CN105800780A - Circumfluent sulfate type anaerobic ammonia oxidation microbial reactor - Google Patents
Circumfluent sulfate type anaerobic ammonia oxidation microbial reactor Download PDFInfo
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- CN105800780A CN105800780A CN201610358065.2A CN201610358065A CN105800780A CN 105800780 A CN105800780 A CN 105800780A CN 201610358065 A CN201610358065 A CN 201610358065A CN 105800780 A CN105800780 A CN 105800780A
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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
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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
- C02F2301/00—General aspects of water treatment
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Abstract
Disclosed is a circumfluent sulfate type anaerobic ammonia oxidation microbial reactor which is of a cup-shaped structure and comprises a backflow device, a transition cone and a microbial filtering growth reaction chamber sequentially from left to right. The backflow device is composed of an electric flow pushing axial-flow stirring paddle, a U-shaped passage and a linear passage, the electric flow pushing axial-flow stirring paddle is driven to rotate by a motor, and a speed changer is utilized for speed adjusting; a loose porous bed layer is filled in the microbial filtering growth reaction chamber, and a screen plate flow equalizer is arranged on the upper portion of the bed layer to guarantee stability of water flow; the transition cone reduces diameter of the reaction chamber and then is connected with the U-shaped passage. The top of the reactor is provided with a water inlet, a temperature detection port, an acidity detection port and an exhaust port, and a water outlet is arranged below the U-shaped passage.
Description
Technical field
Patent of the present invention belongs to technical field of sewage, and a kind of long-time reaction of specific design, Automatic Cycle, what be conducive to enriched microorganism has the circulation type sulfate type anaerobic ammonia oxidation microbiological reactor filtering growth bed.
Background technology
In industrial wastewater as very big in processing waste water, fermentation waste water, leather-making waste water, gourmet powder waste water and pharmacy wastewater treatment difficulty.These waste water have the following characteristics that containing high concentration SO4 2-And NH4 +.These waste water are as without processing discharge, having serious harm to water body and the mankind.Therefore, deal carefully with this type of waste water become in the urgent need to.
For a long time, biologic treating technique is always up the mainstream technology of wastewater treatment, compared with conventional physico-chemical process method, and the advantages such as energy consumption is little, cost is low, non-secondary pollution that it has.It has been recognized that NO2 -Being the electron acceptor of Anammox, many studies have shown that: the metabolism type of anaerobic ammonia oxidizing bacteria has more multiformity than what we imagined, they can exist under wider range of condition.It is found that Anammox also assists in the conversion of sulfur in recent years.People utilize Anammox, and with ammonia nitrogen for electron donor, with sulfate radical for electron acceptor, the anaerobic ammonium oxidation process realizing synchronizing desulfurizing denitrification under autotrophy anoxia condition is called sulfate type Anammox.
Sulfate type Anammox is as a kind of new technique, and it can realize the synchronization of sulfate and ammonia nitrogen in an anaerobic reactor and remove, it is not necessary to consume organic carbon source and the energy.But owing to sulfate type Anammox strain easily runs off, is difficult to be enriched with, cause that this reaction starts slow, it is impossible to be widely used in actual sewage process.This reaction is generally adopted SBR or UASB reactor.Because of it, microorganism flco is loose is easy to run off, not easily enrichment and growth accumulation, and during microorganism enrichment, reaction waste initial concentration is low, it is impossible to be performed continuously over.Therefore, design a kind of Novel anaerobic sulfate type anaerobic ammonia oxidation reactor and there is important theory significance and using value.
Summary of the invention
Goal of the invention: the present invention is a kind of circulation type sulfate type anaerobic ammonia oxidation microbiological reactor, the microorganism flco that its object is to solve exist in prior art is loose to be easy to run off, not easily enrichment and growth accumulation, and during microorganism enrichment, reaction waste initial concentration is low, it is impossible to the problem such as be performed continuously over.
Technical scheme:
A kind of circulation type sulfate type anaerobic ammonia oxidation microbiological reactor, it is characterised in that: this reactor includes microbe filter growth response district；Lower end, described microbe filter growth response district passes sequentially through excessive cone, U-shaped passage is connected with the lower end in district of backflowing；Top, district of backflowing is connected by the top of straight type passage with microbe filter growth response district；Electric power plug-flow axial flow type agitating valve is fixed on inside district of backflowing by round-meshed dividing plate；The motor and the speed regulator that are connected with described electric power plug-flow axial flow type agitating valve are arranged on district's tip exterior of backflowing；Described excessive cone is up big and down small contraction-like, and excessively cone and U-shaped passage junction are provided with sieve plate current equalizer；Being provided with filtration growth bed inside described microbe filter growth response district, top is provided with water inlet, attemperating unit, acidity detection mouth and air vent, and adopts piston seal.
Described circulation type sulfate type anaerobic ammonia oxidation microbiological reactor, it is characterised in that: each parts junction of this reactor all seals with O.
Described circulation type sulfate type anaerobic ammonia oxidation microbiological reactor, it is characterized in that: being provided with filtering type attachment bed in described microbe filter growth response district, described filtering type attachment bed includes bed sieve plate current equalizer, bed skeleton and the loose porous bed being arranged on bed skeleton.
Described circulation type sulfate type anaerobic ammonia oxidation microbiological reactor, it is characterised in that: described U-shaped passage is hollow smooth pipe, and lowest point is provided with discharge outlet.
Described circulation type sulfate type anaerobic ammonia oxidation microbiological reactor, it is characterized in that: the multilamellar Axial-flow stirrer composition that described electric power plug-flow axial flow type agitating valve includes the thin cylinder of rustless steel, is arranged on the thin cylinder of described rustless steel, being supported by resistance to submerged bearing bottom it, its top is provided with containment member.
Advantage and effect: the present invention is compared with other sulfate type anaerobic ammonia oxidation reactors, waste water is driven to circulate in anaerobic reactor by adding district of backflowing (including electric power plug-flow axial flow type agitating valve, U-shaped passage and straight type passage), increase and be attached on bed micro organism quantity and kind, reduce microorganism and run off.And this process can long time treatment low concentration wastewater, favourable reaction carries out.
Accompanying drawing illustrates:
Fig. 1: the structural representation of the present invention.
Fig. 2: plug-flow axial-flow mixing paddle schematic diagram.
Figure marks: 1 microbe filter growth response district；2 filter growth bed；3 transition cones；4U type passage；5 discharge outlet (sample tap)；6 backflow district；7 electric power plug-flow axial flow type agitating valves；8 straight type passages；9 electrodes and speed regulator；10 water inlets；11 attemperating units；12 acidity Control devices；13 air vents；14 sieve plate current equalizers；15 round-meshed dividing plates；16 sieve plate current equalizers.
Detailed description of the invention:
The present invention is prepared by what scheme was implemented:
The technological thought of the present invention is to add district of backflowing (including electric power plug-flow axial flow type agitating valve, U-shaped passage and straight type passage) in the reactor to drive waste water to circulate in anaerobic reactor, increase and be attached on bed micro organism quantity and kind, reduce microorganism and run off.And this process can long time treatment low concentration wastewater, favourable reaction carries out.
A kind of circulation type sulfate type anaerobic ammonia oxidation microbiological reactor with filtration growth bed as shown in Figure 1, it is provided with attemperating unit 11, acidity Control device 12, water inlet 10, air vent 13 including microbe filter growth response room 1(, be filled with microbe filter growth bed 2 and skeleton inside it), transition cone 3, the district 6(that backflows be provided with electric power plug-flow axial-flow mixing paddle 7, U-shaped passage 4, straight type passage 8), Axial-flow stirrer connects motor and speed regulator 9 after sealing.Whole microorganism reactor each junction O seal ensure not with air contact.
District 6 of backflowing is connected with microbe filter growth response room 1 with straight type passage 8 by U-shaped passage 4, backflowing, district 6 is internal is provided with plug-flow axial flow type agitating valve 7, motor and speed regulator 9 are arranged on outside this microorganism reactor, and stirring paddle is connected through this microorganism reactor with motor and the speed regulator 9 of top；It is fixed on inside the device that backflows by the round-meshed dividing plate 15 of center band below stirring paddle；Transition cone 4 is up big and down small contraction-like, is connected above microbe filter growth response room 1, is connected below U-shaped passage 4, and junction is equipped with sieve plate current equalizer 14；Microbe filter growth response room 1 includes inside and is provided with the biological bed 2 for microorganism enrichment and bed skeleton, and top is provided with water inlet 10, attemperating unit 11, acidity detection mouth 12, air vent 13, adopts piston seal；
Filtering growth bed 2 to be located in microbe filter growth response room 1, top is provided with sieve plate current equalizer 16, and bed is with skeleton, and loose porous bed is fixed on skeleton；
Reactor is provided with transition cone 4, it is simple to being connected with district 6 of backflowing microbe filter growth room 1, cone angle prevents solid product from depositing；
U-shaped passage 4 is hollow smooth pipe, and lowest point is provided with discharge outlet 5(sample tap)；
Reactor adopts axial flow paddle to promote, and adopts motor and speed regulator are rotated and adjust flow；
Described electric power plug-flow axial flow type agitating valve is made up of the thin cylinder of rustless steel and multilamellar Axial-flow stirrer, is provided with the supporting of resistance to submerged bearing bottom it, and its top is provided with sealing, and its axle upper end connects drive motor；
Prior art use sulfate type Anammox frequently with reactor be sequencing batch activated sludge reactor (SBR), wherein discharge supernatant after sludge settling, if this process sedimentation time is not enough, it will causes sludge loss, is unfavorable for stablizing of reactor；And its agitator easily beats and spread mud when rotating, reduce biological activity.
Reactor of the present invention, its microbe filter growth response room and the device that backflows separately, make mud be attached on the bed of reative cell, reduce the device impact on filtering bed of backflowing；Realize the long-term stability of reactor, be beneficial to reaction and carry out；Realize bed district temperature detectability and stability.
Claims (5)
1. a circulation type sulfate type anaerobic ammonia oxidation microbiological reactor, it is characterised in that: this reactor includes microbe filter growth response district (1)；Described microbe filter growth response district (1) lower end passes sequentially through excessively cone (3), U-shaped passage (4) and is connected with the lower end of district of backflowing (6)；District (6) top of backflowing is connected with the top in microbe filter growth response district (1) by straight type passage (8)；It is internal that electric power plug-flow axial flow type agitating valve (7) is fixed on district of backflowing (6) by round-meshed dividing plate (15)；The motor and the speed regulator (9) that are connected with described electric power plug-flow axial flow type agitating valve (7) are arranged on district of backflowing (6) tip exterior；Described excessive cone (3) is for up big and down small contraction-like, and excessively cone (3) and U-shaped passage (4) junction are provided with sieve plate current equalizer (14)；Described microbe filter growth response district (1) is internal is provided with filtration growth bed (2), and top is provided with water inlet (10), attemperating unit (11), acidity detection mouth (12) and air vent (13), and adopts piston seal.
2. circulation type sulfate type anaerobic ammonia oxidation microbiological reactor according to claim 1, it is characterised in that: each parts junction of this reactor all seals with O.
3. circulation type sulfate type anaerobic ammonia oxidation microbiological reactor according to claim 1, it is characterized in that: being provided with filtering type attachment bed in described microbe filter growth response district (1), described filtering type attachment bed includes bed sieve plate current equalizer (16), bed skeleton and the loose porous bed being arranged on bed skeleton.
4. circulation type sulfate type anaerobic ammonia oxidation microbiological reactor according to claim 1, it is characterised in that: described U-shaped passage (4) is hollow smooth pipe, and lowest point is provided with discharge outlet (5).
5. circulation type sulfate type anaerobic ammonia oxidation microbiological reactor according to claim 1, it is characterized in that: the multilamellar Axial-flow stirrer composition that described electric power plug-flow axial flow type agitating valve (7) includes the thin cylinder of rustless steel, is arranged on the thin cylinder of described rustless steel, being supported by resistance to submerged bearing bottom it, its top is provided with containment member.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109650674A (en) * | 2019-01-30 | 2019-04-19 | 沈阳工业大学 | A kind of circulation type methane matrix membrane biofilm reactor and sewage water treatment method |
| CN112358050A (en) * | 2020-11-17 | 2021-02-12 | 沈阳工业大学 | MABR-MBBR coupled loop bioreactor and sewage treatment method |
| CN113277683A (en) * | 2021-06-11 | 2021-08-20 | 北京大学深圳研究生院 | Device for rapidly enriching and purifying anaerobic ammonium oxidation bacteria |
Citations (5)
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|---|---|---|---|---|
| JP2005238166A (en) * | 2004-02-27 | 2005-09-08 | Kurita Water Ind Ltd | Anaerobic ammonoxidation treatment method |
| CN102730829A (en) * | 2012-06-13 | 2012-10-17 | 杭州师范大学 | Ordered internally-circulated anaerobic ammoxidation reactor |
| CN103265113A (en) * | 2013-06-05 | 2013-08-28 | 杭州师范大学 | Ternary anaerobic ammoxidation bioreactor |
| CN103435152A (en) * | 2013-07-22 | 2013-12-11 | 杭州师范大学 | Mixed packing layer anaerobic ammonium oxidation bioreactor |
| CN205687640U (en) * | 2016-05-26 | 2016-11-16 | 沈阳工业大学 | A kind of circulation type sulfate type anaerobic ammonia oxidation microbiological reactor |
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- 2016-05-26 CN CN201610358065.2A patent/CN105800780B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005238166A (en) * | 2004-02-27 | 2005-09-08 | Kurita Water Ind Ltd | Anaerobic ammonoxidation treatment method |
| CN102730829A (en) * | 2012-06-13 | 2012-10-17 | 杭州师范大学 | Ordered internally-circulated anaerobic ammoxidation reactor |
| CN103265113A (en) * | 2013-06-05 | 2013-08-28 | 杭州师范大学 | Ternary anaerobic ammoxidation bioreactor |
| CN103435152A (en) * | 2013-07-22 | 2013-12-11 | 杭州师范大学 | Mixed packing layer anaerobic ammonium oxidation bioreactor |
| CN205687640U (en) * | 2016-05-26 | 2016-11-16 | 沈阳工业大学 | A kind of circulation type sulfate type anaerobic ammonia oxidation microbiological reactor |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109650674A (en) * | 2019-01-30 | 2019-04-19 | 沈阳工业大学 | A kind of circulation type methane matrix membrane biofilm reactor and sewage water treatment method |
| CN112358050A (en) * | 2020-11-17 | 2021-02-12 | 沈阳工业大学 | MABR-MBBR coupled loop bioreactor and sewage treatment method |
| CN112358050B (en) * | 2020-11-17 | 2023-12-26 | 沈阳工业大学 | MABR-MBBR coupling type circulation bioreactor and sewage treatment method |
| CN113277683A (en) * | 2021-06-11 | 2021-08-20 | 北京大学深圳研究生院 | Device for rapidly enriching and purifying anaerobic ammonium oxidation bacteria |
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