CN207608464U - The device of inversion A AO+MBR integrated sewage disposals - Google Patents

The device of inversion A AO+MBR integrated sewage disposals Download PDF

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Publication number
CN207608464U
CN207608464U CN201721576572.XU CN201721576572U CN207608464U CN 207608464 U CN207608464 U CN 207608464U CN 201721576572 U CN201721576572 U CN 201721576572U CN 207608464 U CN207608464 U CN 207608464U
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China
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mbr
pond
anaerobic pond
inversion
mbr membrane
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CN201721576572.XU
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Inventor
张宜伟
李会元
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China Gezhouba Dam Group Water Operation Co., Ltd.
Gezhouba Shuiwu Ziboshan Co., Ltd.
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China Gezhouba Dam Group Water Operation Co Ltd
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Abstract

The utility model discloses a kind of devices of inversion A AO+MBR integrated sewage disposals, it includes sequentially connected anoxic pond, anaerobic pond, MBR membrane cisternas and equipment room;The anoxic pond is connected to sewage water inlet pipe respectively far from anaerobic pond side outer wall bottom and anaerobic pond bottom surface, the anoxic pond is connected to anaerobic pond by diversion pipe, and diversion pipe gos deep into anaerobic pond bottom, it is connected to by anaerobism overflow pipe between the anaerobic pond and MBR membrane cisternas, MBR membrane cisternas bottom is provided with multigroup aeration head assembly, the aeration head assembly is connected by pipeline with the air blower in equipment room, it is provided with MBR film devices in the MBR membrane cisternas, it is provided with stripping reflux device above the MBR film devices, it is provided with return duct at the top of the stripping reflux device, the return duct stretches into anoxic pond bottom, close to equipment room side water producing pipe is provided on MBR film devices.The device has the advantages that good sewage processing effect, energy-saving.

Description

The device of inversion A AO+MBR integrated sewage disposals
Technical field
The utility model is related to technical field of sewage treatment equipment, and in particular to a kind of inversion A AO+MBR integrated sewage waters The device of processing.
Background technology
Membrane bioreactor (Membrane Bio-reactor, MBR) technology is advanced water technology, is discharged product Matter is high, technology maturation, and as the localization rate of parts and components of critical product-film product is higher and higher and market application is more and more universal, MBR The investment cost and operating cost of film is gradually reduced.MBR membrane bioreactors are the technique that film and activated sludge are combined.Micro- life The pollutant that film is retained down by object carries out the degradation of a deep step.MBR is by regular spoil disposal, to make internal system sludge concentration Maintain balance.Currently, MBR technology is widely used in urban wastewater treatment field, water outlet can reach《Urban wastewater treatment firm is dirty Contaminate object discharge standard》More than the level-one A standards in GB18918-2002, reach IV class standard of recycle water standard or surface water, quilt It is widely used in the high project of standard of drainage or puies forward mark transformation project.
But there is also following defects for existing integration MBR sewage disposal systems:
1. Nitrogen/Phosphorus Removal is bad.Existing integration MBR sewage disposal devices are mostly (anoxic, good with AO+MBR techniques Oxygen+MBR techniques) or AAO+MBR techniques (anaerobism, anoxic, aerobic+MBR techniques), AO+MBR techniques cannot realize that denitrogenation removes simultaneously Phosphorus effect;AAO+MBR techniques are because of process intensification, and on the one hand flowing back into the mixed liquor of anoxic zone, to often result in anoxic zone dissolved oxygen dense Height is spent, denitrification effect is influenced, on the other hand, flows back into the mixed liquor of anaerobic zone because influencing phosphor-removing effect containing nitrate;
2. it is higher to run power consumption.Because lectotype selection is unreasonable, equipment is more etc., cause operation power consumption to remain high;
3. equipment is not compact enough, floor space is larger.
Invention content
The purpose of the utility model is to overcome the deficiencies in the prior art, and it is dirty to provide a kind of inversion A AO+MBR integrations The device of water process.The device has the advantages that good sewage processing effect, energy-saving.
To achieve the above object, a kind of device of inversion A AO+MBR integrated sewage disposals designed by the utility model, it Including sequentially connected anoxic pond, anaerobic pond, MBR membrane cisternas (being aerobic tank) and equipment room;The anoxic pond is far from anaerobic pond Side outer wall bottom and anaerobic pond bottom surface are connected to sewage water inlet pipe respectively, and stirring is equipped in the anoxic pond and anaerobic pond Device is provided with fixed suspension type flexible filler in the anoxic pond, and the anoxic pond is connected to anaerobic pond by diversion pipe, and is led Flow tube is goed deep into anaerobic pond bottom, being connected to by anaerobism overflow pipe between the anaerobic pond and MBR membrane cisternas, MBR membrane cisternas bottom On be provided with multigroup aeration head assembly, the aeration head assembly is connected by pipeline with the air blower in equipment room, described It is provided with MBR film devices in MBR membrane cisternas, stripping reflux device, the stripping reflux device are provided with above the MBR film devices Top is provided with return duct, and the return duct stretches into anoxic pond bottom, and production is provided on MBR film devices close to equipment room side Water pipe.
Further, the MBR film devices include MBR membrane modules, and the MBR membrane modules surrounding is provided with deflector, institute It states water producing pipe to be connected to MBR membrane modules across deflector, is provided with and dips down at the top of the deflector of the anaerobic pond side Oblique inclination deflector.
Still further, the inclination deflector angle of inclination is 1~15 °.
Still further, being correspondingly arranged on the solenoid valve of control aeration head assembly on pipeline between component and air blower.
Still further, being additionally provided with cleaning assembly in the equipment room, the cleaning assembly includes being arranged in parallel clearly Water tank and dosing tank, the filtered water tank and dosing tank are connect with water producing pipe,
Still further, being additionally provided with flow control valve on the return duct.
Still further, being additionally provided with fluid level transmitter in the MBR membrane cisternas.
The beneficial effects of the utility model:
1) the utility model sewage and backflow mixed liquor enter anoxic zone after sufficiently mixing together;Nitric acid in sludge Salt, remaining dissolved oxygen carry out anti-nitration reaction under the action of denitrifying bacterium, are nitrogen by nitrate transformation, realize and be The preposition denitrogenation of system.
2) mixed-liquor return enters anaerobic pond to anoxic pond after denitrification in the utility model, avoids nitrate, molten Solve adverse effect of the oxygen to anaerobic zone;
3) the utility model meets carbon source needed for denitrification, dephosphorization respectively using segmental influent;Part of contaminated water is directly entered Anaerobic zone, polyP bacteria convert good carbon source in sewage to the ergastic substances such as Poly-β-hydroxybutyric acid (PHB), and it is dynamic that phosphorus is inhaled in accumulation Power.
4) MBR membrane cisternas (being aerobic tank) are directly entered in the utility model after poly- phosphorus microorganism experience anaerobic environment, Its suction phosphorus power formed under anaerobic environment has obtained utilization more efficiently;Sludge rich in phosphorus is periodically drained into from system In sludge digestion tank, biological phosphate-eliminating is realized.
5) microorganism that cycle is participated in the utility model all experienced complete anaerobic-aerobic process, thus significantly carry The nitrogen phosphorus of high system removes ability;
6) anaerobism hydrorrhea stream enters MBR membrane cisternas (being aerobic tank) in the utility model, comes with from film aeration drainage Aerobic liquid be sufficiently mixed, improve the mass-transfer efficiency of oxygen.
7) the utility model carries out interior reflux using the head that film aeration generates, and eliminates reflux pump, saves energy.
Description of the drawings
Fig. 1 is the vertical view of the device of the utility model inversion A AO+MBR integrated sewage disposals;
Fig. 2 is the front view of the device of the utility model inversion A AO+MBR integrated sewage disposals;
In figure, anoxic pond 1, anaerobic pond 2, anaerobism overflow pipe 2.1, MBR membrane cisternas 3, exposes at fixed suspension type flexible filler 1.1 Gas head assembly 3.1, fluid level transmitter 3.2, equipment room 4, air blower 4.1, sewage water inlet pipe 5, blender 6, diversion pipe 7, MBR films Device 8, water producing pipe 8.1, MBR membrane modules 8.2, deflector 8.3, tilt deflector 8.4, stripping reflux device 9, return duct 9.1, Solenoid valve 10, cleaning assembly 11, filtered water tank 11.1, dosing tank 11.2, regulating valve 12.
Specific implementation mode
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, so as to art technology Personnel understand.
The device of inversion A AO+MBR integrated sewage disposals as shown in Fig. 1~2, it includes sequentially connected anoxic pond 1, anaerobic pond 2, MBR membrane cisternas 3 and equipment room 4;Anoxic pond far from anaerobic pond side outer wall bottom and 2 bottom surface of anaerobic pond respectively with dirt Water water inlet pipe 5 is connected to, and is equipped with blender 6 in anoxic pond 1 and anaerobic pond 2, fixed suspension type flexibility is provided in anoxic pond 1 and is filled out Material 1.1, anoxic pond 1 is connected to anaerobic pond 2 by diversion pipe 7, and diversion pipe 7 gos deep into 2 bottom of anaerobic pond, anaerobic pond 2 and MBR films It is connected to by anaerobism overflow pipe 2.1 between pond 3, multigroup aeration head assembly 3.1 is provided on 3 bottom surface of MBR membrane cisternas, be aerated head assembly 3.1 are connected by pipeline with the air blower 4.1 in equipment room 4, and MBR film devices 8, MBR films dress are provided in MBR membrane cisternas 3 It includes MBR membrane modules 8.2 to set 8, and 8.2 surrounding of MBR membrane modules is provided with deflector 8.3,
There is water producing pipe 8.1 close to what equipment room side was provided through deflector 8.3 on MBR film devices 8;Close to anaerobism 8.3 top of deflector of 2 side of pond, which is provided with, tilts down the inclination deflector 8.4 that angle is 1~15 °;
8 top of MBR film devices is provided with stripping reflux device 9, and 9 top of stripping reflux device is provided with return duct 9.1, returns Regulating valve 12 is additionally provided in flow tube 9.1, return duct 9.1 stretches into 1 bottom of anoxic pond, set on the side wall of the side of MBR film devices 8 It is equipped with water producing pipe 8.1.Fluid level transmitter 3.2 is additionally provided in MBR membrane cisternas 3.The pipe being aerated between head assembly 3.1 and air blower 4.1 The solenoid valve 10 of control aeration head assembly 3.1 is correspondingly arranged on line.
Cleaning assembly 11 is additionally provided in equipment room 4, the cleaning assembly 11 includes being arranged in parallel 11.1 He of filtered water tank Dosing tank 11.2, the filtered water tank 11.1 and dosing tank 11.2 are connect with water producing pipe 8.1.
The device course of work of above-mentioned inversion A AO+MBR integrated sewage disposals:
1) sewage enters anoxic pond 1 by sewage water inlet pipe 5, is mixed with from 3 digestive juice of MBR membrane cisternas, denitrifying bacteria Anti-nitration reaction is carried out using the carbon source in sewage realize denitrogenation in anoxic pond 1;The sewage of denitrogenation is entered by diversion pipe 7 to be detested Oxygen pond 2, meanwhile, sewage enters anaerobic pond 2 by sewage water inlet pipe 5, and poly- phosphorus microorganism will be good in sewage in anaerobic pond 2 Carbon source is converted into the ergastic substances such as Poly-β-hydroxybutyric acid, the phosphorus stored in releaser, and phosphorus power is inhaled in accumulation;Then mixed liquor passes through Anaerobism overflow pipe 2.1 enters MBR membrane cisternas 3, and under conditions of aeration, polyP bacteria absorbs the phosphorus in sewage, and storage in vivo, nitrifies Bacterium converts the organic nitrogen in sewage to NO3-N and NO2-N nitrogen, and remaining organic matter is further degraded by microorganism;
2) purified sewage is flowed out with water producing pipe 8.1, and backflow mixed liquor passes through stripping reflux device 9 and return duct 9.1 are back to anoxic pond 1;
3) after hours, the liquid of filtered water tank 11.1 and dosing tank 11.2 is flowed back by water producing pipe 8.1 cleans MBR films dress Set 8.
Other unspecified parts are the prior art.Although above-described embodiment is made that the utility model detailed Description, but it is only the utility model a part of the embodiment, rather than whole embodiments, people can also be according to this implementations Example obtains other embodiment under the premise of without creativeness, these embodiments belong to scope of protection of the utility model.

Claims (7)

1. a kind of device of inversion A AO+MBR integrated sewage disposals, it includes sequentially connected anoxic pond (1), anaerobic pond (2), MBR membrane cisternas (3) and equipment room (4);It is characterized in that:The anoxic pond is far from anaerobic pond side outer wall bottom and anaerobic pond (2) bottom is connected to sewage water inlet pipe (5) respectively, and blender (6) is equipped in the anoxic pond (1) and anaerobic pond (2), described Fixed suspension type flexible filler (1.1) is provided in anoxic pond (1), the anoxic pond (1) passes through diversion pipe with anaerobic pond (2) (7) it is connected to, and diversion pipe (7) gos deep into anaerobic pond (2) bottom, is overflow by anaerobism between the anaerobic pond (2) and MBR membrane cisternas (3) Flow tube (2.1) is connected to, and multigroup aeration head assembly (3.1), the aeration head assembly are provided on MBR membrane cisternas (3) bottom (3.1) it is connected with the air blower (4.1) in equipment room (4) by pipeline, MBR films dress is provided in the MBR membrane cisternas (3) It sets (8), stripping reflux device (9) is provided with above the MBR film devices (8), is provided at the top of the stripping reflux device (9) Return duct (9.1), the return duct (9.1) stretch into anoxic pond (1) bottom, are set on MBR film devices (8) close to equipment room side It is equipped with water producing pipe (8.1).
2. the device of inversion A AO+MBR integrated sewage disposals according to claim 1, it is characterised in that:The MBR films dress It includes MBR membrane modules (8.2) to set (8), and MBR membrane modules (8.2) surrounding is provided with deflector (8.3), the water producing pipe (8.1) it is connected to MBR membrane modules (8.2) across deflector (8.3), the deflector (8.3) close to the anaerobic pond (2) side pushes up Portion is provided with the inclination deflector (8.4) tilted down.
3. the device of inversion A AO+MBR integrated sewage disposals according to claim 2, it is characterised in that:The inclination is led Flowing plate (8.4) angle of inclination is 1~15 °.
4. the device of inversion A AO+MBR integrated sewage disposals according to claim 1, it is characterised in that:The aeration head The solenoid valve (10) of control aeration head assembly (3.1) is correspondingly arranged on pipeline between component (3.1) and air blower (4.1).
5. the device of inversion A AO+MBR integrated sewage disposals according to claim 1, it is characterised in that:The equipment room (4) cleaning assembly (11) is additionally provided in, the cleaning assembly (11) includes being arranged in parallel filtered water tank (11.1) and dosing tank (11.2), the filtered water tank (11.1) and dosing tank (11.2) are connect with water producing pipe (8.1).
6. the device of inversion A AO+MBR integrated sewage disposals according to claim 1, it is characterised in that:The return duct (9.1) flow control valve (12) is additionally provided on.
7. the device of inversion A AO+MBR integrated sewage disposals according to claim 1, it is characterised in that:The MBR membrane cisternas (3) fluid level transmitter (3.2) is additionally provided in.
CN201721576572.XU 2017-11-20 2017-11-20 The device of inversion A AO+MBR integrated sewage disposals Active CN207608464U (en)

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Application Number Priority Date Filing Date Title
CN201721576572.XU CN207608464U (en) 2017-11-20 2017-11-20 The device of inversion A AO+MBR integrated sewage disposals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721576572.XU CN207608464U (en) 2017-11-20 2017-11-20 The device of inversion A AO+MBR integrated sewage disposals

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111018257A (en) * 2019-12-30 2020-04-17 吉林碧水源水务科技有限公司 Environment-friendly type inverted AAO + MBR sewage treatment method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111018257A (en) * 2019-12-30 2020-04-17 吉林碧水源水务科技有限公司 Environment-friendly type inverted AAO + MBR sewage treatment method

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GR01 Patent grant
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Effective date of registration: 20191231

Address after: 255202 Dujizhang Village, Baita Town, Boshan District, Zibo City, Shandong Province

Co-patentee after: China Gezhouba Dam Group Water Operation Co., Ltd.

Patentee after: Gezhouba Shuiwu Ziboshan Co., Ltd.

Address before: 430000 Hubei province Wuhan city two road in Qiaokou District Gutian Chang Sheng Road No. 5

Patentee before: China Gezhouba Dam Group Water Operation Co., Ltd.

TR01 Transfer of patent right