CN208649088U - A kind of original position sludge is synchronous to be reduced stable processing system - Google Patents
A kind of original position sludge is synchronous to be reduced stable processing system Download PDFInfo
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- CN208649088U CN208649088U CN201821228928.5U CN201821228928U CN208649088U CN 208649088 U CN208649088 U CN 208649088U CN 201821228928 U CN201821228928 U CN 201821228928U CN 208649088 U CN208649088 U CN 208649088U
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Abstract
The utility model discloses a kind of synchronous are reduced of sludge in situ to stablize processing system, the system is made of sludge condensation system, bioelectrochemical system and data acquisition and monitoring system three parts, sludge condensation system is gravity sludge concentration tank, it is divided into settling section from top to bottom, into mud area and sludge condensation area three parts, settling section top is equipped with water outlet, it is equipped with mud inlet into mud area, sludge condensation area is equipped with mud discharging mouth；Bioelectrochemical system is equipped with anode electrode and cathode electrode, and anode electrode is placed in sludge condensation area, and cathode electrode is suspended from settling section；Data acquisition and monitoring system is equipped with load and data collector, and load both ends are connected with anode electrode and cathode electrode respectively by conducting wire.Tthe utility model system structure is simple, low cost, can accomplished continuously or intermittently run, and is not necessarily to sludge pretreatment, can be realized the synchronous minimizing of sludge in situ and stabilisation.
Description
Technical field
The utility model relates to sludge reduction in sewage treatment plant and stabilisations, more particularly to deposit microorganism is fired
Material battery combines the stabilized system of progress sludge reduction in situ with Treatment of Sludge structures.
Background technique
Currently, being in the world more than that 90% municipal sewage treatment is all made of activated sludge process, can generate during processing
A large amount of sludge account for about processing sewage volume 0.3~0.5% (being in terms of 97% by moisture content).By-product of the sludge as sewage treatment
Object, usually contain it is a large amount of poisonous and harmful and to the substance that environment has a negative impact, such as toxic organics, heavy metal, disease
Opportunistic pathogen and parasitic ovum etc., it is necessary to it be dealt carefully with, avoid causing secondary pollution to environment.In usual sewage treatment plant
Treatment of Sludge process is concentration+conditioning+dehydration, this only makes sludge reduction, and is not able to achieve sludge stabilizing.It is same with this
When, Treatment of Sludge expense is expensive, and processing cost accounts for the 25%~40% of sewage plant operating cost, even as high as 60%.Therefore, dirty
The processing of mud has become the immense pressure that municipal wastewater treatment plant is faced.
Microbiological fuel cell (Microbial Fuel Cells, abbreviation MFC) is one kind using microorganism or enzyme as anode
Chemical energy is converted into the device of electric energy by catalyst.Using microbiological fuel cell, not only directly organic matter can be dropped
Solution, and electric current can be converted by the electronics generated in metabolic process, to obtain electric energy.In recent years, in environmental pollution and energy
Under the dual-pressure of source crisis, since microbiological fuel cell can handle simultaneously waste water and produce electricl energy, this new technology is more next
More favored by people, it has also become the research hotspot in wastewater treatment and new energy development field.Deposit microbiological fuel cell
(Sediment Microbial Fuel Cells, abbreviation SMFC) is a kind of novel microbiological fuel cell.SMFC structure letter
It is single, it is constructed for single chamber, and without proton exchange membrane, therefore at low cost, it is easy to accomplish engineering application.
Typical SMFC is that the anode of battery is placed in anoxic sediments object, and the cathode of battery is placed in overlying water, electricity
Son is transmitted by the conducting wire of jointed anode and cathode, without space obstacle between anode and cathode.Its working principles are as follows: in anode
Under the action of microorganism, substrate, which is decomposed, generates electronics, proton and other metabolites；Part electron transmission to anode surface simultaneously
Cathode is reached by external circuit, proton reaches cathode through electricity production matrix；In cathode surface, electronics, proton are in conjunction with electron acceptor
And form electric current.
Organic material content is about 50-70% in China's sludge, and carbohydrate content is higher.Therefore, sludge is both
Microorganism, but also as the electricity production matrix (organic matter) of microbiological fuel cell.The utility model is by sludge in sewage treatment plant
Concentration basin is combined with deposit microbiological fuel cell, realizes sludge reduction, and the micro- life of deposit by sludge concentration tank
Object fuel cell promotes sludge stabilizing.Excess sludge is as electricity-producing microorganism using in sludge concentration tank, without adding in electronics
Mediator；Excess sludge is not necessarily to sludge pretreatment as electricity production matrix using in sludge concentration tank；Cathode and anode are in same and construct
In object, proton exchange membrane that no setting is required can be carried out accomplished continuously or intermittently.The utility model is set without separately building sludge stabilization treatment
It applies, it can in-situ accomplishes sludge reduction and stabilisation.
Summary of the invention
The purpose of the utility model is to overcome the deficiencies in the prior art, a kind of synchronous decrement of sludge in situ is provided and stablizes processing
System.
The purpose of this utility model is achieved through the following technical solutions: a kind of original position sludge is synchronous to be reduced at stable
Reason system, the system are made of sludge condensation system, bioelectrochemical system and data acquisition and monitoring system three parts；The dirt
Mud concentration systems are gravity concentration tank, are divided into settling section from top to bottom, into mud area and sludge condensation area three parts, settling section top
Equipped with water outlet, it is equipped with mud inlet into mud area, sludge condensation area is equipped with mud discharging mouth；The bioelectrochemical system is equipped with anode electricity
Pole and cathode electrode, anode electrode are placed in sludge condensation area, and cathode electrode is suspended from settling section；The data acquisition and monitoring system is set
There are load and data collector, load both ends are connected with anode electrode and cathode electrode respectively by conducting wire；Data collector with
Load is connected with PC machine.
Further, the conductive material of the anode electrode and cathode electrode is selected from carbon paper, carbon cloth, carbon felt, carbon brush, carbon
One or more of fiber, graphite felt, graphite plate, graphite plate or stainless steel any combination.
Further, the anode electrode is placed in below mud inlet at 5-10cm；The anode electrode is using single or more
A layer stereo structure is adopted between multiple layer stereo structures and is connected serially, each list of single layer stereo structure
It is connected between layer plane structure using parallel way, single layer planar structure uses monocycle or multiring structure, each of multiring structure
It is connected between single ring architecture using parallel way, each single ring architecture is connected by multiple conductive units and formed；Layer stereo structure
Adjacent monolayer planar structure between spacing be 5-15cm；Between the adjacent layer stereo structure of multiple layer stereo structures
Spacing is 10-20cm；The ratio between anode electrode surface product and sludge condensation system volume are (1-30) m2:1m3。
Further, the cathode electrode is placed under the liquid level of settling section at 1-2cm；The cathode electrode using single or
Multiple polycyclic planar structures are adopted between multiple polycyclic planar structures and are connected serially, each monocycle of polycyclic planar structure
It is connected between structure using parallel way, each single ring architecture is connected by multiple conductive units and formed；Multiple polycyclic planar structures
Adjacent polycyclic planar structure between spacing be 10-20cm；Cathode electrode surface product and sludge condensation system surface area ratio
For 1m2:(2-5)m2。
Further, the conducting wire is sealed with anode electrode or cathode electrode junction with epoxy resin, conducting wire exposed portion
Divide to be covered with epoxy resin and seal.
Further, the load uses resistance value for the outer connecting resistance of 100-10000 Ω.
The utility model has the advantages that
1. the synchronous minimizing of sludge in situ and stabilisation can be realized.
2. yin, yang the two poles of the earth are in same structures, it is not necessarily to proton exchange membrane.
3. without adding electron medium, without being pre-processed to sludge.
4. can be reconstructed to original gravity sludge concentration tank without separately building Treatment of Sludge structures.
5. can produce electric energy, the energy in sludge is recycled.
Detailed description of the invention
Fig. 1 is that sludge synchronous be reduced in the utility model original position stablizes processing system schematic diagram；
Fig. 2 is anode electrode layer stereo structural schematic diagram；
Fig. 3 is the polycyclic planar structure schematic diagram of cathode electrode；
Wherein: settling section 1, into mud area 2, sludge condensation area 3, water outlet 4, mud inlet 5, mud discharging mouth 6, anode electrode 7, yin
Pole electrode 8, load 9, conducting wire 10, data collector 11, PC machine 12, conductive unit 13, frame 14, inner lead 15, anode are total
The total conducting wire 17 of conducting wire 16, cathode.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
As shown in Figure 1, a kind of synchronous be reduced of sludge in situ provided by the utility model stablizes processing system, the system is by dirt
Mud concentration systems, bioelectrochemical system and data acquisition and monitoring system three parts composition；The sludge condensation system is gravity
Concentration basin is divided into settling section 1, into 3 three parts of mud area 2 and sludge condensation area from top to bottom, and 1 top of settling section is equipped with water outlet 4,
It is equipped with mud inlet 5 into mud area 2, sludge condensation area 3 is equipped with mud discharging mouth 6；The bioelectrochemical system is equipped with anode electrode 7 and yin
Pole electrode 8, anode electrode 7 are placed in sludge condensation area 3, and cathode electrode 8 is suspended from settling section 1；The data acquisition and monitoring system is set
There are load 9 and data collector 11,9 both ends of load are connected with anode electrode 7 and cathode electrode 8 respectively by conducting wire 10；Conducting wire
10 are sealed with anode electrode 7 or 8 junction of cathode electrode with epoxy resin, and 10 expose portion of conducting wire epoxy resin covers close
Envelope；The both ends of load 9 are connect with data collector 11 simultaneously, and data collector 11 is connect with PC machine 12.The dirt of system processing
Mud is the sewage treatment plant for handling sanitary sewage or industrial wastewater or the excess sludge of Sewage Disposal generation.
The conductive material of the anode electrode 7 and cathode electrode 8 is selected from carbon paper, carbon cloth, carbon felt, carbon brush, carbon fiber, stone
One or more of black felt, graphite plate, graphite plate or stainless steel any combination.
It is the outer connecting resistance of 100-10000 Ω that the load 9, which can select resistance value,.
The anode electrode 7 is placed at 5 lower section 5-10cm of mud inlet；The anode electrode 7 uses single or multiple multilayers
Stereochemical structure is adopted between multiple layer stereo structures and is connected serially, each single layer plane of single layer stereo structure
It is connected between structure using parallel way, is drawn eventually by the total conducting wire 16 of anode, as shown in Fig. 2, single layer planar structure uses
Monocycle or multiring structure are connected using parallel way between each single ring architecture of multiring structure, and each single ring architecture is by multiple
Conductive unit 13 is formed by the series connection of inner lead 15；The conductive material of conductive unit 13 be selected from carbon paper, carbon cloth, carbon felt, carbon brush,
One or more of carbon fiber, graphite felt, graphite plate, graphite plate or stainless steel any combination；Conductive unit 13 passes through
Frame 14 supports, and the frame 14 uses insulating materials, or plates insulating layer on the metal material；Layer stereo structure it is adjacent
Spacing between single layer planar structure is 5-15cm；Spacing between the adjacent layer stereo structure of multiple layer stereo structures is
10-20cm；The ratio between anode electrode surface product and sludge condensation system volume are (1-30) m2:1m3.The beneficial effect of the structure is:
Anode electrode is placed at mud inlet at the 5-10cm of lower section, is washed away anode by sludge at mud inlet, be may advantageously facilitate anode electrode
Surface residual sludge interface updates, to accelerate the mass transfer velocity between excess sludge and anode electrode；Pass through anode electrode
Layer stereo structure increases the contact area of anode electrode and sludge condensation area excess sludge, and then accelerates the steady of excess sludge
Fixedization.
The cathode electrode 8 is placed under the liquid level of settling section 1 at 1-2cm；The cathode electrode 8 is using single or multiple more
Plane of a loop structure is adopted between multiple polycyclic planar structures and is connected serially, each single ring architecture of polycyclic planar structure it
Between connected using parallel way, drawn eventually by the total conducting wire 17 of cathode, as shown in figure 3, each single ring architecture is by multiple conductions
Unit 13 is formed by the series connection of inner lead 15；The conductive material of conductive unit 13 is selected from carbon paper, carbon cloth, carbon felt, carbon brush, carbon fiber
One or more of dimension, graphite felt, graphite plate, graphite plate or stainless steel any combination；Conductive unit 13 passes through frame
14 supports, the frame 14 uses insulating materials, or plates insulating layer on the metal material；Multiple polycyclic planar structures it is adjacent
Spacing between polycyclic planar structure is 10-20cm；Cathode electrode surface is long-pending and sludge condensation system surface area ratio is 1m2:
(2-5)m2.The beneficial effect of the structure is: by the polycyclic planar structure of cathode electrode, increasing cathode electrode and settling section
Contact area is conducive to electronics on cathode, proton in conjunction with the dissolved oxygen of settling section, so that anode current be pulled to export, accelerates
The stabilisation of excess sludge.
Excess sludge through mud inlet 5 enter sludge condensation system into mud area 2, carry out under the effect of gravity stratification precipitating and
Compression precipitating；Free water in excess sludge enters settling section 1, is discharged after effluent weir overflows from water outlet 4；Dirt after concentration
Mud enters sludge condensation area 3, is discharged through mud discharging mouth 6；At the same time, under the action of anode microorganism, excess sludge is decomposed
Generate electronics, proton and other metabolites；Part electron transmission reaches cathode electricity to 7 surface of anode electrode and by external circuit
Pole 8, proton reach cathode electrode 8 through electricity production matrix；On 8 surface of cathode electrode, electronics, proton and electron acceptor be (settling section 1
Dissolved oxygen) it combines and forms electric current, it is achieved in the synchronous minimizing of sludge in situ and stabilisation；What bioelectrochemical system generated
Electric signal is collected by data collector 11, and is transferred in PC machine 12, the operating condition of system is monitored by change in electric, just
Regulate and control in time in process.
Above-described embodiment is used to illustrate the utility model, rather than limits the utility model, practical at this
In novel spirit and scope of protection of the claims, to any modifications and changes that the utility model is made, this reality is both fallen within
With novel protection scope.
Claims (10)
1. a kind of synchronous be reduced of original position sludge stablizes processing system, which is characterized in that the system is by sludge condensation system, bioelectricity
Chemical system and data acquisition and monitoring system three parts composition；The sludge condensation system is gravity concentration tank, is divided from top to bottom
For settling section (1), into Ni Qu (2) and sludge condensation area (3) three parts, settling section (1) top is equipped with water outlet (4), into Ni Qu
(2) mud inlet (5) are equipped with, sludge condensation area (3) is equipped with mud discharging mouth (6)；The bioelectrochemical system is equipped with anode electrode (7)
With cathode electrode (8), anode electrode (7) is placed in sludge condensation area (3), and cathode electrode (8) is suspended from settling section (1)；The data
Acquire monitoring system and be equipped with load (9) and data collector (11), load (9) both ends pass through conducting wire (10) respectively with anode electrode
(7) it is connected with cathode electrode (8)；Data collector (11) is connect with load (9) and PC machine (12) respectively.
2. a kind of synchronous be reduced of sludge in situ according to claim 1 stablizes processing system, which is characterized in that the anode
The conductive material of electrode (7) and cathode electrode (8) be selected from carbon paper, carbon cloth, carbon felt, carbon brush, carbon fiber, graphite felt, graphite plate,
One or more of graphite plate or stainless steel any combination.
3. a kind of synchronous be reduced of sludge in situ according to claim 1 stablizes processing system, which is characterized in that the anode
Electrode (7) is placed in below mud inlet (5) at 5-10cm.
4. a kind of synchronous be reduced of sludge in situ according to claim 1 stablizes processing system, which is characterized in that the anode
Electrode (7) uses single or multiple layer stereo structures, adopts and is connected serially between multiple layer stereo structures, single more
It is connected between each single layer planar structure of layer stereochemical structure using parallel way, single layer planar structure uses monocycle or polycyclic knot
Structure, is connected using parallel way between each single ring architecture of multiring structure, and each single ring architecture is connected by multiple conductive units
It is formed.
5. a kind of synchronous be reduced of sludge in situ according to claim 4 stablizes processing system, which is characterized in that layer stereo
Spacing between the adjacent monolayer planar structure of structure is 5-15cm；The adjacent layer stereo structure of multiple layer stereo structures it
Between spacing be 10-20cm；The ratio between anode electrode surface product and sludge condensation system volume are (1-30) m2:1m3。
6. a kind of synchronous be reduced of sludge in situ according to claim 1 stablizes processing system, which is characterized in that the cathode
Electrode (8) is placed under the liquid level of settling section (1) at 1-2cm.
7. a kind of synchronous be reduced of sludge in situ according to claim 1 stablizes processing system, which is characterized in that the cathode
Electrode (8) uses single or multiple polycyclic planar structures, adopts and is connected serially between multiple polycyclic planar structures, polycyclic flat
It is connected between each single ring architecture of face structure using parallel way, each single ring architecture is connected by multiple conductive units and formed.
8. a kind of synchronous be reduced of sludge in situ according to claim 7 stablizes processing system, which is characterized in that multiple polycyclic
Spacing between the adjacent polycyclic planar structure of planar structure is 10-20cm；Cathode electrode surface product and sludge condensation system table
Area ratio is 1m2:(2-5)m2。
9. a kind of synchronous be reduced of sludge in situ according to claim 1 stablizes processing system, which is characterized in that the conducting wire
(10) it is sealed with anode electrode (7) or cathode electrode (8) junction with epoxy resin, conducting wire (10) expose portion epoxy resin
Covering sealing.
10. a kind of synchronous be reduced of sludge in situ according to claim 1 stablizes processing system, which is characterized in that described negative
Carrying (9) uses resistance value for the outer connecting resistance of 100-10000 Ω.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108751640A (en) * | 2018-07-31 | 2018-11-06 | 浙江工商大学 | A kind of original position sludge synchronizes decrement and stablizes processing system and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108751640A (en) * | 2018-07-31 | 2018-11-06 | 浙江工商大学 | A kind of original position sludge synchronizes decrement and stablizes processing system and method |
| CN108751640B (en) * | 2018-07-31 | 2023-08-18 | 浙江工商大学 | In-situ sludge synchronous decrement stabilization treatment system and method |
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