843 results about "Treated water" patented technology

The invention provides a sewage treatment process design method, a sewage treatment system and a control method.The sewage treatment process design method is used for calculating the use number of sludge screeners in a sewage treatment process and comprises the steps that the current organic matter proportion and the current treated water amount of sludge of a sewage treatment main route are obtained; determining a performance improvement target based on the current organic matter proportion and the current water treatment amount; and calculating the use number of the sludge screener based on the calculation step corresponding to the performance improvement target. According to the sewage treatment process design method, the sewage treatment system and the control method, a reasonable and effective calculation method is provided for the use number of the sludge screener in the sewage treatment process, the determined use number can meet the actual requirement of a sewage treatment main route, and the cost input can be effectively controlled.

The invention provides a resin evaluation device for fine treatment of condensed water in a nuclear power plant, which is applied to the technical field of detection, and is characterized in that a front cation bed is provided with a mixed water input end, a first pretreated water output end and a first resin conveying port, and the mixed water input end is connected with the mixed water output end of a water distribution system through a first pipeline; cation exchange resin is filled in the front cation bed; the high-speed mixed bed is provided with a pretreated water input end, a second pretreated water output end and a second resin conveying port, and is filled with anion and cation mixed ion exchange resin; the regeneration system comprises a first regeneration unit and a second regeneration unit; a first monitoring unit and a second monitoring unit are respectively arranged at the first pipeline and the second pretreated water output end; switch valves are respectively arranged at the first pipeline, the second pipeline, the second pretreated water output end, the first resin conveying pipeline and the second resin conveying pipeline; the control unit is electrically connected with the first monitoring unit, the second monitoring unit and the switch valve.

The invention relates to a multistage multi-medium wastewater treatment filtering device and method, and relates to the technical field of wastewater treatment. Comprising a standing processing tank, a plurality of groups of filtering tanks for performing hierarchical treatment on wastewater are arranged in the processing tank in the circumferential direction, each filtering tank is composed of a fixed tank body, a movable tank body and a tank cover, a control rod is mounted in the middle of each filtering tank, and a plurality of groups of filtering frames for filtering wastewater are arranged on each control rod at equal intervals; different types of filter media are filled in the filter frame; the bottom of the filtering tank is provided with a control piece for controlling the filtering tank to shake to improve the filtering efficiency, and the inner side of the filtering tank is provided with a cleaning piece for cleaning hardened garbage. According to the invention, a multi-stage multi-medium filtering mode is adopted, the four groups of filtering tanks are used for treating the wastewater in sequence, and the filtering frames in each group of filtering tanks are filled with different types of filtering media, so that different pollutants in the wastewater can be effectively removed, and the filtering efficiency and the treated water quality are greatly improved.

The invention discloses a circulating water blow-off water reuse treatment system, and relates to the field of circulating cooling water treatment, the system comprises: an induced crystallization unit, which is used for carrying out primary treatment on circulating water blow-off water through an induced crystallization fluidized bed reactor to remove hardness ions in water; the ceramic membrane filtering unit is used for carrying out secondary treatment on the primarily treated water by utilizing a ceramic membrane device and removing residual hardness ions, organic matters and suspended matters in the water; and the nanofiltration membrane unit is used for performing tertiary treatment on the water by utilizing a nanofiltration membrane according to the secondary treatment result to remove salt and organic matters in the water. According to the method, induced crystallization, ceramic membrane and nanofiltration membrane technologies are combined to cooperatively treat the circulating water and the blow-down water, so that the operation mode of simplifying the process, reducing the energy consumption and prolonging the backwashing period is realized, the dosage of chemicals and the generation of sludge are reduced, and the water recovery rate is also improved, so that the hardness is removed, and the calcium resource recovery is realized.

The utility model is applied to the technical field of mine water treatment, and discloses graded filtering equipment for mine water treatment, which comprises a sinking bin, a switching motor is fixedly mounted in the lower end of the sinking bin, the upper end of an output shaft of the switching motor penetrates through the inner bottom surface of the sinking bin, and the upper end of the output shaft of the switching motor is fixedly connected with a driving disc; a pressure filtering mechanism is arranged in the upper end of the sinking bin, and mine water is filtered and recycled through underwater pressure of a mine. The graded filtering equipment for mine water treatment is provided with a pressure filtering mechanism and a suction filtering mechanism, primary filtering is conducted through a first-stage filtering net at a first liquid inlet, further filtering is conducted through a second-stage filtering disc in a liquid storage cavity, and secondary filtering is conducted through a third-stage filtering element in the middle section of a connecting pipe, so that multi-stage filtering of mine water is achieved; various impurities, suspended matters and harmful substances in the mine water can be effectively removed, and the quality of treated water is ensured to meet the reuse standard.

The invention relates to the technical field of separation and filtration control, and discloses a backwashing energy-saving control method and system for a filter tank of a water purification plant, and the method comprises the steps: analyzing the pore change condition and resistance distribution condition of a filter layer according to filter tank parameter data collected by a preset sensor in real time, and calculating the pollution degree; calculating a backwashing trigger water volume threshold value based on preset design parameters, calculating a load threshold value based on the accumulated treated water volume, and if the pollution degree is greater than the backwashing trigger water volume threshold value or the treated water volume is greater than the load threshold value, triggering backwashing and generating a backwashing instruction; analyzing the physical characteristics of the filter material, calculating the critical value of the expansion rate of the filter material, calculating the backwashing water quantity and the backwashing gas quantity in combination with the pollution degree, and outputting a backwashing parameter set; controlling corresponding equipment to perform backwashing operation, and if the water quality index is greater than or equal to a preset water quality standard, stopping the backwashing operation; according to the invention, the resource utilization rate can be improved while the flushing safety is ensured, the energy consumption is saved to the greatest extent, the filter material is protected, and the energy is saved.

The invention provides a water resource recycling system in a mining process and a recycling method thereof, and relates to the technical field of mining and mine wastewater utilization. The system comprises: a pretreatment module for collecting and removing suspended solids in wastewater and adjusting water quality to obtain pretreated water; the resource recovery module is used for recovering heavy metals and salts from the pretreated water and carrying out resourceful treatment on organic matters to obtain recovered water; the deep treatment module is used for degrading and recycling residual pollutants in water and further desalting to obtain treated water; the crystallization and solidification module is used for separating harmless salt and solidifying hazardous wastes from the treated water to obtain solidified bodies and discharge water reaching the standard; and the intelligent control module is used for monitoring operation parameters of each module in real time and carrying out dynamic optimization and early warning. The system realizes efficient recovery of heavy metals, salts and organic matters by aiming at complex wastewater containing heavy metals, high salts and organic matters generated by mining, and breaks through the limitation of traditional single resource recovery.

The invention provides an integrated nanofiltration combination device for high-quality drinking water treatment and a treatment method, and belongs to the technical field of water treatment. The problems of low utilization rate of water resources and high risk of concentrated water discharge in high-quality drinking water treatment of a nanofiltration technology are solved. The nanofiltration combination device comprises a water inlet tank, a nanofiltration module, a concentrated water tank, an ultrasonic disperser, an induced crystallization fluidized bed, a softening agent tank and an antisludging agent tank, the water inlet tank is connected with the nanofiltration module, a treated water outlet of the nanofiltration module is connected with a water outlet pipe, a nanofiltration concentrated water outlet of the nanofiltration module is connected with the concentrated water tank, and the antisludging agent tank is connected with the concentrated water tank. The concentrated water tank is connected with the ultrasonic disperser, the ultrasonic disperser is connected with a water inlet of the induced crystallization fluidized bed, the softening agent gallipot and the scale inhibitor gallipot are respectively connected with the induced crystallization fluidized bed, and a water outlet of the induced crystallization fluidized bed is connected with the water inlet tank. The device is mainly used for high-quality drinking water treatment.

A system and a method for removing gas field chemicals from a feed stream are provided. An exemplary method includes performing a forward osmosis on a feed stream including gas field chemicals to form a concentrated feed stream, and treating the concentrated feed stream in an electrochemical process to form treated water.

The invention relates to the technical field of water treatment, and discloses an impurity removal method for a water matrix standard substance, which comprises the following steps: sequentially pretreating a water matrix to be treated; carrying out electrochemical catalytic oxidation on the pretreated water matrix flow under the action of pulse square wave current; carrying out photocatalytic treatment on the water matrix subjected to electrochemical oxidation under multi-band illumination; gradient separation of volatile and non-volatile impurities of the water matrix after photocatalysis treatment is realized; in an inert atmosphere environment, adding a composite stabilizer into the water matrix subjected to membrane separation, and packaging and sealing; organic carbon, heavy metal and biological activity indexes are monitored in real time through a multispectral coupling technique, and process parameters are dynamically optimized based on a deep reinforcement learning model. The method provided by the invention realizes efficient removal and long-term stable preservation of trace impurities in the water matrix standard substance, and is suitable for the fields of environmental monitoring and chemical analysis.

The utility model relates to the technical field of river water conservancy projects, and discloses a river water conservancy project sediment treatment device which comprises an H-shaped frame, the top of the H-shaped frame is fixedly connected with a funnel, one side of the inner wall of the H-shaped frame is fixedly connected with a C-shaped frame, the bottom of the C-shaped frame is fixedly connected with a servo motor, and the bottom of the C-shaped frame is fixedly connected with the servo motor. And the output end of the servo motor is in spline connection with a transmission rod. According to the sediment treatment device for the river channel water conservancy project, through the arrangement of a funnel, a C-shaped frame, a servo motor, a transmission rod, a rotating block A, a rotating belt, a rotating block B, a circular plate, a rotating rod, a landslide frame, a sliding block, a rectangular frame A, a circular hole plate B and a sliding plate B, a worker turns on a power switch of the servo motor, the transmission rod drives the rotating block A to rotate, and finally treated water flows out of a circular hole of the circular hole plate B; the effect that the device automatically screens and treats silt is achieved, so that energy is saved, environment is protected, the silt screening efficiency is improved, the water quality of a river channel is improved, and the stability of a water ecosystem is guaranteed.

The invention discloses a method for preparing lithium carbonate by extracting lithium from gas field produced water. The method comprises the following steps: (1) pretreating the gas field produced water by adopting ozone oxidation, air floatation, multi-stage filtration and first ion exchange; (2) adsorbing the pretreated water by using a lithium ion adsorbent, eluting after adsorption, introducing an eluent into an electrodialysis device, and carrying out electrochemical treatment at the voltage of 3-5V for 1.5-2 hours; and (3) carrying out secondary ion exchange on the lithium-rich concentrated water obtained by electrodialysis, then adding sodium carbonate into the lithium-rich concentrated water, and carrying out evaporative crystallization and drying to obtain lithium carbonate. According to the method, the low-concentration lithium-containing produced water can be efficiently extracted, the applicability is high, the purity of the finally prepared lithium carbonate can reach 99% or above, and the requirement of battery-grade lithium carbonate can be met.

The invention belongs to the technical field of sewage treatment. The invention provides a magnetic coagulation-photocatalysis integrated sewage treatment method which comprises the following steps: adding a coagulant and magnetic particles into sewage, and carrying out magnetic coagulation reaction to obtain a mixed solution containing magnetic floc; introducing the mixed solution containing the magnetic floc into a magnetic separation zone, and applying a magnetic field to settle the magnetic floc to obtain a supernatant; introducing the supernate into a photocatalytic reaction area, and carrying out photocatalytic oxidation degradation on the organic pollutants under the action of a light source; eluting and regenerating the magnetic flocs, recovering the magnetic particles, and discharging or recycling the treated water after the treated water is detected to reach the standard. According to the sewage treatment method disclosed by the invention, efficient coagulation and magnetic separation are realized by constructing magnetic particles with core-shell structures, and the removal rate of organic pollutants such as dyes, antibiotics and hormones is remarkably increased by combining a photocatalytic oxidation technology. In addition, the method is high in integration level, small in occupied area, low in energy consumption and convenient for automatic continuous operation.

The invention belongs to the technical field of wastewater treatment, and particularly relates to a method and system for removing heavy metals in wastewater, and the system comprises a collecting tank, a regulating tank, a Fenton-ultrasonic synergistic reaction tank, an addition and reduction sedimentation tank, a flocculation tank, a first sedimentation tank, a three-cavity nickel removal tank, a second sedimentation tank, a multi-parameter monitoring tank, an A / O tank, a third sedimentation tank and a clean water tank which are communicated in sequence. Discharging the adjusted wastewater containing the heavy metals into a Fenton-ultrasonic synergistic reaction tank to realize complex breaking of the complex-state heavy metals; adjusting the wastewater subjected to complex breaking treatment to be neutral, so that heavy metals are converted into hydroxide precipitates, and most of the heavy metals are removed at the stage; discharging the treated water into a flocculation tank, standing and precipitating, and enabling supernate to enter a nickel removal tank; and an organic sulfur catching agent is added into the nickel removal tank to strengthen chelation reaction, so that the nickel content is less than 0.1 ppm. According to the system, through four-stage cooperation of oxidation, precipitation, dynamic capture and intelligent feedback, the complex nickel removal problem is solved, and the comprehensive heavy metal removal rate is larger than or equal to 99.5%.

Methods, systems, and devices for PFAS destruction including providing water containing PFAS to a reactor vessel, irradiating the water with UV light under conditions to destroy at least a portion of the PFAS, passing the treated water through a selective membrane to form permeate and membrane reject comprising PFAS, providing the membrane reject back to the reactor vessel, providing additional water containing PFAS to the reactor vessel within the reactor vessel or before being provided to the reactor vessel, and irradiating the membrane reject and the additional water containing PFAS within the reactor vessel with UV light. The steps may be repeated a plurality of times such that PFAS that is not destroyed is recycled through the reactor vessel. Sensitizers may be added and may also be recycled in the membrane reject with the PFAS.

The utility model provides a catalytic ozonation wastewater treatment system, which comprises a pre-reactor, a main reactor, an ozone generator and a gas dissolver, the pre-reactor and the main reactor are sequentially communicated along the wastewater input direction, an ozone dissolved gas release area is arranged in the main reactor, the ozone generator is communicated with the gas dissolver and is used for providing ozone for the gas dissolver, and the ozone generator is communicated with the gas dissolver. The air dissolver is respectively communicated with the upper part of the main reactor and the ozone dissolved air release area, and is used for receiving the treated water in the main reactor as dissolved air water, and inputting ozone into the ozone dissolved air release area to form micro-nano bubbles to enter the main reactor to oxidize organic matters in the wastewater. According to the catalytic ozonation wastewater treatment system provided by the utility model, micro-nano ozone bubbles can be generated by utilizing ozone, the emission of ozone in tail gas is reduced, and the catalytic ozonation wastewater treatment system is high in wastewater treatment capacity and suitable for wastewater treatment of various scales.

The invention relates to the technical field of water treatment, in particular to active water treatment equipment based on a magnetofluid field effect. The device comprises a water treatment assembly for temporarily storing to-be-treated water and performing active treatment on a water body by using an electric field and / or a magnetic field, a water conveying assembly mounted and connected to the water inlet end and the water outlet end of the water treatment assembly and used for continuously conveying water flow into the water treatment assembly, and a magnetic field generating assembly mounted on the outer side of the water treatment assembly and used for generating magnetic field generated by the water treatment assembly. The magnetic field generating assembly is used for generating a magnetic field effect to act on water in the water treatment assembly, and the electromagnetic field control assembly is connected with the water treatment assembly and the magnetic field generating assembly through wires and used for controlling the water treatment assembly and the magnetic field generating assembly to generate an electric field and / or a magnetic field effect and treating the water. The water storage device is surrounded by a plurality of paired electromagnetic field generators from top to bottom, after the electromagnetic field generators are electrified to generate a magnetic field, the magnetic field action is performed on water flowing through the water storage device, and the treated water flows out through the water outlet electricity-proof wall water inlet pipe.

This device for recovering water from organic substance-containing drainage water recovers water by treating drainage water that contains a volatile organic substance or a low-molecular-weight organic substance having a molecular weight of at most 200, and comprises a separation membrane module 2 for subjecting the drainage water to a pervaporation treatment by using a separation membrane having a pore diameter of 3.0-4.2 Å, wherein treated water from which the organic substance has been removed by the separation membrane module 2 is recovered.

The utility model relates to a constant-temperature electrocatalytic oxidation device, which comprises a case, a reaction tank, a plurality of pole pieces and a refrigeration component, a constant-temperature bath is formed in the case, a water inlet and a water outlet which are communicated with the constant-temperature bath are respectively arranged on two sides of the case, and the reaction tank is fixedly arranged in the constant-temperature bath. The plurality of pole pieces are sequentially arranged in the reaction tank in the direction from the water inlet to the water outlet, the refrigeration assembly is provided with a refrigeration end, and the refrigeration end is arranged in a gap between the thermostatic bath and the reaction tank; water to be treated enters the thermostatic bath from the water inlet, overflows into the reaction tank and then passes through the plurality of pole pieces, the electrified pole pieces realize electro-catalytic oxidation treatment on the water, the treated water is discharged from the water outlet, the water in the thermostatic bath is cooled through the arranged refrigeration end, and the water in the thermostatic bath exchanges heat with the water in the reaction tank, so that the water in the reaction tank is cooled. The method is used for controlling the temperature in the reaction tank, prolonging the service life of the electrode and the reactor and reducing water evaporation in the reaction tank.

This invention discloses a novel multifunctional granulation fluidized bed device, comprising, from top to bottom, a clear water zone, a separation zone, a sedimentation zone, and a sludge collection zone. An inclined plate is positioned above the clear water zone, above which is a water collection zone. Filter tanks are located at both ends of the water collection zone, with an outlet at the bottom of one filter tank. An inner cylinder is located within the sedimentation zone, forming a fluidized zone. Inlet pipes and chemical inlet pipes are located on both sides of the sedimentation zone, and a baffle plate is located at the bottom of the fluidized zone. Baffles are positioned on both sides of the fluidized bed at the boundary between the clear water zone and the separation zone. A seed inlet is located on one side of the separation zone. The sludge collection zone is located at the conical bottom of the fluidized bed and includes a reducing pipe with a gate at the top and a switchable filter at the bottom. The switchable filter is connected to a drain pipe. The treated water meets the standards for direct reuse, significantly optimizing the wastewater pretreatment process, reducing labor intensity, and improving work efficiency.

This invention provides a wastewater treatment method, system, and storage medium, applied to water pollution treatment equipment. The method includes: pretreating the wastewater to be treated through a first treatment module to obtain first treated water; acquiring the fluidization parameters of a fluidized bed unit; controlling the air intake mode of an air intake unit according to the fluidization parameters, so that the fluidized bed unit fluidizes the first treated water to obtain second treated water, wherein the temperature spectrum, dissolved oxygen content, and sediment height of the fluidized bed unit correspond to the bacterial species; and treating the second treated water through a third treatment module to obtain target treated water. By controlling the air intake mode of the air intake unit through fluidization parameters, the dissolved oxygen content, temperature spectrum, and sediment height of the fluidized bed unit are adapted to the bacterial species, maintaining stable dissolved oxygen content, reducing carrier sedimentation and accumulation, thereby maintaining the stability of the bacterial community and ensuring the degradation efficiency of organic pollutants by the bacterial community.

The utility model discloses a wastewater treatment device, which belongs to the technical field of wastewater treatment and comprises a connecting plate, a plurality of supporting rods are fixedly connected to the top of the connecting plate, a water storage tank is fixedly connected among the tops of the supporting rods, and a filter component is mounted at the top of the water storage tank. According to the plastic garbage treatment device, by arranging the filtering assembly, plastic garbage can be intercepted in advance, it is guaranteed that sewage can flow smoothly in the follow-up treatment link, the treatment efficiency is improved, meanwhile, the filtering assembly is arranged, and meanwhile, the filtering assembly is arranged on the water storage tank. The plastic garbage can be effectively prevented from entering a natural water body, the water resource and the ecological environment are protected, by arranging the purification assembly, it can be ensured that tiny pollutants in the waste water can be effectively removed, the treated water is purer, dependence on natural resources can be reduced, and sustainable utilization of the resources is achieved.

The application relates to a sewage treatment system and method of a buried water plant, wherein the system comprises: a sewage treatment module, which is used for treating sewage to obtain treated water meeting preset water quality standards; a wind-water linkage device, which is used for receiving a cooling control instruction during sewage treatment and performing at least one corresponding cooling action in response to the cooling control instruction; a control module, which is used for obtaining a current treatment state of the sewage and generating the cooling control instruction according to the current treatment state; and a cooling water loop, which is used for introducing the treated water into the wind-water linkage device to take the treated water as cooling liquid of the wind-water linkage device, so that the wind-water linkage device performs the at least one cooling action by using the cooling liquid. Thus, the technical problem that, in the prior art, a cooling tower needs to be invested, the cost is high, resource waste is caused, the construction space is further compressed, and the operation and maintenance of the buried water plant are not favorable can be solved.

The invention relates to the technical field of water purification, in particular to an integrated iron and manganese removal water treatment process which comprises the following steps: raw water aeration and coagulation treatment, iron removal, ammonia nitrogen removal and manganese removal, and the raw water aeration and coagulation treatment step is as follows: raw water is subjected to aeration treatment after being pre-oxidized by ozone; the raw water subjected to aeration treatment is input into a reaction tank, a coagulant is added into the reaction tank, the dosage of the coagulant is 8-20 mg / L, the contact time of the raw water subjected to aeration treatment and the coagulant is 20-300 s, and primary treatment water is prepared; the coagulant is prepared from the following raw materials in parts by weight: 8 to 12 parts of polyacrylamide, 2 to 4 parts of organic soluble sol and 0.4 to 0.8 part of trimethylolpropane tri [beta-(aziridinyl) propionate]. The device has the advantage of improving the precipitation rate of insoluble impurities in underground water.

The invention discloses a coupled antibiotic pharmaceutical wastewater treatment device combining electro-catalysis and membrane separation technologies in the technical field of pharmaceutical wastewater treatment, which comprises an electro-catalysis treatment box and a membrane separation treatment box, a separation pipe is arranged in the membrane separation treatment box, and a plurality of groups of membrane separation pieces are arranged on the separation pipe. A coupling assembly is arranged between the electro-catalysis treatment box and the membrane separation treatment box and comprises a transition plate, the transition plate is fixedly installed at the end, close to the electro-catalysis treatment box, of the membrane separation treatment box, and treated water in the electro-catalysis treatment box can enter the transition plate; according to the invention, sewage with light pollutant concentration at the upper layer flows back into the electro-catalysis equipment through the cooperation of the transition plate and the return pipe, and treated water with low pollutant concentration enters the membrane separation equipment, so that the pollutant concentration in the electro-catalysis equipment is maintained, and meanwhile, the pollutant concentration in the electro-catalysis equipment is reduced; pollutants and by-products are automatically collected, and the difficulty of manual cleaning is reduced.

The invention discloses an advanced treatment and recycling method for lead-zinc beneficiation wastewater based on biological reduction, and belongs to the technical field of beneficiation wastewater treatment.The method comprises the following steps that the lead-zinc beneficiation wastewater is sequentially subjected to flocculent precipitation and CO2 hardness reduction pretreatment, heavy metal and COD removal through a bioelectrochemical system, methanol generation and advanced oxidation deep COD removal; and neutralizing, precipitating and removing iron and sulfate radicals to obtain treated water, and carrying out dissimilatory iron reduction treatment on the water-containing iron sludge for advanced oxidation. According to the method, CO2 and iron resources can be recycled, COD and heavy metal in the wastewater are deeply removed, the hardness and sulfate radicals are remarkably reduced, and the treated water can be completely recycled to a mineral separation procedure or discharged after reaching the standard.

The present invention relates to a reverse osmosis water treatment system comprising: a second- stage LSRRO (Low Salt Rejection RO membrane process) unit using a regenerated membrane as a reverse osmosis (RO) membrane, said regenerated membrane being obtained by subjecting a damaged membrane or a membrane which has reached the end of its service life to a physical and / or chemical treatment for reuse. The present invention comprises: an intake unit including an inlet line for seawater or organic wastewater equipped with an inlet valve, a raw water storage tank for storing the seawater or organic wastewater as raw water, and a feed pump for pressurizing the raw water at a predetermined flow rate and pressure at predetermined intervals; a pre-treatment unit including an ultrafiltration (UF) membrane or microfiltration (MF) membrane for removing fine particulate organic matter contained in the raw water to reduce the load on a downstream reverse osmosis (RO) membrane; and a first-stage RO (Reverse Osmosis) process unit to separate ionic substances included in the filtered water pre-treated by the UF or MF membrane using a reverse osmosis membrane to produce treated water and to separate the raw water into treated water and concentrated water. According to the present invention, there is an advantage in that an LSRRO system can be provided which concentrates raw water to a high concentration with lower energy consumption than conventional RO systems employing commercial membranes.

This invention relates to the field of drinking water treatment technology, and provides a water treatment system and method with micro / nano bubble generation technology. The system includes a bubble generation terminal, a water flow regulation terminal, a water tank terminal, a water quality monitoring terminal, and a central control terminal. The water tank terminal provides space for the water treatment process; the bubble generation terminal generates micro / nano bubbles during the water treatment process; the water flow regulation terminal transports the water to be treated to the water tank terminal and allows it to interact with the bubbles, regulating the water flow rate and volume during treatment; the water quality monitoring terminal monitors the water quality parameters of the treated water and generates water quality monitoring information; the central control terminal controls the coordinated operation of the water tank terminal, bubble generation terminal, water flow regulation terminal, and water quality monitoring terminal. This invention improves the quality of purified water and enhances the taste of drinking water.

The invention discloses an emergency compound agent for coping with short-term total phosphorus increase of a surface water body, and belongs to the field of emergency compound agents for coping with short-term total phosphorus increase of the surface water body. A preparation process comprises the steps of preparing a PAC solution, preparing a diatomite modifier, preparing modified diatomite, preparing the emergency compound agent and the like. The steps of ultrasonic loading, calcining, washing and the like are added in the process, so that the adsorption precipitation capacity of the modified diatomite is improved; and compounding agents with different mass ratios are prepared according to the phosphorus content of the treated water body, so that the application range and the capability are improved. The method is simple to operate, green and environment-friendly, and by modifying the diatomite raw material and increasing the loading degree of the modified diatomite, the adsorption and precipitation capacity of the prepared modified diatomite can be remarkably improved, and the stability after adsorption and precipitation is promoted, so that the use performance and the application range of the prepared emergency compound medicament are effectively improved.

The invention discloses a flocculation reaction precipitation management system for water treatment, relates to the technical field of coagulation control, and solves the technical problems that treatment cannot be performed based on raw water information, effective analysis and decision are not performed by comprehensive influence, and a treatment strategy cannot be adjusted in time. By comprehensively acquiring the raw water information and the coagulant information, the concentration of the treated water can be analyzed and identified more accurately. On the basis of floc image processing and parameter extraction, the water quality is ensured to reach the standard, the influence of different raw water temperatures and raw water pH values on the flocculation reaction is considered, and corresponding relations and parameters are determined through experiments and calculation, so that the system can adapt to water treatment requirements under different water quality conditions, and has relatively high adaptability; the relation between the reaction rate and the raw water input speed and the flocculant concentration is analyzed, the range value of the secondary putting amount is determined, and the stability and reliability of the system under different working conditions are further improved.