first U-shaped seats 23 are distributed in a rectangular shape, push rods 24 are rotatably connected between the first U-shaped seats 23 and the second U-shaped seats 25 at corresponding positions through second rotating shafts 32, vertical plates 29 are symmetrically arranged on the side wall, close to the installation frame 2, of the scraper 18, third U-shaped seats 30 are arranged at corresponding positions of the installation frame 2, the third U-shaped seats 30 and the vertical plates 29 at corresponding positions are rotatably connected through first rotating shafts 31, the scraper 18 and the installation frame 2 can be rotatably operated through the connection of the push rods 24, and the angle between the scraper 18 and the installation frame 2 can be adjusted through the pushing of the electric telescopic rod 3, the extension and retraction of the scraper 18 are realized, and the scraper 18 is well protected.
When the device is used, the device is electrically connected with a municipal power supply device through a lead, two electric telescopic rods 3 are controlled to move simultaneously through a switch, the first sliding block 4 is pushed to slide in the placing groove 1 by the movement of the electric telescopic rods 3, so that the push rod 24 connected with the top of the first sliding block 4 pushes the second U-shaped seat 25, the scraper 18 and the mounting frame 2 can be driven to rotate under the action of the pushing force, the electric telescopic rods 3 stop working when the first sliding block 4 moves to the end part of the placing groove 1, at the moment, the scraper 18 and the mounting frame 2 are horizontally placed, the bottom of the mud removing plate 19 is tangent to the inner bottom surface of the treatment pool 15, the servo motor 8 is controlled to rotate again by the switch, the rotating servo motor 8 drives the gear 27 to rotate, and the rotating gear 27 can drive the first toothed plate 7 and the second toothed plate 9 which are connected in a meshing manner to reversely move, the movable first toothed plate 7 and the second toothed plate 9 can drive the positioning seat 20 to move under the combined action of the positioning frame 13 and the connecting rod 14, the positioning seat 20 further drives the installation frame 2 to push the scraper 18, the sludge removing plate 19 at the bottom of the scraper 18 can push the sludge on the inner bottom surface of the treatment tank 15 into the collection tank 17, after cleaning is completed, the servo motor 8 is controlled to reversely rotate through the switch, the first toothed plate 7 and the second toothed plate 9 can be restored to the initial positions through the gear 27, the movable first toothed plate 7 and the second toothed plate 9 can drive the installation frame 2 to be restored to the initial positions, the electric telescopic rod 3 is controlled to move through the switch again, the first sliding block 4 is driven to restore to the initial positions, the movable first sliding block 4 can drive the push rod 24 to pull the scraper 18 to rotate, so that the included angle between the scraper 18 and the installation frame 2 is gradually reduced, at this time, the scraper 18 can carry the mud removing plate 19 to move out of the sewage, and the mud removing plate 19 and the scraper 18 are protected.
Example two: adjusting device includes rectangle opening 28, rectangle opening 28 sets up in the one end that installation frame 2 is close to scraper blade 18, and rectangle opening 28 sets up with the bottom intercommunication of two standing groove 1 respectively, the one end sliding connection of scraper blade 18 is in rectangle opening 28, and the equal fixed connection in the top of scraper blade 18 in the bottom of two first slider 4, through the rectangle opening 28 that sets up, can realize the slip of scraper blade 18 in installation frame 2, and the bottom intercommunication setting of the top of rectangle opening 28 and standing groove 1, the spacing of first slider 4 to scraper blade 18 has been realized, the normal placing of scraper blade 18 has been guaranteed.
When the device is used, the device is electrically connected with a municipal power supply device through a lead, the two electric telescopic rods 3 are controlled to move through a switch, the electric telescopic rods 3 move to push the first sliding block 4 to slide in the placing groove 1, the bottom of the first sliding block 4 is connected with the top of the scraper 18, the first sliding block 4 can drive the scraper 18 to move, the electric telescopic rods 3 are controlled to stop working after the first sliding block 4 moves to one end, away from the positioning seat 20, of the placing groove 1, the mud removing plate 19 at the bottom of the scraper 18 is tangent to the inner bottom surface of the treatment pool 15, the switch is controlled again to enable the servo motor 8 to rotate, the rotating servo motor 8 drives the gear 27 to rotate, the rotating gear 27 can drive the first toothed plate 7 and the second toothed plate 9 which are connected in a meshing manner to move reversely, and the first toothed plate 7 and the second toothed plate 9 which move can be arranged on the positioning frame 13, Under the combined action of the connecting rod 14, the positioning seat 20 can be driven to move, the positioning seat 20 further drives the installation frame 2 to push the scraper 18, the sludge removing plate 19 at the bottom of the scraper 18 can push the sludge on the bottom surface in the treatment tank 15 into the collection tank 17, after the cleaning is finished, the servo motor 8 is controlled to rotate reversely through the switch, namely, the first toothed plate 7 and the second toothed plate 9 can be restored to the initial positions through the gear 27, the movable first toothed plate 7 and the second toothed plate 9 can drive the mounting frame 2 to be restored to the initial positions, and the switch controls the electric telescopic rod 3 to move again, so as to drive the first sliding block 4 to return to the initial position, the moving first sliding block 4 can drive the scraper 18 to move to the inside of the mounting frame 2, the scraper 18 and the mud removing plate 19 can be moved out of the sewage, and the mud removing plate 19 and the scraper 18 are protected.
Further, 18 upper ends of scraper blade are equipped with a plurality of through-holes 22, braced frame 5 is connected through a plurality of montants 6 and the top of handling pond 15, the bottom four corners department fixedly connected with base 16 of handling pond 15, through-hole 22 through setting up can reduce the resistance that scraper blade 18 received when aquatic is removed, and the diameter of through-hole 22 all is less than 1 centimetre, and then avoided mud to flow away from through-hole 22, guaranteed the clear normal clear going who scrapes mud that pushes away, montant 6 set up and improved braced frame 5 and handling the stability of connecting at 15 tops of pond, the setting of base 16 has improved the stability of handling the installation of pond 15.
Further, the first toothed plate 7 and the second toothed plate 9 are far away from the limiting plate 26 fixedly connected to the one end of the positioning frame 13, and due to the limiting effect of the limiting plate 26, the first toothed plate 7, the second toothed plate 9 and the gear 27 can be effectively prevented from falling off from each other, so that the normal work of the first toothed plate 7 and the second toothed plate 9 is guaranteed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A sewage treatment plant suitable for villages and small towns district, includes treatment tank (15), its characterized in that: the collecting tank (17) is communicated with the center of the bottom of the processing tank (15), the length of the processing tank (15) is larger than that of the collecting tank (17), the supporting frame (5) is arranged at the center of the top of the processing tank (15), the servo motor (8) is arranged at the top of the supporting frame (5), the output end of the servo motor (8) extends to the bottom of the supporting frame (5), a gear (27) is coaxially and fixedly connected to the output end of the bottom of the supporting frame (5), a first toothed plate (7) and a second toothed plate (9) are symmetrically meshed with each other at two sides of the gear (27), one ends, far away from each other, of the first toothed plate (7) and the second toothed plate (9) are connected with a positioning seat (20) through a positioning frame (13), the two positioning seats (20) are slidably connected inside the processing tank (15), and an installation frame (2) is obliquely connected to one close side of the two positioning seats (20), the equal symmetry in top of installation frame (2) is equipped with standing groove (1), inside equal fixedly connected with electric telescopic handle (3) of standing groove (1), the one end of electric telescopic handle (3) all is connected with first slider (4), two the opposite side of first slider (4) all connects on scraper blade (18) through adjusting device, one of installation frame (2) is kept away from in scraper blade (18) serves fixedly connected with except that mud board (19), except that the bottom of mud board (19) and handle pond (15) bottom surface tangent.
2. The sewage treatment plant suitable for villages and small towns areas according to claim 1, wherein: the positioning frame (13) is V-shaped, the bottoms of the two ends of the positioning frame (13) are respectively and vertically provided with a connecting rod (14), and the bottoms of the two connecting rods (14) are respectively and vertically connected to the two ends of the top of the positioning seat (20) on one side.
3. The sewage treatment plant suitable for villages and small towns areas according to claim 1, wherein: the two ends of the positioning seat (20) are fixedly connected with second sliding blocks (21), strip-shaped sliding grooves (10) are formed in positions corresponding to the inner wall of the processing pool (15), and the second sliding blocks (21) are connected in the strip-shaped sliding grooves (10) corresponding to the positions in a sliding mode.
4. The sewage treatment plant suitable for villages and small towns areas according to claim 1, wherein: the one end slope that installation frame (2) are close positioning seat (20) is connected with mounting panel (12), mounting panel (12) and positioning seat (20) top level set up, just carry out fixed connection through a plurality of bolts (11) between mounting panel (12) and positioning seat (20).
5. The sewage treatment plant suitable for villages and small towns areas according to claim 1, wherein: adjusting device includes two first U type seats (23), two first U type seat (23) are connected perpendicularly respectively at the top of two first sliders (4), the top symmetry of scraper blade (18) is equipped with two second U type seats (25), two be the rectangle distribution between second U type seat (25) and two first U type seats (23), correspond position department rotate through second pivot (32) between first U type seat (23), second U type seat (25) and be connected with push rod (24), just scraper blade (18) are close to and are equipped with riser (29) on the lateral wall of installation frame (2), installation frame (2) correspond position department and are equipped with third U type seat (30), correspond position department rotate through first pivot (31) between third U type seat (30), riser (29) and connect.
6. The sewage treatment plant suitable for villages and small towns areas according to claim 1, wherein: the adjusting device comprises a rectangular opening (28), wherein the rectangular opening (28) is formed in one end, close to the scraper (18), of the mounting frame (2), the rectangular opening (28) is communicated with the bottoms of the two placing grooves (1) respectively, one end of the scraper (18) is connected into the rectangular opening (28) in a sliding mode, and the bottoms of the first sliding blocks (4) are fixedly connected to the top of the scraper (18).
7. The sewage treatment plant suitable for villages and small towns areas according to claim 1, wherein: scraper blade (18) upper end is equipped with a plurality of through-holes (22), braced frame (5) are connected through the top of a plurality of montants (6) and processing pond (15), handle bottom four corners department fixedly connected with base (16) in pond (15).
8. The sewage treatment plant suitable for villages and small towns areas according to claim 1, wherein: and limiting plates (26) are fixedly connected to the ends, far away from the positioning frame (13), of the first toothed plate (7) and the second toothed plate (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010545865.1A CN111643935B (en) | 2020-06-16 | 2020-06-16 | Sewage treatment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010545865.1A CN111643935B (en) | 2020-06-16 | 2020-06-16 | Sewage treatment device |
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| CN111643935A true CN111643935A (en) | 2020-09-11 |
| CN111643935B CN111643935B (en) | 2023-11-03 |
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| CN202010545865.1A Active CN111643935B (en) | 2020-06-16 | 2020-06-16 | Sewage treatment device |
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| CN210444596U (en) * | 2019-07-03 | 2020-05-01 | 刘长林 | Double-deck flexible circuit board processingequipment |
| CN110371012A (en) * | 2019-08-13 | 2019-10-25 | 江西长淮汽车有限公司 | Trailer with automatic hanging cover folding and unfolding function |
| CN110773480A (en) * | 2019-11-19 | 2020-02-11 | 湖北中烟工业有限责任公司 | Deslagging scraper device of oven return roller |
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