CN109574158A - A kind of iron-carbon micro-electrolysis reaction system and method removing water systems'phosphorus - Google Patents
A kind of iron-carbon micro-electrolysis reaction system and method removing water systems'phosphorus Download PDFInfo
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- CN109574158A CN109574158A CN201910044492.7A CN201910044492A CN109574158A CN 109574158 A CN109574158 A CN 109574158A CN 201910044492 A CN201910044492 A CN 201910044492A CN 109574158 A CN109574158 A CN 109574158A
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- iron
- carbon micro
- electrolysis reaction
- diversion trench
- mud discharging
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- QMQXDJATSGGYDR-UHFFFAOYSA-N methylidyneiron Chemical compound [C].[Fe] QMQXDJATSGGYDR-UHFFFAOYSA-N 0.000 title claims abstract description 114
- 238000005868 electrolysis reaction Methods 0.000 title claims abstract description 113
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 110
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 title claims abstract description 53
- 229910052698 phosphorus Inorganic materials 0.000 title claims abstract description 53
- 239000011574 phosphorus Substances 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000007599 discharging Methods 0.000 claims abstract description 62
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000004062 sedimentation Methods 0.000 claims abstract description 32
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000005189 flocculation Methods 0.000 claims abstract description 13
- 230000016615 flocculation Effects 0.000 claims abstract description 13
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 claims abstract description 11
- 230000009471 action Effects 0.000 claims abstract description 4
- 238000005273 aeration Methods 0.000 claims description 20
- 238000005276 aerator Methods 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 12
- 229910052742 iron Inorganic materials 0.000 claims description 11
- 238000012545 processing Methods 0.000 claims description 8
- 239000000835 fiber Substances 0.000 claims description 7
- 238000011010 flushing procedure Methods 0.000 claims description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 230000003993 interaction Effects 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- 210000000476 body water Anatomy 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 230000015271 coagulation Effects 0.000 claims description 4
- 238000005345 coagulation Methods 0.000 claims description 4
- 230000001788 irregular Effects 0.000 claims description 3
- 238000010992 reflux Methods 0.000 claims description 3
- 239000002910 solid waste Substances 0.000 claims description 3
- 230000006641 stabilisation Effects 0.000 claims description 3
- 238000011105 stabilization Methods 0.000 claims description 3
- 239000006228 supernatant Substances 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 2
- 230000001133 acceleration Effects 0.000 claims 2
- 229920000742 Cotton Polymers 0.000 claims 1
- 238000006424 Flood reaction Methods 0.000 claims 1
- 229920002472 Starch Polymers 0.000 claims 1
- 238000004080 punching Methods 0.000 claims 1
- 235000019698 starch Nutrition 0.000 claims 1
- 239000008107 starch Substances 0.000 claims 1
- 238000012851 eutrophication Methods 0.000 abstract description 9
- 239000000945 filler Substances 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 abstract description 8
- 238000006243 chemical reaction Methods 0.000 abstract description 7
- 230000008929 regeneration Effects 0.000 abstract description 6
- 238000011069 regeneration method Methods 0.000 abstract description 6
- 230000004913 activation Effects 0.000 abstract description 5
- 239000002245 particle Substances 0.000 abstract description 2
- 239000013049 sediment Substances 0.000 abstract description 2
- 230000001376 precipitating effect Effects 0.000 abstract 3
- 239000005955 Ferric phosphate Substances 0.000 abstract 1
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 229940032958 ferric phosphate Drugs 0.000 abstract 1
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 abstract 1
- 229910000399 iron(III) phosphate Inorganic materials 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 238000000975 co-precipitation Methods 0.000 description 3
- IYRDVAUFQZOLSB-UHFFFAOYSA-N copper iron Chemical compound [Fe].[Cu] IYRDVAUFQZOLSB-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000002161 passivation Methods 0.000 description 3
- 229920003043 Cellulose fiber Polymers 0.000 description 2
- 150000001450 anions Chemical class 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000013022 venting Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910000000 metal hydroxide Inorganic materials 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000036647 reaction Effects 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/463—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrocoagulation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/46—Apparatus for electrochemical processes
- C02F2201/461—Electrolysis apparatus
- C02F2201/46105—Details relating to the electrolytic devices
- C02F2201/4619—Supplying gas to the electrolyte
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Removal Of Specific Substances (AREA)
Abstract
The invention discloses a kind of iron-carbon micro-electrolysis reaction system and method for removing water systems'phosphorus, connecting tube and the microvovtex flocculation ball in connecting tube which includes carbon micro-electrolysis reaction unit, inclined plate sedimentation device, connection iron-carbon micro-electrolysis reaction unit and inclined plate sedimentation device.The iron-carbon micro-electrolysis reaction unit includes iron-carbon micro-electrolysis reaction module, flusher and mud discharging device, enters from the inlet iron-carbon micro-electrolysis reaction unit containing phosphorus water, the Fe generated with iron-carbon micro-electrolysis reaction module2+/Fe3+Reaction generates ferric phosphate precipitating or by Fe (OH)2/Fe(OH)3Flocculate absorption, then flocculate and precipitating particle accelerate precipitating under the action of microvovtex flocculation ball and inclined plate sedimentation device, and phosphorous sediment is discharged through mud discharging device.The present invention can reach the purpose of removal water systems'phosphorus, reduce the risk of water eutrophication, solves the problems such as iron carbon filler existing for existing iron-carbon micro-electrolysis technology and equipment blocks, is hardened, being passivated, and the activation of iron-carbon micro-electrolysis reaction module and regeneration are simple, and system investment cost and operating cost are low.
Description
Technical field
The present invention relates to field of environmental improvement, and in particular to it is a kind of remove water systems'phosphorus iron-carbon micro-electrolysis reaction system and side
Method.
Background technique
Water eutrophication is one of the great environmental problem that current China faces, and is new period Ecology civilization construction face
One of ultimate challenge faced, eutrophication control are very necessary and urgent.Existing research confirms that phosphorus is Inland Water eutrophication
Limitation sex factor, the reduction of water systems'phosphorus and removal are particularly important to containment water eutrophication process.Optimize and innovates related
Water body dephosphorized technology can administer for water eutrophication and provide science and technology support.
Iron-carbon micro-electrolysis is a kind of novel water body dephosphorized technology, and principle is to form primary battery using iron and carbon, in original
Iron generates Fe in cell reaction2+And Fe3+With water systems'phosphorus co-precipitation and Fe2+And Fe3+Form Fe (OH) under certain condition2With
Fe(OH)3Flocculate and water systems'phosphorus coagulation, to achieve the purpose that remove water systems'phosphorus.The technology is applied widely, treatment effect
Good, simple process, with good application prospect.In recent years, constantly increase in relation to the water body dephosphorized technical patent of iron-carbon micro-electrolysis
It is more, multiple technologies approach is provided for water eutrophication control, but there are still one for existing some carbon micro-electrolysis dephosphorization techniques
Fixed limitation.
Chinese utility model patent " a kind of iron-carbon micro-electrolysis reaction unit " (application number 201520576322.0) provides one
Iron-carbon micro-electrolysis reaction unit kind by iron powder and grain active carbon as reaction medium, the medium after reacting a period of time by
So that iron powder surface is formed metal oxide and hydroxide film in the corrosion of iron, causes metal to be passivated, and powder (grain) shape filler is easy
The problems such as appearance blocks and is hardened, seriously affects phosphor-removing effect.
Chinese invention patent " a kind of iron-carbon micro-electrolysis device and its application method " (application number 201510128960.0) is public
A kind of method for opening impeller stirring reinforcing iron-carbon micro-electrolysis reaction, impeller stirring can make powder (grain) shape iron carbon filler be constantly in stream
Dynamic state, avoid to a certain extent powder (grain) shape filler in operation existing bed blocking, it is hardened the problems such as；But due to increasing
If mixing plant, and equipment needs long-play, to increase the investment cost and operating cost of device；In addition, powder
The activation and regeneration of (grain) shape iron carbon filler are more difficult.
Chinese invention patent " preparation method of a kind of iron copper micro-electrolysis reaction slot and copper coated iron wire web plate " (application number
201210056772.8) provide it is a kind of using copper coated iron wire web plate as the iron copper micro-electrolysis reaction slot of micro-electrolysis material, described in patent
Iron copper micro-electrolysis reaction slot and copper coated iron wire mesh-plate structure are simple, can also slow down conventional iron carbon without adding the equipment such as impeller stirring
The problems such as blocking of light electrolysis appearance, hardened and passivation, therefore cost of investment and operation are relatively low, but can in operational process
Copper can be introduced, cause secondary pollution.
To sum up, there are the blocking of iron carbon filler, hardened, passivation or other elements for existing iron-carbon micro-electrolysis technology and equipment
The problems such as introducing perhaps filler activator and regeneration difficulty or big investment cost and operating cost.
Summary of the invention
In view of the above-mentioned problems, the invention proposes a kind of iron-carbon micro-electrolysis reaction system and method for removing water systems'phosphorus, it should
System and method are to form primary battery using wire netting and carbon fibre, and in galvanic interaction, wire netting is generated as anode
Fe2+And Fe3+With water systems'phosphorus co-precipitation and Fe2+And Fe3+Form Fe (OH) under certain condition2With Fe (OH)3Flocculate with
Water systems'phosphorus coagulation, to achieve the purpose that remove water systems'phosphorus；Iron-carbon micro-electrolysis reaction module described in system is by wire netting and carbon
Cellulose fiber composition, the problems such as filler blocks and is hardened is not present during galvanic interaction, and only introduce in treatment process
Ferro element does not introduce other metallic elements or anion, not will cause secondary pollution；The iron-carbon micro-electrolysis reaction module is set
Convenient to remove inside iron-carbon micro-electrolysis reaction unit, activation and regeneration are simple.
The technical solution adopted by the present invention is that:
A kind of iron-carbon micro-electrolysis reaction system removing water systems'phosphorus, including iron-carbon micro-electrolysis reaction unit, sloping plate deposition dress
It sets, be connected to the connecting tube of iron-carbon micro-electrolysis reaction unit and inclined plate sedimentation device and the microvovtex flocculation ball in connecting tube,
The iron-carbon micro-electrolysis reaction unit includes the first groove body and rushes set on the intracorporal iron-carbon micro-electrolysis reaction module of the first slot, first
Cleaning device, the first mud discharging device set on the first groove body groove body bottom, the iron-carbon micro-electrolysis reaction module is by wire netting and carbon
Cellulose fiber is process, and the first diversion trench is formed at the first groove body lower part, and first mud discharging device is connected to the first diversion trench, institute
The first flusher is stated for flowing into first along the first diversion trench slot bottom after washing away the flocculate of the first diversion trench bottom surface
Mud discharging device；The inclined plate sedimentation device includes the second groove body and is set to the intracorporal inclined plate of the second slot, and the inclined plate is installed on the
Above two groove body water inlets, and it is covered with the second groove body, the second diversion trench is formed at the second groove body lower part, and the inclined plate is for accelerating wadding
Condensate is settled down to the second diversion trench.
Further, the iron-carbon micro-electrolysis reaction unit further includes aerator, and the aerator is installed on iron carbon
The bottom of micro-electrolysis reaction module, for improving oxygen-enriched environment for galvanic interaction, that washes away the generation of iron wire net surface stablizes wadding
Condensate, and it is sufficiently mixed flocculate with containing phosphorus water.
Further, the aerator includes air pump and aeration tube, and aeration tube is installed on diversion trench and iron-carbon micro-electrolysis
Between reaction module.
Further, the inclined plate sedimentation device further includes the second flusher and the second row set on the second groove body bottom
Mud device, second mud discharging device are connected to the second diversion trench, and second flusher is used for the second diversion trench slot bottom
The flocculate on surface wash away after along the second diversion trench slot bottom flow into the second mud discharging device.
Further, first flusher includes the first suction pump and the first flushing pipe, and the first suction pump is mounted on
Below first diversion trench slot bottom, the first flushing pipe is mounted on above the first diversion trench slot bottom.
Further, first diversion trench is in irregular infundibulate, and the first diversion trench slot bottom has certain gradient, is intake
Mouth side is higher than water outlet side, is conducive to flocculate precipitate with the first diversion trench and enters the first mud discharging device.
Further, first mud discharging device is installed below the first diversion trench slot bottom of water outlet side, passes through control
The phosphorous muddy water for being deposited in the first water conservancy diversion trench bottom can be discharged in the valve of first mud discharging device at any time.
A kind of iron-carbon micro-electrolysis reaction method removing water systems'phosphorus, it is characterised in that carried out using above system, the side
Method includes the following steps:
1. designing and processing the iron-carbon micro-electrolysis reaction dress of certain specification size according to property containing phosphorus water, day output
It sets, inclined plate sedimentation device, is connected between iron-carbon micro-electrolysis reaction unit, inclined plate sedimentation device using connecting tube, is set in connecting tube
Microvovtex flocculation ball is set, the iron-carbon micro-electrolysis reaction unit is anti-including the first groove body and set on the intracorporal iron-carbon micro-electrolysis of the first slot
Answer module, the first flusher, the first mud discharging device set on the first groove body groove body bottom, the iron-carbon micro-electrolysis reaction module
It is process by wire netting and carbon fibre, the first diversion trench, first mud discharging device and first are formed at the first groove body lower part
Diversion trench connection, first flusher for after the flocculate of the first diversion trench bottom surface is washed away along the first diversion trench
Slot bottom flows into the first mud discharging device；The inclined plate sedimentation device includes the second groove body and is set to the intracorporal inclined plate of the second slot, described
Inclined plate is installed on above the second groove body water inlet, and is covered with the second groove body, and the second diversion trench is formed at the second groove body lower part, described oblique
Plate is for accelerating flocculate to be settled down to the second diversion trench；
2. opening the upper valve of the first mud discharging device, the lower valve of the first mud discharging device is closed, closes the first flusher,
Opening water pump makes to enter from the inlet the first groove body containing phosphorus water；
3. through iron-carbon micro-electrolysis reaction unit treated containing phosphorus water microvovtex flocculation ball and inclined plate sedimentation device work
With lower accelerated sedimentation, the supernatant in inclined plate sedimentation device is discharged after reaching correlation water standard through water outlet, otherwise through flowing back
Mouth is back to iron-carbon micro-electrolysis reaction unit and handles again；
4. after handling a period of time, closing the upper valve in the first mud discharging device, the lower valve in the first mud discharging device is opened
Door venting muddy water, muddy water are further processed as solid waste；
After the completion of processing, open the first mud discharging device valve and flusher, can make the muddy water of bottom of device along
Diversion trench flows into mud discharging device, achievees the purpose that cleaning device is further,
Further, the iron-carbon micro-electrolysis reaction unit further includes aerator, and the aerator is installed on iron carbon
The bottom of micro-electrolysis reaction module, the aerator include air pump and aeration tube, and aeration tube is installed on diversion trench and iron carbon is micro-
Between cell reaction module, to flood the iron-carbon micro-electrolysis reaction module in iron-carbon micro-electrolysis reaction unit containing phosphorus water, open
Air pump, by controlling the aeration time and aeration quantity of air pump, to ensure that the coagulation stirring of dissolved oxygen content and water body of water body is strong
Degree.
Further, the inclined plate sedimentation device further includes the second flusher and the second row set on the second groove body bottom
Mud device, second mud discharging device are connected to the second diversion trench, and second flusher is used for the second diversion trench slot bottom
The flocculate on surface wash away after along the second diversion trench slot bottom flow into the second mud discharging device；The upper valve and lower valve of second mud discharging device
The upper valve of door and the first mud discharging device is identical as lower valve opening ways and time.
The invention has the advantages that:
(1) iron-carbon micro-electrolysis reaction module is made of wire netting and carbon fibre, is not present and is filled out during galvanic interaction
The problems such as material blocks, is hardened, and ferro element has been only introduced in treatment process, other anion and metallic element are not introduced；
(2) iron-carbon micro-electrolysis reaction module can take out at any time, and module activation and regeneration can be realized with several minutes of acid soak,
It is easy to operate；
(3) iron-carbon micro-electrolysis reaction system can wash away the stabilization flocculate of Modular surface generation by aeration, without super
The design such as sound wave, fluidized-bed, system investment cost and operating cost are low；
(4) iron-carbon micro-electrolysis reaction system is mounted with flusher and mud discharging device, can be discharged at any time or cleaning device
The phosphorous muddy water of bottom.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram for the iron-carbon micro-electrolysis reaction system for removing water systems'phosphorus of the present invention；
Fig. 2 is the front view of iron-carbon micro-electrolysis reaction unit；
Fig. 3 is the side view of iron-carbon micro-electrolysis reaction unit；
Fig. 4 is the structural schematic diagram of iron-carbon micro-electrolysis reaction module；
Fig. 5 is the operation principle schematic diagram of the iron-carbon micro-electrolysis reaction system of present invention removal water systems'phosphorus.
In figure: 1-iron-carbon micro-electrolysis reaction unit, 2-inclined plate sedimentation devices, 3-iron-carbon micro-electrolysis reaction modules, 4-
Aerator, 5-air pumps, 6-aeration tubes, 7-flushers, 8-water inlets, 9-diversion trenches, 10-mud discharging devices, 10-
1-upper valve, 10-2-lower valve, 11-connecting tubes, 12-microvovtex flocculation balls, 13-inclined plates, 14-water outlets, 15-reflux
Mouthful.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples, and embodiments of the present invention are not limited thereto.
The embodiment of the present invention is process object with the water body in lake of eutrophication, micro- using a kind of iron carbon for removing water systems'phosphorus
Electrolytic reaction system implements phosphorous water body purification processing.The working principle of the system is as shown in figure 5, firstly, pass through the micro- electricity of iron carbon
Solution reaction unit 1 will be converted into phosphorous flocculate or phosphorous sediment into water systems'phosphorus, specifically fine using wire netting and carbon
Dimension forms primary battery (iron-carbon micro-electrolysis reaction module 3), and in galvanic interaction, wire netting generates Fe as anode2+And Fe3+
With water systems'phosphorus co-precipitation and Fe2+And Fe3+Form Fe (OH) under certain condition2With Fe (OH)3Flocculate and water systems'phosphorus are mixed
It is solidifying；Then, phosphorous flocculate loose and tiny in water body becomes the big and closely knit wadding of particle under the effect of microvovtex flocculation ball 12
Condensate, then under the action of inclined plate sedimentation device 2 accelerated sedimentation to 9 slot bottom of diversion trench；Finally, 9 slot bottom of diversion trench is phosphorous
Flocculate is discharged under flusher 7 and mud discharging device 10 effect of system and send to solid waste center processing, to reach to water
Body phosphorus completely removes.The size, quantity and combination of each device can be real-time according to the day output containing phosphorus water in system
It adjusts (see Fig. 5).
As shown in Figs 1-4, a kind of iron-carbon micro-electrolysis reaction system removing water systems'phosphorus, including iron-carbon micro-electrolysis reaction unit
1, inclined plate sedimentation device 2, connection iron-carbon micro-electrolysis reaction unit 1 and microvovtex flocculation ball 12 connecting tube 11 and be set to connecting tube
Microvovtex flocculation ball 12 in 11.
The iron-carbon micro-electrolysis reaction unit 1 includes groove body and is set to the intracorporal iron-carbon micro-electrolysis reaction module 3 of slot, is aerated
Diversion trench 9, the mud discharging device 10 are formed at device 4, flusher 7 and the mud discharging device 10 set on groove body bottom, groove body lower part
It is connected to diversion trench 9.The iron-carbon micro-electrolysis reaction module 3 is process by wire netting and carbon fibre, and it is micro- to be placed in iron carbon
Inside the groove body of electrolysis reaction device 1, it can take out and be activated at any time.The iron-carbon micro-electrolysis reaction module 3 be by
Iron-carbon micro-electrolytic material is inserted into prefabricated cuboid framework and the module that is formed, for example, the iron-carbon micro-electrolytic material is by carbon fibre
Dimension is laid between two pieces of wire netting blocks, and is fixed and formed with thin wire.
The aerator 4 is installed on the bottom of iron-carbon micro-electrolysis reaction module 3, is made of air pump 5 and aeration tube 6, exposes
Tracheae 6 is installed between diversion trench 9 and iron-carbon micro-electrolysis reaction module 3.The aerator 4 may be either primary battery by aeration
Reaction improves oxygen-enriched environment, and can wash away the stabilization flocculate of iron wire net surface generation, can also flocculate be made to fill with containing phosphorus water
Divide mixing.
The diversion trench 9 is in irregular infundibulate, and slot bottom has certain gradient, and water inlet side is higher than water outlet side, favorably
Enter mud discharging device 10 with diversion trench 9 in flocculate precipitate；The flusher 7 includes suction pump and flushing pipe, suction pump peace
Below 9 slot bottom of diversion trench, flushing pipe is mounted on above 9 slot bottom of diversion trench, opens suction pump, 9 bottom surface of diversion trench
Flocculate can flow into mud discharging device 10 along 9 slot bottom of diversion trench under sluicing effect；The mud discharging device 10, which is mounted on, leads
Below 9 slot bottom of chute.
The inclined plate sedimentation device 2 includes groove body and is set to the intracorporal inclined plate 13 of slot, flusher 7 and is set to groove body bottom
Mud discharging device 10, the inclined plate 13 is installed on above the groove body water inlet of inclined plate sedimentation device, and is covered with groove body, passes through inclined plate
13 can shorten the settling height of flocculate, so as to shorten the sedimentation time.Diversion trench 9, the spoil disposal dress are formed at the groove body lower part
10 are set to be connected to diversion trench 9.The flusher 7 includes suction pump and flushing pipe, and suction pump is mounted under 9 slot bottom of diversion trench
Side, flushing pipe are mounted on above 9 slot bottom of diversion trench, open suction pump, and the flocculate of 9 bottom surface of diversion trench can be rushed in waterpower
Mud discharging device 10 is flowed into along 9 slot bottom of diversion trench under brush effect.The side wall of groove body is equipped with water outlet 14 in the inclined plate sedimentation device 2
And the refluxing opening 15 being connected to water outlet 14, supernatant pass through 14 outlet of water outlet after reaching certain water standard, otherwise pass through back
Head piece 15 is back to iron-carbon micro-electrolysis reaction unit 1 and handles again.
Such as using a kind of specific method of the iron-carbon micro-electrolysis reaction system processing containing phosphorus water for removing water systems'phosphorus of the present invention
Under:
1. iron-carbon micro-electrolysis reaction unit 1 and inclined plate sedimentation device 2 that a set of dischargeable capacity is 100L are designed and process,
And it is (straight that microvovtex flocculation ball 12 is filled up in the connecting tube 11 connected between iron-carbon micro-electrolysis reaction unit 1 and inclined plate sedimentation device 2
Diameter 20mm).
2. being first turned on the upper valve of mud discharging device 10 in iron-carbon micro-electrolysis reaction unit 1 and inclined plate sedimentation device 2 in test
Door 10-1, closes the lower valve 10-2 of mud discharging device 10, closes flusher 7, open water pump make lake containing phosphorus water (total phosphorus is dense
Degree enters the groove body of iron-carbon micro-electrolysis reaction unit 1 for 0.55mg/L, pH=7.5) with the flow of 12.5L/h from water inlet 8, to
The iron-carbon micro-electrolysis reaction module 3 in iron-carbon micro-electrolysis reaction unit 1 is flooded containing phosphorus water；Then, air pump 5 is opened, and is passed through
Aeration mode, aeration time and the aeration quantity of control air pump 5 ensure the dissolved oxygen of water body.
3. sinking after enter inclined plate through connecting tube 11 after core-loss shape is handled in iron-carbon micro-electrolysis reaction unit 1 containing phosphorus water
Shallow lake device 2 then accelerates flocculate sedimentation under the action of inclined plate 13, measures through analysis, the water outlet total phosphorus concentration of water outlet 14
It is reduced to 0.1mg/L (IV class of lake and reservoir water).
4. after handling a period of time, closing the upper valve 10-1 in mud discharging device 10, the lower valve of mud discharging device 10 is opened
10-2 is further processed with venting muddy water, muddy water as solid waste.
5. after the completion of processing, opening mud discharging device 10 and flusher 7, the muddy water of bottom of device can be made along diversion trench
9 flow into mud discharging device 10, achieve the purpose that cleaning device.
The present invention can reach the purpose of removal water systems'phosphorus, the risk of water eutrophication be reduced, in a manner of energy-saving and environment-friendly
It solves the blocking of iron carbon filler existing for existing iron-carbon micro-electrolysis technology and equipment, hardened, passivation, secondary pollution introducing etc. to ask
Topic, and the activation of iron-carbon micro-electrolysis reaction module and regeneration are simple, and system investment cost and operating cost are low.
Claims (10)
1. a kind of iron-carbon micro-electrolysis reaction system for removing water systems'phosphorus, it is characterised in that: including iron-carbon micro-electrolysis reaction unit, tiltedly
Plate settler, the connecting tube of connection iron-carbon micro-electrolysis reaction unit and inclined plate sedimentation device and the microvovtex in connecting tube
Flocculation ball, the iron-carbon micro-electrolysis reaction unit include the first groove body and react mould set on the intracorporal iron-carbon micro-electrolysis of the first slot
Block, the first flusher, the first mud discharging device set on the first groove body groove body bottom, the iron-carbon micro-electrolysis reaction module is by iron
Silk screen and carbon fibre are process, and the first diversion trench, first mud discharging device and the first water conservancy diversion are formed at the first groove body lower part
Slot connection, first flusher for after the flocculate of the first diversion trench bottom surface is washed away along the first diversion trench slot bottom
Flow into the first mud discharging device；The inclined plate sedimentation device is including the second groove body and is set to the intracorporal inclined plate of the second slot, the inclined plate
It is installed on above the second groove body water inlet, and is covered with the second groove body, the second diversion trench is formed at the second groove body lower part, and the inclined plate is used
The second diversion trench is settled down in acceleration flocculate.
2. a kind of iron-carbon micro-electrolysis reaction system for removing water systems'phosphorus as described in claim 1, it is characterised in that: the iron carbon
Micro-electrolysis reaction device further includes aerator, and the aerator is installed on the bottom of iron-carbon micro-electrolysis reaction module, is used for
Oxygen-enriched environment is improved for galvanic interaction, washes away the stabilization flocculate of iron wire net surface generation, and makes flocculate and phosphorous water
Body is sufficiently mixed.
3. a kind of iron-carbon micro-electrolysis reaction system for removing water systems'phosphorus as claimed in claim 2, it is characterised in that: the aeration
Device includes air pump and aeration tube, and aeration tube is installed between diversion trench and iron-carbon micro-electrolysis reaction module.
4. a kind of iron-carbon micro-electrolysis reaction system for removing water systems'phosphorus as described in claim 1, it is characterised in that: the inclined plate
Settler further includes the second flusher and the second mud discharging device set on the second groove body bottom, second mud discharging device with
The connection of second diversion trench, second flusher after washing away the flocculate of the second diversion trench bottom surface along second for leading
Chute slot bottom flows into the second mud discharging device.
5. a kind of iron-carbon micro-electrolysis reaction system for removing water systems'phosphorus as described in claim 1, it is characterised in that: described first
Flusher includes the first suction pump and the first flushing pipe, and the first suction pump is mounted below the first diversion trench slot bottom, the first punching
Pipe is washed to be mounted on above the first diversion trench slot bottom.
6. a kind of iron-carbon micro-electrolysis reaction system for removing water systems'phosphorus as described in claim 1, it is characterised in that: described first
Diversion trench is in irregular infundibulate, and the first diversion trench slot bottom has certain gradient, and water inlet side is higher than water outlet side, is conducive to wad a quilt with cotton
Retrogradation starch enters the first mud discharging device with the first diversion trench.
7. a kind of iron-carbon micro-electrolysis reaction system for removing water systems'phosphorus as described in claim 1, it is characterised in that: described first
Mud discharging device is installed below the first diversion trench slot bottom of water outlet side, and the valve by controlling the first mud discharging device can be arranged at any time
It is deposited in the phosphorous muddy water of the first water conservancy diversion trench bottom out.
8. a kind of iron-carbon micro-electrolysis reaction method for removing water systems'phosphorus, it is characterised in that use any one of claim 1-7 institute
System progress is stated, described method includes following steps:
1. designing and processing the iron-carbon micro-electrolysis reaction unit, oblique of certain specification size according to property containing phosphorus water, day output
Plate settler is connected to using connecting tube between iron-carbon micro-electrolysis reaction unit, inclined plate sedimentation device, microvovtex is arranged in connecting tube
Flocculation ball, the iron-carbon micro-electrolysis reaction unit include the first groove body and react mould set on the intracorporal iron-carbon micro-electrolysis of the first slot
Block, the first flusher, the first mud discharging device set on the first groove body groove body bottom, the iron-carbon micro-electrolysis reaction module is by iron
Silk screen and carbon fibre are process, and the first diversion trench, first mud discharging device and the first water conservancy diversion are formed at the first groove body lower part
Slot connection, first flusher for after the flocculate of the first diversion trench bottom surface is washed away along the first diversion trench slot bottom
Flow into the first mud discharging device；The inclined plate sedimentation device is including the second groove body and is set to the intracorporal inclined plate of the second slot, the inclined plate
It is installed on above the second groove body water inlet, and is covered with the second groove body, the second diversion trench is formed at the second groove body lower part, and the inclined plate is used
The second diversion trench is settled down in acceleration flocculate；
2. opening the upper valve of the first mud discharging device, the lower valve of the first mud discharging device is closed, closes the first flusher, is opened
Water pump makes to enter from the inlet the first groove body containing phosphorus water；
3. through iron-carbon micro-electrolysis reaction unit treated containing phosphorus water under the action of microvovtex flocculation ball and inclined plate sedimentation device
Accelerated sedimentation, the supernatant in inclined plate sedimentation device are discharged through water outlet after reaching correlation water standard, otherwise return through refluxing opening
Iron-carbon micro-electrolysis reaction unit is back to handle again；
4. after handling a period of time, closing the upper valve in the first mud discharging device, the lower valve row in the first mud discharging device is opened
Muddy water is removed, muddy water is further processed as solid waste；
5. after the completion of processing, opening the valve and flusher of the first mud discharging device, the muddy water of bottom of device can be made along leading
Chute flows into mud discharging device, achievees the purpose that cleaning device.
9. a kind of iron-carbon micro-electrolysis reaction method for removing water systems'phosphorus as claimed in claim 8, it is characterised in that: the iron carbon
Micro-electrolysis reaction device further includes aerator, and the aerator is installed on the bottom of iron-carbon micro-electrolysis reaction module, described
Aerator includes air pump and aeration tube, and aeration tube is installed between diversion trench and iron-carbon micro-electrolysis reaction module, to phosphorous water
Body floods the iron-carbon micro-electrolysis reaction module in iron-carbon micro-electrolysis reaction unit, opens air pump, when aeration by controlling air pump
Between and aeration quantity, to ensure the dissolved oxygen content of water body and the coagulation stirring intensity of water body.
10. a kind of iron-carbon micro-electrolysis reaction method for removing water systems'phosphorus as claimed in claim 8, it is characterised in that: described oblique
Plate settler further includes the second flusher and the second mud discharging device set on the second groove body bottom, second mud discharging device
Be connected to the second diversion trench, second flusher for after the flocculate of the second diversion trench bottom surface is washed away along second
Diversion trench slot bottom flows into the second mud discharging device；The upper valve of second mud discharging device and the upper valve of lower valve and the first mud discharging device
It is identical as lower valve opening ways and time.
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