CN207259229U - A kind of automatic aeration system for membrane bioreactor - Google Patents
A kind of automatic aeration system for membrane bioreactor Download PDFInfo
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- CN207259229U CN207259229U CN201721271474.5U CN201721271474U CN207259229U CN 207259229 U CN207259229 U CN 207259229U CN 201721271474 U CN201721271474 U CN 201721271474U CN 207259229 U CN207259229 U CN 207259229U
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- gas
- distributing pipe
- aeration
- pipe
- membrane bioreactor
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- 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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- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
The utility model discloses a kind of automatic aeration system for membrane bioreactor, including air blower, aeration supervisor, gas-distributing pipe road, multiple aeration branch pipes, gas-distributing pipe road includes the outer gas-distributing pipe of a circle, the interior gas-distributing pipe in " ten " font, interior gas-distributing pipe outer end is connected with outer gas-distributing pipe, multiple aeration branch pipes are respectively arranged between outer gas-distributing pipe and interior gas-distributing pipe, gas-distributing pipe road is arranged in reaction tank and side opening eye is provided with multiple diaphragms lower section, each aeration branch pipe side wall, is provided with bottom outlet eye on bottom wall；One end is connected aeration supervisor with interior gas-distributing pipe centre bottom, the other end is connected with air blower, electric control valve, flow sensor, pressure sensor are provided with aeration supervisor, liquid level sensor is additionally provided with reaction tank, air blower, electric control valve, flow sensor, pressure sensor, liquid level sensor are electrically connected with the controller respectively.The utility model advantage：Compact-sized, aeration is evenly distributed, and the degree of automation is high, good energy-conserving effect.
Description
Technical field
It the utility model is related to a kind of automatic aeration system for membrane bioreactor.
Background technology
Membrane bioreactor (Membrane Bio-Reactor, MBR) is that have membrane separation technique and biologic treating technique
The sewage disposal new method that machine combines, biochemical efficiency height good and stable with effluent quality, easily realization are automatically controlled, run
Many advantages, such as easy to operate.For the sewage disposal system using Biological Contact Oxidation Process method, from oxidation pond
Water outlet is filtered in MBR reaction tanks after aerobic microbiological fully degraded by membrane module (including multiple diaphragms), reaches high
Effect degraded and the effect of separation of solid and liquid.During operation, suction pump is aspirated by the water outlet of diaphragm, hollow inside diaphragm
Negative pressure is formed in hole, and is subject to the positive hydraulic pressure of sewage outside film, clear water passes through in membrane surface micropore permeation to hollow-fibre membrane
Portion, then by outlet pipe, finally enter in middle pond.Due to the efficient crown_interception of diaphragm, activated sludge can be effectively retained
To realize deep purification of waste water；The larger molecular organics for being difficult to degrade for the moment can be retained at the same time, are extended its residence time, are allowed to
Decomposed to greatest extent.
With the increase of running time, the sludge of MBR membrane surfaces is constantly accumulated, filtration resistance is added, so will be
MBR reaction tanks bottom is aerated, and diaphragm is washed away incessantly, is lumpd to prevent sludge in membrane surface so as to cause to block up
Plug；Meanwhile to being vigorously stirred and being oxygenated in reaction tank, sludge activity is kept, strengthen the metabolism of microorganism so as to disappear
Consume the organic matter in waste water.Traditional aeration mode generally uses boring aeration, is drilled with aerating pipelines some linearly aligned small
Hole, gas overflow to form minute bubbles by aperture, and turbulent flow is formed in uphill process and is cleaned so as to be formed to membrane surface.But
In actual application, due to aerating pipelines and the design defect of perforation means, easy appearance aeration is uneven, eyelet blocks,
The problems such as high energy consumption, so as to influence the stable operation of MBR membrane modules.With the development of MBR technology, intermission aeration mode obtains
More and more applications, but the valve switch of such a aeration mode is frequent, cause valve wear larger, and pipeline is often in
Build the pressure state, so as to reduce the service life of equipment, adds the operating cost and maintenance difficulties in later stage.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, there is provided it is a kind of for membrane bioreactor from
Pneumatic aeration system, to be effectively improved the problems such as aeration that occurs in existing aeration mode is uneven, eyelet blocks, high energy consumption.
The utility model is achieved through the following technical solutions：
A kind of automatic aeration system for membrane bioreactor, the membrane bioreactor include reaction tank and are arranged at
Multiple diaphragms in reaction tank, the automatic aeration system include air blower, aeration supervisor, gas-distributing pipe road, multiple aeration branch pipes,
The gas-distributing pipe road includes an outer gas-distributing pipe of circle, the interior gas-distributing pipe in " ten " font in outer gas-distributing pipe, described interior to divide gas
Pipe outer end is connected with outer gas-distributing pipe, and the multiple aeration branch pipe is respectively arranged between outer gas-distributing pipe and interior gas-distributing pipe, and often
A aeration branch pipe both ends are connected with outer gas-distributing pipe and interior gas-distributing pipe respectively, and the gas-distributing pipe road is arranged in reaction tank and is located at
Below the multiple diaphragm, side opening eye is provided with each aeration branch pipe side wall, is provided with bottom outlet eye on bottom wall；The aeration supervisor one
End is stretched into the reaction tank and is connected with interior gas-distributing pipe centre bottom, and the aeration supervisor other end stretches out the reaction tank
It is connected outside and with air blower, the aeration supervisor is provided with electric control valve, flow on one section close to the air blower
Sensor, pressure sensor, liquid level sensor is additionally provided with the reaction tank, and the air blower, electric control valve, flow pass
Sensor, pressure sensor, liquid level sensor are electrically connected with the controller respectively.
Further, the water outlet of the multiple diaphragm is connected with the corresponding water pipe that separates respectively, multiple to separate outside water pipe
End is summarised in a total outlet pipe, and the total outlet pipe outer end is equipped with a suction pump.
Further, the outer gas-distributing pipe and interior gas-distributing pipe surround sphere of movements for the elephants shape jointly.
Further, the gas-distributing pipe road is supported in reaction tank by multiple supporting racks.
Further, the gas-distributing pipe route 12 points of gas straight tubes, a five-way pipe joint, four tee pipe couplings and
Four right angle bent sub connection compositions, the five-way pipe joint are located at interior gas-distributing pipe center, the bottom of the five-way pipe joint
Connector is connected with aeration supervisor, remaining four connector of the five-way pipe joint are connected with corresponding point of gas straight tube respectively.
Further, described to divide gas straight tube caliber identical with aeration supervisor's caliber, the aeration branch pipe caliber is less than and divides gas
Straight tube caliber.
Further, the bottom eye diameter is more than side eye diameter.
Further, the interior gas-distributing pipe includes the first inner tube extended along the longitudinal direction and extends in left-right direction
The second inner tube, the multiple aeration branch pipe is opposite relative to the symmetrical distribution of the first inner tube, the multiple aeration branch pipe
In the second inner tube in front and rear symmetrical.
The utility model has the following advantages compared with prior art：
A kind of automatic aeration system for membrane bioreactor provided by the utility model, its gas-distributing pipe road and aeration branch
Manage compact-sized, aeration is evenly distributed, and not only improves aeration effect and effluent characteristics, but also has effectively delayed the dirt of diaphragm
Dye.Meanwhile it is provided with side opening eye and bottom outlet eye on each aeration branch pipe, sludge blockage eyelet and pipeline effectively prevent
Phenomenon.In addition, the utility model realizes being precisely controlled for MBR process procedures by controller, the degree of automation is high, not only protects
The stability of aerating system is demonstrate,proved, and energy-saving effect is good.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the top view on the gas-distributing pipe road of the utility model；
Fig. 3 is the schematic cross-section of the aeration branch pipe of the utility model.
Figure label：1 air blower, 2 electric control valves, 3 flow sensors, 4 pressure sensors, 5 aeration supervisors, 6 points of gas
Pipeline, 7 aeration branch pipes, 8 supporting racks, 9 diaphragms, 10 separate water pipe, 11 suction pumps, 12 liquid level sensors, 13 controllers, 14 reactions
Pond, 6a divide gas straight tube, 6b five-way pipe joints, 6c tee pipe couplings, 6d right angles bent sub, 7a side opening eyes, 7b bottom outlet eyes.
Embodiment
Elaborate below to the embodiment of the utility model, the present embodiment using technical solutions of the utility model before
Put and implemented, give detailed embodiment and specific operating process, but the scope of protection of the utility model is unlimited
In following embodiments.
Referring to Fig. 1 to Fig. 3, present embodiment discloses a kind of automatic aeration system for membrane bioreactor, film biology
Reactor includes reaction tank 14 and multiple diaphragms 9 for being arranged in reaction tank, the water outlets of multiple diaphragms 9 respectively with corresponding point
Outlet pipe 10 connects, and multiple 10 outer ends of water pipe that separate are summarised in a total outlet pipe, and total outlet pipe outer end is equipped with a suction
Pump 11.
Automatic aeration system includes air blower 1, aeration supervisor 5, gas-distributing pipe road 6, multiple aeration branch pipes 7, and gas-distributing pipe road 6 is wrapped
Include a circle outer gas-distributing pipe, the interior gas-distributing pipe in " ten " font in outer gas-distributing pipe, interior gas-distributing pipe outer end and outer gas-distributing pipe phase
Connection, gas-distributing pipe road 6 is supported in reaction tank 14 by multiple supporting racks 8.Outer gas-distributing pipe and interior gas-distributing pipe surround in " field " jointly
Font, gas-distributing pipe road 6 is by 12 points of gas straight tube 6a, a five-way pipe joint 6b, four tee pipe coupling 6c and four right angles
Bent sub 6d connections form, and five-way pipe joint 6b is located at interior gas-distributing pipe center, the bottom fitting and aeration of five-way pipe joint 6b
The connection of supervisor 5, remaining four connector of five-way pipe joint 6b are connected with corresponding point of gas straight tube 6a respectively.
Multiple aeration branch pipes 7 are respectively arranged between outer gas-distributing pipe and interior gas-distributing pipe, and each 7 both ends of aeration branch pipe difference
It is connected with outer gas-distributing pipe and interior gas-distributing pipe, divides gas straight tube 6a calibers identical with aeration 5 calibers of supervisor, 7 caliber of aeration branch pipe is small
In dividing gas straight tube 6a calibers.Interior gas-distributing pipe includes the first inner tube extended along the longitudinal direction and extend in left-right direction the
Two inner tubes, the multiple aeration branch pipe 7 is relative to the symmetrical distribution of the first inner tube, and multiple aeration branch pipes 7 are relative to second
Inner tube is in front and rear symmetrical.Gas-distributing pipe road 6 is arranged in reaction tank 14 and positioned at multiple lower sections of diaphragm 9, each aeration branch pipe 7
Multiple side opening eye 7a are uniformly provided with side wall, are uniformly provided with multiple bottom outlet eye 7b on bottom wall, bottom outlet eye 7b diameters are more than side opening eye
7a diameters.
Aeration supervisor stretches into reaction tank 14 and is connected with interior gas-distributing pipe centre bottom in 5 one end, aeration 5 other ends of supervisor
Stretch out outside reaction tank 14 and be connected with air blower 1, aeration supervisor 5 is provided with motorized adjustment on one section close to air blower 1
Valve 2, flow sensor 3, pressure sensor 4, are additionally provided with liquid level sensor 12, air blower 1, electric control valve in reaction tank 14
2nd, flow sensor 3, pressure sensor 4, liquid level sensor 12 are electrically connected with controller 13 respectively, which controls for PLC
Device processed.
When liquid level reaches the peak level of PLC controller setting in reaction tank 14,13 control and suck of controller pump
11 start, electric control valve 2 carries out high intensity aeration into maximum opening, air blower 1 with high-frequency (such as 40HZ).Suction pump 11
During drawing water, clear water is penetrated into inside hollow-fibre membrane by 9 surface micropore of diaphragm, then by separating water pipe 10, is finally passed through
During middle outlet pipe enters in pond；Due to the efficient crown_interception of diaphragm 9, sludge can be adsorbed on 9 surface of diaphragm, and height at this time
Intensity aeration causes side opening eye 7a and the equal outlets of bottom outlet eye 7b on aeration branch pipe 7, turbulence level enhancing, to adsorbing in diaphragm 9
The sludge on surface is washed away, and prevents 9 surface of diaphragm to be blocked to keep the permeability of diaphragm 9；Meanwhile high intensity aeration can be right
Washed away inside aeration branch pipe 7 and the pipeline on gas-distributing pipe road 6, the aperture of 7 bottom outlet eye 7b of aeration branch pipe is big compared with side opening eye 7a, has
Gone out beneficial to sludge from bottom outlet eye 7b, so as to effectively prevent the phenomenon of sludge blockage eyelet and pipeline.
When liquid level reaches the lowest water level of PLC controller setting in reaction tank 14, controller control and suck pump stops
Only work, motorized adjustment valve opening is decreased to 50%, frequency conversion air blower carries out low intensity aeration with low frequency (such as 20HZ).This
When, there was only side opening eye 7a aerations since aeration intensity is low, on aeration branch pipe 7, turbulence level weakens, and is keeping sludge activity and punching
While brush 9 surface of diaphragm, energy saving requirement has been taken into account.
Automatic aeration system structure provided in this embodiment is compact, and aeration is evenly distributed, and the degree of automation is high, energy-saving effect
Well.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all in this practicality
All any modification, equivalent and improvement made within new spirit and principle etc., should be included in the guarantor of the utility model
Within the scope of shield.
Claims (8)
1. a kind of automatic aeration system for membrane bioreactor, the membrane bioreactor includes reaction tank (14) and sets
In multiple diaphragms (9) in reaction tank, it is characterised in that：The automatic aeration system include air blower (1), aeration supervisor (5),
Gas-distributing pipe road (6), multiple aeration branch pipes (7), the gas-distributing pipe road (6) include the outer gas-distributing pipe of a circle, in outer gas-distributing pipe
In the interior gas-distributing pipe of " ten " font, the interior gas-distributing pipe outer end is connected with outer gas-distributing pipe, and the multiple aeration branch pipe (7) is respectively
Be arranged between outer gas-distributing pipe and interior gas-distributing pipe, and each aeration branch pipe (7) both ends respectively with outer gas-distributing pipe and interior gas-distributing pipe phase
Connection, the gas-distributing pipe road (6) are arranged in reaction tank (14) and below the multiple diaphragm (9), each aeration branch pipe
(7) side opening eye (7a) is provided with side wall, is provided with bottom outlet eye (7b) on bottom wall；The reaction is stretched into described aeration supervisor (5) one end
It is connected in pond (14) and with interior gas-distributing pipe centre bottom, described aeration supervisor (5) other end stretches out the reaction tank (14) outside
And be connected with air blower (1), the aeration supervisor (5) is provided with motorized adjustment on one section close to the air blower (1)
Valve (2), flow sensor (3), pressure sensor (4), the reaction tank (14) is interior to be additionally provided with liquid level sensor (12), described
Air blower (1), electric control valve (2), flow sensor (3), pressure sensor (4), liquid level sensor (12) respectively with control
Device (13) is electrically connected.
A kind of 2. automatic aeration system for membrane bioreactor as claimed in claim 1, it is characterised in that：It is the multiple
The water outlet of diaphragm (9) separates water pipe (10) connection with corresponding respectively, and multiple water pipe (10) outer ends that separate are summarised in one always
On outlet pipe, the total outlet pipe outer end is equipped with a suction pump (11).
A kind of 3. automatic aeration system for membrane bioreactor as claimed in claim 1, it is characterised in that：Described outer point
Tracheae and interior gas-distributing pipe surround sphere of movements for the elephants shape jointly.
A kind of 4. automatic aeration system for membrane bioreactor as claimed in claim 1, it is characterised in that：Described point of gas
Pipeline (6) is supported in reaction tank (14) by multiple supporting racks (8).
A kind of 5. automatic aeration system for membrane bioreactor as claimed in claim 3, it is characterised in that：Described point of gas
Pipeline (6) is by 12 points of gas straight tubes (6a), a five-way pipe joint (6b), four tee pipe couplings (6c) and four quarter bends
Connector (6d) connection composition, the five-way pipe joint (6b) are located at interior gas-distributing pipe center, the bottom of the five-way pipe joint (6b)
Portion's connector is connected with aeration supervisor (5), remaining four connector of the five-way pipe joint (6b) respectively with corresponding point of gas straight tube
(6a) is connected.
A kind of 6. automatic aeration system for membrane bioreactor as claimed in claim 5, it is characterised in that：Described point of gas
Straight tube (6a) caliber is identical with aeration supervisor's (5) caliber, and aeration branch pipe (7) caliber is less than and divides gas straight tube (6a) caliber.
A kind of 7. automatic aeration system for membrane bioreactor as claimed in claim 1, it is characterised in that：The bottom outlet
Eye (7b) diameter is more than side opening eye (7a) diameter.
A kind of 8. automatic aeration system for membrane bioreactor as claimed in claim 1, it is characterised in that：Divide in described
Tracheae includes the first inner tube extended along the longitudinal direction and the second inner tube extended in left-right direction, the multiple aeration branch
(7) are managed relative to the symmetrical distribution of the first inner tube, the multiple aeration branch pipe (7) is relative to the second inner tube in front and rear symmetrical
Distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721271474.5U CN207259229U (en) | 2017-09-29 | 2017-09-29 | A kind of automatic aeration system for membrane bioreactor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721271474.5U CN207259229U (en) | 2017-09-29 | 2017-09-29 | A kind of automatic aeration system for membrane bioreactor |
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| Publication Number | Publication Date |
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| CN207259229U true CN207259229U (en) | 2018-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721271474.5U Active CN207259229U (en) | 2017-09-29 | 2017-09-29 | A kind of automatic aeration system for membrane bioreactor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108751401A (en) * | 2018-06-22 | 2018-11-06 | 北京碧水源科技股份有限公司 | A kind of MBR process integrations blower system and its operation method |
| CN109650532A (en) * | 2019-02-14 | 2019-04-19 | 安吉国千环境科技有限公司 | A kind of unpowered rotation aeration plate for sewage treatment |
-
2017
- 2017-09-29 CN CN201721271474.5U patent/CN207259229U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108751401A (en) * | 2018-06-22 | 2018-11-06 | 北京碧水源科技股份有限公司 | A kind of MBR process integrations blower system and its operation method |
| CN108751401B (en) * | 2018-06-22 | 2020-12-22 | 北京碧水源科技股份有限公司 | MBR (membrane bioreactor) combined process air blowing system and operation method thereof |
| CN109650532A (en) * | 2019-02-14 | 2019-04-19 | 安吉国千环境科技有限公司 | A kind of unpowered rotation aeration plate for sewage treatment |
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