CN107954512A - A kind of aeration tank for preventing secondary pollution - Google Patents
A kind of aeration tank for preventing secondary pollution Download PDFInfo
- Publication number
- CN107954512A CN107954512A CN201711196169.9A CN201711196169A CN107954512A CN 107954512 A CN107954512 A CN 107954512A CN 201711196169 A CN201711196169 A CN 201711196169A CN 107954512 A CN107954512 A CN 107954512A
- Authority
- CN
- China
- Prior art keywords
- pond body
- shaft
- type frame
- door type
- secondary pollution
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005273 aeration Methods 0.000 title claims abstract description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 7
- 210000001624 Hip Anatomy 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000010865 sewage Substances 0.000 description 14
- 230000000694 effects Effects 0.000 description 10
- 238000001914 filtration Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 239000010802 sludge Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002906 microbiologic Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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
- C02F3/02—Aerobic processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
-
- 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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/06—Polluted air
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The invention discloses a kind of aeration tank for preventing secondary pollution, including pond body, door type frame, aeration board, air blower and inlet plenum；The door type frame is arranged on the top of pond body, and the top center of door type frame is fixed with installing plate, disk is rotatablely equipped with front side of installing plate, disk is connected with cross bar；The bottom centre position of the cross bar is connected with shaft, and the axis body periphery that shaft is located in pond body is connected with paddle and helical blade, and paddle is located at the top of helical blade；The aeration board is arranged on the intracavity bottom of pond body；The air outlet and air inlet of the air blower connect air outlet pipe and air inlet pipe respectively；The inlet plenum is the box-structure of left side opening, and the right side of inlet plenum is connected with air inlet pipe, is bonded on the internal chamber wall of inlet plenum and is provided with strainer.The present invention can effectively improve aeration efficiency；At the same time by setting inlet plenum, source of the gas is filtered, avoids causing secondary pollution.
Description
Technical field
The present invention relates to a kind of aeration tank, is specifically a kind of aeration tank for preventing secondary pollution.
Background technology
Aeration tank is a kind of device that sewage disposal is carried out using activated sludge process, when certain sewage stop is provided in pond
Between, meet the mixing condition that the required oxygen amount of aerobic microbiological and sewage come into full contact with activated sludge.Aeration tank is main
It is made of three pond body, aerating system and intake-outlet parts.Pond body is generally built up with armored concrete, and flat shape has rectangular
It is shape, square and circular etc..
The most structure of mixing component of existing aeration tank is more single, so that cause air not abundant enough with waste water,
So as to influence to be aerated efficiency；When being ventilated into pond, source of the gas is mostly without filtering is passed through, easily for existing aeration tank at the same time
Cause secondary pollution.
The content of the invention
It is an object of the invention to provide a kind of aeration tank for preventing secondary pollution, to solve to propose in above-mentioned background technology
The problem of.
To achieve the above object, the present invention provides following technical solution：
A kind of aeration tank for preventing secondary pollution, including pond body, door type frame, aeration board, air blower and inlet plenum；The door type frame
The top of pond body is arranged on, door type frame reverse buckling type fixes on the ground, and the top center of door type frame is fixed with installing plate,
It is rotatablely equipped with disk on front side of installing plate, disk is equipped with the motor for driving it to rotate, eccentric setting on the front end face of disk
There is pillar, disk is connected with cross bar, and cross bar offers sliding slot close to the side of disk, and pillar is slided and is connected in sliding slot；
The bottom centre position of the cross bar is connected with shaft, and shaft is through door type frame and extends to the intracavity bottom position of pond body, turns
Axis is slidably connected door type frame, and the bottom centre position of door type frame is rotatably connected to sleeve, and sleeve is set in the periphery of shaft, shaft
Upper axis body periphery be circumferentially equidistantly fixed with multiple flat keys, offered on the internal ring wall of sleeve and the matched key of flat key
Groove, flat key are slidably connected keyway, and the periphery of sleeve is fixed with driven gear, and the bottom of door type frame is located at the position peace on the right side of sleeve
Equipped with stirring motor, driving gear is fixed with the output shaft of stirring motor, driving gear is meshed with driven gear, shaft position
Paddle and helical blade are connected with the axis body periphery in pond body, paddle is located at the top of helical blade；The aeration board
The intracavity bottom of pond body is arranged on, aeration board designs for hollow type and venthole, the top of aeration board are evenly equipped with its upper surface
Connected by the bottom of montant and shaft；The air blower is installed on the position on the left of pond body, air blower on ground and goes out
Air port and air inlet connect air outlet pipe and air inlet pipe respectively, and wherein air outlet pipe extend into pond body and is connected to by swivel
The bottom centre position of aeration board, is provided with one section of bellows on the vertical tube body of air outlet pipe；The inlet plenum is arranged on drum
The left side of wind turbine, inlet plenum are the box-structure of left side opening, and the right side of inlet plenum is connected with air inlet pipe, the internal chamber wall of inlet plenum
Upper fitting is provided with strainer, and the first strainer and the second strainer are from left to right disposed with inlet plenum, wherein the first strainer
Mesh diameter is more than the mesh diameter of the second strainer.
As the further scheme of the present invention：The top right side of the pond body is provided with water inlet pipe, and the mouth of pipe of water inlet pipe is just
To pond body, the bottom right of pond body is connected with drainpipe, and valve is mounted on water inlet pipe and drainpipe.
As the further scheme of the present invention：The pillar is integrally formed with disk.
As the further scheme of the present invention：The sliding slot is waist type groove.
As the further scheme of the present invention：The flat key is provided with four in shaft.
As the further scheme of the present invention：The air outlet pipe is stainless steel tube.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention drives shaft to rotate by gear pair at work, by motor, and shaft drives paddle and helical blade to rotate,
Helical blade constantly drives the sewage of pool bottom to flow up while rotation, then by dirt of the agitating vane to flowing up
Water is disperseed, so as to strengthen the turbulent flow effect of sewage, improves aeration efficiency, simultaneously disk is driven on cross bar by pillar
Lower reciprocating movement, so as to drive shaft to move back and forth up and down, and then lifts mixing effect；Aeration board followed by shaft rotation, make
Venthole discharge air be distributed in pond body more uniformly, ensure coming into full contact with for sewage and air, improve aeration effect
Rate；Inlet plenum is additionally provided with, was used for the impurity of air filtering, ensures the clarity of air blower suction source of the gas, avoids causing secondary
Pollution.
Brief description of the drawings
Fig. 1 is the structure diagram for the aeration tank for preventing secondary pollution.
Fig. 2 is the enlarged structure schematic diagram of A in Fig. 1.
Fig. 3 is the cooperation schematic diagram for the aeration tank middle sleeve and shaft for preventing secondary pollution.
Fig. 4 is the structure diagram of inlet plenum in the aeration tank for prevent secondary pollution.
In figure：1- pond bodies, 11- water inlet pipes, 12- drainpipes, 2- door type frames, 21- installing plates, 3- disks, 31- pillars, 4-
Cross bar, 41- sliding slots, 5- shafts, 51- flat keys, 52- paddles, 53- helical blades, 6- sleeves, 61- driven gears, 62- keyways,
7- stirring motors, 71- driving gears, 8- aeration boards, 81- ventholes, 82- montants, 9- air blowers, 91- air outlet pipes, 911- stretch
Hose, 912- swivels, 92- air inlet pipe, 10- inlet plenums, the first strainers of 101-, the second strainers of 102-.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
Please refer to Fig.1~4, in the embodiment of the present invention, a kind of aeration tank for preventing secondary pollution, including pond body 1, door type frame
2nd, aeration board 8, air blower 9 and inlet plenum 10；The top right side of the pond body 1 is provided with water inlet pipe 11, the mouth of pipe of water inlet pipe 11
Face pond body 1, the bottom right of pond body 1 are connected with drainpipe 12, are mounted on valve on water inlet pipe 11 and drainpipe 12, are easy to
The keying of control pipeline；The door type frame 2 is arranged on the top of pond body 1, and 2 reverse buckling type of door type frame fixes on the ground, gate
The top center of frame 2 is fixed with installing plate 21, and the front side of installing plate 21 is rotatablely equipped with disk 3, and disk 3 is equipped with driving
Its motor rotated（Not shown in figure）, eccentric setting has pillar 31 on the front end face of disk 3, further, pillar 31 and circle
Disk 3 is integrally formed, and disk 3 is connected with cross bar 4, and specifically, cross bar 4 offers sliding slot 41 close to the side of disk 3, into
One step, sliding slot 41 is waist type groove, and pillar 31 is slided and is connected in sliding slot 41, when disk 3 rotates, will be driven by pillar 31
Cross bar 4 moves back and forth up and down；The bottom centre position of the cross bar 4 is connected with shaft 5, and shaft 5 is through door type frame 2 and extends to
The intracavity bottom position of pond body 1, shaft 5 are slidably connected door type frame 2, and the bottom centre position of door type frame 2 is rotatably connected to sleeve
6, sleeve 6 is set in the periphery of shaft 5, and the upper axis body periphery of shaft 5 is circumferentially equidistantly fixed with multiple flat keys 51, further
, flat key 51 is provided with four in shaft 5, and keyway 62 matched with flat key 512 is offered on the internal ring wall of sleeve 6, puts down
Key 512 is slidably connected keyway 62, and the periphery of sleeve 6 is fixed with driven gear 61, and the bottom of door type frame 2 is located at the right side of sleeve 6
Position is provided with stirring motor 7, and driving gear 71, driving gear 71 and driven gear are fixed with the output shaft of stirring motor 7
61 are meshed, and the axis body periphery that shaft 5 is located in pond body 1 is connected with paddle 52 and helical blade 53, and paddle 52 is located at spiral shell
The top of vane piece 53, during work, drives shaft 5 to rotate by motor 7 by gear pair, and shaft 5 drives paddle 52 and spiral
Blade 53 rotates, and helical blade 53 constantly drives the sewage of 1 bottom of pond body to flow up while rotation, then by agitating vane
52 pairs of sewage flowed up disperse, so as to strengthen the turbulent flow effect of sewage, improve aeration efficiency, simultaneously disk 3
Drive cross bar 4 to move back and forth up and down by pillar 31, so as to drive shaft 5 to move back and forth up and down, and then lift mixing effect；
The aeration board 8 is arranged on the intracavity bottom of pond body 1, and aeration board 8 is designed for hollow type and is evenly equipped with out on its upper surface
Stomata 81, the top of aeration board 8 are connected by montant 82 with the bottom of shaft 5, drive aeration board 8 to rotate by shaft 5 so as to go out
The air that stomata 81 is discharged in the pond body 1 distribution more uniformly, ensure coming into full contact with for sewage and air, improve aeration effect
Rate；
The air blower 9 is installed on positioned at the position in the left side of pond body 1 on ground, and the air outlet and air inlet of air blower 9 connect respectively
Tracheae 91 and air inlet pipe 92 are picked out, wherein air outlet pipe 91 extend into pond body 1 and is connected to aeration board by swivel 912
Bottom centre position, is provided with one section of bellows 911 on the vertical tube body of air outlet pipe 91, for compensate aeration board 8 up and down
Displacement, further, air outlet pipe 91 are stainless steel tube；
The inlet plenum 10 is arranged on the left side of air blower 9, and inlet plenum 10 is the box-structure of left side opening, the right side of inlet plenum 10
Side is connected with air inlet pipe 92, is bonded on the internal chamber wall of inlet plenum 10 and is provided with strainer, be used for the impurity of air filtering, ensures air blast
Machine 9 sucks the clarity of source of the gas, avoids causing secondary pollution, specifically, in inlet plenum 10 is from left to right disposed with the
One strainer 101 and the second strainer 102, wherein the mesh diameter of the first strainer 101 is more than the mesh diameter of the second strainer 102, lead to
Cross multistage filtering and improve filter effect.
The present invention operation principle be：
In the present invention at work, shaft 5 is driven to rotate by gear pair by motor 7, shaft 5 drives paddle 52 and helical-blade
Piece 53 rotates, and helical blade 53 constantly drives the sewage of 1 bottom of pond body to flow up while rotation, then by agitating vane 52
The sewage flowed up is disperseed, so as to strengthen the turbulent flow effect of sewage, improves aeration efficiency, simultaneously disk 3 is logical
Crossing pillar 31 drives cross bar 4 to move back and forth up and down, so as to drive shaft 5 to move back and forth up and down, and then lifts mixing effect；Aeration
Plate 8 followed by shaft 5 and rotate so that the air that venthole 81 is discharged is more uniform the interior distribution of pond body 1, ensures sewage and sky
Gas comes into full contact with, and improves aeration efficiency；Inlet plenum 10 is additionally provided with, was used for the impurity of air filtering, ensures that air blower 9 sucks
The clarity of source of the gas, avoids causing secondary pollution.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference numeral in claim should not be considered as to the involved claim of limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical solution, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (6)
1. a kind of aeration tank for preventing secondary pollution, including pond body（1）, door type frame（2）, aeration board（8）, air blower（9）With into
Gas chamber（10）；It is characterized in that, the door type frame（2）It is arranged on pond body（1）Top, door type frame（2）Reverse buckling type is fixed on
On ground, door type frame（2）Top center be fixed with installing plate（21）, installing plate（21）Front side be rotatablely equipped with disk
（3）, disk（3）Equipped with the motor for driving it to rotate, disk（3）Front end face on eccentric setting have pillar（31）, disk（3）
It is connected with cross bar（4）, cross bar（4）Close to disk（3）Side offer sliding slot（41）, pillar（31）Slip is connected to cunning
Groove（41）In；The cross bar（4）Bottom centre position be connected with shaft（5）, shaft（5）Through door type frame（2）And extend to
Pond body（1）Intracavity bottom position, shaft（5）Be slidably connected door type frame（2）, door type frame（2）Bottom centre position rotate connect
It is connected to sleeve（6）, sleeve（6）It is set in shaft（5）Periphery, shaft（5）Upper axis body periphery be circumferentially equidistantly fixed with
Multiple flat keys（51）, sleeve（6）Internal ring wall on offer and flat key（512）Matched keyway（62）, flat key（512）Slide
Connect keyway（62）, sleeve（6）Periphery be fixed with driven gear（61）, door type frame（2）Bottom be located at sleeve（6）Right side
Position is provided with stirring motor（7）, stirring motor（7）Output shaft on be fixed with driving gear（71）, driving gear（71）With
Driven gear（61）It is meshed, shaft（5）Positioned at pond body（1）Interior axis body periphery is connected with paddle（52）And helical blade
（53）, paddle（52）Positioned at helical blade（53）Top；The aeration board（8）It is arranged on pond body（1）Intracavity bottom, expose
Gas plate（8）Designed for hollow type and be evenly equipped with venthole on its upper surface（81）, aeration board（8）Top pass through montant（82）With
Shaft（5）Bottom connection；The air blower（9）It is located at pond body on ground（1）The position in left side, air blower（9）'s
Air outlet and air inlet connect air outlet pipe respectively（91）And air inlet pipe（92）, wherein air outlet pipe（91）It extend into pond body（1）In simultaneously
Pass through swivel（912）It is connected to the bottom centre position of aeration board, air outlet pipe（91）Vertical tube body on be provided with one section
Bellows（911）；The inlet plenum（10）It is arranged on air blower（9）Left side, inlet plenum（10）For the box of left side opening
Structure, inlet plenum（10）Right side and air inlet pipe（92）Connection, inlet plenum（10）Internal chamber wall on fitting be provided with strainer, air inlet
Room（10）Inside from left to right it is disposed with the first strainer（101）With the second strainer（102）, wherein the first strainer（101）Net
Bore dia is more than the second strainer（102）Mesh diameter.
2. the aeration tank according to claim 1 for preventing secondary pollution, it is characterised in that the pond body（1）Top right
Side is provided with water inlet pipe（11）, water inlet pipe（11）Mouth of pipe face pond body（1）, pond body（1）Bottom right be connected with drainpipe
（12）, water inlet pipe（11）And drainpipe（12）On be mounted on valve.
3. the aeration tank according to claim 1 for preventing secondary pollution, it is characterised in that the pillar（31）With disk
（3）It is integrally formed.
4. the aeration tank according to claim 1 for preventing secondary pollution, it is characterised in that the sliding slot（41）For waist type
Groove.
5. the aeration tank according to claim 1 for preventing secondary pollution, it is characterised in that the flat key（51）In shaft
（5）On be provided with four.
6. the aeration tank according to claim 1 for preventing secondary pollution, it is characterised in that the air outlet pipe（91）To be stainless
Steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711196169.9A CN107954512A (en) | 2017-11-25 | 2017-11-25 | A kind of aeration tank for preventing secondary pollution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711196169.9A CN107954512A (en) | 2017-11-25 | 2017-11-25 | A kind of aeration tank for preventing secondary pollution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107954512A true CN107954512A (en) | 2018-04-24 |
Family
ID=61961771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711196169.9A Pending CN107954512A (en) | 2017-11-25 | 2017-11-25 | A kind of aeration tank for preventing secondary pollution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107954512A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108358300A (en) * | 2018-04-25 | 2018-08-03 | 绍兴精功环境科技有限公司 | A kind of reverse osmosis concentrated water treatment facilities and its treatment process |
| CN108726662A (en) * | 2018-06-08 | 2018-11-02 | 佛山舒宜添科技有限公司 | A kind of industrial sewage processing unit |
| CN108767755A (en) * | 2018-05-21 | 2018-11-06 | 吴淑霞 | A kind of architectural engineering Core Walls Structure beam column construction |
| CN110921748A (en) * | 2019-12-11 | 2020-03-27 | 山东锦绣山河环境工程有限公司 | High-efficient dissolved air flotation machine |
| CN111362495A (en) * | 2020-03-19 | 2020-07-03 | 李海洋 | Energy-saving sewage treatment device |
| CN111410292A (en) * | 2020-05-21 | 2020-07-14 | 四川格瑞斯环境科技有限公司 | Mixed sewage treatment device |
| CN111847677A (en) * | 2020-07-27 | 2020-10-30 | 杭州海科杭环科技有限公司 | Sewage treatment device and process capable of self-adapting to sewage inflow |
| CN113002897A (en) * | 2021-02-22 | 2021-06-22 | 广东福利龙复合肥有限公司 | Feeding device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108358300A (en) * | 2018-04-25 | 2018-08-03 | 绍兴精功环境科技有限公司 | A kind of reverse osmosis concentrated water treatment facilities and its treatment process |
| CN108767755A (en) * | 2018-05-21 | 2018-11-06 | 吴淑霞 | A kind of architectural engineering Core Walls Structure beam column construction |
| CN108726662A (en) * | 2018-06-08 | 2018-11-02 | 佛山舒宜添科技有限公司 | A kind of industrial sewage processing unit |
| CN110921748A (en) * | 2019-12-11 | 2020-03-27 | 山东锦绣山河环境工程有限公司 | High-efficient dissolved air flotation machine |
| CN111362495A (en) * | 2020-03-19 | 2020-07-03 | 李海洋 | Energy-saving sewage treatment device |
| CN111362495B (en) * | 2020-03-19 | 2022-08-09 | 石家庄正中科技有限公司 | Energy-saving sewage treatment device |
| CN111410292A (en) * | 2020-05-21 | 2020-07-14 | 四川格瑞斯环境科技有限公司 | Mixed sewage treatment device |
| CN111847677A (en) * | 2020-07-27 | 2020-10-30 | 杭州海科杭环科技有限公司 | Sewage treatment device and process capable of self-adapting to sewage inflow |
| CN113002897A (en) * | 2021-02-22 | 2021-06-22 | 广东福利龙复合肥有限公司 | Feeding device |
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