CN108033552A - A kind of aerator for being used to handle municipal wastewater - Google Patents
A kind of aerator for being used to handle municipal wastewater Download PDFInfo
- Publication number
- CN108033552A CN108033552A CN201810057722.9A CN201810057722A CN108033552A CN 108033552 A CN108033552 A CN 108033552A CN 201810057722 A CN201810057722 A CN 201810057722A CN 108033552 A CN108033552 A CN 108033552A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- fixed frame
- pond body
- aeration
- gear
- 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
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
- C02F3/12—Activated sludge processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F7/00—Aeration of stretches of water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/22—O2
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
The invention discloses a kind of aerator for being used to handle municipal wastewater,Including pond body,Fixed frame,Motor,Aeration board and air blower,The upper surface of pond body is fixedly connected with fixed frame,The lower section of fixed frame is equipped with driving shaft,The lower section of driving shaft is equipped with worm screw,The lower end of worm screw is fixedly connected with rabble,The left and right ends of worm screw are respectively equipped with worm gear,Slidably connected respectively on the left and right sides inner wall of pond body and gear is equipped between rack rack and worm gear,Wheel and rack engages,Gear is rotatablely connected by the inner wall of shaft and pond body,Shaft is connected by transmission mechanism with worm-wheel shaft,The lower end of rack is fixedly connected with aeration board,Discharged the air into using air blower in sewage,Bottom sewage is aerated,In aeration process,Aeration board moves up and down,Expand aeration scope,Bottom sewage is set to seethe upwards at the same time,Top layer sewage is raised using aeration blade,Top layer sewage is set to be come into full contact with air,Top layer sewage is aerated.
Description
Technical field
The present invention relates to what a kind of field, is specifically a kind of aerator for being used to handle municipal wastewater.
Background technology
Sewage, which arbitrarily discharges, to bring environment great negative effect, and at present, people are usually dirty using aeration tank processing
Water, aeration tank be using activated sludge process carry out sewage disposal structures, aeration tank mainly by pond body, aerating system and into
Three parts of water outlet form.Pond body is generally built up with armored concrete, and flat shape has rectangle, square and circular etc.；Expose
Gas is a kind of means for making air be contacted strongly with water, its object is to which the oxygen in air is dissolved in the water, existing aeration
Device aeration structure is single, sewage mixed with air it is not abundant enough, cause be aerated inefficiency, it is difficult to meet that people are growing
Sewage disposal demand.
The content of the invention
It is an object of the invention to provide a kind of aerator for being used to handle municipal wastewater, to solve above-mentioned background technology
The problem of middle proposition.
To achieve the above object, the present invention provides following technical solution：
A kind of aerator for being used to handle municipal wastewater, including pond body, fixed frame, motor, aeration board and air blower, the pond
The upper surface of body is fixedly connected with fixed frame, and the lower section of fixed frame is equipped with driving shaft, the left and right ends of driving shaft respectively with fixation
The side wall rotation connection of frame, the outer right wall of fixed frame are fixedly connected with motor, and the axle stretch end of motor passes through the side wall of fixed frame
It is fixedly connected with driving shaft, left half bevel gear, right half bevel gear is arranged with the middle part of driving shaft, the lower surface of fixed frame, which is fixed, is connected
Be connected to fixed frame, the lower section of driving shaft is equipped with worm screw, and worm screw is vertical with driving shaft, and fixed frame is run through on the top of worm screw, worm screw with
Fixed frame is rotatablely connected, and the top of worm screw is fixedly connected with driven wheel of differential, and driven wheel of differential is located at left half bevel gear, right half cone
Between gear, driven wheel of differential is engaged with left half bevel gear, right half bevel gear interval respectively, and the lower end of worm screw, which is fixedly connected with, to be stirred
Bar is mixed, the left and right ends of worm screw are respectively equipped with worm gear, and worm gear is rotatablely connected by worm-wheel shaft and the side wall of pond body, the left and right of pond body
Slidably connected respectively on the inner wall of both sides and gear is equipped between rack rack and worm gear, wheel and rack engagement, gear is by turning
Axis and the inner wall of pond body are rotatablely connected, and shaft is connected by transmission mechanism with worm-wheel shaft, and the lower end of rack is fixedly connected with exposure
Gas plate, aeration board inner hollow, the bottom of pond body are fixedly connected with appendix, and the right end of appendix is fixedly connected with flexible soft
Pipe, the top of bellows connects with aeration board, and the left side wall of fixed frame is fixedly connected with air blower, air blower by hose and
Appendix connects.
As the further scheme of the present invention：The middle dot center of left half bevel gear, right half bevel gear on driving shaft
Symmetrically.
As further scheme of the invention：Aeration blade, aeration blade and sewage are fixedly connected with the worm screw
The water surface is equal.
As further scheme of the invention：The transmission mechanism is transmission belt.
As further scheme of the invention：Aeration head is distributed with the upper surface of the aeration board.
As further scheme of the invention：Drainpipe, drainpipe are fixedly connected with below the right side wall of the pond body
On valve is installed.
As further scheme of the invention：The right hand top of the pond body is fixedly connected with water inlet pipe, on water inlet pipe
Valve is installed.
Compared with prior art, the beneficial effects of the invention are as follows：Discharged the air into using air blower in sewage, it is dirty to bottom
Water is aerated, and in aeration process, aeration board moves up and down, and expands aeration scope, while bottom sewage is seethed upwards, is made
Sewage mixes more uniform with air, further improves aeration efficiency, smashes bubble using rabble, sewage is mixed with air
More uniformly, top layer sewage is raised using aeration blade, top layer sewage is come into full contact with air, top layer sewage is exposed
Gas.
Brief description of the drawings
Fig. 1 is for the structure diagram for the aerator for handling municipal wastewater；
Fig. 2 is the top view of worm gear in aerator for handling municipal wastewater；
Fig. 3 is the structure diagram of driving shaft in aerator for handling municipal wastewater.
In figure：1- pond bodies；2- fixed frames；3- driving shafts；4- motors；Half bevel gear of a 5- left sides；Half bevel gear of the 6- right sides；7- is fixed
Frame；8- worm screws；9- driven wheel of differential；10- rabbles；11- worm gears；12- racks；13- gears；14- transmission mechanisms；15- is aerated
Plate；16- aeration heads；17- appendixs；18- bellows；19- air blowers；20- drainpipes；21- water inlet pipes；22- aeration blades.
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.1~3, in the embodiment of the present invention, a kind of aerator for being used to handle municipal wastewater, including pond body 1,
Fixed frame 2, motor 4, aeration board 15 and air blower 19, the upper surface of pond body 1 are fixedly connected with fixed frame 2, the lower section of fixed frame 2
Equipped with driving shaft 3, the side wall rotation connection with fixed frame 2, the outer right wall of fixed frame 2 are consolidated respectively for the left and right ends of driving shaft 3
Surely motor 4 is connected with, the side wall of axle stretch end through the fixed frame 2 of motor 4 is fixedly connected with driving shaft 3, the middle part set of driving shaft 3
Equipped with left half bevel gear 5, right half bevel gear 6, the midpoint central symmetry of left half bevel gear 5, right half bevel gear 6 on driving shaft 3,
The lower surface of fixed frame 2 is fixedly connected with fixed frame 7, and the lower section of driving shaft 3 is equipped with worm screw 8, and worm screw 8 is vertical with driving shaft 3, snail
Fixed frame 7 is run through on the top of bar 8, and worm screw 8 is rotatablely connected with fixed frame 7, and the top of worm screw 8 is fixedly connected with driven wheel of differential 9,
Driven wheel of differential 9 is located between left half bevel gear 5, right half bevel gear 6, driven wheel of differential 9 respectively with left half bevel gear 5, right half
Bevel gear 6 intermittently engages, and drives driving shaft 3 to rotate when motor 4 is run, when when a left side, half bevel gear 5 engages with driven wheel of differential 9,
Worm screw 8 is driven to rotate, when driven wheel of differential 9 is separated with left half bevel gear 5, when being engaged with half bevel gear 6 of the right side, drive worm screw 8 is anti-
Turn, so repeatedly, drive 8 rotating of worm screw, the lower end of worm screw 8 is fixedly connected with rabble 10, the left and right ends difference of worm screw 8
Equipped with worm gear 11, worm gear 11 is rotatablely connected by worm-wheel shaft and the side wall of pond body 1, is slided respectively on the left and right sides inner wall of pond body 1
Dynamic to be connected with rack 12, rack 12 can slide up and down, and gear 13, gear 13 and rack 12 are equipped between rack 12 and worm gear 11
Engagement, gear 13 are rotatablely connected by the inner wall of shaft and pond body 1, and shaft is connected by transmission mechanism 14 with worm-wheel shaft, is passed
Motivation structure 14 is transmission belt, and 8 rotating of worm screw drives 11 rotating of worm gear, so that positive and negative with moving gear 13 by transmission mechanism 14
Turn, so as to be moved up and down with carry-over bar 12, the lower end of rack 12 is fixedly connected with aeration board 15, and rack 12 moves up and down drive and exposes
Gas plate 15 moves up and down, 15 inner hollow of aeration board, and aeration head 16 is distributed with the upper surface of aeration board 15, and the bottom of pond body 1 is consolidated
Surely appendix 17 is connected with, the right end of appendix 17 is fixedly connected with bellows 18, the top of bellows 18 and aeration board
15 connections, the left side wall of fixed frame 2 are fixedly connected with air blower 19, and air blower 19 is connected by hose with appendix 17, utilize
Air blower 19 delivers the air to aeration board 15, is ultimately discharged into sewage, and sewage is aerated, below the right side wall of pond body 1
Drainpipe 20 is fixedly connected with, valve is installed on drainpipe 20, the right hand top of pond body 1 is fixedly connected with water inlet pipe 21, into
Valve is installed on water pipe 21, aeration blade 22 is fixedly connected with worm screw 8, aeration blade 22 is equal with the sewage water surface, utilizes
Aeration blade 22 raises top layer sewage, and top layer sewage is aerated.
The present invention operation principle be：Sewage is injected in pond body 1 by water inlet pipe 21, starts air blower 19, utilizes drum
Wind turbine 19 delivers the air to aeration board 15, is ultimately discharged into sewage, and sewage is aerated, and starts motor 4, drives driving shaft
3 rotate, and when half bevel gear 5 engages with driven wheel of differential 9 when a left side, drive worm screw 8 to rotate, when driven wheel of differential 9 and left half cone tooth
The separation of wheel 5, when being engaged with half bevel gear 6 of the right side, drives worm screw 8 to invert, and so repeatedly, 8 rotating of worm screw is driven, so as to drive snail
11 rotatings are taken turns, so as to be moved up and down with 13 rotating of moving gear, and then with carry-over bar 12, final drive moves down on aeration board 15
It is dynamic, expand aeration scope, while bottom sewage is seethed upwards, aeration efficiency is improved, 10 turns of rabble is driven when worm screw 8 rotates
It is dynamic, bubble is smashed using rabble 10, sewage is mixed with air more uniform, aeration blade 22 raises top layer dirt when rotating
Water, makes top layer sewage be come into full contact with air, and top layer sewage is aerated.
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 (7)
1. a kind of aerator for being used to handle municipal wastewater, including pond body（1）, fixed frame（2）, motor（4）, aeration board（15）
And air blower（19）, it is characterised in that the pond body（1）Upper surface be fixedly connected with fixed frame（2）, fixed frame（2）Under
Side is equipped with driving shaft（3）, driving shaft（3）Left and right ends respectively with fixed frame（2）Side wall rotation connection, fixed frame（2）'s
Outer right wall is fixedly connected with motor（4）, motor（4）Axle stretch end pass through fixed frame（2）Side wall and driving shaft（3）It is fixed to connect
Connect, driving shaft（3）Middle part be arranged with left half bevel gear（5）, right half bevel gear（6）, fixed frame（2）Lower surface be fixedly connected
There is fixed frame（7）, driving shaft（3）Lower section be equipped with worm screw（8）, worm screw（8）With driving shaft（3）Vertically, worm screw（8）Top pass through
Wear fixed frame（7）, worm screw（8）With fixed frame（7）Rotation connection, worm screw（8）Top be fixedly connected with driven wheel of differential（9）,
Driven wheel of differential（9）Positioned at left half bevel gear（5）, right half bevel gear（6）Between, driven wheel of differential（9）Respectively with left half cone tooth
Wheel（5）, right half bevel gear（6）Interval engages, worm screw（8）Lower end be fixedly connected with rabble（10）, worm screw（8）Left and right two
End is respectively equipped with worm gear（11）, worm gear（11）Pass through worm-wheel shaft and pond body（1）Side wall rotation connection, pond body（1）Left and right two
Rack is slidably connected respectively on the inner wall of side（12）Rack（12）With worm gear（11）Between be equipped with gear（13）, gear（13）With tooth
Bar（12）Engagement, gear（13）Pass through shaft and pond body（1）Inner wall rotation connection, shaft passes through transmission mechanism（14）With worm gear
Axis is connected, rack（12）Lower end be fixedly connected with aeration board（15）, aeration board（15）Inner hollow, pond body（1）Bottom
It is fixedly connected with appendix（17）, appendix（17）Right end be fixedly connected with bellows（18）, bellows（18）Top
Portion and aeration board（15）Connection, fixed frame（2）Left side wall be fixedly connected with air blower（19）, air blower（19）By hose with
Appendix（17）Connection.
2. the aerator according to claim 1 for being used to handle municipal wastewater, it is characterised in that left half bevel gear
（5）, right half bevel gear（6）On driving shaft（3）Midpoint central symmetry.
3. the aerator according to claim 1 for being used to handle municipal wastewater, it is characterised in that the worm screw（8）On
It is fixedly connected with aeration blade（22）, aeration blade（22）It is equal with the sewage water surface.
4. the aerator according to claim 1 for being used to handle municipal wastewater, it is characterised in that the transmission mechanism
（14）With transmission belt.
5. the aerator according to claim 1 for being used to handle municipal wastewater, it is characterised in that the aeration board（15）
Upper surface aeration head is distributed with（16）.
6. the aerator according to claim 1 for being used to handle municipal wastewater, it is characterised in that the pond body（1）'s
Drainpipe is fixedly connected with below right side wall（20）, drainpipe（20）On valve is installed.
7. the aerator according to claim 1 for being used to handle municipal wastewater, it is characterised in that the pond body（1）'s
Right hand top is fixedly connected with water inlet pipe（21）, water inlet pipe（21）On valve is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810057722.9A CN108033552A (en) | 2018-01-22 | 2018-01-22 | A kind of aerator for being used to handle municipal wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810057722.9A CN108033552A (en) | 2018-01-22 | 2018-01-22 | A kind of aerator for being used to handle municipal wastewater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108033552A true CN108033552A (en) | 2018-05-15 |
Family
ID=62097099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810057722.9A Pending CN108033552A (en) | 2018-01-22 | 2018-01-22 | A kind of aerator for being used to handle municipal wastewater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108033552A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108560370A (en) * | 2018-07-02 | 2018-09-21 | 广西广厦环保科技有限公司 | A kind of mobile mechanism of asphalt-spreader |
| CN108726694A (en) * | 2018-05-25 | 2018-11-02 | 张玉峰 | Aeration tank with dual-rotation aeration mechanism |
| CN108776539A (en) * | 2018-08-27 | 2018-11-09 | 刘会 | A kind of computer mainframe box efficient radiating apparatus |
| CN108946976A (en) * | 2018-09-20 | 2018-12-07 | 湖州道场污水处理有限公司 | A kind of high efficiency aerator for sewage treatment |
| CN109019895A (en) * | 2018-08-31 | 2018-12-18 | 深圳市金鑫城纸品有限公司 | A kind of aeration tank convenient for adjusting aeration height |
| CN109262716A (en) * | 2018-06-09 | 2019-01-25 | 徐素香 | A kind of cutting machine avoiding offset |
| CN110790593A (en) * | 2019-12-17 | 2020-02-14 | 林益江 | Fermentation equipment of fertilizer |
| CN113788551A (en) * | 2021-09-14 | 2021-12-14 | 熊文 | A aeration tank for municipal sewage treatment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107381798A (en) * | 2017-08-08 | 2017-11-24 | 陈旭东 | A kind of sanitary sewage disposal aerator |
| CN107487839A (en) * | 2017-09-06 | 2017-12-19 | 杜鑫 | A kind of sanitary sewage aerator |
-
2018
- 2018-01-22 CN CN201810057722.9A patent/CN108033552A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107381798A (en) * | 2017-08-08 | 2017-11-24 | 陈旭东 | A kind of sanitary sewage disposal aerator |
| CN107487839A (en) * | 2017-09-06 | 2017-12-19 | 杜鑫 | A kind of sanitary sewage aerator |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108726694A (en) * | 2018-05-25 | 2018-11-02 | 张玉峰 | Aeration tank with dual-rotation aeration mechanism |
| CN109262716A (en) * | 2018-06-09 | 2019-01-25 | 徐素香 | A kind of cutting machine avoiding offset |
| CN108560370A (en) * | 2018-07-02 | 2018-09-21 | 广西广厦环保科技有限公司 | A kind of mobile mechanism of asphalt-spreader |
| CN108776539A (en) * | 2018-08-27 | 2018-11-09 | 刘会 | A kind of computer mainframe box efficient radiating apparatus |
| CN109019895A (en) * | 2018-08-31 | 2018-12-18 | 深圳市金鑫城纸品有限公司 | A kind of aeration tank convenient for adjusting aeration height |
| CN108946976A (en) * | 2018-09-20 | 2018-12-07 | 湖州道场污水处理有限公司 | A kind of high efficiency aerator for sewage treatment |
| CN110790593A (en) * | 2019-12-17 | 2020-02-14 | 林益江 | Fermentation equipment of fertilizer |
| CN113788551A (en) * | 2021-09-14 | 2021-12-14 | 熊文 | A aeration tank for municipal sewage treatment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108033552A (en) | A kind of aerator for being used to handle municipal wastewater | |
| CN108033553A (en) | A kind of municipal works Special sewage treatment device | |
| CN107487839A (en) | A kind of sanitary sewage aerator | |
| CN107364960A (en) | A kind of rotary sanitary sewage aeration mechanism | |
| CN107986437A (en) | A kind of aerator for sewage disposal | |
| CN107010719A (en) | A kind of high efficient aeration pond | |
| CN108751393A (en) | A kind of fountain sewage disposal aerator | |
| CN107892382A (en) | A kind of aerator with double-stirring machine structure | |
| CN107265622A (en) | A kind of aeration tank with multiple aeration structure | |
| CN107746106A (en) | A kind of high efficient aeration pond for being used to handle sanitary sewage | |
| CN108298703A (en) | A kind of aerator for Industrial Wastewater Treatment | |
| CN108083462A (en) | A kind of sanitary sewage disposal high efficient aeration pond | |
| CN108069508A (en) | A kind of aerator for sanitary sewage disposal | |
| CN107055769A (en) | A kind of aeration tank for sanitary sewage disposal | |
| CN108101204A (en) | A kind of aeration tank with multiple aeration structure | |
| CN107963733A (en) | A kind of high efficient aeration pond for sanitary sewage disposal | |
| CN107698019A (en) | A kind of aeration tank for sanitary sewage disposal | |
| CN207404932U (en) | A kind of aeration tank for sanitary sewage disposal | |
| CN108033550A (en) | A kind of high efficient aeration pond with multiple aeration structure | |
| CN107892383A (en) | A kind of aerator for sanitary sewage disposal | |
| CN108249597A (en) | A kind of self-circulation type trade effluent aerator | |
| CN108217928A (en) | It is a kind of that there is the aeration tank of automatic brushing | |
| CN107673494A (en) | A kind of high efficient aeration pond | |
| CN108191046A (en) | A kind of aerator for sewage disposal | |
| CN110104809A (en) | A kind of self-cleaning aeration tank for municipal wastewater processing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180515 |