CN108585388A - A kind of biogas slurry treatment device - Google Patents
A kind of biogas slurry treatment device Download PDFInfo
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- CN108585388A CN108585388A CN201810754547.9A CN201810754547A CN108585388A CN 108585388 A CN108585388 A CN 108585388A CN 201810754547 A CN201810754547 A CN 201810754547A CN 108585388 A CN108585388 A CN 108585388A
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- biogas slurry
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46176—Galvanic cells
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
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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
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/005—Processes using a programmable logic controller [PLC]
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/16—Total nitrogen (tkN-N)
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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
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1263—Sequencing batch reactors [SBR]
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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
- C02F3/30—Aerobic and anaerobic processes
- C02F3/301—Aerobic and anaerobic treatment in the same reactor
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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
- C02F3/30—Aerobic and anaerobic processes
- C02F3/308—Biological phosphorus removal
-
- 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
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The present invention relates to provide a kind of biogas slurry treatment device, including iron-carbon micro-electrolysis reactor, sbr reactor device and artificial swamp；Iron-carbon micro-electrolysis Reactor inlet connects biogas slurry inlet pipe, and iron-carbon micro-electrolysis reactor outlet is connect with sbr reactor device import, and the outlet of sbr reactor device is connect with artificial swamp inlet duct；Wetland plant is planted in artificial swamp；Artificial swamp is connected with discharge pipe.While polluter is adsorbed using iron-carbon micro-electrolysis reactor, it outer need not realize and be electrolysed for electric power, equipment operating cost is low, and using SBR process iron-carbon micro-electrolysis treated waste water, anaerobism, anoxic and aerobic reaction are realized in sbr reactor device.Finally discharged after planting wetland plant in artificial swamp and carrying out purified treatment to waste water.
Description
Technical field
The present invention relates to a kind of biogas slurry treatment devices.
Background technology
With the development of China's economic society, the trend of aquaculture scale is getting faster, and is turned from traditional free-ranging
Become small-scale centralization cultivation and large-scale industrialized cultivation.For scale livestock farming, large and medium-sized natural pond is built using concentrating
Gas engineering is handled.Biogas engineering passes through a large amount of biogas slurries that anaerobic fermentation generates, and presently, there are can not dissolve processing difficulty
Problem, or even secretly arranged in some remote irrigation canals and ditches, serious pollution not only is caused to underground water body environment, while
It is a kind of waste for nutrients resource in biogas slurry.Therefore, the reasonable disposition of biogas slurry is that the current scale biogas engineering of restriction can
An important factor for sustainable development.
A kind of biogas slurry treatment system and method that 106865900 A of patent CN are provided, by being electrolysed processing unit to biogas slurry
Processing realize the removal of heavy metal in biogas slurry, but be electrolysed in treatment process, using processing of the electrolysis processing unit to biogas slurry
Meanwhile outer realized for electric power being needed to be electrolysed, increase equipment operating cost, while also increasing the consumption of the energy, this is just at present
Problem.
Invention content
The technical problem to be solved by the present invention is to：It overcomes the deficiencies of the prior art and provide a kind of further to liquid waste water
Processing, energy consumption is few, the simple biogas slurry treatment device of operation and maintenance.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of biogas slurry treatment device, including iron-carbon micro-electrolysis reactor, sbr reactor device and artificial swamp are provided；
Iron-carbon micro-electrolysis Reactor inlet connects biogas slurry inlet pipe, iron-carbon micro-electrolysis reactor outlet and sbr reactor device import
Connection, the outlet of sbr reactor device are connect with artificial swamp inlet duct；
Wetland plant is planted in artificial swamp；Artificial swamp is connected with discharge pipe.
Through the above scheme, it while absorption polluter using iron-carbon micro-electrolysis reactor, need not supply outside
Electric power realizes electrolysis, and equipment operating cost is low, using SBR process iron-carbon micro-electrolysis treated waste water, in sbr reactor device
Middle realization anaerobism, anoxic and aerobic reaction.Finally pass through plantation wetland plant in artificial swamp and purified treatment is carried out to waste water
After discharge.
Further, sbr reactor device includes sbr reactor pond, and reaction tank bottom is provided with several aeration heads, is arranged in reaction tank
There is agitating device.
Further, further include sedimentation basin and downflow weir, the upper end of sedimentation basin forms water outlet, the overflow port of downflow weir upper end
It is connected to the water outlet of sedimentation basin, downflow weir lower end water outlet is connected to the biogas slurry inlet pipe of iron-carbon micro-electrolysis Reactor inlet.
Through the above scheme, biogas slurry waste water can be made even into iron-carbon micro-electrolysis reactor using downflow weir.
Further, it is provided with filter screen between sedimentation basin upper end water outlet and the overflow port of downflow weir.
Through the above scheme, ensure that the solid portion in biogas slurry waste water is trapped within precipitation to a greater extent using filter screen
Pond.
Further, the bottom of sedimentation basin is provided with the slag-drip opening for biogas residue to be discharged.
Further, sbr reactor device further includes PLC controller, PLC controller respectively with agitating device and each aeration head
Controller be electrically connected.
Through the above scheme, control agitating device is carried out using PLC controller, saves occupation of land and equipment investment, operation is certainly
Dynamicization degree is high.
The beneficial effects of the invention are as follows：
While adsorbed polluter using iron-carbon micro-electrolysis reactor, it outer need not realize and be electrolysed for electric power,
Equipment operating cost is low, using SBR process iron-carbon micro-electrolysis treated waste water, anaerobism is realized in sbr reactor device, is lacked
Oxygen and aerobic reaction.It is finally discharged after planting wetland plant in artificial swamp and carrying out purified treatment to waste water, reaches consumption
Can be few, operation and maintenance simple effects.
The present invention pre-processes pending biogas slurry, and filter screen is arranged on the downflow weir of primary sedimentation tank, ensures natural pond
Solid portion in liquid is trapped within sedimentation basin to a greater extent；
The relatively other electrolysis treatment process of the present invention are compared, and using iron-carbon micro-electrolysis filler, are adsorbed in polluter
While, it outer need not realize and be electrolysed for electric power, equipment operating cost is low；
The present invention realizes that anaerobism-lacks using SBR process iron-carbon micro-electrolysis treated waste water in a reactor
Oxygen-is aerobic, while having PLC controller to be controlled, and saves occupation of land and equipment investment, runs high degree of automation；
The present invention is further processed waste water using artificial swamp, and energy consumption is few, and operation and maintenance are simple.
Description of the drawings
The following further describes the present invention with reference to the drawings.
Fig. 1 is the schematic diagram of the present invention；
Wherein；Biogas slurry inlet pipe 1, sedimentation basin 2, filter screen 3, downflow weir 4, iron-carbon micro-electrolysis reactor 5, sbr reactor device 6,
Artificial swamp 7.
Specific implementation mode
Presently in connection with attached drawing, the present invention is further illustrated.These attached drawings are simplified schematic diagram only with signal side
Formula illustrates the basic structure of the present invention, therefore it only shows the composition relevant to the invention.
As described in Figure 1；
A kind of biogas slurry treatment device, including iron-carbon micro-electrolysis reactor 5, sbr reactor device 6 and artificial swamp 7 are provided；Iron
6 import of carbon micro-electrolysis reactor connects biogas slurry inlet pipe 1, and the outlet of iron-carbon micro-electrolysis reactor 5 is connect with 6 import of sbr reactor device,
The outlet of sbr reactor device 6 is connect with 7 inlet duct of artificial swamp；Wetland plant is planted in artificial swamp 7；Artificial swamp 7 is connected with
Discharge pipe.
Further include sedimentation basin 2 and downflow weir 4, the upper end of sedimentation basin 2 forms water outlet, the overflow port of 4 upper end of downflow weir with
The water outlet of sedimentation basin 2 is connected to, and filter screen 3 is provided between 2 upper end water outlet of sedimentation basin and the overflow port of downflow weir 4, is precipitated
The bottom in pond 2 is provided with the slag-drip opening for biogas residue to be discharged, 4 lower end water outlet of downflow weir and 5 import of iron-carbon micro-electrolysis reactor
Biogas slurry inlet pipe 1 be connected to, be provided with filter screen 3 between 2 upper end water outlet of sedimentation basin and the overflow port of downflow weir 2.Using overflow
Weir 4 can make biogas slurry waste water even into iron-carbon micro-electrolysis reactor, ensure the solid portion in biogas slurry waste water using filter screen 3
It is trapped within sedimentation basin 2 to a greater extent.
Meanwhile sbr reactor device 6 includes sbr reactor pond, reaction tank bottom is provided with several aeration heads, is arranged in reaction tank
It further includes PLC controller, the PLC controller control with agitating device and each aeration head respectively to have agitating device, sbr reactor device
Device processed is electrically connected, and is carried out control agitating device using PLC controller, is saved occupation of land and equipment investment, runs the degree of automation
It is high.
It specifically, need not be outer for electric power reality while absorption polluter using iron-carbon micro-electrolysis reactor 5
It is now electrolysed, equipment operating cost is low, real in sbr reactor device 6 using SBR process iron-carbon micro-electrolysis treated waste water
Existing anaerobism, anoxic and aerobic reaction.Finally pass through plantation wetland plant in artificial swamp 7 and purified treatment heel row is carried out to waste water
It puts.
Catalytic action of the iron filings to the attached collection of the electricity of flco and to reaction in iron-carbon micro-electrolysis reactor 5.Cell reaction is produced
The result of the comprehensive effect of the effects that filtering of the coagulation of object, the absorption of newborn flco and bed.Wherein main function is oxidation
Reduction and the attached collection of electricity, the main component of waste iron filing is iron and carbon, when being dipped in electrolyte solution, due between Fe and C
There are the difference in Electrode Potential of 1.2V, thus can form countless micro cell systems, and an electric field, anode are constituted in its action space
Reaction generates a large amount of Fe2+ and enters waste water, and then is oxidized to Fe3+, and being formed has the active flocculant of higher adsorption-flocculation.It is cloudy
Pole reaction generates [H] and [O] of a large amount of nascent states, and under conditions of slant acidity, these active constituents can be permitted with waste water
Multicomponent occur redox reaction, make organic macromolecule occur chain-scission degradation, to eliminate organic matter especially print and dye give up
The coloration of water improves the biochemical degree of waste water, and cathode reaction consumes a large amount of H+ and generates a large amount of OH-, this makes
The pH value of waste water also increases, while reducing the COD in biogas slurry waste water.
Biogas slurry waste water after 5 microelectrolysis processing of iron-carbon micro-electrolysis reactor is flowed into sbr reactor device 6, passes through exposure
The treatment technology that gas head is run in the way of intermittent aerating.Its orderly and intermittently operated being mainly characterized by operationally,
The core of sbr reactor device 6 is sbr reactor pond, and Chi Ji homogenizing, just heavy, biodegradable, two functions such as heavy are in a pond, no reflux
System.
In sbr reactor pond, biogas slurry waste water first after 5 microelectrolysis processing of iron-carbon micro-electrolysis reactor flow into
Stand-by time terminates to be considered a cycle, and in one cycle, all processes are all anti-in the SBR with aeration head and agitating device
It is carried out successively in Ying Chi, this operation cycle is repeated in cycles, to achieve the purpose that constantly to carry out wastewater treatment.
It is that the biogas slurry waste water after 5 microelectrolysis processing of iron-carbon micro-electrolysis reactor is received in sbr reactor pond in process of intaking
Process, waste water flow into start before be draining or the standby mode in the one before period, therefore remained in reaction tank and have the natural pond of high concentration
Liquid waste water mixed liquor, the water level in reaction tank is minimum at this time, in flooding time in other words before reaching peak level, reaction
The drainage system in pond is constantly in closed state.
Since water inlet process only only flows into waste water, emission treatment water, sbr reactor pond do not play the role of regulating reservoir, therefore
Unlike the conventional method of continuum micromeehanics continuous effluent is easily influenced by load change, in the operation of SBR methods, even if having water and water
The variation of matter, on water quality treatment also without great influence.
During waste water flows into, not only regard the rising of water level as, and carry out important biochemical reaction (phosphorus
Release and denitrogenation etc.), it can be divided into three kinds of situations during this period：1. being aerated (aerobic reaction)；2. stirring (anaerobic reaction)；3. quiet
It sets.
Using the aeration head of sbr reactor device 6 in the case of aeration (aerobic), organic matter is almost by oxygen during water inlet
It melts, which can be described as Unconstrained arcs process.On the contrary, the agitating device stirring (anaerobism) of sbr reactor device 6 then inhibits aerobic
Reaction, this process are limitation aeration process.It stands and then uses static method.All it is according to technique no matter which kind of form used
It is required that determined with the property processing target as a whole of waste water, this is the feature of SBR technique maximums, in conventional method by
Determine in the size specification of each structures and water pump, it is very difficult to change reaction time and reaction condition.
It in reaction process after waste water injection reaches predetermined volume, is aerated and is stirred, (gone with reaching reaction purpose
Except BOD, nitrification, denitrogenation dephosphorizing).For example, achieve the purpose that denitrogenation, is aoxidized, nitrified by aerobic reaction (aeration), so
Denitrogenation by anaerobic reaction (stirring) afterwards.To ensure the effect of precipitation process, in the reaction process later stage, into precipitation process it
Preceding to carry out of short duration limited aeration, removal is attached to the nitrogen on sludge.Dirt can be also carried out in the later stage of reaction process.
The aeration and agitating device stirring, waste water particle for stopping the aeration head of sbr reactor device 6 in precipitating process carry out weight
Power precipitates and separation of the supernatant, and the precipitation process in sbr reactor pond is quiescent setting, thus has higher deposition efficiency.
It is known as standby process during beginning to the next period after precipitation in standby process.It can be stirred as needed
It mixes or is aerated.Energy is not only saved using stirring under anaerobic, while to keeping the activity of sludge to be also advantageous.With
Dephosphorization is in purpose device, and the discharge of excess sludge is usually at the beginning of standby process and the last progress of precipitation process.
After 6 reactor for treatment of sbr reactor device, it will give up by the advanced treating of artificial swamp 7 into artificial swamp 7
The pollutant removals such as remaining organic matter, TN, TP in water.
In practical operation, biogas slurry waste water, which enters by biogas slurry inlet pipe 1 in sedimentation basin 2, to be precipitated, the waste water warp after precipitation
It crosses filter screen 3 and flows into downflow weir 4, entered in iron-carbon micro-electrolysis reactor 5 through piping, treated by iron-carbon micro-electrolysis
Biogas slurry COD is substantially reduced, and is entered in sbr reactor device 6 by pipeline, realizes that anaerobism-lacks under PLC automatic control system control
Oxygen-is aerobic, removes organic matter and nitrogen component in waste water, and then flows into artificial swamp 7 and carry out advanced treating, treated water
It is discharged.
It is enlightenment with above-mentioned desirable embodiment according to the present invention, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to determine its technical scope according to right.
Claims (6)
1. a kind of biogas slurry treatment device, characterized in that including iron-carbon micro-electrolysis reactor (5), sbr reactor device (6) and artificial
Wetland (7)；
Iron-carbon micro-electrolysis reactor (5) import connection biogas slurry inlet pipe (1), iron-carbon micro-electrolysis reactor (5) outlet with
Sbr reactor device (6) import connects, and sbr reactor device (6) outlet is connect with artificial swamp (7) inlet duct；
Wetland plant is planted in the artificial swamp (7)；The artificial swamp (7) is connected with discharge pipe.
2. biogas slurry treatment device according to claim 1, characterized in that the sbr reactor device (5) includes sbr reactor pond,
The reaction tank bottom is provided with several aeration heads, and agitating device is provided in the sbr reactor pond.
3. biogas slurry treatment device according to claim 1, characterized in that further include sedimentation basin (2) and downflow weir (4), institute
The upper end for stating sedimentation basin (2) forms water outlet, the water outlet of the overflow port and the sedimentation basin (2) of downflow weir (4) upper end
Connection, downflow weir (2) the lower end water outlet are connected to the biogas slurry inlet pipe (1) of iron-carbon micro-electrolysis reactor (5) import.
4. biogas slurry treatment device according to claim 3, characterized in that sedimentation basin (2) the upper end water outlet and overflow
Filter screen (3) is provided between the overflow port on weir (4).
5. biogas slurry treatment device according to claim 3, characterized in that the bottom of the sedimentation basin (2), which is provided with, to be used for
The slag-drip opening of biogas residue is discharged.
6. biogas slurry treatment device according to claim 2, characterized in that the sbr reactor device (6) further includes PLC controls
Device, the PLC controller are electrically connected with the controller of agitating device and each aeration head respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810754547.9A CN108585388A (en) | 2018-07-11 | 2018-07-11 | A kind of biogas slurry treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810754547.9A CN108585388A (en) | 2018-07-11 | 2018-07-11 | A kind of biogas slurry treatment device |
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| CN108585388A true CN108585388A (en) | 2018-09-28 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109928511A (en) * | 2019-03-15 | 2019-06-25 | 西安建筑科技大学 | Materialization based on iron-carbon micro-electrolysis-biological coupling denitrification and dephosphorization method and reactor |
| CN111592099A (en) * | 2020-05-31 | 2020-08-28 | 浙江工业大学 | Method and device for sewage treatment by using sequencing batch activated sludge reactor |
| CN112624500A (en) * | 2020-12-11 | 2021-04-09 | 河北中科威德环境工程有限公司 | Kitchen waste sewage treatment system and method |
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| CN101759323A (en) * | 2009-12-24 | 2010-06-30 | 江西省科学院能源研究所 | Treatment combined process for pig farm waste water with high nitrogen content |
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| CN106865890A (en) * | 2017-03-02 | 2017-06-20 | 南昌大学 | A/O SBBR oxidation pond artificial wetland treatments pig farm biogas slurry system |
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| CN101759323A (en) * | 2009-12-24 | 2010-06-30 | 江西省科学院能源研究所 | Treatment combined process for pig farm waste water with high nitrogen content |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109928511A (en) * | 2019-03-15 | 2019-06-25 | 西安建筑科技大学 | Materialization based on iron-carbon micro-electrolysis-biological coupling denitrification and dephosphorization method and reactor |
| CN109928511B (en) * | 2019-03-15 | 2021-06-29 | 西安建筑科技大学 | Physicochemical-biological coupling nitrogen and phosphorus removal method and reactor based on iron-carbon micro-electrolysis |
| CN111592099A (en) * | 2020-05-31 | 2020-08-28 | 浙江工业大学 | Method and device for sewage treatment by using sequencing batch activated sludge reactor |
| CN112624500A (en) * | 2020-12-11 | 2021-04-09 | 河北中科威德环境工程有限公司 | Kitchen waste sewage treatment system and method |
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