CN208345997U - A kind of advanced oxidation water treatment system based on light electrolysis - Google Patents

A kind of advanced oxidation water treatment system based on light electrolysis Download PDF

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Publication number
CN208345997U
CN208345997U CN201820759227.8U CN201820759227U CN208345997U CN 208345997 U CN208345997 U CN 208345997U CN 201820759227 U CN201820759227 U CN 201820759227U CN 208345997 U CN208345997 U CN 208345997U
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pond
water
sewage
water inlet
sludge
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杨智迪
陈�胜
施达
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Zhangjiagang Qingquan Water Processing Co Ltd
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Zhangjiagang Qingquan Water Processing Co Ltd
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Abstract

The advanced oxidation water treatment system based on light electrolysis that the utility model discloses a kind of, the water treatment system and processing method merge in other sewage treatment process again after combining iron-carbon micro-electrolysis and Fenton's reaction, not only it is convenient for changing iron carbon particle, and the passivation of iron carbon particle is reduced, and then keep the effect of sewage treatment more preferable.The sewage of high concentration COD can be handled, also can handle the sewage containing refractory organic.

Description

A kind of advanced oxidation water treatment system based on light electrolysis
Technical field
The advanced oxidation water treatment system based on light electrolysis that the utility model relates to a kind of also relates to a kind of by iron carbon The advanced oxidation processing method that light electrolysis and Fenton's reaction combine.
Background technique
There are many current sewage water treatment methods, for example activated sludge process, biofilm etc. handle sewage, right sewage Contain the substance of some difficult for biological degradation, such as A-K sugar, ketene dimer when COD concentration is greater than 10000mg/L, and in sewage;
A-K sugar
Monomer molecule amount: 201.2422
Material classification: sweetener
Soluble easily in water, solubility is 27 grams at 20 DEG C, is stablized to light, heat (being resistant to 225 DEG C of high temperature), the pH value scope of application compared with Extensively (pH=3-7).
Ketene dimer;
Also known as: dicthenone;3- hydroxybutyric acid-β-lactone;Diketen
Molecular formula: C4H4O2
Molecular weight: 84.0744, the flammable liquid of colourless irritating stink, relative density 1.0897 (20/20 DEG C), fusing point- It is 6.5 DEG C, 127.4 DEG C of boiling point, refractive index nD (20 DEG C) 1.4379, specific heat capacity 0.1990kJ/ (kg DEG C), 33.9 DEG C of flash-point, molten In ordinary organic solvents, chemical property is active.It is layered in water, purposes is used as Organic Ingredients, can make plasticizer, dyestuff, synthesis The raw material of fiber, pesticide.
The right this traditional processing mode of intractable substance is simultaneously not suitable for.Although in the method for advanced oxidation water process There are Fenton processing and microelectrolysis processing, also there is technology to study again and the two is combined processing sewage, but the knot of the two at present Close only there are laboratory stage, promoted there is no complete, main problem is: 1, the duration of iron-carbon micro-electrolysis by Limitation, iron carbon filler react a period of time rear surface and are easy passivation, and the reaction effect of such light electrolysis is not obvious, sewage treatment Effect can decline seriously afterwards for a period of time;2, the replacement difficulty of iron-carbon micro-electrolysis is big;3, there is also realities for Fenton and micro-electrolysis reaction The room stage is tested, there is no completely by Fenton and micro-electrolysis reaction fusion at traditional sewage in actual sewage treatment process In science and engineering skill.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of advanced oxidation water process system based on light electrolysis System, the water treatment system merge in other sewage treatment process again after combining iron-carbon micro-electrolysis and Fenton's reaction, not only facilitate Iron carbon particle is replaced, and reduces the passivation of iron carbon particle, and then keep the effect of sewage treatment more preferable.
In order to solve the above technical problems, the technical solution of the utility model is: a kind of advanced oxidation water based on light electrolysis Processing system, including
Conditioning tank, the conditioning tank are provided with water inlet manifold and outfall sewer;
Add alkali pool, described plus alkali pool water inlet is connected with the outfall sewer of conditioning tank, also sets up in described plus alkali pool There is sodium hydroxide adding tube;
Coagulating basin, pipeline is connected between the water inlet of the coagulating basin and the water outlet for adding alkali pool, is set on the coagulating basin It is equipped with PAC adding tube and PAM adding tube;
One heavy pond, pipeline is connected between the water inlet and the water outlet of coagulating basin in a heavy pond, and the bottom in a heavy pond is set Sludge outlet is set;
Intermediate pool, the water inlet of the intermediate pool and a heavy pond overflow outlet;
Reaction tank, the reaction tank include the pond body of rectangle, and the top of the pond body is provided with leakage fluid dram, the outside of pond body It is provided with cofferdam, forms drain between the cofferdam and the outside of pond body, which is connected with leakage fluid dram: described It is placed with iron carbon filler bracket in pond body, is provided with and facilitates the iron carbon filler support lift at the top of the iron carbon filler bracket Lifting device outside pond body out, the iron carbon filler bracket include the outer framework with pond body shape adaptation, the outer framework Bottom is placed on the bottom of pond body, and water distributing plate and iron carbon filler stacking adapter are from bottom to top provided on the outer framework, described Multiple water distributing pores are provided on water distributing plate, the iron carbon filler stacking adapter includes the drawer that several are stacked up and down, described outer Several groups card slot is provided on frame, the edge pull of the drawer is installed in the card slot of corresponding group, setting in each drawer There are several through holes up and down, is placed with one layer of spherical iron carbon particle in each drawer, the diameter of through hole is less than The diameter of iron carbon particle exists between the top of the iron carbon particle in the bottom and lower layer's drawer of the drawer on upper layer and facilitates iron carbon The bounce gap that grain moves up and down, is provided with upper cover plate on the outer framework of the top of the drawer of top layer, on the upper cover plate Several through holes up and down are provided with, are provided with ferrous sulfate solution chemical feed pipe in the middle part of the pond body, hydrogen peroxide adds Pencil, sulfuric acid chemical feed pipe and sewage inlet pipe, the ferrous sulfate solution chemical feed pipe, hydrogen peroxide chemical feed pipe, sulfuric acid chemical feed pipe and Sewage inlet pipe is extending vertically into downwards the lower section of water distributing plate, and the sewage inlet pipe passes through the water outlet of centrifugal pump and intermediate pool It is connected, gas-liquid ejector is provided on the vertical pipe section of the sewage inlet pipe;
Add-alkali concrete sedimentating pond, pipeline connects between the water inlet in the add-alkali concrete sedimentating pond and the drain of reaction tank It is logical, PAC adding tube, PAM adding tube and sodium hydroxide adding tube, add-alkali concrete sedimentating pond are provided on the add-alkali concrete sedimentating pond Bottom be provided with sludge outlet;
The water inlet of UASB reactor, the UASB reactor is connected to the water outlet in add-alkali concrete sedimentating pond, the UASB Reactor is provided with sludge reuse entrance;
Contact-oxidation pool, the water inlet of the contact-oxidation pool are connected to the water outlet pipeline of the UASB reactor, the contact The sludge reflux outlet of oxidation pond is connected to the sludge reuse inlet duct of the UASB reactor,
Secondary settling tank, the water inlet of the secondary settling tank are connected to the water outlet pipeline of contact-oxidation pool, and the bottom of the secondary settling tank is set It is equipped with sludge outlet, the water outlet of secondary settling tank by discharge pipe direct emission or is sent into evaporator;
Sludge-tank, the entrance of the sludge-tank are connected to the sludge outlet of a heavy pond, add-alkali concrete sedimentating pond, secondary settling tank, dirty The outlet of mud sump is conveyed to the concentration basin of plate type pressure filter by sludge conveying system, and the sludge outlet of concentration basin is sent by pipeline Enter plate type pressure filter.
As a preferred solution, the lifting device include be fixed on iron carbon filler cradle top left movable pulley and Right movable pulley is respectively fixed with left fixed pulley and right fixed pulley, the left movable pulley, right movable pulley, a left side at the top of the pond body Promotion traction rope is wound between fixed pulley and right fixed pulley, one end of the promotion traction rope is fixed on the outside of pond body, is promoted The other end of traction rope, which is wrapped in, to be promoted on reel, which is fixed on the outside of pond body.
As a preferred solution, several criss-cross dividers are provided on the drawer, which will Drawer is divided into several placement spaces, is provided at least one described through hole, each placement space on each placement space Inside it is placed with the iron carbon particle equal with perforation hole number.
As a preferred solution, the gas-liquid ejector includes the ejector ontology being vertically arranged, the ejector The upper end of ontology is provided with water inlet, and lower end is provided with water outlet, is provided with blowdown pipe in the middle part of the ejector ontology, described The quantity of blowdown pipe be it is multiple, the liquid pressure of the ejector body interior is less than atmospheric pressure, and the blowdown pipe includes perpendicular The upper end of straight pipe and inclination pipeline section, the inclination pipeline section is bigger diameter end, and lower end is miner diameter end, the bigger diameter end of the inclination pipeline section It is equal with the diameter of vertical pipe section and be connected with each other, it is described inclination pipeline section miner diameter end and ejector ontology in the middle part of be connected, The upper end opening of vertical pipe section and it is arranged upward.
As a preferred solution, the top of the pond body, which is removably fixed with, is auxiliarily fixed bracket, this is auxiliarily fixed The fixed ferrous sulfate solution chemical feed pipe of bracket, hydrogen peroxide chemical feed pipe, sulfuric acid chemical feed pipe and sewage inlet pipe, the water distributing plate Bottom be additionally provided with water inlet distribution pipe, the connection of the lower end of the water inlet distribution pipe and sewage inlet pipe, which includes One is responsible for the water inlet that sewage inlet pipe is welded and fixed, and several water inlets vertical with water inlet supervisor are welded on water inlet supervisor It is in charge of, water inlet, which is in charge of, is provided with several apopores.
As a preferred solution, the processing system further includes cache pool, and the water outlet of the intermediate pool passes through slow It deposits circulation duct to be connected to the water inlet of cache pool, the water outlet of cache pool is connected by the water inlet of reflux line and centrifugal pump It is logical.
After above-mentioned technical proposal, the effect of the utility model is: it is even that the processing system first passes through conditioning tank progress Change water quality, sewage tens of thousands of for some COD concentration in this way is deployed in conditioning tank, and general common processing system is most The sewage less than 4000mg/L can only be mostly handled, and present treatment system can handle the sewage of concentration 10000mg/L;By reconciling Sewage afterwards first adds some metal ions of flocculation sedimentation and bulky grain solid matter after alkali, enters back into progress iron carbon in reaction tank Light electrolysis and Fenton's reaction, sewage enters from bottom and brings into air when reaction, and it is gentle that water column is formed after water distributing plate moisturizing Bubble, in this way impacts iron carbon particle, has scrubbed the sludge for being attached to iron carbon particle surface to a certain degree, reduces passivation phenomenon Generation, it is ensured that the enough activity of iron carbon particle.And the hydrogen peroxide of Fenton's reaction is passed through in reaction tank at the same time, light electrolysis The ferrous ion that reaction generates participates in Fenton's reaction, reduces the additive amount of ferrous ion in this way, can also be insufficient in ferrous ion In the case of additionally supplement ferrous sulfate solution, it is intractable organic in sewage in this way after Fenton's reaction and micro-electrolysis reaction Object can be all destroyed, make organic matter occur chain rupture, open loop and be broken to small molecule and by the substance of biochemical degradation;Then it passes through Reaction tank treated sewage is again using adding alkali flocculation sedimentation tank, due to can bring oxygen in reaction tank into, forms aeration, because This, will form certain by Fe2+Aoxidize the Fe generated3+Gradually hydrolysis generates the big Fe (OH) of the degree of polymerization3Colloid flocculant, can be with It effectively adsorbs, the pollutant in cohesion water, thus clean-up effect of the enhancing to sewage, in this way, adding alkali flocculation sedimentation again After pond carries out sludge settling, the pressure of subsequent sewage purification is reduced, in this way, sewage enters after flocculation sedimentation again Anaerobic reaction is carried out into UASB reactor, UASB reactor is also known as upflow anaerobic sludge blanket process, is to utilize reactor bottom High concentration sludge bed (sludge concentration is up to 60-80g/L) carries out Anaerobic Treatment to upper up-flow sewage, and most of organic matter is in dirt Fermented in mud bed to be converted into gas, due to the agitation of gas, a sludge suspension layer is arranged at Sludge Bed top, and reactor top is set There is settling vessel -- gas separator.Reactor is exported by isolated gas (biogas), it is anti-that anaerobism is then flowed back by isolated sludge Answer area.The UASB reactor is currently used anaerobic sewage treatment equipment, and the sewage after Anaerobic Treatment, which enters back into, to be connect Aerobic reaction is carried out in touching oxidation pond, sewage is discharged after then sinking using two or is gone out through pervaporation heel row, in this way for containing hardly possible When biodegradable ingredient and the sewage treatment up to ten thousand of COD concentration, which can preferably handle and qualified discharge, and protects The lasting treatment effect of processing system is demonstrate,proved, guarantees lasting and stable wastewater treatment efficiency.
It is described again since the lifting device includes the left movable pulley and right movable pulley for being fixed on iron carbon filler cradle top Left fixed pulley and right fixed pulley are respectively fixed at the top of pond body, the left movable pulley, right movable pulley, left fixed pulley and the right side are fixed sliding Promotion traction rope is wound between wheel, one end of the promotion traction rope is fixed on the outside of pond body, promotes the other end of traction rope It is wrapped in and is promoted on reel, which is fixed on the outside of pond body.The lifting device is structurally reasonable, utilizes fixed pulley More labor-saving iron carbon filler bracket can be left the water with running block.
Again due to being provided with several criss-cross dividers on the drawer, which is divided into drawer several A placement space is provided at least one described through hole on each placement space, is placed with and penetrates through in each placement space The equal iron carbon particle of hole number.In this way, each iron carbon particle can ensure to have a through hole to be corresponding to it, facilitate flushing, And iron carbon particle can be constrained in preferably in placement space, will not be interfered with each other.
Again since the gas-liquid ejector includes the ejector ontology being vertically arranged, the upper end setting of the ejector ontology There is water inlet, lower end is provided with water outlet, blowdown pipe is provided in the middle part of the ejector ontology, and the quantity of the blowdown pipe is Multiple, the liquid pressure of the ejector body interior is less than atmospheric pressure, and the blowdown pipe includes vertical pipe section and tipping tube Section, it is described inclination pipeline section upper end be bigger diameter end, lower end is miner diameter end, it is described inclination pipeline section bigger diameter end and vertical pipe section it is straight Diameter is equal and is connected with each other, and is connected in the middle part of the miner diameter end and ejector ontology of the inclination pipeline section, the upper end of vertical pipe section It is open and is arranged upward.Extraneous air is brought into ejector ontology by blowdown pipe during liquid flow, is sent in sewage When entering to the vertical pipe section of sewage inlet pipe, sewage flows downward, and sewage itself will receive gravity, and the opening court of vertical pipe section On, fluid pressure is preferably more easily controlled in this way, it is ensured that outside air can enter gas-liquid jet stream by vertical pipe section In device, bubble is brought into during water inlet, realize to be bubbled and rinse.
Again since the processing system further includes cache pool, the water outlet of the intermediate pool by caching circulation duct and delays The water inlet connection in pond is deposited, the water outlet of cache pool is connected to by reflux line with the water inlet of centrifugal pump, which can be with Sewage is cached when reaction tank carries out pickling, ensures that systems stay efficiently handles sewage in this way.
The utility model also discloses a kind of high grade oxidation method for treating water based on light electrolysis, which uses Above-mentioned processing system comprising following steps:
S1, the sewage of certain enterprise is sent into conditioning tank and is deployed, make the COD concentration 8000- of the water in conditioning tank 12000mg/L, ammonia nitrogen concentration 300-500mg/L, total phosphorus 50-100mg/L, pH=4-5;
S2, it is formulated after sewage be sent to plus alkali pool in, toward add alkali pool in sodium hydroxide is added, make the pH value in sewage Reach 8.5-10;
Sewage in S3 plus alkali pool is flowed into flocculation basin, be added into flocculation basin the PAC solution of 10% mass ratio with 0.1% mass ratio PAM solution, wherein the additive amount of PAC is 100-400ppm, and the additive amount of PAM is 1-5ppm;
S4, it the sewage in flocculation basin is drained into a heavy pond carries out primary sedimentation, the sludge precipitated is sent to dirt In mud sump, supernatant overflow is into intermediate pool;
S5, intermediate pool sewage the bottom of pond to reaction tank, sewage water inlet pipe are vertically fed by centrifugal pump and sewage water inlet pipe On gas-liquid ejector air is brought into reaction tank, placed iron carbon filler bracket in reaction tank, iron carbon filler bracket It placed multiple iron carbon particles in drawer;The bottom of pond that sulfuric acid to the reaction tank of 50% mass percent are persistently added in reaction makes instead The pH value of Ying Chi is maintained at 2.5-3.5;The ferrous sulfate solution of the mass fraction 50% of chemical conversion is added to reaction tank simultaneously Bottom of pond;The hydrogen peroxide that the mass fraction of cash purchase is 30% is added to the bottom of pond of reaction tank again;Sewage in sewage air inlet pipe is taken Water column and minute bubbles are formd after the fill hole of water distributor with air, minute bubbles and water column from bottom to top shocked iron carbon particle It carries out carrying out iron-carbon micro-electrolysis and Fenton's reaction in reaction tank afterwards;
It is wherein as follows in the principle of light electrolysis and Fenton's reaction:
1.1 Fenton's reaction
H2O2+Fe2+→Fe3++HO-+HO· (1)
RH+HO·→R·+H2O (2)
R·+Fe3+→Fe2++ product (3)
H2O2+HO·→HO2·+H2O (4)
Fe2++HO·→Fe3++HO- (5)
Fe3++H2O2→Fe2++H++HO2· (6)
Fe3++HO2·→Fe2++H++O2 (7)
1.2 iron-carbon micro-electrolysis
Iron is entered solution by the iron ion that corrosion becomes divalent.Since iron ion has coagulation, in it and pollutant There is a natural attraction between the sexes for particle with faint negative electrical charge, forms more stable flocculate (being also iron cement) and removes, wherein current potential is low Iron becomes anode, and the high carbon of current potential becomes cathode, electrochemical reaction occurs under acid aerobic condition, reaction process is as follows:
Anode (Fe): Fe-2e → Fe2+
Cathode (C): 2H++2e→2[H]→H2,
In reaction, the Fe of nascent state of generation2+With atom H, they have high chemical activity, can change many in waste water The structure and characteristic of organic matter, make organic matter occur chain rupture, open loop the effects of.
If there is aeration, that is, it is oxygenated and prevent iron filings hardened.It also occur that following reaction:
O2+4H++4e→2H2O;
O2+2H2O+4e → 4OH-;
4Fe2++O2+4H+→2H2O+4Fe3+
The OH- generated in reaction is the reason of water outlet pH value increases, and by Fe2+The Fe that+oxidation generates3+Gradually hydrolysis life At the big Fe of the degree of polymerization (OH)3Colloid flocculant can be adsorbed effectively, agglomerate pollutant in water, so that enhancing is to waste water Clean-up effect.
S6, the sewage after iron-carbon micro-electrolysis and Fenton's reaction are discharged by the leakage fluid dram overflow on reaction tank top plus alkali is mixed In solidifying sedimentation basin, sodium hydroxide is first added toward add-alkali concrete sedimentating pond, the pH value in sewage is made to reach 8.5-9, it is then past again to add The PAC solution and 0.1% mass ratio PAM solution of 10% mass ratio are added in alkali coagulative precipitation tank, wherein the additive amount of PAC is The additive amount of 100-400ppm, PAM are 1-5ppm;Sewage drains into UASB reaction after flocculation sedimentation half an hour, by supernatant In device, the pH value when water outlet of the supernatant is controlled in 7-8, and the sludge of precipitating is discharged into sludge-tank;
S7, anaerobic reaction being carried out in UASB reactor through the processed sewage of step S6, water temperature is controlled at 20-40 DEG C, Dissolved oxygen is controlled in 0.3-0.6mg/L;
S8, it is sent into contact-oxidation pool by step S7 treated sewage and handles sewage again using contact oxidation method, The activated sludge in contact-oxidation pool is fed in UASB reactor simultaneously;
S9, it being sent in secondary settling tank and precipitates through the processed sewage of step S8, the sludge after precipitating is discharged into sludge-tank, on Standard emission of clear or be passed through in evaporator as required discharges after evaporative condenser;Concentration is sent to after collecting sludge in sludge-tank Plate type compressor compresses after being concentrated in pond, the sewage that filters pressing obtains are discharged into conditioning tank.
After above-mentioned technical proposal, the effect of the utility model is: the processing method has used above-mentioned processing system System, iron-carbon micro-electrolysis, Fenton's reaction, anaerobic reaction, aerobic reaction are combined, and continuous processing can be achieved in this way containing difficult to degrade Substance and high COD concentration sewage, iron-carbon micro-electrolysis is carried out in reaction tank and when Fenton's reaction, it is existing to reduce filler passivation As that can keep efficiently reacting for a long time, reduce the addition of ferrous sulfate, the reaction time is shorter.
Preferably, the high grade oxidation method for treating water further includes iron carbon filler acid washing method, acquires the water inlet of reaction tank Start acid washing method, at this time intermediate pool when the COD removal rate of reaction tank is less than 40% with water outlet assay COD concentration Sewage is passed into cache pool and caches, and sulfuric acid is continuously added into reaction tank, monitors the pH value of reaction tank, stops when pH value is 2.0 The pickling time that 2-2.5 hour is only kept after acid adding, makes centrifugal pump work on during pickling, to keep normal in reaction tank Aeration stirring, and reaction tank overflow effluent recycling is into intermediate pool;The sewage in cache pool is sent by centrifugal pump after pickling To the sewage water inlet pipe of reaction tank, then it is anti-to be continually fed into progress iron-carbon micro-electrolysis and Fenton in reaction tank for the sewage of intermediate pool It answers, cache pool keeps enough spatial caches, and sewage in pickling time, the method for treating water contain acid washing method next time, this Sample, when after a period of use, certain passivation phenomenon occurs in iron carbon particle surface, by monitoring the removal rate of COD come really It is fixed whether to be passivated seriously, it then by switching water flow route, is cached using cache pool, sulphur can be thus added in reaction tank Acid reduces pH value, meets acid washing conditions, when pickling 2-2.5 small after eliminate the passivation layer on iron carbon particle surface, it is true in this way It is more preferable to protect subsequent light electrolysis effect.
Preferably, the method for treating water further includes the replacing options of iron carbon filler, after when overpickling 2 small followed by Continuous sampling analysis inflow and outflow COD concentration, when 2 small after COD removal rate compare the COD removal monitored when last time pickling Rate decline or at this time COD removal rate are still less than 50%, after iron carbon filler bracket is left the water by promotion traction rope again Be lifted on ground by crane, extract out drawer after replace iron carbon particle after place into reaction tank continue iron-carbon micro-electrolysis and Fenton's reaction, the replacing options are more fairly simple, determine the time needed replacing by the comparison of COD removal rate twice, so Iron carbon filler bracket is left the water by promoting traction rope afterwards, then utilizes the iron carbon inside the pull installation and replacement of drawer Grain enables light electrolysis to be really applied in actual sewage treatment process for a long time.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural schematic diagram of the sewage disposal system of the utility model embodiment 1;
Fig. 2 is the structural schematic diagram of the reaction tank in the utility model embodiment 1;
Fig. 3 is the partial structural diagram of iron carbon filler bracket in the utility model embodiment 1;
Fig. 4 is the front schematic view of the gas-liquid ejector of the utility model embodiment 1;
Fig. 5 is the top view of Fig. 4;
In attached drawing: 1. pond bodies;2. iron carbon filler bracket;21. water distributing plate;211. fill hole;22. iron carbon filler stacks dress It sets;221. outer framework;222. drawer;223. iron carbon particles;224. through hole;225. upper cover plate;226. divider;227. card Slot;3. sewage inlet pipe;31. water inlet supervisor;32. water inlet is in charge of;4. sulfuric acid chemical feed pipe;5. ferrous sulfate solution chemical feed pipe;6. Hydrogen peroxide chemical feed pipe;7. gas-liquid ejector;71. ejector ontology;72. water inlet;73. water outlet;74. vertical pipe section;75. inclining Inclined tube section 75;8. centrifugal pump;9. cofferdam;10. leakage fluid dram;11. bracket 11 is auxiliarily fixed;12. left movable pulley;13. left fixed pulley; 14. promoting traction rope;15. promoting reel;16. right fixed pulley;17. right movable pulley.
Specific embodiment
The utility model is described in further detail below by specific embodiment.
Embodiment 1
As shown in Figures 1 to 5, a kind of advanced oxidation water treatment system based on light electrolysis, including
Conditioning tank, the conditioning tank are provided with water inlet manifold and outfall sewer;Water inlet manifold can be used to connect certain enterprise row Sewage out, the sewage disposal system can be used to handle the sewage of COD concentration 8000-12000mg/L.
Add alkali pool, described plus alkali pool water inlet is connected with the outfall sewer of conditioning tank, also sets up in described plus alkali pool There is sodium hydroxide adding tube;The sodium hydroxide adding tube is used to connect sodium hydroxide add-on system, by setting flowmeter come really Surely plus the caustic dosage of alkali pool should add certainly and be also provided with pH value sensor in alkali pool for detecting pH value.
Coagulating basin, pipeline is connected between the water inlet of the coagulating basin and the water outlet for adding alkali pool, is set on the coagulating basin It is equipped with PAC adding tube and PAM adding tube;PAC add-on system and PAM add-on system are separately connected PAC adding tube and PAM addition Pipe, and can be added by current conventional metering pump.
One heavy pond, pipeline is connected between the water inlet and the water outlet of coagulating basin in a heavy pond, and the bottom in a heavy pond is set Sludge outlet is set, the sludge in a heavy pond is drained into sludge-tank;
Intermediate pool, the water inlet of the intermediate pool and a heavy pond overflow outlet;
Reaction tank, the reaction tank include the pond body 1 of rectangle, and the top of the pond body 1 is provided with leakage fluid dram 10, pond body 1 Outside be provided with cofferdam 9, form drain between the cofferdam 9 and the outside of pond body 1, the drain and leakage fluid dram 10 It is connected: is placed with iron carbon filler bracket 2 in the pond body 1, the top of the iron carbon filler bracket 2, which is provided with, is facilitated the iron Carbon filler bracket 2 is lifted out the lifting device outside pond body 1, and the iron carbon filler bracket 2 includes outer with 1 shape adaptation of pond body Frame 221, the bottom of the outer framework 221 are placed on the bottom of pond body 1, are from bottom to top provided with cloth on the outer framework 221 Water plate 21 and iron carbon filler stacking adapter 22, multiple water distributing pores are provided on the water distributing plate 21, and the iron carbon filler stacks dress Setting 22 includes the drawer 222 that several are stacked up and down, is provided with several groups card slot 227, the drawer on the outer framework 221 222 edge pull is installed in the card slot 227 of corresponding group, several perforations up and down are provided in each drawer 222 Hole 224, multiple iron carbon particles 223 are placed in each drawer 222, and the diameter of through hole 224 is less than the straight of iron carbon particle 223 Diameter exists between the top of the iron carbon particle 223 in the bottom and lower layer's drawer 222 of the drawer 222 on upper layer and facilitates iron carbon particle The 223 bounce gaps moved up and down, are provided with upper cover plate 225 on the outer framework 221 of the top of the drawer 222 of top layer, Several through holes 224 up and down are provided on the upper cover plate 225, it is molten that the middle part of the pond body 1 is provided with ferrous sulfate Liquid chemical feed pipe 5, hydrogen peroxide chemical feed pipe 6, sulfuric acid chemical feed pipe 4 and sewage inlet pipe 3, the ferrous sulfate solution chemical feed pipe 5, dioxygen Water chemical feed pipe 6, sulfuric acid chemical feed pipe 4 and sewage inlet pipe 3 are extending vertically into downwards the lower section of water distributing plate 21, the sewage inlet pipe 3 are connected by centrifugal pump 8 with the water outlet of intermediate pool, are provided with gas-liquid on the vertical pipe section 74 of the sewage inlet pipe 3 and are penetrated Flow device 7;
As shown in Figures 2 to 5, the lifting device includes 12 He of left movable pulley for being fixed on 2 top of iron carbon filler bracket Right movable pulley 17, the top of the pond body 1 are respectively fixed with left fixed pulley 13 and right fixed pulley 16, the left movable pulley 12, the right side It is wound between movable pulley 17, left fixed pulley 13 and right fixed pulley 16 and promotes traction rope 14, one end of the promotion traction rope 14 is solid It is scheduled on the outside of pond body 1, the other end for promoting traction rope 14, which is wrapped in, to be promoted on reel 15, which is fixed on The outside of pond body 1.Iron carbon filler bracket 2 can be left the water by rotating and upgrading reel 15, then again can by crane To hang iron carbon filler bracket 2, it is provided with hangers on outer framework 221, for facilitating crane to hang.
Several criss-cross dividers 226 are provided on the drawer 222, which divides drawer 222 For several placement spaces, it is provided at least one described through hole 224 on each placement space, is placed in each placement space There is the iron carbon particle 223 equal with 224 quantity of through hole.One through hole 224 of each placement space in the present embodiment, and it is corresponding One iron carbon particle 223 is set.
As shown in Figure 4 and Figure 5, the gas-liquid ejector 7 includes the ejector ontology 71 being vertically arranged, the ejector sheet The upper end of body 71 is provided with water inlet 72, and lower end is provided with water outlet 73, and the middle part of the ejector ontology 71 is provided with tonifying Qi Pipe, the quantity of the blowdown pipe be it is multiple, the liquid pressure ejector ontology 71 inside is less than atmospheric pressure, the tonifying Qi Pipe includes vertical pipe section 74 and inclination pipeline section 75, and the upper end of the inclination pipeline section 75 is bigger diameter end, and lower end is miner diameter end, described to incline The bigger diameter end of inclined tube section 75 is equal with the diameter of vertical pipe section 74 and is connected with each other, the miner diameter end and jet stream of the inclination pipeline section 75 The middle part of device ontology 71 is connected, and the upper end opening of vertical pipe section 74 and is arranged upward.It is perpendicular since sewage water inlet pipe has one section Straight section, therefore, sewage, in addition to the fluid pressure by centrifugal pump 8, but also are affected by gravity when vertical section is flowed, because This, as long as the liquid pressure in vertical section is less than atmospheric pressure to be made then liquid will generate suction during flowing Outside control is entered eventually into reaction tank and is aerated by entering in sewage water inlet pipe inside gas-liquid ejector 7.Such as Fig. 2 institute Show, the bottom of the moisturizing plate is additionally provided with water inlet distribution pipe, which connect with the lower end that waste water enters pipe, should be into Water distribution, which includes one, enters the water inlet supervisor 31 that pipe is welded and fixed with waste water, be welded on water inlet supervisor 31 several with into Water is responsible for 31 vertical water inlets and is in charge of 32, and water inlet, which is in charge of on 32, is provided with several apopores, which can will give up Water distribution is to the bottom of moisturizing plate, the through hole impacted on drawer 222 behind the flow-disturbing hole of moisturizing plate of waste water more evenly 224,223 surface of shocked iron carbon particle more evenly.
As shown in Fig. 2, the top of the pond body 1 is removably fixed with and bracket 11 is auxiliarily fixed, bracket 11 is auxiliarily fixed in this The fixed ferrous sulfate solution chemical feed pipe 5, hydrogen peroxide chemical feed pipe 6, sulfuric acid chemical feed pipe 4 and sewage inlet pipe 3, the water distributing plate 21 bottom is additionally provided with water inlet distribution pipe, which connect with the lower end of sewage inlet pipe 3, the water inlet distribution pipe packet The water inlet being welded and fixed with sewage inlet pipe 3 supervisor 31 is included, is welded with several and water inlet supervisor 31 on water inlet supervisor 31 Vertical water inlet is in charge of 32, and water inlet, which is in charge of on 32, is provided with several apopores.
The processing system further includes cache pool, and the water outlet of the intermediate pool passes through caching circulation duct and cache pool The water outlet of water inlet connection, cache pool is connected to by reflux line with the water inlet of centrifugal pump 8.Certainly, the water outlet of intermediate pool It can be selected by valve, valve is set on reflux line and caching circulation duct, is beaten when needing to flow into cache pool The valve on caching circulation duct is opened, closes the inlet valve of reaction tank of course simultaneously, such sewage just flows into cache pool.And valve The use of door is also current conventional usage mode, is the prior art, then this is not repeated.
Add-alkali concrete sedimentating pond, pipeline connects between the water inlet in the add-alkali concrete sedimentating pond and the drain of reaction tank It is logical, PAC adding tube, PAM adding tube and sodium hydroxide adding tube, add-alkali concrete sedimentating pond are provided on the add-alkali concrete sedimentating pond Bottom be provided with sludge outlet;
The water inlet of UASB reactor, the UASB reactor is connected to the water outlet in add-alkali concrete sedimentating pond, the UASB Reactor is provided with sludge reuse entrance;UASB reactor is current conventional equipment.
Contact-oxidation pool, the water inlet of the contact-oxidation pool are connected to the water outlet pipeline of the UASB reactor, the contact The sludge reflux outlet of oxidation pond is connected to the sludge reuse inlet duct of the UASB reactor,
Secondary settling tank, the water inlet of the secondary settling tank are connected to the water outlet pipeline of contact-oxidation pool, and the bottom of the secondary settling tank is set It is equipped with sludge outlet, the water outlet of secondary settling tank by discharge pipe direct emission or is sent into evaporator;
Sludge-tank, the entrance of the sludge-tank are connected to the sludge outlet of a heavy pond, add-alkali concrete sedimentating pond, secondary settling tank, dirty The outlet of mud sump is conveyed to the concentration basin of plate type pressure filter by sludge conveying system, and the water outlet of concentration basin passes through return line Circuit is to conditioning tank.The supernatant of secondary settling tank can be with direct emission or by discharging again after evaporative condenser.
Embodiment 2
A kind of high grade oxidation method for treating water based on light electrolysis, the processing method are to have used above-mentioned processing system, Itself the following steps are included:
S1, the sewage of certain enterprise is sent into conditioning tank and is deployed, make the COD concentration 8000mg/L of the water in conditioning tank, ammonia Nitrogen concentration 300mg/L, total phosphorus 50mg/L, pH=4;
S2, it is formulated after sewage be sent to plus alkali pool in, toward add alkali pool in sodium hydroxide is added, make the pH value in sewage Reach 8.5;
Sewage in S3 plus alkali pool is flowed into flocculation basin, be added into flocculation basin the PAC solution of 10% mass ratio with 0.1% mass ratio PAM solution, wherein the additive amount of PAC is 100ppm, and the additive amount of PAM is 1ppm
S4, it the sewage in flocculation basin is drained into a heavy pond carries out primary sedimentation, the sludge precipitated is sent to dirt In mud sump, supernatant overflow is sent in intermediate pool;
S5, intermediate pool sewage the bottom of pond to reaction tank, sewage water inlet pipe are vertically fed by centrifugal pump and sewage water inlet pipe On gas-liquid ejector 7 air is brought into reaction tank, placed iron carbon filler bracket 2, iron carbon filler bracket 2 in reaction tank Drawer 222 in placed multiple iron carbon particles 223;The sulfuric acid of 50% mass percent is persistently added in reaction to reaction tank Bottom of pond makes the pH value of reaction tank be maintained at 2.5;The ferrous sulfate solution of the mass fraction 50% of chemical conversion is added to reaction simultaneously The bottom of pond in pond;The hydrogen peroxide that the mass fraction of cash purchase is 30% is added to the bottom of pond of reaction tank again;Dirt in sewage air inlet pipe Water carries air and forms water column and minute bubbles after the fill hole 211 of water distributor, and minute bubbles and water column from bottom to top impact It carries out carrying out iron-carbon micro-electrolysis and Fenton's reaction in reaction tank after iron carbon particle 223;
S6, the sewage after iron-carbon micro-electrolysis and Fenton's reaction is discharged by 10 overflow of leakage fluid dram on reaction tank top plus alkali In coagulative precipitation tank, sodium hydroxide is first added toward add-alkali concrete sedimentating pond, the pH value in sewage is made to reach 8.5, it is then past again to add The PAC solution and 0.1% mass ratio PAM solution of 10% mass ratio are added in alkali coagulative precipitation tank, wherein the additive amount of PAC is The additive amount of 150ppm, PAM are 2ppm;Sewage drains into supernatant in UASB reactor after flocculation sedimentation half an hour, should The pH value when water outlet of supernatant is controlled 7, and the sludge of precipitating is discharged into sludge-tank;
S7, anaerobic reaction is carried out in UASB reactor through the processed sewage of step S6, water temperature controls the dissolution at 20 DEG C Oxygen is controlled in 0.3mg/L;
S8, it is sent into contact-oxidation pool by step S7 treated sewage and handles sewage again using contact oxidation method, The activated sludge in contact-oxidation pool, which is fed in UASB reactor, simultaneously participates in anaerobic reaction;
S9, it being sent in secondary settling tank and precipitates through the processed sewage of step S8, the sludge after precipitating is discharged into sludge-tank, on Standard emission of clear or be passed through in evaporator as required discharges after evaporative condenser;Concentration is sent to after collecting sludge in sludge-tank Plate type compressor compresses after being concentrated in pond, the sewage that filters pressing obtains are discharged into conditioning tank.
After above-mentioned technical proposal, the effect of the utility model is: the processing method has used above-mentioned processing system System, iron-carbon micro-electrolysis, Fenton's reaction, anaerobic reaction, aerobic reaction are combined, and continuous processing can be achieved in this way containing difficult to degrade Substance and high COD concentration sewage, iron-carbon micro-electrolysis is carried out in reaction tank and when Fenton's reaction, it is existing to reduce filler passivation As that can keep efficiently reacting for a long time, reduce the addition of ferrous sulfate, the reaction time is shorter.
Wherein, in the present embodiment, the high grade oxidation method for treating water further includes iron carbon filler acid washing method, acquisition reaction The inflow and outflow assay COD concentration in pond starts acid washing method, at this time when the COD removal rate of reaction tank is less than 40% The sewage of intermediate pool, which is passed into cache pool, to be cached, and sulfuric acid is continuously added into reaction tank, monitors the pH value of reaction tank, when pH value exists Sewage in cache pool, is sent by the pickling time for keeping 2.5 hours when 2.0 after stopping acid adding after pickling by centrifugal pump 8 To the sewage water inlet pipe of reaction tank, then it is anti-to be continually fed into progress iron-carbon micro-electrolysis and Fenton in reaction tank for the sewage of intermediate pool It answers, cache pool keeps enough spatial caches, and sewage in pickling time, the method for treating water contain acid washing method next time, this Sample, when after a period of use, there is certain passivation phenomenon in 223 surface of iron carbon particle, by monitor the removal rate of COD come Determine whether that passivation is serious, then by switching water flow route, cached using cache pool, sulphur can be thus added in reaction tank Acid reduces pH value, meets acid washing conditions, when pickling 2.5 small after eliminate the passivation layer on 223 surface of iron carbon particle, in this way Ensure that subsequent light electrolysis effect is more preferable.
Preferably, the method for treating water further includes the replacing options of iron carbon filler, after when overpickling 2 small followed by Continuous sampling analysis inflow and outflow COD concentration, when 2 small after COD removal rate compare the COD removal monitored when last time pickling Rate decline or at this time COD removal rate are still less than 50%, after iron carbon filler bracket 2 is left the water by promotion traction rope 14 It is lifted on ground by crane again, places into continuation iron carbon in reaction tank after iron carbon particle 223 is replaced after extraction drawer 222 Light electrolysis and Fenton's reaction, the replacing options are more fairly simple, needed replacing by the comparison determination of COD removal rate twice Then time is left the water iron carbon filler bracket 2 by promoting traction rope 14, then more using the pull installation of drawer 222 Internal iron carbon particle 223 is changed, light electrolysis is enable really to be applied in actual sewage treatment process for a long time
Embodiment 3
A kind of high grade oxidation method for treating water based on light electrolysis, the processing method are to have used above-mentioned processing system, Itself the following steps are included:
S1, the sewage of certain enterprise is sent into conditioning tank and is deployed, make the COD concentration 12000mg/L of the water in conditioning tank, ammonia Nitrogen concentration 500mg/L, total phosphorus 100mg/L, PH=5;
S2, it is formulated after sewage be sent to plus alkali pool in, toward add alkali pool in sodium hydroxide is added, make the pH value in sewage Reach 10;
Sewage in S3 plus alkali pool is flowed into flocculation basin, be added into flocculation basin the PAC solution of 10% mass ratio with 0.1% mass ratio PAM solution, wherein the additive amount of PAC is 400ppm, and the additive amount of PAM is 5ppm
S4, it the sewage in flocculation basin is drained into a heavy pond carries out primary sedimentation, the sludge precipitated is sent to dirt In mud sump, supernatant overflow is into intermediate pool;
S5, intermediate pool sewage the bottom of pond to reaction tank, sewage water inlet pipe are vertically fed by centrifugal pump and sewage water inlet pipe On gas-liquid ejector 7 air is brought into reaction tank, placed iron carbon filler bracket 2, iron carbon filler bracket 2 in reaction tank Drawer 222 in placed multiple iron carbon particles 223;The sulfuric acid of 50% mass percent is persistently added in reaction to reaction tank Bottom of pond makes the pH value of reaction tank be maintained at 3.5;The ferrous sulfate solution of the mass fraction 50% of chemical conversion is added to reaction simultaneously The bottom of pond in pond;The hydrogen peroxide that the mass fraction of cash purchase is 30% is added to the bottom of pond of reaction tank again;
Sewage in sewage air inlet pipe carries air and forms water column and minute bubbles after the fill hole 211 of water distributor, Minute bubbles and water column from bottom to top carry out carrying out iron-carbon micro-electrolysis and Fenton's reaction in reaction tank after shocked iron carbon particle 223;
S6, the sewage after iron-carbon micro-electrolysis and Fenton's reaction is discharged by 10 overflow of leakage fluid dram on reaction tank top plus alkali In coagulative precipitation tank, sodium hydroxide is first added toward add-alkali concrete sedimentating pond, the pH value in sewage is made to reach 9, it is then past again to add alkali The PAC solution and 0.1% mass ratio PAM solution of 10% mass ratio are added in coagulative precipitation tank, wherein the additive amount of PAC is The additive amount of 400ppm, PAM are 4.5ppm;Sewage drains into supernatant in UASB reactor after flocculation sedimentation half an hour, The pH value when water outlet of the supernatant is controlled 8, and the sludge of precipitating is discharged into sludge-tank;
S7, anaerobic reaction is carried out in UASB reactor through the processed sewage of step S6, water temperature controls the dissolution at 40 DEG C Oxygen is controlled in 0.6mg/L;
S8, it is sent into contact-oxidation pool by step S7 treated sewage and handles sewage again using contact oxidation method, The activated sludge of contact-oxidation pool is sent in UASB reactor simultaneously;
S9, it being sent in secondary settling tank and precipitates through the processed sewage of step S8, the sludge after precipitating is discharged into sludge-tank, on Standard emission of clear or be passed through in evaporator as required discharges after evaporative condenser;Concentration is sent to after collecting sludge in sludge-tank Plate type compressor compresses after being concentrated in pond, the sewage that filters pressing obtains are discharged into conditioning tank.
The present embodiment also includes acid washing method and replacing options, and method and step is same as Example 2, only, Yi Xiecan Number slightly adjusts, and when the COD removal rate of reaction tank is less than 40%, is continuously added into sulfuric acid in reaction tank, monitors the pH of reaction tank Value, pickling time when keeping 2.5 small after stopping acid adding when pH value is 2.0,223 surface of iron carbon particle occurs certain Passivation phenomenon determines whether that passivation is serious by monitoring the removal rate of COD, then by switching water flow route, utilizes caching Pond caching thus can reduce pH value, meet acid washing conditions in reaction tank plus sulfuric acid, when pickling 2.5 small after remove The passivation layer on 223 surface of iron carbon particle, ensures that subsequent light electrolysis effect is more preferable in this way.
Wherein, the method for treating water further includes the replacing options of iron carbon filler, is further continued for after when overpickling 2 small Sampling analysis inflow and outflow COD concentration, when 2 small after COD removal rate COD removal rate for monitoring when comparing last time pickling Decline or at this time COD removal rate are still less than 50%, so that it is determined that needing replacing, and are replaced using above-mentioned replacing options.
Embodiment 3
A kind of high grade oxidation method for treating water based on light electrolysis, the processing method are to have used above-mentioned processing system, Itself the following steps are included:
S1, the sewage of certain enterprise is sent into conditioning tank and is deployed, make the COD concentration 10000mg/L of the water in conditioning tank, ammonia Nitrogen concentration 400mg/L, total phosphorus 80mg/L, PH=4.5;
S2, it is formulated after sewage be sent to plus alkali pool in, toward add alkali pool in sodium hydroxide is added, make the pH value in sewage Reach 9;
Sewage in S3 plus alkali pool is flowed into flocculation basin, be added into flocculation basin the PAC solution of 10% mass ratio with 0.1% mass ratio PAM solution, wherein the additive amount of PAC is 280ppm, and the additive amount of PAM is 4ppm
S4, it the sewage in flocculation basin is drained into a heavy pond carries out primary sedimentation, the sludge precipitated is sent to dirt In mud sump, supernatant is sent in reaction tank by centrifugal pump 8;
S5, intermediate pool sewage the bottom of pond to reaction tank, sewage water inlet pipe are vertically fed by centrifugal pump and sewage water inlet pipe On gas-liquid ejector 7 air is brought into reaction tank, placed iron carbon filler bracket 2, iron carbon filler bracket 2 in reaction tank Drawer 222 in placed multiple iron carbon particles 223;The sulfuric acid of 50% mass percent is persistently added in reaction to reaction tank Bottom of pond makes the pH value of reaction tank be maintained at 3;The ferrous sulfate solution of the mass fraction 50% of chemical conversion is added to reaction tank simultaneously Bottom of pond;The hydrogen peroxide that the mass fraction of cash purchase is 30% is added to the bottom of pond of reaction tank again;
Sewage in sewage air inlet pipe carries air and forms water column and minute bubbles after the fill hole 211 of water distributor, Minute bubbles and water column from bottom to top carry out carrying out iron-carbon micro-electrolysis and Fenton's reaction in reaction tank after shocked iron carbon particle 223;
S6, the sewage after iron-carbon micro-electrolysis and Fenton's reaction is discharged by 10 overflow of leakage fluid dram on reaction tank top plus alkali In coagulative precipitation tank, sodium hydroxide is first added toward add-alkali concrete sedimentating pond, the pH value in sewage is made to reach 8.8, it is then past again to add The PAC solution and 0.1% mass ratio PAM solution of 10% mass ratio are added in alkali coagulative precipitation tank, wherein the additive amount of PAC is The additive amount of 300ppm, PAM are 4ppm;Sewage drains into supernatant in UASB reactor after flocculation sedimentation half an hour, should The pH value when water outlet of supernatant is controlled 7.5, and the sludge of precipitating is discharged into sludge-tank;
S7, anaerobic reaction being carried out in UASB reactor through the processed sewage of step S6, water temperature is controlled at 20-40 DEG C, Dissolved oxygen is controlled in 0.5mg/L;
S8, it is sent into contact-oxidation pool by step S7 treated sewage and handles sewage again using contact oxidation method, The activated sludge in contact-oxidation pool is sent in UASB reactor simultaneously;
S9, it being sent in secondary settling tank and precipitates through the processed sewage of step S8, the sludge after precipitating is discharged into sludge-tank, on Standard emission of clear or be passed through in evaporator as required discharges after evaporative condenser;Concentration is sent to after collecting sludge in sludge-tank Plate type compressor compresses after being concentrated in pond, the sewage that filters pressing obtains are discharged into conditioning tank.
Wherein the parameter of iron carbon filler acid washing method, which is pH value, stops the pickling that 2.3 hours are kept after acid adding when being 2.0 Sewage in cache pool is sent to the sewage water inlet pipe of reaction tank, the then dirt of intermediate pool by the time by centrifugal pump 8 after pickling Water, which is continually fed into reaction tank, carries out iron-carbon micro-electrolysis and Fenton's reaction, and cache pool keeps enough lower hypo acids of spatial cache Sewage in the time is washed, which contains acid washing method, in this way, ought after a period of use, 223 surface of iron carbon particle There is certain passivation phenomenon, determines whether that passivation is serious by monitoring the removal rate of COD, then pass through switching water flow road Line is cached using cache pool, and sulfuric acid can be thus added in reaction tank, pH value is reduced, meets acid washing conditions, when pickling 2.3 The passivation layer on 223 surface of iron carbon particle is eliminated after a hour, ensures that subsequent light electrolysis effect is more preferable in this way.
It wherein, is current process relative to a upper technique in the corresponding subsequent percentage of number in that column of COD content Removal rate.
Embodiment described above is only the description to preferred embodiments of the present invention, not as to the utility model The restriction of range is made technical solutions of the utility model various on the basis of not departing from the spirit of the design of the utility model Deformation and transformation should all be fallen into the protection scope of claims determination of the utility model.

Claims (6)

1. a kind of advanced oxidation water treatment system based on light electrolysis, it is characterised in that: including
Conditioning tank, the conditioning tank are provided with water inlet manifold and outfall sewer;
Add alkali pool, described plus alkali pool water inlet is connected with the outfall sewer of conditioning tank, is additionally provided with hydrogen in described plus alkali pool Sodium oxide molybdena adding tube;
Coagulating basin, pipeline is connected between the water inlet of the coagulating basin and the water outlet for adding alkali pool, is provided on the coagulating basin PAC adding tube and PAM adding tube;
One heavy pond, pipeline is connected between the water inlet and the water outlet of coagulating basin in a heavy pond, and the bottom in a heavy pond is provided with Sludge outlet;
Intermediate pool, the water inlet of the intermediate pool and a heavy pond overflow outlet;
Reaction tank, the reaction tank include the pond body of rectangle, and the top of the pond body is provided with leakage fluid dram, the external setting of pond body There is cofferdam, form drain between the cofferdam and the outside of pond body, which is connected with leakage fluid dram: the pond body It is inside placed with iron carbon filler bracket, is provided with to facilitate at the top of the iron carbon filler bracket iron carbon filler support lift is gone out into pond Lifting device outside body, the iron carbon filler bracket include the outer framework with pond body shape adaptation, the bottom of the outer framework It is placed on the bottom of pond body, water distributing plate and iron carbon filler stacking adapter, the water distribution are from bottom to top provided on the outer framework Multiple water distributing pores are provided on plate, the iron carbon filler stacking adapter includes the drawer that several are stacked up and down, the outer framework On be provided with several groups card slot, the edge pull of the drawer is installed in the card slot of corresponding group, if being provided in each drawer A through hole up and down is done, one layer of spherical iron carbon particle is placed in each drawer, the diameter of through hole is less than iron carbon The diameter of particle exists between the top of the iron carbon particle in the bottom and lower layer's drawer of the drawer on upper layer and facilitates in iron carbon particle The bounce gap of lower bounce, is provided with upper cover plate on the outer framework of the top of the drawer of top layer, is arranged on the upper cover plate Have several through holes up and down, be provided in the middle part of the pond body ferrous sulfate solution chemical feed pipe, hydrogen peroxide chemical feed pipe, Sulfuric acid chemical feed pipe and sewage inlet pipe, the ferrous sulfate solution chemical feed pipe, hydrogen peroxide chemical feed pipe, sulfuric acid chemical feed pipe and sewage into Enter the lower section that pipe is extending vertically into downwards water distributing plate, the sewage inlet pipe is connected by centrifugal pump with the water outlet of intermediate pool It is logical, gas-liquid ejector is provided on the vertical pipe section of the sewage inlet pipe;
Add-alkali concrete sedimentating pond, pipeline is connected between the water inlet and the drain of reaction tank in the add-alkali concrete sedimentating pond, PAC adding tube, PAM adding tube and sodium hydroxide adding tube are provided on the add-alkali concrete sedimentating pond, add-alkali concrete sedimentating pond Bottom is provided with sludge outlet;
The water inlet of UASB reactor, the UASB reactor is connected to the water outlet in add-alkali concrete sedimentating pond, the UASB reaction Device is provided with sludge reuse entrance;
Contact-oxidation pool, the water inlet of the contact-oxidation pool are connected to the water outlet pipeline of the UASB reactor, the catalytic oxidation The sludge reflux outlet in pond is connected to the sludge reuse inlet duct of the UASB reactor,
Secondary settling tank, the water inlet of the secondary settling tank are connected to the water outlet pipeline of contact-oxidation pool, and the bottom of the secondary settling tank is provided with The water outlet of sludge outlet, secondary settling tank by discharge pipe direct emission or is sent into evaporator;
Sludge-tank, the entrance of the sludge-tank are connected to the sludge outlet of a heavy pond, add-alkali concrete sedimentating pond, secondary settling tank, sludge-tank Outlet the concentration basin of plate type pressure filter is conveyed to by sludge conveying system, the sludge outlet of concentration basin is sent into plate by pipeline Formula filter press.
2. a kind of advanced oxidation water treatment system based on light electrolysis as described in claim 1, it is characterised in that: the promotion Device includes the left movable pulley and right movable pulley for being fixed on iron carbon filler cradle top, is respectively fixed with a left side at the top of the pond body Fixed pulley and right fixed pulley are wound with promotion traction between the left movable pulley, right movable pulley, left fixed pulley and right fixed pulley Rope, one end of the promotion traction rope are fixed on the outside of pond body, and the other end for promoting traction rope, which is wrapped in, to be promoted on reel, should Promote the outside that reel is fixed on pond body.
3. a kind of advanced oxidation water treatment system based on light electrolysis as claimed in claim 2, it is characterised in that: the drawer On be provided with several criss-cross dividers, which is divided into several placement spaces for drawer, and each placement is empty Between it is upper be provided at least one described through hole, the iron carbon particle equal with hole number is penetrated through is placed in each placement space.
4. a kind of advanced oxidation water treatment system based on light electrolysis as claimed in claim 3, it is characterised in that: the gas-liquid Ejector includes the ejector ontology being vertically arranged, and the upper end of the ejector ontology is provided with water inlet, and lower end is provided with out The mouth of a river, is provided with blowdown pipe in the middle part of the ejector ontology, the quantity of the blowdown pipe be it is multiple, in the ejector ontology The liquid pressure in portion is less than atmospheric pressure, and the blowdown pipe includes vertical pipe section and inclination pipeline section, the upper end of the inclination pipeline section For bigger diameter end, lower end is miner diameter end, and the bigger diameter end of the inclination pipeline section is equal with the diameter of vertical pipe section and is connected with each other, described It tilts and is connected in the middle part of the miner diameter end and ejector ontology of pipeline section, the upper end opening of vertical pipe section and be arranged upward.
5. a kind of advanced oxidation water treatment system based on light electrolysis as claimed in claim 4, it is characterised in that: the pond body Top be removably fixed with bracket be auxiliarily fixed, the fixed ferrous sulfate solution chemical feed pipe of bracket is auxiliarily fixed in this, hydrogen peroxide adds Pencil, sulfuric acid chemical feed pipe and sewage inlet pipe, the bottom of the water distributing plate are additionally provided with water inlet distribution pipe, the water inlet distribution pipe with The lower end of sewage inlet pipe connects, which includes one and be responsible for the water inlet that sewage inlet pipe is welded and fixed, water inlet It is welded with several water inlets vertical with water inlet supervisor on supervisor to be in charge of, water inlet, which is in charge of, is provided with several apopores.
6. a kind of advanced oxidation water treatment system based on light electrolysis as claimed in claim 5, it is characterised in that: the processing System further includes cache pool, and the water outlet of the intermediate pool is connected to by caching circulation duct with the water inlet of cache pool, is cached The water outlet in pond is connected to by reflux line with the water inlet of centrifugal pump.
CN201820759227.8U 2018-05-21 2018-05-21 A kind of advanced oxidation water treatment system based on light electrolysis Active CN208345997U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108439723A (en) * 2018-05-21 2018-08-24 张家港市清泉水处理有限公司 A kind of advanced oxidation water treatment system and its processing method based on light electrolysis
CN113184974A (en) * 2021-05-18 2021-07-30 北京国环莱茵环保科技股份有限公司 Fenton advanced oxidation method adopting MBBR carrier

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108439723A (en) * 2018-05-21 2018-08-24 张家港市清泉水处理有限公司 A kind of advanced oxidation water treatment system and its processing method based on light electrolysis
CN113184974A (en) * 2021-05-18 2021-07-30 北京国环莱茵环保科技股份有限公司 Fenton advanced oxidation method adopting MBBR carrier

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