CN210481103U

CN210481103U - Waste water purification treatment system based on electric flocculation technology

Info

Publication number: CN210481103U
Application number: CN201920556609.5U
Authority: CN
Inventors: 程艳; 黄文庭; 梁恩芳; 张风光
Original assignee: Ningbo Shentong Environmental Technology Co ltd
Current assignee: Ningbo Shentong Environmental Technology Co ltd
Priority date: 2019-04-23
Filing date: 2019-04-23
Publication date: 2020-05-08
Anticipated expiration: 2029-04-23

Abstract

The utility model discloses a waste water purification treatment system based on electricity flocculation technique, core structure formula sewage treatment plant as an organic whole, the device is kept apart into electrolysis district, reaction zone, inclined plate sedimentation district and the clear water district that switches on by multistage overflow board and baffle, the electrolysis district contains the sacrificial polar plate that multiunit parallel arranged, realize the destabilizing flocculation of pollutant in the waste water under the electric field effect, the reaction zone includes coagulant aid medicine structure and aeration equipment, mainly play the effect that promotes flocculation reaction, inclined plate sedimentation district solid-liquid separation with higher speed, the clear water that obtains gets into the clear water district, the clear water district can carry out quality of water regulator and aeration, be used for the quality of water adjustment to reach the requirement of going out water, fluid each region is in proper order in integral type sewage treatment plant from top to bottom the formula flows, each regional liquid level is through corresponding overflow board altitude control, mutual noninterference, each regional water conservancy dwell time is by corresponding overflow board, The relative position of the baffle is controlled, and finally the high-efficiency treatment of the wastewater is realized.

Description

Waste water purification treatment system based on electric flocculation technology

Technical Field

The utility model belongs to the technical field of waste water treatment, concretely relates to waste water purification treatment system based on electric flocculation technique can be used to the purification of aquatic products or beasts and birds breed waste water.

Background

China is a big world for aquaculture and livestock breeding, and the aquaculture industry and livestock breeding industry play an important role in guaranteeing national food safety. The high-density intensive aquaculture mode is generally adopted in the aquaculture and livestock and poultry industry in China, a large amount of excrement and bait residues exist in aquaculture wastewater, water quality deterioration can be accelerated under the action of bacterial decomposition, if the treatment is not carried out in time, the growth speed of fishes and the like is reduced, the disease incidence rate is increased, the aquaculture quality and yield are reduced, and the overall economic benefit of aquaculture is influenced. The livestock breeding wastewater mainly contains excrement, residual materials and pathogenic bacteria, although the livestock breeding wastewater does not have relevant key influence on self breeding products, the livestock breeding wastewater discharged into the external water can reduce dissolved oxygen, so that the water body is blacked and smelled, aquatic organisms are killed, and the water area function is lost. Moreover, the aquatic product and livestock breeding wastewater contains a large amount of bacteria and pathogenic bacteria, so that the aquatic product and livestock breeding wastewater has great harm to people and livestock; meanwhile, water contains N, P and other nutrient elements, which causes several environmental pollution problems such as eutrophication and ecological system unbalance. The deterioration of the breeding environment becomes a key factor for restricting the healthy and continuous development of the breeding industry in China, and the treatment and the reutilization of the breeding wastewater become the only way for solving the problem.

The waste pollutants in the aquaculture water body are mainly excrement, biological remains, residual bait, compounds such as nitrogen and phosphorus generated by decomposition, and organic matters such as protein. The prior aquaculture water purification technology in China mainly comprises the following steps: physical and chemical treatment such as mechanical filtration, ultraviolet and ozone sterilization, and biological treatment. The process needs to be carried out together with other treatment technologies and equipment, and the water treatment cost is increased virtually.

Livestock and poultry breeding wastewater mainly comprises excrement, water for washing colony houses, ground cleaning, equipment cleaning and the like, wherein the water for washing occupies most of the livestock and poultry breeding wastewater, the livestock and poultry breeding wastewater is high-concentration organic wastewater, the water volume is large, solid and liquid are mixed, the separation is difficult, and pathogenic bacteria are contained. The main treatment modes of the livestock and poultry breeding wastewater comprise a returning treatment mode, a natural treatment mode and an industrial treatment mode, wherein the industrial treatment mode comprises a physicochemical treatment technology and a biological treatment technology, the former two treatment modes have large land occupation and the treatment effect is influenced by environmental factors, the industrial mode has high operation and maintenance cost and needs to be managed by special technical personnel, and the high-load pollutant characteristics of the water body influence the treatment effect of a series of processes.

Therefore, the existing aquaculture wastewater purification method is high in cost, needs more manual operations and finally causes low working efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving above-mentioned prior art not enough, provide a waste water purification treatment system based on electric flocculation technique, can be used to get rid of pollutants such as suspended solid, alga, bacterium, COD and nitrogen phosphorus in aquatic products or the livestock and poultry industry aquaculture wastewater, can realize the cyclic utilization of waste water, this technology has no secondary pollution, area is little, reaction time is short, easy operation, need not advantages such as special person's watch. The method saves the culture water, relieves the environmental pressure, realizes the resource utilization of wastes, and has certain environmental benefit and economic benefit.

In order to achieve the purpose, the utility model relates to a high-efficient purification treatment system based on electric flocculation technology mainly includes interconnect's waste water elevator pump, integral type sewage treatment plant, power and fan, integral type sewage treatment plant is separated into electrolysis district, reaction zone, inclined plate sedimentation district, clear water district and play pool.

The output end of the waste water lift pump is connected with a water inlet of the integrated sewage treatment device through a flow meter, a flow control valve and a corresponding pipeline, an electrolytic polar plate is filled in an electrolytic zone, the electrolytic polar plate is connected with an external power supply through a cable, the electrolytic zone is connected with a reaction zone through an electrolytic zone overflow plate, water flows enter the reaction zone through the electrolytic zone overflow plate, a reaction zone dosing port leading to the reaction zone is arranged on a top cover of the integrated sewage treatment device, a reaction zone aeration port communicated with the reaction zone is arranged on the side wall of the integrated sewage treatment device, an inclined plate sedimentation zone baffle plate which can only send sewage output by the reaction zone into the inclined plate sedimentation zone from the lower part is arranged on the side edge of the reaction zone, inclined plate filler is arranged in the inclined plate sedimentation zone, an inclined plate sedimentation zone overflow plate is arranged between the inclined plate sedimentation zone and clean water, and water flows enter the clean, be equipped with in the clear water district with the clear water district keep apart into the clear water district baffle in first clear water district and second clear water district, the below of clear water district baffle is the circulation mouth, sets up the clear water district that accesss to first clear water district on integral type sewage treatment plant's top cap and adds the medicine mouth, is equipped with the clear water district aeration mouth that communicates with the clear water district of second at integral type sewage treatment plant's lateral wall, sets up clear water district overflow plate between clear water district of second and play pool, and rivers pass through clear water district overflow plate gets into out the pool, and the pool bottom sets up the delivery port.

In order to ensure that the aeration is more uniform, the reaction zone aeration opening and the clear water zone aeration opening of the integrated sewage treatment device are internally connected with perforated pipes for uniform aeration, the outside is connected with an aeration fan through a pipeline and a valve, and the corresponding aeration amount is adjusted by adjusting the reaction zone air inlet valve and the clear water zone air inlet valve.

In order to make the water inlet more uniform, the water inlet is connected with a water inlet distribution pipe with more than one water outlet hole, and the water inlet distribution pipe is arranged at the bottom in the electrolytic zone.

In order to be used for regularly discharging sludge obtained by separation in wastewater, sludge discharge hoppers are arranged below an electrolysis area, a reaction area, an inclined plate precipitation area and a clear water area, the sludge discharge hoppers are respectively represented by the sludge discharge hopper of the electrolysis area, the sludge discharge hopper of a solid-liquid separation area and the sludge discharge hopper of the clear water area, the sludge discharge hopper is shared by the reaction area and the inclined plate precipitation area, a sewage discharge outlet of the electrolysis area is arranged below the electrolysis area and communicated with the sludge discharge hopper of the electrolysis area, a sewage discharge outlet of the solid-liquid separation area is arranged below the reaction area and the inclined plate precipitation area and communicated with the sludge discharge hopper of the corresponding clear water area, a sewage discharge outlet of the electrolysis area is arranged on the sewage discharge outlet of the electrolysis area, a sewage discharge valve of the solid-liquid separation area is arranged on the sewage discharge outlet of the solid-liquid separation area, and a sewage discharge valve of the clear water area is arranged on the.

For convenient installation, four angles in integral type sewage treatment plant top all are equipped with the lug that is used for integral type sewage treatment plant's hoist and mount effect.

The utility model discloses a waste water purification treatment system based on electric flocculation technique that obtains has following advantage:

1) a technology integrating multiple effects of oxidation, reduction, flocculation, sterilization and the like, and can efficiently realize the transformation and destabilization sedimentation effects of multiple pollutants in the treated wastewater;

2) the high-activity flocculating agent is generated in situ by the electric flocculation, the addition of an inorganic flocculating agent is avoided, and the addition of chloride ions or sulfate ions is avoided, so that the method is a wastewater treatment technology without secondary pollution really, feasibility is provided for recycling after wastewater treatment, and the cost is relatively low;

3) oxygen generated by water electrolysis in the electrocoagulation process and gas generated by an aeration system in the process and equipment not only meet the process requirements, but also increase dissolved oxygen in water, and no additional oxygenation equipment is needed when the system discharges water for use;

4) the effluent of the electric flocculation system has obvious sterilization effect, and can be directly used without equipment sterilization treatment in the later period;

5) the sludge collected by the structure can be directly used as fertilizer after being dehydrated for resource utilization;

6) the structure has the advantages of obvious water-saving property, high efficiency, simplicity, practicability, small occupied area, easy acceptance by wide, medium and small-sized cultivators in China, great economic benefit and social benefit, relatively low purification cost, no need of manual operation and high working efficiency.

Drawings

FIG. 1 is a schematic view showing the construction of a wastewater purification treatment system based on the electric flocculation technique in example 1.

In the drawings: a wastewater lift pump 101, a flowmeter 102, a flow regulating valve 103, an integrated sewage treatment device 104, a power supply 105, a fan 106, an electrolysis zone 1, a reaction zone 2, an inclined plate precipitation zone 3, a clean water zone 4, a first clean water zone 5, a second clean water zone 6, a water outlet zone 7, a water inlet 8, a water inlet distribution pipe 9, a water inlet distribution hole 10, an electrolysis polar plate 11, an electrolysis zone overflow plate 12, a reaction zone dosing port 13, a reaction zone aeration port 14, an inclined plate precipitation zone baffle 15, an inclined plate filler 16, an inclined plate precipitation zone overflow plate 17, a clean water zone dosing port 18, a clean water zone baffle 19, a clean water zone aeration port 20, a clean water zone overflow plate 21, a water outlet 22, a top cover 23, a reaction zone air inlet valve 24, a clean water zone air inlet valve 25, an electrolysis zone sludge hopper 26, a solid-liquid separation zone sludge hopper 27, a clean water zone sludge hopper 28, an electrolysis zone sewage outlet separation zone 29, a solid-liquid sewage outlet 30, a clean water zone sewage outlet 31, a blow-off valve 32 of the electrolysis area, a blow-off valve 33 of the solid-liquid separation area, a blow-off valve 34 of the clean water area, a flow port 35 and a lifting lug 36.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

Example 1:

as shown in fig. 1, the system for purifying and treating wastewater based on the electrocoagulation technology provided in this embodiment mainly includes a wastewater lift pump 101, an integrated wastewater treatment device 104, a power supply 105 and a fan 106 which are connected with each other, wherein the integrated wastewater treatment device 104 is divided into an electrolysis zone 1, a reaction zone 2, an inclined plate sedimentation zone 3, a clear water zone 4 and a water outlet zone 7.

In order to make the equipment simpler and further reduce labor cost, the output end of the wastewater lift pump 101 is connected with the water inlet 8 of the integrated sewage treatment device 104 through a flow meter 102, a flow control valve 103 and a corresponding pipeline, an electrolysis polar plate 11 is filled in the electrolysis region 1, the electrolysis polar plate 11 is connected with an external power supply 105 through a cable, the electrolysis region 1 is connected with the reaction region 2 through an electrolysis region overflow plate 12, water flows into the reaction region 2 through the electrolysis region overflow plate 12, a reaction region dosing port 13 leading to the reaction region 2 is arranged on a top cover 23 of the integrated sewage treatment device 104, a reaction region aeration port 14 communicated with the reaction region 2 is arranged on the side wall of the integrated sewage treatment device 104, an inclined plate sedimentation region baffle 15 which can only send the sewage output by the reaction region 2 into the inclined plate sedimentation region 3 from the lower part is arranged on the side of the reaction region 2, an inclined plate filler 16 is arranged in the inclined plate sedimentation region 3, and the inclined plate, the device is used for solid-liquid separation, an inclined plate sedimentation area overflow plate 17 is arranged between an inclined plate sedimentation area 3 and a clear water area 4, water flow passes through the inclined plate sedimentation area overflow plate 17 to enter the clear water area 4, a clear water area baffle 19 which isolates the clear water area 4 into a first clear water area 5 and a second clear water area 6 is arranged in the clear water area 4, a circulation port 35 is arranged below the clear water area baffle 19, a clear water area dosing port 18 which leads to the first clear water area 5 is arranged on a top cover 23 of the integrated sewage treatment device 104, a clear water area aeration port 20 which is communicated with the second clear water area 6 is arranged on the side wall of the integrated sewage treatment device 104, a clear water area overflow plate 21 is arranged between the second clear water area 6 and a water outlet area 7, water flow passes through the clear water area overflow plate 21 to enter the water outlet area 7, and a water outlet 22 is arranged at the bottom of the water outlet area 7.

In order to make the aeration more uniform, perforated pipes (not shown) are connected inside the reaction zone aeration opening 14 and the clean water zone aeration opening 20 of the integrated sewage treatment device 104 for uniform aeration, and the specific positions of the perforated pipes and the specific structures of the perforated pipes are conventional in the art in this embodiment, so that they are not described in detail, and the aeration fan 106 is connected outside through pipes and valves, and the corresponding aeration amount is adjusted by adjusting the reaction zone air inlet valve 24 and the clean water zone air inlet valve 25.

In order to make the water inlet more uniform, the water inlet 8 is connected with a water inlet distribution pipe 9 with more than one water outlet hole 10, and the water inlet distribution pipe 9 is arranged at the bottom position in the electrolysis zone 1.

In order to discharge sludge separated from wastewater regularly, sludge discharge hoppers are respectively arranged below the electrolysis region 1, the reaction region 2, the inclined plate sedimentation region 3 and the clear water region 4 and are respectively represented by an electrolysis region sludge discharge hopper 26, a solid-liquid separation region sludge discharge hopper 27 and a clear water region sludge discharge hopper 28, and the reaction region 2 and the inclined plate sedimentation region 3 share one sludge discharge hopper, a sewage outlet 29 of the electrolysis area, which is communicated with the sludge discharge hopper 26 of the electrolysis area, is arranged below the electrolysis area 1, a solid-liquid separation zone sewage outlet 30 communicated with a corresponding solid-liquid separation zone sludge discharge hopper 27 is arranged below the reaction zone 2 and the inclined plate sedimentation zone 3, a clean water region sewage discharge port 31 communicated with the corresponding clean water region sludge discharge hopper 28 is arranged below the clean water region 4, the sewage outlet 29 of the electrolysis zone is provided with an electrolysis zone sewage valve 32, the sewage outlet 30 of the solid-liquid separation zone is provided with a solid-liquid separation zone sewage valve 33, and the sewage outlet 31 of the clear water zone is provided with a clear water zone sewage valve 34.

For convenience of installation, lifting lugs 36 for lifting the integrated sewage treatment device 104 are arranged at four corners above the integrated sewage treatment device 104.

The processing method of the system specifically comprises the following steps:

A) the wastewater enters an integrated sewage treatment device 104 after being lifted by a wastewater lifting pump 101;

B) wastewater entering the integrated sewage treatment device 104 firstly enters the electrolysis zone 1, the electrolysis polar plate 11 in the electrolysis zone 1 releases polar plate metal ions under the action of a pulse electric field provided by the power supply 105, and a high-activity flocculating agent is generated in situ, and the flocculating agent realizes destabilization flocculation on pollutants by cooperating with an electrochemical reaction under the action of the electric field;

C) then the wastewater enters a reaction zone 2, the wastewater after destabilization flocculation enters the reaction zone 2, a coagulant aid is added into a chemical adding port 13 of the reaction zone to promote the further growth of pollutant flocs, and air is introduced into an aeration port 14 of the reaction zone to improve dissolved oxygen and promote floc collision reaction;

D) the wastewater after full reaction enters an inclined plate sedimentation zone 3, and the gravity sedimentation of the wastewater is accelerated under the action of an inclined plate filler 16, so that solid-liquid separation is realized;

E) clear water after solid-liquid separation enters the clear water area 4, the water quality is adjusted by adding a medicament into the medicament adding port 18 of the clear water area, aeration and oxygenation are carried out on the water quality by utilizing aeration, and then the clear water is discharged through the water outlet 22, and the discharged water can be mixed with the fresh water to realize the recycling of aquatic products or livestock breeding.

Further, the material of the electrolytic plate 11 in step B is one or more of iron, steel, aluminum, and titanium.

The coagulant aid added in the step C is polyacrylamide polymer coagulant aid which can be one or more of anionic type, cationic type, nonionic type and amphoteric type, and the medicament added in the step E is pH adjusting medicament which can be one of sodium hydroxide, hydrochloric acid and sulfuric acid.

The polyacrylamide-based polymer coagulant aid described in this example is a conventional coagulant aid and is commercially available. The coagulant aid which is preferably considered to be added in this example is an anionic polyacrylamide aid.

In this embodiment, the water quality adjustment in step E mainly adjusts the pH value of the wastewater to meet the effluent requirement, and during the water quality adjustment, a chemical agent with a certain aqueous solution concentration, which is mainly hydrochloric acid, sulfuric acid, sodium hydroxide or sodium carbonate, may be added to the chemical adding port 18 in the clean water region.

The aeration time of the clean water zone 4 and the reaction zone 2 in this embodiment can be adjusted by the height of the aeration port and the aeration pipe, the aeration air quantity is adjusted by the air inlet valve arranged in the corresponding aeration pipe, and the aeration mode in this embodiment adopts a perforated aeration pipe (not shown in the figure) and is a conventional technology, so it is not specifically described here.

In this embodiment, the solid pollutants rich in nitrogen and phosphorus obtained by the process separation of the whole process enter the sludge discharge hopper at the bottom of the integrated sewage treatment device 104, and then are discharged periodically by opening the corresponding sewage discharge outlets, and the sludge obtained by the discharge can be used as crop fertilizer after being dehydrated, so that the recycling is realized.

In this embodiment, a top cover 23 of the integrated treatment apparatus 104 is provided with a reaction area dosing port 13 for dosing coagulant aid, which promotes flocculation to grow further, so as to form a better flocculation effect, and in addition, a reaction area aeration port 14 is arranged outside the integrated treatment apparatus 104, and the reaction area aeration port 14 is connected with an aeration fan 106 through an aeration pipe (not shown in the figure) and is used for receiving gas blown by the external aeration fan 106, so that on one hand, oxygenation to a water body is realized to promote oxidation of ferrous ions (when the used plate material has an iron plate), on the other hand, physicochemical reactions of pollutants, inorganic flocculant and polymer coagulant aid are promoted, and the efficiency of water treatment is improved.

Meanwhile, the inclined plate settling zone 3 in this embodiment is filled with an inclined plate filler 16 for improving solid-liquid separation efficiency, reducing residence time and reducing the floor area of the equipment.

The whole technical characteristics of this embodiment is that corresponding baffles and overflow plates are arranged in the corresponding electrolysis zone 1, reaction zone 2, inclined plate precipitation zone 3 and clean water zone 4, so that the fluid moves in the integrated sewage treatment device 104 in a vertical baffling manner (the specific water flow direction is shown as an arrow in figure 1), the residence time ratio and liquid level of each zone are adjusted by the position of the baffles and overflow plates in each zone, and finally an integrated device integrating electrolysis, reaction, solid-liquid separation and water quality regulation functions is realized, meanwhile, the electrolysis zone is filled by electrolysis polar plates which are parallel to each other and are separated by a certain distance, the pulse electric fields at two ends of the electrolysis polar plates are provided by a power supply 105, the power supply 105 is a pulse direct current power supply, the current, voltage and duty ratio of the power supply can be automatically regulated according to the operation condition of the device and the water quality parameters of inlet and outlet water, and the power supply can periodically reverse the output cathode and anode, the uniform consumption of the cathode and the anode in the polar plate is ensured, the reversing period can be 5-60min, preferably 15-30min, therefore, the structure of the embodiment can remove COD, suspended matters, nitrogen and phosphorus and other organic matters in the aquatic/livestock and poultry breeding wastewater, simultaneously has the functions of degerming and algae killing, the aquatic/livestock and poultry breeding wastewater is clarified after being treated by the process and the equipment, meets the recycling requirements in various aspects such as bacteria, algae, dissolved oxygen and the like, can be directly mixed with fresh water and reused in a breeding system, realizes the zero discharge of the aquatic or livestock and poultry breeding wastewater, and combines the functions, the utility model can be used for the purification treatment of aquatic or cultured livestock and poultry, mainly comprises a wastewater lifting subsystem and an integrated wastewater treatment subsystem, wherein the wastewater lifting subsystem comprises a wastewater lifting pump, a flowmeter, a flow regulating valve and a corresponding pipeline for water inlet, a waste water for providing certain flow, integral type sewage treatment subsystem comprises integral type sewage treatment plant, fan, power and corresponding coupling assembling, is the utility model discloses a core, integral type sewage treatment plant are kept apart into electrolysis district, reaction zone, swash plate sedimentation district and the clear water district that switches on by multistage overflow board and baffle, and the electrolysis district contains the sacrificial polar plate that the multiunit parallel was arranged, realizes the destabilizing flocculation of waste water pollutant, and the reaction zone includes coagulant aid and adds medicine structure and aeration equipment, mainly plays the effect that promotes flocculation. The inclined plate sedimentation area accelerates solid-liquid separation to obtain clear water, and the clear water area comprises a water quality regulator dosing structure and an aeration device, and is used for water quality adjustment and aeration oxygenation to meet the water outlet requirement. The water flow in the integrated sewage treatment device flows in an up-down baffling mode in sequence in each area, the liquid level of each area is controlled by the height of the corresponding overflow plate and is not interfered with each other, and the hydraulic retention time of each area is controlled by the relative position of the corresponding overflow plate baffle, so that high-efficiency treatment can be realized.

Claims

1. The utility model provides a waste water purification treatment system based on electric flocculation technology which characterized in that: mainly comprises a wastewater lifting pump (101), an integrated sewage treatment device (104), a power supply (105) and a fan (106) which are connected with each other, wherein the integrated sewage treatment device (104) is divided into an electrolysis region (1), a reaction region (2), an inclined plate precipitation region (3), a clear water region (4) and a water outlet region (7), the output end of the wastewater lifting pump (101) is connected with a water inlet (8) of the integrated sewage treatment device (104) through a flowmeter (102), a flow control valve (103) and a corresponding pipeline, an electrolysis polar plate (11) is filled in the electrolysis region (1), the electrolysis polar plate (11) is connected with an external power supply (105) through a cable, the electrolysis region (1) is connected with the reaction region (2) through an electrolysis region overflow plate (12), water flows through the electrolysis region overflow plate (12) to enter the reaction region (2), a reaction region dosing port (13) leading to the reaction region (2) is arranged on a top cover (23) of the integrated sewage treatment device (104), a reaction zone aeration port (14) communicated with the reaction zone (2) is arranged on the side wall of the integrated sewage treatment device (104), an inclined plate sedimentation zone baffle (15) which can only send the sewage output by the reaction zone (2) into the inclined plate sedimentation zone (3) from the lower part is arranged on the side edge of the reaction zone (2), inclined plate filler (16) is arranged in the inclined plate sedimentation zone (3), an inclined plate sedimentation zone overflow plate (17) is arranged between the inclined plate sedimentation zone (3) and the clear water zone (4), water flow enters the clear water zone (4) through the inclined plate sedimentation zone overflow plate (17), the clear water zone (4) is internally provided with a clear water zone baffle (19) which separates the clear water zone (4) into a first clear water zone (5) and a second clear water zone (6), a flow (35) is arranged below the clear water zone baffle (19), and a clear water zone chemical adding port (18) leading to the first clear water zone (5) is arranged on a top cover (23) of the integrated sewage treatment device (104), the side wall of the integrated sewage treatment device (104) is provided with a clear water area aeration opening (20) communicated with the second clear water area (6), a clear water area overflow plate (21) is arranged between the second clear water area (6) and the water outlet area (7), water flow passes through the clear water area overflow plate (21) to enter the water outlet area (7), and the bottom of the water outlet area (7) is provided with a water outlet (22).

2. The wastewater purification treatment system based on the electrocoagulation technology as claimed in claim 1, wherein the reaction zone aeration port (14) and the clean water zone aeration port (20) of the integrated wastewater treatment device (104) are connected with perforated pipes for uniform aeration, the outside is connected with an aeration fan (106) through a pipeline and a valve, and the corresponding aeration amount is adjusted by adjusting the reaction zone air inlet valve (24) and the clean water zone air inlet valve (25).

3. The electric flocculation technology-based wastewater purification treatment system according to claim 2, wherein the water inlet (8) is connected with a water inlet distribution pipe (9) with more than one water outlet hole (10), and the water inlet distribution pipe (9) is arranged at the bottom position in the electrolysis zone (1).

4. The wastewater purification treatment system based on the electrocoagulation technology as claimed in claim 1, 2 or 3, wherein a sludge discharge hopper is arranged below the electrolysis zone (1), the reaction zone (2), the inclined plate sedimentation zone (3) and the clean water zone (4), and is respectively represented by an electrolysis zone sludge discharge hopper (26), a solid-liquid separation zone sludge discharge hopper (27) and a clean water zone sludge discharge hopper (28), the reaction zone (2) and the inclined plate sedimentation zone (3) share one sludge discharge hopper, an electrolysis zone sewage discharge outlet (29) communicated with the electrolysis zone sludge discharge hopper (26) is arranged below the electrolysis zone (1), a solid-liquid separation zone sewage discharge outlet (30) communicated with the corresponding solid-liquid separation zone sludge discharge hopper (27) is arranged below the reaction zone (2) and the inclined plate sedimentation zone (3), a clean water zone sewage discharge outlet (31) communicated with the corresponding clean water zone sludge discharge hopper (28) is arranged below the clean water zone (4), an electrolysis region blow-down valve (32) is arranged on the electrolysis region blow-down port (29), a solid-liquid separation region blow-down valve (33) is arranged on the solid-liquid separation region blow-down port (30), and a clear water region blow-down valve (34) is arranged on the clear water region blow-down port (31).

5. The wastewater purification treatment system based on the electric flocculation technology of claim 1, 2 or 3, wherein lifting lugs (36) for lifting the integrated wastewater treatment device (104) are arranged at four corners above the integrated wastewater treatment device (104).