CN209778578U - electrolytic phosphorus removal equipment and sewage treatment system applying same - Google Patents
electrolytic phosphorus removal equipment and sewage treatment system applying same Download PDFInfo
- Publication number
- CN209778578U CN209778578U CN201920143093.1U CN201920143093U CN209778578U CN 209778578 U CN209778578 U CN 209778578U CN 201920143093 U CN201920143093 U CN 201920143093U CN 209778578 U CN209778578 U CN 209778578U
- Authority
- CN
- China
- Prior art keywords
- electrolytic
- plate
- power supply
- electrolytic plate
- iron
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The utility model discloses an electrolysis dephosphorization equipment and sewage treatment system who uses thereof, this equipment includes: an electrolytic plate; the adjustable power supply equipment is used for providing variable power supply voltage for the electrolytic plate so as to control the amount of iron ions or aluminum ions electrolyzed by the electrolytic plate; the time controller provides a time signal to the electrolytic plate so as to change the anode and the cathode of the electrolytic plate through the power voltage provided by the adjustable power supply equipment; the intermediate relay is used for transmitting a time signal and a power supply signal output by the adjustable power supply equipment to the electrolytic plate; voltage ampere meter, real-time sampling electrolytic plate's real-time voltage electric current, the utility model discloses a place electrolysis dephosphorization equipment before the anoxic zone, intake through the electrolysis and the backward flow liquid of the high oxygen content of system, and make total phosphorus effectively get rid of in the mode of multistage sedimentation structure and special filler and multistage baffling that sets up through the anoxic zone, effectively practice thrift the energy consumption and prolong the maintenance cycle through adjustable power supply equipment.
Description
Technical Field
The utility model relates to a sewage treatment technical field especially relates to an electrolysis dephosphorization equipment and sewage treatment system who uses thereof.
Background
china is in the period of rural reconstruction and rapid development at present, wherein the rural sewage discharge problem is particularly prominent, the sewage quantity is large, the sewage is dispersed and is not easy to be treated in a centralized manner, so that small and medium-sized sewage treatment equipment has the characteristics of easiness in implementation, wide distribution, less environmental limitation and the like, and can be widely applied to rural markets.
At present, the sewage dephosphorization method has two types: biological method, chemical precipitation method and their combined process. However, the biological phosphorus removal efficiency is not stable enough and cannot meet the increasingly strict sewage discharge standard; the chemical precipitation method is widely applied to various sewage treatment processes, a medicine storage tank and a metering pump are additionally required, special personnel is required for equipment maintenance and reagent configuration, the occupied area is large, and the chemical precipitation method is inconvenient to apply to the small and medium-sized sewage treatment field of the rural market.
The electrolytic phosphorus removal can effectively solve the phosphorus removal problem of small and medium-sized sewage treatment equipment, has the characteristics of low energy consumption, long replacement period, good phosphorus removal effect, unattended operation and the like, and is particularly suitable for phosphorus removal of the small and medium-sized sewage treatment equipment.
at present, the electrolytic phosphorus removal polar plate material is mainly composed of a double aluminum plate, an aluminum/iron plate and a double iron plate, wherein the double iron plate has a long service life. The problem of double iron plates is that excessive iron ions or aluminum ions in the effluent make the water yellow or red, which affects the chromaticity of the water quality, so that the discharge requirement cannot be met; in the electrolytic process of aluminum, the surface of the aluminum plate is easy to passivate when the energy consumption is low, and the aluminum plate needs to be treated in time by descaling devices such as ultrasonic waves and the like, but the cost of equipment is increased. The application of the electric-relief phosphorus plate in the aerobic tank is most, and the aeration in the aerobic tank can not only wash the surface of the electrolytic plate, but also provide oxygen to make Fe2+Oxidation to Fe3 +the dephosphorization reaction is promoted, but the defect of over-quick consumption of the electrolytic plate is brought, and if the iron plate is adopted for dephosphorization, the effluent is yellow or red. The utility model aims to solve the existing technical difficulties by improving the structure and the process method of the electrolytic dephosphorization equipment.
SUMMERY OF THE UTILITY MODEL
For overcoming the not enough of above-mentioned prior art existence, the utility model aims to provide an electrolysis dephosphorization equipment and sewage treatment system who uses thereof, through utilizing two iron electrolytic plate or two aluminium electrolytic plate or aluminium iron board, place it at anoxic zone anterior segment, it is red problem with play water to have solved the anode passivation, the electrolytic is the backward flow liquid of aeration tank or sedimentation tank, need not independent aeration, and through positive negative pole change, the live time has also been increased, reduce voltage and anoxic zone and put in special filler and realize the purpose of the stable dephosphorization of middle-size and small-size sewage treatment equipment, the difficult passivation of electrolysis dephosphorization board and energy consumption are also low, do not have unfavorable influence to other indexes.
To achieve the above object, the utility model provides an electrolytic phosphorus removal device, which comprises
the electrolytic plate is a dual-iron electrolytic plate or a dual-aluminum electrolytic plate or an aluminum/iron plate;
The adjustable power supply equipment is connected with the intermediate relay and provides variable power supply voltage for the electrolytic plate;
The time controller is connected with the middle controller to provide time signals to the electrolytic plate so as to automatically change the anode and the cathode of the electrolytic plate at regular time through the power voltage provided by the adjustable power supply equipment;
The intermediate relay is used for transmitting the time signal output by the time controller and the power supply signal output by the adjustable power supply equipment to the electrolytic plate;
And the voltage ammeter is connected with the electrolytic plate and is used for sampling the real-time voltage and current of the electrolytic plate in real time.
preferably, the electrolytic plate comprises two rectangular iron plates with the same shape and size, and the distance between the two rectangular iron plates is 5-40 mm.
Preferably, the adjustable power supply equipment provides 5-28V direct current voltage.
In order to achieve the above object, the utility model also provides a sewage treatment system, the system includes septic zone, anoxic zone, good oxygen district and settling zone in proper order, the dual iron electrolytic plate or the two aluminium electrolytic plates or the aluminium iron plate of electrolysis dephosphorization equipment set up in before the anoxic zone, its intaking is derived from aeration tank or sedimentation tank backwash liquid.
Preferably, a multistage precipitation structure and a proprietary packing are provided in the anoxic zone.
preferably, the dual-iron electrolytic plate or the dual-aluminum electrolytic plate or the aluminum/iron plate comprises two rectangular iron plates or aluminum plates with the same shape and size, and the plate distance is 5 mm-40 mm.
Compared with the prior art, the utility model relates to an electrolysis dephosphorization equipment and sewage treatment system who uses thereof is through placing two iron electrolytic plates or two aluminium electrolytic plates or aluminium iron electrolytic plate at anoxic zone anterior segment, and set up multistage sedimentation structure and special filler in anoxic zone, make matters such as ferric phosphate and aluminium phosphate can effectively subside, be red problem with play water with the solution anode passivation, and improve iron ion or aluminium ion's utilization efficiency, because the electrolysis is the backward flow liquid of aeration tank or sedimentation tank, need not independent aeration, the difficult scale deposit of electrolytic plate, long service life, just the utility model discloses a positive negative pole is changed, the live time has also been increased, reduce voltage and anoxic zone and put in special filler and realize the purpose of the stable dephosphorization of middle-size and small-size sewage treatment equipment, the difficult passivation of electrolysis dephosphorization board and energy consumption are also low, do not have unfavorable influence to other indexs.
drawings
FIG. 1 is a schematic structural view of an electrolytic phosphorus removal device of a small and medium-sized sewage treatment device of the present invention;
FIG. 2 is a schematic view of a connection line of an electrolytic phosphorus removal device according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of the electrolytic phosphorus removal process of the small sewage treatment apparatus in the embodiment of the present invention;
FIGS. 4a to 4f are schematic diagrams of the electrolytic phosphorus removal process of 6 experiments in the embodiment of the present invention, respectively.
Detailed Description
Other advantages and effects of the present invention will become apparent to those skilled in the art from the following description, which is made for the purpose of illustrating the embodiments of the present invention by way of specific examples and with reference to the accompanying drawings. The present invention can be implemented or applied by other different embodiments, and various details in the present specification can be modified and changed based on different viewpoints and applications without departing from the spirit of the present invention.
FIG. 1 is a schematic view of the electrolytic phosphorus removal device of the present invention, and FIG. 2 is a schematic view of the connection line of the electrolytic phosphorus removal device in the embodiment of the present invention. As shown in FIG. 1 and FIG. 2, the utility model relates to an electrolytic phosphorus removal device, which comprises
The electrolytic plate 101 is a dual-iron electrolytic plate or a dual-aluminum electrolytic plate or an aluminum/iron plate, and comprises two rectangular electrolytic plates with the same shape and size, the size is determined according to the specific structure of the equipment, and the plate spacing is 5-40 mm.
The adjustable power supply device 102 is used for providing a variable power supply voltage for the electrolytic plate 101 so as to control the amount of iron ions or aluminum ions electrolyzed by the electrolytic plate 101. In the embodiment of the present invention, the adjustable power supply device 102 provides a dc voltage of 5V to 28V; specifically, power supply unit 102 can effectively adjust the electric current according to the concentration of different intakes and the total phosphorus of different intakes, makes the electrolysis scheme of different intakes and different concentrations, that is to say, the utility model discloses concentration and the water yield to the total phosphorus of different intakes, voltage through adjusting power supply unit 102 with adjustable reaches the purpose of adjusting the electric current, controls iron ion or the aluminium ion volume that electrolytic plate 101 was come out promptly, reaches the phosphorus that has effectively handled the aquatic, prevents again that unnecessary iron ion of electrolysis or aluminium ion from producing the influence to the nitrification of good oxygen district, still plays the purpose that reduces the energy consumption simultaneously.
The time controller 103 is used for providing a time signal to the electrolytic plate 101 so as to change the anode and the cathode of the electrolytic plate at regular time through the power voltage provided by the adjustable power supply equipment 102; the utility model discloses a time controller reaches regularly to change with adjustable power supply unit the purpose of electrolysis board positive and negative pole has advantages such as resistant surface passivation, corrosion rate are slow, can two electrolysis boards simultaneously complete together the electrolysis, and convenient the change, and is the twice of the single plate effective time, has prolonged the change cycle.
The intermediate relay 104 is used for transmitting the time signal output by the time controller 102 and the power signal output by the adjustable power supply equipment 102 to the electrolytic plate 101.
And the voltage ammeter 105 is used for sampling the real-time voltage and current of the electrolytic plate 101 in real time, so that real-time adjustment is facilitated.
FIG. 3 is a schematic view of a sewage treatment system applied to the electrolytic phosphorous removal device according to an embodiment of the present invention. As shown in FIG. 3, the electrolytic phosphorus removal process of the electrolytic phosphorus removal device is as follows:
1. The electrolytic plate of the electrolytic phosphorus removal equipment is arranged in front of an anoxic tank (anoxic zone), the inlet water of the electrolytic phosphorus removal equipment comes from return liquid of an aeration tank or a sedimentation tank, the oxygen content in the treated water is high, and independent aeration is not needed; the impurities in the treated water are few, and the electrolytic dephosphorization efficiency is improved. (treatment of high oxygen content in Water Fe to be electrolyzed2+Conversion of ions to Fe3+The ions react with phosphate radical in the inlet water rapidly to generate precipitate, and simultaneously consume oxygen, so that a good anoxic environment is created for an anoxic zone. The total phosphorus of the general domestic sewage and the inlet water is less than 6mg/L, and the electrolytic phosphorus removal mode can be usedThe effect is stable, the effluent is lower than 0.5mg/L, and the removal rate is high and reaches more than 90 percent.
2. The adjustable power supply equipment is utilized to provide voltage for the electrolytic plate so as to electrolyze the influent water and the reflux liquid with high oxygen content in the system. In particular to Fe electrolyzed by high oxygen content in the treated water2+Conversion of ions to Fe3+Ions, iron ions or aluminum ions react with phosphate radicals in inlet water rapidly in a multi-stage baffling mode to generate precipitates and effectively precipitate in septic and anoxic zones, the ions do not flow to an aerobic zone to influence nitration reaction, redundant iron ions or aluminum ions and hydroxyl radicals generate flocculates and react with electrolytes in water, the stability of colloids in water is damaged by compressing double electron layers, absorbing charge neutralization and other principles, soluble colloids are unstable, precipitates are generated and are removed together, and the purpose of purifying water is achieved. Specifically, the relationship between the current and the total phosphorus concentration and the amount of water may be expressed as I ═ a · Q within a certain rangeWater inflow*CPhosphorus concentrationwhere a is a regulation coefficient, and the magnitude of the current is mainly determined by voltage and resistance, it can be expressed as I ═ U/R, where R is mainly determined by factors such as the material of the electrolytic plate, the plate spacing, and the size of the electrolytic plate. The utility model discloses to the concentration and the water yield of the total phosphorus of intaking of difference, the voltage of adjusting adjustable power supply unit reaches the purpose of regulating current, and the iron ion or the aluminium ion volume that control the electrolysis promptly come out reach the phosphorus that has not only effectively handled the aquatic, prevent again that unnecessary iron ion of electrolysis or aluminium ion from producing the influence to the nitration of good oxygen district, still play the effect that reduces the energy consumption simultaneously, the utility model discloses a mode of adjustable power supply unit adjustment voltage electric current and positive negative pole automatic change can effectual saving energy consumption and extension maintenance cycle.
3. The multistage precipitation structure and the special filler are arranged in the anoxic zone, so that substances such as ferric phosphate, aluminum phosphate and the like can be effectively precipitated, and residual iron ions or aluminum ions, ferric hydroxide, aluminum hydroxide and the like generated by the electrolysis equipment continuously participate in the dephosphorization reaction in the anoxic zone, so that the reaction time is prolonged, the dephosphorization efficiency is improved, and the effluent chromaticity is improved.
FIGS. 4a to 4f are schematic diagrams of the electrolytic phosphorus removal process of 6 experiments in the embodiment of the present invention, respectively. The embodiment of the utility model provides an in, this middle-size and small-size sewage treatment device's electrolysis dephosphorization equipment, including adjustable power supply equipment, electrode controller, volt ammeter, electrolytic plate and connecting wire, figure 4 a-4 f show respectively for there is not the experiment of electrolysis dephosphorization and the two iron electrolytic dephosphorization of three different positions of group and two aluminium, ferroaluminium electrolytic dephosphorization experiment contrast flow schematic diagrams, wherein experiment 1 group is the control group, and the electrolytic plate is not placed to the experimental facilities.
The electrolytic plates of the experiment 2 group are placed in an O3 area (aerobic area), the size of the electrolytic plates is 100mm x 200mm, the size of the plate spacing is 5 mm-40 mm, the thickness of the electrolytic plates is 5mm, the voltage is 5-28V, the current value is 0.3A-5.0A, and the anode and cathode exchange period is regular exchange.
The electrolytic plate placement positions of the experiment 3 groups are areas of septic 1, the size of the electrolytic plate is 100mm x 200mm, the size of the plate interval is 5 mm-40 mm, the thickness of the electrolytic plate is 5mm, the voltage is 5-28V, and the anode and cathode exchange period is regular exchange with the current value of 0.3A-5.0A.
The conditions of the plates of experiment 4 group are essentially identical to those of experiment 3 group, except that zone a is not equipped with a multi-stage precipitation structure and a proprietary packing.
The conditions of the electrolytic plates of experiment 5 were substantially the same as those of experiment 3 except that the electrolytic plates were double aluminum electrolytic plates in which the aluminum plates were 5mm thick.
The conditions of the electrolytic plates in the experiment 6 group are basically the same as those in the experiment 3 group, except that the electrolytic plates are aluminum-iron electrolytic plates, wherein the aluminum plates are 5mm thick, and the iron plates are 5mm thick.
The experimental time is 1 month 23 days in 2018-6 month 22 days in 2018, and the data pair ratio is shown in the following table 1:
TABLE 1
The data are the average of all data during the test period.
as can be seen from table 1, when the electrolytic plates of the experimental 3 group, the experimental 5 group and the experimental 6 group are placed at the septic 1 zone, the total phosphorus effluent is 0.43, 0.39 and 0.41 respectively, and the phosphorus removal effect is relatively good, but considering the effective duration, the economic efficiency of the dual-iron electrolytic plate of the experimental 3 group is considered to be the best.
To sum up, the utility model relates to an electrolysis dephosphorization equipment and sewage treatment system who uses thereof is through placing biaron electrolytic plate or two aluminium electrolytic plate or aluminium iron plate at anoxic zone anterior segment to solve the anode passivation and go out water and be red problem, because the electrolysis be the backwash liquid of aeration tank or sedimentation tank, need not independent aeration, just the utility model discloses a positive negative pole is changed, and the purpose of middle-size and small-size sewage treatment equipment stable dephosphorization has been realized to the special filler means of reduction voltage and anoxic zone input, and does not have adverse effect to other indexes.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention should be as set forth in the claims.
Claims (6)
1. An electrolytic phosphorus removal device is characterized by comprising
The electrolytic plate is a dual-iron electrolytic plate or a dual-aluminum electrolytic plate or an aluminum/iron plate;
The adjustable power supply equipment is connected with the intermediate relay and provides variable power supply voltage for the electrolytic plate;
the time controller is connected with the middle controller to provide time signals to the electrolytic plate so as to automatically change the anode and the cathode of the electrolytic plate at regular time through the power voltage provided by the adjustable power supply equipment;
The intermediate relay is used for transmitting the time signal output by the time controller and the power supply signal output by the adjustable power supply equipment to the electrolytic plate;
And the voltage ammeter is connected with the electrolytic plate and is used for sampling the real-time voltage and current of the electrolytic plate in real time.
2. The electrolytic phosphorus removal device of claim 1, wherein: the electrolytic plate comprises two rectangular iron plates with the same shape and size, and the distance between the two rectangular iron plates is 5-40 mm.
3. The electrolytic phosphorus removal device of claim 1, wherein: the adjustable power supply equipment provides 5V-28V direct current voltage.
4. A sewage treatment system applying the electrolytic phosphorus removal device as claimed in claim 1, wherein: the system sequentially comprises a septic zone, an anoxic zone, an aerobic zone and a sedimentation zone, wherein a dual-iron electrolytic plate or a dual-aluminum electrolytic plate or an aluminum/iron plate of the electrolytic dephosphorization equipment is arranged in front of the anoxic zone, and the inlet water of the electrolytic dephosphorization equipment comes from the return liquid of an aeration tank or a sedimentation tank.
5. The wastewater treatment system of claim 4, wherein: and a multistage sedimentation structure and a special filler are arranged in the anoxic zone.
6. the wastewater treatment system of claim 4, wherein: the dual-iron electrolytic plate or the dual-aluminum electrolytic plate or the aluminum/iron plate comprises two rectangular iron plates or aluminum plates with the same shape and size, and the plate distance is 5-40 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920143093.1U CN209778578U (en) | 2019-01-25 | 2019-01-25 | electrolytic phosphorus removal equipment and sewage treatment system applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920143093.1U CN209778578U (en) | 2019-01-25 | 2019-01-25 | electrolytic phosphorus removal equipment and sewage treatment system applying same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209778578U true CN209778578U (en) | 2019-12-13 |
Family
ID=68793958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920143093.1U Active CN209778578U (en) | 2019-01-25 | 2019-01-25 | electrolytic phosphorus removal equipment and sewage treatment system applying same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209778578U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109734245A (en) * | 2019-01-25 | 2019-05-10 | 深圳合续科技开发有限公司 | A kind of Electrolytic dephosphorization equipment and method of middle-size and small-size sewage disposal device |
-
2019
- 2019-01-25 CN CN201920143093.1U patent/CN209778578U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109734245A (en) * | 2019-01-25 | 2019-05-10 | 深圳合续科技开发有限公司 | A kind of Electrolytic dephosphorization equipment and method of middle-size and small-size sewage disposal device |
| CN109734245B (en) * | 2019-01-25 | 2024-05-28 | 云南合续环境科技股份有限公司 | Electrolytic dephosphorization equipment and method for small and medium-sized sewage treatment equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101302073B (en) | Electroplating sewerage advanced treatment process | |
| CN103936106B (en) | Electrochemical synchronous nitrogen and phosphorus removal apparatus and municipal sewage treatment method | |
| CN104787859A (en) | Method and device for treating phosphorus wastewater by adopting multi-electrode baffling electric flocculation process | |
| CN107337301A (en) | A kind of method of the electric Fenton processing waste water of additional hydrogen peroxide | |
| CN109987760A (en) | A kind of electric flocculation-decarburization combined water treatment device at a slow speed | |
| CN105384222A (en) | Waste water electric flocculation treatment device | |
| CN203319806U (en) | Electrolysis dephosphorization device for treating domestic sewage | |
| CN201770522U (en) | Electric flocculation equipment for treating mixed electroplating wastewater | |
| CN209778578U (en) | electrolytic phosphorus removal equipment and sewage treatment system applying same | |
| CN209052533U (en) | A kind of device for removing phosphorous by electrolysis for rural sewage treatment integration apparatus | |
| CN105060411A (en) | Internal electrolysis-electric flocculation method for processing phosphor-containing wastewater | |
| CN104591448A (en) | Process and treatment system for efficiently treating micro-polluted source water | |
| CN110668533A (en) | Method and system for treating alkaline chemical nickel plating wastewater | |
| CN211169989U (en) | System for treating alkaline chemical nickel plating wastewater | |
| CN211813971U (en) | Rural sewage integrated device | |
| CN109734245B (en) | Electrolytic dephosphorization equipment and method for small and medium-sized sewage treatment equipment | |
| CN111362372A (en) | Synchronous nitrogen and phosphorus removal system of electrochemistry | |
| CN205974108U (en) | Novel domestic sewage electrolysis dephosphorization device | |
| CN207142888U (en) | Continous way electro-chemical water processing system | |
| CN214654290U (en) | MBBR sewage treatment plant with electrolysis dephosphorization module | |
| CN214457451U (en) | Integrated EC-AO-MBR water treatment equipment | |
| CN205856074U (en) | A kind of device for removing phosphorous by electrolysis | |
| CN212269773U (en) | Biological nitrogen and phosphorus removal coupling membrane pollution control device based on MUCT-MBER | |
| CN211255555U (en) | Landfill leachate reverse osmosis concentrated water oxidation system | |
| CN210001703U (en) | electric flocculation-slow decarburization combined water treatment equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 671000 Room 302, main building, public service center, fortune Industrial Park, Xiangyun County, Dali Bai Autonomous Prefecture, Yunnan Patentee after: Yunnan hexu Environmental Technology Co.,Ltd. Address before: 671000 Room 302, main building, public service center, fortune Industrial Park, Xiangyun County, Dali Bai Autonomous Prefecture, Yunnan Patentee before: YUNNAN HEXU ENVIRONMENTAL TECHNOLOGY Co.,Ltd. |