CN101786736A - Rotary tubular dynamic membrane bioreactor adopting nonwovens and sewage treatment method thereof - Google Patents
Rotary tubular dynamic membrane bioreactor adopting nonwovens and sewage treatment method thereof Download PDFInfo
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- CN101786736A CN101786736A CN201010128979A CN201010128979A CN101786736A CN 101786736 A CN101786736 A CN 101786736A CN 201010128979 A CN201010128979 A CN 201010128979A CN 201010128979 A CN201010128979 A CN 201010128979A CN 101786736 A CN101786736 A CN 101786736A
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- 239000012528 membrane Substances 0.000 title claims abstract description 53
- 239000004745 nonwoven fabric Substances 0.000 title claims abstract description 24
- 239000010865 sewage Substances 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000001914 filtration Methods 0.000 claims abstract description 9
- 238000005273 aeration Methods 0.000 claims description 18
- 230000000712 assembly Effects 0.000 claims description 13
- 238000000429 assembly Methods 0.000 claims description 13
- 239000010802 sludge Substances 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 7
- 230000000630 rising effect Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 8
- 239000001301 oxygen Substances 0.000 abstract description 8
- 229910052760 oxygen Inorganic materials 0.000 abstract description 8
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000005276 aerator Methods 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 8
- 238000010008 shearing Methods 0.000 description 7
- 230000004907 flux Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 244000005700 microbiome Species 0.000 description 4
- 239000002207 metabolite Substances 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 230000003373 anti-fouling effect Effects 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000003206 sterilizing agent Substances 0.000 description 1
- 210000001364 upper extremity Anatomy 0.000 description 1
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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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- Activated Sludge Processes (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
A rotary tubular dynamic membrane bioreactor adopting nonwovens and a sewage treatment method thereof belong to the technical field of environmental engineering. The invention is characterized in that tubular filter modules are manufactured by wrapping up the hollow tubes with holes on the walls by the nonwovens; an electric motor is used for driving the tubular filter modules fixed on discs to rotate; and under the action of a suction pump, the treating water enters into the hollow inside of the tubular filter modules, is collected to a main collector tube by radial collector tubes on the discs and then is discharged. By adopting the nonwovens to manufacture the filter modules, the bioreactor has low cost; the dynamic membranes on the surfaces of the nonwovens are used for improving the filtration precision; and the rotating speed is regulated according to variation of the operation pressure, thus effectively maintaining proper thickness of the dynamic membranes and ensuring permanent and stable running of the reactor. The invention has the benefits of adopting the microporous aerator with high oxygen utilization efficiency and reducing energy consumption. The tubular filter modules can be dismantled independently and are simple and convenient to operate.
Description
Technical field
The invention belongs to field of environment engineering technology, relate to sewage disposal and technology of middle water recycle, the method that particularly the membrane biological reactor process cost reduces, film pollution control realizes.
Background technology
China's water resources shortage is one of 13 poor-water states in the world.A lack of water surplus in the of existing 400 in the city surplus the whole nation 600, because of the industrial output value that lack of water reduces annual above 1,200 hundred million yuan.Utilize water quality and water price than Drinking Water low in light greenization, carwash, flushing sanitation utensil etc., water resources that can saves valuable relaxes the imbalance between supply and demand of municipal water, also can alleviate the burden of sewerage system.Membrane bioreactor (membranebioreactor, MBR) be considered to the most rising wastewater treatment and reuse technology it, itself can substitute three technologies in activated sludge tank, second pond, filter tank in the traditional waste water treatment process, water outlet only need add a small amount of sterilizing agent, avoid taking place secondary pollution and just can realize reuse, and sludge yield is low, floor space is little, easy to operate.But the technical feasibility of self is not only depended in a kind of widespread use of technology, also depends on its economic feasibility, and it is to hinder the subject matter that MBR applies that membrane module costs an arm and a leg wayward with the film pollution.At treatment scale is 240m
3In the reusing sewage system of/d, to account for the gross investment ratio be 57.3% to the membrane module expense in the integral type film biological reactor, and the replacement charge of film accounts for 58% of working cost, and power charge accounts for 21% of working cost; Pollute for delaying film, about 40: 1, the energy consumption of aeration accounts for more than 96% of power charge to the membrane biological reactor process gas-water ratio usually.
People such as Shandong University Qiu Xian peak have made up internal circulation dynamic membrane bioreactor to attempt the improving reactor cross-flow velocity, to suppress the film pollution.The reactor monolith structure is made up of urceolus and inner core, and membrane module places inner core, utilize aeration tube outer tube side carry out aeration, to the mixed solution oxygen supply and promote mixed solution and in reactor, form circulation.The more conventional membrane bioreactor of reactor film pollution condition has certain improvement, but effect is not ideal enough, need regularly carry out big aeration rate back flushing, and average backwashing period is 54.8h.Be to be the solution membrane pollution problem equally, people such as Wuhan University Of Science and Engineering's red English in a left side have designed the rotating disc type plate membrane bioreactor.Pvdf membrane as mould material is coated on the rotating disk upper and lower surface, relies on the rotating disk rotation to clean the film surface.But because of rotating disk is set to connect on the vertical direction, the aeration shearing force can't remake and be used for the film surface; And easy cleaning not after upper surface pollutes, the backwash flux recovery rate is about 30%; More make string change difficulty at the diaphragm in mid-way.For reducing the price of membrane module, it is that the Dynamic Membrane of utilizing microorganism and meta-bolites thereof to form on the bolting silk of 100 μ m is filtered that Tsing-Hua University is devoted to study in the aperture.The result shows, system to total clearance of COD basically greater than 80%, but, the Dynamic Membrane surface contamination is serious, and is to avoid the too high below aeration that carries out of working pressure can make the Dynamic Membrane completely destroy, and water outlet SS on average reaches 2270mg/l, Dynamic Membrane just can form again behind the 35min, therefore needing increases the device that the water outlet in for some time behind the aeration of below is returned processing, also having problems aspect effluent quality and the system operation stability, also has gap apart from practical application.In addition, the conventional film bio-reactor all adopts the macropore aeration for increasing shearing force, and coefficient of oxygen utilization is low, and energy consumption increases.
Summary of the invention
The purpose of this invention is to provide the sewage water treatment method that a kind of controlling diaphragm pollutes and reduce the membrane module cost, with this method design-and-build membrane bioreactor, not only can make it keep all advantages of membrane bioreactor, and the film that can effectively overcome the widespread use of yoke membrane biological reactor process pollutes the shortcoming wayward, that the membrane module cost is higher, and reduce the required energy consumption of aeration thus, make the engineering application of membrane biological reactor process realize that investment and working cost reduce significantly, thereby promote popularizing of this technology.
The technical scheme that realizes application rotary tubular dynamic membrane bioreactor adopting nonwovens realization sewage disposal of the present invention is:
Adopt aperture 3-5 micron non-woven fabrics as cheap base material, it is wrapped on the hollow tube of tube wall perforate forms the tubular filter assembly, the filter assemblies top seal, water outlet is left in the bottom.The hollow tube wall makes porosity the highest under the requirement of satisfying tubing intensity.The filter assemblies positioned vertical is parallel to each other, and is evenly distributed in the form of a ring, and the slot of the jack of lower disc and lower disk is fixed between two disks of reactor in the utilization.By being threaded, this structure and the tubular filter assembly that is fixed between disk are formed independent integral body to last lower disc, can dismantle separately by centered cylinder; Each tubular filter assembly can take out from slot and jack separately, carries out the replacing of non-woven fabrics.Lower disk central authorities are fixed on the gyrator of reactor bottom.Gyrator is fixed on reactor bottom by flange, and with outer coaxial linking to each other of gear of reactor, this gear is called follower gear, under the drive of driving toothed gear, gyrator is realized rotation.Driving toothed gear is by the motor control rotating speed.Lower disk central authorities are provided with total header, disk inside is provided with radially header with tubular filter assembly correspondence along radial direction, radially the header two ends connect tubular type filter assemblies water outlet and total header respectively, total header is connected with outside rising pipe, the dynamic membrane filtering that sewage is made up of microorganism and metabolite thereof on active sludge degraded and non-woven fabrics, under the suction pump effect, enter the inside of filter assemblies hollow, be collected to total header after rising pipe is discharged by header radially.
Coat the tubular filter assembly of non-woven fabrics and the Dynamic Membrane that nonwoven surface is made up of microorganism and metabolite thereof and form tubular membrane component, flux maintains 40-80L/hm during its steady state
2Between, form even Dynamic Membrane and be convenient to unpick and wash replacing, filtration area≤3m for guaranteeing nonwoven surface
2, the tubular membrane component number is determined divided by the product of single membrane module flux and filtration area by handling the water yield in the bio-reactor.Rotation produces shearing force and can effectively delay film and pollute, and guarantees that active sludge suspends, and reduces for the shearing force demand of aeration, and therefore, aeration rate significantly reduces among the present invention, only need satisfy that active sludge intermixture dissolved oxygen demand gets final product in the reactor.For further cutting down the consumption of energy, reactor bottom is settled micropore aeration pipe among the present invention, replaces macropore aerator in the conventional film bio-reactor, the utilization ratio about 10% of oxygen; The micropore aeration pipe aeration can effectively improve about the utilising efficiency to 30% of oxygen, reduces energy expenditure.
The reactor operation is initial, and the tubular filter assembly is slowly rotated, and rotating speed makes nonwoven surface form even Dynamic Membrane less than 10rpm, improves filtering accuracy.After Dynamic Membrane formed, rotating speed was increased to 10-20rpm, prevented that the blocked up working pressure that causes of Dynamic Membrane from improving; When reactor water outlet vacuum meter numerical value is increased to 10KPa when above, further improve rotating speed to 20-30rpm, and, improve active sludge intermixture turbulent fluctuation effect by the time relay control rotating time, improve the shearing force that acts on face, delay film and pollute.
Handle sanitary sewage COD concentration when 300-500mg/l, hydraulic detention time is not less than 6 hours in the bio-reactor; Handle sanitary sewage COD concentration when 600-1000mg/l, hydraulic detention time is not less than 8 hours in the bio-reactor.When the bio-reactor volume satisfied the hydraulic detention time requirement, the minimum liquid level of active sludge intermixture and membrane module upper limb kept certain distance.
Effect of the present invention and benefit are:
1. non-woven fabrics is cheap and easy to get, about 20 yuan/m
2Price well below 400 yuan/m of hollow-fibre membrane
2Price, thereby can reduce cost significantly.
2. designed rotary tubular dynamic membrane bioreactor adopting nonwovens, being formed with of nonwoven surface Dynamic Membrane is beneficial to the raising filtering accuracy, and rotating speed is regulated and control according to the variation of working pressure, the suitable thickness that can effectively keep Dynamic Membrane, delay to cause working pressure sharply to raise, ensure the lasting stability operation of rotary tubular dynamic membrane bioreactor adopting nonwovens because of Dynamic Membrane is blocked up.
3. rotation generation shearing force can effectively delay the film pollution, and guarantees that active sludge suspends, and therefore, produces the demand reduction of shearing force among the present invention for aeration, and the higher micro-hole aerator of employing coefficient of oxygen utilization can significantly cut down the consumption of energy.
4. when the backwash flux recovery rate reduced, the tubular filter assembly can take out from last lower disc slot and jack easily, changed non-woven fabrics, and is simple to operate.
Rotary tubular dynamic membrane bioreactor adopting nonwovens technology effluent quality can satisfy middle water reuse requirement, can be used to carwash, afforest and flush the toilet, and with low cost, antifouling property is strong, simple to operate.Rotary tubular dynamic membrane bioreactor adopting nonwovens is with a wide range of applications in sewage disposal and middle water reuse field, as: the area of no sewerage pipeline network, as holiday resort, travelling scenery district; Area or place that middle water reuse demand is arranged are as hotel, car wash trade; The renewal upgrading of existing municipal sewage plant etc.
Description of drawings
Among the figure: 1 gas blower; 2 micropore aeration pipes; 3 follower gears; 4 gyrators; 5 headers radially; 6 driving toothed gears; 7 total headers; 8 centered cylinder; 9 electric motor; 10 rising pipes; 11 lower disk; 12 tubular filter assemblies; 13 top disks; 14 time relays; 15 vacuum meters; 16 bio-reactors; 17 tensimeters; 18 suction pumps.
Accompanying drawing 2 is rotary tubular dynamic membrane bioreactor adopting nonwovens lower disk sectional views.
Among the figure: 19 headers radially; 20 screw threads; 21 total headers; 22 filter assemblies slots.
Embodiment
Be described in detail the specific embodiment of the invention below in conjunction with technical scheme and accompanying drawing.
Embodiment
Handle the sanitary sewage water yield and press 40m
3/ d meter, COD concentration is 600mg/L.Non-woven fabrics parcel hollow tube is formed tubular filter assembly 12, and single tubular membrane component flux maintains 80L/hm
2Tubular filter assembly filtration area is 1.3m
2, calculating needs 16 of filter assemblies, and it specifically is of a size of useful length 2m, radius 0.1m.Hydraulic detention time is 8 hours in the bio-reactor 16, and useful volume is 13.3m
3, it specifically is of a size of: the wide 2.5m in footpath, available depth 2.8m, superelevation 0.5m, height overall 3.3m.
Disc radius equates up and down, be made as 1.0m, in distance disc centre 0.8m position 16 slots and jack are set ringwise, each slot and jack radius 0.1m, face the slot distance of center circle mutually and be respectively 0.31m and 0.11m from reaching shortest distance, 16 tubular filter assemblies are fixed in lower disc 11,13 slots and the jack.
Concrete mounting means is: with crane lower disk 11 is put into bio-reactor 16 earlier and is installed on the gyrator 4, then with centered cylinder 8 by being threadedly connected to lower disk 11, at last top disk 13 is installed on the centered cylinder 8.Gyrator 4 is driven by bio-reactor 16 outer follower gear 3 and driving toothed gears 6, its positive and negative rotating speed and separately rotational time control respectively by electric motor 9 and time rly. 14.Tubular filter assembly 12 concrete mounting means are: tubular filter assembly 12 vertically is inserted in the slot 11 of lower disk from top disk 13 jacks, and guarantees that the filter assemblies water outlet links to each other with the radially header 5 of lower disk 11 inside.
Start gas blower 1 aeration, for microorganism in the reactor provides growth metabolism essential oxygen.Under suction pump 18 effect, enter the inside of tubular filter assembly 12 hollows through the treating water of active sludge degraded and dynamic membrane filtering, flow to total header 21 discharges by the radially header 5 of lower disk 11 inside.
Claims (2)
1. rotary tubular dynamic membrane bioreactor adopting nonwovens and sewage water treatment method thereof is characterized in that:
A) adopt aperture 3-5 micron non-woven fabrics as cheap base material, it is wrapped on the hollow tube of tube wall perforate forms the tubular filter assembly, the filter assemblies top seal, water outlet is left in the bottom, filtration area≤3m2;
B) the filter assemblies positioned vertical is parallel to each other, and is evenly distributed in the form of a ring, in the utilization not the slot of the jack of disk and lower disk be fixed between two disks of reactor, each tubular filter assembly takes out from slot and jack separately, carries out the replacing of non-woven fabrics;
C) lower disk central authorities are provided with total header, disk inside is provided with the radially header that two ends connect tubular type filter assemblies water outlet and total header respectively along radial direction, treating water enters the inside of filter assemblies hollow under the suction pump effect, be collected to total header after rising pipe is discharged by header radially;
D) lower disk central authorities are fixed on the gyrator of reactor bottom, gyrator is fixed on reactor bottom by flange, and outer follower gear is coaxial links to each other with reactor, and under the drive of driving toothed gear, gyrator is realized rotating, and driving toothed gear is by the motor control rotating speed;
E) the reactor operation is initial, and rotating speed is less than 10rpm, after Dynamic Membrane forms, rotating speed is increased to 10-20rpm, and when reactor water outlet vacuum meter numerical value was increased to 10KPa, rotating speed was increased to 20-30rpm, and, improve active sludge intermixture turbulent fluctuation effect by the time relay control rotating time.
2. a kind of rotary tubular dynamic membrane bioreactor adopting nonwovens according to claim 1 and sewage water treatment method thereof is characterized in that: reactor bottom is settled micropore aeration pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201010128979A CN101786736A (en) | 2010-03-17 | 2010-03-17 | Rotary tubular dynamic membrane bioreactor adopting nonwovens and sewage treatment method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010128979A CN101786736A (en) | 2010-03-17 | 2010-03-17 | Rotary tubular dynamic membrane bioreactor adopting nonwovens and sewage treatment method thereof |
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| CN101786736A true CN101786736A (en) | 2010-07-28 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102491530A (en) * | 2011-11-29 | 2012-06-13 | 居文钟 | Continuous damping real-time on-line linear backwashing high-flux disc-type micro-screen assembly |
| CN104876327A (en) * | 2015-04-17 | 2015-09-02 | 大连理工大学 | Folded plate membrane assembly for retarding membrane pollution in membrane bioreactor |
| CN105129974A (en) * | 2015-08-31 | 2015-12-09 | 北京神州瑞霖环保科技有限公司 | Reciprocating rotary type membrane bioreactor |
| CN106630497A (en) * | 2017-02-12 | 2017-05-10 | 段遵虎 | Efficient sewage treatment method based on MBR (Membrane Bioreactor) membrane |
| CN107381946A (en) * | 2017-08-09 | 2017-11-24 | 湖南美奕机电科技有限公司 | One kind contains organic matter waste water processing equipment |
| CN108946986A (en) * | 2018-07-12 | 2018-12-07 | 武汉中智德远科技开发有限公司 | A kind of rotation immersion water process ultramicro filtration device avoiding blocking |
| CN109650529A (en) * | 2019-03-01 | 2019-04-19 | 四川永沁环境工程有限公司 | Integrated sewage treating apparatus |
| CN112979069A (en) * | 2021-02-23 | 2021-06-18 | 广西盛唯科技服务有限公司 | Multi-level efficient sewage treatment aeration equipment |
| CN114163007A (en) * | 2021-12-02 | 2022-03-11 | 苏州东大仁智能科技有限公司 | Dynamic membrane filter for oily wastewater treatment equipment |
| CN114853158A (en) * | 2022-04-22 | 2022-08-05 | 北京华宇辉煌生态环保科技股份有限公司 | Immersed dynamic membrane technology reactor |
| CN117142630A (en) * | 2023-10-26 | 2023-12-01 | 北京华科仪科技股份有限公司 | Automatic control method and system of rotary disc type biological reaction device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1762555A (en) * | 2005-09-23 | 2006-04-26 | 浙江大学 | Revolve type film separator |
| CN101200341A (en) * | 2007-10-26 | 2008-06-18 | 江苏省交通科学研究院有限公司 | High road service area sewage water treating process and dynamic membrane bioreactor |
-
2010
- 2010-03-17 CN CN201010128979A patent/CN101786736A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1762555A (en) * | 2005-09-23 | 2006-04-26 | 浙江大学 | Revolve type film separator |
| CN101200341A (en) * | 2007-10-26 | 2008-06-18 | 江苏省交通科学研究院有限公司 | High road service area sewage water treating process and dynamic membrane bioreactor |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102491530A (en) * | 2011-11-29 | 2012-06-13 | 居文钟 | Continuous damping real-time on-line linear backwashing high-flux disc-type micro-screen assembly |
| CN104876327A (en) * | 2015-04-17 | 2015-09-02 | 大连理工大学 | Folded plate membrane assembly for retarding membrane pollution in membrane bioreactor |
| CN105129974A (en) * | 2015-08-31 | 2015-12-09 | 北京神州瑞霖环保科技有限公司 | Reciprocating rotary type membrane bioreactor |
| CN106630497A (en) * | 2017-02-12 | 2017-05-10 | 段遵虎 | Efficient sewage treatment method based on MBR (Membrane Bioreactor) membrane |
| CN106630497B (en) * | 2017-02-12 | 2019-07-19 | 浙江秀水环保有限公司 | A kind of high-efficiency sewage processing method based on MBR film |
| CN107381946A (en) * | 2017-08-09 | 2017-11-24 | 湖南美奕机电科技有限公司 | One kind contains organic matter waste water processing equipment |
| CN108946986B (en) * | 2018-07-12 | 2022-04-29 | 大庆瑞赛克环保科技有限公司 | Prevent rotatory submergence formula water treatment ultramicro filter equipment of jam |
| CN108946986A (en) * | 2018-07-12 | 2018-12-07 | 武汉中智德远科技开发有限公司 | A kind of rotation immersion water process ultramicro filtration device avoiding blocking |
| CN109650529A (en) * | 2019-03-01 | 2019-04-19 | 四川永沁环境工程有限公司 | Integrated sewage treating apparatus |
| CN112979069A (en) * | 2021-02-23 | 2021-06-18 | 广西盛唯科技服务有限公司 | Multi-level efficient sewage treatment aeration equipment |
| CN112979069B (en) * | 2021-02-23 | 2022-08-30 | 中铁建发展集团有限公司 | Multi-level efficient sewage treatment aeration equipment |
| CN114163007A (en) * | 2021-12-02 | 2022-03-11 | 苏州东大仁智能科技有限公司 | Dynamic membrane filter for oily wastewater treatment equipment |
| CN114853158A (en) * | 2022-04-22 | 2022-08-05 | 北京华宇辉煌生态环保科技股份有限公司 | Immersed dynamic membrane technology reactor |
| CN114853158B (en) * | 2022-04-22 | 2023-11-10 | 北京华宇辉煌生态环保科技股份有限公司 | Immersed dynamic membrane technology reactor |
| CN117142630A (en) * | 2023-10-26 | 2023-12-01 | 北京华科仪科技股份有限公司 | Automatic control method and system of rotary disc type biological reaction device |
| CN117142630B (en) * | 2023-10-26 | 2024-02-20 | 北京华科仪科技股份有限公司 | Automatic control method and system of rotary disc type biological reaction device |
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Open date: 20100728 |