CN207227123U - A kind of biogas slurry treatment device - Google Patents
A kind of biogas slurry treatment device Download PDFInfo
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- CN207227123U CN207227123U CN201721188755.4U CN201721188755U CN207227123U CN 207227123 U CN207227123 U CN 207227123U CN 201721188755 U CN201721188755 U CN 201721188755U CN 207227123 U CN207227123 U CN 207227123U
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Abstract
The utility model discloses biogas slurry treatment device, for biogas slurry treatment field, including：Internal-circulation anaerobic reactor, has inlet, methane outlet, liquid outlet and liquid return hole；Aerobic nitrification reactor, inside sets aeration devices, and the liquid outlet of internal-circulation anaerobic reactor leads to the entrance of aerobic nitrification reactor；Anaerobic ammonia oxidation reactor, its inlet are communicated with the liquid outlet of aerobic nitrification reactor, and the liquid outlet of anaerobic ammonia oxidation reactor leads to transfer container.Internal-circulation anaerobic reactor and aerobic nitrator are first sequentially entered before biogas slurry enters anaerobic ammonia oxidation reactor, the COD in water can be carried out further to remove and increase the utilization rate of organic matter by inside following anaerobism generator, to reach requirement of the anaerobic ammonia oxidation process to water quality；In addition, internal-circulation anaerobic reactor and aerobic nitrator constitute the process combination of an A/O, for dephosphorization and continue to remove the organic matter in sewage, electron acceptor is provided for follow-up anaerobic ammonia oxidation process.
Description
Technical field
Biogas slurry treatment field is the utility model is related to, more particularly to a kind of biogas slurry treatment device.
Background technology
Maximum to environmental hazard in biogas slurry is NH3And the material such as PO, such as unprocessed discharge, these materials can do cyclization
The pollution of border water body.Have the technique handled using anaerobic ammonia oxidation process biogas slurry at present, however in biogas slurry COD generally compared with
Height, has the COD of water quality in anaerobic ammonia oxidation process system certain requirement, and in system ANAMMOX (red bacterium) propagation
It is also more sensitive to COD；The less COD considered how in reduction biogas slurry of current anaerobic ammonia oxidation process.
Utility model content
To solve the above-mentioned problems, the utility model provides a kind of biogas slurry treatment dress that can rationally remove COD in biogas slurry
Put.
Technical solution is used by the utility model：
A kind of biogas slurry treatment device, including：
Internal-circulation anaerobic reactor, has inlet, methane outlet, liquid outlet and liquid return hole；
Aerobic nitrification reactor, inside sets aeration devices, and the liquid outlet of internal-circulation anaerobic reactor leads to aerobic nitrification reaction
The entrance of device；
Anaerobic ammonia oxidation reactor, its inlet are communicated with the liquid outlet of aerobic nitrification reactor, Anammox reaction
The liquid outlet of device leads to transfer container.
As further improvement of the utility model, the aerobic nitrification reactor is equipped with mud discharging mouth, aerobic nitrification reaction
The mud discharging mouth of device passes to the sludge reflux mouth of internal-circulation anaerobic reactor by pipeline and the reflux pump being arranged on pipeline.
As further improvement of the utility model, the internal-circulation anaerobic reactor is equipped with mud discharging mouth, internal circulating anaerobic
The mud discharging mouth of reactor is passed to after being connected in parallel with the mud discharging mouth of aerobic nitrification reactor by pipeline for adding original biogas slurry
Biogas slurry pond in.
As further improvement of the utility model, solid-liquid separator is further included, the solid-liquid separator goes out with biogas residue
Mouth, the biogas slurry led to the suction inlet in biogas slurry pond and lead to filtering pond outlet, the inlet of internal-circulation anaerobic reactor are external from filter
Take out the feed pump for rising liquid in clear pond.
As further improvement of the utility model, between the liquid return hole of the transfer container and internal-circulation anaerobic reactor
Equipped with refluxing unit.
As further improvement of the utility model, the methane outlet of the internal-circulation anaerobic reactor is connected to by pipeline
Generating equipment, the pipeline for connecting generating equipment and methane outlet are equipped with back-fire relief water seal.
As further improvement of the utility model, the anaerobic ammonia oxidation reactor built-in biological bacterium bed.
The beneficial effects of the utility model are：The utility model biogas slurry enter anaerobic ammonia oxidation reactor before first successively into
Enter internal-circulation anaerobic reactor and aerobic nitrator, the COD in water can further be taken off by inside following anaerobism generator
The utilization rate of organic matter is removed and increases, to reach requirement of the anaerobic ammonia oxidation process to water quality；In addition, internal circulating anaerobic reacts
Device and aerobic nitrator constitute the process combination of an A/O, for dephosphorization and continue to remove the organic matter in sewage, are
Follow-up anaerobic ammonia oxidation process provides electron acceptor.
Brief description of the drawings
The utility model is further illustrated with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the technological principle schematic diagram of the utility model.
Embodiment
Biogas slurry treatment device as shown in Figure 1, including internal-circulation anaerobic reactor 1, aerobic nitrification reactor 2 and anaerobism ammonia
Oxidation reactor 3.
Wherein internal-circulation anaerobic reactor 1 is muti-level directory, also referred to as IC anaerobic reactors, its have into
Liquid mouth, methane outlet, liquid outlet and liquid return hole, three phase separator is additionally provided with the top of internal-circulation anaerobic reactor 1.Interior circulation
Anaerobic reactor 1 is a kind of efficient multistage inner circulation reactor, compared to former traditional anaerobic reactor, it have take up an area less,
Organic loading is high, impact resistance is stronger, and performance is more stable, operational administrative is simpler.When processing COD is 10000-15000mg/
During high concentrated organic wastewater during L, traditional general volumetric loading of anaerobic reactor is 5-8kgCOD/m3；IC anaerobic reactors hold
Product rate of load condensate is up to 15-30kgCOD/m3。
Aeration devices 21 are set in the aerobic nitrification reactor 2, aeration devices 21 are located at bottom, can be densely covered with it is micro-
The aeration tube in hole, aeration tube are connected with exterior air compressor 22 by pipeline.The top of internal-circulation anaerobic reactor 1 goes out liquid
Mouth leads to the entrance of 2 bottom of aerobic nitrification reactor by way of flow by gravity.
The anaerobic ammonia oxidation reactor 3, its inlet are communicated with the liquid outlet of aerobic nitrification reactor 2, to receive
Biogas slurry after aerobic nitrification.The liquid outlet of anaerobic ammonia oxidation reactor 3 leads to transfer container 10.
Above-mentioned internal-circulation anaerobic reactor 1 uses anaeration in normal temperature, biogas slurry after the processing of internal-circulation anaerobic reactor 1,
Biogas caused by anaerobic processes is discharged by the three phase separator gas collection area for being located at reactor head through pipeline, as follow-up work
Skill；
By the processed dilute biogas slurry of depth anaerobic technique, aerobic nitrification reactor 2 is flowed under gravity.Inside follow
Ring anaerobic reactor 1 and aerobic nitrator 2 constitute the process combination of an A/O, for dephosphorization and continue to remove sewage
In organic matter, provide electron acceptor for follow-up anaerobic ammonia oxidation process；
Biogas slurry after aerobic flows into anaerobic ammonia oxidation reactor 3, using anaerobic ammonia oxidation process to biogas slurry at
The advantages of reason, is in the case of without using biogas slurry carbon source to TN and NH3Removed.
In above process, biogas slurry sprays the oxygen in air with aeration tube and comes into full contact with, and oxygen is in aerobic nitrification device
Play the role of as follows：
1), to NH4 +Carry out oxidation generation nitrite NO2 -, electron acceptor is provided for anaerobic ammonia oxidation process；
2), the aerobic nitrification reactor 2 and composition of internal-circulation anaerobic reactor 1 A/O consolidates phosphorus technique；
3), effect of the oxygen in aerobic nitrification reactor 2 also includes further removing organic matter and the increase in sewage
The dissolved oxygen (DO) of sewage.
In addition, the combination of internal-circulation anaerobic reactor 1, anaerobic ammonia oxidation reactor 3 and aerobic nitrification reactor 2 can also
It is regarded as with the dephosphorization technology of an A/O.
It is further preferred that above-mentioned aerobic nitrification reactor 2 is equipped with the mud discharging mouth positioned at bottom, aerobic nitrification reactor
2 mud discharging mouth passes to the sludge reflux mouth of internal-circulation anaerobic reactor 1 by pipeline and the reflux pump 4 being arranged on pipeline.
It is further preferred that the bottom of internal-circulation anaerobic reactor 1 is also equipped with mud discharging mouth, internal-circulation anaerobic reactor 1
The mud discharging mouth of mud discharging mouth and aerobic nitrification reactor 2 passes to the biogas slurry pond for adding original biogas slurry after being connected in parallel by pipeline
In 5.It is corresponding, corresponding valve is set on pipeline, and to control spoil disposal, while valve can also control aerobic nitrator 2
Spoil disposal is row into internal-circulation anaerobic reactor 1 or biogas slurry pond 5.
It is further preferred that biogas slurry treatment device further includes solid-liquid separator 6, solid-liquid separator 6 has biogas residue outlet, leads to
Exported to the suction inlet in biogas slurry pond 5 with the biogas slurry for leading to filtering pond 7.The solid-liquid separator 6 is spiral dewaterer, described spiral de-
The feed inlet of water dispenser is connected in biogas slurry pond 5 as suction inlet by pipeline, and lifting is set between spiral dewaterer and biogas slurry pond 5
Pump 61, can by thick biogas slurry, from the sludge of 2 mud discharging mouth of aerobic nitrification reactor discharge, from 1 mud discharging mouth of internal-circulation anaerobic reactor
The sludge of discharge, which is inputted, carries out separation of solid and liquid into spiral dewaterer；The discharge port of spiral dewaterer forms biogas residue outlet, biogas residue
Outlet with external pipe and can be led to and drying device (not shown), after separation of solid and liquid, inorganic matter, fixation in thick biogas slurry
Carbon and the bulky grain organic matter not being hydrolyzed are trapped, and are sent to organic fertilizer production technique and are handled.
The liquid outlet of spiral dewaterer forms biogas slurry outlet, and biogas slurry outlet is led in filtering pond 7 by pipeline, is fed afterwards
Biogas slurry in filtering pond 7 is promoted to the inlet of internal-circulation anaerobic reactor 1 by pump 71.
The lettuce inputted from cleaner liquid to internal-circulation anaerobic reactor 1 sometimes may be higher, and is unfavorable for detesting
Oxygen reacts, for this can be in the relatively low liquid of the other input concentration in the bottom of internal-circulation anaerobic reactor 1 (water etc.), to dilute natural pond
The concentration of liquid.
Further, internal-circulation anaerobic reactor 1 is provided with liquid return hole, is set between transfer container 10 and liquid return hole equipped with reflux
Standby 8, the middle water that refluxing unit 8 has handled anaerobic ammonia oxidation reactor 3 in processing procedure carries out reuse, so as to save use
Water.In addition, the middle water in transfer container 10 is also used as the approach such as long-term irrigation.
It is further preferred that the methane outlet of internal-circulation anaerobic reactor 1 is connected to by pipeline and power generation (not shown) is set
Standby, the pipeline for connecting generating equipment and methane outlet is equipped with back-fire relief water seal 9.
It is further preferred that in order to strengthen the ammonia nitrogen removal efficiency of anaerobic ammonia oxidation reactor 3, filler is set in reactor
Bacterium bed as ANAMMOX (red bacterium).The principle of anaerobic ammonia oxidation process belongs to any technique commonly known, for this in embodiment
It is not described in detail.
In embodiment, initially entering the biogas slurry in biogas slurry pond 5 needs to carry out the adjusting of ammonia nitrogen, so that follow-up depth anaerobism tool
Standby feasibility.
Contain polyP bacteria in the sludge of aerobic nitrification reactor 2, can be cultivated in the reactor in advance, can also
The sludge for having cultivated polyP bacteria is directly injected into reactor.After biogas slurry in aerobic nitrification reactor 2 enters aerobic state,
PolyP bacteria is stored in internal PHB and carries out aerobic decomposition and discharge big energy, these energy parts are rised in value for polyP bacteria, part
As the phosphatic energy in its active absorption biogas slurry, phosphate is gathered in the form of poly- phosphorus in polyP bacteria body；Aerobic sludge
In include substantial amounts of polyP bacteria, may be reached by the discharge of sludge and remove phosphatic purpose.
PolyP bacteria is also contained by the sludge discharged in aerobic nitrification reactor 2, then under the mode of reflux, be back to
Also contain polyP bacteria in the sludge of internal-circulation anaerobic reactor 1 so that internal-circulation anaerobic reactor 1 can also realize the mesh for dragging phosphorus
's.
The above is the utility model preferred embodiment, it is not formed to scope of protection of the utility model
Limitation.
Claims (7)
- A kind of 1. biogas slurry treatment device, it is characterised in that including：Internal-circulation anaerobic reactor (1), has inlet, methane outlet, liquid outlet and liquid return hole；Aerobic nitrification reactor (2), inside sets aeration devices (21), and the liquid outlet of internal-circulation anaerobic reactor (1) leads to aerobic nitre Change the entrance of reactor (2)；Anaerobic ammonia oxidation reactor (3), its inlet are communicated with the liquid outlet of aerobic nitrification reactor (2), and Anammox is anti- The liquid outlet of device (3) is answered to lead to transfer container (10).
- 2. biogas slurry treatment device according to claim 1, it is characterised in that：The aerobic nitrification reactor (2) is equipped with row Mud mouth, the mud discharging mouth of aerobic nitrification reactor (2) pass to internal circulating anaerobic by pipeline and the reflux pump (4) being arranged on pipeline The sludge reflux mouth of reactor (1).
- 3. biogas slurry treatment device according to claim 2, it is characterised in that：The internal-circulation anaerobic reactor (1) is equipped with Mud discharging mouth, the mud discharging mouth of the mud discharging mouth and aerobic nitrification reactor (2) of internal-circulation anaerobic reactor (1) are connected in parallel by pipeline Pass to afterwards in the biogas slurry pond (5) for adding original biogas slurry.
- 4. biogas slurry treatment device according to claim 3, it is characterised in that：Further include solid-liquid separator (6), the solid-liquid Separator (6) has biogas residue outlet, leads to the suction inlet in biogas slurry pond (5) and leads to the biogas slurry outlet in filtering pond (7), and interior circulation is detested The inlet of oxygen reactor (1) is external to take out the feed pump (71) for rising liquid from filtering pond (7).
- 5. according to the biogas slurry treatment device described in claim 1 or 2 or 3 or 4, it is characterised in that：Refluxing unit (8) is equipped between the transfer container (10) and the liquid return hole of internal-circulation anaerobic reactor (1).
- 6. according to the biogas slurry treatment device described in claim 1 or 2 or 3 or 4, it is characterised in that：The methane outlet of the internal-circulation anaerobic reactor (1) is connected to generating equipment by pipeline, connects generating equipment and biogas The pipeline of outlet is equipped with back-fire relief water seal (9).
- 7. according to the biogas slurry treatment device described in claim 1 or 2 or 3 or 4, it is characterised in that：Anaerobic ammonia oxidation reactor (3) the built-in biological bacterium bed.
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| CN201721188755.4U CN207227123U (en) | 2017-09-14 | 2017-09-14 | A kind of biogas slurry treatment device |
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| CN201721188755.4U CN207227123U (en) | 2017-09-14 | 2017-09-14 | A kind of biogas slurry treatment device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107399820A (en) * | 2017-09-14 | 2017-11-28 | 广州沼能环保科技有限责任公司 | A kind of biogas slurry treatment device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107399820A (en) * | 2017-09-14 | 2017-11-28 | 广州沼能环保科技有限责任公司 | A kind of biogas slurry treatment device |
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