CN107055638A - One kind perforation plug-in type aeration head - Google Patents
One kind perforation plug-in type aeration head Download PDFInfo
- Publication number
- CN107055638A CN107055638A CN201710193823.4A CN201710193823A CN107055638A CN 107055638 A CN107055638 A CN 107055638A CN 201710193823 A CN201710193823 A CN 201710193823A CN 107055638 A CN107055638 A CN 107055638A
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- China
- Prior art keywords
- plug
- perforate
- hook
- rubber
- cover plate
- 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.)
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Classifications
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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
- C02F1/00—Treatment of water, waste water, or sewage
-
- 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
- C02F3/20—Activated sludge processes using diffusers
- C02F3/201—Perforated, resilient plastic diffusers, e.g. membranes, sheets, foils, tubes, hoses
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
-
- 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)
- 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)
- Biodiversity & Conservation Biology (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
The invention discloses one kind perforation plug-in type aeration head；Including the perforate cover plate with hook, single hole rubber diaphragm, perforate socket and rubber sheet gasket with hook；Rubber diaphragm is placed in the locating slot of perforate cover plate, and rubber sheet gasket is enclosed on plug periphery, and in the stomata of the plug insertion perforation gas distribution pipe of the perforate socket with hook, the direct screening hook of perforate cover plate hooks the flat board on the perforate socket step with hook；Rubber diaphragm is clamped between cover plate and perforate socket top plate；The circular arc type hook of perforate socket with hook hooks the inwall of perforation gas distribution pipe through stomata；Rubber sheet gasket is located at the upper end of perforation gas distribution pipe.Compared with existing aerator, the present invention is installed using perforation plug-in type, and simple installation is quick, and repair and maintenance is convenient, and the bubble of release is small, rubber stomata anti-clogging, is adapted to the oxygenation of the gas flushing process in water process and the water processing establishment that need to be supplied.
Description
Technical field
The present invention relates to a kind of to water processing establishment gas flushing or the perforation plug-in type aeration head of oxygenic aeration, available for water
Treatment facility gas flushing, it can also be used to which oxygen needed for water microorganism in water processing establishment is provided.
Background technology
In the water processing establishment of plumbing field, the cleaning of water processing establishment often uses gas flushing, need to be blasted into facility
Substantial amounts of compressed air；In biological treatment facility, aerobic degradation water pollutant needs to consume oxygen, generally using exposure
Gas oxygen supply.Gas flushing or aeration oxygen supply both need uniform air distribution, prevent aeration head from blocking again.Gas is rushed in current water processing establishment
Wash or the conventional air feed equipment of oxygenic aeration has micro-hole aerator, single-hole membrane aerator, perforated pipe etc..
Tolerance used in gas flushing is typically larger than oxygen supply aeration quantity, therefore during gas flushing, generally using perforated pipe supply.
During being supplied using perforated pipe, in order to prevent blocking stomata, its aperture is typically no less than 5mm.But aperture is larger often to lead
Cause gas distribution not uniform enough.
Micro-hole aerator oxygen transfer efficiency is high, but its is complicated, and installation and repairing is inconvenient, and manufacturing cost is higher；
Single-hole membrane aerator air oxygen transfer efficiency is also higher, and is not easily blocked, but needs special pipeline when installing；Perforated pipe exposes
Gas is direct perforate, the method for allowing air to be discharged from hole on aerated conduit.This method is very easy, manufacturing cost
It is cheap, but air oxygen transfer efficiency is low, and aeration is difficult uniformly, and pore is easily blocked.
The content of the invention
The invention aims to solve the above problems there is provided one kind is simple and reasonable, sturdy and durable, letter is installed
Just, cheap, uniform air distribution is not easily blocked, and the bubble diameter of release is small, the perforation plug-in type aeration head of distribution greatly.
The present invention is achieved through the following technical solutions：
One kind perforation plug-in type aeration head, including inserted with the perforate cover plate linked up with, single hole rubber diaphragm, the perforate with hook
Seat and rubber sheet gasket；
Centre bore is provided with the middle part of the perforate cover plate, middle part lower end periphery is provided with locating slot, and edge is downwardly extending directly
Hook；
The center of the single hole rubber diaphragm is provided with a fenestra, and outer is O-shaped solid sealing ring；
It is flat board at the top of the perforate socket that the band is linked up with, the neighboring of flat board is provided with slotting along step, flat board middle part is provided with
Seat centre bore, the flat board lower end edge receptacle center hole circle spacing is uniformly provided with the plug of multiple circular arc types, and each circular arc type is inserted
Linked up with provided with circular arc type head bottom；
The rubber sheet gasket center is provided with through hole；
The rubber diaphragm is placed in the locating slot of perforate cover plate, and rubber sheet gasket is enclosed on plug periphery, with opening for hook
In the stomata of the plug insertion perforation gas distribution pipe of spring hole scoket, the direct screening hook of perforate cover plate is hooked on the perforate socket step with hook
Flat board；Rubber diaphragm is clamped between cover plate and perforate socket top plate；The circular arc type hook of perforate socket with hook
The inwall of perforation gas distribution pipe is hooked through stomata；Rubber sheet gasket is located at the upper end of perforation gas distribution pipe；
The aperture of the fenestra of the single hole rubber diaphragm is 1~3mm, and the aperture in receptacle center hole is 5~8mm.
Further to realize the object of the invention, it is preferable that the number of the plug of the circular arc type is 3.
Preferably, the aperture of the cover central hole is 9~10mm.
Preferably, it is described perforation gas distribution pipe on stomata aperture ratio plug the big 0.5mm of external diameter.
Preferably, the external diameter of the plug is more than 2~3mm of internal diameter of plug.
Preferably, the aperture in the rubber fenestra and receptacle center hole is respectively 2~3mm and 6~8mm.
Preferably, the aperture in the rubber fenestra and receptacle center hole is respectively 1~2mm and 5~7mm.
Rubber diaphragm of the present invention is placed in the locating slot of perforate cover plate, be clamped to cover plate and perforate socket top plate it
Between, and be installed in the stomata of perforated pipe；Rubber diaphragm center is provided with a rubber fenestra, and diaphragm outer is O-shaped solid sealing ring；
First rubber sheet gasket is enclosed on plug during installation, the perforation plug-in type aeration head assembled is forcibly inserted into stomata, by circle
The elastic force of arc plug makes hook clasp the lower edge of stomata, by the elastic force and the active force of hook of compression rubber sheet gasket, makes perforate
Socket can be gripping into the inwall of perforation gas distribution pipe；Rubber sheet gasket also has the air in sealing function, perforation gas distribution pipe basic
Via the outside outlet in receptacle center hole；During engineering operation, air is via the stomata on perforation gas distribution pipe, receptacle center hole, rubber
Fenestra, finally from cover central hole to external diffusion；When need to overhaul, cover plate hook is outwards broken into two with one's hands, you can by cover plate and rubber membrane
Piece is unloaded.Single hole rubber diaphragm center is provided with a diameter of 1~3mm aperture, and the aperture in receptacle center hole is 5~8mm, is formd
From big gas inlet hole, the progressive formation of aperture outlet can make uniform air distribution and prevent air-hole blockage.
The beneficial effects of the invention are as follows：During gas flushing when the perforation plug-in type aeration head cannot be only used for backwashing
Uniform gas distribution, it can also be used to oxygen supply is aerated into facility.Due to uniform air distribution from aperture outlet, can be made, and can be by increasing
The aperture in big receptacle center hole prevents air-hole blockage, supply when being particularly suitable for use in gas flushing in sewage biological treatment facility
Journey and aeration oxygen supply process.
The present invention compared with prior art, has the following advantages that and beneficial effect：
1st, it is simple and reasonable, installed using jack type, install, overhaul simplicity；
2nd, it is cheap, sturdy and durable；
3rd, the bubble diameter of release is small, distribution is big, uniform air distribution is good；
4th, the diameter of aeration connector can be increased to prevent air-hole blockage.
Brief description of the drawings
Fig. 1 is a kind of structural representation for plug-in type aeration head of perforating of the present invention.
Fig. 2 is Fig. 1 explosive view.
Fig. 3 is the top view of perforate cover plate in Fig. 1.
Fig. 4 is the top view of single hole rubber diaphragm in Fig. 1.
Fig. 5 is the top view of the perforate socket with hook in Fig. 1.
Fig. 6 is present invention perforation plug-in type aeration head working state schematic representation.
Shown in figure：Perforate cover plate 1, single hole rubber diaphragm 2, the perforate socket 3 with hook, rubber sheet gasket 4, perforation gas distribution
It is pipe 5, cover central hole 6, fenestra 7, receptacle center hole 8, stomata 9, locating slot 10, direct screening hook 11, O-shaped solid sealing ring 12, flat
Plate 13, plug 14, circular arc type hook 15.
Embodiment
As depicted in figs. 1 and 2, a kind of perforation plug-in type aeration head, including the perforate cover plate 1 with hook, single hole rubber membrane
Piece 2, perforate socket 3 and rubber sheet gasket 4 with hook.
As Figure 1-3, the middle part of perforate cover plate 1 is provided with centre bore 6, and middle part lower end periphery is provided with locating slot 10, edge to
Lower extension forms direct screening hook 11.
As shown in Fig. 1,2 and 4, the center of single hole rubber diaphragm 2 is provided with a fenestra 7, and outer is O-shaped solid sealing ring 12.
As shown in Fig. 1,2 and 5, the top of perforate socket 3 with hook is flat board 13, and the neighboring of flat board 13 is along provided with platform
Rank, the middle part of flat board 13 is provided with receptacle center hole 8, and the circle spacing of 13 lower end edge receptacle center hole of flat board 8 is uniformly provided with multiple circular arcs
The plug 14 of type, the bottom of plug 14 of each circular arc type is provided with circular arc type hook 15；It is preferred that the number of the plug 14 of circular arc type is 3
It is individual.
As illustrated in fig. 1 and 2, the center of rubber sheet gasket 4 is provided with through hole.
As shown in figures 1 to 6, rubber diaphragm 2 is placed in the locating slot 10 of perforate cover plate 1, and rubber sheet gasket 4 is enclosed on plug 14
On periphery, in the stomata 9 of the insertion perforation gas distribution pipe 5 of plug 14 of the perforate socket 3 with hook, the direct screening hook 11 of perforate cover plate 1
Hook the flat board 13 on the step of perforate socket 3 with hook；Rubber diaphragm 2 is clamped to cover plate 1 and perforate socket top plate 13
Between；The circular arc type hook 15 of perforate socket 3 with hook hooks the inwall of perforation gas distribution pipe 5 through stomata 9；Rubber sheet gasket 4
Positioned at the upper end of perforation gas distribution pipe 5.The aperture of the fenestra 7 of single hole rubber diaphragm is 1~3mm, and the aperture in receptacle center hole 8 is 5
~8mm；The aperture of cover central hole 6 is 9~10mm.
During installation, first rubber sheet gasket 4 is enclosed on plug 14, the plug 14 of perforate socket 3 that the band assembled is linked up with is used
In the stomata 9 of power insertion perforation gas distribution pipe 5, circular arc type is set to link up with 15 lower edges for clasping stomata 9 by the elastic force of circular arc plug 14,
15 active force is linked up with by the elastic force and circular arc type of compression rubber sheet gasket 4, the perforate socket 3 with hook is gripping into and wears
The inwall of hole gas distribution pipe 5；Rubber sheet gasket 4 also has the air in sealing function, perforation gas distribution pipe 5 basic via receptacle center hole
8 outside outlets.
The bottom of perforate socket 3 with hook is the plug 14 of 3 circular arc types, and the internal diameter of plug 14 is receptacle center hole 8
Aperture, the outlet passageway for the perforate socket that centre bore 8 is linked up with for whole band, the size in its aperture and the internal diameter phase of plug 14
Together；The lower end of plug 14 is band circular arc type hook 15, and the internal diameter of circular arc type hook 15 refers to the wall thickness for not including material in itself, external diameter
Thickness including material, more than 2~3mm of internal diameter of plug 14；The external diameter of the aperture ratio plug 14 of stomata 9 on perforation gas distribution pipe 5
Big 0.5mm.
Centre bore 6 is provided with perforate cover plate 1, two cornices have hook 11, during installation with hand by cover plate 1 together with rubber diaphragm 2
Alignment socket centre bore 8 is firmly down pressed, and inserts the perforate that the direct screening hook 11 on perforate cover plate clasps the perforate socket 3 with hook
The seat lower edge of top plate 13, causes perforate cover plate 1 together with rubber by the elastic force of compression rubber diaphragm 2 and the active force of direct screening hook 11
Diaphragm 2 is gripping on socket head slab 13, and air is via the stomata 9 on perforation gas distribution pipe, receptacle center hole 8, rubber fenestra
7, finally from cover central hole 6 to external diffusion；During maintenance, direct screening hook 11 is outwards broken into two with one's hands, you can by perforate cover plate 1 and single hole rubber
Glue film 2 is unloaded.
The perforation plug-in type aeration head can be used for the supply process and aeration into sewage biological treatment facility during gas flushing
Oxygen supply process, the size for being differently depending on rubber fenestra and receptacle center hole aperture of its purposes.The pore diameter range of rubber fenestra 7
Typically between 1~3mm, the pore diameter range correspondence in receptacle center hole 8 is between 5~8mm；During using perforated pipe gas distribution, its hole
Footpath requires to be not less than 5mm.Washed when being carried out gas to water processing establishment, required rubber fenestra 7 and the aperture of receptacle center hole 8 are larger,
Respectively 2~3mm and 6~8mm, therefore can be used for gas flushing process when using larger aperture；And be to ensure higher coefficient of oxygen utilization,
It is required that bubble diameter is sufficiently small, therefore during using smaller aperture due, respectively 1~2mm and 5~6mm, the perforation plug-in type aeration head
Suitable for carrying out oxygenic aeration to water processing establishment.
The present invention work when, air via perforation gas distribution pipe 5 on stomata 9, receptacle center hole 8, rubber fenestra 7, finally
From cover central hole 6 to external diffusion；Compressed air passes through the tiny diameter in center on single hole rubber diaphragm 2 through receptacle center hole 8
For 1~3mm rubber fenestra 7, continuously outflowed in micro-bubble shape, because the outer of single hole rubber diaphragm 2 is O-shaped solid sealing
Circle, can form uniform air cushion layer, and air is in turbulent condition herein, therefore under pressure, in the compression of turbulent condition
Air is flowed out by rubber fenestra 7, can form large range of fan-shaped micro-bubble stream；Eventually through the center of perforate cover plate 1
Circular hole 6 enter pond in so that during gas flushing or aeration uniform air distribution, backwash or aeration effect it is good.
Because the center hole 6 and the diameter ratio of receptacle center hole 8 of perforate cover plate 1 are larger, therefore it is difficult to be blocked；Work as air supply pipe
When air in road is entrained with small solid particle and blocks the small rubber fenestra 7 in the center of single hole rubber diaphragm 2, the sky at this
Atmospheric pressure becomes rapidly big, the aperture of rubber fenestra 7 is supportted therewith greatly, is arrived when the aperture support of rubber fenestra 7 is big than impurity particle grain
When footpath is slightly larger, impurity particle can be just brought into water by compressed air stripping, and now single hole rubber diaphragm 2 recovers normal work again
State, therefore, the rubber fenestra 7 of single hole rubber diaphragm 2 are not easily blocked.Therefore entirely the effect of perforation plug-in type aeration head is to make gas
Uniform air distribution when rinsing or being aerated, and be difficult to be blocked.
Micro-hole aerator oxygen transfer efficiency is high in the prior art, but its is complicated, and installation and repairing is inconvenient, and manufacture
Cost is higher；
Single-hole membrane aerator air oxygen transfer efficiency is also higher, and is not easily blocked, and is not afraid of Biohaydite filter material heap pressure, still
Its structure is special, and special pipeline is needed during installation；
Perforated pipe aerating regulation is direct perforate, the method for allowing air to be discharged from hole on aerated conduit.This method
Very easy, manufacturing cost is cheap, but air oxygen transfer efficiency is low, and aeration is difficult uniformly, and pore is easily blocked.
Compared to three of the above aeration, the present invention is simple in construction, and installation and repairing is convenient, and the bubble diameter of release is small, distribution
Scope is big, and is not easily blocked, and oxygen transfer efficiency is higher, cheap, embodies as follows：
(1) aeration head of the present invention is arranged among the stomata of original perforated pipe, it is not necessary to extra Building Model of Special Fittings, structure letter
It is single；Installed using plug-in type, installation and repairing is convenient and cheap；
(2) aeration head single hole rubber diaphragm membrane pore size of the present invention is smaller, and aeration is uniform and is not easily blocked；
(3) aeration head of the present invention can form uniform using single hole rubber diaphragm and O-shaped solid sealing ring design during aeration
Air cushion layer.Under pressure, it is in micro-bubble by the tiny fenestra in rubber diaphragm center in the compressed air of turbulent condition
Shape is continuously outflowed, and forms large range of fan-shaped micro-bubble stream, and oxygen transfer efficiency is high.
Claims (7)
1. one kind perforation plug-in type aeration head, it is characterised in that：Hung including the perforate cover plate with hook, single hole rubber diaphragm, band
The perforate socket and rubber sheet gasket of hook；
Centre bore is provided with the middle part of the perforate cover plate, middle part lower end periphery is provided with locating slot, and edge is downwardly extending direct screening hook；
The center of the single hole rubber diaphragm is provided with a fenestra, and outer is O-shaped solid sealing ring；
It is flat board at the top of the perforate socket of the band hook, the neighboring edge of flat board, which is provided with the middle part of step, flat board, to be provided with socket
Heart hole, the flat board lower end edge receptacle center hole circle spacing is uniformly provided with the plug of multiple circular arc types, the plug bottom of each circular arc type
Linked up with provided with circular arc type in portion；
The rubber sheet gasket center is provided with through hole；
The rubber diaphragm is placed in the locating slot of perforate cover plate, and rubber sheet gasket is enclosed on plug periphery, and the perforate with hook is inserted
In the stomata of the plug insertion perforation gas distribution pipe of seat, the direct screening hook of perforate cover plate hooks putting down on the perforate socket step with hook
Plate；Rubber diaphragm is clamped between cover plate and perforate socket top plate；With hook perforate socket circular arc type hook through
Stomata hooks the inwall of perforation gas distribution pipe；Rubber sheet gasket is located at the upper end of perforation gas distribution pipe；
The aperture of the fenestra of the single hole rubber diaphragm is 1~3mm, and the aperture in receptacle center hole is 5~8mm.
2. plug-in type aeration head of perforating according to claim 1, it is characterised in that the number of the plug of the circular arc type is 3
It is individual.
3. according to claim 1 perforate plug-in type aeration head, it is characterised in that the aperture of the cover central hole be 9~
10mm。
4. plug-in type aeration head of perforating according to claim 1, it is characterised in that the aperture of stomata on the perforation gas distribution pipe
Than the big 0.5mm of external diameter of plug.
5. plug-in type aeration head of perforating according to claim 1, it is characterised in that the external diameter of the plug is more than the interior of plug
2~3mm of footpath.
6. plug-in type aeration head of perforating according to claim 1, it is characterised in that the rubber fenestra and receptacle center hole
Aperture is respectively 2~3mm and 6~8mm.
7. plug-in type aeration head of perforating according to claim 1, it is characterised in that the rubber fenestra and receptacle center hole
Aperture is respectively 1~2mm and 5~7mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710193823.4A CN107055638B (en) | 2017-03-28 | 2017-03-28 | Perforated plug-in type aeration head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710193823.4A CN107055638B (en) | 2017-03-28 | 2017-03-28 | Perforated plug-in type aeration head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107055638A true CN107055638A (en) | 2017-08-18 |
| CN107055638B CN107055638B (en) | 2020-06-19 |
Family
ID=59618253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710193823.4A Active CN107055638B (en) | 2017-03-28 | 2017-03-28 | Perforated plug-in type aeration head |
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| Country | Link |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101045590A (en) * | 2007-04-30 | 2007-10-03 | 华南理工大学 | Film-type boring aeration pipe |
| US20090301952A1 (en) * | 2004-05-28 | 2009-12-10 | Udo Meyer | Device for fixing a perforated aeration membrane |
| JP2011177694A (en) * | 2010-03-04 | 2011-09-15 | Kubota Corp | Air diffusing pipe and air diffuser |
| CN203855462U (en) * | 2014-05-26 | 2014-10-01 | 江苏裕隆环保有限公司 | Novel rubber diaphragm aerator |
| CN105776509A (en) * | 2016-04-01 | 2016-07-20 | 江苏荆溪环保设备有限公司 | Novel disc type micro-pore aerator |
| CN205603333U (en) * | 2016-04-01 | 2016-09-28 | 江苏荆溪环保设备有限公司 | Rubber tubular microporous aerator |
-
2017
- 2017-03-28 CN CN201710193823.4A patent/CN107055638B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090301952A1 (en) * | 2004-05-28 | 2009-12-10 | Udo Meyer | Device for fixing a perforated aeration membrane |
| CN101045590A (en) * | 2007-04-30 | 2007-10-03 | 华南理工大学 | Film-type boring aeration pipe |
| JP2011177694A (en) * | 2010-03-04 | 2011-09-15 | Kubota Corp | Air diffusing pipe and air diffuser |
| JP5349370B2 (en) * | 2010-03-04 | 2013-11-20 | 株式会社クボタ | Air diffuser and diffuser |
| CN203855462U (en) * | 2014-05-26 | 2014-10-01 | 江苏裕隆环保有限公司 | Novel rubber diaphragm aerator |
| CN105776509A (en) * | 2016-04-01 | 2016-07-20 | 江苏荆溪环保设备有限公司 | Novel disc type micro-pore aerator |
| CN205603333U (en) * | 2016-04-01 | 2016-09-28 | 江苏荆溪环保设备有限公司 | Rubber tubular microporous aerator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107055638B (en) | 2020-06-19 |
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