CN209098273U - Apparatus for electrochemical treatment for landfill leachate MBR water outlet - Google Patents
Apparatus for electrochemical treatment for landfill leachate MBR water outlet Download PDFInfo
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- CN209098273U CN209098273U CN201821351947.7U CN201821351947U CN209098273U CN 209098273 U CN209098273 U CN 209098273U CN 201821351947 U CN201821351947 U CN 201821351947U CN 209098273 U CN209098273 U CN 209098273U
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Abstract
The utility model discloses a kind of apparatus for electrochemical treatment for landfill leachate MBR water outlet, including electrolytic cell and outer circular slot, electrolytic cell has the first inlet, the first leakage fluid dram and electrode, electrode includes vertical alternately arranged DSA electrode and carbon steel electrode, and DSA electrode connects the first metallic conductor and the second metallic conductor with carbon steel electrode；Outer circular slot has the second inlet, the second leakage fluid dram, slag-drip opening, circulation fluid entrance, circulation fluid outlet, first inlet of electrolytic cell passes through the circulation fluid outlet of pipeline and water pump and outer circular slot, and the first leakage fluid dram of electrolytic cell is connected to by pipeline with the circulation fluid entrance of outer circular slot.The utility model provides forward and reverse electric current by power supply, carbon steel electrode and DSA electrode is set frequently to carry out switching between the cathode and the anode under the conditions of automatic, it realizes the electrolytic process with different function, effectively removes landfill leachate MBR and be discharged interior COD and ammonia nitrogen, landfill leachate MBR standard water discharge is discharged.
Description
Technical field
The utility model belongs to the processing of electrochemical treatments technical field more particularly to a kind of landfill leachate MBR water outlet
Equipment.
Background technique
Landfill leachate MBR water outlet, to be difficult to continue the waste water of bio-chemical effluent.It is wanted to make landfill leachate realize to reach
Discharge is asked, often carries out the processing of landfill leachate MBR water outlet using embrane method at this stage, but embrane method is during processing, often
Generate reluctant film concentrate.Electrochemical oxidation technology is a kind of mode of advanced oxidation processing, passes through electrolytic process
Organic matter is resolved into small molecule and CO2 by strong oxidation, and removal landfill leachate MBR is discharged interior COD, realizes row up to standard
It puts.
Utility model content
The purpose of the utility model is to provide a kind of apparatus for electrochemical treatment for landfill leachate MBR water outlet, yin-yang
The extremely convertible electrochemical treatments being electrolysed stage by stage handle landfill leachate MBR water outlet, make landfill leachate
Qualified discharge is realized in MBR water outlet.
The technical solution of the utility model is:
A kind of apparatus for electrochemical treatment for landfill leachate MBR water outlet, including electrolytic cell and outer circular slot, in which:
Electrolytic cell has the first inlet, the first leakage fluid dram and electrode, and the first inlet is located at the bottom of electrolytic cell, the first leakage fluid dram position
In the top of electrolytic cell, electrode includes vertical alternately arranged DSA electrode and carbon steel electrode, and DSA electrode and carbon steel electrode divide
The first metallic conductor and the second metallic conductor are not connected；Outer circular slot has the second inlet, the second leakage fluid dram, slag-drip opening, follows
Ring liquid entrance, circulation fluid outlet, the second inlet, the second leakage fluid dram, circulation fluid entrance and circulation fluid outlet are located at outer circular slot
Lower part, slag-drip opening is located at the top of outer circular slot, and the first inlet of electrolytic cell passes through pipeline and water pump and outer circular slot
First leakage fluid dram of circulation fluid outlet, electrolytic cell is connected to by pipeline with the circulation fluid entrance of outer circular slot.
Preferably, the interpolar of DSA electrode and carbon steel electrode is away from for 2cm.
Preferably, the first metallic conductor and the second metallic conductor are copper.
Preferably, outer circular slot further includes the aerator for being arranged in its bottom.
Preferably, aerator includes the air bearing aeration tube for protruding into outer circular slot bottom, the sky connecting with air bearing aeration tube
Air pump, and the gas flowmeter for controlling air inflow.
Preferably, which further includes the power supply with timing electrode inversing function, and the first of the power supply is defeated
Outlet is connect with the first metallic conductor, and second output terminal is connect with the second metallic conductor.
Preferably, which further includes a threeway, the second leakage fluid dram and circulation fluid entrance of outer circular slot
Co-located, the first end of threeway connects circulation fluid entrance, and second end connects the first leakage fluid dram, and third end is as drain
End, and pass through the on-off at three ends of valve control.
The utility model has the advantages that
(1) forward and reverse electric current is provided by power supply, carbon steel electrode and DSA electrode is made frequently to carry out yin under the conditions of automatic
Anode switching, realizing has the electrolytic process of different function.Carbon steel electrode is used as anode, generates Fe2+Ion, can be with rubbish
Colloidal substance in percolate MBR water outlet combines, and is discharged out of landfill leachate after forming wadding body, can significantly remove garbage filter
Liquid MBR is discharged interior organic matter；DSA electrode is used as anode, can be utilized the oxidability on its surface, be reached degradation garbage filter
Liquid MBR is discharged interior ammonia nitrogen and partial organic substances, further removes the purpose of COD in landfill leachate MBR water outlet.
(2) device of this electrochemical treatments landfill leachate MBR water outlet, structure is simple, easily operated, can effectively remove
Landfill leachate MBR is discharged interior COD and ammonia nitrogen, and landfill leachate MBR is discharged interior COD and ammonia-nitrogen content is down to " house refuse
Fill contamination control standard " (GB16889-2008) table 2 discharge standard requirement, with realize landfill leachate MBR water outlet it is up to standard
Discharge.
Detailed description of the invention
Structural schematic diagram described in Fig. 1 embodiment for the electrochemical appliance of landfill leachate MBR water outlet；
Fig. 2 be carbon steel electrode be anode, electrolysis schematic diagram when DSA electrode is cathode；
Fig. 3 be DSA electrode be anode, electrolysis schematic diagram when carbon steel electrode is cathode；
In figure: 1- electrolytic cell, 11-DSA electrode, 12- carbon steel electrode, 13- inlet, 14- liquid outlet, 15- water pump； 2-
Outer circular slot, 21- inlet, 22- leakage fluid dram, 23- slag-drip opening, 24- air bearing aeration tube, 25- gas flowmeter, 26- air
Pump, the outlet of 27- circulation fluid, 28- circulation fluid entrance, 29- threeway, 291- valve, 292- valve, 293- valve.
Specific embodiment
As shown in Figure 1, disclosing a kind of apparatus for electrochemical treatment for landfill leachate MBR water outlet, master in embodiment
It to be made of power supply and electrolysis installation.
Power supply has timing electrode inversing function, exportable forward and reverse electric current.When power supply connection DSA electrode 11 is anode, connection
Carbon steel electrode 12 is cathode；After timing extremely, it is cathode that power supply, which is connected to DSA electrode 11, and connection carbon steel electrode 12 is anode.
Electrolysis installation includes electrolytic cell 1 and outer circular slot 2.
Electrolytic cell 1 includes the inlet 13 that its bottom is arranged in and the liquid outlet 14 for being disposed thereon portion, built-in DSA electrode
11 and carbon steel electrode.DSA electrode and carbon steel electrode are vertically arranged alternately, and interpolar is away from for 2cm.In specific application, electricity can be passed through
Every carbon steel electrode is connected on one piece of copper bar by cable, and copper bar is then connected to the defeated of the power supply with timing electrode inversing function
Outlet；Likewise, every DSA electrode is connected on another piece of copper bar by cable, then copper bar is connected to have and be determined
When electrode inversing function power supply another output end.
Outer circular slot 2 exports 27, circulation fluid entrance 28 including inlet 21, leakage fluid dram 22, slag-drip opening 23, circulation fluid, with
And aerator.Wherein, slag-drip opening 23 is located at the top of outer circular slot 2, and inlet 21, leakage fluid dram 22, circulation fluid export 27 and
Circulation fluid entrance 28 is all set in the lower part of outer circular slot 2.In embodiment, leakage fluid dram 22 and circulation fluid entrance 28 are shared one
A outlet, and pass through the flow direction of three valves control liquid of a cooperation of threeway 29.Specifically, in electrolysis installation operational process,
Valve 291 and valve 292 are opened, valve 293 is closed, the liquid in electrolytic cell 1 is made to enter outer circular slot 2；Landfill leachate MBR
When water outlet detection is up to standard or when electrolysis installation deactivates, valve 292 and valve 293 are opened, valve 291 is closed, makes outer circular slot 2
Liquid discharge.Detection can in outer circular slot 2 sample detection, can also be arranged at threeway an on-line detector carry out in real time
Detection.Aerator includes air bearing aeration tube 24, gas flowmeter 25 and air pump 26.Air bearing aeration tube 24 is protruded into from side wall
The bottom of outer circular slot 2 is connect by air inlet pipe with air pump 26, and gas flowmeter 25 is arranged in air inlet pipe, for real-time
Air inlet size is monitored, and then controls aeration quantity.It should be noted that other types of aerator can also be used, as long as energy
It realizes air bearing effect, wadding body is made to float on water surface.It when carbon steel is anode, DSA electrode is cathode, is electrolysed, shape
At electric flocculation process, Fe2+Part colloidal organic matter in dissolution, with landfill leachate MBR water outlet forms wadding body, is filled by aeration
The air bearing effect for setting generation, makes wadding body float on water surface, is discharged by the slag-drip opening 23 on circulating slot, so that realizing will carry
The wadding body of organic matter is excluded out of landfill leachate.
Outer circular slot 2 is connected by pipeline with electrolytic cell 1, is sent waste water in outer circular slot 2 to electrolytic cell 1 by water pump 15
Electrochemical treatments are carried out, then enter outer circular slot 2 from the outflow of electrolytic cell 1 again, to realize that landfill leachate MBR is being electrolysed
Circular treatment in slot 1.When treated water outlet reach discharge standard after, discharged by discharge outlet.
The device can be by switching over the current direction that power supply provides, and anodic-cathodic is convertible to be electrolysed, simultaneously
It realizes electric flocculation and electroxidation processing, substantially increases landfill leachate MBR and be discharged interior COD and ammonia nitrogen degradation rate.In conjunction with Fig. 2 institute
Show, carbon steel electrode serve as anode in use, carbon steel electrode surface can uniform dissolution, discharge Fe2+ to waste water in, serve as cathode
When, it is beneficial to water in electrode surface discharge and generates hydrogen and hydroxide ion.As shown in connection with fig. 3, DSA electrode is serving as cathode
When, water can generate hydrogen and hydroxide ion in electrode surface discharge, and when serving as anode, organic matter can be in electrode surface discharge
It is degraded, inorganic anion discharges in electrolytic surface, generates oxidant.
The device working principle is as follows:
Landfill leachate MBR water outlet enters in electrolysis installation, at this point, setting carbon steel electrode 12 is anode, DSA electrode 11
For cathode, electric flocculation processing operation is carried out, at this point, carbon steel electrode 12 is used as anode, generates Fe2+Ion, Fe2+Ion can
Wadding body is formed in conjunction with the colloidal substance in landfill leachate MBR water outlet, electric flocculation water outlet is by overflow manner through electrolysis installation 1
The liquid outlet 14 on top is discharged, and enters external circulating slot 2 by pipeline.Open the air bearing aeration tube in external circulating slot 2
24, micro-bubble carries wadding body and floats on landfill leachate surface in outer circular slot 2, opens 23 valve of slag-drip opening, passes through overflow
Mode, external circulating slot 2 is discharged in the wadding body suspended matter on landfill leachate surface, it is organic in landfill leachate MBR water outlet
Object is discharged with wadding body, greatly reduces the content of organics in landfill leachate MBR water outlet.After the completion of electric flocculation process, wadding
Body is discharged out of landfill leachate, and landfill leachate MBR water outlet can be pumped into electrolytic cell 1 by water pump 15 again after leaving flocculation
Electroxidation processing is carried out, at this point, power supply is carried out the operation of falling pole, DSA electrode 11 is anode, and carbon steel electrode 12 is cathode, DSA
Electrode 11 is used as anode, and organic matter can be oxidized to CO in 11 surface-discharge of DSA electrode2Or other small molecules are organic
Object, inorganic anion can produce Active Chlorine in 11 surface-discharge of DSA electrode, degradable garbage percolate MBR be discharged in ammonia nitrogen and
Partial organic substances further remove landfill leachate MBR and are discharged interior COD, to reach " consumer waste filling and embedding contamination control standard "
(GB16889-2008) 2 discharge standard of table requirement.
Although the embodiments of the present invention are described in conjunction with attached drawing above, the utility model does not limit to
In above-mentioned specific embodiments and applications field, above-mentioned specific embodiment is only schematical, directiveness, without
It is restrictive.Those skilled in the art under the enlightenment of this specification, are not departing from the utility model claims
In the case where the range protected, a variety of forms can also be made, these belong to the column of the utility model protection.
Claims (7)
1. a kind of apparatus for electrochemical treatment for landfill leachate MBR water outlet, which is characterized in that including electrolytic cell and outer circulation
Slot, in which:
The electrolytic cell has the first inlet, the first leakage fluid dram and electrode, and first inlet is located at the bottom of electrolytic cell,
First leakage fluid dram is located at the top of electrolytic cell, and the electrode includes vertical alternately arranged DSA electrode and carbon steel electrode, and
DSA electrode and carbon steel electrode are separately connected the first metallic conductor and the second metallic conductor；
The outer circular slot has the second inlet, the second leakage fluid dram, slag-drip opening, circulation fluid entrance and circulation fluid outlet, described
Second inlet, the second leakage fluid dram, circulation fluid entrance and circulation fluid outlet are located at the lower part of outer circular slot, and the slag-drip opening is located at
The top of outer circular slot,
First inlet of the electrolytic cell passes through the circulation fluid outlet of pipeline and water pump and the outer circular slot, the electricity
First leakage fluid dram of solution slot is connected to by pipeline with the circulation fluid entrance of the outer circular slot.
2. apparatus for electrochemical treatment as described in claim 1, which is characterized in that the interpolar of the DSA electrode and carbon steel electrode
Away from for 2cm.
3. apparatus for electrochemical treatment as described in claim 1, which is characterized in that first metallic conductor and the second metal are led
Body is copper.
4. apparatus for electrochemical treatment as described in claim 1, which is characterized in that the outer circular slot further includes being arranged in its bottom
The aerator in portion.
5. apparatus for electrochemical treatment as claimed in claim 4, which is characterized in that the aerator includes protruding into outer circular slot
The air bearing aeration tube of bottom, the air pump being connect with air bearing aeration tube, and the gas flowmeter for controlling air inflow.
6. apparatus for electrochemical treatment as described in claim 1, which is characterized in that it further include a threeway, the second of outer circular slot
Leakage fluid dram and circulation fluid entrance are co-located, and the first end of the threeway connects circulation fluid entrance, second end connection first
Leakage fluid dram, third end pass through the on-off at three ends of valve control as drain side.
7. the apparatus for electrochemical treatment as described in claim 1 to 6 any one, which is characterized in that further include that there is timing to fall
First output end of the power supply of pole function, the power supply is connect with the first metallic conductor, second output terminal and the second metallic conductor
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821351947.7U CN209098273U (en) | 2018-08-21 | 2018-08-21 | Apparatus for electrochemical treatment for landfill leachate MBR water outlet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821351947.7U CN209098273U (en) | 2018-08-21 | 2018-08-21 | Apparatus for electrochemical treatment for landfill leachate MBR water outlet |
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| CN209098273U true CN209098273U (en) | 2019-07-12 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110563222A (en) * | 2019-10-12 | 2019-12-13 | 昆明金泽实业有限公司 | Electric flocculation air flotation machine |
| CN110734193A (en) * | 2019-10-16 | 2020-01-31 | 昆明金泽实业有限公司 | Combined tobacco flavor wastewater treatment method |
-
2018
- 2018-08-21 CN CN201821351947.7U patent/CN209098273U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110563222A (en) * | 2019-10-12 | 2019-12-13 | 昆明金泽实业有限公司 | Electric flocculation air flotation machine |
| CN110734193A (en) * | 2019-10-16 | 2020-01-31 | 昆明金泽实业有限公司 | Combined tobacco flavor wastewater treatment method |
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