CN208218617U - Sewage disposal system - Google Patents
Sewage disposal system Download PDFInfo
- Publication number
- CN208218617U CN208218617U CN201820474828.4U CN201820474828U CN208218617U CN 208218617 U CN208218617 U CN 208218617U CN 201820474828 U CN201820474828 U CN 201820474828U CN 208218617 U CN208218617 U CN 208218617U
- Authority
- CN
- China
- Prior art keywords
- pond
- denitrification
- sewage disposal
- disposal system
- aerobic tank
- 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.)
- Expired - Fee Related
Links
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model provides a kind of sewage disposal system, it is characterised in that includes denitrification portion, comprising: denitrification pond, the ferrous substrate biological coupling filler being filled in denitrification pond, and the impeller being mounted in denitrification pond；Aerobic portion, comprising: multiple microporous aeration discs of aerobic tank bottom of pond are arranged in the aerobic tank being connected with denitrification bottom of pond portion, the floating stuffing being filled in aerobic tank；Dynamic Membrane processing unit, comprising: the Dynamic Membrane processing pond being connected at the top of aerobic tank, and be arranged in Dynamic Membrane processing pond, the membrane module containing microfiltration membranes；And clear water portion, comprising: the sterilizer on the water delivery pipe road of clear water reserviors is arranged in the clear water reserviors being connected with the water outlet of membrane module.This system treated sewage, COD, ammonia nitrogen, total phosphorus, total nitrogen removal rate respectively reach 95.13%, 92.22%, 94.37%, 89.43%.
Description
Technical field
The utility model belongs to field of industrial waste water treatment, is related to a kind of sewage disposal system.
Background technique
With the publication of national " ten, water ", sewage water denitrification technique is increasingly becoming the hot spot of the research of sewage treatment in recent years,
The common technique of sewage water denitrification has: physical method, electrochemical process, hyperfiltration/microfiltration film method, biochemical method etc., physics blow-off method easily occurs
Free ammonia loss generates secondary pollution；Single membrane processing method higher cost；That there is also energy consumptions is higher for chemical electrolysis method, electric current effect
The low problem of rate.
Reaction of the bio-denitrification technology in biological treatment process is divided into aminating reaction, nitration reaction and anti-nitration reaction,
The removal of nitrogen is as realized by nitrifier and denitrifying bacterium, and sufficient carbon source is the key that denitrifying bacterium efficient denitrification.
Although conventional biological denitrification denitrogenation technology maturation is stablized, there are problems that carbon source deficiency to influence nitric efficiency.
In low carbon-nitrogen ratio sewage treatment process, heterotroph denitrifying bacterium needs additional carbon that can just survive and realizes anti-
Denitrogenation is nitrified, reagent cost is not only increased and increases processing difficulty.
Utility model content
The utility model is to carry out to solve the above-mentioned problems, and it is an object of the present invention to provide a kind of utilize biological coupling filler
And the system that Dynamic Membrane carries out sewage treatment, it can reduce energy consumption, and effectively improve nitric efficiency.
The utility model to achieve the goals above, uses following scheme.
The utility model provides a kind of sewage disposal system comprising: denitrification portion, comprising: denitrification
Pond is filled in the ferrous substrate biological coupling filler that denitrogenation is used in denitrification pond, the multiple fillers peace being erected in denitrification pond
Grid beam, and the impeller being mounted in denitrification pond are filled, ferrous substrate biological coupling uniform filling is filled in multiple filler installations
Packing area is formed in grid beam；Aerobic portion, comprising: the aerobic tank being connected with denitrification bottom of pond portion is filled in aerobic tank and uses
In the floating stuffing for promoting biofilm formation, multiple microporous aeration discs of aerobic tank bottom of pond are set；Dynamic Membrane processing unit, packet
It includes: the Dynamic Membrane processing pond being connected at the top of aerobic tank, and be arranged in Dynamic Membrane processing pond, the film group containing microfiltration membranes
Part；And clear water portion, comprising: the clear water reserviors being connected with the water outlet of membrane module are arranged on the water delivery pipe road of clear water reserviors
Sterilizer.
Preferably, it in the sewage disposal system involved in the utility model, can also have the following features: in anti-nitre
Change in pond, the loading density of ferrous substrate biological coupling filler is 30~50% (V/V).
Preferably, in the sewage disposal system involved in the utility model, it can also have the following features: adjacent fill out
The spacing of material installation grid beam is 30~50cm, and the distance of bottom to the denitrification pond bottom of pond of packing area is 40~60cm.
Preferably, it in the sewage disposal system involved in the utility model, can also have the following features: aerobic
Chi Zhong, the loading density of floating stuffing are 30% (V/V).
Preferably, it in the sewage disposal system involved in the utility model, can also have the following features: in anti-nitre
Change in pond and aerobic tank, the concentration of activated sludge is 6500mg/L, and sludge loading is 0.14kgCOD/ (kgMLSSd).
Preferably, it in the sewage disposal system involved in the utility model, can also have the following features: in anti-nitre
Change in pond, dissolved oxygen content should control as 0.5~1.5mg/L；In aerobic tank, dissolved oxygen content should be controlled as 2~4mg/L.
Preferably, in the sewage disposal system involved in the utility model, it can also have the following features: membrane module
In filter membrane use PTFE flat micro-filtration, membrane aperture 0.02um, membrane flux >=500L/ (m under pure water medium2·h)；Sewage
Membrane flux is 40L/ (m under medium2H), Dynamic Membrane processing unit further includes multiple strong exposures that Dynamic Membrane processing pond bottom of pond is arranged in
Tracheae.
Preferably, in the sewage disposal system involved in the utility model, it can also have the following features: denitrification
Pond, aerobic tank, Dynamic Membrane processing pond volumetric ratio be 1:3~8:2, sterilizer is chlorine dioxide generator.
Preferably, in the sewage disposal system involved in the utility model, it can also have the following features: clear water portion
Further include: the water outlet pump being connected between the water outlet of membrane module and the water inlet of clear water reserviors, and it is connected to the backwash of clear water reserviors
Backwash water pump between outlet and the water outlet of membrane module.
The action and effect of utility model
Sewage disposal system according to the present utility model, because being provided with multiple filler installation grid beams in denitrification pond,
Ferrous substrate biological coupling uniform filling is filled in the multiple filler installation grid beam and forms packing area, and packing area can be effective
Nitrate nitrogen is reduced into nitrogen removing by ground, solves the problems, such as that carbon source deficiency causes nitric efficiency low in traditional denitrification process,
Under water inlet low ratio of carbon to ammonium, low-temp low-pressure environment, biological coupling filler is more advantageous compared with other fillers, meanwhile, biological coupling
Filler is synchronous to realize nitrification and denitrification, shortens the residence time compared with conventional biochemical facture, with bigger volumetric loading and
Sludge loading；Further, in Dynamic Membrane processing unit, particulate matter constantly accumulates formation filter in the micro-filtration film surface of membrane module
Cake layer, cake layer can replace microfiltration membranes to form dynamic membrane filtering as film medium, and there is dynamic membrane filtering flux greatly, easily to recoil
It washes, the advantages that requirement to membrane material is wide in range.This system treated sewage, COD removal rate can reach 95.13%, and ammonia nitrogen is gone
Except rate can reach 92.22%, total tp removal rate can reach 94.37%, and nitrogen removal rate can reach 89.43%.
Detailed description of the invention
Fig. 1 be in embodiment sewage disposal system structural schematic diagram；
Fig. 2 is that biological coupling filler filler is mounted on the front view in installation grid beam in embodiment；
Fig. 3 is that biological coupling filler filler is mounted on the side view in installation grid beam in embodiment；
Fig. 4 is the structural schematic diagram of MBR membrane module in embodiment.
Specific embodiment
Sewage disposal system involved in the utility model is elaborated referring to the drawings.<embodiment>
As shown in Figure 1, sewage disposal system 10 has denitrification portion 20, aerobic portion 30, Dynamic Membrane processing unit 40, Yi Jiqing
Water portion 50.
As shown in Figures 1 to 3, denitrification portion 20 includes denitrification pond 21, ferrous substrate biological coupling filler 22, multiple fillers peace
Fill grid beam 23, impeller 24 and intake pump 25.
In denitrification pond 21, dissolved oxygen content should be controlled as 0.5~1.5mg/L, and dissolved oxygen (DO) contains in the present embodiment
Amount control is 1.5mg/L, and the sewage mixed liquor residence time is generally 4h or so, and the concentration of activated sludge is 6500mg/L, dirty
Mud load is 0.14kgCOD/ (kgMLSSd).
Ferrous substrate biological coupling filler 22 is filled in denitrification pond 21, and packed density is 30~50% (V/V).Ferrous substrate
Biological coupling filler 22 is commercial product, by a certain proportion of Zero-valent Iron, catalyst, adhesive, wooden powder's active carbon, foaming
Agent is made through 1200 DEG C of granulation, drying, anaerobic high-temperature calcinations.Ferrous substrate biological coupling filler 22 is filled in by polyethylene or poly- third
In hollow fish netted spheroid made of alkene material, coupling filler bulb diameter can be 6~10cm, 1000/m3。
Each filler installation grid beam 23 is all mounted in denitrification pond 21 in parallel to each other, and adjacent filler installs net
The spacing of screen work 23 is 30~50cm.Ferrous substrate biological coupling filler 22 is uniformly filled in shape in each filler installation grid beam 23
At packing area, the distance of bottom to 21 bottom of pond of denitrification pond of packing area is 40~60cm.In the present embodiment, such as the institute of Fig. 2 and 3
Show, it is stainless (steel) wire screen work that filler, which installs grid beam 23, and width L2 is set as 10cm, height L1 and width L3 and denitrification pond 21
It is corresponding；Support arm 23a is arranged in four edges that filler installs grid beam 23, and supporting leg 23b is arranged at support arm 23a,
Ferrous substrate biological coupling filler 22 can be hung in reaction tank, in the present embodiment, the flying height (bottom of packing area to anti-nitre
Change the distance of 21 bottom of pond of pond) it is 50cm；Correspondingly, settable bracket on 21 inner wall of denitrification pond, determines according to filler loadings
The spacing and intensity of supporting leg；In addition the bottom installation supporting leg of grid beam 23 can also be installed to keep packing area outstanding in filler
It is empty.
Impeller 24 is mounted in denitrification pond 21, for making the mixed liquor homogeneous in denitrification pond 21 and giving birth to ferrous substrate
Object couples filler 22 and uniformly contacts.
Aerobic portion 30 includes aerobic tank 31, floating stuffing 32 and multiple microporous aeration discs 33.
The bottom in aerobic tank 31 and denitrification pond 21 is interconnected by pipeline or wall aperture mode.In aerobic tank 31
Interior, dissolved oxygen content should control as 2~4mg/L, and in the present embodiment, dissolved oxygen content control is 3mg/L, mixed liquor residence time
For 7h, the concentration of activated sludge is 6500mg/L, and sludge loading is 0.14kgCOD/ (gMLSSd)
Floating stuffing 32 is filled in aerobic tank 31, for promote active bacteria, nutrients etc. 32 surface of floating stuffing/
Inside forms biomembrane, and in the present embodiment, the packed density of floating stuffing 32 is 30% (V/V), i.e. packing volume and aerobic tank
The ratio of 31 volumes；32 shape of floating stuffing is ball-type, and material is polypropylene modified material, diameter 8cm, density 0.94-
0.98。
Each microporous aeration disc 33 is arranged at 31 bottom of pond of aerobic tank, and is connected by air inlet pipe, adopts in the present embodiment
The specification of microporous aeration disc 33 is DN300 or DN350, center spacing 800mm or so.
Dynamic Membrane processing unit 40 includes Dynamic Membrane processing pond 41, membrane module 42 and multiple strong aeration tubes 43.
Dynamic Membrane processing pond 41 is connected with the top of aerobic tank 31, specifically: effluent weir is installed at the top of aerobic tank 31
It is discharged for collecting, effluent weir flows into the water outlet of aerobic tank 31 from top to bottom dynamic close to pool wall by pipeline or wall aperture
State film process pond 41.
Membrane module 42 is arranged in Dynamic Membrane processing pond 41, and membrane module 42 is MBR membrane module, filter therein in the present embodiment
Film uses PTFE flat micro-filtration, membrane aperture 0.02um, membrane flux >=500L/ (m under pure water medium2·h)；Under wastewater media
Membrane flux is 40L/ (m2·h).As shown in figure 4, membrane module 42 is installed by lifting lug 42a to Dynamic Membrane processing pond 41, multilayer
PTFE flat micro-filtration 42b is fixed in installing frame 42c, is provided with outlet pipe 42d on PTFE flat micro-filtration 42b.
Strong aeration tube 43 is mounted below membrane module 42, using boring aeration pipe 43 in the present embodiment.Aeration intensity,
Usually according to the ratio of air inflow and inflow, ratio is 20~30:1, every 12~15L/min of piece element in the present embodiment
(membrane area 1.5m2/ piece).
Above-mentioned denitrification pond 21, aerobic tank 31, Dynamic Membrane processing pond 41 volumetric ratio be 1:3~8:2.
As shown in Figure 1, clear water portion 50 includes clear water reserviors 51, water outlet pump 52, backwash water pump 53 and sterilizer 54.Clear water
Pond 51 is connected with the water outlet of membrane module 42.Water outlet pump 52 is connected to outlet and the clear water reserviors 51 of 42 outlet pipe 42d of membrane module
Water inlet between, for purified clear water to be pumped in clear water reserviors 51 out of membrane module 42.Backwash water pump 53 is connected to
Positioned at the outlet of 42 outlet pipe 42d of backwash outlets and membrane module of clear water reserviors 51, (at this moment, which enters as what backwash water entered
Mouthful) between.Sterilizer 54 is arranged on the water delivery pipe road of clear water reserviors 51, and in the present embodiment, the sterilizer 54 used is dioxy
Change chlorine generator 54.
In Dynamic Membrane processing unit 40, membrane module 42 needs regular backwash, at this moment can open backwash water pump 53, by clear water
Water purification in pond 51 is recycled in membrane module 42 by the outlet of outlet pipe 42d carries out back flush, backwash frequency from inside to outside
Are as follows: every operation 8min, backwash 2min, backwash mode are air water scouring.Here air water scouring refers to: membrane module 42 is entering clearly
When washing the period, stop producing water, the substance for generating and stirring and accumulating to film surface be aerated by bottom perforated aeration tube 43 and is cleaned,
The bubble of rising can generate rubbing action in film surface, and the backwash of membrane module 42 is cooperateed with to carry out profound cleaning to film.
The working principle of the utility model is: the catalysis of ferrous substrate biological coupling filler 22 forms former in denitrification pond 21
Cell reaction discharges [H] or H2, hydrogen autotrophic type denitrifying bacteria is reduced into nitrogen using hydrogen as the energy, by nitrate nitrogen,
Realize denitrogenation.In aerobic tank 31, the aerobic microbiological on 32 surface of floating stuffing and internal facultative microbe pass through biology drop
Organic matter is resolved into CO by the effect of solution2And H2O realizes the removal of organic pollutant.In Dynamic Membrane processing pond 41, in negative pressure
Under effect, activated sludge or particulate matter in mixed liquor are trapped in film surface by PTFE flat micro-filtration 42b, and water passes through PTFE
The micropore of flat micro-filtration 42b is pumped to clear water reserviors 51, activated sludge or particulate matter by water outlet pump 52 in PTFE flat micro-filtration
42b constantly accumulates on surface, forms cake layer, and filtering layer replaces PTFE flat micro-filtration 42b to become film medium, forms Dynamic Membrane mistake
Filter.
Based on the above structure and working principle, sewage treatment is carried out using sewage disposal system 10 provided by the present embodiment
The specific process is as follows:
Step 1: by intake pump 25 by sewage introduce denitrification pond 21, added into denitrification pond 21 denitrifying bacteria/
Nitrobacteria or activated sludge, and add nutriment culture, sewage mixing homogeneous is made using impeller 24 and given birth to ferrous substrate
Object couples filler 22 and uniformly contacts, and the catalysis of ferrous substrate biological coupling filler 22 forms galvanic interaction release release [H] or H2, hydrogen
Autotrophic type denitrifying bacteria is reduced into nitrogen using hydrogen as the energy, by nitrate nitrogen, realizes denitrogenation；Meanwhile denitrification pond
Mixed liquor in 21 is flow automatically by way of liquid level difference in bottom of pond flows into aerobic tank 31.
In this step, the sewage for introducing denitrification pond 21 should first pass through pretreatment, remove visible large particle in sewage
Matter is intercepted for example, by using the pretreatment facility such as coarse rack-fine fack, removes hair, solid refuse, the stone etc. in sewage
Deng.After pretreatment, then with intake pump 25 by sewage lifting to denitrification pond 21.
Step 2: aerobic microbiological strain or activated sludge are added into aerobic tank 31, and add nutriment culture,
The surface of floating stuffing 32 or internal formation biomembrane, while aeration aerating is carried out to mixed liquor using microporous aeration disc 33；It is outstanding
Organic matter is resolved into CO by biodegradable effect by the aerobic microbiological and internal facultative microbe on floating 32 surface of filler2
And H2O realizes the removal of organic pollutant；Mixed liquor in aerobic tank 31 is by way of gravity flow from the thermally coupled flow film of top
Manage pond 41.
Step 3: under the action of negative pressure, activated sludge and particulate matter are by membrane module for the mixed liquor in Dynamic Membrane processing pond 41
42 are trapped in surface, activated sludge and particulate matter constantly accumulates on the surface PTFE flat micro-filtration 42b, forms cake layer,
Cake layer is attached to the surface flat micro-filtration 42b PTFE in membrane module 42 as film medium, forms dynamic membrane filtering, water purification is saturating
It crosses PTFE flat micro-filtration 42b and is admitted to clear water reserviors 51 from the water outlet of membrane module 42；Meanwhile the portion in Dynamic Membrane processing pond 41
Divide mixed liquor then to pass through conveyance conduit and is directly back to continuation denitrogenation in denitrification pond 21.
Step 4: being discharged using after 54 pairs of water outlets progress sterilizings of chlorine dioxide generator from water delivery pipe road, part is net
Water is for carrying out regular backwash to membrane module 42.In backwash, water outlet pump 52 is closed, and backwash water pump 53 is opened, and water purification is pumped into
Membrane module 42 is aerated in conjunction with bottom perforated aeration tube 43, and cake layer or retention substance are flushed out film surface, then carried out next
The filtering in period.In addition, water outlet pump 52 is opened in normally purification work, backwash water pump 53 is closed, and can be controlled by valve real
The switching now intake with backwash.Then the water meeting overflow of flushing is again introduced into denitrification pond 21 to pump house by intake pump 25.
This system can be used PLC Automatic Control and realize the above sewage disposal process.
Treated sewage, COD removal rate can reach 95.13%, and ammonia nitrogen removal frank can reach 92.22%, total phosphorus ligands
Rate can reach 94.37%, and nitrogen removal rate can reach 89.43%.
Above embodiments are only the illustration done to technical solutions of the utility model.Involved in the utility model
Sewage disposal system is not merely defined in described structure in the embodiment above, but with model defined by claim
Subject to enclosing.Any modify or supplement or equivalent that the utility model one of ordinary skill in the art are done on the basis of the embodiment
Replacement, all in the claim of the utility model range claimed.
Claims (10)
1. a kind of sewage disposal system comprising:
Denitrification portion, comprising: denitrification pond is filled in the ferrous substrate biological coupling filler that denitrogenation is used in the denitrification pond,
The multiple fillers installation grid beam being erected in the denitrification pond, and the impeller being mounted in denitrification pond, it is described iron-based
Matter biological coupling uniform filling is filled in the multiple filler installation grid beam and forms packing area；
Aerobic portion, comprising: the aerobic tank being connected with the denitrification bottom of pond portion is filled in the aerobic tank for promoting to give birth to
The floating stuffing that object film is formed, and multiple microporous aeration discs of the aerobic tank bottom of pond are set；
Dynamic Membrane processing unit, comprising: the Dynamic Membrane processing pond being connected at the top of the aerobic tank, and be arranged in the dynamic
Membrane module in film process pond, containing microfiltration membranes；And
Clear water portion, comprising: the water delivery pipe of the clear water reserviors is arranged in the clear water reserviors being connected with the water outlet of the membrane module
Sterilizer on road.
2. sewage disposal system according to claim 1, it is characterised in that:
Wherein, in the denitrification pond, the loading density of the ferrous substrate biological coupling filler is 30~50% (V/V).
3. sewage disposal system according to claim 1, it is characterised in that:
Wherein, the spacing of adjacent filler installation grid beam is 30~50cm, the bottom of the packing area to the denitrification
The distance of pond bottom of pond is 40~60cm.
4. sewage disposal system according to claim 1, it is characterised in that:
Wherein, in the aerobic tank, the loading density of floating stuffing is 30% (V/V).
5. sewage disposal system according to claim 1, it is characterised in that:
Wherein, in the denitrification pond and the aerobic tank, the concentration of activated sludge is 6500mg/L, and sludge loading is
0.14kgCOD/(kgMLSS·d)。
6. sewage disposal system according to claim 1, it is characterised in that:
Wherein, the membrane module is MBR membrane module.
7. sewage disposal system according to claim 6, it is characterised in that:
Wherein, the filter membrane in the membrane module uses PTFE flat micro-filtration, membrane aperture 0.02um, membrane flux under pure water medium
≥500L/(m2·h)；Membrane flux is 40L/ (m under wastewater media2H),
The Dynamic Membrane processing unit further includes multiple strong aeration tubes that the Dynamic Membrane processing pond bottom of pond is arranged in.
8. sewage disposal system according to claim 1, it is characterised in that:
Wherein, the denitrification pond, the aerobic tank, the Dynamic Membrane processing pond volumetric ratio be 1:3~8:2.
9. sewage disposal system according to claim 1, it is characterised in that:
Wherein, the sterilizer is chlorine dioxide generator.
10. sewage disposal system according to claim 1, it is characterised in that:
Wherein, the clear water portion further include: the water outlet being connected between the water outlet of the membrane module and the water inlet of clear water reserviors
Pump, and the backwash water pump being connected between the backwash outlets of the clear water reserviors and the water outlet of the membrane module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820474828.4U CN208218617U (en) | 2018-04-04 | 2018-04-04 | Sewage disposal system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820474828.4U CN208218617U (en) | 2018-04-04 | 2018-04-04 | Sewage disposal system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208218617U true CN208218617U (en) | 2018-12-11 |
Family
ID=64513855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820474828.4U Expired - Fee Related CN208218617U (en) | 2018-04-04 | 2018-04-04 | Sewage disposal system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208218617U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108455799A (en) * | 2018-04-04 | 2018-08-28 | 南京瑞迪建设科技有限公司 | Sewage disposal system and method |
| CN113003866A (en) * | 2021-03-03 | 2021-06-22 | 江西绿建环保科技有限公司 | AO + facultative MBR membrane integral type sewage treatment device |
| CN114699818A (en) * | 2022-05-07 | 2022-07-05 | 北京华宇辉煌生态环保科技股份有限公司 | Dynamic membrane sewage filtration system |
-
2018
- 2018-04-04 CN CN201820474828.4U patent/CN208218617U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108455799A (en) * | 2018-04-04 | 2018-08-28 | 南京瑞迪建设科技有限公司 | Sewage disposal system and method |
| CN113003866A (en) * | 2021-03-03 | 2021-06-22 | 江西绿建环保科技有限公司 | AO + facultative MBR membrane integral type sewage treatment device |
| CN114699818A (en) * | 2022-05-07 | 2022-07-05 | 北京华宇辉煌生态环保科技股份有限公司 | Dynamic membrane sewage filtration system |
| CN114699818B (en) * | 2022-05-07 | 2023-08-18 | 北京华宇辉煌生态环保科技股份有限公司 | Dynamic membrane sewage filtering system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201268652Y (en) | Integral sewage treating device | |
| CN101514047B (en) | Compound biological membrane sewage treatment process and system | |
| CN101708934B (en) | Prepositive denitrification pre-ozonation aerated biological activated carbon filter river purification method and device | |
| CN103204607A (en) | Integrated sewage treatment device with high efficiency and low consumption and treatment method | |
| CN103402927A (en) | Sewage treatment process, sewage treatment device and membrane bioreactor for sewage treatment | |
| CN108455799A (en) | Sewage disposal system and method | |
| CN205803261U (en) | A kind of reaction precipitation integrated aerobic fluid bed | |
| CN104045154A (en) | Wastewater biological treatment system based on bio-contact oxidation process | |
| CN217868539U (en) | Sewage treatment device convenient to move | |
| CN114380454A (en) | TMBR sewage treatment process based on MABR and MBR | |
| CN106927638A (en) | A kind of multilevel deflector-type MBBR sewage disposal systems and processing method | |
| CN203360118U (en) | Improved bio-augmentation membrane bioreactor | |
| CN209872514U (en) | Composite ecological reactor based on A2O | |
| CN206127067U (en) | Container formula sludge -biofilm intergrowth integrative sewage treatment device | |
| CN102285715A (en) | Compound membrane bioreactor for treating tuber mustard waste water | |
| CN113845271B (en) | Resource water purifying device for treating rural domestic sewage and application method thereof | |
| CN114590955B (en) | Integrated rural sewage treatment station and treatment method thereof | |
| CN203411392U (en) | Biological sewage treatment system based on bio-contact oxidation technology | |
| CN203486968U (en) | Sewage treatment reaction pool | |
| CN100586879C (en) | Biological Phosphorus Removal Process Using Alternate Aeration in Biological Filter | |
| CN217202420U (en) | TMBR sewage treatment system based on MABR and MBR | |
| KR20160093875A (en) | Energy-saving septic tank | |
| CN203568905U (en) | A device for treating waste water | |
| CN115849602A (en) | Method and system for deep denitrification and cooperative pollutant removal of sewage | |
| CN201272715Y (en) | Integrated membrane biological sewage treatment device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181211 |