CN113830882A - Sedimentation tank structure for treating domestic garbage sewage - Google Patents
Sedimentation tank structure for treating domestic garbage sewage Download PDFInfo
- Publication number
- CN113830882A CN113830882A CN202111299845.1A CN202111299845A CN113830882A CN 113830882 A CN113830882 A CN 113830882A CN 202111299845 A CN202111299845 A CN 202111299845A CN 113830882 A CN113830882 A CN 113830882A
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- Prior art keywords
- sedimentation tank
- hammer
- drainage
- guide plate
- crushing
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- 238000004062 sedimentation Methods 0.000 title claims abstract description 68
- 239000010865 sewage Substances 0.000 title claims abstract description 39
- 238000001914 filtration Methods 0.000 claims abstract description 23
- 230000006835 compression Effects 0.000 claims abstract description 17
- 238000007906 compression Methods 0.000 claims abstract description 17
- 239000010791 domestic waste Substances 0.000 claims description 20
- 238000000746 purification Methods 0.000 claims description 18
- 239000000945 filler Substances 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 3
- 241000251131 Sphyrna Species 0.000 claims 2
- 238000004140 cleaning Methods 0.000 abstract description 6
- 239000013049 sediment Substances 0.000 abstract description 4
- 239000012535 impurity Substances 0.000 description 20
- 230000000694 effects Effects 0.000 description 16
- 238000011282 treatment Methods 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 230000001360 synchronised effect Effects 0.000 description 4
- 239000012528 membrane Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010009 beating Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000011221 initial treatment Methods 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
Abstract
The invention discloses a sedimentation basin structure for treating domestic garbage sewage, which comprises a sedimentation basin with a conical inner bottom, wherein a drainage grid is arranged on the side wall of the sedimentation basin, the outside of the drainage grid is connected with a filtering net cover through a first compression spring, a plurality of drainage plates are arranged in the drainage grid, the tops of the drainage plates are connected with worm gears, a worm meshed with each worm gear is arranged above the drainage grid, and one end of each worm is connected with a stepping motor; the bottom of the sedimentation tank is connected with a guide plate through a third compression spring, and the bottom of the guide plate is provided with a crushing mechanism; the sedimentation tank is internally rotatably connected with a driving rod, the driving rod is connected with a worm through a linkage mechanism, and a first vibrating hammer of a filter screen cover and a second vibrating hammer of a hammering guide plate are rotatably matched and arranged on the driving rod. The invention has the characteristics of convenient cleaning of the filtering equipment and improvement of the discharge efficiency of the sediment.
Description
Technical Field
The invention relates to a sewage treatment mechanism, in particular to a sedimentation tank structure for treating domestic garbage sewage.
Background
At present, many districts all can set up domestic sewage treatment system, communicate each family through a plurality of pipelines, then in the unified large-scale treatment pond of carrying, deposit and the preliminary treatment after filtering the domestic sewage that produces after, carry special treatment center again and carry out advanced treatment. In the sedimentation tank for primarily treating residential domestic sewage in the prior art, the precipitated water flow is usually discharged after being filtered once, and the filter screen is arranged in the tank, so that the cleaning is troublesome, substances blocked on the filter screen cannot be cleaned in time, and after a long time, more adhesive substances influence the filtering effect, so that the water flow is blocked, sewage overflows, and can emit stink, thereby causing environmental pollution and inconvenience in daily life of people; in addition, the existing sedimentation tank generally can not crush impurities, and a large amount of large-volume precipitates influence the discharge efficiency. Therefore, the sedimentation tank structure in the existing sewage treatment has the problems of inconvenient cleaning of the filtering equipment and low sediment discharge efficiency.
Disclosure of Invention
The invention aims to provide a sedimentation tank structure for treating domestic garbage sewage. The invention has the characteristics of convenient cleaning of the filtering equipment and improvement of the discharge efficiency of the sediment.
The technical scheme of the invention is as follows: a sedimentation basin structure for treating domestic garbage sewage comprises a sedimentation basin with a conical inner bottom, wherein a drainage grid is arranged on the side wall of the sedimentation basin, a filtering net cover is connected to the side wall of the sedimentation basin through a first compression spring and covers the outside of the drainage grid, a plurality of drainage plates are arranged in the drainage grid, the tops of the drainage plates are connected with worm gears through rotating shafts, worms meshed with the worm gears are arranged above the drainage grids, and one end of each worm is connected with a stepping motor; the bottom of the sedimentation tank is connected with a guide plate through a third compression spring, and the bottom of the guide plate is provided with a crushing mechanism; the sedimentation tank is internally rotatably connected with a driving rod, the driving rod is connected with a worm through a linkage mechanism, and a first vibrating hammer of a filter screen cover and a second vibrating hammer of a hammering guide plate are rotatably matched and arranged on the driving rod.
In the aforesaid a sedimentation tank structure for handling domestic waste sewage, link gear is including rotating the driving roller of connection in the pool wall of sedimentation tank, and the driving roller passes through hold-in range A to be connected with the worm, and the driving roller passes through hold-in range B to be connected with the actuating lever.
In the sedimentation tank structure for treating domestic waste sewage, the lateral part of the filter screen cover extends into the tank wall of the sedimentation tank and is movably connected with the tank wall, and a sealing part is arranged between the lateral part of the filter screen cover and the tank wall of the sedimentation tank.
In the sedimentation tank structure for treating domestic waste sewage, the front side surface of the drainage plate is connected with the purification net frame through the second compression spring, and the purification net frame is internally provided with the fixed filler.
In the aforesaid a sedimentation tank structure for handling domestic waste sewage, rubbing crusher constructs including setting up the fixing base in the bottom of guide plate, is equipped with driving motor in the fixing base, is connected with the driving gear on driving motor's the output shaft, and the bottom of driving gear is equipped with first crushing tooth, and the bottom of fixing base is located the periphery of driving gear and is equipped with broken sword.
In the sedimentation tank structure for treating domestic waste sewage, the driven gear engaged with the driving gear is arranged at the periphery of the driving gear at the bottom of the fixing seat, and the second crushing teeth are arranged at the bottom of the driven gear.
In the sedimentation tank structure for treating domestic waste sewage, the size of the crushing cutter is larger than that of the second crushing teeth, and the size of the second crushing teeth is larger than that of the first crushing teeth.
In the sedimentation tank structure for treating domestic waste sewage, the guide plate is high in the middle and low in the periphery.
In the aforesaid a sedimentation tank structure for handling domestic waste sewage, first rapping hammer and second rapping hammer all include the hammer stem of being connected with the actuating lever, and the outer end of hammer stem is equipped with the tup, and the second rapping hammer's tup hammering point is corresponding with the highest point of guide plate.
In the sedimentation tank structure for treating domestic waste sewage, the hammer rod is provided with the through hole.
Compared with the prior art, the reciprocating-rotating drainage plate is arranged in the sedimentation tank, the drainage grid is opened and closed back and forth, and the settled clean water forms an intermittent drainage form, so that the water body can be more fully treated in the subsequent purification, and convenience is brought to the subsequent sewage treatment; through the tooth is smashed to the first crushing tooth in sedimentation tank bottom and cooperation pivoted second, smashes the impurity of deposit in the bottom, and crushing scope is big, utilizes centrifugal force, smashes impurity repeatedly, improves crushing effect greatly.
In addition, utilize first beating hammer and the second of shaking to beat the hammer swing back and forth, carry out the hammering to filtering screen panel and guide plate respectively, when first beating hammer hammering filtering screen panel that shakes, filter the screen panel and receive the vibration, make and be attached to being blocked on filtering the screen panel and intercept the thing vibration and break away from, it is clean convenient, guarantee the filtering quality who filters the screen panel, when the second shakes and beats hammer hammering guide plate, crushing sword, the tooth is smashed to the second and first smashes the tooth and moves down, go deep into the extrusion more, broken impurity, the crushing effect to impurity is improved, be convenient for impurity discharge.
Furthermore, when the filter screen cover is compressed, the filter screen cover is extruded to the purification screen frame, the purification screen frame is driven to vibrate, the treatment surface of the filler in the purification screen frame is changed, the use efficiency and the purification efficiency of the filler are improved, and meanwhile, some aged biological films on the filler can fall off from the filler, so that the water treatment effect is improved.
Therefore, the invention has the characteristics of convenient cleaning of the filtering equipment and improvement of the sediment discharge efficiency.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the connection structure of the filtering net cover and the drainage grille;
FIG. 3 is a schematic view of the construction of a drainage grid;
FIG. 4 is a schematic view of the structure of a purification screen frame;
fig. 5 is a schematic view of the structure of the crushing mechanism.
The labels in the figures are: 1. a sedimentation tank; 11. a first compression spring; 12. a filtering net cover; 13. a seal member; 2. a drainage grid; 21. a drain plate; 22. a second compression spring; 23. purifying the screen frame; 24. fixing the filler; 25. a rotating shaft; 26. a worm gear; 27. a worm; 271. a synchronous belt A; 272. a driving roller; 273. a synchronous belt B; 28. a stepping motor; 3. a third compression spring; 31. a baffle; 32. a fixed seat; 33. a drive motor; 34. a driving gear; 35. a first crushing tooth; 36. a crushing knife; 37. a driven gear; 38. a second crushing tooth; 4. a drive rod; 41. a first rapping hammer; 42. a second rapping hammer; 43. a hammer lever; 44. a hammer head; 45. and a through hole.
Detailed Description
The invention is further illustrated by the following figures and examples, which are not to be construed as limiting the invention.
Examples are given.
As shown in fig. 1-5, a sedimentation tank structure for treating domestic waste sewage comprises a sedimentation tank 1 with a conical inner bottom, a drainage grid 2 is arranged on the side wall of the sedimentation tank 1, a filtering net cover 12 is connected to the side wall of the sedimentation tank 1 through a first compression spring 11, the filtering net cover 12 covers the outside of the drainage grid 2, a plurality of drainage plates 21 are arranged in the drainage grid 2, the tops of the drainage plates 21 are connected with worm gears 26 through rotating shafts 25, a worm 27 meshed with each worm gear 26 is arranged above the drainage grid 2, and one end of the worm 27 is connected with a stepping motor 28; the bottom of the sedimentation tank 1 is connected with a guide plate 31 through a third compression spring 3, and the bottom of the guide plate 31 is provided with a crushing mechanism; the sedimentation tank 1 is rotationally connected with a driving rod 4, the driving rod 4 is connected with the worm 27 through a linkage mechanism, and a first rapping hammer 41 of the hammering filter screen cover 12 and a second rapping hammer 42 of the hammering guide plate 31 are arranged on the driving rod 4 in a rotation fit mode.
The link gear includes the driving roller 272 of rotating connection in the pool wall of sedimentation tank 1, and driving roller 272 passes through hold-in range A271 and is connected with worm 27, and driving roller 272 passes through hold-in range B273 and is connected with actuating lever 4. When the worm 27 is driven by the stepping motor 28 to rotate, the driving roller 272 is driven to rotate by the synchronous belt a271, and the driving roller 272 drives the driving rod 4 to rotate by the synchronous belt B273.
The side part of the filter screen 12 extends into the wall of the sedimentation tank 1 and is movably connected with the wall of the sedimentation tank, and a sealing part 13 is arranged between the side part of the filter screen 12 and the wall of the sedimentation tank 1. The filtering net cover 12 is structurally arranged to filter sewage completely and prevent water flow from entering the wall of the sedimentation tank 1.
The front side surface of the drainage plate 21 is connected with a purification net frame 23 through a second compression spring 22, and a fixed filler 24 is arranged in the purification net frame 23. A microbial film is formed on the fixed filler 24 to purify the sewage.
The crushing mechanism comprises a fixed seat 32 arranged at the bottom of the guide plate 31, a driving motor 33 is arranged in the fixed seat 32, a driving gear 34 is connected to an output shaft of the driving motor 33, a first crushing tooth 35 is arranged at the bottom of the driving gear 34, and crushing knives 36 are arranged on the periphery of the driving gear 34 at the bottom of the fixed seat 32. Through the setting of crushing sword 36 for fixing base 32 when moving down under the effect of second rapping hammer 42, can be earlier broken bulky thing, then receive the crushing of first crushing tooth 35 again through broken bulky impurity, alleviate the crushing pressure of first crushing tooth 35, improve whole crushing efficiency.
The bottom of the fixed seat 32 is provided with a driven gear 37 which is arranged on the periphery of the driving gear 34 and is meshed with the driving gear 34, and the bottom of the driven gear 37 is provided with a second crushing tooth 38. Utilize the second to smash the first tooth 35 of smashing of tooth 38 cooperation, enlarge crushing scope, and the second is smashed the tooth 38 when rotatory, because the effect of centrifugal force, can take first tooth 35 and broken sword 36 department of smashing with the impurity after smashing, first tooth 35 of smashing also can be because the effect of centrifugal force, take impurity to the second and smash tooth 38 and broken sword 36 department, thereby make broken sword 36, first tooth 35 of smashing and the second smash tooth 38 and cooperate and make a round trip to smash impurity, smash evenly, fully, high-usage, avoid impurity part to pile up.
The crushing blade 36 has a size larger than that of the second crushing tooth 38, and the second crushing tooth 38 has a size larger than that of the first crushing tooth 35. The large-size crushing knife 36 firstly performs primary crushing on impurities under the action of the second rapping hammer 42, then further crushing is performed through the second crushing teeth 38, and finally fine crushing is performed through the first crushing teeth 35, so that the crushing effect is better.
The guide plate 31 is high in the middle and low in the periphery. The baffle 31 is structured to facilitate the impurities falling into the crushing blades 36 and the first and second crushing teeth 35 and 38 for disposal.
The first rapping hammer 41 and the second rapping hammer 42 both comprise a hammer rod 43 connected with the driving rod 4, a hammer head 44 is arranged at the outer end of the hammer rod 43, and a hammer head 44 of the second rapping hammer 42 corresponds to the highest point of the guide plate 31.
The hammer rod 43 is provided with a through hole 45. The through hole 45 provided in the hammer lever 43 can reduce the resistance of the water flow when the hammer lever 43 swings.
The bottom of the sedimentation tank 1 is provided with a sewage discharge outlet, and the sewage discharge outlet is provided with a valve.
The working process is as follows: discharging sewage into a sedimentation tank 1, settling impurities in the sewage, allowing the impurities to fall into the bottom of the sedimentation tank after sedimentation, filtering clear water on the upper layer by a filter screen 12, performing primary treatment by a biological membrane on a fixed filler 24 in a purification screen frame 23, and discharging the clear water through a drainage grid 2 for subsequent water treatment; the purification screen frame 23 is connected with the drainage plate 21 through the second compression spring 22, so that the impact force of water flow can be reduced, and the drainage plate 21 is more stable in the unfolding process.
During water drainage, the worm 27 is driven by the stepping motor 28 to rotate back and forth, so that the worm wheel 26 meshed with the worm is driven to rotate back and forth, the drainage plate 21 rotates back and forth, the drainage grille 2 is unfolded and closed, an intermittent drainage mode is formed, the drainage quantity at one time is small, the water body can be more fully treated in the subsequent purification, and the treatment effect is improved;
in addition, worm 27 still is connected with actuating lever 4 through link gear, worm 27 still drives actuating lever 4 swing back and forth when making a round trip to rotate, thereby drive first rapping hammer 41 and second rapping hammer 42 swing back and forth, first rapping hammer 41 and second rapping hammer 42 distribute in an alternating manner on actuating lever 4, in the swing in-process, carry out crisscross hammering to filtering screen panel 12 and guide plate 31 respectively, when the opening of drainage grid 2 is opened to drain bar 21, second rapping hammer 42 hammering guide plate 31 shakes, when the opening of drainage grid 2 is closed to drain bar 21, first rapping hammer 41 hammers filtering screen panel 12.
When the first rapping hammer 41 hammers the filter screen 12, the filter screen 12 is vibrated, so that intercepted objects attached to the filter screen 12 are vibrated and separated, the cleaning is convenient, the filtering performance of the filter screen 12 is ensured, meanwhile, the filter screen 12 compresses the first compression spring 11 inwards and extrudes to the purification screen frame 23 to drive the purification screen frame 23 to vibrate, the treatment surface of the filler in the purification screen frame 23 is changed, the treatment efficiency of the biological membrane is improved, and meanwhile, some aged biological membranes on the filler can fall off from the filler, so that the water treatment effect is improved;
impurity that falls into the bottom of the pool is through guide plate 31's direction, with broken sword 36, tooth 38 and the contact of first crushing tooth 35 are smashed to the second, broken sword 36 receives the second and shakes and beats hammer 42's vibration drive and third compression spring 3's answer effect down and reciprocate, carry out preliminary breakage to impurity, driving motor 33 drives first crushing tooth 35 round rotation simultaneously, and utilize driving gear 34's meshing effect, it rotates to drive peripheral driven gear 37, thereby it rotates to drive second crushing tooth 38, make the impurity of handling through broken sword 36 smash tooth 38 further through the second again, it is first crushing tooth 35 fine crushing finally, and shake and beat hammer 42's effect and centrifugal force effect down and reciprocate and smash impurity repeatedly under the effect, crushing effect is better, be convenient for impurity discharge.
Claims (10)
1. The utility model provides a sedimentation tank structure for handling domestic waste sewage which characterized in that: the sedimentation tank comprises a sedimentation tank (1) with a conical inner bottom, wherein a drainage grid (2) is arranged on the side wall of the sedimentation tank (1), a filtering net cover (12) is connected to the side wall of the sedimentation tank (1) through a first compression spring (11), the filtering net cover (12) covers the outside of the drainage grid (2), a plurality of drainage plates (21) are arranged in the drainage grid (2), the tops of the drainage plates (21) are connected with worm wheels (26) through rotating shafts (25), worms (27) meshed with the worm wheels (26) are arranged above the drainage grid (2), and one ends of the worms (27) are connected with stepping motors (28); the bottom of the sedimentation tank (1) is connected with a guide plate (31) through a third compression spring (3), and the bottom of the guide plate (31) is provided with a crushing mechanism; the sedimentation tank (1) is connected with a driving rod (4) in a rotating mode, the driving rod (4) is connected with a worm (27) through a linkage mechanism, and a first vibrating hammer (41) and a second vibrating hammer (42) of a hammering guide plate (31) are arranged on the driving rod (4) and are matched with each other in a rotating mode to hammer the filter screen cover (12).
2. The sedimentation tank structure for treating domestic waste sewage according to claim 1, wherein: the link gear includes driving roller (272) of rotation connection in the pool wall of sedimentation tank (1), and driving roller (272) are connected with worm (27) through hold-in range A (271), and driving roller (272) are connected with actuating lever (4) through hold-in range B (273).
3. The sedimentation tank structure for treating domestic waste sewage according to claim 1, wherein: the side part of the filter screen (12) extends into the wall of the sedimentation tank (1) and is movably connected with the wall of the sedimentation tank, and a sealing element (13) is arranged between the side part of the filter screen (12) and the wall of the sedimentation tank (1).
4. The sedimentation tank structure for treating domestic waste sewage according to claim 1, wherein: the front side surface of the drainage plate (21) is connected with a purification net frame (23) through a second compression spring (22), and a fixed filler (24) is arranged in the purification net frame (23).
5. The sedimentation tank structure for treating domestic waste sewage according to claim 1, wherein: crushing mechanism is equipped with driving motor (33) including setting up fixing base (32) in the bottom of guide plate (31) in fixing base (32), is connected with driving gear (34) on the output shaft of driving motor (33), and the bottom of driving gear (34) is equipped with first crushing tooth (35), and the periphery that the bottom of fixing base (32) is located driving gear (34) is equipped with broken sword (36).
6. The sedimentation tank structure for treating domestic waste sewage according to claim 5, wherein: the bottom of the fixed seat (32) is provided with a driven gear (37) which is positioned on the periphery of the driving gear (34) and is meshed with the driving gear (34), and the bottom of the driven gear (37) is provided with second crushing teeth (38).
7. The sedimentation tank structure for treating domestic waste sewage according to claim 6, wherein: the size of the crushing knife (36) is larger than that of the second crushing tooth (38), and the size of the second crushing tooth (38) is larger than that of the first crushing tooth (35).
8. The sedimentation tank structure for treating domestic waste sewage according to claim 1, wherein: the guide plate (31) is high in the middle and low in the periphery.
9. The sedimentation tank structure for treating domestic waste sewage according to claim 8, wherein: the first rapping hammer (41) and the second rapping hammer (42) both comprise hammer rods (43) connected with the driving rod (4), hammer heads (44) are arranged at the outer ends of the hammer rods (43), and the hammer heads (44) of the second rapping hammer (42) are corresponding to the highest point of the guide plate (31).
10. The sedimentation tank structure for treating domestic waste sewage according to claim 9, wherein: the hammer rod (43) is provided with a through hole (45).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111299845.1A CN113830882B (en) | 2021-11-04 | 2021-11-04 | Sedimentation tank structure for treating domestic garbage sewage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111299845.1A CN113830882B (en) | 2021-11-04 | 2021-11-04 | Sedimentation tank structure for treating domestic garbage sewage |
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| Publication Number | Publication Date |
|---|---|
| CN113830882A true CN113830882A (en) | 2021-12-24 |
| CN113830882B CN113830882B (en) | 2023-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111299845.1A Active CN113830882B (en) | 2021-11-04 | 2021-11-04 | Sedimentation tank structure for treating domestic garbage sewage |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0592109A (en) * | 1991-01-25 | 1993-04-16 | Martinez Musica Fernando | Method for filtering liquid containing suspended particles |
| CA2114241A1 (en) * | 1994-01-25 | 1995-07-26 | Chin-Ching Yen | Garbage Disposal System |
| CN203079738U (en) * | 2012-12-18 | 2013-07-24 | 安徽丰原淮海制药有限公司 | Biological contact oxidation tank |
| CN104129884A (en) * | 2014-06-26 | 2014-11-05 | 河海大学常州校区 | Intermittent ecological purification pool suitable for farmland drainage ditch |
| CN105198172A (en) * | 2015-10-30 | 2015-12-30 | 山东航凯船舶科技有限公司 | Horizontal internal filtering type domestic sewage treatment device for ships |
| CN210935134U (en) * | 2019-10-25 | 2020-07-07 | 安徽省华银茶油有限公司 | Broken hammering machine of tea cake dregs of rice |
| CN211999021U (en) * | 2020-04-16 | 2020-11-24 | 安徽川鼎水处理设备有限公司 | High-efficiency aerobic biological aeration tank |
-
2021
- 2021-11-04 CN CN202111299845.1A patent/CN113830882B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0592109A (en) * | 1991-01-25 | 1993-04-16 | Martinez Musica Fernando | Method for filtering liquid containing suspended particles |
| CA2114241A1 (en) * | 1994-01-25 | 1995-07-26 | Chin-Ching Yen | Garbage Disposal System |
| CN203079738U (en) * | 2012-12-18 | 2013-07-24 | 安徽丰原淮海制药有限公司 | Biological contact oxidation tank |
| CN104129884A (en) * | 2014-06-26 | 2014-11-05 | 河海大学常州校区 | Intermittent ecological purification pool suitable for farmland drainage ditch |
| CN105198172A (en) * | 2015-10-30 | 2015-12-30 | 山东航凯船舶科技有限公司 | Horizontal internal filtering type domestic sewage treatment device for ships |
| CN210935134U (en) * | 2019-10-25 | 2020-07-07 | 安徽省华银茶油有限公司 | Broken hammering machine of tea cake dregs of rice |
| CN211999021U (en) * | 2020-04-16 | 2020-11-24 | 安徽川鼎水处理设备有限公司 | High-efficiency aerobic biological aeration tank |
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|---|---|
| CN113830882B (en) | 2023-10-31 |
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