CN216039059U - Sequencing batch type electric flocculation device - Google Patents
Sequencing batch type electric flocculation device Download PDFInfo
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- CN216039059U CN216039059U CN202121758398.7U CN202121758398U CN216039059U CN 216039059 U CN216039059 U CN 216039059U CN 202121758398 U CN202121758398 U CN 202121758398U CN 216039059 U CN216039059 U CN 216039059U
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Abstract
The utility model discloses a sequencing batch type electric flocculation device, which relates to the field of waste liquid treatment and comprises a pipeline system, wherein a dosing reaction assembly, a circulating pump and an electric flocculation reaction assembly are sequentially arranged on the pipeline system according to the flowing direction of waste liquid, and the top end of the electric flocculation reaction assembly is connected with the dosing reaction assembly through the pipeline system; the electric flocculation reaction assembly comprises an electrode plate, and the electrode plate is connected with a timing inverted-pole direct-current power supply; the pipeline system is provided with an electric flocculation reaction tank water inlet valve and a system water production valve, and further comprises a control assembly. The electric control system is perfect, the operation is convenient and fast, the installation is flexible, and the personnel is not required to watch; the equipment has simple structure and is easy to maintain and clean; the reaction time is flexibly adjusted, the water fluctuation resistance is strong, and the water outlet is stable; the power supply is provided with timing reverse polarity, so that the service cycle of the polar plate is long, and the economic benefit is high; better polar plate scaling resistance design, stable and efficient reaction.
Description
Technical Field
The utility model relates to the field of waste liquid treatment, in particular to a sequencing batch type electric flocculation device.
Background
The waste liquid is treated by the electrocoagulation method, iron or aluminum ions are dissolved out by an anode and combined with OH & lt- & gt in a solution to generate a high-activity polymorphic polyaluminium or polyferric flocculant, pollutant particles in the waste liquid are aggregated into clusters, and solid-liquid separation is carried out by physical sedimentation or air flotation, so that the effect of purifying water bodies is achieved. The electric flocculation method has high automation degree and convenient operation; most of the devices are modularized, and the occupied area is small; the method has the advantages of no addition of flocculating agents, small sludge amount and the like, and is gradually an effective process for treating other waste liquids such as heavy metal waste liquid, printing and dyeing waste liquid, oil-containing waste liquid and the like.
However, the existing equipment often has the following problems in the operation process:
(1) the anode plate is fast to consume, and the replacement frequency is high.
(2) In the reaction process, the pH of the waste liquid is continuously changed, so that the effluent is gradually deteriorated.
(3) Pollutants in the waste liquid are easy to be adsorbed on the polar plate, so that the problems of poor electrolytic reaction, low electrolytic efficiency, poor effluent and the like are caused.
SUMMERY OF THE UTILITY MODEL
The utility model solves the technical problem of providing a sequencing batch electrocoagulation device which has simple structure, convenient operation, no need of personnel for supervision, prolonged service life of an electrode plate, stable reaction and high efficiency.
The technical scheme adopted by the utility model for solving the technical problems is as follows: a sequencing batch type electric flocculation device comprises a pipeline system, wherein a dosing reaction assembly, a circulating pump and an electric flocculation reaction assembly are sequentially arranged on the pipeline system according to the flowing direction of waste liquid, and the top end of the electric flocculation reaction assembly is connected with the dosing reaction assembly through the pipeline system, so that the dosing reaction assembly, the circulating pump and the electric flocculation reaction assembly form a circulating system;
the electric flocculation reaction assembly comprises an electrode plate, and the electrode plate is connected with a timing inverted-pole direct-current power supply;
an electric flocculation reaction tank water inlet valve is arranged between the dosing reaction assembly and the electric flocculation reaction assembly, and a system water production valve is arranged at one side, located on the electric flocculation reaction tank water inlet valve, of the tail end of the dosing reaction assembly;
the device is characterized by further comprising a control assembly for controlling the sequencing batch electrocoagulation device, wherein the dosing reaction assembly, the circulating pump and the electrocoagulation reaction assembly are electrically connected with the control assembly respectively.
Further, the method comprises the following steps: the chemical feeding reaction assembly comprises a chemical feeding reaction tank, an acid-base chemical feeding valve, a stirrer and a PH meter are arranged in the chemical feeding reaction tank, the acid-base chemical feeding valve and the PH meter are respectively and electrically connected with the control assembly, and one side of the chemical feeding reaction tank is connected with a chemical feeding reaction tank water inlet.
Further, the method comprises the following steps: and a dosing reaction tank water outlet valve is arranged at the lower part of the dosing reaction tank on the pipeline system.
Further, the method comprises the following steps: the electric flocculation reaction component comprises an electric flocculation reaction tank, wherein one or more groups of electrode plates are arranged in the electric flocculation reaction tank, and an aeration pipe and an electric flocculation reaction tank water inlet are arranged at the bottom of the electric flocculation reaction tank.
Further, the method comprises the following steps: the top end of the electric flocculation reaction tank is provided with an overflow outlet valve of the electric flocculation reaction tank on the pipeline system.
Further, the method comprises the following steps: and a bottom emptying valve is arranged on one side of the bottom of the electric flocculation reaction tank.
The utility model has the beneficial effects that: the electric control system is perfect, the operation is convenient and fast, the installation is flexible, and the personnel is not required to watch; the equipment has simple structure and is easy to maintain and clean; the reaction time is flexibly adjusted, the water fluctuation resistance is strong, and the water outlet is stable; the power supply is provided with timing reverse polarity, so that the service cycle of the polar plate is long, and the economic benefit is high; better polar plate scaling resistance design, stable and efficient reaction.
Drawings
FIG. 1 is a schematic diagram of a sequencing batch electrocoagulation apparatus;
labeled as: 1. a dosing reaction tank; 2. an acid-base feeding valve; 4. a blender; 5. a water inlet of the dosing reaction tank; 7. a water outlet valve of the dosing reaction tank; 9. a circulation pump; 10. a system water production valve; 11. a water inlet valve of the electric flocculation reaction tank; 12. an electric flocculation reaction tank; 13. an electrode plate; 16. a bottom drain valve; 17. a water inlet of the electrocoagulation reaction tank; 19. an aeration pipe; 20. an overflow outlet valve of the electric flocculation reaction tank; 21. and D, a timing inverted-pole direct-current power supply.
Detailed Description
The utility model is further described with reference to the following figures and detailed description.
As shown in fig. 1, an embodiment of the present application provides a sequencing batch electrocoagulation device, which includes a pipeline system, wherein a dosing reaction assembly, a circulation pump 9 and an electrocoagulation reaction assembly are sequentially arranged on the pipeline system according to a flow direction of a waste liquid, and a top end of the electrocoagulation reaction assembly is connected with the dosing reaction assembly through the pipeline system, so that the dosing reaction assembly, the circulation pump 9 and the electrocoagulation reaction assembly form a circulation system;
the electric flocculation reaction assembly comprises an electrode plate 13, and the electrode plate 13 is connected with a timing reverse-pole direct-current power supply 21;
a water inlet valve 11 of the electric flocculation reaction tank is arranged between the dosing reaction component and the electric flocculation reaction component, and a system water production valve 10 is arranged at one side, located on the water inlet valve 11, of the tail end of the dosing reaction component;
the system is characterized by further comprising a control assembly for controlling the sequencing batch electrocoagulation device, wherein the dosing reaction assembly, the circulating pump 9 and the electrocoagulation reaction assembly are electrically connected with the control assembly respectively.
The chemical feeding reaction assembly is used for automatically feeding acid and alkali chemicals according to the pH value, so that the pH value in the chemical feeding reaction assembly is maintained in a proper range, a power supply in the electric flocculation reaction assembly adopts a timing inverted DC power supply, the cathode and the anode of the electrode plate 13 are switched through timing switching of the anode and the cathode of the power supply, the loss of the electrode plate 13 can be average, the integral service time is prolonged, the frequency of replacing the electrode plate 13 is reduced, and the cost is saved, the circulating pump 9 is used for lifting waste liquid in the chemical feeding reaction assembly into the electric flocculation reaction assembly, and the chemical feeding reaction assembly, the circulating pump 9 and the electric flocculation reaction assembly form a circulating system, so that the device is simple in structure, small in floor area and cost-saving.
The electrode plate 13 is electrified after being connected with a timing reverse-pole direct-current power supply and the electrode plate 13, and a series of electrochemical reactions occur when waste liquid passes through the electrode plate 13, so that the aim of purifying water is fulfilled;
the power supply adopts a timing reverse-pole direct-current power supply, and the cathode and the anode of the electrode plate 13 are switched through timing switching of the anode and the cathode of the power supply, so that the loss of the electrode plate 13 is even, the whole service life is prolonged, the frequency of replacing the electrode plate 13 is reduced, and the cost is reduced.
The electric flocculation reaction tank water inlet valve 11 is used for controlling whether the water flowing out of the dosing reaction tank 1 flows into the electric flocculation reaction tank 12.
The water production valve 10 of the system is used for controlling whether water flowing out of the dosing reaction tank 1 is discharged out of the system.
On the basis, the dosing reaction assembly comprises a dosing reaction tank 1, an acid-base dosing valve 2, a stirrer 4 and a PH meter are arranged in the dosing reaction tank 1, the acid-base dosing valve 2 and the PH meter are respectively electrically connected with the control assembly, and one side of the dosing reaction tank 1 is connected with a dosing reaction tank water inlet 5.
Add medicine reaction tank 1 and be used for depositing the waste liquid, acid-base advances medicine valve 2 and is used for throwing in acid-base medicament according to the pH value automation that adds in medicine reaction tank 1 for the pH value of waste liquid maintains in suitable within range in adding medicine reaction tank 1, mixer 4 is used for stirring waste liquid and acid-base medicament, makes the mixture more abundant, the PH meter is used for detecting the pH value that adds in medicine reaction tank 1, it is used for supplying the waste liquid to enter into in the medicine reaction tank 1 to add medicine reaction tank inlet opening 5.
On the basis, a dosing reaction tank water outlet valve 7 is arranged on the lower portion of the pipeline system, which is located at the dosing reaction tank 1, and the dosing reaction tank water outlet valve 7 is used for controlling whether waste liquid in the dosing reaction tank 1 is discharged or not.
On the basis, the electric flocculation reaction component comprises an electric flocculation reaction tank 12, one or more groups of electrode plates 13 are arranged in the electric flocculation reaction tank 12, and an aeration pipe 19 and an electric flocculation reaction tank water inlet 17 are arranged at the bottom of the electric flocculation reaction tank 12.
The electric flocculation reaction tank 12 is used for providing a place for electric flocculation reaction, and the electrode plate 13 is used for generating electrochemical reaction with wastewater so as to achieve the purpose of purifying water.
On the basis, the top end of the electric flocculation reaction tank 12 is provided with an electric flocculation reaction tank overflow water outlet valve 20 on a pipeline system.
The overflow water outlet valve 20 of the electrocoagulation reaction tank is used for enabling the liquid at the top end of the electrocoagulation reaction tank 12 to flow into the dosing reaction tank 1 to form circulation.
On the basis, a bottom emptying valve 16 is arranged on one side of the bottom of the electric flocculation reaction tank 12.
The bottom emptying valve 16 is used for discharging water for cleaning the electric flocculation reaction tank 12.
On the basis, the wastewater is collected into a dosing reaction tank 1, a stirrer 4 in the dosing reaction tank 1 starts to operate, acid-base agents flow into the dosing reaction tank 1 through an acid-base feeding valve 2, the pH value is adjusted to be within a proper pH range (generally 7-8), a system water production valve 10 is closed, the wastewater is lifted to an electric flocculation reaction tank water inlet 17 from a dosing reaction tank water outlet valve 7 through a circulating pump 9 and then enters an electric flocculation reaction tank 12, the wastewater flows from bottom to top in the electric flocculation reaction tank 12, the time of electrolytic reaction between an electrode plate 13 and the wastewater is more than or equal to 1 minute, a timed reversed-pole direct current power supply 21 is connected with the electrode plate 13 and then is electrified, a series of electrochemical reactions occur when the wastewater passes through the electrode plate 13, the purpose of water purification is achieved, aeration is continuously performed through an aeration pipe 19 at the bottom of the electric flocculation reaction tank 12, and the wastewater overflows into a dosing reaction tank water inlet 5 through an electric flocculation reaction tank overflow outlet valve 20 above the electric flocculation reaction tank, the cycle is completed.
In the reaction process, according to the numerical value displayed by the pH table in the medicine-adding reaction tank 1, acid and alkali agents are properly added to maintain the proper pH value of the reaction, so that the electric flocculation reaction is stable, and the quality of the produced water is stable. The operation period of the electric flocculation device for the batch of wastewater is determined according to the actual condition of water outlet in the medicine adding reaction tank 1, the operation period can be flexibly adjusted, after the expected water production effect is achieved, the water inlet valve 11 of the electric flocculation reaction tank is closed, the water production valve 10 of the system is opened, and the produced water is pumped out through the circulating pump 9.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a formula electric flocculation device is criticized to preface, includes pipe-line system, its characterized in that: the pipeline system is sequentially provided with a dosing reaction assembly, a circulating pump (9) and an electric flocculation reaction assembly according to the flowing direction of the waste liquid, and the top end of the electric flocculation reaction assembly is connected with the dosing reaction assembly through the pipeline system, so that the dosing reaction assembly, the circulating pump (9) and the electric flocculation reaction assembly form a circulating system;
the electric flocculation reaction assembly comprises an electrode plate (13), and the electrode plate (13) is connected with a timing inverted-pole direct-current power supply (21);
an electric flocculation reaction tank water inlet valve (11) is arranged between the dosing reaction component and the electric flocculation reaction component, and a system water production valve (10) is arranged at one side, located on the electric flocculation reaction tank water inlet valve (11), of the tail end of the dosing reaction component;
the system is characterized by further comprising a control assembly for controlling the sequencing batch electrocoagulation device, wherein the dosing reaction assembly, the circulating pump (9) and the electrocoagulation reaction assembly are electrically connected with the control assembly respectively.
2. A sequencing batch electroflocculation apparatus as claimed in claim 1 wherein: the chemical feeding reaction assembly comprises a chemical feeding reaction tank (1), an acid-base chemical feeding valve (2), a stirrer (4) and a PH meter are arranged in the chemical feeding reaction tank (1), the acid-base chemical feeding valve (2) and the PH meter are respectively electrically connected with a control assembly, and one side of the chemical feeding reaction tank (1) is connected with a chemical feeding reaction tank water inlet hole (5).
3. A sequencing batch electroflocculation apparatus as claimed in claim 1 wherein: and a dosing reaction tank water outlet valve (7) is arranged on the lower part of the dosing reaction tank (1) on the pipeline system.
4. A sequencing batch electroflocculation apparatus as claimed in claim 1 wherein: the electric flocculation reaction component comprises an electric flocculation reaction tank (12), wherein one or more groups of electrode plates (13) are arranged in the electric flocculation reaction tank (12), and an aeration pipe (19) and an electric flocculation reaction tank water inlet (17) are arranged at the bottom of the electric flocculation reaction tank (12).
5. A sequencing batch electroflocculation apparatus as claimed in claim 4 wherein: the top end of the electric flocculation reaction tank (12) is provided with an overflow outlet valve (20) of the electric flocculation reaction tank on the pipeline system.
6. A sequencing batch electroflocculation apparatus as claimed in claim 4 wherein: one side of the bottom of the electric flocculation reaction tank (12) is provided with a bottom emptying valve (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121758398.7U CN216039059U (en) | 2021-07-30 | 2021-07-30 | Sequencing batch type electric flocculation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121758398.7U CN216039059U (en) | 2021-07-30 | 2021-07-30 | Sequencing batch type electric flocculation device |
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| Publication Number | Publication Date |
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| CN216039059U true CN216039059U (en) | 2022-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121758398.7U Active CN216039059U (en) | 2021-07-30 | 2021-07-30 | Sequencing batch type electric flocculation device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115684301A (en) * | 2022-09-29 | 2023-02-03 | 中国恩菲工程技术有限公司 | Slurry pH value adjusting and detecting device and slurry processing device |
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2021
- 2021-07-30 CN CN202121758398.7U patent/CN216039059U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115684301A (en) * | 2022-09-29 | 2023-02-03 | 中国恩菲工程技术有限公司 | Slurry pH value adjusting and detecting device and slurry processing device |
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