CN209039154U - A kind of device of fast realizing anaerobic ammonium oxidation granulation - Google Patents
A kind of device of fast realizing anaerobic ammonium oxidation granulation Download PDFInfo
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- CN209039154U CN209039154U CN201821665790.5U CN201821665790U CN209039154U CN 209039154 U CN209039154 U CN 209039154U CN 201821665790 U CN201821665790 U CN 201821665790U CN 209039154 U CN209039154 U CN 209039154U
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Abstract
The utility model relates to a kind of devices of fast realizing anaerobic ammonium oxidation granulation, including conditioning tank, reaction tank component and automatic control unit；Reaction tank component includes microporous aeration disc, boring aeration pipe, film group device；Microporous aeration disc is set to reaction bottom of pond portion, and is connected by the first air inlet pipeline with the first air blower；Boring aeration pipe is also disposed on reaction bottom of pond portion, and is placed in the lower section of film group device, and boring aeration pipe is connected with the second air blower for intermittent aerating by the second air inlet pipeline；The bottom of film group device is additionally provided with collecting box, and collecting box connects draining/mud line and membrane module；Automatic control unit includes on-line detector component, programmable PLC controller, ammonification nitrogen/lye adjuster.It has many advantages, such as to fast implement that granulating, reasonable in design, easy for operation, maintenance cost is low, automation and intelligentification degree is high.
Description
Technical field
The utility model relates to water-treatment technology field more particularly to a kind of dresses of fast realizing anaerobic ammonium oxidation granulation
It sets.
Background technique
Traditional biological denitrification process refers to nitration denitrification, that is, passes through nitrifier for the ammonium oxidation in sewage into nitre state
Nitrogen, then process of the organic matter by nitrate-nitrogen reduction for nitrogen is utilized by denitrifying bacterium.Traditional biological denitrification process operating cost
It is high, complicated for operation, anti-shock loading is low and generates a large amount of denitrification sludge, in view of the above problems, researcher have developed it is more
The novel denitrification process of kind, such as short-cut nitrification and denitrification technique, synchronous nitration and denitrification technique, denitrifying phosphorus removal technique, anaerobism ammonia
Oxidation technology etc..Wherein anaerobic ammonia oxidation process is more economical efficient sewage water denitrification technique generally acknowledged at present, and principle is anaerobism
Ammonia oxidation bacteria generates the process of nitrogen and nitrate nitrogen, substantially reduces traditional nitration denitrification using ammonia nitrogen and nitrite as matrix
The reaction process of technique.Anaerobic ammonia oxidation process has apparent advantage: 1. anaerobic ammonia oxidizing bacteria compared with traditional denitrification process
Using nitrite as electron acceptor, organic carbon source is not needed in denitrification process；2. nitrifying process only need to be by 1/2 ammonium oxidation extremely
Nitrite, about saving aeration energy consumption 50%；3. anaerobic ammonia oxidizing bacteria is chemoautotrophic bacteria, sludge yield is only in denitrification process
It is 10% or so of traditional nitration denitrification sludge yield, greatlys save subsequent sludge treatment expense；In addition Anammox skill
Art is applied in high ammonia-nitrogen wastewater processing, can save operating cost by a relatively large margin, generate significant economic benefit.Anaerobism ammonia simultaneously
Oxidation technology can reduce the discharge of GHG carbon dioxide compared with traditional handicraft, and environmental benefit is obvious.
In recent years, large quantities of scientific research personnel throw oneself into the strain enrichment and function of Anammox Process of Biological Nitrogen Removal
In reinforcing.Such as " a kind of method of fast realizing anaerobic ammonium oxidation granulation " of the Ni Shouqing utility model of Shandong University,
The mixing sludge of inoculation inactivation methane phase granule sludge and Anammox floc sludge in UASB reactor, by manually matching
Water, continuum micromeehanics, water production control reflux guarantee the upflow velocity of reactor 1-2m/h, are quickly obtained rufous Anammox
Grain sludge；Beijing city drain the Han Xiaoyu utility model of Group Co., Ltd " integral anaerobic ammonium oxidation granular sludge is de-
In nitrogen device and control method ", reacted by the mixing sludge and Anammox that are inoculated with stable biofilm reactor
The granule sludge of device, by controlling the low dissolved oxygen of reactor, free ammonia inhibit to realize short distance nitration-anaerobic ammoxidation, using anti-
Bottom aerating system, the blender of device are answered, pH meter, ORP on-line computing model realize anaerobic ammonium oxidation granular with the water inlet of high ammonia nitrogen
The formation and multiplication of sludge；A kind of " method of quick formation anaerobic ammonium oxidation granular sludge " of Beijing University of Technology's utility model
In patent, in sbr reactor device, the concentration of ammonia nitrogen and nitrous is 50mg/L, while being added daily into the nutrient solution of reactor
Enter certain density AHLS colony induction signaling molecule, by occasional drive, it is good to obtain granule sludge effect in a short time
Anaerobic ammonium oxidation granular sludge.
Anaerobic ammonia oxidation process is because reaction is without additional organic carbon source, denitrifying load height, saving energy consumption, reduction greenhouse gases
CO2The advantages that discharge, but had the following problems in engineer application: (1) biological membrane anaerobic ammonia oxidation bacterium environmental sensibility is high, anti-
Impact load is low, store and newly built construction inoculation is at high cost；(2) anaerobic ammonia oxidizing bacteria granular sludge period length, working condition control
Difficulty processed is big.The utility model is based under the studies above background and proposes, it is intended to fast implement anaerobic ammonium oxidation sludge
Granulating.
Utility model content
The purpose of this utility model is that: overcome deficiency existing for anaerobic ammonia oxidation process in the prior art, one kind is provided
The device of fast realizing anaerobic ammonium oxidation granulation, have granulating the period it is short, it is reasonable in design, easy for operation,
Maintenance cost is low, automation and intelligentification degree is high, can effectively solve the problem that on present in anaerobic ammonia oxidation process in the prior art
The advantages that stating deficiency.
In order to achieve the above object, the utility model adopts the following technical solution realizes:
A kind of device of fast realizing anaerobic ammonium oxidation granulation, the device include conditioning tank, reaction tank component and automatic
Control assembly；The conditioning tank is connected with the water inlet pipe of the outlet pipe of primary sedimentation tank, reaction tank component respectively；The reaction tank group
Part includes microporous aeration disc, boring aeration pipe, film group device；The microporous aeration disc is set to reaction bottom of pond portion, and passes through the
One air inlet pipeline is connected with the first air blower；The boring aeration pipe is also disposed on reaction bottom of pond portion, and is placed in film group device
Lower section, the boring aeration pipe is connected with the second air blower for intermittent aerating by the second air inlet pipeline；The film group
The bottom of device is additionally provided with collecting box, the collecting box connection draining/mud line and film group device；The automatic control unit packet
Include on-line detector component, programmable PLC controller, ammonification/lye adjuster；The on-line detector component and programmable
The connection of PLC controller data-signal；The programmable PLC controller and ammonification/lye adjuster control connect.
As advanced optimizing for above scheme, the first air intake valve and first gas stream are provided on the first air inlet pipeline
Meter；The second air intake valve and second gas flowmeter are provided on second air inlet pipeline；The first gas flowmeter,
Second gas flowmeter is connect with programmable PLC controller data signal respectively；The programmable PLC controller is respectively with first
Air intake valve, the control connection of the second air intake valve；The adjusting of the first fluid flow is provided on the water inlet pipe of the reaction tank component
Valve and the first fluid flowmeter；Second liquid flow control valve and second liquid flow are provided on the draining/mud line
Meter；First fluid flowmeter, second liquid flowmeter are connect with programmable PLC controller data signal；It is described to compile
Journey PLC controller is connect with the first liquid flow regulating valve, second liquid Flux Valve Control.
As advanced optimizing for above scheme, the automatic control unit further includes the heating being set in reaction tank
Stick, temperature sensor and thermoregulator, the temperature sensor are connect with programmable PLC controller data signal, described to add
Hot pin is connected with thermoregulator, and the programmable PLC controller and thermoregulator control connect.
As advanced optimizing for above scheme, the on-line detector component includes and programmable PLC controller data
Dissolved oxygen concentration on-line detector, the ammonia nitrogen concentration on-line detector, PH on-line detector of signal connection.
As advanced optimizing for above scheme, the micro-pore aeration disk diameter 270mm, aperture φ 6mm, oxygenation capacity
0.223-0.529kgO2/h；The aperture φ 4-10mm of the boring aeration pipe, perforation spacing are 150-250mm, can be according to mixing
The aperture of the big minor adjustment perforated pipe of the wind pressure of shearing force needed for liquid and used air blower and spacing, for effective use perforation
The perforated pipe of smaller aperture due can be selected in the dissolved oxygen efficiency of the tolerance of pipeline.
It is had the following beneficial effects: using the device of the fast realizing anaerobic ammonium oxidation granulation of the utility model
The utility model realizes screening of the system to particle using sieve, uses boring aeration to provide for granular sludge and cuts
Shear force makes system heterotroph rise in value using the organic matter that primary sedimentation tank is intake, insufficient to supplement autotrophic bacterium secretion extracellular polymeric, fastly
Speed realizes the granulating of anaerobic ammonium oxidation sludge.Suitable sieve partial size can be selected according to the distribution of partial size in reactor, in turn
Particle needed for filtering out engineering, while according to the sieve of the increment situation transformation different pore size of sludge returning in reactor
Net；Boring aeration pipe can form the bubble bigger compared with microporous aeration disc, and bigger shearing force is provided for mixed liquor, prevent sieve table
Face forms cake layer, and the oxygen laser propagation effect of air pocket poor will not have an adverse effect to the dissolved oxygen of system；Anammox
An important factor for bacterium is autotrophic bacterium, and slow growth, secretion extracellular polymeric is few, and extracellular polymeric is floc particle, thus it is sharp
Extracellular polymeric is secreted with the faster heterotroph of the speed of growth, the optimal growth item of the screening and anaerobic ammonia oxidizing bacteria in conjunction with sieve
Part control, can fast implement the granulating of anaerobic ammonium oxidation sludge.
Detailed description of the invention
Attached drawing 1 is the apparatus structure schematic diagram of the utility model fast realizing anaerobic ammonium oxidation granulation.
The meaning of each appended drawing reference and effect are as follows in figure:
1- conditioning tank: for adjusting amount of inlet water, meet reactor amount of inlet water requirement；
2- reaction tank component: the core component as whole device；
3- microporous aeration disc: aerating system is run for reactor, oxygen is provided for system aerobic microbiological, guarantees simultaneously
Reactor is uniformly mixed；
4- boring aeration pipe: suitable shearing force is provided for system quick particle, while washing away screen surface, delays film
Pollution.
5- film group device: the mud discharging device for system quick particle；
The first air blower of 6-: power is provided for the dissolved oxygen and shearing force of microporous aeration disc；
The second air blower of 7-: power is provided for the dissolved oxygen and shearing force of boring aeration pipe；
8- collecting box: connecting with membrane module and draining/mud pipe, for collecting water containing SS；
9- draining/mud pipe: the draining being connected with film group device/mud pipe；
10- on-line detector device: the situation of change of observation whole device matrix and operating condition in real time；
11- ammonification/lye adjuster: matrix ammonia and basicity are supplemented for whole device；
The first air intake valve of 12-: for controlling the opening and closing of the air inlet on the first air inlet pipeline；
13- first gas flowmeter: for quantifying the air inflow of the first air inlet pipeline；
The second air intake valve of 14-: for controlling the opening and closing of the air inlet on the first air inlet pipeline；
15- second gas flowmeter: for quantifying the air inflow of the second air inlet pipeline；
The first liquid flow regulating valve of 16-: the fluid flow on water inlet pipe is adjusted；
The first fluid flowmeter of 17-: for quantifying the amount of inlet water of reactor；
18- second liquid flow control valve: the fluid flow on draining/mud line is adjusted；
19- heating rod: the liquid in reaction tank is heated.
Specific embodiment
The device of 1 pair of the utility model fast realizing anaerobic ammonium oxidation granulation is described in detail with reference to the accompanying drawing.
A kind of device of fast realizing anaerobic ammonium oxidation granulation, the device include conditioning tank 1, reaction tank component 2 and from
Dynamic control assembly；The conditioning tank is connected with the water inlet pipe of the outlet pipe of primary sedimentation tank, reaction tank component respectively；The reaction tank
Component includes microporous aeration disc 3, boring aeration pipe 4, film group device 5；The microporous aeration disc is set to reaction bottom of pond portion, and leads to
The first air inlet pipeline is crossed to be connected with the first air blower 6；The boring aeration pipe is also disposed on reaction bottom of pond portion, and is placed in film
The lower section of group device, the boring aeration pipe are connected with the second air blower 7 for intermittent aerating by the second air inlet pipeline；It is described
The bottom of film group device is additionally provided with collecting box 8, the collecting box connection draining/mud line 9 and membrane module 5；The automatic control
Component processed includes on-line detector device 10, programmable PLC controller, ammonification/lye adjuster 11；The on-line detector group
Part is connect with programmable PLC controller data signal；The programmable PLC controller and ammonification/lye adjuster control connect.
The first air intake valve 12 and first gas flowmeter 13 are provided on first air inlet pipeline；It is provided on second air inlet pipeline
Second air intake valve 14 and second gas flowmeter 15；The first gas flowmeter, second gas flowmeter respectively with can compile
The connection of journey PLC controller data-signal；The programmable PLC controller is gated with the first air intake valve, the second intake valve respectively
System connection；The first liquid flow regulating valve 16 and the first fluid flowmeter 17 are provided on the water inlet pipe of the reaction tank component；
Second liquid flow control valve 18 and second liquid flowmeter are provided on the draining/mud line；First liquid flow
Meter, second liquid flowmeter are connect with programmable PLC controller data signal；The programmable PLC controller and first
Liquid flow regulating valve, the connection of second liquid Flux Valve Control.The automatic control unit further includes being set to reaction tank
In heating rod 19, temperature sensor and thermoregulator, the temperature sensor and programmable PLC controller data signal connect
It connects, the heating rod is connected with thermoregulator, and the programmable PLC controller and thermoregulator control connect.It is described
On-line detector component includes that the dissolved oxygen on-line detector, the ammonia nitrogen concentration that connect with programmable PLC controller data signal are online
Detector, pH on-line detector.The micro-pore aeration disk diameter 270mm, aperture φ 6mm, oxygenation capacity 0.223-
0.529kgO2/h；The aperture φ 4-10mm of the boring aeration pipe, perforation spacing are 150-250mm.
The working principle of the device of the above-mentioned fast realizing anaerobic ammonium oxidation granulation of the utility model is as follows:
1) water that just sinks enters in reaction tank by the water inlet pipe of reaction tank, before entering reaction tank, opens and adjusts first
Liquid flow regulating valve controls the hydraulic detention time of device at 2 days；The first air blower and the first air intake valve are opened, and
Adjust the dissolved oxygen concentration < 0.1mg/L for the mud mixed liquid that the first air intake valve makes in reaction tank；Heating rod is opened, device is made
The temperature of mixed liquor is controlled at 30-35 DEG C in reaction tank；Ammonification/lye adjuster is opened, the ammonia nitrogen concentration of supplementary device makes dense
Degree controls between 7.8-8.3 in 100-200mg/L, pH value；
2) second liquid flow control valve, the row's of progress wadding body process are opened；
3) the second air intake valve on the second air inlet pipeline is opened, intermittent aerating is carried out, according to the sludge partial size of reactor
Growth pattern, can be used that every 4-8h aeration is primary, and the aeration frequencies control of each aeration time 20-60min, single aeration exist
0.002-0.004m3/m2S, on the one hand provides shearing force for system floc particle, on the one hand prevents screen surface from forming mud
Cake layer influences sludge discharge effects；
4) 2) -3 are repeated the above steps)；
5) according to the growth pattern of sludge concentration in the growth pattern of the sludge partial size of reactor and reactor, adjustment row
Mud, the time of intermittent aerating and frequency make the sludge volume of system be less than the growth pattern of the sludge concentration of system, in reactor
Sludge partial size shows a increasing trend, stopping when sludge partial size and sludge concentration increase to desirable value.
The beneficial effects of the utility model are described further with specifically testing below.
1. experiment uses just, heavy water is water inlet, and just the raw water of heavy water is certain activity zone sewage, wherein the just technique of heavy water
Parameter is influent ammonia nitrogen < 50mg/L, COD < 200mg/L, sulfate < 50mg/L, TP < 10mg/L, nitrite and nitric acid
The equal < 0.01mg/L of salt.
2. in the process of running, supplementing ammonia nitrogen by online chemicals dosing plant, the ammonia nitrogen of reactor is between 70-150mg/L；For
Nitrous accumulation is avoided the occurrence of, (0-50Hz, tolerance are about 20-30m by controlling the frequency of air blower3/ h), make DO < 0.1mg/
L, nitrous content are controlled in 10mg/L or less；According to Anammox reaction equation, nitrate is generated during the reaction, is
It avoids system from hypersaline environment occur, the production water water of the just amount of inlet water of heavy water and screen device is controlled, by the nitrate of system
It excludes, while keeping the constant level of reactor；
3. the reaction process of the utility model is, ammonia nitrogen nitrous under limited oxygen condition is melted into cultured water, the nitrous of generation
Sour nitrogen and remaining ammonia nitrogen carry out Anammox reaction and generate nitrogen and nitrate nitrogen；Wherein nitrosation process produces acid, anaerobism ammonia
Oxidation process produces alkali, and the production acid amount of nitrosation is greater than the production alkali number of Anammox reaction, therefore to guarantee anaerobic ammonia oxidizing bacteria
Optimal growth conditions, need to system supplement basicity (for example, alkaline matters such as sodium hydroxide, sodium bicarbonate), make the pH of system
Control is between 7.8-8.3；
4. the value added on products for guarantee system flocculent substance screens out the amount of wadding body less than system, while guaranteeing there is one in reactor
The aerobic bacteria of certainty ratio, to realize the quick particle of anaerobic ammonia oxidizing bacteria, control water inlet using the extracellular polymeric of its secretion
Amount is 12-15m3/ d (flow of inlet water 1-1.25m3/ h, flooding time 12h)；
5. the utility model uses boring aeration system, and wherein perforated pipe aperture is in 3- in order to increase the shearing force of system
Between 6mm, opening direction is downwards from the horizontal by 45 degree of angles, according to the growing state of reactor granules partial size, the aeration of system
Intensity is in 8-12m3/m2H, aeration frequencies 60-100min/d, wherein aeration divides 3-4 completion.
6. under the above conditions, reactor continuous operation is found after 30 days, TN removel rate is by 0.15kg N/m3D increases
Add to 0.3-0.5kg N/m3The middle partial size of d, mixed liquor are increased between 280-350 μm by 161 μm.
7. same reactor is water inlet source with same just heavy water, (is aerated 2h using the operational mode of sbr reactor device, sunk
Shallow lake 45min skims water 1h), after reactor stable operation stage 30 days, TN removel rate reaches 0.15kgN/m3D, it is dirty in one month
Mud pellet diameter is by 100 μm 120-152 μm of value added.
This reality can be understood and applied the above description of the embodiments is intended to facilitate those skilled in the art
With novel.Person skilled in the art obviously easily can make various modifications to these embodiments, and saying herein
Bright General Principle is applied in other embodiments without having to go through creative labor.Therefore, the utility model is not limited to this
In embodiment, those skilled in the art's announcement according to the present utility model, do not depart from that the utility model scope made changes
Into and modification should all be within the protection scope of the utility model.
Claims (5)
1. a kind of device of fast realizing anaerobic ammonium oxidation granulation, it is characterised in that: the device includes conditioning tank (1), reaction
Pond component (2) and automatic control unit；The conditioning tank is connected with the water inlet pipe of the outlet pipe of primary sedimentation tank, reaction tank component respectively
It connects；The reaction tank component includes microporous aeration disc (3), boring aeration pipe (4), film group device (5)；The microporous aeration disc setting
It is connected in reaction bottom of pond portion, and by the first air inlet pipeline with the first air blower (6)；The boring aeration pipe is also disposed on
Bottom of pond portion is reacted, and is placed in the lower section of film group device, the boring aeration pipe passes through the second air inlet pipeline and the second air blower (7)
It is connected for intermittent aerating；The bottom of the film group device is additionally provided with collecting box (8), and the collecting box connects membrane module (5)
With draining/mud line (9)；The automatic control unit includes on-line detector component (10), programmable PLC controller, adds
Ammonia/lye adjuster (11)；The on-line detector component is connect with programmable PLC controller data signal；It is described programmable
PLC controller and ammonification/lye adjuster control connect.
2. the device of fast realizing anaerobic ammonium oxidation granulation according to claim 1, it is characterised in that: the first air inlet pipe
Road is provided with the first air intake valve (12) and first gas flowmeter (13)；Be provided on second air inlet pipeline second into
Air valve (14) and second gas flowmeter (15)；The first gas flowmeter, second gas flowmeter respectively with it is programmable
The connection of PLC controller data-signal；The programmable PLC controller is controlled with the first air intake valve, the second air intake valve respectively
Connection；The first liquid flow regulating valve (16) and the first fluid flowmeter are provided on the water inlet pipe of the reaction tank component
(17)；Second liquid flow control valve (18) and second liquid flowmeter are provided on the draining/mud line；Described first
Fluid flowmeter, second liquid flowmeter are connect with programmable PLC controller data signal；The programmable PLC controller
It is connect with the first liquid flow regulating valve, second liquid Flux Valve Control.
3. the device of fast realizing anaerobic ammonium oxidation granulation according to claim 2, it is characterised in that: the automatic control
Component processed further includes heating rod (19), temperature sensor and the thermoregulator being set in reaction tank, the temperature sensor
It is connect with programmable PLC controller data signal, the heating rod is connected with thermoregulator, the programmable PLC control
Device and thermoregulator control connect.
4. the device of fast realizing anaerobic ammonium oxidation granulation according to claim 3, it is characterised in that: the online inspection
Surveying instrument component includes that the dissolved oxygen concentration on-line detector, the ammonia nitrogen concentration that connect with programmable PLC controller data signal are online
Detector, PH on-line detector.
5. the device of fast realizing anaerobic ammonium oxidation granulation according to claim 4, it is characterised in that: the micropore exposes
Gas disk diameter 270mm, aperture φ 6mm, oxygenation capacity 0.223-0.529kgO2/h；The aperture φ 4- of the boring aeration pipe
10mm, perforation spacing are 150-250mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821665790.5U CN209039154U (en) | 2018-10-15 | 2018-10-15 | A kind of device of fast realizing anaerobic ammonium oxidation granulation |
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| CN201821665790.5U CN209039154U (en) | 2018-10-15 | 2018-10-15 | A kind of device of fast realizing anaerobic ammonium oxidation granulation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109231448A (en) * | 2018-10-15 | 2019-01-18 | 北京城市排水集团有限责任公司 | A kind of device and its operation method of fast realizing anaerobic ammonium oxidation granulation |
| CN111675322A (en) * | 2020-06-22 | 2020-09-18 | 北京城市排水集团有限责任公司 | Method for quickly obtaining high-concentration anaerobic ammonia oxidation granular sludge and anaerobic ammonia oxidation granular sludge |
-
2018
- 2018-10-15 CN CN201821665790.5U patent/CN209039154U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109231448A (en) * | 2018-10-15 | 2019-01-18 | 北京城市排水集团有限责任公司 | A kind of device and its operation method of fast realizing anaerobic ammonium oxidation granulation |
| CN109231448B (en) * | 2018-10-15 | 2024-01-30 | 北京城市排水集团有限责任公司 | Device for rapidly realizing anaerobic ammonia oxidation granulation and operation method thereof |
| CN111675322A (en) * | 2020-06-22 | 2020-09-18 | 北京城市排水集团有限责任公司 | Method for quickly obtaining high-concentration anaerobic ammonia oxidation granular sludge and anaerobic ammonia oxidation granular sludge |
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