CN218403802U - Electric flocculation sewage pretreatment device - Google Patents
Electric flocculation sewage pretreatment device Download PDFInfo
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- CN218403802U CN218403802U CN202221910608.4U CN202221910608U CN218403802U CN 218403802 U CN218403802 U CN 218403802U CN 202221910608 U CN202221910608 U CN 202221910608U CN 218403802 U CN218403802 U CN 218403802U
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- sulphide
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- fixed plate
- pretreatment device
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Abstract
The utility model provides an electric flocculation sewage pretreatment device, the utility model discloses the device includes the effluent water sump, the sulphide jar, the fixed plate, conduit has been arranged at effluent water sump outer wall top, the fixed plate has been arranged at its top, drainage pipe has been arranged to its outer wall bottom, pH monitor has been arranged to its inner wall bottom, the scum pond has been arranged to its bottom, the electrode hole has been arranged on the fixed plate, pulse power supply has last pH display instrument, the connecting pipe, be connected with metal anode on the connecting pipe, metal cathode, flange has been arranged on conduit, the ball valve has been arranged on drainage pipe, the conveying pipeline, flange, pneumatic solenoid valve has been arranged on the conveying pipeline, the conveying pipeline is connected with the sulphide jar, the pan feeding mouth has been arranged on the sulphide jar, novel device accessible electrolysis process produces the flocculating agent and gets rid of suspended solid and organic matter in the aquatic, accomplish the preliminary treatment to sewage, the sewage quality after the preliminary treatment has been promoted, the manpower and materials that consume among the sewage treatment process have been alleviateed.
Description
Technical Field
The utility model relates to a water treatment technical field, concretely relates to electric flocculation sewage pretreatment device.
Background
The action principle of the electric flocculation method is that soluble anode loses electrons in the electrolytic process, a large amount of metal cations are generated on the surface of the electrode, and OH generated by electrons at the cathode - And carrying out polymerization reaction to generate a polynuclear hydroxyl complex and hydroxide which are used as flocculating agents to remove suspended matters and organic matters in water through flocculation.
Metal cations generated by electron losing of the soluble anode plate and water molecules form hydrated ions on the surface of the electrode, so that mononuclear and polynuclear hydrolysates are formed, and finally flocs with-OH on the surface are formed. The floc is subjected to adsorption, polymerization and precipitation on refractory organic matters through the actions of net capture, adsorption bridging, electric neutralization and the like, and the whole electrolytic flocculation process is completed. At the same time, H in the water + Production of large quantities of H upon obtaining electrons on the cathode plate 2 Pollutant floc in the water body is attached to the small bubbles and rises to the surface layer of the solution through the air flotation effect, and the solid-liquid components in the solution are well separated under the synergistic action of the air flotation effect and the electrolytic flocculation, so that the removal rate of organic matters is improved. The process is similar to the traditional flocculation process, but the electrolytic flocculation effect is better.
The electric flocculation water treatment technology is widely applied to the field of sewage and wastewater treatment at present, and particularly industrial sewage such as sewage of leather making, printing and dyeing, electroplating and the like is mainly used for removing suspended particulate matters, heavy metals and the like in wastewater pretreatment and secondary effluent treatment. However, the electrocoagulation method has a weak effect on treating heavy metals in water, and mercury and chromium still remain in water, while the sulfide precipitation method can more effectively treat metal-containing wastewater, especially mercury-containing and chromium-containing wastewater which cannot meet the discharge standard after hydroxide treatment.
Therefore, the electric flocculation sewage pretreatment device is provided, sewage is treated by an electric flocculation method, sulfides are introduced into the treated sewage, the sewage is pretreated, the quality of the pretreated sewage is improved, and the consumption of manpower and material resources in the sewage treatment process is reduced.
Disclosure of Invention
The utility model aims to overcome the defects and provide an electric flocculation sewage pretreatment device, which is suitable for sewage treatment, and metal cations generated on the surface of a metal anode in the electrolytic process of the device can generate OH with electrons of the cathode - The generated polynuclear hydroxyl complex and hydroxide are used as flocculating agents to remove suspended matters and organic matters in water, sulfide is introduced into the sewage after the removal treatment, the sewage is discharged, the pretreatment of the sewage is completed, the pretreated sewage is precipitated, and then the treatment of heavy metals in the sewage can be completed, so that the quality of the pretreated sewage is improved, and manpower and material resources consumed in the sewage treatment process are reduced.
The utility model provides an electric flocculation sewage pretreatment device, includes effluent water sump, sulphide jar, fixed plate, effluent water sump outer wall top has been arranged conduit, its top has been arranged the fixed plate, its outer wall bottom has been arranged drainage pipe, its inner wall bottom has been arranged pH monitor, its bottom has been arranged the scum pond, electrode hole, pulse generator have been arranged on the fixed plate, pulse generator has last pH display instrument, the connecting pipe of having arranged, be connected with metal anode, metal cathode on the connecting pipe, flange has been arranged on the conduit water, ball valve, defeated pipeline, flange have been arranged on drainage pipe, pneumatic solenoid valve has been arranged on the defeated pipeline, and defeated pipeline is connected with the sulphide jar, the pan feeding mouth has been arranged on the sulphide jar.
The sewage tank is used for storing sewage to be treated, and the surface of the sewage tank is coated with anticorrosive paint.
The sulfide tank is used for storing sulfide, and the sulfide is hydrogen sulfide and sodium sulfide.
The fixed plate is used for fixing the pulse power supply and can be used for workers to walk.
The connecting flange is used for connecting a pipeline.
The water conveying pipeline is used for conveying sewage into the sewage tank.
And the drainage pipeline is used for discharging the treated sewage for further treatment.
The ball valve is used for controlling the discharge of sewage, is closed when the sewage is treated, ensures the sewage treatment quality, and is opened for drainage after the treatment is finished.
The pulse power supply is used for applying a pulse signal to enable the reaction on the electrode to be carried out discontinuously, and the phenomenon of concentration polarization in the electrolyte is relieved.
And electric energy conducting wires are arranged in the connecting pipe and used for applying current to the cathode and the anode and fixing the cathode and the anode.
The electrode hole can enable the electrode to penetrate through so that the electrode can penetrate into the water surface.
The metal anode loses electrons under the electrified state to generate metal cations, and the material of the metal anode is iron or aluminum.
The metal cathode is made of iron or aluminum.
The scum pool is used for collecting sediment substances generated in the sewage treatment process, and the scum pool needs to be periodically cleaned to remove the collected sediment substances when in use.
The conveying pipeline is used for conveying sulfide into the sewage in the drainage process.
The pneumatic solenoid valve is used for controlling the input of the sulfide.
The feed inlet is used for feeding sulfide into the sulfide tank.
The pH display instrument is used for displaying the pH value of the sewage in the sewage pool and is connected with the pH monitoring probe through a data cable.
The pH monitoring probe is used for monitoring the pH value in the sewage pool.
The utility model discloses can be equipped with the power in the device in-service use and use.
The utility model discloses the device can be according to each spare part specification of in-service use demand adjuster
The use method of the electric flocculation sewage pretreatment device comprises the following steps:
step 1, specifying the specific dimension specification of the parts according to the actual use requirement.
And 2, inputting sewage into the sewage pool through a water pipeline, and applying current to the metal anode and the metal cathode through a pulse power supply to treat the sewage.
And 3, losing electrons of the metal anode, generating a large amount of metal cations on the surface of the electrode, and performing polymerization reaction with OH & lt- & gt generated at the metal cathode to generate the polynuclear hydroxyl complex and the hydroxide.
And 4, using the polynuclear hydroxyl complex and the hydroxide as a flocculating agent to remove suspended matters and organic matters in the water through flocculation.
And 5, monitoring the pH of the sewage through a pH display instrument, controlling the pH of the treated sewage to be about 8, and outputting the sewage after the pH is stable.
And 6, when the sewage is output through a drainage pipeline, opening the pneumatic electromagnetic valve to convey sulfide into the sewage, so that the sewage can be precipitated after being discharged, and removing residual mercury and chromium in the sewage.
And 7, collecting the precipitate generated by the sewage through the scum tank 13, and cleaning the scum tank regularly by workers.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of the top structure of the utility model device.
Fig. 2 is a schematic diagram of the front side of the structure of the utility model device.
Reference numerals: 1. the device comprises a sewage tank 2, a sulfide tank 3, a fixing plate 4, a connecting flange 5, a water delivery pipeline 6, a water discharge pipeline 7, a ball valve 8, a pulse power supply 9, a connecting pipe 10, an electrode hole 11, a metal anode 12, a metal cathode 13, a scum tank 14, a material delivery pipeline 15, a pneumatic electromagnetic valve 16, a feeding port 17, a pH display instrument 18 and a pH monitoring probe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-2, the electric flocculation sewage pretreatment device comprises a sewage tank 1, a sulfide tank 2 and a fixing plate 3, wherein a water pipe 5 is arranged at the top of the outer wall of the sewage tank 1, the fixing plate 3 is arranged at the top of the outer wall of the sewage tank, a drainage pipe 6 is arranged at the bottom of the outer wall of the sewage tank, a pH monitoring probe 18 is arranged at the bottom of the inner wall of the sewage tank, a scum pool 13 is arranged at the bottom of the sewage tank, an electrode hole 10 and a pulse power supply 8 are arranged on the fixing plate 3, a pH display 17 and a connecting pipe 9 are arranged on the pulse power supply 8, a metal anode 11 and a metal cathode 12 are connected onto the connecting pipe 9, a connecting flange 4 is arranged on the water pipe 5, a ball valve 7, a conveying pipeline 14 and a connecting flange 4 are arranged on the drainage pipe 6, a pneumatic electromagnetic valve 15 is arranged on the conveying pipeline 14, the conveying pipeline 14 is connected with the sulfide tank 2, and a feeding port 16 is arranged on the sulfide tank 2.
The sewage tank 1 is used for storing sewage to be treated, and the surface of the sewage tank is coated with anticorrosive paint.
The sulfide tank 2 is used for storing sulfides, and the sulfides are hydrogen sulfide and sodium sulfide.
The fixing plate 3 is used for fixing the pulse power supply 8 and can be used for workers to walk.
The connecting flange 4 is used for connecting a pipeline.
The water pipe 5 is used for inputting sewage into the sewage tank 1.
And the drainage pipeline 6 is used for discharging the treated sewage for further treatment.
The ball valve 7 is used for controlling the discharge of sewage, is closed when the sewage is treated, ensures the sewage treatment quality, and is opened for discharging after the treatment is finished.
The pulse power supply 8 is used for applying a pulse signal to enable the reaction on the electrode to be carried out discontinuously, and the phenomenon of concentration polarization in the electrolyte is relieved.
Electric energy conducting wires are arranged in the connecting pipe 9 and used for applying current to the cathode and the anode and fixing the cathode and the anode.
The electrode hole 10 allows the electrode to pass through so that the electrode penetrates deep into the water surface.
The metal anode 11 loses electrons in a power-on state to generate metal cations, and the material of the metal anode is iron or aluminum.
The metal cathode 12 is made of iron or aluminum.
The scum pond 13 is used for collecting sediment substances generated in the sewage treatment process, and the sediment substances need to be cleaned periodically to remove the collected sediment substances when the scum pond is used.
The delivery pipe 14 is used for delivering sulfide to the sewage in the drainage process.
The pneumatic solenoid valve 15 is used to control the input of the sulphide.
The inlet 16 is used for feeding sulphide to the sulphide tank 2.
The pH display instrument 17 is used for displaying the pH value of the sewage in the sewage pool 1 and is connected with the pH monitoring probe through a data cable.
The pH monitoring probe 18 is used to monitor the pH value in the lagoon 1.
The utility model discloses can be equipped with the power in the device in-service use and use.
The utility model discloses the device can be according to each spare part specification of in-service use demand adjuster
The use method of the electric flocculation sewage pretreatment device comprises the following steps:
step 1, specifying the specific dimension specification of the parts according to the actual use requirement.
And 2, inputting sewage into the sewage pool 1 through the water pipeline 5, and applying current to the metal anode 11 and the metal cathode 12 through the pulse power supply 8 to treat the sewage.
And 3, losing electrons of the metal anode 11, generating a large amount of metal cations on the surface of the electrode, and performing polymerization reaction with OH & lt- & gt generated at the metal cathode 12 to generate the polynuclear hydroxyl complex and the hydroxide.
And 4, using the polynuclear hydroxyl complex and the hydroxide as a flocculating agent to remove suspended matters and organic matters in the water through flocculation.
And 5, monitoring the pH value of the sewage through a pH displayer 17, controlling the pH value of the treated sewage to be about 8, and outputting the sewage after the pH value is stable.
And 6, when the sewage is output through the drainage pipeline 6, opening the pneumatic electromagnetic valve 15 to input sulfide into the sewage, so that the sewage can be precipitated after being discharged, and removing residual mercury and chromium in the sewage.
And 7, collecting the precipitate generated by the sewage through the scum tank 13, and cleaning the scum tank regularly by workers.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (4)
1. The utility model provides an electric flocculation sewage pretreatment device, its characterized in that, includes effluent water sump (1), sulphide jar (2), fixed plate (3), effluent water sump (1) outer wall top has arranged conduit (5), its top has arranged fixed plate (3), and its outer wall bottom has arranged drainage pipe (6), its inner wall bottom has arranged pH monitoring probe (18), its bottom has arranged scum pond (13), electrode hole (10), pulse generator (8) have been arranged on fixed plate (3), pH display instrument (17), connecting pipe (9) have been arranged on pulse generator (8), be connected with metal anode (11), metal cathode (12) on connecting pipe (9), flange (4) have been arranged on conduit (5), drainage pipe (6) have arranged material conveying pipeline (7), ball valve (14), flange (4), pneumatic solenoid valve (15) have been arranged on pipeline (14), and pipeline (14) are connected with sulphide jar (2), feeding mouth (16) have been arranged on sulphide jar (2).
2. The pretreatment device of claim 1, wherein the metal anode (11) is made of iron or aluminum.
3. The pretreatment device for sewage by electroflocculation according to claim 1, wherein the metal cathode (12) is made of iron or aluminum.
4. The pretreatment device for electric flocculation wastewater as claimed in claim 1, wherein the surface of the wastewater tank (1) is coated with anticorrosive paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221910608.4U CN218403802U (en) | 2022-07-25 | 2022-07-25 | Electric flocculation sewage pretreatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221910608.4U CN218403802U (en) | 2022-07-25 | 2022-07-25 | Electric flocculation sewage pretreatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218403802U true CN218403802U (en) | 2023-01-31 |
Family
ID=85014381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221910608.4U Active CN218403802U (en) | 2022-07-25 | 2022-07-25 | Electric flocculation sewage pretreatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218403802U (en) |
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2022
- 2022-07-25 CN CN202221910608.4U patent/CN218403802U/en active Active
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