CN208249994U - A kind of novel MBBR reactor - Google Patents
A kind of novel MBBR reactor Download PDFInfo
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- CN208249994U CN208249994U CN201820427902.7U CN201820427902U CN208249994U CN 208249994 U CN208249994 U CN 208249994U CN 201820427902 U CN201820427902 U CN 201820427902U CN 208249994 U CN208249994 U CN 208249994U
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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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Abstract
The utility model discloses a kind of novel MBBR reactors, it include: reactor body, water circulation pipe, aerator and several biological attachment carriers, water circulation pipe includes water inlet pipe and outlet pipe, the top in reactor body is arranged in the water outlet of outlet pipe, the bottom in the reactor body is arranged in the inlet opening of water inlet pipe, and lower part is equipped with slope in reactor body.The arc strip organic glass grid of carrier of separating and circulation line water sucking mouth is equipped in reactor body, interval is less than the side length of carrier.Inlet pipeline outside reactor body is set and is equipped with Three-direction rotary plug valve, respectively opening/closing water inlet and nutrient solution, the inlet pipeline of bottom or the nutrition liquid pipeline import on top are connected in Three-direction rotary plug valve and reactor.The beneficial effects of the utility model are: avoiding pipeline and apopore from blocking and improving the dissolved efficiency of dissolved oxygen.
Description
Technical field
The utility model belongs to the biological treatment field of waste water or sewage, and in particular to a kind of Novel movable bed biomembrane
MBBR reactor.
Background technique
With process and the population expansion sharply of modernization industry, water pollution problems has become one of social focus,
The method of sewage treatment at present mainly active sludge and biofilm two major classes.Though activated sludge process is more mature, account for
Ground area is big, and capital cost is high, and operational effect is influenced vulnerable to water quality and water variation, therefore moving bed biofilm reactor
(MBBR) it comes into being.The principle of MBBR is improved in reactor by adding a certain number of suspending carriers into reactor
Biomass and biological species, to improve the treatment effeciency of reactor.The basic environment of microbe survival is by original air-liquid two
Phase transition is gas, liquid, solid three-phase, this to be changed into microorganism and create richer existence form, form one it is more complicated
The combined type ecosystem.Suspended sludge in the biomembrane and liquid phase of carrier surface respectively plays its degradation advantage.In MBBR
In, there are dissolved oxygen gradient, the outer surface dissolved oxygen concentration height of microorganism wadding body or biomembrane, with good in biofilm carrier
Based on oxygen nitrifier and ammonifiers；Deeply inside is obstructed by oxygen transmitting and dissolved outside oxygen largely consumes and generates anoxic
Area, denitrifying bacterium are dominant bacteria, so as to cause the generation of simultaneous nitrification-denitrification (SND).
Although simultaneous nitrification-denitrification (SND) can occur for MBBR reactor, in actual operation there are still compared with
Big problem, such as: (1) method of operation for being aerated and being disturbed with aeration plate by tradition will cause sponge accumulation often
And aeration pump is made to be in idling conditions, i.e., sponge is still accumulated in reactor bottom or ramp under biggish aeration quantity,
Nutriment in water and mass transfer effect is very poor between microorganism in this case not only results in disposed of in its entirety sewage effect
Rate decline, also will cause falling off for biomembrane on sponge carrier, and the biomembrane to fall off can block apopore, in addition to this part of
The anaerobic environment of anaerobic denitrifying bacteria inside sponge carrier is destroyed, and the microorganism mortality in reactor is caused；
(2) traditional aeration mode will be due to respect to holding sewage fluidised form, and the air particle diameter that aeration plate exposes is larger, in
It is that gas-liquid interface diameter increases, gas-oil interfaces are big, and bubble diffusion is uneven, and dissolution oxygen dissolved efficiency is low, waste of energy；(3)
Traditional nutrient solution water intake mode is easy so that the microorganism in reactor breeds to form fine and close life along the pump line of nutrient solution
Object film cause don't blockage, shorten pump line service life.
Summary of the invention
It can be avoided pipeline and apopore obstruction technical problem to be solved by the invention is to provide one kind and improve dissolution
The novel MBBR reactor of the dissolved efficiency of oxygen.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is that: a kind of novel MBBR reactor, comprising:
Reactor body, water circulation pipe, aerator and several biological attachment carriers, the water circulation pipe include water inlet pipe and
Outlet pipe, it is characterised in that: the top in the reactor body is arranged in the water outlet of the outlet pipe, the water inlet pipe
The bottom in the reactor body is arranged in inlet opening, and lower part is equipped with slope in reactor body.
The grid of carrier of separating and circulation line water sucking mouth is equipped in the reactor body.
The grid is arc strip organic glass, and interval is less than the side length of carrier.
Inlet pipeline outside reactor body is set and is equipped with Three-direction rotary plug valve, respectively opening/closing water inlet and nutrient solution.
The nutrition liquid pipeline import on the inlet pipeline of bottom or top is connected in the Three-direction rotary plug valve and reactor.
The inlet pipeline of bottom is equipped with water circulating pump in the Three-direction rotary plug valve and reactor.
The aerator is that several are laid in the micro-pore aeration item of bottom in reactor body, the micro-pore aeration item
It is connect with the aeration pump outside reactor body.
Micro-pore aeration item bottom cycle pipeline water inlet position in reactor body is arranged symmetrically.
The biological attachment carrier in reactor body is square sponge block.
It is soft using PE using hard PE tubing, outside that the circulation line material is located at the part inside reactor body
Pipe, and connected between pipeline with snap ring-type or bayonet type connector.
The utility model has the beneficial effects that it is the method for operation disturbed that (1), which is improved with aeration plate, it is changed in reactor
Portion increases circulation line water sucking mouth and circulation line water inlet, and water circulating pump auxiliary is subject to outside reactor, provides disturbance；
(2) aeration mode for improving traditional aeration plate, is changed to using micro-pore aeration item, to guarantee that gas-liquid interface diameter is small, gas-liquid circle
Area is big, bubble diffusion is uniform, dissolution oxygen dissolved efficiency is high, reduces the cost of reactor operation, improvement reactor is run
Effect；(3) curved surface grid is increased, plays the role of separating circulation line water sucking mouth and sponge carrier, prevents circulation pipe roadlock
Plug reduces the resistance of reactor operation, energy saving；(4) water intake mode for changing nutrient solution, by Three-direction rotary plug valve and
It is laggard to reach circulation line water outlet so that nutrient solution mixes arrival in circulation line with recirculated water for the combination of circulation line
Enter inside reactor, due to the effect of viscous force, is mixed into the recirculated water of nutrient solution and is quickly mixed with the sewage of inside reactor
It closes, nutriment is uniformly mixed in inside reactor.This not only to provide mass transfer in water into prescription formula, sponge carrier keeps stream
The power that state needs, and make the recirculated water with nutrient solution in the water of ring pipe water outlet and inside reactor due to viscous force
Effect form the vortex streets of some column so that more uniform into medicine, the power which provides is more stable and has more
High controllability.Water intake mode in the utility model is since the water in water circulation pipe from inside reactor is in higher
Fluidised form under with the nutrient solution in pump line have biggish current difference, will form negative pressure, largely reduce micro- life in water
Pollution of the object for pump line increases the service life of pump line and maintains the normal operation of reactor.
Detailed description of the invention
Fig. 1 is a kind of novel MBBR reactor tridimensional structural schematic diagram of the utility model；
Fig. 2 is Fig. 1 schematic side view；
Fig. 3 is a kind of novel MBBR reactor workflow schematic diagram of the utility model.
In figure:
1, polyurethane sponge carrier 2, grid 3, apopore
4, circulation line water outlet 5, circulation line water sucking mouth 6, blow-down pipe
7, the water inlet of moving-bed biofilm MBBR reactor container 8, water circulating pump
9, MBBR reactor overflow hole 10, MBBR biological bed reactor
11, gas flowmeter 12, aeration pump
13, reactor water exit container 14, nutrient solution water inlet peristaltic pump
15, micro-pore aeration item 16, water recycle outer pipeline 17, Three-direction rotary plug valve
18, water circulation pipe water inlet pipe 19, overflow pipe 20, blow-down pipe
Specific embodiment
A kind of novel MBBR reactor is further illustrated with reference to the accompanying drawing:
As shown in Figure 1 to Figure 3, a kind of novel MBBR reactor, comprising: reactor body, water circulation pipe, aerator
With several biological attachment carriers, the water circulation pipe includes water inlet pipe and outlet pipe, it is characterised in that: the outlet pipe
The top in the reactor body is arranged in water outlet, and the inlet opening of the water inlet pipe is arranged in the reactor body
Bottom, and lower part is equipped with slope in reactor body.Answering the lattice that carrier of separating and circulation line water sucking mouth are equipped in device ontology
Grid.
Water-circulating pipe routing circulation line water sucking mouth 5, water circulating pump 8, water recycle outer pipeline 16, Three-direction rotary plug valve 17, follow
Ring pipe water outlet 4 is constituted.It is closed circuit that the water of water circulation pipe and MBBR inside reactor forms circulation altogether.Water circulating pump 8 is installed
It is recycled in outer pipeline and before three plug valves 17 in water, reactor, water suction are accessed at reactor back in circulation line water sucking mouth 5
The distance of the positional distance inside reactor horizontal plane of mouth is not less than 5 centimetres.Since inside reactor contains a large amount of microorganisms, it is
The service life for increasing pipeline, on material: using hard PE tubing positioned at the part of inside reactor, outside is soft using PE
Pipe, with snap ring-type or the engagement of bayonet type connector so that it is convenient to change the biomembrane that cleaning is bred inside pipeline between pipeline,
Biomembrane is shaken off in excusing from death oscillator using scour without sediment motion or using HCL solution/NAOH solution when cleaning, then using clear
Water washes out the biomembrane to fall off.Novel MBBR reactor in circulation line water outlet and water suction constituted circulation power, with upward
Water outlet constitutes major impetus, carries sponge carrier 1 and rotates in the reactor, circulation line water sucking mouth 5 is isolated by grid, is taken by water
The bio-carrier 1 of band is stopped and moved downward along grid under the action of water and common gravity by grid, falls under reactor
Returning reactor bottom after the organic glass slope in portion constitutes circulation.Water inlet nutrient solution is completed in water circulation pipe and is followed
The mixing of ring water enters reactor in circulation line water outlet 4 later.
2 grid of grid is strip, arc organic glass grid, reduces the flow resistance of sponge carrier 1 and sewage, is separated
Carrier and circulation line water sucking mouth 5, prevent from causing to block.The interval of grid should be less than the side length of sponge carrier 1 to prevent into
Enter circulation line water sucking mouth 5 to cause to block, and grid is that arc is transported to reduce sewage in sponge carrier 1 and MBBR reactor 10
Dynamic resistance.1 material of sponge carrier is selected as polyurethane sponge, and shape is square, and inside reactor goes out the water surface and apopore 3
The center of circle maintain an equal level, water enters reactor water exit container 13 from 3 overflow of apopore, the upper end of Arc grid 2 and inside reactor
Horizontal plane maintains an equal level, its lower end is close to reactor back, and Arc grid and reactor wall bind, and sponge carrier 1 is isolated and follows
Ring pipe water outlet 5 prevents from blocking.
The type selecting of aerator not only influences biochemical wastewater treatment effect, but also influences land occupation, investment and operating cost.
Traditional aeration plate not only to provide ammonification, nitrification etc. it is some column reaction needed for dissolved oxygens more need to give sponge carrier and
Power needed for sewage mass transfer in reactor, it is desirable to maintain power then to need bigger aeration quantity, so traditional aeration plate
Bubble radius is larger, and oxygen dissolved efficiency is low, and most oxygen wastes to provide power, and sewage in the reactor
PH be faintly acid, contain silicate material in traditional aeration plate, be easy to be corroded.15 bubble diameter of micro-pore aeration item is small, gas
Liquid cross-sectional dimension is small, and gas-oil interfaces are big, and bubble diffusion uniformly, will not generate eyelet blocking, and corrosion resistance is strong.Small bubble
It improves the efficiency of dissolved oxygen, reduce energy consumption.It the position of micro-pore aeration item 15 should be with the positional symmetry of circulation line water outlet 4
Arrangement is fixed on reactor bottom, aeration pump by the plastic stent of corresponding inert metal bracket either stable chemical performance
12 provide air, and by gas flow and 11 air aeration intensity, to guarantee that gas-oil interfaces are big, bubble diffusion uniformly, is dissolved
Oxygen dissolved efficiency is high.Since sewage is constantly in the motion state of fluidised form in MBBR reactor 10, micro-pore aeration item is cheap,
Economy and durability will not generate eyelet blocking, and corrosion resistance is strong.Small bubble improves the efficiency of dissolved oxygen, is inside reactor
Required biochemical reaction provides enough oxygen, also reduces energy consumption at the same time.
Three-direction rotary plug valve 17 keeps the passway on valve identical as the passway on valve body or separates by being rotated by 90 °.
Enter outside water circulation under the action of water circulating pump 8 from the water that inside reactor is drawn in inside reactor circulation line water sucking mouth 5
Pipeline 16, nutrient solution enter water under the action of nutrient solution intakes peristaltic pump 14 and recycle outer pipeline 16, and in Three-direction rotary plug valve
It is mixed into circulation line water outlet 4 at 17 and subsequently enters MBBR biological bed reactor 10.Due to microorganisms such as ammonification, nitrifications
Faintly acid can be generally presented in the PH acted in being lauched, so the material of MBBR reactor itself is organic glass, Three-direction rotary plug valve
The corresponding anti-corrosion measure of 17 settings customizes dedicated Three-direction rotary plug valve using the material of stable chemical performance.Three-direction rotary plug valve
It is engaged between 17 and outer loop pipeline with snap ring-type or bayonet type connector.
Water circulation pipe water inlet pipe 18 enters reactor from reactor bottom, with reactor bottom slope intersection waterproof
Glue sticking connects 90 degree of elbows and upwardly extends one section of PE hard tube composition circulation line water outlet 4.The overflow hole 19 of reactor connects
Plastic tube is placed in reactor water exit container 13, and the blow-down pipe 20 positioned at reactor front bottom connects a bit of plastic flexible pipe simultaneously
Leak when extremely preventing from running with clip hoop.
Claims (10)
1. a kind of novel MBBR reactor, comprising: reactor body, water circulation pipe, aerator and several biological attachments
Carrier, the water circulation pipe include water inlet pipe and outlet pipe, it is characterised in that: the water outlet of the outlet pipe is arranged described
The bottom in the reactor body, and reactor sheet is arranged in top in reactor body, the inlet opening of the water inlet pipe
Internal lower part is equipped with slope.
2. a kind of novel MBBR reactor according to claim 1, it is characterised in that: be equipped in the reactor body
The grid of carrier of separating and circulation line water sucking mouth.
3. a kind of novel MBBR reactor according to claim 2, it is characterised in that: the grid is that arc strip is organic
Glass, interval are less than the side length of carrier.
4. a kind of novel MBBR reactor according to claim 1, it is characterised in that: be arranged in outside reactor body
Inlet pipeline is equipped with Three-direction rotary plug valve, respectively opening/closing water inlet and nutrient solution.
5. a kind of novel MBBR reactor according to claim 4, it is characterised in that: the Three-direction rotary plug valve and reactor
The inlet pipeline of interior bottom or the nutrition liquid pipeline import on top are connected.
6. a kind of novel MBBR reactor according to claim 5, it is characterised in that: the Three-direction rotary plug valve and reactor
The inlet pipeline of interior bottom is equipped with water circulating pump.
7. a kind of novel MBBR reactor according to claim 1, it is characterised in that: the aerator is flat for several
It is layered on the micro-pore aeration item of bottom in reactor body, the micro-pore aeration item is connect with the aeration pump outside reactor body.
8. a kind of novel MBBR reactor according to claim 7, it is characterised in that: the micro-pore aeration item is in reactor
Bottom cycle pipeline water inlet position is arranged symmetrically in ontology.
9. a kind of novel MBBR reactor according to claim 1, it is characterised in that: described in reactor body
Biological attachment carrier is square sponge block.
10. a kind of novel MBBR reactor according to claim 1, it is characterised in that: the circulation line material is located at
Part inside reactor body uses PE hose using hard PE tubing, outside, and with snap ring-type or lock between pipeline
The connection of formula connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820427902.7U CN208249994U (en) | 2018-03-28 | 2018-03-28 | A kind of novel MBBR reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820427902.7U CN208249994U (en) | 2018-03-28 | 2018-03-28 | A kind of novel MBBR reactor |
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| Publication Number | Publication Date |
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| CN208249994U true CN208249994U (en) | 2018-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820427902.7U Active CN208249994U (en) | 2018-03-28 | 2018-03-28 | A kind of novel MBBR reactor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO20191322A1 (en) * | 2019-11-06 | 2021-05-07 | Sterner As | Device for biological treatment of water for Aquaculture facilities |
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2018
- 2018-03-28 CN CN201820427902.7U patent/CN208249994U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO20191322A1 (en) * | 2019-11-06 | 2021-05-07 | Sterner As | Device for biological treatment of water for Aquaculture facilities |
| NO346709B1 (en) * | 2019-11-06 | 2022-11-28 | Sterner As | Device for biological treatment of water for aquaculture facilities |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191129 Address after: Room 807-2, block B, zone B, Jinyuan times shopping center, lantianchang, Haidian District, Beijing 100089 Patentee after: TG HILYTE ENVIRONMENTAL TECHNOLOGY (BEIJING) CO.,LTD. Address before: 300384 No. 26, Jing Jing Road, Xiqing District, Tianjin Patentee before: Tianjin Chengjian University |
|
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 101500 Canbo Road, Miyun Industrial Development Zone, Beijing Patentee after: TG HILYTE ENVIRONMENTAL TECHNOLOGY (BEIJING) Co.,Ltd. Address before: Room 807-2, block B, zone B, Jinyuan times shopping center, lantianchang, Haidian District, Beijing 100089 Patentee before: TG HILYTE ENVIRONMENTAL TECHNOLOGY (BEIJING) Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 101500 Kangbao Road, Industrial Development Zone, Miyun District, Beijing Patentee after: High Frequency (Beijing) Technology Co.,Ltd. Address before: 101500 Kangbao Road, Industrial Development Zone, Miyun District, Beijing Patentee before: TG HILYTE ENVIRONMENTAL TECHNOLOGY (BEIJING) CO.,LTD. |