199 results about "Electro flocculation" patented technology

The invention relates to the technical field of electrochemical water treatment, and discloses a high-salt waste liquid electric flocculation hardness removal and electrodialysis resourceful treatment method and a high-salt waste liquid electric flocculation hardness removal and electrodialysis resourceful treatment system. The method comprises the following steps: collecting water quality parameters of the high-salt waste liquid and initial electrochemical impedance spectroscopy parameters of a polar plate; calculating the initial current density according to the hardness and the conductivity, carrying out electric flocculation treatment, monitoring impedance spectrum change in real time, identifying the scaling type, and predicting the residual operation time of the polar plate; the current density is optimized according to the prediction time, and the residual hardness is calculated; and adjusting electrodialysis parameters by taking the residual hardness as a feedforward signal for concentration, and performing bipolar membrane electrodialysis on the concentrated solution to obtain acid-alkali liquor. The problems that in the electrochemical treatment process of the high-salt waste liquid, the state of a polar plate cannot be monitored in real time, consequently, operation parameters are adjusted blindly, and energy consumption is high and the recycling efficiency is low due to the fact that parameters of a pretreatment unit and parameters of a pretreatment unit are not linked are solved.

The invention discloses a circuit board wastewater heavy metal removal method and system, and the method comprises the steps: monitoring the concentration and valence distribution of heavy metal ions in circuit board wastewater in real time, and generating wastewater heavy metal form distribution characteristics in combination with oxidation-reduction potential and pH value; based on wastewater heavy metal form distribution characteristics, adjusting an oxidation-reduction environment to generate heavy metal ion enriched wastewater; the method comprises the following steps: introducing heavy metal ion enriched wastewater into an electric flocculation reactor, applying a periodic electric field through a programmable pulse power supply to dissolve an aluminum or iron anode to release a multi-core hydroxyl complex, and carrying out a co-precipitation reaction with heavy metal ions to generate a flocculating constituent suspension; and introducing the flocculating constituent suspension into a rotational flow clarification and separation device, realizing mud-water separation through centrifugal sedimentation and inclined plate separation, outputting supernate, discharging the supernate after reaching the standard, and recovering precipitated sludge rich in heavy metals. By utilizing the embodiment of the invention, efficient breaking and separation of the complex-state heavy metals can be realized, and good environmental benefits and resource values are achieved.

The present application relates to the field of sewage purification, and discloses a household micro sewage treatment system and a sewage treatment method, which comprises the following steps: building a septic tank; preparing a household micro sewage treatment system, an aeration system and suspended filler for microbial attachment; pumping clarified liquid by a lifting pump, and the clarified liquid enters a contact oxidation zone, and microorganisms degrade COD and BOD in the clarified liquid; the clarified liquid at the contact oxidation zone flows into an electrocoagulation zone, and electrocatalytic flocculation is performed; then, pollutants and phosphorus in the clarified liquid are filtered by a filtering zone, and the clarified liquid forms purified water; the purified water is taken from a water outlet zone, and is used for crop irrigation; or, a landscape zone for breeding aquatic plants or plankton is arranged at the water outlet zone. In the present application, the contact oxidation zone, the electrocoagulation zone, the filtering zone and the water outlet zone are sequentially and continuously arranged from bottom to top, and the arrangement structure of the whole household micro sewage treatment system is compact, and it is more convenient to arrange the system in a separate house environment in rural areas.

The invention relates to the technical field of measurement data processing, in particular to an electric flocculation water treatment equipment detection method and system, and the method comprises the steps: carrying out the global loss detection of each flocculation tube according to a current treatment task, and obtaining the current impedance value of each flocculation tube electrode; setting an electrode passivation upper limit based on an electrode material of the flocculation tube, and when the current impedance value exceeds the upper limit, recording the duration of exceeding the standard; carrying out loss division on the flocculation tube according to the continuous standard exceeding duration; based on a grading result, establishing a mapping rule of loss grades and operation parameters, and generating a current density suggestion value data table and a water flow speed suggestion value data table corresponding to the loss grades; and outputting an equipment state detection report containing the current density suggestion value data table and the water flow speed suggestion value data table. By means of the method, the problems of how to achieve quantitative evaluation and visual expression of the electrode loss state of the electric flocculation equipment and process instability caused by electrode passivation in the cooperative unbalance process of multiple flocculation tube clusters are effectively solved.

The invention discloses a composite electric field catalytic oxidation synergistic oil and gas field produced water treatment method which comprises the following steps: acquiring an electric flocculation effect generated by a corrosion-resistant titanium-based coating anode and a stainless steel cathode under optimized pulsed electric field parameters through a turbidity sensor and a particle size analyzer, and superposing low-frequency pulses in a composite pulse mode, maintaining the temperature of the reactor to be 20-40 DEG C in combination with a temperature control system to obtain initial floc particle size distribution and concentration data; the concentration state of the floc in the concentration tank is monitored by adopting a conductivity sensor according to the amount of the floc in the concentration tank treatment pollution discharge scheduling scheme, the content of remaining oil drops and suspended solids is analyzed in combination with an emulsion monitoring module, and the water quality parameter change of the concentration tank is recorded through a data analysis system, so that a final water quality treatment result is determined.

This invention concerns an installation and method for treating a first stream (S1) of a colloidal suspension of water and ultra-fine particles and a second stream (S2) of heavy oil, both of which streams are derived from treating a flow of heavy crude oil or bitumen, to convert them into separate streams of clean water, clean oil, decanted solids and usable gases. The first stream (S1) is treated in a series of electro-kinetic reactors (20) operating by electrolysis / electro flocculation and water tank clarifiers (30) connected in parallel. The second stream (S2) is treated in ultrasound cyclone chambers (40). Released gas is collected from the tops of the electro-kinetic reactors (20) and the ultrasound cyclone chambers (40). Decanted solids are collected from the bottoms of the electro-kinetic reactors (20) and the ultrasound cyclone chambers (40). Clean water is collected from the water tank clarifiers (30). Clean oil is collected from the ultrasound cyclone chambers (40).

The utility model relates to an electrode assembly with discharge bulges and a water treatment device adopting the same. The electrode assembly comprises two electrode plates which are oppositely arranged, discharging protrusions are arranged on the surfaces of the discharging sides of the electrode plates, a gap is reserved between the discharging protrusion on any electrode plate and the other electrode plate, and the discharging sides of the discharging protrusions are of a mushroom head structure and are installed on the electrode plates in a detachable connection mode. The water treatment device is provided with a pretreatment tank or an electric flocculation tank, the electrode assembly is arranged in the pretreatment tank or the electric flocculation tank, outlet water of the pretreatment tank or the electric flocculation tank is connected into an aerobic tank, outlet water of the aerobic tank is connected into a secondary sedimentation tank, and outlet water of the secondary sedimentation tank is connected into a clean water tank. The electrode assembly provided by the utility model can reduce the discharge voltage requirement under the condition of keeping a relatively large discharge current, so that the preparation cost and the operation cost are further reduced, and scaling separation after positive and negative electrode guiding is facilitated.

The invention discloses a sewage advanced treatment device of an electric flocculation-AOA type MBBR coupled gravity-driven membrane bioreactor for rural domestic sewage treatment and a water treatment method, through the coupling effect of an electric flocculation basin and an AOA type MBBR coupled gravity-driven ceramic membrane bioreactor, gravity driving is adopted, and the sewage advanced treatment device is used for treating rural domestic sewage. The device has the advantages of flexible operation, low water loss, impact load resistance and the like, and regular backwashing or replacement of filter materials and aerators is not needed. Compared with a traditional MBR membrane, the MBBR process has the advantages that the mechanical strength is remarkably improved, the service life is remarkably prolonged, the membrane pollution problem is solved, the membrane flux is increased, the operation and maintenance cost is reduced, the nitrogen and phosphorus removal capacity is improved, a carbon source in raw water can be fully utilized, deep decarburization can be performed without additionally adding the carbon source, and the energy consumption is reduced. Meanwhile, the method also has the advantages of low energy consumption and the like, so that by adopting the AOA process, the carbon source requirement is reduced, the carbon emission is reduced, and low-carbon operation is realized.

The utility model discloses integrated mariculture tail water treatment equipment which comprises an electrolysis area, a settling area and an ultrafiltration area which are arranged in a frame, the electrolysis area and the ultrafiltration area are positioned on two sides of the settling area; an electric flocculation device is arranged in the electrolysis area; a plurality of groups of inclined plates are arranged in the settling zone, and a sludge compacting device is arranged at the bottom; according to the tail water treatment device, tail water can be treated, the efficiency is high, and secondary pollution to the tail water is avoided.

The present invention discloses a rainwater treatment device and a rainwater treatment method. The rainwater treatment device includes a rainwater gutter, an adjustable power supply, an electric flocculation reactor, a normally open electromagnetic water valve and a ceramic membrane; the device also includes an aeration pipe, which is arranged on a pipe between the electric flocculation reactor and the normally open electromagnetic water valve, and the ceramic membrane is located in a pipe joint behind the electromagnetic water valve; the present invention uses a gravity-driven electric flocculation method to treat rainwater, which has a better floc formation rate than traditional electric flocculation, and can prevent the cathode from generating an oxide film during the reverse aeration process, effectively ensuring the stability of the water flux and extending the service life of the electric flocculation reactor; in addition, combined with the strong mechanical properties and stable chemical properties of the ceramic membrane, the water outlet at the end of the electric flocculation is directly connected to the ceramic membrane for membrane filtration, thereby achieving a fast and convenient water purification and production effect; and in actual use, the device uses the gravity of the water body itself as a driving force, saving energy consumption.

The invention relates to a method for removing PFASs in industrial wastewater through metal ion reinforced ferroelectric flocculation, and belongs to the technical field of electrochemical water treatment. The method comprises the following steps that an iron plate serves as an anode, a stainless steel plate serves as a cathode, one or more metal ions of Co < 2 + >, Ni < 2 + >, Zn < 2 + > and Cu < 2 + > are added, and under the aerobic or anaerobic condition, the initial pH of wastewater is regulated to be 4-7, the metal ion concentration is 0.5-2.0 mM, the electrolysis time is 10-120 min, and the current density is 2.5-30 mA / cm < 2 >. According to the method for treating the PFASs in the industrial wastewater through the metal ion reinforced ferroelectric flocculation, the removal efficiency of the PFASs can be improved, the energy consumption and the iron consumption are reduced, and the metal ions can also be synchronously removed.

The application provides an electro-catalysis and electro-flocculation coupled wastewater treatment system and method. The system comprises a water inlet tank, a middle water tank, a water outlet tank, A and B electrode groups, and A and B diode switches. The A and B electrode groups each comprise one or more than two electrodes in series, and the electrodes use a tubular electrode plate with a coaxial middle axis and a detachable columnar electrode plate as cathode and anode plates. The water inlet tank is connected to the middle water tank through the channels between the cathode and anode of each electrode of the A electrode group. The middle water tank is connected to the water outlet tank through the channels between the cathode and anode of each electrode of the B electrode group. The circuit currents of the A and B electrode groups are reversely connected in parallel, and the A and B diode switches are arranged at the anode interfaces of the two electrode groups. The ratio of the product of the total water resistance of the A electrode group and the maximum anode area to the product of the total water resistance of the B electrode group and the minimum anode area is not more than 1:5. The electro-catalysis and electro-flocculation are coupled to treat wastewater under the same alternating current power supply.

The invention relates to the technical field of industrial wastewater treatment and solid waste resource utilization, in particular to a coal-containing wastewater electric flocculation sludge full-quantitative resource recovery system and method, which comprises a coal water adjusting tank, an electric flocculation device, a magnetic separation mechanism, an iron-rich sludge resource treatment mechanism and an aluminum-rich sludge resource treatment mechanism, the coal water adjusting tank, the electric flocculation device and the magnetic separation mechanism are sequentially communicated, and the iron-rich sludge resourceful treatment mechanism and the aluminum-rich sludge resourceful treatment mechanism are both communicated with the magnetic separation mechanism; wherein the electric flocculation device is provided with a magnetic powder feeding mechanism, and the magnetic separation mechanism is reversely communicated with the magnetic powder feeding mechanism. According to the method, high-efficiency separation and gradient recovery of two valuable metals of iron and aluminum can be realized, the product is upgraded from low-value mixed sludge to a high-purity iron-based product and an aluminum-based coagulant, the problem of final treatment of the sludge is thoroughly solved, and resource recycling of solid wastes is realized.

The invention provides a ship engine tail gas washing wastewater treatment device and an operation method thereof, belongs to the technical field of ship wastewater treatment, and solves the problem that the existing ship tail gas washing wastewater treatment technology has obvious limitation. The PH adjusting box, the first control valve, the electrostatic flocculation device, the second control valve and the centrifugal machine are sequentially connected, a waste liquid outlet of the centrifugal machine can be communicated with the first discharge pipeline or the membrane separator, an outlet of the membrane separator is communicated with the second discharge pipeline through the seventh control valve, and the input end of the sixth control valve is communicated with the outlet of the membrane separator. Two ends of the fifth control valve are respectively communicated with the output end of the sixth control valve and the inlet of the membrane separator, two ends of the third control valve are respectively communicated with the output end of the sixth control valve and the inlet of the centrifugal machine, and the wastewater monitoring device can monitor the quality of wastewater at the outlet of the centrifugal machine and the outlet of the membrane separator. The device can efficiently remove various pollutants in the washing wastewater.

The present invention is used in the technical field of wastewater treatment. Disclosed is a modular integrated electrolysis-electrocoagulation wastewater treatment system. The wastewater treatment system comprises a C module, an A module, a B module, an S module, and an F module. In the modular integrated electrolysis-electrocoagulation wastewater treatment system, when treating different types of wastewater, a plurality of treatment modules are combined and installed in a specific sequence, and when conductive electrode plates are energized, pollutants in the water undergo redox reactions, so that the pollutants in the wastewater can react with different metal ions to form flocs, and the flocs precipitate out. For different types of wastewater, the same types of treatment modules are used but are installed in different sequences. Provided is a working mode in which the treatment sequence varies for different types of pollutants, so that some pollutants that are initially non-reactive with a specified module can react with the specified module after undergoing electrolysis or electrocoagulation reactions with other modules, thereby achieving a better treatment effect.

The present invention relates to a zero-discharge treatment system and method for regenerated wastewater from a soft water station. The system includes a regulating tank, a vortex-type hydraulic cavitation accelerated coagulation nucleation unit, an electroflocculation-microfiltration unit, and an electrodialysis-electrolysis unit. The vortex-type hydraulic cavitation accelerated coagulation nucleation unit is composed of a vortex-type hydraulic cavitation device and a scale separation device, and the scale separation device includes a magnesium scale and separation device and a calcium scale and separation device. The electroflocculation-microfiltration unit is composed of an electroflocculation tank and a microfiltration tank, and the electrodialysis-electrolysis unit is an electrodialysis-electrolysis tank. The regenerated wastewater first passes through the vortex-type hydraulic cavitation accelerated coagulation nucleation unit to degrade organic matter and remove hardness. The residual flocculants, colloids, and hardness are then deeply treated by the electroflocculation-microfiltration unit. Finally, the wastewater is concentrated by the electrodialysis-electrolysis unit. While achieving zero discharge in the process, it can also generate certain economic value. The system occupies a small area and has low investment and operation and maintenance costs.

This invention discloses an apparatus and process for removing hexavalent chromium ions from water, comprising: a positive electrode reaction chamber, a negative electrode reaction chamber, an electrocoagulation reaction chamber, and a sedimentation tank. The positive electrode reaction chamber contains graphite plates A and B, and is filled with brine. The negative electrode reaction chamber contains porous carbon material, with a sponge-structured graphite plate connected to the negative electrode of a DC power supply. Graphite plate C is laid flat at the bottom of the negative electrode reaction chamber and connected to graphite plate B. A buffer zone is connected to the electrocoagulation reaction chamber, which contains an array of iron electrodes. The iron electrodes at the two edges of the array are connected to the positive and negative electrodes of a second DC power supply. The bottom of the electrocoagulation reaction chamber is connected to the sedimentation tank. This invention requires only electricity and a small amount of iron to remove hexavalent chromium ions from water, significantly reducing the use of reducing agents, chemicals, acids, and alkalis in traditional hexavalent chromium treatment processes, and producing effluent with a salt content far lower than that of traditional treatment processes.

The present invention relates to a system or method for the remediation of wastewater with a treatment media in tandem with an electrocoagulation system. The system and method also include cleaning elements for cleaning distribution lines within the system and for cleaning the electrocoagulation system.

The utility model relates to the technical field of electrolysis devices, and provides an efficient flocculation electrolysis reaction device which comprises an electrolytic tank, an anode plate and a cathode plate are arranged in the electrolytic tank in a spaced mode, an oxygen collector covering the anode plate and a hydrogen collector covering the cathode plate are arranged in the electrolytic tank, and the electrolytic tank is connected with a heater. The heater is connected with a water inlet pipe, the oxygen collector and the hydrogen collector are respectively connected with an oxygen storage tank and a hydrogen storage tank through a first exhaust pipeline and a second exhaust pipeline, and the hydrogen storage tank and the oxygen storage tank are both connected with the heater. By arranging the oxygen collector and the hydrogen collector, oxygen and hydrogen generated in the electrolysis process are collected and serve as fuel of the heater to heat sewage, energy is saved, the cost is reduced, meanwhile, the viscosity of the heated sewage is effectively reduced, molecular thermal motion is improved, the removal rate of heavy metal, SS, colloid and COD is increased, and the service life of the sewage is prolonged. And the electric flocculation treatment efficiency can be improved.

The invention discloses a device and a method for electrolytic purification treatment and synchronous electrolytic hydrogen production of mine water, the device comprises four stages of anode electrolytic flocculation tanks which are horizontally arranged in series, each stage of anode electrolytic flocculation tank is internally and symmetrically provided with two plate-shaped anodes, and two sides of each stage of anode electrolytic flocculation tank are symmetrically provided with cathode electrolytic water hydrogen production reaction tanks; a diaphragm is arranged between each stage of anode electrolysis flocculation tank and the corresponding cathode water electrolysis hydrogen production reaction tank; a disc-shaped micro-channel is arranged in the cathode water electrolysis hydrogen production reaction tank, and a plate-shaped cathode is mounted between the disc-shaped micro-channel and the diaphragm. The four-stage anode electrolytic flocculation basin is adopted, pollutants in the mine water are gradually and deeply removed through multi-stage continuous electrolysis and electric flocculation reaction, compared with a traditional single-stage treatment mode, the purification effect is remarkably improved, the content of impurities such as suspended solids and heavy metal ions in the mine water can be more effectively reduced, and the treated water quality is better.

The invention relates to the technical field of aquarium fish pond water and landscape water area water purification, and discloses an oxygenation, sterilization and electrocoagulation integrated aquarium fish pond water treater which comprises a shell, a plurality of electrocoagulation rods and ultraviolet lamps are fixedly installed in the shell, and oxygenation holes are formed in the bottom of the shell. Oxygen increasing holes are used for increasing oxygen and disturbing water flow to remove scale formed on the electrocoagulation rods, and meanwhile, rising water flow is formed between the electrocoagulation rods and around the ultraviolet lamp to drive water to flow; water in the fishpond continuously passes through the electrocoagulation rod and the periphery of the ultraviolet lamp, algae and turbid particles are flocculated and precipitated, pathogenic bacteria are killed, the electrocoagulation rod and the ultraviolet lamp efficiently work, meanwhile, the oxygenation effect is achieved, and a mechanism for cleaning the electrocoagulation rod is replaced. According to the invention, algae and turbid particles are flocculated and settled to the bottom of the pond, so that water in the aquarium fish pond is clear and transparent to the bottom, an ornamental effect is achieved, the algae settled to the bottom of the pond can be eaten by fishes to reduce food consumption, and various vitamins and carotene required by the fishes are supplemented.

The embodiment of the invention provides a decontamination wastewater treatment device and method. The device comprises a vehicle body; the wastewater treatment system is arranged on the vehicle body and comprises at least two groups of wastewater collection mechanisms, flocculation and filter pressing mechanisms, electric flocculation mechanisms, filtration and adsorption mechanisms and water quality detection mechanisms; the controller is electrically connected with the wastewater treatment system and is used for controlling the wastewater collection mechanism to carry out reduction, defoaming and mud-water separation on the decontamination wastewater to obtain first decontamination wastewater; controlling the flocculation filter pressing mechanism to perform hydraulic filter pressing on the first decontamination wastewater to obtain second decontamination wastewater; controlling the electric flocculation mechanism to perform electric flocculation on the second decontamination wastewater to obtain third decontamination wastewater; controlling the filtration and adsorption mechanism to perform activated carbon adsorption on the third decontamination wastewater to obtain a clear liquid; and receiving the water quality of the clear liquid detected by the water quality detection mechanism. According to the embodiment of the invention, the vehicle can quickly run to a to-be-treated site, and the use convenience is greatly improved.

This application relates to the field of solid waste resource utilization technology, specifically disclosing a method for synthesizing lithium iron phosphate based on sludge incineration ash through electrocoagulation-lithiation. The method involves leaching sludge incineration ash with dilute sulfuric acid to obtain a phosphate-containing acid leachate, followed by purification with a cation exchange resin to remove multivalent metal impurities. Using the purified phosphate solution as the base electrolyte, a lithium source, electrolyte, and organic carbon source are added, and the pH is adjusted. An iron plate is used as the anode and an inert electrode as the cathode for electrocoagulation. Fe²⁺ dissolved at the anode co-precipitates with PO₄³⁻ and Li⁺ in the solution to form a LiFePO₄ precursor slurry. Finally, solid-liquid separation, washing, drying, and programmed temperature sintering are performed to obtain a carbon-coated lithium iron phosphate composite material. This application has the advantage of achieving high-value utilization of sludge incineration ash.

The invention discloses a roof self-purification evaporative cooling method and system. The method comprises the following steps that S10, a roof is cooled through spraying of a spiral-flow type atomizing nozzle or rainwater; s20, the automatic flow discarding module collects spraying water or rainwater; the automatic flow discarding module discards spray water or rainwater with gravel impurities at the initial stage through the control system, and then discharges clear spray water or rainwater to the integrated electrochemical water treatment module; s30, in the integrated electrochemical water treatment module, spraying water or rainwater is subjected to electric flocculation precipitation through an electric flocculation unit, filtered through an oxygenation filtering unit and then subjected to electrooxidation disinfection treatment through an electrooxidation disinfection unit; and S40, the spraying water or rainwater subjected to electric flocculation and electrooxidation disinfection treatment is pumped and flows back to the spiral-flow type atomizing nozzle. Through the arrangement, roof rainwater can be effectively collected and purified, the problems of nozzle blockage and biological pollution caused by reuse water are solved, the roof temperature and the building cold load are reduced through intelligent spraying, and the system is suitable for humid and hot and high-radiation areas.

The utility model relates to the technical field of oil and gas field wastewater treatment, in particular to a novel electric flocculation and air floatation integrated device for oil and gas field wastewater treatment, which comprises a tank body, an electric flocculation and air floatation tank and a flocculation settling tank, a floating oil recovery scraper is mounted at the top of the electric flocculation air floatation tank, an oil collection tank is separated in the electric flocculation air floatation tank, and the floating oil recovery scraper is communicated with the oil collection tank. According to the device, the electrolytic flocculation equipment, the air floatation equipment and the sedimentation equipment are arranged to be an upper and lower split combined device, the three-in-one effect is achieved, the equipment structure is more reasonable, the treatment efficiency can be improved, meanwhile, the occupied area is reduced, the capital construction investment is saved, and the cost is reduced.

The waste incineration treatment device comprises an incineration tower, a waste gas treatment device and a fly ash treatment device, the waste gas treatment device comprises a waste gas input pipeline, a waste gas heating mechanism, a waste gas output pipeline and a waste gas filtering mechanism, and the waste gas heating mechanism comprises a plurality of reaction bins and a heating mechanism; the waste gas filtering mechanism is communicated with the reaction bins through waste gas output pipelines, injection pipelines are further arranged on the reaction bins, and an activated carbon filtering layer is arranged in the waste gas filtering mechanism; the fly ash treatment device comprises n treatment units, a conveying mechanism is arranged between the treatment units, each treatment unit comprises a treatment bin, a washing mechanism is arranged in each treatment bin, a circulating water mechanism is further arranged between the treatment units, and the drainage system of the (n + 1) th treatment unit is communicated with the water inlet system of the nth treatment unit. The drainage system of the first treatment unit is purified by the electric flocculation sewage treatment mechanism and then is discharged, and the discharge end of the final treatment unit is connected with a stacking mechanism for making bricks.

The utility model relates to a novel sleeve type wastewater electric flocculation device, which belongs to the technical field of electric flocculation devices and comprises a sleeve component, a reaction tank and an electric flocculation component, a water inlet of the reaction tank is connected with the sleeve component, the sleeve component comprises a delivery pipe and an outer sleeve, the outer sleeve is sleeved on the delivery pipe, the delivery pipe is communicated with the reaction tank, and the electric flocculation component is connected with the reaction tank. An inlet and an outlet are formed in the outer sleeve, the electric flocculation assembly comprises a mounting table, a mounting frame and pole plates, the pole plates are mounted on the mounting table through the mounting frame, during use, the conveying pipe in the sleeve assembly conveys high-temperature wastewater, low-temperature clean water is conveyed in the outer sleeve for heat exchange, then the wastewater reaches the reaction tank, and electric flocculation work is performed in the reaction tank; wherein wastewater entering the reaction tank from the sleeve assembly can flow between the polar plates and can wash out attached floccules, so that the polar plates can always efficiently and fully perform electric flocculation operation.

The application discloses a segmented electrochemical method coupled water treatment system and method suitable for circulating water reuse treatment, which comprises an electrostatic water treatment chamber, a water conveying pipeline, an ultrasonic wave generator, an electric flocculation water treatment device and a settler; the outlet of the electrostatic water treatment chamber is connected with the inlet of the electric flocculation water treatment device through the water conveying pipeline, the outlet of the electric flocculation water treatment device is connected with the inlet of the settler, and the water conveying pipeline is provided with an ultrasonic wave transducer; the ultrasonic wave transducer is connected with the ultrasonic wave generator; the system and the method can efficiently prevent and remove scale without adding reagents.

The invention relates to the technical field of glass grinding wastewater recovery treatment, and discloses a wastewater recovery device and a recovery method for glass grinding wastewater, the wastewater recovery device comprises an electric flocculation reactor, an inclined tube sedimentation tank and a vertical centrifugal dehydrator which are sequentially communicated along a wastewater treatment flow; the electric flocculation reactor comprises a reaction cylinder, a cathode electrode plate and an anode electrode plate, the cathode electrode plate is fixed on the peripheral side of an inner cavity of the reaction cylinder, the anode electrode plate is rotationally arranged in the middle of the reaction cylinder, and the cathode electrode plate and the anode electrode plate form a primary battery effect in the wastewater to perform electric flocculation treatment on the wastewater. Under the rotation of the anode electrode plate, the rotation track of the anode electrode plate forms a cylindrical shape, and at the moment, stirring blades arranged on a stirring rod rotate along with the interior of the cylindrical shape and generate downward thrust, so that a dynamic process that wastewater and suspended particles flow upwards from the outer side of the anode electrode plate and then flow downwards from the inner side of the anode electrode plate can be formed in the reaction cylinder; and flocculation products are concentrated at the bottom of the reaction cylinder.

The invention belongs to the technical field of riverway sewage treatment, and particularly relates to a riverway comprehensive nitrogen and phosphorus removal system and a construction method thereof.According to the riverway comprehensive nitrogen and phosphorus removal system, a treatment pond is constructed in a riverway through an enclosure, and water surface garbage is collected in the area, located outside the treatment pond, of the riverway through a water surface garbage collection device; the water surface garbage collecting device is used for collecting water surface garbage, the water surface garbage collecting device is used for collecting water surface garbage, the water surface garbage collecting device is used for collecting water surface garbage, the water surface garbage collecting device is used for collecting water surface garbage, the water surface garbage collecting device is used for collecting water surface garbage, the water surface garbage collecting device is used for collecting water surface garbage, the water surface garbage collecting device is used for collecting water surface garbage, and the water surface garbage collecting device is used for collecting water surface garbage. And the power supply device is used for supplying power to the water surface garbage collection device, the water pump, the gas-liquid mixing biological filter denitrification water purification device and the electric flocculation phosphorus removal device and performing work control, so that the aims of efficiently removing nitrogen and phosphorus while collecting water surface garbage from sewage can be fulfilled.