CN204752289U - Little electrolysis reaction unit of continuous flow based on indisputable carbon filler of module formula improvement - Google Patents
Little electrolysis reaction unit of continuous flow based on indisputable carbon filler of module formula improvement Download PDFInfo
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- CN204752289U CN204752289U CN201520498626.XU CN201520498626U CN204752289U CN 204752289 U CN204752289 U CN 204752289U CN 201520498626 U CN201520498626 U CN 201520498626U CN 204752289 U CN204752289 U CN 204752289U
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Abstract
The utility model discloses a little electrolysis reaction unit of continuous flow based on indisputable carbon filler of module formula improvement belongs to the environment -friendly water treatment field, and it has been solved and has had little electrolytic device now easily because of the filler change causes the reduction of waste water treatment effect, the change of packing is difficult, use for a long time leads to the condemned problem of whole reactor even after use a period. The utility model discloses the device is equipped with the air supply pipe interface including major structure, inlet tube, reactor, sludge hopper and mud pipe on the major structure, the top that is close to the air supply pipe interface is equipped with the horizontal support point, the reactor includes react unit, react unit is from up be equipped with aeration equipment, glass steel grid backup pad and the indisputable carbon filler of module formula improvement down in proper order. The utility model has the characteristics of simple structure, the installation of packing is changed and make things convenient for, is passivateed, is agglomerated, and the aeration hole is difficult to be blockked up, and reactor does not have short district, a blind spot of flowing, and continuous operation, treatment effect are stably etc, but wide application in waste water purification treatment engineerings such as printing and dyeing, chemical industry, electroplating.
Description
Technical field
The present invention relates to the purifying treatment engineering as industry waste water such as printing and dyeing, chemical industry, plating, coking, belong to environment-protective water process field, be related specifically to a kind of continuous flow micro electrolytic reaction device based on module type improvement iron carbon filler.
Background technology
Micro-electrolysis method also known as internal electrolysis or iron chip filter, be last century the seventies to be ruled together a kind of sewage treatment process that mining company invents first by Japan, at first for the purifying treatment of heavy metal and electroplating wastewater.Micro-electrolysis method is a kind of ideal technology of current environment-protective water process field process high density, high chroma, supersalinity, high heavy metal ion, difficult for biological degradation organic waste water.
The reaction mechanism of light electrolysis processes waste water based on the acting in conjunction of electrochemistry, oxidation-reduction, physical adsorption and flocculation sediment.When waste water fully contacts with iron-carbon micro-electrolysis filler, owing to there is the difference in Electrode Potential of 1.2v between iron and carbon, numerous micro-galvanic cell in waste water, can be formed, with the low iron of current potential for negative electrode, the carbon that current potential is high is anode, in containing the aqueous solution of acidic electrolyte bath, electrochemical reaction occurs.The nascent state atom [H] that reaction produces and Fe
2+etc. can with the many component generation redox reactions in waste water, specifically can show as and make that waste water COD reduces, BOD raises, biodegradability (B/C) improves and waste water decoloring etc.In addition, the Fe of reaction generation
2+fe can be oxidized to further
3+, add after alkali with OH
-reaction generates Fe (OH)
2with Fe (OH)
3colloid flocculation agent, the molecule disperseed in a large amount of planar water of energy, metallics and organic molecule, form more stable throw out and remove.
Chinese Patent Application No. 200720190369.9, the patent document in publication date on November 5th, 2008 discloses the vertical tower body micro-electrolysis device of a kind of sealing, be made up of intake zone, reaction zone, disengaging zone, froth breaking district, arranged in series from below to up, is column-shaped barrel, and intake zone and reaction zone are separated by air distribution plate, reaction zone is connected by flange seal with disengaging zone, sieve castor is housed between flange seal ring, and disengaging zone communicates with in the middle of froth breaking district, and surrounding is tightly connected; Wastewater inlet and compressed air inlet is provided with bottom intake zone; The reaction column that reaction zone is saved by one or multi-section structure is identical is in series, and fill iron filings and particle charcoal in each joint reaction column, respectively joint reaction column connects by flange seal, between flange seal ring, sieve grate is housed; Water outlet overflow port is provided with below the avris of disengaging zone; Froth breaking district establishes foam overflow weir, above overflow weir or bottom outside be provided with overflow port.Apply this utility model micro-electrolysis device to can be used to process organic chemical waste water, be specially adapted to the sewage containing tensio-active agent, be widely used in environmental chemical engineering field.
Chinese Patent Application No. 201120187007.0, the patent document in publication date on November 23rd, 2011 discloses a kind of micro-electrolysis device, it comprises: micro-electrolysis reaction unit, and described micro-electrolysis reaction unit has supporting layer, be positioned at micro-electrolysis stuffing above supporting layer and aerating apparatus.
, mainly there is following problem in actual applications in above-mentioned traditional micro-electrolysis reaction device:
1. the suspended particles such as traditional micro-electrolysis reaction device long-time running rear section iron carbon mud are deposited on filling surface gradually, have intercepted filler with the effective of waste water to contact, and cause water treatment effect to reduce;
2. after traditional micro-electrolysis reaction device uses for some time, its filler becomes chaotic, not only affects waste water fluidised form, affects light electrolysis effect, cause processing efficiency to decline, too increase replacement difficulty;
3. after traditional micro-electrolysis reaction device reactor runs for some time, filling surface easily forms passive film; Conventional filler in use easily softening, Song Hua, be compacted, start in reactor to occur hardening and latch up phenomenon in local, cause water treatment effect to reduce; If open-assembly time is longer, reactor monolith also may be caused to scrap.
Summary of the invention
1. the problem that will solve
Easily because filler change causes the problem that water treatment effect reduces, replacement difficulty, life-time service even cause whole reactor to be scrapped after using for some time for existing micro-electrolysis device, the invention provides a kind of continuous flow micro electrolytic reaction device based on module type improvement iron carbon filler, its structure is simple, installation and the replacing of filler are convenient, filler not passivation after life-time service, not lump, solarization air cap not easily blocks, reactor Nei Wuduanliu district, dead band produce, can run continuously for a long time, treatment effect is stablized.
2. technical scheme
The technical solution adopted in the present invention is as follows:
A kind of continuous flow micro electrolytic reaction device based on module type improvement iron carbon filler, comprise agent structure, water inlet pipe, reactor, sludge hopper and shore pipe, described sludge hopper is arranged on the bottom of agent structure, described shore pipe is connected with bottom sludge hopper, described water inlet pipe is arranged on the side of agent structure lower end, it is characterized in that: described agent structure is provided with air-supply duct interface, the top near air-supply duct interface on agent structure inwall is provided with horizontal support point; Described horizontal support point is inwardly protruding structure, and level is distributed on agent structure inwall; Described reactor is arranged on agent structure inside, comprises reaction member; Described reaction member is provided with aerating apparatus, glass reinforced plastic grizzly bar back up pad and module type improvement iron carbon filler from the bottom up successively;
Described aerating apparatus comprises aeration main and perforation arm; Described aeration main is connected with air-supply duct interface; Described perforation arm is vertically mounted on the both sides of aeration main, and its inside communicates with aeration main, perforation arm and plane-parallel;
Described glass reinforced plastic grizzly bar back up pad is placed on horizontal support point;
Described module type improvement iron carbon filler is placed in glass reinforced plastic grizzly bar back up pad, and it comprises improvement iron-carbon micro-electrolysis filler unit and module type PVC bracket; Described module type PVC bracket is provided with the slot of vertical direction; Described improvement iron-carbon micro-electrolysis filler cellular installation is in slot;
The top of described agent structure is provided with overflow groove, and overflow groove is provided with rising pipe.
Preferably, the cross section of described agent structure is square, and agent structure is by stainless steel or glass reinforced plastic manufacture, and its liner is the preservative coat of steel and concrete structure; Described reactor comprises 3 ~ 6 layers of reaction member.
Preferably, described horizontal support point arranges 2 ~ 4 equably respectively at interval of 250 ~ 400mm on the vertical direction of agent structure four inwalls, establishes altogether 3 ~ 6 layers; Described air-supply duct interface is arranged on the position of center line of any one inner-wall surface vertical direction of agent structure, air-supply duct interface with on same inwall, the distance of the horizontal support point of the side of being located thereon is 50 ~ 100mm.
Preferably, one end of described aeration main is provided with plastic nut fastening piece, and is connected with air-supply duct interface by plastic nut fastening piece.
Preferably, the quantity of described perforation arm is 8 ~ 10 right, and its cross section is circular; Described is provided with air feed micropore with the perforation arm lower surface of plane-parallel; Described air feed micropore is 45 ° of angles with the vertical center line of perforation arm cross circular section, and forms one group by two, is symmetrically distributed in vertical line both sides; The air feed micropore of described two compositions one group respectively has 7 ~ 9 groups on each root perforation arm.
Preferably, the profile of described glass reinforced plastic grizzly bar back up pad is corresponding with the cross section of agent structure, and its thickness is 15 ~ 25mm.
Preferably, described improvement iron-carbon micro-electrolysis filler unit is the sheet structure of high-temperature firing (more than 1050 DEG C), every sheet physical dimension is: 140mm (length) × 140mm (wide) × 8mm (thick), and its composition comprises copper powder; The physical dimension of described module type PVC bracket is: 150mm (length) × 150mm (wide) × 150mm (height).
Preferably, in every one deck reaction member, the quantity of described module type improvement iron carbon filler is 100 ~ 300, and the quantity of described improvement iron-carbon micro-electrolysis filler unit is 600 ~ 1800.
Based on an application method for the continuous flow micro electrolytic reaction device of module type improvement iron carbon filler, the steps include:
1) first regulate treatment sewage pH value to be less than 6, by pumping plant by the sewage after adjust ph by water inlet pipe injecting reactor;
2) treat step 1) in inject sewage lid cross all reaction members of reactor, stop pumping plant, close water inlet pipe;
3) open aerating apparatus and be filled with oxygen to sewage, the sewage ratio be filled with in the weight of oxygen and reactor is 5 ~ 10:1, makes sewage and reaction member fully contact and electrolytic reaction occurs;
4) rate-determining steps 3) reaction times be 30 ~ 90min;
5) opening water discharge pump, by step 4) in sewage after the reaction times discharge from rising pipe;
6) shore pipe is opened, by step 3) middle mud discharge of reacting generation.
Preferably, step 1) in regulate treatment sewage pH value to be 3 ~ 5; Step 3) in be filled with sewage in oxygen weight and reactor ratio be 10 ~ 15:1; Step 4) in control the reaction times be 45 ~ 60min.
3. beneficial effect
Compared to prior art, beneficial effect of the present invention is:
(1) structure of the present invention is simple, and filler is installed, it is convenient to change; Adopt plastic nut fastening piece fastening between air-supply duct interface reserved in aeration main and agent structure, easy disassembly is safeguarded;
(2) the present invention uses in improvement iron-carbon micro-electrolysis filler and adds copper powder, the existence of copper powder expands potential difference and the applicable pH range of micro-electrolysis reaction, namely even micro-electrolysis reaction still can be made to continue to carry out under alkaline condition at the pH partial neutral of conventional iron carbon micro-electrolysis poor effect, pollutent in waste water is decomposed under light electrolysis effect more thorough, thus make processing efficiency more excellent than traditional micro-electrolysis stuffing;
(3) improveing iron-carbon micro-electrolysis filler unit in improvement iron-carbon micro-electrolysis filler of the present invention is sheet structure, the integration of iron charcoal is formed by pyrotic smelting, compare the conventional iron charcoal micro-electrolysis stuffing of physical mixed assembly pressing, also be not easy passivation after life-time service and harden, guaranteeing that galvanic interaction carries out smoothly; In addition, when the present invention runs in real work, the improvement iron-carbon micro-electrolysis filler unit of sheet structure is parallel consistent with water (flow) direction, do not have the iron carbon mud that filler comes off be attached to filling surface and affect light electrolysis effect phenomenon occur;
(4) the improvement iron-carbon micro-electrolysis filler unit in module type improvement iron-carbon micro-electrolysis filler of the present invention is sheet structure, insert module type PVC bracket and fixedly become module type improvement iron carbon filler, can not harden or pile knot, not easily form Duan Liu district, dead band in reactor, light electrolysis stabilised efficiency is efficient; After filler in module is finished, module type PVC bracket can also reclaim, and continues to use after inserting new improvement iron-carbon micro-electrolysis filler unit;
(5) apparatus of the present invention are suitable for water quality, water yield scope is wider; The internal-response unit number of plies, and laminal filler element number in module type improvement iron carbon filler, visual waste water quality situation is held flexibly, suitably increases and decreases, and reaches the object completing optimum handling effect with minimum economic input;
(6) agent structure of the present invention is by stainless steel or glass reinforced plastic manufacture, liner steel reinforced concrete structural anticorrosion layer, long service life.
(7) the bore a hole quantity of arm of the present invention is 8 ~ 10 right, and its cross section is circular; Described is provided with air feed micropore with the perforation arm lower surface of plane-parallel, and air feed micropore can make aerating apparatus aeration even; Air feed micropore is 45 ° of angles with the vertical center line of perforation arm cross circular section, and form one group by two, symmetrically be distributed in vertical line both sides, micropore is arranged at below aeration tube, react the particulate matter come off when effectively can prevent long-term aeration to enter in pore and result in blockage, thus affect light electrolysis effect; 45° angle is arranged effectively can avoid blocking, aeration can be made again dispersed, improve reaction effect;
(8) apparatus structure of the present invention is simple, filler is installed and is changed convenience, not passivation, do not lump, solarization air cap not easily blocks, reactor Nei Wuduanliu district, dead band, the features such as continuous operation, treatment effect are stable, can be widely used in the purification of waste water process engineerings such as printing and dyeing, chemical industry, plating, coking;
(9) application method step of the present invention is simple, and easy to operate, cost is low, and good sewage processing effect is suitable for life-time service, easy to maintenance, has economy, efficiently advantage.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present invention;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is aerating apparatus structural representation of the present invention;
Fig. 4 is that the present invention bores a hole the schematic cross-section of arm;
Fig. 5 is glass reinforced plastic grizzly bar supporting plate structure schematic diagram of the present invention;
Fig. 6 is module type of the present invention improvement iron carbon filler schematic diagram.
In figure: 1, agent structure; 101, horizontal support point; 102, air-supply duct interface; 2, aerating apparatus; 201, aeration main; 202, perforation arm; 203, plastic nut fastening piece; 3, glass reinforced plastic grizzly bar back up pad; 4, module type improvement iron carbon filler; 401, iron-carbon micro-electrolysis filler unit is improved; 402, module type PVC bracket; 5, water inlet pipe; 6, overflow groove; 7, rising pipe; 8, sludge hopper; 9, shore pipe.
Embodiment
Below in conjunction with specific embodiment, the present invention is described further.
Embodiment 1
As shown in Figure 1, Figure 2, a kind of continuous flow micro electrolytic reaction device based on module type improvement iron carbon filler shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6, comprise agent structure 1, water inlet pipe 5, reactor, sludge hopper 8 and shore pipe 9, the cross section of agent structure 1 is square, manufactured by glass reinforced plastic, its liner is the preservative coat of steel and concrete structure; Sludge hopper 8 is arranged on the bottom of agent structure 1, shore pipe 9 is connected with bottom sludge hopper 8, water inlet pipe 5 is arranged on the side of agent structure 1 lower end, the vertical direction of agent structure 1 four inwalls arranges 3 horizontal support points 101 respectively equably at interval of 300mm, establish altogether 4 layers, horizontal support point 101 is inwardly protruding structure, and level is distributed on agent structure 1 inwall; The sectional dimension of horizontal support point 101 is 50mm (length) × 50mm (wide); The position of center line of any one inner-wall surface vertical direction of agent structure 1 is provided with air-supply duct interface 102, air-supply duct interface 102 with on same inwall, the distance of the horizontal support point 101 of the side of being located thereon is 80mm; It is inner that reactor is arranged on agent structure 1, comprises 4 layers of reaction member; Reaction member is provided with aerating apparatus 2, glass reinforced plastic grizzly bar back up pad 3 and module type improvement iron carbon filler 4 from the bottom up successively; The quantity of the module type improvement iron carbon filler 4 in every one deck reaction member is 200, and the quantity of the module type improvement iron carbon filler 401 in every one deck reaction member is 1200, and the quantity of the module type improvement iron carbon filler 401 in 4 layers of reaction member is 4800;
Aerating apparatus 2 comprises aeration main 201 and perforation arm 202; One end of aeration main 201 is provided with plastic nut fastening piece 203, and is connected with air-supply duct interface 102 by plastic nut fastening piece 203, and the other end stretches in agent structure 1; Perforation arm 202 is vertically mounted on the both sides of aeration main 201, and its inside communicates with aeration main 201, perforation arm 202 and plane-parallel; The quantity of perforation arm 202 is 8 right, and its cross section be circle; Air feed micropore is provided with perforation arm 202 lower surface of plane-parallel; Air feed micropore is 45 ° of angles with the vertical center line of perforation arm 202 cross circular section, and forms one group by two, is symmetrically distributed in vertical line both sides; Two air feed micropores forming a group have 7 groups;
Glass reinforced plastic grizzly bar back up pad 3 is placed on horizontal support point 101; The profile of glass reinforced plastic grizzly bar back up pad 3 is corresponding with the cross section of agent structure 1, and its thickness is 20mm;
Module type improvement iron carbon filler 4 is placed in glass reinforced plastic grizzly bar back up pad 3, and it comprises improvement iron-carbon micro-electrolysis filler unit 401 and module type PVC bracket 402; Module type PVC bracket 402 is provided with the slot of vertical direction; Improvement iron-carbon micro-electrolysis filler unit 401 is arranged in slot; Improvement iron-carbon micro-electrolysis filler unit 401 is the sheet structure of high-temperature firing more than 1050 DEG C, and every sheet apparent size is: 140mm (length) × 140mm (wide) × 8mm (thick), and its composition comprises copper powder; The physical dimension of module type PVC bracket 402 is: 150mm (length) × 150mm (wide) × 150mm (height);
The top of agent structure 1 is provided with overflow groove 6, and overflow groove 6 is provided with rising pipe 7.
Iron-carbon micro-electrolysis filler unit 401 is improved for sheet structure in the improvement iron-carbon micro-electrolysis filler 4 that the present embodiment adopts, the integration of iron charcoal is formed by pyrotic smelting, compare the conventional iron charcoal micro-electrolysis stuffing of physical mixed assembly pressing, also be not easy passivation after life-time service and harden, guaranteeing that galvanic interaction carries out smoothly;
In the present embodiment, the improvement iron-carbon micro-electrolysis filler unit 401 of sheet structure is parallel consistent with water (flow) direction, do not have the iron carbon mud that filler comes off be attached to filling surface and affect light electrolysis effect phenomenon occur;
Improvement iron-carbon micro-electrolysis filler unit 401 in the present embodiment module type improvement iron-carbon micro-electrolysis filler 4 is sheet structure, insert module type PVC bracket 402 and fixedly become module type improvement iron carbon filler 4, can not harden or pile knot, not easily form Duan Liu district, dead band in reactor, light electrolysis stabilised efficiency is efficient; After filler in module is finished, module type PVC bracket 402 can also reclaim, and continues to use after inserting new improvement iron-carbon micro-electrolysis filler unit 401;
In the present embodiment, the reaction member number of plies is 4 layers, and in module type improvement iron carbon filler, sheet improvement iron-carbon micro-electrolysis filler unit 401 quantity is 4800, in use procedure filler do not harden, passivation, good waste water treatment effect.
The application method of the present embodiment reaction unit process chemical plant high density factory effluent (this chemical plant high density factory effluent, this waste water generation is about 160t/d; PH3.2 ~ 4.3, average 3.8; COD8000 ~ 11000mg/L, average 9500mg/L; B/C<0.15, wastewater biodegradability is poor), the steps include:
1) by pumping plant by the waste water of this factory by water inlet pipe (5) injecting reactor;
2) treat step 1) in inject waste water lid cross all reaction members of reactor, stop pumping plant, close water inlet pipe (5);
3) open aerating apparatus (2) and be filled with oxygen to waste water, the waste water ratio be filled with in the weight of oxygen and reactor is 12:1, makes waste water and reaction member fully contact and electrolytic reaction occurs;
4) rate-determining steps 3) reaction times be 60min;
5) opening water discharge pump, by step 4) in waste water after the reaction times discharge from rising pipe (7);
6) shore pipe (9) is opened, by step 3) middle reaction produces and the iron carbon body refuse come off is discharged.
Detecting step 5) middle waste water of discharging, its water quality is: pH5.9, COD are 4730mg/L, COD clearance 50.2%, B/C=0.38, and wastewater biodegradability is greatly improved; In use procedure, in reactor there is not fragmentation in improvement iron carbon filler, harden phenomenon.
Above-mentioned application method step 3) in, reaction member take iron as anode, carbon (containing copper powder) is negative electrode generation micro-electrolysis reaction, and electrode reaction is as follows:
Anode (Fe): Fe-2e=Fe
2+e
0=-0.44V
Negative electrode (C): 2H
++ 2e=H
2e
0=0.34V
Because aerobic exists, therefore there is following reaction in negative electrode:
O
2+4H
++4e＝H
2OE
0＝-1.23V
O
2+2H
2O+4e＝5OH
--E
0＝0.40V
Copper powder is as cathode material, and electropotential is in acid condition: E
0=-0.34V; Electropotential under alkaline condition: E
0=-0.22V.The existence of copper powder expands potential difference and the applicable pH range of micro-electrolysis reaction, namely even micro-electrolysis reaction still can be made to continue to carry out under alkaline condition at the pH partial neutral of conventional iron carbon micro-electrolysis poor effect, the pollutent in waste water be decomposed under light electrolysis effect more thorough;
In micro-electrolysis reaction, [H] of nascent state and Fe have stronger reducing power, can make some undersaturated chromophoric group nitro-NO
2, nitroso-group-NO is reduced into-NH
2, make chromophoric group destroy and remove colourity; Also the double bond of hydroxyl-COOH, azo-group-N=N-etc. can be opened, make the larger molecular organics scission of link of difficult for biological degradation become small organic molecule, improve the biodegradability of waste water simultaneously;
Embodiment 2
Identical with embodiment 1, difference is, agent structure 1 is manufactured by stainless steel, the vertical direction of agent structure 1 four inwalls arranges 4 horizontal support points 101 respectively equably at interval of 400mm, establish altogether 6 layers, air-supply duct interface 102 with on same inwall, the distance of the horizontal support point 101 of the side of being located thereon is 100mm; Reactor comprises 6 layers of reaction member; The quantity of the module type improvement iron carbon filler 4 in every one deck reaction member is 150, and the quantity of the module type improvement iron carbon filler 401 in every one deck reaction member is 900, and the quantity of the module type improvement iron carbon filler 401 in 6 layers of reaction member is 5400.
The quantity of perforation arm 202 is 10 right, is symmetrically distributed in vertical line both sides; Two air feed micropores forming a group have 9 groups; The profile of glass reinforced plastic grizzly bar back up pad 3 is corresponding with the cross section of agent structure 1, and its thickness is 25mm.
The application method of the high density factory effluent of the present embodiment reaction unit process pesticide producing producer (produce waste water quality and be: the water yield is about 100t/d by the high density of this pesticide producing producer; PH1.8 ~ 3.2, average 2.6; COD4200 ~ 6500mg/L, average 5100mg/L; B/C<0.15, wastewater biodegradability is poor), the steps include:
1) by pumping plant by the waste water of this factory by water inlet pipe (5) injecting reactor;
2) treat step 1) in inject waste water lid cross all reaction members of reactor, stop pumping plant, close water inlet pipe (5);
3) open aerating apparatus (2) and be filled with oxygen to waste water, the waste water ratio be filled with in the weight of oxygen and reactor is 10:1, makes waste water and reaction member fully contact and electrolytic reaction occurs;
4) rate-determining steps 3) reaction times be 45min;
5) opening water discharge pump, by step 4) in waste water after the reaction times discharge from rising pipe (7);
6) shore pipe (9) is opened, by step 3) middle reaction produces and the iron carbon body refuse come off is discharged.
Detecting step 5) middle waste water of discharging, its water quality is: pH5.2, COD2106mg/L, COD clearance 58.7%, B/C=0.42, and wastewater biodegradability is greatly improved; In use procedure, in reactor there is not fragmentation in improvement iron carbon filler, harden phenomenon.
Embodiment 3
Identical with embodiment 1, difference is, the vertical direction of agent structure 1 four inwalls arranges 2 horizontal support points 101 respectively equably at interval of 250mm, establishes altogether 3 layers, air-supply duct interface 102 with on same inwall, the distance of the horizontal support point 101 of the side of being located thereon is 50mm; Reactor comprises 3 layers of reaction member; The quantity of the module type improvement iron carbon filler 4 in every one deck reaction member is 150, and the quantity of the module type improvement iron carbon filler 401 in every one deck reaction member is 900, and the quantity of the module type improvement iron carbon filler 401 in 6 layers of reaction member is 5400.
The quantity of perforation arm 202 is 9 right, is symmetrically distributed in vertical line both sides; Two compositions air feed micropore 8 groups of a group; The profile of glass reinforced plastic grizzly bar back up pad 3 is corresponding with the cross section of agent structure 1, and its thickness is 15mm.
(this dye wastewater with high concentration water quality is the application method of so-and-so dye wastewater with high concentration of the present embodiment reaction unit process: the water yield is about 500t/d; PH4.3, colourity 1200, COD6500mg/L, B/C<0.15), the steps include:
1) by pumping plant by the waste water of this factory by water inlet pipe (5) injecting reactor;
2) treat step 1) in inject waste water lid cross all reaction members of reactor, stop pumping plant, close water inlet pipe (5);
3) open aerating apparatus (2) and be filled with oxygen to waste water, the waste water ratio be filled with in the weight of oxygen and reactor is 15:1, makes waste water and reaction member fully contact and electrolytic reaction occurs;
4) rate-determining steps 3) reaction times be 45min;
5) opening water discharge pump, by step 4) in waste water after the reaction times discharge from rising pipe (7);
6) shore pipe (9) is opened, by step 3) middle reaction produces and the iron carbon body refuse come off is discharged.
Detecting step 5) middle waste water of discharging, its water quality is: pH5.6, colourity 380, percent of decolourization 68.3%; COD3730mg/L, COD clearance 42.6%; B/C=0.38, wastewater biodegradability is greatly improved; In use procedure, in reactor there is not fragmentation in improvement iron carbon filler, harden phenomenon.
Claims (8)
1. the continuous flow micro electrolytic reaction device based on module type improvement iron carbon filler, comprise agent structure (1), water inlet pipe (5), reactor, sludge hopper (8) and shore pipe (9), described sludge hopper (8) is arranged on the bottom of agent structure (1), described shore pipe (9) is connected with sludge hopper (8) bottom, described water inlet pipe (5) is arranged on the side of agent structure (1) lower end, it is characterized in that: described agent structure (1) is provided with air-supply duct interface (102), top near air-supply duct interface (102) on agent structure (1) inwall is provided with horizontal support point (101), described horizontal support point (101) is inwardly protruding structure, and level is distributed on agent structure (1) inwall, it is inner that described reactor is arranged on agent structure (1), comprises reaction member, described reaction member is provided with aerating apparatus (2), glass reinforced plastic grizzly bar back up pad (3) and module type improvement iron carbon filler (4) from the bottom up successively,
Described aerating apparatus (2) comprises aeration main (201) and perforation arm (202); Described aeration main (201) is connected with air-supply duct interface (102); Described perforation arm (202) is vertically mounted on the both sides of aeration main (201), and its inside communicates with aeration main (201), perforation arm (202) and plane-parallel;
Described glass reinforced plastic grizzly bar back up pad (3) is placed on horizontal support point (101);
Described module type improvement iron carbon filler (4) is placed in glass reinforced plastic grizzly bar back up pad (3), and it comprises improvement iron-carbon micro-electrolysis filler unit (401) and module type PVC bracket (402); Described module type PVC bracket (402) is provided with the slot of vertical direction; Described improvement iron-carbon micro-electrolysis filler unit (401) is arranged in slot;
The top of described agent structure (1) is provided with overflow groove (6), and overflow groove (6) is provided with rising pipe (7).
2. a kind of continuous flow micro electrolytic reaction device based on module type improvement iron carbon filler according to claim 1, it is characterized in that: the cross section of described agent structure (1) is square, agent structure (1) is by stainless steel or glass reinforced plastic manufacture, and its liner is the preservative coat of steel and concrete structure; Described reactor comprises 3 ~ 6 layers of reaction member.
3. a kind of continuous flow micro electrolytic reaction device based on module type improvement iron carbon filler according to claim 2, it is characterized in that: described horizontal support point (101) arranges 2 ~ 4 equably respectively at interval of 250 ~ 400mm on the vertical direction of agent structure (1) four inwall, establishes altogether 3 ~ 6 layers; Described air-supply duct interface (102) is arranged on the position of center line of agent structure (1) any one inner-wall surface vertical direction, air-supply duct interface (102) with on same inwall, the distance of the horizontal support point (101) of the side of being located thereon is 50 ~ 100mm.
4. a kind of continuous flow micro electrolytic reaction device based on module type improvement iron carbon filler according to claim 3, it is characterized in that: one end of described aeration main (201) is provided with plastic nut fastening piece (203), and be connected with air-supply duct interface (102) by plastic nut fastening piece (203).
5. a kind of continuous flow micro electrolytic reaction device based on module type improvement iron carbon filler according to claim 4, is characterized in that: the quantity of described perforation arm (202) is 8 ~ 10 right, and its cross section be circle; Described is provided with air feed micropore with perforation arm (202) lower surface of plane-parallel; Described air feed micropore is 45 ° of angles with the vertical center line of perforation arm (202) cross circular section, and forms one group by two, is symmetrically distributed in vertical line both sides; The air feed micropore of described two compositions one group respectively has 7 ~ 9 groups on each root perforation arm.
6. a kind of continuous flow micro electrolytic reaction device based on module type improvement iron carbon filler according to claim 5, it is characterized in that: the profile of described glass reinforced plastic grizzly bar back up pad (3) is corresponding with the cross section of agent structure (1), and its thickness is 15 ~ 25mm.
7. a kind of continuous flow micro electrolytic reaction device based on module type improvement iron carbon filler according to claim 5 or 6, it is characterized in that: described improvement iron-carbon micro-electrolysis filler unit (401) is the sheet structure of more than 1050 DEG C high-temperature firings, every sheet physical dimension length and width, to be thickly respectively: 140mm × 140mm × 8mm, its composition comprises copper powder; The physical dimension length of described module type PVC bracket (402) is respectively: 150mm × 150mm × 150mm.
8. a kind of continuous flow micro electrolytic reaction device based on module type improvement iron carbon filler according to claim 7, it is characterized in that: in every one deck reaction member, the quantity of described module type improvement iron carbon filler (4) is 100 ~ 300, and the quantity of described improvement iron-carbon micro-electrolysis filler unit (401) is 600 ~ 1800.
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| CN201520498626.XU CN204752289U (en) | 2015-07-10 | 2015-07-10 | Little electrolysis reaction unit of continuous flow based on indisputable carbon filler of module formula improvement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104961200A (en) * | 2015-07-10 | 2015-10-07 | 环境保护部南京环境科学研究所 | Continuous-flow micro-electrolysis reaction apparatus based on modular improved iron-carbon filler and application method of continuous-flow micro-electrolysis reaction apparatus |
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2015
- 2015-07-10 CN CN201520498626.XU patent/CN204752289U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104961200A (en) * | 2015-07-10 | 2015-10-07 | 环境保护部南京环境科学研究所 | Continuous-flow micro-electrolysis reaction apparatus based on modular improved iron-carbon filler and application method of continuous-flow micro-electrolysis reaction apparatus |
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