CN110104765A - A kind of film tube type bottom aerator for oxidation ditch - Google Patents
A kind of film tube type bottom aerator for oxidation ditch Download PDFInfo
- Publication number
- CN110104765A CN110104765A CN201910510749.3A CN201910510749A CN110104765A CN 110104765 A CN110104765 A CN 110104765A CN 201910510749 A CN201910510749 A CN 201910510749A CN 110104765 A CN110104765 A CN 110104765A
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- Prior art keywords
- aeration
- oxidation ditch
- membrane tube
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- combined type
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- 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
-
- 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
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1257—Oxidation ditches
-
- 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
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- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
The present invention relates to a kind of film tube type bottom aerators for oxidation ditch, belong to environmental protecting device preparation technical field.Apparatus of the present invention generate air-flow by aerator and convey through main aerated conduit to aeration gas flow, water oxygen level is monitored in real time by detection device and it is effectively and timely detected and adjusts aeration quantity, simultaneously because aeration opening size is adjusted in extension type aeration opening, pass through the difference of aeration rate, generate slewing rate of the upper and lower combined type aeration membrane tube under aeration gas flow promotion different, form chiasma type aeration gas flow, the aeration gas flow that the combined type aeration membrane tube of lower layer generates simultaneously, through the aeration membrane tube rotation of upper one layer of combined type, effectively cuts and break up air-flow, further refine aeration gas flow size, it is dissolved to it sufficiently in oxidation ditch, improve aeration efficiency, be conducive to the control to dissolved oxygen in fermentation liquid, further increase the efficiency that membrane tube material is handled into oxidation ditch.
Description
Technical field
The present invention relates to a kind of film tube type bottom aerators for oxidation ditch, belong to environmental protecting device technology of preparing neck
Domain.
Background technique
In current technical field of sewage, activated sludge process is one of the technology being most widely used.Activated sludge
It is the theme of activated sludge process dirty water living creature processing technique.Basic procedure is exactly to inject air in sanitary sewage to be aerated,
Oxygen molecule in air reacts with sludge, and continues to retain sediment, replacement fresh sewage.Therefore, through after a period of time
Precipitating after, one kind will be formed in sewage in filemot floccule body.These floccule bodys are largely prolific micro-
What biocenose was constituted, it, which is easy to precipitate, is separated from water, and makes to purify the sewage, clarify.This floccule body is exactly biological dirty
Mud.Fig. 1-1 is exactly the basic flow chart of Wastewater Treated by Activated Sludge Process system.Activated sludge reactor, that is, aeration tank is that its core is set
Standby, in addition there are secondary sedimentation tank, sludge recirculation system, aeration and air-diffusers to be formed.Before formally putting into operation,
The culture and domestication work of activated sludge must be carried out in aeration tank, this is using sewage as culture medium.Through after a period of time
Primary deposition and hydrolysis acidification device processing after obtain the sewage of primary deposition, these sewage enter aeration tank from one end, this
When by the activated sludge of secondary sedimentation tank continuous backflow as seed sludge, the two enters aeration tank together.At the same time, from sky
Compressed air is sent at press station, the air-diffuser by the pipe-line system of main pipe and branch pipe and device in aeration tank bottom surface
It forms tiny bubble to enter in pond in sewage, aerator can be oxygenated into sewage, while being also functioned to and made in aeration tank
The effect of mixed liquor and activated sludge vigorous agitation, mutual blending.Activated sludge and mixed liquor are mutually mixed, are come into full contact with, and are made
Obtaining activated sludge reaction can be normally carried out, and aeration is exactly that air and water are forced a kind of method contacted, in general have and fill
The methods of gas and mechanical agitation, purpose is exactly that the oxygen in air is transferred in water, or by gas unwanted in water
Or volatile materials takes liquid out of, banishes in air.Aeration can promote the mass exchange between gas-liquid two-phase, and to more
It is stirred and mixes between item substance.Certain dwell time of sewage is provided in pond, meets oxygen required for aerobic microbiological
The mixing condition that amount and sewage and activated sludge come into full contact with.The other end of sewage after activated sludge purification from pond
Enter secondary sedimentation tank after outflow again to be separated by solid-liquid separation, activated sludge is separated by slowly precipitating with sewage, by heavy
Treated the sewage discharge system of forming sediment becomes processing water.And it precipitates and the sludge that is concentrated to a certain degree is from sedimentation basin
The discharge of bottom mud discharging mouth, a part therein is back to aeration tank utilization as seed sludge, and remaining sludge is then discharged
System.The sludge increased in the excess sludge of discharge system and aeration tank should be quantitatively consistent, in such aeration tank
Sludge concentration is just able to maintain in a comparatively stable range.Core equipment of the aeration tank as activated Sludge System,
Whether the function that the clean-up effect of activated Sludge System depends greatly on aeration tank can normally play.
Membrane aeration biomembrane reactor is the water treatment technology that membrane separation technique is combined with technology of biological membrane, reactor master
It to be made of membrane module and bioreactor two parts.One side air permeable membrane module enters biomembrane in still form
Interior, another aspect ventilated membrane is also the good carrier of biomembrane apposition growth.Therefore, in water, air is attached by ventilated membrane
Biofilm aeration oxygen supply on it, while the biomembrane on ventilated membrane comes into full contact with sewage, realizes and pollutes in water of degrading
The purpose of object.But since the solubility of oxygen in water is lower, under normal temperature and pressure, the solubility of pure water oxygen is 0.2mmol/
L, the solubility in fermentation liquid are then lower.However during the fermentation oxygen concentration be restriction micro-organisms growth it is important because
Element, so the design of bioreactor is more demanding to its mass-transfer performance.In particular with the increase of reactor volume, how to change
The problem of dissolved oxygen of kind material, be main problem present in existing preparation oxidation ditch aeration device.
Summary of the invention
The technical problems to be solved by the invention: for being aerated the molten of generation in existing oxidation ditch aeration device use process
The problem of solution oxygen is lower, limits aerator use scope, provides a kind of film tube type bottom aerator for oxidation ditch.
In order to solve the above technical problems, the technical solution adopted by the present invention is that:
A kind of film tube type bottom aerator for oxidation ditch mainly includes that detection part and combined type aeration membrane tube form,
The combined type aeration membrane tube is arranged according to corresponding interval, and intercombination forms pattern straggly, exposes in oxidation ditch
It in gas pond, is uniformly laid with combined type and is aerated membrane tube, combine initial place in combined type aeration membrane tube, aerator is installed, is aerated
Equipment is aerated membrane tube First combined type aeration film tube apparatus with combined type by main aerated conduit and is attached, and then successively leads to
It crosses aeration connecting pipe to be attached by the pipeline between combined type aeration film bottom of the tube, aeration connecting pipe is mounted on combination
Formula aeration film bottom of the tube has been sequentially distributed length in combined type aeration membrane tube from bottom to up and the identical aeration of bore is in charge of,
Aeration is in charge of surface wherein side, extension type aeration opening is distributed with, all extension type aeration openings are distributed in aeration and are in charge of
The left side of vertical direction is mounted on detection part on the surrounding pool wall of oxidation ditch aeration pond, meanwhile, it is scalable at each
Installation by adhering has rubber telescopic mouth and resin telescopic mouth in formula aeration opening.
A kind of film tube type bottom aerator specific work steps for oxidation ditch are as follows: apparatus of the present invention are being installed
Afterwards, air-flow is generated by aerator and aeration gas flow is conveyed through main aerated conduit, aeration gas flow flows through combined type exposure
Air film pipe simultaneously successively leads to hollow bearing, due to be equipped in hollow bearing connection it is each be aerated be in charge of be in charge of channel, firstly, inspection
Component is surveyed according to the oxygen content of sewage in oxidation ditch, required dissolved oxygen content is measured and by being aerated to extension type
Mouthful, resin telescopic mouth, and the rubber telescopic mouth that compound small size is adjusted are adjusted by large scale, aeration opening size is adjusted
Section, since aeration opening size is adjusted in extension type aeration opening, the combined type aeration membrane tube controlled from the bottom to top generates difference
Aeration rate slewing rate of the upper and lower combined type aeration membrane tube under aeration gas flow promotion is made by the difference of aeration rate
Different, formation chiasma type aeration gas flow, while the aeration gas flow that the combined type aeration membrane tube of lower layer generates are generated, through upper one layer
Combined type is aerated membrane tube rotation, effectively cuts and break up air-flow, further refines aeration gas flow size, it is made sufficiently to be dissolved to oxygen
Change in ditch, improve aeration efficiency, completes the work of oxidation ditch membrane tube.
Single aeration is in charge of length and is controlled in 120~150cm in the combined type aeration membrane tube.
The described combined type aeration membrane tube quantity can be arranged and be installed according to oxidation ditch size, specific installation parameter because
Control are as follows: it is 25~30cm, all aeration membrane tubes of combined type at two that overlap distance between being in charge of is aerated in combined type aeration membrane tube
Between can mutually rotate and not collide.
The rubber telescopic mouth is scalable having a size of 0.05mm and 0.08mm.
The resin telescopic mouth is scalable having a size of 0.1mm and 0.2mm.
The extension type aeration opening is in charge of side in aeration and is distributed as three rows, every row extension type aeration opening quantity altogether
It is 10, it is successively evenly distributed.
The extension type aeration opening is 2.8mm not adjusting rubber telescopic mouth and resin telescopic mouth state in aperture.
The aeration is in charge of to be connected by screw bolts in-between, can be adjusted aeration according to oxidation ditch size and is in charge of quantity
It is 6~8.
The detection part submergence is 550~600mm.
The present invention is compared with other methods, and advantageous effects are:
(1) in the technical solution of the present invention, use the membrane tube material of gas permeability for the main body of material, by its use process
In, micropopulation falls in the structural membrane or hydrophobic microporous barrier that its membrane tube material surface forms preparation, membrane material itself
Play the role of oxygen supply and biofilm carrier simultaneously, effectively avoids in aeration process with the volatile organic matter in water outlet, oxygen
It is entered in biomembrane under the effects of with nutrients respectively from the two sides of biomembrane in concentration difference, absorption, the film for oxygen transfer
The support carrier of apposition growth usually is provided for biomembrane at film liquid interface, at this moment apposition growth has the film of biomembrane to connect with oxygen source
Touching is close, and oxygen is directly transmitted on interface and is utilized in biology, in such biomembrane, the oxygen that is passed over from film
Pollution substrate in gas and the main body feed liquid for passing through biomembrane flows in a reverse direction, effectively improves biological respinse efficiency, into
One step improves the biological treatment performance of device prepared by the present invention；
(2) in the technical solution of the present invention, apparatus of the present invention generate air-flow and through main aerated conduit to aeration by aerator
Air-flow is conveyed, and monitors water oxygen level in real time by detection device and aeration quantity is effectively and timely detected and adjusted to it,
Simultaneously because aeration opening size is adjusted in extension type aeration opening, the combined type aeration membrane tube controlled from the bottom to top generates difference
Aeration rate slewing rate of the upper and lower combined type aeration membrane tube under aeration gas flow promotion is made by the difference of aeration rate
Different, formation chiasma type aeration gas flow, while the aeration gas flow that the combined type aeration membrane tube of lower layer generates are generated, through upper one layer
Combined type is aerated membrane tube rotation, effectively cuts and break up air-flow, further refines aeration gas flow size, it is made sufficiently to be dissolved to oxygen
Change in ditch, improves aeration efficiency, since the bubble diameter escaped from membrane tube is small while membrane tube, quantity is more, overcomes tradition
Membrane reactor material is larger, so that mass-transfer performance greatly improves, is conducive to further increase film to the control of dissolved oxygen in fermentation liquid
The efficiency that tube material is handled into oxidation ditch；
(3) in the technical solution of the present invention, the effect of membrane tube aeration can be adjusted in technical solution of the present invention according to oxidation ditch size
Rate improves the size of aeration hole, thus effectively according to the need of existing oxidation and aeration by simply dismounting the variation with hole
It asks and is changed, while disassembly maintenance can be significantly facilitated.
Detailed description of the invention
Fig. 1 is top view of the present invention for the film tube type bottom aerator of oxidation ditch.
Wherein, 1, oxidation ditch aeration pond；2, combined type is aerated membrane tube；3, extension type aeration opening；4, hollow bearing；5, it exposes
Gas connecting pipe；6, detection part；
Fig. 2 is the single aerator main view of film tube type bottom aerator that the present invention is used for oxidation ditch.
Wherein, 7, it is in charge of channel；8, main aerated conduit；9, aerator；12, aeration is in charge of；
Fig. 3 is the film tube type bottom aerator extension type aeration opening structural schematic diagram that the present invention is used for oxidation ditch.
Wherein, 3, extension type aeration opening；10, resin telescopic mouth；11, rubber telescopic mouth.
Specific embodiment
A kind of film tube type bottom aerator specific work steps for oxidation ditch are as follows: apparatus of the present invention are being installed
Afterwards, air-flow is generated by aerator and aeration gas flow is conveyed through main aerated conduit, aeration gas flow flows through combined type exposure
Air film pipe simultaneously successively leads to hollow bearing, due to be equipped in hollow bearing connection it is each be aerated be in charge of be in charge of channel, firstly, inspection
Component is surveyed according to the oxygen content of sewage in oxidation ditch, required dissolved oxygen content is measured and by being aerated to extension type
Mouthful, resin telescopic mouth, and the rubber telescopic mouth that compound small size is adjusted are adjusted by large scale, aeration opening size is adjusted
Section, since aeration opening size is adjusted in extension type aeration opening, the combined type aeration membrane tube controlled from the bottom to top generates difference
Aeration rate slewing rate of the upper and lower combined type aeration membrane tube under aeration gas flow promotion is made by the difference of aeration rate
Different, formation chiasma type aeration gas flow, while the aeration gas flow that the combined type aeration membrane tube of lower layer generates are generated, through upper one layer
Combined type is aerated membrane tube rotation, effectively cuts and break up air-flow, further refines aeration gas flow size, it is made sufficiently to be dissolved to oxygen
Change in ditch, improve aeration efficiency, completes the work of oxidation ditch membrane tube；Single aeration is in charge of length in the combined type aeration membrane tube
Control is in 120~150cm；The combined type aeration membrane tube quantity can be arranged and be installed according to oxidation ditch size, specifically
Installation parameter is because of control are as follows: it is 25~30cm, combined type institute at two that overlap distance between being in charge of is aerated in combined type aeration membrane tube
Have mutually rotate between aeration membrane tube and not collide；The rubber telescopic mouth it is scalable having a size of 0.05mm and
0.08mm；The resin telescopic mouth is scalable having a size of 0.1mm and 0.2mm；The extension type aeration opening is in aeration point
Pipe side is distributed as three rows altogether, and every row extension type aeration opening quantity is 10, successively evenly distributed；The extension type exposes
Port is 2.8mm not adjusting rubber telescopic mouth and resin telescopic mouth state in aperture；The aeration is in charge of to be adopted in-between
It is connected with, can be according to oxidation ditch size, adjusting aeration to be in charge of quantity is 6~8；The detection part submergence is
550~600mm.
Claims (10)
1. a kind of film tube type bottom aerator for oxidation ditch, which is characterized in that mainly include detection part (6) and combination
Formula is aerated membrane tube (2) composition, and combined type aeration membrane tube (2) is arranged according to corresponding interval, and it is wrong to be combined with each other formation
Pattern is fallen, in oxidation ditch aeration pond (1), is uniformly laid with combined type aeration membrane tube (2), is aerated membrane tube (2) in combined type
Initial place is combined, is equipped with aerator (9), aerator (9) passes through main aerated conduit (8) and combined type aeration membrane tube (2)
First combined type aeration membrane tube (2) equipment is attached, and is then passed sequentially through aeration connecting pipe (5) and is aerated by combined type
Pipeline between membrane tube (2) bottom is attached, and aeration connecting pipe (5) is mounted on combined type aeration membrane tube (2) bottom, in group
Box-like aeration membrane tube (2) has been sequentially distributed length from bottom to up and the identical aeration of bore is in charge of (12), is in charge of (12) in aeration
Surface wherein side, is distributed with extension type aeration opening (3), all extension type aeration openings (3) are distributed in aeration and are in charge of
(12) left side of vertical direction is mounted on detection part (6) on oxidation ditch aeration pond (1) surrounding pool wall, meanwhile, every
Installation by adhering has rubber telescopic mouth (11) and resin telescopic mouth (10) in one extension type aeration opening (3).
2. a kind of film tube type bottom aerator for oxidation ditch according to claim 1, which is characterized in that specific work
Make step are as follows: apparatus of the present invention generate air-flow and through main aerated conduit (8) to exposure after installation is complete, by aerator (9)
Gas air-flow is conveyed, and aeration gas flow flows through combined type aeration membrane tube (2) and successively leads to hollow bearing (4), due to hollow shaft
Be equipped with that each aeration of connection is in charge of (12) in holding is in charge of channel (7), firstly, detection part (6) is according to sewage in oxidation ditch
Oxygen content measures required dissolved oxygen content and by adjusting resin by large scale and stretching to extension type aeration opening (3)
Necking (10), and the rubber telescopic mouth (11) that compound small size is adjusted, are adjusted aeration opening size, since extension type exposes
Aeration opening size is adjusted in port (3), and combined type aeration membrane tube (2) controlled from the bottom to top generates different aeration rates,
By the difference of aeration rate, keep slewing rate generation of combined type aeration membrane tube (2) under aeration gas flow promotion up and down different,
Chiasma type aeration gas flow, while the aeration gas flow that combined type aeration membrane tube (2) of lower layer generates are formed, through upper one layer of combined type
It is aerated membrane tube (2) rotation, effectively cuts and break up air-flow, aeration gas flow size is further refined, it is made sufficiently to be dissolved to oxidation
In ditch, aeration efficiency is improved, completes the work of oxidation ditch membrane tube.
3. a kind of film tube type bottom aerator for oxidation ditch according to claim 1, it is characterised in that: described
Single aeration is in charge of the control of (12) length in 120~150cm in combined type aeration membrane tube (2).
4. a kind of film tube type bottom aerator for oxidation ditch according to claim 1, it is characterised in that: described
Combined type aeration membrane tube (2) quantity can be arranged and be installed according to oxidation ditch size, and specific installation parameter is because of control are as follows: combination
It is 25~30cm that aeration, which is in charge of between (12) overlap distance, in formula aeration membrane tube (2), at two all aeration membrane tubes (2) of combined type it
Between can mutually rotate and not collide.
5. a kind of film tube type bottom aerator for oxidation ditch according to claim 1, it is characterised in that: described
Rubber telescopic mouth (11) is scalable having a size of 0.05mm and 0.08mm.
6. a kind of film tube type bottom aerator for oxidation ditch according to claim 1, it is characterised in that: described
Resin telescopic mouth (10) is scalable having a size of 0.1mm and 0.2mm.
7. a kind of film tube type bottom aerator for oxidation ditch according to claim 1, it is characterised in that: described
Extension type aeration opening (3) is in charge of (12) side in aeration and is distributed as three rows altogether, and every row extension type aeration opening (3) quantity is 10
It is a, it is successively evenly distributed.
8. a kind of film tube type bottom aerator for oxidation ditch according to claim 1, it is characterised in that: described
Extension type aeration opening (3) is 2.8mm not adjusting rubber telescopic mouth (11) and resin telescopic mouth (10) state in aperture.
9. a kind of film tube type bottom aerator for oxidation ditch according to claim 1, it is characterised in that: described
Aeration is in charge of (12) and is connected by screw bolts in-between, can be according to oxidation ditch size, and adjusting aeration to be in charge of (12) quantity is 6~8
Root.
10. a kind of film tube type bottom aerator for oxidation ditch according to claim 1, it is characterised in that: described
Detection part (6) submergence be 550~600mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910510749.3A CN110104765A (en) | 2019-06-13 | 2019-06-13 | A kind of film tube type bottom aerator for oxidation ditch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910510749.3A CN110104765A (en) | 2019-06-13 | 2019-06-13 | A kind of film tube type bottom aerator for oxidation ditch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110104765A true CN110104765A (en) | 2019-08-09 |
Family
ID=67494987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910510749.3A Withdrawn CN110104765A (en) | 2019-06-13 | 2019-06-13 | A kind of film tube type bottom aerator for oxidation ditch |
Country Status (1)
| Country | Link |
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| CN (1) | CN110104765A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114873750A (en) * | 2022-06-20 | 2022-08-09 | 哈尔滨泽能环保科技有限公司 | Rural sewage treatment system and application thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4512895A (en) * | 1977-11-04 | 1985-04-23 | Reid John H | Pumpless clarifier apparatus and process for operation thereof in combination with a draft tube circulator/aerator |
| JPS61185393A (en) * | 1985-02-12 | 1986-08-19 | スミス アンド ラブレス インコーポレーテツド | Method and device for biological aerobic waste water treatment |
| CN102001744A (en) * | 2010-12-31 | 2011-04-06 | 重庆市渝西水务有限公司 | Integral Orbal oxidation ditch combination type aeration system |
| CN102786137A (en) * | 2012-08-30 | 2012-11-21 | 天津工业大学 | Membrane unit aeration structure |
| CN205999139U (en) * | 2016-06-28 | 2017-03-08 | 江苏国松环境科技开发有限公司 | Liftable aeration device |
| CN208617459U (en) * | 2018-05-11 | 2019-03-19 | 北京翰祺环境技术有限公司 | A kind of uniform aeration distribution apparatus for aeration biofilter with lightweight filter material |
-
2019
- 2019-06-13 CN CN201910510749.3A patent/CN110104765A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4512895A (en) * | 1977-11-04 | 1985-04-23 | Reid John H | Pumpless clarifier apparatus and process for operation thereof in combination with a draft tube circulator/aerator |
| JPS61185393A (en) * | 1985-02-12 | 1986-08-19 | スミス アンド ラブレス インコーポレーテツド | Method and device for biological aerobic waste water treatment |
| CN102001744A (en) * | 2010-12-31 | 2011-04-06 | 重庆市渝西水务有限公司 | Integral Orbal oxidation ditch combination type aeration system |
| CN102786137A (en) * | 2012-08-30 | 2012-11-21 | 天津工业大学 | Membrane unit aeration structure |
| CN205999139U (en) * | 2016-06-28 | 2017-03-08 | 江苏国松环境科技开发有限公司 | Liftable aeration device |
| CN208617459U (en) * | 2018-05-11 | 2019-03-19 | 北京翰祺环境技术有限公司 | A kind of uniform aeration distribution apparatus for aeration biofilter with lightweight filter material |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114873750A (en) * | 2022-06-20 | 2022-08-09 | 哈尔滨泽能环保科技有限公司 | Rural sewage treatment system and application thereof |
| CN114873750B (en) * | 2022-06-20 | 2023-10-10 | 哈尔滨泽能环保科技有限公司 | Rural sewage treatment system and application thereof |
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Application publication date: 20190809 |
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