CN206244479U - A kind of tandem three-dimensional electrolysis treatment percolate concentrates the device of liquid - Google Patents
A kind of tandem three-dimensional electrolysis treatment percolate concentrates the device of liquid Download PDFInfo
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- CN206244479U CN206244479U CN201621353177.0U CN201621353177U CN206244479U CN 206244479 U CN206244479 U CN 206244479U CN 201621353177 U CN201621353177 U CN 201621353177U CN 206244479 U CN206244479 U CN 206244479U
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- 239000007788 liquid Substances 0.000 title claims abstract description 48
- 239000012141 concentrate Substances 0.000 title claims abstract description 47
- 238000005868 electrolysis reaction Methods 0.000 title claims abstract description 16
- 238000004062 sedimentation Methods 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 238000005273 aeration Methods 0.000 claims description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 13
- 239000003245 coal Substances 0.000 claims description 12
- 239000008187 granular material Substances 0.000 claims description 12
- 229910052799 carbon Inorganic materials 0.000 claims description 11
- 230000005611 electricity Effects 0.000 claims description 11
- 239000010935 stainless steel Substances 0.000 claims description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims description 9
- 239000004576 sand Substances 0.000 claims description 7
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 239000011247 coating layer Substances 0.000 claims description 3
- CJTCBBYSPFAVFL-UHFFFAOYSA-N iridium ruthenium Chemical compound [Ru].[Ir] CJTCBBYSPFAVFL-UHFFFAOYSA-N 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 239000003344 environmental pollutant Substances 0.000 abstract description 2
- 231100000719 pollutant Toxicity 0.000 abstract description 2
- 125000002015 acyclic group Chemical group 0.000 abstract 1
- 239000003792 electrolyte Substances 0.000 description 34
- 238000007254 oxidation reaction Methods 0.000 description 25
- 230000004044 response Effects 0.000 description 21
- 230000003647 oxidation Effects 0.000 description 17
- 239000005416 organic matter Substances 0.000 description 15
- 238000006243 chemical reaction Methods 0.000 description 14
- 238000005189 flocculation Methods 0.000 description 14
- 230000016615 flocculation Effects 0.000 description 14
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 12
- 229910001385 heavy metal Inorganic materials 0.000 description 11
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 10
- 238000006722 reduction reaction Methods 0.000 description 10
- 241000370738 Chlorion Species 0.000 description 8
- 239000006228 supernatant Substances 0.000 description 8
- 238000011026 diafiltration Methods 0.000 description 7
- 230000014759 maintenance of location Effects 0.000 description 7
- 238000001728 nano-filtration Methods 0.000 description 7
- 238000006479 redox reaction Methods 0.000 description 6
- 230000009467 reduction Effects 0.000 description 5
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- 239000000126 substance Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 229910021502 aluminium hydroxide Inorganic materials 0.000 description 2
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 229910001679 gibbsite Inorganic materials 0.000 description 2
- 150000008282 halocarbons Chemical class 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
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- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 description 1
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses the device that a kind of tandem three-dimensional electrolysis treatment percolate concentrates liquid, one-level electrolytic cell, second electrolyser, three-level electrolytic cell, sedimentation basin, booster pump and filter including series arrangement, multi-disc positive plate I and multi-disc minus plate I are arranged with one-level electrolytic cell, positive plate I and minus plate I are arranged alternately and are connected with the pulse power using bipolar type connected mode；Air distribution plate is provided with the bottom of second electrolyser, solarization air cell is provided with below air distribution plate；Multi-disc positive plate III and multi-disc minus plate III are arranged with three-level electrolytic cell, positive plate III and minus plate III are arranged alternately and are connected with dc source using acyclic type connected mode.The utility model can improve the clearance of pollutant, can be applied to the percolate concentration liquid treatment of high concentration.
Description
Technical field
The utility model is related to a kind of wastewater treatment equipment, and more particularly to a kind of tandem three-dimensional electrolysis treatment rubbish oozes
The device of filtrate concentrate.
Background technology
The organic and inorganic pollution containing various difficult degradations, such as humic acid in percolate concentration liquid, while also
Salinity and heavy metal containing higher concentration, biodegradability extreme difference, directly discharge can be to soil, surface water, underground water and ocean
Etc. polluting, the drinking water safety of resident is seriously threatened.If entering municipal sewage system, the salinity and a huge sum of money of high concentration
Category is unfavorable for the growth of activated sludge, can cause the reduction of biochemical treatment system sludge concentration, influences municipal sewage system
Normal operation.
At present, the treatment disposal options of percolate concentration liquid can be divided three classes：One is transport disposal, including outward transport and
Recharge etc.；Two is further decrement treatment, including nanofiltration, high pressure counter-infiltration, evaporation, Membrane Materials etc.；Three is harmless treatment, bag
Include the means such as the technologies such as coagulating sedimentation, electric flocculation, advanced oxidation and drying, burning, curing/stabilizing.Wherein, advanced oxidation work
The enough organic matters to percolate in film filtration concentrated of artistic skill carry out more efficient removal.Electrochemical oxidation process is used as senior oxygen
One kind of chemical industry skill, due to its efficiently it is convenient, early investment and later stage operation maintenance low cost the features such as, make its treatment rubbish
Receive more and more attention and apply during diafiltration concentrated liquor.
Percolate concentrate liquid complicated component, COD concentration in 1000-4000mg/L, using single reaction bar
Part is (such as：Pole plate material, magnitude of voltage, current value, pole plate spacing etc.) processing requirement of different waste water can not be met.
At present, the clearance using COD in single 3 D electrolysis unit treatment rubbish percolation liquid membrane filtering and concentrating liquid is most
In 40%-60%, part treatment effect is more than 80%, for the concentrate (COD concentration is less than 2000mg/L) of low concentration, passes through
After treatment can qualified discharge, but for the concentrate of high concentration be difficult treatment it is up to standard.
The content of the invention
The utility model provides a kind of tandem three-dimensional electrolysis treatment to solve technical problem present in known technology
Percolate concentrates the device of liquid, and the device can improve the clearance of pollutant, and the rubbish that can be applied to high concentration oozes
The treatment of filtrate concentrate.
The utility model is adopted the technical scheme that to solve technical problem present in known technology：A kind of tandem
Three-dimensional electrolysis treatment percolate concentrates the device of liquid, including the one-level electrolytic cell of series arrangement, second electrolyser, three-level electricity
Solution groove, sedimentation basin, booster pump and filter, are arranged with multi-disc positive plate I and multi-disc minus plate I in the one-level electrolytic cell,
The positive plate I and the minus plate I are arranged alternately, wherein being arranged in the positive plate I and pulse of described one-level electrolytic cell one end
The positive pole of power supply is connected, and the minus plate I for being arranged in the one-level electrolytic cell other end is connected with the negative pole of the pulse power, institute
Positive plate I is stated for titanium alloy electrode, the minus plate I is stainless steel electrode, the adjacent positive plate I and the minus plate I
Spacing be 2-4cm, ature of coal column-shaped active carbon granule electrode I is filled with the one-level electrolytic cell；In the second electrolyser
Bottom be provided with air distribution plate, be provided with solarization air cell below the air distribution plate, aeration opening, the exposure are provided with the solarization air cell
Gas port is connected with air pump；Multi-disc positive plate II and multi-disc minus plate II, the anode are arranged with the second electrolyser
Plate II and the minus plate II are arranged alternately, and positive pole of all positive plates II with dc source I is connected, all described the moon
Negative pole of the pole plate II with the dc source I is connected, and the positive plate II is titanium-based ruthenium iridium coating layer electrode, the minus plate II
It is stainless steel electrode, the adjacent positive plate II and the spacing of the minus plate II are 10-15cm, in the second electrolyser
Filled with ature of coal column-shaped active carbon granule electrode II；Multi-disc positive plate III and multi-disc negative electrode are arranged with the three-level electrolytic cell
Plate III, the positive plate III and the minus plate III are arranged alternately, all positive plates III with the positive pole of dc source II
It is connected, negative pole of all minus plates III with the dc source II is connected, the positive plate III is TA6 electrodes, described
Minus plate III is stainless steel electrode, and the adjacent positive plate III and the spacing of the minus plate III are 3-6cm, the three-level electricity
Ature of coal column-shaped active carbon granule electrode III is filled with solution groove.
The sedimentation basin is vertical sedimentation basin, using cone structure.
The filter is shallow-sand filter.
The shallow-sand filter uses vertical structure, is provided with two-way automatic flush valve, upper water distributor and lower water collector.
The utility model has the advantages and positive effects that：1) one-level electrolytic cell is constantly repeated using pulse electrolysis
The electrolytic process of " power supply-power-off-power supply ", greatly improves electrolytic efficiency, as much as possible by organic matter by high voltage pulse
Long-chain oxidation operation be decomposed into short chain organic matter, be oxidized to for the material of difficult oxidation Decomposition by heterocycle type organic open loop
The material of oxidizable decomposition, improves the biodegradability of waste water；2) second electrolyser is aerated by adding, and promotes H2O2And hydroxyl
The oxidizing species such as free radical are generated, and the organic matter in concentrate is removed by major part herein, further increases organic matter
Clearance；3) three-level electrolytic cell uses dissolubility pole plate, by the precipitation of Al ions under conditions of high voltage and current, is formed
Electric flocculation is reacted, dissolubility, colloid and suspended state organic matter in further removal waste water, makes organic matter removal more thorough；
4) shallow-sand filter is provided with two-way automatic flush valve, and full auto-programs control is capable of achieving timing automatic backwash, with backwash
Water consumption is small, and equipment is easy for installation, it is easy to the advantages of operating.In sum, the utility model pass sequentially through redox reaction,
Electrocatalytic oxidation and electric flocculation reaction etc. are removed to the organic matter of different structure in concentrate, expand the treatment of concentrate
Scope, reduces the bio-toxicity of concentrate, it is adaptable to the percolate concentration liquid of different quality, to organic removal rate
It is higher, the percolate concentration liquid treatment of high concentration can be applied to, treatment effect is reliable and stable, and process is simple, operation dimension
Shield low cost.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the top view of Fig. 1.
In figure：1st, PH meters, 2, dc source I, 3, sewage draining exit, 4, aeration opening, 5, the pulse power, 6, dc source II, 7,
Air pump, 8, one-level electrolytic cell, 9, second electrolyser, 10, three-level electrolytic cell, 11, sedimentation basin, 12, filter, 13, mud discharging mouth,
14th, liquid outlet, 15, air distribution plate, 16, positive plate I, 17, minus plate I, 18, ature of coal column-shaped active carbon granule electrode I, 19, anode
Plate II, 20, minus plate II, 21, positive plate III, 22, minus plate III, 23, booster pump, 24, ature of coal column-shaped active carbon granule electrode
II, 25, ature of coal column-shaped active carbon granule electrode III.
Specific embodiment
For the content of the invention of the present utility model, feature and effect can be further appreciated that, following examples are hereby enumerated, and coordinate
Accompanying drawing describes in detail as follows：
Fig. 1~Fig. 2 is referred to, a kind of tandem three-dimensional electrolysis treatment percolate concentrates the device of liquid, including series connection
The one-level electrolytic cell 8 of arrangement, second electrolyser 9, three-level electrolytic cell 10, sedimentation basin 11, booster pump 23 and filter 12.
Multi-disc positive plate I 16 and multi-disc minus plate I 17, the He of the positive plate I 16 are arranged with the one-level electrolytic cell 1
The minus plate I 17 is arranged alternately, wherein being arranged in the positive plate I 16 of described one end of one-level electrolytic cell 8 with the pulse power 5 just
Extremely it is connected, the minus plate I 17 for being arranged in the other end of one-level electrolytic cell 8 is connected with the negative pole of the pulse power 8, using multiple
Pole formula connected mode.The positive plate I 16 is titanium alloy electrode, and the minus plate I 17 is stainless steel electrode, the adjacent sun
The spacing of pole plate I 16 and the minus plate I 17 is that ature of coal column-shaped active carbon particle is filled with 2-4cm, the one-level electrolytic cell 8
Electrode I 18.
Air distribution plate 15 is provided with the bottom of the second electrolyser 9, solarization air cell is provided with the lower section of the air distribution plate 15,
The solarization air cell is provided with aeration opening 4, and the aeration opening 4 is connected with air pump 7.It is arranged with the second electrolyser 9 many
Piece positive plate II 19 and multi-disc minus plate II 20, the positive plate II 19 and the minus plate II 20 are arranged alternately, all described
Positive pole of the positive plate II 19 with dc source I 2 is connected, all minus plates II 20 with the negative pole of the dc source I 2
It is connected, the positive plate II 19 is titanium-based ruthenium iridium coating layer electrode, the minus plate II 20 is stainless steel electrode, the adjacent sun
The spacing of pole plate II 19 and the minus plate II 20 is that ature of coal column-shaped active carbon is filled with 10-15cm, the second electrolyser 9
Granule electrode II 24.
Multi-disc positive plate III 21 and multi-disc minus plate III 22, the positive plate III are arranged with the three-level electrolytic cell 10
21 and the minus plate III 22 be arranged alternately, positive pole of all positive plates III 21 with dc source II 6 is connected, Suo Yousuo
State negative pole of the minus plate III 22 with the dc source II 6 to be connected, the positive plate III 21 is TA6 electrodes, the minus plate
III 22 is stainless steel electrode, and the adjacent positive plate III 21 and the spacing of the minus plate III 22 are 3-6cm, the three-level electricity
Ature of coal column-shaped active carbon granule electrode III 25 is filled with solution groove 10.
It is same as the prior art, in the one-level electrolytic cell 8, the second electrolyser 9 and the three-level electrolytic cell 10
Bottom is respectively equipped with sewage draining exit 3.
In the present embodiment, the sedimentation basin 11 is vertical sedimentation basin, using cone structure.The filter 12 is shallow
Layer sand filter.The shallow-sand filter uses vertical structure, be provided with two-way automatic flush valve, upper water distributor and under catchment
Device.
Workflow of the present utility model：
One) pH value of regulation concentrate, to 4-5, is carried out by being provided with PH meters 1 on the top of one-level electrolytic cell 8 before treatment
Detection.Then making it into the one-level electrolytic cell 1 carries out redox reaction, and the time for controlling the redox reaction is
15-25min, it is 3-4mA/cm to control the current density in the one-level electrolytic cell 12.Adjust the medicine that the pH value of concentrate is used
Agent is sulfuric acid.
Two) water outlet of the one-level electrolytic cell 8 carries out electrocatalysis oxidation reaction into the second electrolyser 9, controls institute
The electrocatalytic oxidation time is stated for 60-90min, it is 8-15mA/cm to control the current density in the second electrolyser 92, control institute
The aeration rate for stating air pump 7 is 5-10L/min.
Three) water outlet of the second electrolyser 9 carries out electric flocculation reaction into the three-level electrolytic cell 10, controls the electricity
The time of flocculation reaction is 30-40min；It is 20-40mA/cm to control the current density in the three-level electrolytic cell 102。
Four) water outlet of the three-level electrolytic cell 10 carries out precipitate and separate into sedimentation basin 11；It is same as the prior art, heavy
The bottom in shallow lake pond 11 is provided with mud discharging mouth 13.
Five) supernatant of the sedimentation basin 11 is filtered by booster pump 23 into filter 12, and water outlet is from liquid outlet
14 discharges, retention removes chlorion and part heavy metal ion in water.
Course of reaction of the present utility model is as follows with reaction principle：
PH enters one-level electrolytic cell 8 for the concentrate of 4-5, after submergence positive plate I 16 and minus plate I 17, make pulse
Power supply 5, adjusts electric current and magnitude of voltage, carries out redox reaction, and by anode direct oxidation and indirect oxidation, cathodic reduction is anti-
Organic matter should be decomposed, after question response terminates, electrolyte is discharged from liquid outlet, into second electrolyser 9, sun be submerged in concentrate
After pole plate II 19 and minus plate II 20, air pump 7 is opened, connect dc source I 2, adjust electric current and magnitude of voltage, carry out electricity
Catalytic oxidation decomposes organic matter, and after question response terminates, electrolyte is discharged from liquid outlet, into three-level electrolytic cell 10,
Electrolyte is submerged after positive plate III 21 and minus plate III 22, connects dc source II 6, adjusts electric current and magnitude of voltage, carries out electricity
Flocculation reaction, after question response terminates, electrolyte is discharged into sedimentation basin 11 from liquid outlet, static a period of time in sedimentation basin 11
Afterwards, supernatant is entered in filter 12 by booster pump 23, retains away the chlorion and part heavy metal ion in water.
Electrocatalytic oxidation reduction reaction mainly includes the electrocatalytic reduction of anode electrocatalysis oxidation reaction and negative electrode, sun
Pole electrocatalytic oxidation includes direct oxidation and indirect oxidation.Direct oxidation is mainly to be shifted by anode current to be made to be attached to anode
The process of the organic matter removal on plate.Indirect oxidation be mainly by electrode surface produce some reactive intermediates such as
OH、HClO、H2O2Organic matter is aoxidized Deng intermediate product, decomposes it, reaction equation is as follows：
H2O→·OH+H++e
R+OH → accessory substance+CO2+H2O (R represents organic matter)
2Cl-+2e-→Cl2
Cl2+H2O→HClO+H++Cl-
R+HClO→R·+CO2+H2O+HCl+R ' Cl (R represents organic matter).
O2+e→O2 -
O2 -+H+→HO2·
2HO2·→H2O2+O2
R+H2O2→ accessory substance+CO2+H2O
The electrocatalytic reduction of negative electrode, cathode electrocatalyst reduction process is mainly used in heavy metal recovery and halogenated hydrocarbons reduction
Dehalogenation, the halogen in halogenated hydrocarbons can be replaced on negative electrode and reduce by H atom, and reaction equation is as follows：
2H2O+2e+M→2(H)adsM+2OH-
R-X+M→(R-X)adsM
(R-X)adsM+2(H)adsM→HX
(R-H)ads→R-H+M
Mn++ ne → M (heavy metal ion electro-deposition on negative electrode)
Electric flocculation reaction is mainly placed in by metal electrode and direct current is passed in processed water, and metal anode occurs electricity
The Al of chemical dissolution3+And Fe2+Plasma hydrolyzes in water and coagulation or flocculation occurs, and reaction equation is as follows：
Al→Al3++3e-
Al3++3OH-→Al(OH)3(under alkalescence condition)
Al3++3H2O→Al(OH)3+3H+(under acid condition)
Application example of the present utility model：
Embodiment 1：
Concentrate takes from Tianjin refuse landfill, the concentrate be by " pretreatment-two-stage denitrification/nitrification-
Diafiltration concentrated liquor after MBR films biological treatment system-nanofiltration " PROCESS FOR TREATMENT, its key property is：COD concentration 3000mg/L,
Ammonia nitrogen concentration 40mg/L, PH=9.
The pH value of concentrate is adjusted to 4 first, electrolytic cell 8 is then made it into, it is adjacent in the one-level electrolytic cell 8
The positive plate I 16 and the spacing of the minus plate I 17 be 2cm, concentrate submerge positive plate I 16 and minus plate I 17 it
Afterwards, make pulse power supply 5, adjusts electric current and magnitude of voltage, makes current density 3mA/cm in electrolytic cell2, carry out redox reaction
15min, after question response terminates, electrolyte is discharged from liquid outlet, into second electrolyser 9, in the second electrolyser 9, phase
The adjacent positive plate II 19 and the spacing of the minus plate II 20 are 10cm, and positive plate II 19 and minus plate are submerged in electrolyte
After II 20, air pump 7 is opened, control its aeration rate for 5L/min, connect dc source I 2, adjust electric current and magnitude of voltage, made
Current density in second electrolyser 9 is 8mA/cm2, electrocatalysis oxidation reaction 60min is carried out, by direct oxidation and indirect oxygen
Organic matter is decomposed in change.Electrolyte passes through granule electrode bed from bottom to top, and after question response terminates, electrolyte is arranged from liquid outlet
Go out, into three-level electrolytic cell 10, in the three-level electrolytic cell 10 between the adjacent positive plate III 21 and the minus plate III 22
Away from being 3cm, after electrolyte submerges positive plate III 21 and minus plate III 22, dc source II 6 is connected, adjust electric current and voltage
Value, it is 20mA/cm to control the current density in the three-level electrolytic cell 102, make to carry out electric flocculation reaction in three-level electrolytic cell 10
30min, after question response terminates, electrolyte is discharged into sedimentation basin 11 from liquid outlet, it is static in the sedimentation basin 11 after, supernatant leads to
Cross booster pump 23 to enter in filter 12, retention removes the chlorion and part heavy metal in water, and discharge liquor is taken from liquid outlet 14
Sample is tested, and COD concentration is 125mg/L, and ammonia nitrogen concentration is 20mg/L.
Embodiment 2：
Concentrate takes from Tianjin refuse landfill, the concentrate be by " pretreatment-two-stage denitrification/nitrification-
Diafiltration concentrated liquor after MBR films biological treatment system-nanofiltration " PROCESS FOR TREATMENT, its key property is：COD concentration 3400mg/L,
Ammonia nitrogen concentration 60mg/L, PH=9.
The pH value of concentrate is adjusted to 4 first, electrolytic cell 8 is then made it into, it is adjacent in the one-level electrolytic cell 8
The positive plate I 16 and the spacing of the minus plate I 17 be 4cm, concentrate submerge positive plate I 16 and minus plate I 17 it
Afterwards, make pulse power supply 5, adjusts electric current and magnitude of voltage, and it is 4mA/cm to control the current density in one-level electrolytic cell 82, carry out oxygen
Change reduction reaction 25min, after question response terminates, electrolyte is discharged from liquid outlet, into second electrolyser 9, in second electrolyser
The spacing of the adjacent positive plate II 19 and the minus plate II 20 is 15cm in 9, and the He of positive plate II 19 is submerged in electrolyte
After minus plate II 20, air pump 7 is opened, control its aeration rate for 6L/min, connect dc source I 2, adjust electric current and voltage
Value, the current density 10mA/cm in control second electrolyser 92, carry out electrocatalysis oxidation reaction 80min, by direct oxidation and
Indirect oxidation decomposes organic matter, and after question response terminates, electrolyte is discharged from liquid outlet, into three-level electrolytic cell 10, described
The spacing of the adjacent positive plate III 21 and the minus plate III 22 is 3cm in three-level electrolytic cell 10, and sun is submerged in electrolyte
After pole plate III 21 and minus plate III 22, dc source II 6 is connected, adjust electric current and magnitude of voltage, made in three-level electrolytic cell 10
Current density is 20mA/cm2, making to be carried out in electrolytic cell electric flocculation reaction 40min, after question response terminates, electrolyte is from liquid outlet
Sedimentation basin 11 is discharged into, after quiescent setting in sedimentation basin 11, supernatant is entered in filter 12 by booster pump 23, retention
The chlorion and part heavy metal in water are removed, discharge liquor sample are taken from liquid outlet 14 and is tested, COD concentration is 130mg/L,
Ammonia nitrogen concentration is 24mg/L.
Embodiment 3
Concentrate takes from Tianjin refuse landfill, the concentrate be by " pretreatment-two-stage denitrification/nitrification-
Diafiltration concentrated liquor after MBR films biological treatment system-nanofiltration " PROCESS FOR TREATMENT, its key property is：COD concentration 3700mg/L,
Ammonia nitrogen concentration 56mg/L, PH=9.
The pH value of concentrate is adjusted to 5 first, electrolytic cell 8 is then made it into, it is adjacent in the one-level electrolytic cell 8
The positive plate I 16 and the spacing of the minus plate I 17 be 2cm, concentrate submerge positive plate I 16 and minus plate I 17 it
Afterwards, make pulse power supply 5, adjusts electric current and magnitude of voltage, the current density 3mA/cm in control one-level electrolytic cell 82, aoxidized
Reduction reaction 15min, after question response terminates, electrolyte is discharged from liquid outlet, into second electrolyser 9, in described two grades electrolysis
The spacing of the adjacent positive plate II 19 and the minus plate II 20 is 10cm in groove 9, and positive plate II 19 is submerged in electrolyte
After minus plate II 20, air pump 7 is opened, control its aeration rate for 6L/min, connect dc source I 2, adjust electric current and electricity
Pressure value, it is 10mA/cm to control the current density in second electrolyser 92, electrocatalysis oxidation reaction 60min is carried out, question response terminates
Afterwards, electrolyte is discharged from liquid outlet, into three-level electrolytic cell 10, the adjacent positive plate III in the three-level electrolytic cell 10
21 and the spacing of the minus plate III 22 be 3cm, after electrolyte submerges positive plate III 21 and minus plate III 22, connect direct current
Power supply II 6, adjusts electric current and magnitude of voltage, and it is 20mA/cm to control the current density in three-level electrolytic cell 102, make three-level electrolytic cell
Electric flocculation reaction 30min is carried out in 10, after question response terminates, electrolyte is discharged into sedimentation basin 11 from liquid outlet, in sedimentation basin
In 11 it is static after, supernatant by booster pump 23 enter filter 12 in, retention remove water in chlorion and part heavy metal,
Discharge liquor sample is taken from the liquid outlet 14 to be tested, COD concentration is 138mg/L, and ammonia nitrogen concentration is 18mg/L.
Embodiment 4
Concentrate takes from Tianjin refuse landfill, the concentrate be by " pretreatment-two-stage denitrification/nitrification-
Diafiltration concentrated liquor after MBR films biological treatment system-nanofiltration " PROCESS FOR TREATMENT, its key property is：COD concentration 3100mg/L,
Ammonia nitrogen concentration 62mg/L, PH=9.
The pH value of concentrate is adjusted to 5 first, electrolytic cell 8 is then made it into, it is adjacent in the one-level electrolytic cell 8
The positive plate I 16 and the spacing of the minus plate I 17 be 2cm, concentrate submerge positive plate I 16 and minus plate I 17 it
Afterwards, make pulse power supply 5, adjusts electric current and magnitude of voltage, the current density 3mA/cm in control one-level electrolytic cell 82, aoxidized
Reduction reaction 15min, after question response terminates, electrolyte is discharged from liquid outlet, into second electrolyser 9, in second electrolyser 9
The adjacent positive plate II 19 and the spacing of the minus plate II 20 are 10cm, and positive plate II 19 and negative electrode are submerged in electrolyte
After plate II 20, air pump 7 is opened, controls its aeration rate for 7L/min, connect dc source I 2, adjust electric current and magnitude of voltage,
It is 15mA/cm to control the current density in second electrolyser 92, electrocatalysis oxidation reaction 90min is carried out, after question response terminates, electricity
Solution liquid is discharged from liquid outlet, into three-level electrolytic cell 10, the adjacent He of the positive plate III 21 in the three-level electrolytic cell 10
The spacing of the minus plate III 22 is 3cm, after electrolyte submerges positive plate III 21 and minus plate III 22, connects dc source
II 6, electric current and magnitude of voltage are adjusted, the current density in control three-level electrolytic cell 10 is in 40mA/cm2, make to be carried out in electrolytic cell 10
Electric flocculation reacts 40min, and after question response terminates, electrolyte is discharged into sedimentation basin 11 from liquid outlet, static in sedimentation basin 11
Afterwards, supernatant is entered in filter 12 by booster pump 23, and retention removes the chlorion and part heavy metal in water, from liquid outlet
14 take discharge liquor sample is tested, and COD concentration is 128mg/L, and ammonia nitrogen concentration is 15mg/L.
Embodiment 5
Concentrate takes from Tianjin refuse landfill, the concentrate be by " pretreatment-two-stage denitrification/nitrification-
Diafiltration concentrated liquor after MBR films biological treatment system-nanofiltration " PROCESS FOR TREATMENT, its key property is：COD concentration 3500mg/L,
Ammonia nitrogen concentration 70mg/L, PH=9.
The pH value of concentrate is adjusted to 5 first, electrolytic cell 8 is then made it into, it is adjacent in the one-level electrolytic cell 8
The positive plate I 16 and the spacing of the minus plate I 17 be 4cm, concentrate submerge positive plate I 16 and minus plate I 17 it
Afterwards, make pulse power supply 5, adjusts electric current and magnitude of voltage, makes the current density in one-level electrolytic cell 8 be 4mA/cm2, aoxidized
Reduction reaction 20min, after question response terminates, electrolyte is discharged from liquid outlet, into second electrolyser 9, in described two grades electrolysis
The spacing of the adjacent positive plate II 19 and the minus plate II 20 is 10cm in groove 9, and positive plate II 19 is submerged in electrolyte
After minus plate II 20, air pump 7 is opened, control its aeration rate for 8L/min, connect dc source I 6, adjust electric current and electricity
Pressure value, it is 8mA/cm to control the current density in second electrolyser 92, electrocatalysis oxidation reaction 60min is carried out, question response terminates
Afterwards, electrolyte is discharged from liquid outlet, into three-level electrolytic cell 10, the adjacent He of the positive plate III 21 in three-level electrolytic cell 10
The spacing of the minus plate III 22 is 6cm, after electrolyte submerges positive plate III 21 and minus plate III 22, connects dc source
II 6, electric current and magnitude of voltage are adjusted, make the current density in three-level electrolytic cell 10 be 20mA/cm2, make to enter in three-level electrolytic cell 10
Row electric flocculation reacts 30min, and after question response terminates, electrolyte is discharged into sedimentation basin 11 from liquid outlet, quiet in sedimentation basin 11
After only, supernatant is entered in filter 12 by booster pump 23, and retention removes the chlorion and part heavy metal in water, from going out liquid
Mouth 14 takes discharge liquor sample and is tested, and the concentration of COD is 140mg/L, and ammonia nitrogen concentration is 20mg/L.
Embodiment 6
Concentrate takes from Tianjin refuse landfill, and the concentrate is by passing through " pretreatment-two-stage denitrification/nitre
Change-MBR films biological treatment systems-nanofiltration " diafiltration concentrated liquor after PROCESS FOR TREATMENT, its key property is：COD concentration
4000mg/L, ammonia nitrogen concentration 80mg/L, PH=9.
The pH value of concentrate is adjusted to 4 first, electrolytic cell 8 is then made it into, it is adjacent in the one-level electrolytic cell 8
The positive plate I 16 and the spacing of the minus plate I 17 be 2cm, concentrate submerge positive plate I 16 and minus plate I 17 it
Afterwards, make pulse power supply 5, adjusts electric current and magnitude of voltage, makes the current density in one-level electrolytic cell 8 be 3mA/cm2, aoxidized
Reduction reaction 15min, after question response terminates, electrolyte is discharged from liquid outlet, into second electrolyser 9, in described two grades electrolysis
In groove 9, the adjacent positive plate II 19 and the spacing of the minus plate II 20 are 10cm, and positive plate II 19 is submerged in electrolyte
After minus plate II 20, open air pump 7, control its aeration rate for 10L/min, connect dc source I 2, regulation electric current and
Magnitude of voltage, makes the current density in second electrolyser 9 be 15mA/cm2, electrocatalysis oxidation reaction 60min is carried out, question response terminates
Afterwards, electrolyte is discharged from liquid outlet, into three-level electrolytic cell 10, the adjacent positive plate III 21 and institute in the electrolytic cell
The spacing of minus plate III 22 is stated for 3cm, after electrolyte submerges positive plate III 21 and minus plate III 22, dc source II is connected
6, electric current and magnitude of voltage are adjusted, it is 40mA/cm to control the current density in three-level electrolytic cell 102, make to be carried out in three-level electrolytic cell
Electric flocculation reacts 30min, and after question response terminates, electrolyte is discharged into sedimentation basin 11 from liquid outlet, static in sedimentation basin 11
Afterwards, by the inflow filter 12 of booster pump 23, retention removes the chlorion and part heavy metal in water to supernatant, from liquid outlet 14
Take discharge liquor sample to be tested, the concentration of COD is 161mg/L, and ammonia nitrogen concentration is 20mg/L.
Although being described to preferred embodiment of the present utility model above in conjunction with accompanying drawing, the utility model is not
Above-mentioned specific embodiment is confined to, above-mentioned specific embodiment is only schematical, is not restricted, ability
The those of ordinary skill in domain is not departing from the utility model objective and claimed under enlightenment of the present utility model
Under ambit, many forms can also be made, these are belonged within protection domain of the present utility model.
Claims (4)
1. a kind of tandem three-dimensional electrolysis treatment percolate concentrates the device of liquid, it is characterised in that including series arrangement
One-level electrolytic cell, second electrolyser, three-level electrolytic cell, sedimentation basin, booster pump and filter,
Multi-disc positive plate I and multi-disc minus plate I, the positive plate I and the minus plate I are arranged with the one-level electrolytic cell
It is arranged alternately, wherein the positive plate I for being arranged in described one-level electrolytic cell one end is connected with the positive pole of the pulse power, is arranged in described
The minus plate I of the one-level electrolytic cell other end is connected with the negative pole of the pulse power, and the positive plate I is titanium alloy electrode, institute
Minus plate I is stated for stainless steel electrode, the adjacent positive plate I and the spacing of the minus plate I are 2-4cm, the one-level electricity
Ature of coal column-shaped active carbon granule electrode I is filled with solution groove；
Air distribution plate is provided with the bottom of the second electrolyser, solarization air cell is provided with below the air distribution plate, in the aeration
Room is provided with aeration opening, and the aeration opening is connected with air pump；
Multi-disc positive plate II and multi-disc minus plate II, the positive plate II and the negative electrode are arranged with the second electrolyser
Plate II is arranged alternately, and positive pole of all positive plates II with dc source I is connected, all minus plates II with it is described
The negative pole of dc source I is connected, and the positive plate II is titanium-based ruthenium iridium coating layer electrode, and the minus plate II is stainless steel electrode,
The adjacent positive plate II and the spacing of the minus plate II are that ature of coal post is filled with 10-15cm, the second electrolyser
Shaped activated carbon granule electrode II；
Multi-disc positive plate III and multi-disc minus plate III, the positive plate III and the negative electrode are arranged with the three-level electrolytic cell
Plate III is arranged alternately, and positive pole of all positive plates III with dc source II is connected, and all minus plates III are and institute
The negative pole for stating dc source II is connected, and the positive plate III is TA6 electrodes, and the minus plate III is stainless steel electrode, adjacent
The spacing of the positive plate III and the minus plate III is that ature of coal column-shaped active carbon is filled with 3-6cm, the three-level electrolytic cell
Granule electrode III.
2. tandem three-dimensional electrolysis treatment percolate according to claim 1 concentrates the device of liquid, it is characterised in that
The sedimentation basin is vertical sedimentation basin, using cone structure.
3. tandem three-dimensional electrolysis treatment percolate according to claim 1 concentrates the device of liquid, it is characterised in that
The filter is shallow-sand filter.
4. tandem three-dimensional electrolysis treatment percolate according to claim 3 concentrates the device of liquid, it is characterised in that
The shallow-sand filter uses vertical structure, is provided with two-way automatic flush valve, upper water distributor and lower water collector.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107032455A (en) * | 2017-06-20 | 2017-08-11 | 水极限（南京）环保科技有限公司 | Continous way electro-chemical water processing system and its method for treating water |
| CN110255785A (en) * | 2019-07-13 | 2019-09-20 | 杭州胜于蓝环保科技有限公司 | Electric catalyticing system and the doctorization wastewater effluent processing method for applying to the system |
| CN112250250A (en) * | 2020-09-22 | 2021-01-22 | 合肥白云环卫设备有限公司 | Landfill leachate membrane based deep purification treatment process |
-
2016
- 2016-12-09 CN CN201621353177.0U patent/CN206244479U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107032455A (en) * | 2017-06-20 | 2017-08-11 | 水极限（南京）环保科技有限公司 | Continous way electro-chemical water processing system and its method for treating water |
| CN110255785A (en) * | 2019-07-13 | 2019-09-20 | 杭州胜于蓝环保科技有限公司 | Electric catalyticing system and the doctorization wastewater effluent processing method for applying to the system |
| CN110255785B (en) * | 2019-07-13 | 2023-08-04 | 杭州胜于蓝环保科技有限公司 | Electrocatalytic system and medical wastewater effluent treatment method applied to same |
| CN112250250A (en) * | 2020-09-22 | 2021-01-22 | 合肥白云环卫设备有限公司 | Landfill leachate membrane based deep purification treatment process |
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