CN106630138A - Integrated gas internal circulating anaerobic baffle membrane bioreactor - Google Patents
Integrated gas internal circulating anaerobic baffle membrane bioreactor Download PDFInfo
- Publication number
- CN106630138A CN106630138A CN201710070765.6A CN201710070765A CN106630138A CN 106630138 A CN106630138 A CN 106630138A CN 201710070765 A CN201710070765 A CN 201710070765A CN 106630138 A CN106630138 A CN 106630138A
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- anaerobic
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- region
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
- C02F3/284—Anaerobic digestion processes using anaerobic baffled reactors
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
- C02F3/2853—Anaerobic digestion processes using anaerobic membrane bioreactors
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
- C02F3/286—Anaerobic digestion processes including two or more steps
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- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
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- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses an integrated gas internal circulating anaerobic baffle membrane bioreactor which comprises an anaerobic baffle reaction region and an anaerobic membrane bioreaction region, wherein a water inlet and a sludge discharge opening I are formed in the sidewall of the anaerobic baffle reaction region, and a gas collection opening I is formed in the top of the anaerobic baffle reaction region; the anaerobic baffle reaction region comprises a plurality of compartments, a baffle is arranged in each compartment, and each compartment is divided into a falling region and a rising region by the corresponding baffle in the flowing direction of sewage to be treated; a sludge discharge opening II is formed in the sidewall of the anaerobic membrane bioreaction region, and a gas collection opening II is formed in the top of the anaerobic membrane bioreaction region; a plurality of anaerobic membranes are arranged in the anaerobic membrane bioreaction region, and a membrane water outlet is formed in the upper part of each anaerobic membrane, and is communicated with a water outlet pipe; both the gas collection openings I and II are communicated with a gas collection bag. After the sewage is biodegraded by an anaerobic fixed bed, suspending solids entering a membrane separation region are greatly reduced, the membrane pollution degree is greatly reduced, long-term running and maintenance of the membranes are facilitated, and the economy is improved.
Description
Technical field
The present invention relates to a kind of integrated air internal circulating anaerobic deflection plate membrane bioreactor, belongs to anaerobic waste water fermentation
Field.
Background technology
With the deterioration of China's water environment, for the process of various waste water is put forward higher requirement.High concentration organic waste
Water is big to the pollution level of environment water, and intractability is higher, is one of difficult problem of current environmental protection research field.It is main at present
The Anaerobic Methods in Treating wanted can not effectively process the waste water containing high suspended matter or the power of stirring mixing is big, go out aqueous suspension
Thing concentration is high, and subsequent treatment is difficult, and often needs the combination of multiple units, and technological process is long, and management difficulty is big, and short routeization is needed
Ask urgent.Therefore it provides a kind of low energy consumption, high efficiency and can effectively go oil removal integral type anerobic sowage process dress
Put imperative.
The content of the invention
It is an object of the invention to provide a kind of integrated air internal circulating anaerobic deflection plate membrane bioreactor, of the invention to exist
Anterior in whole reactor arranges flap, makes waste water and is efficiently degraded by anaerobic sludge bed with this, afterwards into film
Reaction zone is filtered, under anaerobic environment, suspended solid is filtered out by micro-filtration, suspension is not contained in water outlet.
Integrated air internal circulating anaerobic deflection plate membrane bioreactor provided by the present invention, it includes anaerobic baffle plate
Reaction zone and anaerobic membrane biological reaction area；
The side wall of the anaerobic baffle plate reaction zone is provided with water inlet and mud discharging mouth I, and its top is provided with collection gas port I；
The anaerobic baffle plate reaction zone includes several compartments, and a deflection plate is provided with each described compartment, and edge waits to locate
The flow direction of reason sewage, the deflection plate is by the compartment Cheng Jiangliu areas and flows up area；
The side wall in the anaerobic membrane biological reaction area is provided with mud discharging mouth II, and its top is provided with collection gas port II；
Several anaerobic membranes are provided with the anaerobic membrane biological reaction area, the top of the anaerobic membrane is provided with film delivery port,
The film delivery port is connected with outlet pipe, the other end connection discharging container of the outlet pipe；
The mud discharging mouth I and the mud discharging mouth II are connected with discharge pipeline, and the discharge pipeline is connected with spoil disposal container；
The collection gas port I and the collection gas port II are connected with collection airbag.
In above-mentioned bioreactor, the mud discharging mouth I and the mud discharging mouth II are located at the anaerobic membrane biological reaction
The bottom of the side wall in area.
In above-mentioned bioreactor, in each described compartment, the width in the up-flow area is more than the width in the Jiang Liu areas
Degree, the width refers to the flow direction of sewage, and such as the Jiang Liu areas and the width ratio in the up-flow area are 1：3, so set
It is equipped with beneficial to carrying out between anaerobe good contact during drainage flow.
In above-mentioned bioreactor, the lower end of the deflection plate is turned up to the up-flow area, can promote sewage and anaerobism
The good contact of microorganism.
In above-mentioned bioreactor, in the anaerobic baffle plate reaction zone, it is provided with above each described up-flow area
The collection gas port I, facilitates aerogenesis to enter collection system, it is ensured that bioreactor inside is in atmospheric pressure state.
In above-mentioned bioreactor, it is provided between the anaerobic baffle plate reaction zone and the anaerobic membrane biological reaction area
Grid, may filter that the suspension and other granule foreigns in sewage, prevent the sewage for entering anaerobic membrane biological reaction area from carrying outstanding
The scratching and blocking to the anaerobic membrane of the impurity such as float.
In above-mentioned bioreactor, the collection airbag is connected with aeration loop；
The other end connection micropore aeration pipe in the aeration loop, the micropore aeration pipe is anti-located at the anaerobic membrane biosystem
The bottom of the anaerobic membrane in area is answered, is extracted out the biogas in the bioreactor and the collection airbag with pump, and be passed into
In the micropore aeration pipe, the biogas discharged in the micropore aeration pipe drives liquid between the anaerobic membrane (with baffle plate)
Rise in space, the surface of the anaerobic membrane is washed away, prevent and treat the formation of fouling membrane.
In above-mentioned bioreactor, in the anaerobic membrane biological reaction area, the both sides of each anaerobic membrane are equipped with
One baffle plate, for carrying out water conservancy diversion to the gas that the micropore aeration pipe is produced.
In above-mentioned bioreactor, the anaerobic membrane is microfiltration membranes, for filtering microorganism and suspended solid.
Integrated air internal circulating anaerobic deflection plate membrane bioreactor of the present invention has the advantage that：
(1) sewage have passed through anaerobism fixed bed (i.e. anaerobic baffle plate reaction zone) it is biodegradable after, enter into UF membrane
The suspended solid in area (i.e. anaerobic membrane biological reaction area) is greatly lowered, and fouling membrane degree is greatly reduced, and is conducive to film
Longtime running maintenance, improves economy.
(2) after the device of the present invention, film water outlet does not contain suspension to sewage, and water quality is increased substantially, and is conducive to follow-up
Further biochemical treatment, advanced treating and reuse.
(3) separation of film original position in the system of anaerobic fermentation is carried out, and using the biogas for producing interior circulation cleaning film is carried out,
Reduce energy consumption.
(4) before sewage enters membrane separation zone, the grid for separating suspended particulate is provided with, reduces the pollution to film.
Description of the drawings
Fig. 1 is the front view of integrated air internal circulating anaerobic deflection plate membrane bioreactor of the present invention.
Fig. 2 is the top view of integrated air internal circulating anaerobic deflection plate membrane bioreactor of the present invention.
Fig. 3 is the partial enlarged drawing of grid in integrated air internal circulating anaerobic deflection plate membrane bioreactor of the present invention.
Each mark is as follows in figure：
1 anaerobic baffle plate reaction zone, 2 mud discharging mouths, 3 crusts of the device, 4 deflection plates, 5 water inlets, 6 collection airbags, 7 grids, 8 gears
It is plate, 9 anaerobic membranes, 10 collection gas ports, 11 aeration loops, 12 outlet pipes, 13 discharging pumps, 14 discharging containers, 15 gas circulators, 16 micro-
Hole aeration tube, 17 anaerobic membrane biological reaction areas, 18 film delivery ports, 19 discharge pipelines, 20 sludge pumps, 22 spoil disposal containers.
Specific embodiment
Below in conjunction with the accompanying drawings the present invention will be further described, but the invention is not limited in following examples.
Experimental technique used in following embodiments if no special instructions, is conventional method.
Material used, reagent etc. in following embodiments, if no special instructions, commercially obtain.
As depicted in figs. 1 and 2, the master of integrated air internal circulating anaerobic deflection plate membrane bioreactor respectively of the present invention
View and top view, including anaerobic baffle plate reaction zone 1 (in left-hand broken line square frame) and (the right side void of anaerobic membrane biological reaction area 17
In line square frame).Multiple compartments (the present embodiment arranges 2) are provided with anaerobic baffle plate reaction zone 1,1 is provided with each compartment
Deflection plate 4, along the flow direction of sewage, by each compartment in anaerobic baffle plate reaction zone 1 into 1 Ge Jiangliu areas and 1
Up-flow area, wherein, the width in Jiang Liu areas less than the width in up-flow area, be so conducive to during drainage flow with anaerobe
Between carry out good contact, the present embodiment Zhong Jiangliu areas are 1 with the width ratio in up-flow area：3.In each compartment under deflection plate 4
Hold to up-flow area and turn up, to promote the good contact of sewage and anaerobe.The side wall of anaerobic baffle plate reaction zone 1 is provided with
Water inlet 5 and mud discharging mouth 2, may be contained within crust of the device 3, and mud discharging mouth 2 located at crust of the device 3 bottom at, mud discharging mouth 2 with
Discharge pipeline 19 is connected, and sludge is discharged in spoil disposal container 21 by sludge pump 20；The top of anaerobic baffle plate reaction zone 1 is in up-flow
The position corresponding position in area is equipped with a collection gas port 10, and it is connected with collection airbag 6, so as to produce in anaerobic baffle plate reaction zone 1
Raw gas collection is in collection airbag 6.Grid 7 is provided between anaerobic baffle plate reaction zone 1 and anaerobic membrane biological reaction area 17, such as
Shown in Fig. 3, for removing sewage in impurity, prevent scratching and blocking to film.The top in anaerobic membrane biological reaction area 17 sets
There is collection gas port 10, it is connected with collection airbag 6, so as to the gas collection that will be produced in anaerobic membrane biological reaction area 17 is in collection airbag
In 6, side wall is provided with mud discharging mouth 2, and mud discharging mouth 2 is connected with discharge pipeline 19, and sludge is discharged into spoil disposal container 21 by sludge pump 20
In；5 anaerobic membranes 9 are provided with inside anaerobic membrane biological reaction area 17, anaerobic membrane 9 is microfiltration membranes, for filtering microorganism and suspension
Solid.The top of each anaerobic membrane 9 is provided with film delivery port 18, and film delivery port 18 is connected with outlet pipe 12, outlet pipe 12 it is another
Discharging pump 13 is set on one end connection discharging container 14, and outlet pipe 12.It is the biogas using generation in sewage disposal process, will
Collection airbag 6 is connected with aeration loop 11, and the other end connection micropore aeration pipe 16 in aeration loop 11, micropore aeration pipe 16 is located at
The bottom of anaerobic membrane 9 in anaerobic membrane biological reaction area 17, for carrying out flush clean to film, while realizing adopting anaerobic baffle plate
The purpose of the biogas interior circulation that reaction zone 1 is produced, it is ensured that the anaerobic environment in anaerobic membrane biological reaction area 17.In order to realize to gas
Water conservancy diversion, baffle plate 8 is respectively provided with the both sides of each anaerobic membrane 9, to carry out water conservancy diversion to the gas that micropore aeration pipe 16 is produced.
Sewage disposal is carried out using integrated air internal circulating anaerobic deflection plate membrane bioreactor of the present invention：
Embodiment 1,
The integrated air internal circulating anaerobic deflection plate membrane bioreactor for adopting for cuboid, anaerobic baffle plate reaction zone
It is 1 with the length ratio in anaerobic membrane biological reaction area：3.
Anaerobic sludge is inoculated with from the different sludge concentrations in anaerobic membrane biological reaction area 17 according to anaerobic baffle plate reaction zone 1.
Piggery wastewater (COD=10000-15000mg/L, SS=1000-2000mg/L) is pumped into from water inlet 5, is pumped into anaerobic baffled
The first compartment of plate reaction zone 1, then through second compartment (sequentially pass through in each compartment Jiang Liu areas and up-flow area), COD and
SS clearances are respectively 90-93% and 75-80%, i.e. COD and SS Jing after anaerobic baffle plate reaction zone, anti-into anaerobic membrane biosystem
The concentration for answering area 17 is respectively 700-1500mg/L and 200-500mg/L；Piggery wastewater is into anaerobic membrane biological reaction area 17
Through grid 7, to retain the impurity of 80-85%, waste water through anaerobic membrane 9 effect (flux of film be 5L/h), the water of purification
Discharged by discharging pump 13 from outlet pipe 12.The micropore aeration pipe 16 of the lower section of anaerobic membrane biological reaction area 17 passes through gas circulator
15, the biogas recirculation that whole reactor is produced is cleaned in micropore aeration pipe 16 to corresponding anaerobic membrane 9.Film goes out
The COD of water is 300-400mg/L, and SS is 150-200mg/L.Total hydraulic detention time is 5 days, during whole service, is protected
The water temperature for holding whole reactor is 35～37 DEG C.
Understand whole reactor for the clearance of COD and SS respectively reaches 96-98% and 80-92.5%.
Embodiment 2,
The integrated air internal circulating anaerobic deflection plate membrane bioreactor for adopting for cuboid, anaerobic baffle plate reaction zone
It is 1 with the length ratio in anaerobic membrane biological reaction area：3.
Anaerobic sludge is inoculated with from the different sludge concentrations in anaerobic membrane biological reaction area 17 according to anaerobic baffle plate reaction zone 1.
Cattle farm waste water (COD=20000-22000mg/L, SS=25000-28000mg/L) is pumped into from water inlet 5, anaerobism folding is pumped into
The first compartment of stream plate reaction zone 1, then through second compartment (Jiang Liu areas and up-flow area are sequentially passed through in each compartment), COD
With SS clearances 85-90% and 80-85%, i.e. COD and SS are respectively Jing after anaerobic baffle plate reaction zone, into anaerobic membrane biosystem
The concentration of reaction zone 17 is respectively 2000-3300mg/L and 3750-5600mg/L；Cattle farm waste water is entering anaerobic membrane biological reaction
Area 17 through grid 7, will retain the impurity of 80-85%, and waste water is purified through the effect (flux of film is 5L/h) of anaerobic membrane 9
Water discharged by discharging pump 13 from outlet pipe 12.The micropore aeration pipe 16 of the lower section of anaerobic membrane biological reaction area 17 is circulated by gas
Pump 15, the biogas recirculation that whole reactor is produced is cleaned in micropore aeration pipe 16 to corresponding anaerobic membrane 9.Film
The COD of water outlet is 400-600mg/L, and SS is 200-700mg/L.Total hydraulic detention time is 5 days, during whole service,
The water temperature for keeping whole reactor is 35～37 DEG C.Whole reactor respectively reaches 97-98% for the clearance of COD and SS
And 97-99.2%.There is slight clogging after reactor runs 6 months in film.
Common anaerobic membrane bioreactor is set as a comparison：
The anaerobic sludge of common anaerobic membrane bioreactor inoculation is with as the inoculation of anaerobic membrane biological reaction area.Water inlet is high
Concentration cattle farm waste water (COD=20000mg/L, SS=25000mg/L), waste water through film effect (flux of film be 5L/h),
The water of purification is discharged from outlet pipe by discharging pump.Miniature aeration tube below film is produced whole reactor by gas circulator
Raw biogas recirculation is cleaned in aeration tube to corresponding film.The COD of film water outlet is 6000mg/L, and SS is 2000mg/
L.Total hydraulic detention time is 5 days, and during whole service, the water temperature for keeping whole reactor is 35～37 DEG C.It is whole anti-
Device is answered to respectively reach 70% and 92% for the clearance of COD and SS, aqueous concentration is not up to waste water of livestock poultry discharge standard.Film
After reactor runs 1 month, there is slight clogging.
Bioreactor of the present invention can be seen that for the COD and SS of high concentration cattle farm waste water have preferably by above-mentioned contrast
Treatment effect, and extend the film contaminated time.
Claims (9)
1. a kind of integrated air internal circulating anaerobic deflection plate membrane bioreactor, it is characterised in that：It includes anaerobic baffle plate
Reaction zone and anaerobic membrane biological reaction area；
The side wall of the anaerobic baffle plate reaction zone is provided with water inlet and mud discharging mouth I, and its top is provided with collection gas port I；
The anaerobic baffle plate reaction zone includes several compartments, a deflection plate is provided with each described compartment, along pending dirt
The flow direction of water, the deflection plate is by the compartment Cheng Jiangliu areas and flows up area；
The side wall in the anaerobic membrane biological reaction area is provided with mud discharging mouth II, and its top is provided with collection gas port II；
Several anaerobic membranes are provided with the anaerobic membrane biological reaction area, the top of the anaerobic membrane is provided with film delivery port, described
Film delivery port is connected with outlet pipe, the other end connection discharging container of the outlet pipe；
The mud discharging mouth I and the mud discharging mouth II are connected with discharge pipeline, and the discharge pipeline is connected with spoil disposal container；
The collection gas port I and the collection gas port II are connected with collection airbag.
2. bioreactor according to claim 1, it is characterised in that：In each described compartment, the width in the up-flow area
Width of the degree more than the Jiang Liu areas.
3. bioreactor according to claim 1 and 2, it is characterised in that：The lower end of the deflection plate is to the up-flow
Turn up in area.
4. the bioreactor according to any one of claim 1-3, it is characterised in that：The anaerobic baffle plate reaction zone
It is interior, the collection gas port I is provided with above each described up-flow area.
5. the bioreactor according to any one of claim 1-4, it is characterised in that：The anaerobic baffle plate reaction zone
Grid is provided between the anaerobic membrane biological reaction area.
6. the bioreactor according to any one of claim 1-5, it is characterised in that：The collection airbag and aeration loop
It is connected；
The other end connection micropore aeration pipe in the aeration loop, the micropore aeration pipe is located at the anaerobic membrane biological reaction area
The bottom of the interior anaerobic membrane.
7. the bioreactor according to any one of claim 1-6, it is characterised in that：The anaerobic membrane biological reaction area
Interior, the both sides of each anaerobic membrane are equipped with a baffle plate.
8. the bioreactor according to any one of claim 1-7, it is characterised in that：The anaerobic membrane is microfiltration membranes.
9. a kind of processing method of waste water, it is characterised in that：Using following in integrated air any one of claim 1-8
Ring anaerobic baffle plate membrane bioreactor, makes waste water flow through the anaerobic baffle plate reaction zone and anaerobic membrane biological reaction successively
Area, that is, realize the process to the waste water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710070765.6A CN106630138A (en) | 2017-02-09 | 2017-02-09 | Integrated gas internal circulating anaerobic baffle membrane bioreactor |
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| CN201710070765.6A CN106630138A (en) | 2017-02-09 | 2017-02-09 | Integrated gas internal circulating anaerobic baffle membrane bioreactor |
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ID=58844878
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107629947A (en) * | 2017-11-08 | 2018-01-26 | 中国农业大学 | A kind of method and device of biomethanation and synchronized desulfuring |
| CN108128893A (en) * | 2017-12-25 | 2018-06-08 | 天津膜天膜科技股份有限公司 | A kind of anaerobe reactor |
| CN108585172A (en) * | 2018-04-27 | 2018-09-28 | 浙江工商大学 | It is a kind of to be used to that the anaerobism of microbiological anaerobic fermentation stage to be accelerated quickly to start reactor and method |
| CN112537845A (en) * | 2020-12-02 | 2021-03-23 | 北京建筑大学 | Rural sewage anaerobic resource utilization system and method |
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| CN107629947A (en) * | 2017-11-08 | 2018-01-26 | 中国农业大学 | A kind of method and device of biomethanation and synchronized desulfuring |
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| CN112537845A (en) * | 2020-12-02 | 2021-03-23 | 北京建筑大学 | Rural sewage anaerobic resource utilization system and method |
| CN112537845B (en) * | 2020-12-02 | 2022-05-17 | 北京建筑大学 | Rural sewage anaerobic resource utilization system and method |
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