CN107162122A - Iron carbon microvovtex flocculation clarifier - Google Patents

Iron carbon microvovtex flocculation clarifier Download PDF

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Publication number
CN107162122A
CN107162122A CN201710553982.0A CN201710553982A CN107162122A CN 107162122 A CN107162122 A CN 107162122A CN 201710553982 A CN201710553982 A CN 201710553982A CN 107162122 A CN107162122 A CN 107162122A
Authority
CN
China
Prior art keywords
iron
microvovtex
flocculation
carbon
container
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710553982.0A
Other languages
Chinese (zh)
Inventor
李刚
吴雅菲
范博
伍可炳
朱赟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Aerospace Environment Engineering Co Ltd
Original Assignee
Beijing Aerospace Environment Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Aerospace Environment Engineering Co Ltd filed Critical Beijing Aerospace Environment Engineering Co Ltd
Priority to CN201710553982.0A priority Critical patent/CN107162122A/en
Publication of CN107162122A publication Critical patent/CN107162122A/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/46Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/463Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrocoagulation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/46Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/467Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
    • C02F1/4672Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/20Heavy metals or heavy metal compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/18Nature of the water, waste water, sewage or sludge to be treated from the purification of gaseous effluents

Abstract

The present invention provides kind of an iron carbon microvovtex flocculation clarifier, and it includes the first container, and iron carbon microvovtex flocculation plant is provided with the first container, horn mouth and mud guard are connected with iron-carbon micro-electrolysis flocculation plant lower end.It is of the invention directly to be clarified light electrolysis flocculation liquid, to desulfurization wastewater processing flow is short, efficiency high, there is very strong removal ability to suspension, COD, heavy metal ion in desulfurization wastewater, heavy metal ion can be converted into the metal simple-substance of reduction-state, while pH value of waste water can be automatically adjusted.

Description

Iron carbon microvovtex flocculation clarifier
Technical field
The present invention provides a kind of iron carbon microvovtex flocculation clarifier, more particularly to a kind of flow is short, efficiency high iron carbon is micro- Flocculate clarifier in whirlpool.
Background technology
The desulfurization wastewater pH value discharged from FGD system is relatively low and suspension containing high level, COD and has Evil heavy metal ion, the discharge of wastewater containing these pollutants is by severe contamination environment.But prior art processing desulfurization wastewater Three headers are typically passed through, that is, neutralize case, reaction chamber, flocculation tanks, each technique is carried out in different reactors or reaction tank, Technological process is long, so causes that integrated level is low, floor space big, adding of agent species is more, operational management is bothered.
The content of the invention
To overcome the shortcoming that prior art is present, goal of the invention of the invention is to provide a kind of iron carbon microvovtex flocculation clarification dress Put, light electrolysis, oxidation, flocculation and clarification are carried out in a vessel, the flow handled desulfurization wastewater is short, efficiency high, to de- Suspension, COD, heavy metal ion have very strong removal ability in sulphur waste water, heavy metal ion can be converted into reduction-state Metal simple-substance, while pH value of waste water can be automatically adjusted.
To realize the goal of the invention, an aspect of of the present present invention provides a kind of iron carbon microvovtex flocculation clarifier, and it includes First container, it is characterised in that iron carbon microvovtex flocculation plant is provided with the first container, under iron-carbon micro-electrolysis flocculation plant End is connected with horn mouth and mud guard.
Preferably, iron carbon microvovtex flocculation plant includes the second container being arranged in the first container, in second container Aeration zone, iron-carbon micro-electrolysis reaction zone and microvovtex flocculation zone are provided with, the micro-electrolysis reaction liquid of iron-carbon micro-electrolysis reaction zone is utilized It is used as the flocculant of microvovtex flocculation zone.
Preferably, second container sets gradually iron-carbon micro-electrolysis reaction zone, aeration zone and microvovtex flocculation zone from top to bottom, treats Processing waste water flows through iron-carbon micro-electrolysis reaction zone, aeration zone and microvovtex flocculation zone successively, and after flowed into through horn mouth and mud guard Clarified into the first container.
Compared with prior art, the iron carbon microvovtex flocculation clarifier that the present invention is provided, is provided with exposure in same container Gas area, iron-carbon micro-electrolysis reaction zone, microvovtex flocculation zone and settling section, by the use of iron-carbon micro-electrolysis reaction zone micro-electrolysis reaction liquid as The flocculant of microvovtex flocculation zone, thus to desulfurization wastewater processing flow is short, efficiency high, to suspension in desulfurization wastewater, COD, Heavy metal ion has very strong removal ability, and heavy metal ion can be converted into the metal simple-substance of reduction-state, while can be automatic Adjust pH value of waste water.
Brief description of the drawings
Fig. 1 is the schematic diagram for the iron carbon microvovtex flocculation clarifier that first embodiment of the invention is provided;
Fig. 2 is the schematic diagram for the iron carbon microvovtex flocculation clarifier that second embodiment of the invention is provided.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation Example is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in invention, ordinary skill people The every other embodiment that member is obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, term " upper, " under ", " interior ", " outer " be using the direction of accompanying drawing as Reference, it is intended merely to description conveniently, other limitation can not be done to the present invention.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " setting ", " phase Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected;Can It to be to be joined directly together, can also be indirectly connected to by intermediary, the connection of two element internals be can also be, for this area Those of ordinary skill for, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
First embodiment
Fig. 1 is the schematic diagram for the iron carbon microvovtex flocculation clarifier that first embodiment of the invention is provided, as shown in figure 1, according to this The first container of iron carbon microvovtex flocculation clarifier 201 that invention first embodiment is provided, iron carbon is provided with the first container 201 Microvovtex flocculation plant 202, horn mouth 205 and mud guard 206 are connected with iron-carbon micro-electrolysis flocculation plant lower end.First container 201 tops are cylindrical shape, and bottom is vertebra shape bucket, are provided with cylindrical area multiple parallel and horizontal by certain angle Swash plate (inclined tube), it is preferable that axisymmetrical of these swash plates on cylinder, the angle is more excellent between 30 degree to 80 degree Selection of land is 60 degree.
Iron carbon microvovtex flocculation plant 202 include container, be disposed with from top to bottom in container microvovtex flocculation zone 209, Aeration zone 210 and iron-carbon micro-electrolysis reaction zone 207.Aeration zone 210, which is provided with blast pipe, blast pipe, is evenly arranged with multiple rows Stomata;Part in the middle part of container side wall corresponding to blast pipe is provided with air inlet, and it can connect air supply source, the confession by tracheae Source of the gas can be compressed air, oxygen or outside air, and air supply source can supply to increase supply by air pump 211 to blast pipe Speed.Iron-carbon micro-electrolysis reaction zone 207 is at least filled with iron carbon filler, so as to form light electrolysis area, its underpart is provided with many Hole baffle plate.Container side wall top is additionally provided with water inlet, and the water inlet is used for by water pipe to importing industrial wastewater in container, Control valve 217, check valve 213, water pump 213, control valve 214 and motor-driven valve 215 are provided with the pipeline for importing industrial wastewater.Control Valve 217 processed and control valve 215 are used for the break-make for controlling current, and the check valve 212 is used for the flow direction for controlling water, motor-driven valve 215 Flow for controlling water.Microvovtex flocculation zone 210 is filled with microvovtex flocculation ball.Container side wall bottom is additionally provided with discharge outlet, its For discharging flocculation reaction liquid.Flocculation reaction liquid wadding flows downwardly through reduction after horn mouth 205 and declines flow velocity, solid-liquid during decline Mixture is changed direction by the blocks flow of mud guard 206, and separation of solid and liquid iron carbon microvovtex flocculation clarification dress is carried out in the bottom of container 201 Put top and water ring weir 203 is set, for collecting the clear liquid after separation of solid and liquid, clear liquid flows out iron carbon microvovtex by flocculation sediment outlet pipe Flocculate clarifier;Sediment is collected by receipts bucket, finally exports iron carbon microvovtex flocculation clarifier by discharge pipeline 204.
Iron-carbon micro-electrolysis reaction zone 207 is at least filled with iron carbon filler, when importing desulfurization wastewater, due between Fe and C There is 1.2V difference in Electrode Potential, thus countless micro cell systems can be formed, an electric field, anode are constituted in its action space The substantial amounts of Fe of reaction generation2+Into waste water, and then it is oxidized to Fe3+, form the flocculant with higher adsorption-flocculation activity.By In desulfurization wastewater pH value between 4-6, [H] and [O] that cathode reaction produces a large amount of nascent states can be with many in waste water Redox reaction occurs for component, organic macromolecule is occurred chain-scission degradation, so as to eliminate the colourity of organic matter, improves useless The biochemical degree of water, and cathode reaction consumes substantial amounts of H+ and generates substantial amounts of OH-, this causes the pH value of waste water also to carry It is high.
Occurs following electrochemical reaction after waste water is contacted with iron carbon:
Anode:Fe-2e→Fe2+
Negative electrode:2H++2e→H2
In the presence of aerobic, occurs following reaction:
Anode:4Fe2+ +O2+4H+→2H2O+ 4Fe3+
Negative electrode:O2+4H++4e→2H2O
O2+2H2O+4e→4OH-
Reacted by ferrum carbon aeration, consume substantial amounts of hydrogen ion, and generate substantial amounts of [OH-], so that the pH value of waste water Rise, is that subsequent catalyst oxidation processes create condition.Divalence and ferric ion are good flocculants, particularly newborn Ferrous ion has higher absorption-flocculation activity, and the pH of regulation waste water can make iron ion become the cotton-shaped heavy of hydrate Form sediment, the molecule and organic polymer of suspension or colloidal attitude in absorption effluent can further reduce the colourity of waste water, simultaneously Removing some organic pollutants matter is purified waste water.
Microvovtex flocculation zone 209 is filled with microvovtex flocculation ball, and microvovtex flocculation ball is hollow ball shape structure, and surfaces externally and internally is beaten Hair, surface is provided with aperture;Using ABS plastics, density is slightly larger than water.The motion of numerous microvovtex flocculation balls can be effectively facilitated The diffusion and collision of particulate in water.On the one hand, the divalence and ferric ion imported from iron-carbon micro-electrolysis reaction zone is hydrolyzed to form Colloid it is quick under micro swirl effect spread and fully collided with water-borne glue body, make water-borne glue body quickly de- steady;The opposing party Larger current difference between face, microvovtex flocculation zone, causes to carry the relative motion of particulate in fluid layer, while the rotation of vortex Effect forms centrifugal intertia force, causes particulate along vortex radial motion, therefore steady colloid is taken off in water to be had more under micro swirl effect Many collision opportunity, thus with higher solidifying efficiency.By controlling the perforate ratio of each layer microvovtex flocculation ball of water (flow) direction, make stream Speed is gradually reduced, so that the energy transmission between various yardsticks are vortexed is also less and less, while producing the whirlpool of smaller yardstick Rotation, the viscous effects of water start increase, produce energy loss.
After microvovtex flocculation zone placed substantial amounts of microvovtex flocculation ball, because flow velocity is relatively small in reactor, largely The flco (alumen ustum) of greater particle size is accumulated in microvovtex flocculation ball and suspended in water.Suspension flco (body refuse generally said) It is contact flocculation to produce adsorption-flocculation effect to the de- steady colloid in current.The technique upward flow area is each vortexed microvovtex flocculation ball Inside there is suspension flco, cumulative volume is big, form three-dimensional contact flocculation;Flco Growing Quality is high in microvovtex flocculation ball, grows up Big flco can be broken into smaller flco to keep flocculation ability in the presence of micro swirl, and the relatively low flco of compactness exists It can be crushed in the presence of micro swirl and flocculate into the higher flco of compactness again, be conducive to post precipitation to separate.
Second embodiment
Fig. 2 is the schematic diagram for the iron carbon microvovtex flocculation clarifier that second embodiment of the invention is provided, as shown in Fig. 2 according to this The iron carbon microvovtex flocculation clarifier that invention second embodiment is provided and the iron carbon microvovtex flocculation clarification dress that first embodiment is provided It is only that in addition to magnetic valve 216, pending waste water is communicated in the first water inlet of magnetic valve, the flocculation of iron carbon microvovtex to put different The delivery port of clarifier is communicated in the second water inlet of magnetic valve, and the delivery port of magnetic valve is successively through control valve 217, check valve 212nd, control valve 214 and motor-driven valve 215 are communicated in the water inlet of iron carbon microvovtex flocculation plant 202.
Water quality sensor is set in the water outlet of iron carbon microvovtex flocculation clarifier, it is used to monitor the flocculation of iron carbon microvovtex The water quality of the water outlet of clarifier.Iron carbon microvovtex flocculation clarifier also includes processor, and processor is sensed according to water quality Information control water pump 214 and the working condition of motor-driven valve 215 that device is provided, during work, make the first water inlet and the row of magnetic valve The mouth of a river is connected, and is opened motor-driven valve 215, water pump 213 is worked, and is imported pending waste water to iron carbon microvovtex wadding device 202, is entered Row light electrolysis and flocculation reaction, when the water in the first container is full, the second water inlet and draining for making magnetic valve 216 are connected, Water by clarification is imported into iron carbon microvovtex flocculation plant 202 again to be handled, when water quality sensor detects processed When water reaches standard, clear water is discharged from the first container, the first water inlet and discharge outlet that magnetic valve is then made again are connected, and are repeated Said process.The standard comes standard, at least data such as water turbidity, COD, pH value for row.
In second embodiment, light electrolysis, flocculation, precipitation are repeated to pending waste water, industrial wastewater is obtained more Sufficiently purification.
In the another embodiment of the present invention, blast pipe 210 can be made to spiral shape, and set along the inwall of container, The area of oxidation can so be increased.In this hair one embodiment, center aeration tube, air can also be set in iron-carbon micro-electrolysis area Injected at the top of from device, micropore is provided with along aeration tube wall Central Symmetry.
Above-described embodiment is only to enumerate, and all parts of various embodiments can be also combined, also disclosed by the invention In the range of.
Obviously, above-described embodiment is only intended to clearly illustrate example, and the not restriction to embodiment.It is right For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or Among changing still in the protection domain of the invention.

Claims (3)

  1. The clarifier 1. a kind of iron carbon microvovtex flocculates, it includes the first container, it is characterised in that be provided with iron in the first container Carbon microvovtex flocculation plant, horn mouth and mud guard are connected with iron-carbon micro-electrolysis flocculation plant lower end.
  2. The clarifier 2. iron carbon microvovtex according to claim 1 flocculates, it is characterised in that, iron carbon microvovtex flocculation plant bag The second container being arranged in the first container is included, aeration zone, iron-carbon micro-electrolysis reaction zone and microvovtex are provided with second container Flocculation zone, by the use of iron-carbon micro-electrolysis reaction zone micro-electrolysis reaction liquid as microvovtex flocculation zone flocculant.
  3. The clarifier 3. iron carbon microvovtex according to claim 2 flocculates, it is characterised in that second container is from top to bottom successively Iron-carbon micro-electrolysis reaction zone, aeration zone and microvovtex flocculation zone are set, and pending waste water flows through iron-carbon micro-electrolysis reaction zone, exposure successively Gas area and microvovtex flocculation zone, and after be flowed into the first container and clarified through horn mouth and mud guard.
CN201710553982.0A 2017-07-09 2017-07-09 Iron carbon microvovtex flocculation clarifier Pending CN107162122A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710553982.0A CN107162122A (en) 2017-07-09 2017-07-09 Iron carbon microvovtex flocculation clarifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710553982.0A CN107162122A (en) 2017-07-09 2017-07-09 Iron carbon microvovtex flocculation clarifier

Publications (1)

Publication Number Publication Date
CN107162122A true CN107162122A (en) 2017-09-15

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Country Status (1)

Country Link
CN (1) CN107162122A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109704517A (en) * 2019-01-28 2019-05-03 北京华夏壹泰科技有限公司 A kind of processing system and method for the high organic matter mine water of high suspended matter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109704517A (en) * 2019-01-28 2019-05-03 北京华夏壹泰科技有限公司 A kind of processing system and method for the high organic matter mine water of high suspended matter

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