CN110917718A - Energy-saving and environment-friendly urban sewage treatment recycling device - Google Patents
Energy-saving and environment-friendly urban sewage treatment recycling device Download PDFInfo
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- CN110917718A CN110917718A CN201911332163.9A CN201911332163A CN110917718A CN 110917718 A CN110917718 A CN 110917718A CN 201911332163 A CN201911332163 A CN 201911332163A CN 110917718 A CN110917718 A CN 110917718A
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- sedimentation tank
- filtering
- sewage
- motor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/04—Combinations of filters with settling tanks
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Abstract
The invention discloses an energy-saving and environment-friendly urban sewage treatment and recycling device, which comprises a sedimentation tank, wherein the sedimentation tank is circular, one side of the sedimentation tank is provided with a semicircular sewage collecting platform, one side of the sedimentation tank is provided with a filter wall, the top end of the filter wall is connected with a water inlet pipe through a first support, and one end of the water inlet pipe is positioned above the sedimentation tank; the sewage purification device firstly realizes the coarse filtration through the sedimentation of the sewage in the sedimentation tank and the coarse filtration of the coarse filtration cylinder, thereby realizing the preliminary sewage purification, and the sewage falling in the coarse filtration cylinder can be treated after rotating to the sewage collection platform under the action of the waterproof motor; then, the sewage rapidly passes through the fine filtering device under the action of the water pump, and the residual sewage is gathered near the fine filtering device and then conveyed to the upper surface of the filtering wall under the action of the packing auger for centralized treatment; and then the sewage enters the centrifugal purification device for centrifugal purification again, and finally the thorough purification of the sewage is realized.
Description
Technical Field
The invention relates to the field of sewage treatment, in particular to an energy-saving and environment-friendly urban sewage treatment and recycling device.
Background
The sewage is polluted water, which is divided into a plurality of types, some of which are polluted by chemical substances, and some of which are sewage mixed with non-chemical substances;
the city is the environment that people live in, and the sewage in the city is different from the sewage that industrial production produced, and the sewage in the city contains mostly the thing that life used, article such as plastic bag, water-jug, toilet paper, screw and leaf mix wherein, also have certainly that filths such as domestic sewage mix wherein, because the filth in the sewage is more, can take place to block when carrying out the sewage coarse filtration, or when not settling for a while and full, the inside long time in the sedimentation tank probably rotten, makes sewage more dirty, all in all, current sewage treatment is efficient, and the purification degree is also not high.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems of low sewage treatment efficiency and low purification degree in the prior art, the invention aims to provide an energy-saving and environment-friendly urban sewage treatment and recycling device which can realize high sewage treatment efficiency and high purification degree.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
The utility model provides an energy-concerving and environment-protective municipal sewage treatment recycles device, includes the sedimentation tank, the sedimentation tank be circular, one side is provided with semicircular filth collection platform, one side is provided with the filter wall, the filter wall top pass through first leg joint inlet tube, the one end of inlet tube be located the sedimentation tank top.
Preferably, the bottom surface of the sedimentation tank is round and inclined, the high part is connected with the sewage collection platform, the low part is connected with the filter wall, the middle part of the bottom surface of the sedimentation tank is provided with a motor groove, a waterproof motor is arranged in the motor groove, the middle part of the surface of the sedimentation tank is provided with a rotating disc, and the middle part of the lower surface of the rotating disc is fixedly connected with a rotating shaft of the waterproof motor;
the side surface of the rotating disc is provided with a plurality of connecting grooves, a plurality of sector plates are arranged around the rotating disc, connecting blocks matched with the connecting grooves are arranged on the side surfaces, close to the rotating disc, of the sector plates, and the rotating disc is connected with the sector plates through the connecting grooves and the connecting blocks;
a coarse filter cartridge is arranged at the edge of the upper surface of the sector plate; the upper part of the coarse filter cylinder is opposite to one end of the water inlet pipe.
Preferably, the surface of the sedimentation tank on the lower surface of the rotating disc is provided with a ball groove, a rotating ball is arranged in the ball groove, and the lower surface of the sector plate is connected with a plurality of universal wheels.
Preferably, a plurality of filtering channels are formed in the filtering wall, a fine filtering device is arranged in each filtering channel, a water pump is arranged in the filtering channel at one end, far away from the sedimentation tank, of each fine filtering device, and the water pump is electrically connected with a power supply;
a vertical sewage channel is formed in the filter wall, an auger is arranged in the sewage channel, the upper surface of the filter wall is fixedly connected with a motor through a second support, the motor is electrically connected with a power supply, a rotating shaft of the motor is fixedly connected with the top end of the auger, the side surface of the auger is tightly attached to the inner wall of the sewage channel, the bottom end of the auger is positioned on one side of the fine filter device, which is far away from the water pump, and is contacted with the fine filter device, the side surface of the auger, which is contacted with the fine filter device, is provided with a brush, and the auger is contacted with the fine;
one end of the filtering channel is communicated with the sedimentation tank, and the other end of the filtering channel is connected with one end of the water purifying pipe.
Preferably, the centrifugal water purifier further comprises a centrifugal purification device, a purified water cavity is formed in the centrifugal purification device, a dirt cavity is formed in one side of the purified water cavity, a ladder-shaped filtering disc with a large upper part and a small lower part is arranged in the purified water cavity, the edge of the top end of the filtering disc is connected with an edge ring, a filtering motor is arranged in the purified water cavity, the filtering motor is electrically connected with a power supply, and the filtering motor is fixedly connected with the middle position of the bottom of the filtering disc;
the edge ring is far away from the edge of the filtering disc and extends to the top end of the dirt cavity, the upper top surface inside the dirt cavity is connected with the top edge of the rubber scraper, and the bottom edge of the rubber scraper is contacted with the upper surface of the edge ring;
the upper part of the centrifugal purification device is connected with the other end of the water purification pipe, the other end of the water purification pipe is positioned above the middle of the filtering disc, and the bottom of the water purification cavity is connected with a recycling pipe; the filtering disc is formed by covering a metal separation net on the surface of the immobilized microorganism plate.
Preferably, the surface of the sedimentation tank around the sector plate is fixedly connected with a limiting ring, the side surface of the sector plate close to the limiting ring is connected with a roller, and the roller is in surface contact with the limiting ring.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that: the sewage purification device firstly realizes the coarse filtration through the sedimentation of the sewage in the sedimentation tank and the coarse filtration of the coarse filtration cylinder, thereby realizing the preliminary sewage purification, and the sewage falling in the coarse filtration cylinder can be treated after rotating to the sewage collection platform under the action of the waterproof motor; then, the sewage rapidly passes through the fine filtering device under the action of the water pump, and the residual sewage is gathered near the fine filtering device and then conveyed to the upper surface of the filtering wall under the action of the packing auger for centralized treatment; and then the sewage enters the centrifugal purification device for centrifugal purification again, and finally the thorough purification of the sewage is realized.
Drawings
FIG. 1 is a top view of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;
FIG. 3 is a schematic view showing the structure of the connection between the rotating disk and the sector plate according to the present invention;
FIG. 4 is an enlarged view of the invention at B of FIG. 2;
FIG. 5 is an enlarged view of FIG. 2 at C;
FIG. 6 is a schematic structural view of the centrifugal cleaning apparatus of the present invention;
FIG. 7 is a cross-sectional view taken at D-D of FIG. 6 in accordance with the present invention;
FIG. 8 is a cross-sectional view taken at E of FIG. 2 in accordance with the present invention.
The reference numbers in the figures illustrate:
1. a sedimentation tank; 2. a dirt collection platform; 3. a filter wall; 4. a first bracket; 5. a water inlet pipe; 6. a waterproof motor; 7. rotating the disc; 8. connecting grooves; 9. a sector plate; 10. connecting blocks; 11. a coarse filter cartridge; 12. a ball groove; 13. rotating the ball; 14. a universal wheel; 15. a filtration channel; 16. a fine filtration device; 17. a water pump; 18. a dirt passage; 19. a packing auger; 20. a second bracket; 21. a motor; 22. a water purifying pipe; 23. a centrifugal purification device; 24. a water purifying cavity; 25. a dirt chamber; 26. a filter disc; 27. an edge ring; 28. a filter motor; 29. a recycling pipe; 30. a limiting ring; 31. and a roller.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; rather than all embodiments. Based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
Example 1:
referring to fig. 1-8, an energy-saving and environment-friendly municipal sewage treatment recycling device comprises a sedimentation tank 1, wherein the sedimentation tank 1 is circular, a semicircular sewage collection platform 2 is arranged on one side of the sedimentation tank, a filter wall 3 is arranged on one side of the sedimentation tank, the top end of the filter wall 3 is connected with a water inlet pipe 5 through a first support 4, and one end of the water inlet pipe 5 is positioned above the sedimentation tank 1.
The bottom surface of the sedimentation tank 1 is round and inclined, the high part is connected with the sewage collection platform 2, the low part is connected with the filter wall 3, the middle part of the bottom surface of the sedimentation tank 1 is provided with a motor groove, a waterproof motor 6 is arranged in the motor groove, the middle part of the surface of the sedimentation tank 1 is provided with a rotating disc 7, and the middle part of the lower surface of the rotating disc 7 is fixedly connected with a rotating shaft of the waterproof motor 6;
the side surface of the rotating disc 7 is provided with a plurality of connecting grooves 8, a plurality of sector plates 9 are arranged around the rotating disc 7, connecting blocks 10 matched with the connecting grooves 8 are arranged on the side surfaces, close to the rotating disc 7, of the sector plates 9, and the rotating disc 7 is connected with the sector plates 9 through the connecting grooves 8 and the connecting blocks 10;
a coarse filter cartridge 11 is arranged at the edge of the upper surface of the sector plate 9; the upper part of the coarse filter cylinder 11 is opposite to one end of the water inlet pipe 5.
Compared with a traditional sedimentation tank, the sedimentation tank disclosed by the patent is inclined, then the rotating disc 7 is driven to rotate through the work of the waterproof motor 6, and further the sector plates 9 connected with the rotating disc 7 are driven to rotate together, the rotating disc 7 is small round, and the rotating disc and the sector plates 9 form a large round together;
in the rotating process of the coarse filter cartridge 11 on the fan-shaped plate 9, when the sewage flows below the water inlet pipe 5, the sewage with dirt flowing out of the water inlet pipe can fall into the coarse filter cartridge 11, then the sewage can flow out of the sedimentation tank 1, the dirt is remained in the coarse filter cartridge 11, the coarse filtration of the sewage is realized by the method, then the dirt is precipitated again in the sedimentation tank, the precipitated smaller dirt is collected at the bottom end of the sedimentation tank, and the cleaning is also convenient;
under the rotation action of a waterproof motor, a coarse filter cylinder 11 filled with dirt is driven by a sector plate 9 to gradually approach a dirt collecting platform 2, then the sector plate 9 is manually dragged to be taken down from the sector plate 9, then the sector plate 9 of the upper coarse filter cylinder 11 is replaced, and the coarse filter cylinder 11 filled with dirt is dragged away and then the dirt in the coarse filter cylinder is cleaned;
in practical situations, the rotation speed of the waterproof motor is determined according to the amount of dirt in the municipal sewage, and assuming that the rotation speed of the waterproof motor needs 10 hours for one rotation and 10 fan-shaped plates 9 connected with the side surface of the rotating disc 7, the stay time of the coarse filter cartridge 11 on each fan-shaped plate 9 below the water inlet pipe 5 is 1 hour on average, if the 1 hour coarse filter cartridge 11 can be filled with the proper amount of dirt, the rotation speed of the waterproof motor is reduced again, and if the amount is too large, the rotation speed of the waterproof motor is increased.
Example 2:
as shown in fig. 4, a ball groove 12 is formed on the surface of the sedimentation tank 1 on the lower surface of the rotating disc 7, a rotating ball 13 is arranged in the ball groove 12, and a plurality of universal wheels 14 are connected to the lower surface of the sector plate 9.
In order to make the rotating disc 7 rotate more smoothly, a ball groove 12 is arranged below the rotating disc, and a rotating ball 13 is arranged in the ball groove 12;
in order to make the sector plate 9 move and rotate more smoothly by the rotating disk 7, a universal wheel is connected below the sector plate.
Example 3:
as shown in fig. 5, a plurality of filtering channels 15 are formed in the filtering wall 3, a fine filtering device 16 is arranged in each filtering channel 15, a water pump 17 is arranged in each filtering channel 15 at one end of each fine filtering device 16 far away from the sedimentation tank 1, and each water pump 17 is electrically connected with a power supply;
a vertical dirt channel 18 is formed in the filter wall 3, an auger 19 is arranged in the dirt channel 18, the upper surface of the filter wall 3 is fixedly connected with a motor 21 through a second support 20, the motor 21 is electrically connected with a power supply, a rotating shaft of the motor 21 is fixedly connected with the top end of the auger 19, the side surface of the auger 19 is tightly attached to the inner wall of the dirt channel 18, the bottom end of the auger 19 is positioned on one side of the fine filter device 16, which is far away from the water pump 17, and is contacted with the fine filter device 16, a brush is arranged on the side surface of the auger 19, which is contacted with the fine filter device 16, and the auger 19 is contacted with;
one end of the filtering channel 15 is communicated with the sedimentation tank 1, and the other end is connected with one end of a purified water pipe 22.
Although the dirt is left in the coarse filter cylinder 11 or is precipitated in the sedimentation tank, the fish with a net leakage, such as leaves, feathers and the like, can still float; in addition, sewage on the surface of the sedimentation tank needs to be finely filtered through the fine filtering device 16, and dirt can be gathered near the fine filtering device 16, so that a dirt channel 18 is formed above one side of the fine filtering device 16, the dirt is continuously and spirally upwards carried out by the auger and is taken out of the filtering wall 3, a plurality of water draining holes are formed in an auger page of the auger, the sewage which rotates upwards can be left in the water draining holes, the water content of the dirt conveyed upwards is reduced, and in addition, a brush is arranged on the side surface of the auger 19 and is contacted with the fine filtering device 16, so that the fine filtering device 16 can be continuously cleaned, and the high-efficiency purification efficiency can be continuously kept;
the speed of the sewage passing through the fine filtering device 16 is increased by the action of the water pump, so that the overall sewage purification efficiency is increased;
example 4:
as shown in fig. 6 and 7, the centrifugal cleaning device 23 is further included, a water cleaning cavity 24 is formed in the centrifugal cleaning device 23, a dirt cavity 25 is formed in one side of the water cleaning cavity 24, a trapezoidal filtering disc 26 with a large upper part and a small lower part is arranged in the water cleaning cavity 24, an edge ring 27 is connected to the top end edge of the filtering disc 26, a filtering motor 28 is arranged in the water cleaning cavity 24, the filtering motor 28 is electrically connected with a power supply, and the filtering motor 28 is fixedly connected with the middle position of the bottom of the filtering disc 26;
the edge ring 27 extends to the top end of the dirt cavity 25 away from the edge of the filter disc 26, the top surface inside the dirt cavity 25 is connected with the top edge of the rubber scraper 28, and the bottom edge of the rubber scraper 28 is contacted with the upper surface of the edge ring 27;
the upper part of the centrifugal purification device 23 is connected with the other end of the water purification pipe 22, the other end of the water purification pipe 22 is positioned above the middle of the filtering disc 26, and the bottom of the water purification cavity 24 is connected with a reuse pipe 29; the filter disc 26 consists of a metal screen covering the surface of the immobilized microorganism plate.
There may be things that the coarse and fine filter device can not filter in the municipal sewage, so make sewage pass through the immobilized microorganism board fast here through centrifugal purification device 23 and purify here, in addition remaining filth in the sewage can be from top to bottom under centrifugal force effect gradually, and then to edge ring 27 upper surface, then enter into in the filth chamber 25 under the effect of rubber scraper 28, and sewage falls to clean water chamber 24 after purifying in, then realizes recycling through recycling pipe 29.
Example 5:
as shown in fig. 8, a limiting ring 30 is fixedly connected to the surface of the sedimentation tank 1 around the sector plate 9, a roller 31 is connected to the side surface of the sector plate 9 close to the limiting ring 30, and the roller 31 is in surface contact with the limiting ring 30.
When the sector plate 9 moves to the lowest end of the sedimentation tank, the sector plate may be separated from the rotating disc 7 under the action of gravity, so that here, the limiting ring 30 is fixedly connected to the surface of the sedimentation tank 1 around the sector plate 9, the side surface of the sector plate 9 close to the limiting ring 30 is connected with the roller 31, the roller 31 is in surface contact with the limiting ring 30, and therefore the sector plate 9 is prevented from moving through the limiting ring 30, and the connecting block 10 is always located in the connecting groove 8.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (6)
1. The utility model provides an energy-concerving and environment-protective municipal sewage treatment recycles device which characterized in that: including sedimentation tank (1), sedimentation tank (1) be circular, one side is provided with semicircular filth collection platform (2), one side is provided with filter wall (3), filter wall (3) top connect inlet tube (5) through first support (4), the one end of inlet tube (5) be located sedimentation tank (1) top.
2. The energy-saving and environment-friendly municipal sewage treatment and recycling device according to claim 1, characterized in that: the bottom surface of the sedimentation tank (1) is round and inclined, the high part is connected with the sewage collection platform (2), the low part is connected with the filter wall (3), the middle part of the bottom surface of the sedimentation tank (1) is provided with a motor groove, a waterproof motor (6) is arranged in the motor groove, the middle part of the surface of the sedimentation tank (1) is provided with a rotating disc (7), and the middle part of the lower surface of the rotating disc (7) is fixedly connected with a rotating shaft of the waterproof motor (6);
the side surface of the rotating disc (7) is provided with a plurality of connecting grooves (8), a plurality of sector plates (9) are arranged around the rotating disc (7), the side surface of each sector plate (9) close to the rotating disc (7) is provided with a connecting block (10) matched with the connecting groove (8), and the rotating disc (7) is connected with the sector plates (9) through the connecting grooves (8) and the connecting blocks (10);
a coarse filter cylinder (11) is arranged at the edge of the upper surface of the sector plate (9); the upper part of the coarse filter cartridge (11) is opposite to one end of the water inlet pipe (5).
3. The energy-saving and environment-friendly municipal sewage treatment and recycling device according to claim 2, characterized in that: the surface of the sedimentation tank (1) on the lower surface of the rotating disc (7) is provided with a ball groove (12), a rotating ball (13) is arranged in the ball groove (12), and the lower surface of the sector plate (9) is connected with a plurality of universal wheels (14).
4. The energy-saving and environment-friendly municipal sewage treatment and recycling device according to claim 1, characterized in that: a plurality of filtering channels (15) are formed in the filtering wall (3), a fine filtering device (16) is arranged in each filtering channel (15), a water pump (17) is arranged in each filtering channel (15) at one end, far away from the sedimentation tank (1), of each fine filtering device (16), and each water pump (17) is electrically connected with a power supply;
the filter wall is characterized in that a vertical dirt channel (18) is formed in the filter wall (3), an auger (19) is arranged in the dirt channel (18), the upper surface of the filter wall (3) is fixedly connected with a motor (21) through a second support (20), the motor (21) is electrically connected with a power supply, a rotating shaft of the motor (21) is fixedly connected with the top end of the auger (19), the side surface of the auger (19) is tightly attached to the inner wall of the dirt channel (18), the bottom end of the auger (19) is positioned on one side, away from the water pump (17), of the fine filter device (16) and is in contact with the fine filter device (16), a brush is arranged on the side surface of the auger (19) in contact with the fine filter device (16), and the auger (19) is in contact with the fine filter device (16);
one end of the filtering channel (15) is communicated with the sedimentation tank (1), and the other end is connected with one end of the water purifying pipe (22).
5. The energy-saving and environment-friendly municipal sewage treatment and recycling device according to claim 4, wherein: the water purifier is characterized by further comprising a centrifugal purifying device (23), a water purifying cavity (24) is formed in the centrifugal purifying device (23), a dirt cavity (25) is formed in one side of the water purifying cavity (24), a ladder-shaped filtering disc (26) with a large upper part and a small lower part is arranged in the water purifying cavity (24), the top end edge of the filtering disc (26) is connected with an edge ring (27), a filtering motor (28) is arranged in the water purifying cavity (24), the filtering motor (28) is electrically connected with a power supply, and the filtering motor (28) is fixedly connected with the middle position of the bottom of the filtering disc (26);
the edge ring (27) is far away from the edge of the filter disc (26) and extends to the top end of the dirt cavity (25), the top edge of a rubber scraper (28) is connected to the upper top surface inside the dirt cavity (25), and the bottom edge of the rubber scraper (28) is contacted with the upper surface of the edge ring (27);
the upper part of the centrifugal purification device (23) is connected with the other end of the water purification pipe (22), the other end of the water purification pipe (22) is positioned above the middle of the filtering disc (26), and the bottom of the water purification cavity (24) is connected with a recycling pipe (29); the filtering disc (26) is formed by covering a metal separation net on the surface of the immobilized microorganism plate.
6. The energy-saving and environment-friendly municipal sewage treatment and recycling device according to any one of claims 2 to 5, characterized in that: the sedimentation tank (1) fixed surface all around of sector plate (9) be connected with spacing ring (30), sector plate (9) be close to the side of spacing ring (30) and be connected with gyro wheel (31), gyro wheel (31) and spacing ring (30) surface contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911332163.9A CN110917718A (en) | 2019-12-21 | 2019-12-21 | Energy-saving and environment-friendly urban sewage treatment recycling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911332163.9A CN110917718A (en) | 2019-12-21 | 2019-12-21 | Energy-saving and environment-friendly urban sewage treatment recycling device |
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| Publication Number | Publication Date |
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| CN110917718A true CN110917718A (en) | 2020-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911332163.9A Withdrawn CN110917718A (en) | 2019-12-21 | 2019-12-21 | Energy-saving and environment-friendly urban sewage treatment recycling device |
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| Country | Link |
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| CN (1) | CN110917718A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111946613A (en) * | 2020-08-25 | 2020-11-17 | 扬州大学 | Design method of micro disc pump based on laminar boundary layer and rotating magnetic field |
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| US6432298B1 (en) * | 1999-04-05 | 2002-08-13 | Joseph R. Carvalko, Jr. | Purifier for separating liquids and solids |
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| CN108211447A (en) * | 2018-01-12 | 2018-06-29 | 苏州仁尔必思电子科技有限公司 | A kind of industrial sewage disposal device |
| CN108793616A (en) * | 2018-07-18 | 2018-11-13 | 王泽义 | A kind of filtering of water pollution and purifier |
| CN208161109U (en) * | 2017-11-30 | 2018-11-30 | 诸暨益通网络科技有限公司 | A kind of small ship type sedimentation tank device for treating sewage |
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2019
- 2019-12-21 CN CN201911332163.9A patent/CN110917718A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6432298B1 (en) * | 1999-04-05 | 2002-08-13 | Joseph R. Carvalko, Jr. | Purifier for separating liquids and solids |
| CN102600657A (en) * | 2010-12-06 | 2012-07-25 | 张鑫珩 | Drum microfiltration machine |
| CN106966551A (en) * | 2017-05-05 | 2017-07-21 | 合肥蔚然花绿化工程有限公司 | A kind of multi-stage biological filtering settling pond |
| CN207142941U (en) * | 2017-07-03 | 2018-03-27 | 张家港市佑达建设工程有限公司 | A kind of construction site sewage-treatment plant |
| CN208161109U (en) * | 2017-11-30 | 2018-11-30 | 诸暨益通网络科技有限公司 | A kind of small ship type sedimentation tank device for treating sewage |
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| CN111946613A (en) * | 2020-08-25 | 2020-11-17 | 扬州大学 | Design method of micro disc pump based on laminar boundary layer and rotating magnetic field |
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