CN206244507U - A kind of fluid bed MBR equipment - Google Patents
A kind of fluid bed MBR equipment Download PDFInfo
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- CN206244507U CN206244507U CN201621247357.0U CN201621247357U CN206244507U CN 206244507 U CN206244507 U CN 206244507U CN 201621247357 U CN201621247357 U CN 201621247357U CN 206244507 U CN206244507 U CN 206244507U
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- pond
- sewage
- fluid bed
- transition
- mbr equipment
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a kind of fluid bed MBR equipment, the fields such as sewage disposal and reusing sewage are can be applied to.Other assemblies and facility of the MBR equipment needed for the operation of aeration tank, transition pond, UF membrane pond and equipment are constituted；In aeration tank, transition pond and these three biochemical reaction tanks of UF membrane pond, load of the suspensible porous material as microorganism is at least placed in a reaction tank, form biological fluidized bed.MBR equipment disclosed in the utility model have compact conformation, technique flexibly, biochemical reaction efficiency high, the low feature of operation energy consumption, the biodegradability of persistent organic pollutants can be substantially speeded up, be particularly suitable for oil refining, chemical industry, print and dye, brewage, cultivating, the treatment of the high concentration such as leather and papermaking and organic wastewater with difficult degradation thereby.
Description
Technical field
The utility model is related to sewage disposal and reusing sewage field, more particularly to a kind of MBR equipment.
Background technology
Membrane bioreactor（Membrane Bio-Reactor, MBR）It is a kind of by membrane separation technique and biological treatment skill
The sewage disposal system that art is combined.With membrane module substitution traditional biological treatment technology end second pond, engineering is not only reduced
High activity sludge concentration is kept in floor space, and bioreactor, the ability that system processes organic loading is improve.Simultaneously
Due to the retention of seperation film, generation cycle microorganism more long, such as nitrifier can fully breed in system, therefore MBR system
Nitrification effect it is notable.
MBR system is widely used in the daily of the dispersion users such as residence district, hotel, holiday resort, school, office building
Sanitary sewage disposal, and the industry such as beer, process hides, food, chemical industry high concentration organic sewage treatment.The product water of MBR system
Can be used to irrigating, wash, environmental sanitation, making that scape etc. is non-to drink function.If adding the technique such as counter-infiltration and sterilization, produce water and can be used for
Industry and the purposes such as drink.
In traditional MBR system, often aerator and film device are installed together.Purpose is by being aerated reduction
Fouling membrane.This configuration mode has two：One is that aeration rate is big, operation energy consumption is high；Two be front and rear entrance sewage mix
It is combined, is unfavorable for that system continous way is run.The two problems seriously constrain the application of MBR technology.
The content of the invention
The utility model is separated aerator and membrane module, and connected with transition pond by the improvement to traditional MBR system
Connect, aeration rate can be substantially reduced, increase the biochemical reaction environment of sewage effective process time, neatly control system.Especially
The porous material of suspension is set in aeration tank, transition pond and/or UF membrane pond used as the load of microorganism, promotes microorganism
Diversity and propagation, and biochemical reaction efficiency is improved to the absorption of polluter by porous material, so as to can stop in waterpower
Good sewage disposal result is obtained in the case of staying the time shorter.
A kind of fluid bed MBR equipment disclosed in the utility model, including aeration tank, transition pond, UF membrane pond and equipment fortune
Other assemblies and facility needed for row.One of feature of fluid bed MBR equipment is：Aeration tank, transition pond and UF membrane pond
Narrow vertical space is both designed as, wherein transition pond cut-off forms long and narrow passage makes sewage advance in plug-flow mode, from
And sewage stream is formed pollutant concentration gradient from high to low.The improved MBR equipment is tried one's best and avoids traditional MBR equipment
Mixed flow state, sewage stream is formed dissolved oxygen concentration gradient from high to low, make to be formed in transition pond by aerobic to anoxic
Biochemical reaction environment.
Fluid bed MBR equipment another feature is that：In aeration tank, transition pond and UF membrane pond, these three are biochemical anti-
Ying Chizhong, at least installs the porous material of suspension as the load of microorganism in a reaction tank.
The operation method and functions of MBR equipment of the present invention are described in detail below：
Sewage is introduced into aeration tank, enters back into transition pond, subsequently into UF membrane pond, the row up to standard after separating membrane filtration
Put；Aeration tank provides aerobic biochemical reaction environment for sewage, and transition pond provides the aerobic biochemical reaction environment under anaerobic condition,
UF membrane pond provides aerobic biochemical reaction environment and microfiltration process.
Into the sewage of aeration tank, can be with or without including pre- including clarification, anaerobism, anoxic, super oxidation etc.
Treatment.
In the aeration tank, bottom is provided with sewage inlet and aerator.Sewage inlet may be disposed at aeration
Above or below pipe.Sewage inlet can use distributed antipriming pipe.Aerator can use distributed antipriming pipe or porous
Plate.Because aeration tank is narrow vertical space, therefore aeration bubbles have long period and sewage during the water surface is risen to
Contact, so as to improve concentration of ordinary dissolution of the oxygen in sewage.Preferably, aerator can be using aperture is tiny, hole density is big
Porous material is manufactured, and makes aeration bubbles fine and smooth, has both reduced the rate of climb of bubble, and the contact surface of bubble and sewage is increased again
Product, so as to improve the dissolved efficiency of oxygen, it is possible to decrease aeration intensity, reduces operation energy consumption.
The aeration tank is adjacent with the transition pond, and the sewage in aeration tank can be in overflow to transition pond.Transition pond is along it
Length and width direction is separated, and sewage is passed through from the top of cut-off or bottom, so as to form one group of vertical folding
Passage.When sewage flows through transition pond, dissolved oxygen is gradually by microbial consumption, thus its concentration is gradually reduced.If increasing cut-off
Quantity, then the passage length in transition pond and the flow time of sewage accordingly increase, now, can form scarce in the end in transition pond
Oxygen animalcule environment.Therefore, in transition pond, a series of aerobic biochemical reactions to anoxic can occur, makes hardly degraded organic substance
Degraded is fully stopped, nitrification and denitrification is reacted and is strengthened, and ensure that phosphor-removing effect.
In the final overflow of sewage to adjacent UF membrane pond in the transition pond.The bottom in the UF membrane pond is provided with
Separating film module.Separating film module has aeration and filtering function concurrently.Aeration makes UF membrane pond form aerobe environment, reinforcing drop
COD and phosphor-removing effect.Filtering then retains the molecule in pond, including microorganism, parasite（Ovum）Deng making delivery turbidity and thin
Bacterium number amount reaches water outlet requirement.
In the UF membrane pond, several groups of separating film modules can replace water outlet and air recoil.During water outlet, discharge pressure can
Come from the liquid level static pressure in UF membrane pond, also may be from the vacuum of self priming pump.During air recoil, seperation film can both be carried out clearly
It is clean, aeration can be played a part of again.Similar to the aeration tank, UF membrane pond is also narrow vertical space, therefore liquid level is quiet
Pressure ratio is larger, aeration efficiency comparison is high, so as to greatly reduce the operation energy consumption in UF membrane pond.
Sewage in the UF membrane pond can wholly or largely separated film discharge.Fraction sewage is reflowable to described
In the anoxic pond of MBR front equipment ends or in the aeration tank of the MBR equipment.
Fluid bed MBR equipment of the present invention, porous material is arranged on aeration tank, the transition of equipment in a floating manner
In pond and/or UF membrane pond, biological fluidized bed is formed.Porous material is water insoluble and resistance to microbial attack, including but not limited to
Inorganic material, high-molecular organic material and metal material etc..Porous material is through-hole structure, and macroscopically, material is to include but not
It is limited to the forms such as spongy, graininess；On microcosmic, its skeleton forms Gao Bibiao by including but not limited to the structure such as micropore, concavo-convex
Face.Preferably, macropore and size micropore less than 10 μm of the material by size more than 2 mm is constituted, and macropore is conducive to sewage
Circulation mass transfer, micropore is conducive to the attachment of microorganism and the absorption of organic pollution.Common this kind of material includes polyurethane foam
Foam, activated carbon granule, hollow resin filler etc..
Especially in transition pond, long and narrow water channel is formed by cut-off, similar to oxidation ditch process facility.Unlike,
Oxidation ditch process needs the engineering land used of large area, and the present invention then makes full use of vertical space to substantially reduce equipment occupation of land face
Product.To improve the water treatment capacity of small space, biological fluidized bed has played important function：1. for microorganism provides load, promote
The propagation and diversity of microorganism are entered；2. pollutant is adsorbed, the pollutant concentration in reaction tank current is substantially reduced, because
This can reduce hydraulic detention time；3. sewage, air, microorganism is fully contacted exchange, be conducive to dividing for hardly degraded organic substance
Solution.
In a word, fluid bed MBR equipment can easily set each reaction tank, especially the biochemical reaction ring in transition pond
Border, to adapt to the property of MBR water inlets.Can be according to the situation such as pollutant kind, biodegradability and concentration in water inlet, by each reaction tank
Dissolved oxygen adjust to suitable concn, the water treatment efficiency in equipment is reached optimum state.
The beneficial effects of the invention are as follows：Fluid bed MBR equipment have compact conformation, technique flexibly, biochemical reaction efficiency high,
The low feature of operation energy consumption；Biological fluidized bed promotes the propagation and diversity of microorganism, and by porous material to pollutant
The absorption of matter, improves biochemical reaction efficiency, can substantially speed up the biodegradability of persistent organic pollutants, is particularly suitable for refining
Oil, chemical industry, print and dye, brewage, cultivating, the treatment of the high concentration such as leather and papermaking and organic wastewater with difficult degradation thereby；The equipment and technology was both
It is adapted to the small-sized integrated sewage disposal device of manufacture, also is adapted for extensive sewage disposal application.
Brief description of the drawings
Fig. 1 is a kind of agent structure schematic diagram of fluid bed MBR device instances 1 of the invention；
The mark of each part is as follows in accompanying drawing：1st, aeration tank；11st, sewage inlet；12nd, aerator；2nd, transition pond；21、
Cut-off；22nd, overflow liquid level；23rd, system exhaust/system overfall；24th, the sewage flow mouthful of cut-off bottom（Density bullet）；
25th, the sewage overflow mouthful on cut-off top（White marking）；3rd, UF membrane pond；31st, separating film module（Band water outlet and gas recoil tube
Road）；4th, sludge outlet；5th, porous material carrier.
Specific embodiment
Presently preferred embodiments of the present invention is described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, is more specifically defined so as to be made to protection scope of the present invention.
Embodiment 1
Fig. 1 is the agent structure schematic diagram of the embodiment of the present invention 1.This fluid bed MBR stainless steel for equipment material manufactures,
Including aeration tank 1, transition pond 2, UF membrane pond 3, also including do not have in figure display, can guarantee that equipment operation needed for other
Component and facility.Equipment body size is 1.3 m long, 0.3 m wide, 1 m high, and 0.25 m is grown in wherein aeration tank 1, and transition pond 2 is grown
Grow 0.3 m in 0.75 m, UF membrane pond 3.Equipment compact, is suitable for the sewage disposal and reuse of domestic consumer.
In this example, sewage inlet 11 and aerator 12 are provided with aeration tank 1.Aerator 12 is by hollow structure
Flat ceramic separation film composition, the aperture of ceramic separation film is 1 ~ 5 μm.Sewage inlet 11 is located at the top of aerator 12,
The distributed drainage arrangement being made up of stainless steel tube；The circular hole of the mm of one row's diameter 2 is arranged at the bottom of stainless steel tube, is beneficial to dirt
Current direction aerator 12, makes sewage be sufficiently mixed with bubble, and prevents from depositing solid-state debris in stainless steel tube, causes sewage to enter
Mouth 11 is blocked.
Transition pond 2 is separated into 4 long and narrow spaces with 3 pieces of cut-offs 21.As illustrated, this 4 long and narrow spaces by every
The overfall on disconnected 21 tops or the outlet of bottom, form about 4 m water stream channels long, before making sewage in plug-flow mode
Enter, prevent the sewage of different biochemical stages from mixing.
In each long and narrow space in transition pond 2,0.5 kilogram of length of side of placement is the polyurethane foam cubic block of 2 cm.
The water inlet of the upper and lower part of long and narrow space, delivery port set the stainless (steel) wire of the cm of aperture 0.5, by each long and narrow space
Polyurethane foam is isolated, is limited in respective long and narrow space, it is to avoid the polyurethane foam in different long and narrow spaces mixes, causes
The confusion of microbiologic population.The porosity of the polyurethane foam is more than 80%, and specific surface area is more than 3 × 104 m2/m3；It is described
Polyurethane foam skeleton has good compatibility to microorganism and enzyme, and load of microorganisms amount is up to 18 g/L.The polyurethane
Foam surface is conducive to the breeding of aerobic microbiological group；Because dissolved oxygen is consumed by external microbial inside it, anoxic is formed extremely
Anaerobic state, is conducive to the breeding of anaerobe.Therefore, in polyurethane foam, can simultaneously realize that nitrification and denitrification is same
Step is carried out.
Two groups of separating film modules 31 are provided with UF membrane pond 3, separating film element is using flat with hollow structure
Ceramic separation film, it is 0.1 ~ 0.5 μm to separate membrane aperture.This two groups of separating film modules alternately water outlet and air recoil are washed
Journey.The wherein washed journey of air recoil plays a part of two aspects：One is that clean separation film is allowed to keep flux, and two has been aeration
Effect.The double action of cleaning and aeration, advantageously reduces the operation energy consumption in UF membrane pond.
On the top in UF membrane pond, system exhaust/system overfall 23 is provided with, for the flat of system air pressure and water level
Weighing apparatus.The sewage of overflow is reflowable to aeration tank 1, also the reflowable front end cesspool to this equipment（Such as Buffer Pool, or anoxic pond
Deng）.
When equipment is run, sewage is introduced into aeration tank, enters back into transition pond, subsequently into UF membrane pond, by seperation film
Qualified discharge after filtering.Sewage flowing in a device, comes from the static pressure of liquid level.
Aeration tank provides aerobic biochemical reaction environment for sewage, and transition pond provides the aerobic biochemical reaction under anaerobic condition
Environment, UF membrane pond provides aerobic biochemical reaction environment and microfiltration process.
This example have compact conformation, technique flexibly, biochemical reaction efficiency high, the low feature of operation energy consumption, be suitable for house
The treatment of a small amount of sewage yield such as front yard.
Embodiment 2
The main body of the present embodiment is identical with example 1, simply in transition pond, is filled out using Polypropylene copolymer resin hollow
Material.Filler size is 10 mm, and the mm of hole size 2 ~ 5, specific surface area is 500 m2/m3.The specific surface area of the cavity filling
It is smaller, it is internally formed at it and does not form anaerobic environment, the phosphor-removing effect of system is not influenceed.
The foregoing is only embodiments of the invention, simply the application example is gathered around for the size of equipment, part and material etc.
Some special types, not thereby limit the scope of the claims of the invention, and according to applied environment and scale, equipment can select suitable chi
Very little, part and material etc..Equivalent structure or equivalent flow conversion that every utilization description of the invention and accompanying drawing content are made, or
Other related technical fields are directly or indirectly used in, are included within the scope of the present invention.
Claims (7)
1. a kind of fluid bed MBR equipment, including aeration tank, transition pond and UF membrane pond, it is characterised in that：In aeration tank, transition
In pond and these three biochemical reaction tanks of UF membrane pond, suspensible porous material is at least placed in a reaction tank as micro- life
The load of thing, forms biological fluidized bed.
2. a kind of fluid bed MBR equipment according to claim 1, it is characterised in that：The suspensible porous material is not
Water and resistance to microbial attack, including but not limited to inorganic material, high-molecular organic material and metal material are dissolved in, porosity is not
Less than 20%.
3. a kind of fluid bed MBR equipment according to claim 1, it is characterised in that：The suspensible porous material is
Through-hole structure；Macroscopically, material is including but not limited to spongy, particulate form；On microcosmic, its skeleton by comprising but do not limit
High-ratio surface is formed in micropore, concaveconvex structure；Macropore and size micropore less than 10 μm of the material by size more than 2mm is constituted,
Macropore is conducive to the circulation mass transfer of sewage, micropore to be conducive to the attachment of microorganism and the absorption of organic pollution.
4. a kind of fluid bed MBR equipment according to claim 2, it is characterised in that：The suspensible porous material with
The mode of suspension is placed in the MBR reactors.
5. a kind of fluid bed MBR equipment according to claim 1, it is characterised in that：The transition pond is at least with 1 piece of cut-off
The transition pond is set to form vertical gallery, sewage can only pass through from the top of cut-off or bottom, in approximate plug-flow mode
Advance.
6. a kind of fluid bed MBR equipment according to claim 5, it is characterised in that：The transition pond is separated by increasing
Quantity, sewage pulling flow type is advanced, the sewage of different biochemical stages do not mix, so that being formed in transition pond from aerobic
To the bioenvironmental transition of anoxic.
7. a kind of fluid bed MBR equipment according to claim 1, it is characterised in that：The aeration tank provides for sewage
Oxygen biochemical reaction environment, the transition pond provides the aerobic biochemical reaction environment under anaerobic condition, and UF membrane pond provides aerobic
Biochemical reaction environment and microfiltration process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621247357.0U CN206244507U (en) | 2016-11-22 | 2016-11-22 | A kind of fluid bed MBR equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621247357.0U CN206244507U (en) | 2016-11-22 | 2016-11-22 | A kind of fluid bed MBR equipment |
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| Publication Number | Publication Date |
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| CN206244507U true CN206244507U (en) | 2017-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621247357.0U Expired - Fee Related CN206244507U (en) | 2016-11-22 | 2016-11-22 | A kind of fluid bed MBR equipment |
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| Country | Link |
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| CN (1) | CN206244507U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106745731A (en) * | 2016-11-22 | 2017-05-31 | 邵俊轩 | A kind of fluid bed MBR equipment |
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2016
- 2016-11-22 CN CN201621247357.0U patent/CN206244507U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106745731A (en) * | 2016-11-22 | 2017-05-31 | 邵俊轩 | A kind of fluid bed MBR equipment |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170613 Termination date: 20211122 |
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| CF01 | Termination of patent right due to non-payment of annual fee |