68results about How to "Improve water quality indicators" patented technology

The invention discloses a sewage processing process dynamic multi-target optimization control method, belongs to the field of water research and also belongs to the field of intelligent control, for simultaneously optimizing energy consumption and water quality indexes under the condition that the water quality reaches the standard. First of all, a sewage processing process multi-target optimization model is constructed through a nerve network online modeling method for solving the problem of lack of accurate mathematic description between an optimization variable and a performance index; secondly, based on the established optimization model, a Pareto optimal solution of the problem is obtained through a multi-target optimization algorithm, and according to decision information, one satisfactory optimization solution is determined from a Pareto solution set, i.e., optimization set values of a dissolved oxygen concentration and a nitrate nitrogen concentration; and finally, a bottom controller realizes a tracking task of the optimization set value. The method provided by the invention can effectively reduce the energy consumption and the operation cost of a sewage processing process under the condition that the water quality reaches the standard.

The invention pertains to the technical field of environment protection, which provides a method for treating black-odor rivers and lakes with microbiological preparations and comprises the following steps of: (1) pre-treatment of the rivers or the lakes; (2) biofilm colonization treatment; (3) microorganism augmentation treatment by direct application; (4) water ecology recovery and oxidation reduction of reductive sludge at the bottom; and (5) protection and further improvement of water environment. The method for treating black-odor rivers and lakes with microbiological preparations employs a plurality of microbiological preparations to treat the black-odor rivers and lakes, realizes the decomposition of organic pollutants in the water body, improves water ecological balance, and oxidizes, and reduces the reductive sludge at the bottoms of the rivers and lakes.

The invention provides an ecological restoring method of a river water body, comprising the following steps: (1) detecting pollution indexes of a river water body; (2) throwing composite microbial agents into a water body according to 5ppm to 9ppm; (3) transferring, translating and degrading matters in the river water body by the composite microbial agents; (4) throwing and / or planting water plants into a river; (5) detecting the pollution indexes of the river water body; and (6) repeating the steps from (2) to (5) from 15 days to 30 days until the river water body conforms to requirements. Each composite microbial agent comprises the components by weight percent: 5 to 10 photosynthetic bacteria, 10 to 15 bacillus subtilis, 5 to 10 nitrifying bacteria, 2 to 5 microzyme, 15 to 20 lactobacillus, 10 to 30 aspergillus, 10 to 30 acetobacter and 20 to 30 actinomyces. The ecological restoring method of a river water body aims at a river water body which carries out eutrophication treatment, leads the river water body to restore the bio-diversity of the river water body, radically restores ecology and has durable effect, low cost and simple use.

The invention discloses a method for producing mixed butanol and coarse octanol by using waste liquid discharged from an octanol device as a raw material, which belongs to a method for preparing acyclic monohydric alcohols, and is characterized by using a raw material fractionation unit, a hydrogenation synthesis unit and a product distillation unit, wherein the raw material fractionation unit comprises three fractionation devices: a butyraldehyde fractionation tower, a butanol fractionation tower and a C8 fractionation tower; the hydrogenation synthesis unit and the product distillation unitare suitable for hydrogenating and distilling a butyraldehyde fraction and a C8 fraction from the raw material fractionation unit alternately; and the product distillation unit comprises a light component removing tower device and a heavy component removing tower device. The method for producing the mixed butanol and coarse octanol by using the waste liquid discharged from the octanol device as the raw material, which is energy-saving and environmentally-friendly, can realize the recycling of the waste liquid discharged from the octanol device, reduce the waste water treatment cost of the octanol device and improves the technical indexes of treated water.

The invention discloses a printing and dyeing waste water treatment process, and solves the problem the existing treatment effects of the printing and dyeing waste water are not good. The printing and dyeing waste water treatment process comprises the steps that 1, in the pretreatment process, impurities in the waste water are removed, and the decoloration process is conducted to a certain degree, and loads of subsequent treating processes are reduced; 2, in the biochemical treatment process, organic pollutants in waste water are degraded; 3, in the advanced treatment process, the impurities, the organic pollutants and chroma in the waste water are further removed. The problems in the prior art are well solved by the above scheme.

The invention discloses a recycling treatment system of high-salinity high-organic-matter chemical wastewater. The recycling treatment system comprises an electrocatalytic oxidation device, a halotolerant bacteria biochemical system, an MBR aerobic device, an electroosmosis unit, an ultrafilter and an RO unit, the halotolerant bacteria biochemical system comprises a halotolerant bacteria anaerobic device, a halotolerant bacteria aerobic device and a halotolerant biological aerated filter. The invention further discloses a treatment method of the high-salinity high-organic-matter chemical wastewater. By the recycling treatment system and the treatment method, the problem of recycling treatment of the high-salinity high-organic-matter chemical wastewater is solved effectively, recycling rate of water and salt is high, no wastewater is discharged basically, no solid waste is generated, generated water is high in quality, generated salt is high in purity, and water resources and salt in the high-salinity high-organic-matter chemical wastewater are recycled to greatest extent; zero discharging of wastewater in the process of enterprise production is realized, and the recycling treatment system and the treatment method have important environment benefit.

The invention provides a method for treating a polluted water body in a lake, which comprises the following steps: (1) detecting the pollution indexes of water body in the lake; (2) regulating the types and quantities of microbial agents; (3) placing a resulting composite microbial agent in the water body in an amount of 10 to 40 ppm; (4) allowing the composite microbial agent to transfer, covert and degrade pollutants in the water body in the lake; and (5) detecting the pollution indexes of the water body in the lake. The microbial agents comprise photosynthetic bacteria, bacillus subtilis, nitrobacteria, lactic acid bacteria and yeasts. The method for treating the polluted water body in the lake of the invention reduces and inorganizes pollutants in water body in the lake, radically restores ecology and has the characteristics of high efficiency, prevention of secondary pollution, low cost and simple use.

The invention relates to a technique for integrated two-stage strengthened air-flotation separation of dense algae slurry. The technique comprises that: collected dense algae slurry first enters a first-stage air-flotation tank where algae and high-density micro-bubbles have contact with and adhere to each other so as to separate algae and water and remove about 50 to 80 percent of algae, and then water enters a second-stage strengthening air-flotation tank, is added with an appropriate amount of flocculant, and then is subjected to air-flotation treatment again so as to remove the remaining algae and other suspended substances in the water. The invention not only applies to the disposal of dense algae slurry, but also can be used to treat algae-rich water low in algae content. The invention has the advantages of effectively removing blue-green algae in water, transferring nitrogen, phosphorus and other nutrient loads in water, purifying water, preventing the explosion of blue-green algae and providing an effective method and a device for controlling the pollution of lakes and reservoirs.

The invention discloses a method for removing the toxicity of tail water of fine chemical biochemical treatment, belonging to the field of sewage treatment methods. The method comprises the following treatment steps: (a) carrying out catalytic ozonation, specifically, treating sewage in a catalytic ozonation tower which is internally filled with an iron-aluminum catalyst, wherein the iron-aluminum catalyst is prepared from the following effective components: beta-iron oxyhydroxide and aluminum oxide; (b) absorbing, specifically, carrying out further treatment on wastewater, subjected to treatment in the step (a), by using an absorption filter filled with ceramsites and magnetic resin, wherein the mass ratio of the beta-iron oxyhydroxide to the aluminum oxide in the iron-aluminum catalyst is equal to (15-20) to (80-85), and the volume ratio of the ceramsites to the magnetic resin is equal to (2-3) to (3-5). The method provided by the invention is simple to operate and low in cost, and not only can realize the non-toxic emission of the tail water, but also can improve the comprehensive index of water quality.

The invention provides a method for restoring ecology in a water body in a lake, which comprises the following steps: (1) detecting the pollution indexes of the water body in the lake; (2) putting an additive which is one or a combination of amino acid, minor elements, vitamin, lipids, purine and pyrimidine; (3) putting a composite microbial agent in a water body in an amount of 1 to 9 ppm; (4) allowing the composite microbial agent to transfer, covert and degrade substances in the water body in the lake; (5) putting aquaticanimals and / or planting plants in the lake; and (6) detecting the pollution indexes of the water body in the lake. The composite microbial agent comprises photosynthetic bacteria, bacillus subtilis, nitrobacteria, lactic acid bacteria and yeasts. The method for restoring ecology in water body in lake restores the biological diversification in the water bodies, subjected to eutrophicationin treatment, in the lakes, restore the ecology radically, and has the characteristics of long-lasting effect, low cost and simple use.

The invention discloses a high salt water zero discharge treatment system. The high salt water zero discharge treatment system includes a forward osmosis concentration system and a draw solution regeneration system. The forward osmosis concentration system includes a forward osmosis membrane component, which is used for receiving a concentrated draw solution of the draw solution regeneration system and a to-be-treated solution, and performing osmosis treatment to obtain a diluted draw solution and a concentrated solution. The draw solution regeneration system includes a high pressure reverse osmosis system, the forward osmosis membrane component is communicated with the high pressure reverse osmosis membrane component, the high pressure reverse osmosis system is used for providing the concentrated draw solution to the forward osmosis membrane component and receiving the diluted draw solution in the forward osmosis membrane component, the draw solution regeneration system also includes a sea water desalination system, which is assembled in the high pressure reverse osmosis system, and is used for treating the clear solution in the high pressure reverse osmosis system to obtain concentrated water and a final product and returning the concentrated water to the high pressure reverse osmosis system.

The invention discloses a wastewater electrochemical treatment process intelligent control system. The wastewater electrochemical treatment process intelligent control system comprises a feedforward module, an intelligent control module, an adjustment parameter integration module, a wastewater electrochemical treatment module and a measuring module. The feedforward module is used to acquire water quality index data of raw water before treatment, integrate the data, and send the integrated data to the intelligent control module. The intelligent control module is used to perform optimization operation on the water quality index data of the raw water, and select and adopt a corresponding adjustment parameter combination to perform control. The adjustment parameter integration module is used to adjust parameters required in the wastewater electrochemical treatment process. The wastewater electrochemical treatment module is used to perform wastewater electrochemical treatment. The measuring module is used to detect water quality index data after treatment, and send the detection result to the intelligent control module. The invention also discloses a wastewater electrochemical treatment process intelligent control method. According to the wastewater electrochemical treatment process intelligent control system and the intelligent control method provided in the invention, different adjustment parameter combinations can be adopted according to different water quality changes of water to be treated to perform control, so that the quality of the treated wastewater can be improved.

The invention discloses an adjustable sewage filtering apparatus for an oil field, relating to the field of water treatment of environmental engineering, in particular to sewage treatment equipment applied to an oil field, comprising a tank body (2) provided with a water inlet (7) and a water outlet (3) and a hydraulic control mechanism (1) arranged on the tank body (2), wherein the tank body (2) is internally provided with a water distribution device (6) and a water collection device (4); a press plate (10) is arranged between the water distribution device (6) and the water collection device (4); a fiber bundle filter material (5) is placed between the press plate (10) and the water distribution device (6); and a piston rod of the hydraulic control mechanism (1) is connected with the press plate (10). A drain outlet (11) is arranged at the bottom of the tank body (2). The filter precision of the filter material is adjusted by connecting the hydraulic control mechanism with the filter material, thereby achieving the aim that the water quality reaches the standard in such a way that the filter precision is controlled according to the press degree of the filter material.

A waste-water treatment and recovery for power plant is carried out by classification treating for waste water, gathering it into water-collecting pool, adding into medicine, adjusting pH value, entering the waste water into micro-filter membrane filtering system from micro-coagulator, flowing micro-filtered water into medium water tank, delivering it into safety filter by lifting pump, inverse penetration treating by high-pressure pump, flowing concentrated water into chemical neutralization pool and flowing fresh water into recovering pipe net of factory. Its advantages include low cost, better water quality, safety and stability and high recovery efficiency.

The invention discloses an ecological system for governing a beheaded creek. The system comprises a flow making circulating device, an ecological floating bed and plant oxidizing regions. The flow making circulating device is used for extracting and filtering and discharging water in a trunk watercourse into the beheaded creek, the ecological floating bed comprises an HDPE floating bed carrier and stain-resistant evergreen aquatic plants located in the HDPE floating bed carrier, and storm sewage ports along the beheaded creek and muddy relatively loose regions of bank slopes are plant oxidizing regions. According to the ecological system for governing the beheaded creek disclosed by the invention, the system becomes an organic ecological system by reasonably configuring the flow making circulating device, a functional ecological floating island and the plant oxidizing regions, so that the water flowability of the beheaded creek can be improved, water quality indexes of the water body are improved by three-dimensional and multi-layered biological means, and sewage entering into the beheaded creek can be governed from the source. The ecological system for governing the beheaded creek disclosed by the invention is worth being popularized.

The invention discloses a high-efficient process system for slime water through drifting separation. The system comprises a slime water mixing unit, a medicament adding system, a high-efficient drifting separator and a density modifying machine. The slime water passes through a slime water mixing barrel. The slime water is added with cation medicaments before entering into the mixing barrel, wherein the medicament adding system adds the medicaments for the first time, and the slime water flows out of the mixing barrel, passes through a pipe mixing device, and then is added with anion medicaments as a second medicament adding, wherein the slime water is fully mixed with the medicaments under the action of the pipe mixing device. The slime water passes through the slime water mixing barrel and flows to the high-efficient drifting separator for further separation and deposition of the slime water, wherein by using effects of an inclined tube in the high-efficient drifting separator, large particulate matters sink to the bottom, thereby forming underflow condensation precipitation, and fine particulate matters suspended in water (mainly ash) combine with micro-bubbles generated by an air flotation device and float to the liquid surface, thereby forming floating slag which is then collected by a slag scraper and a slag collector and discharged out of a groove. The treated discharge water is discharged to a cyclic pool through a water collection device. The underflow condensation precipitation is pumped to the density modifying machine for further compression and buffering through a slag and slurry pump, the compressed slime is sent into a press filtration workshop through the slag and slurry pump, and a supernatant is discharged to the cyclic pool.

The invention discloses a river branch water treatment system and method. A biochemical degradation unit degrades organic substances at an initial stage and decomposes ammonia nitrogen and total phosphorus in sewage, and the effluent water is clarified through a back-end water purification unit. Biochemical degradation and water purification alternately act to ensure the treatment efficiency and the normal operation of the process, thereby gradually clarifying the river branch water to realize a virtuous cycle. According to the invention, a circulating water treatment concept is adopted, and the effluent water obtained by treating the sewage at the downstream of a river branch is pumped to the upstream of the river branch, so that the river branch water is mobilized to realize cyclic running, the dead water is changed into the circulating water, and the whole water body realizes cyclic running, thereby improving the cross sectional flow of the river branch, increasing the flow speed of the river branch water, enhancing the self-purification capacity of the river branch water, and realizing automatic silt peeling of a river branch silt bed without artificially desilting periodically. Thus, artificial purification and water self-purification are combined, and the investment and operation management cost of desilting and sewage treatment is reduced. The technique is advanced and mature, and the treated effluent water has favorable water quality indicators and economic indicators.

The invention discloses an intelligent water affair system for an offshore oilfield. The system comprises platforms of the offshore oilfield, FPSO, a drilling ship and a water supply subsystem, a sewage treatment subsystem, a chemical agent subsystem, reinjection water, an injection-production subsystem, a sensing system, a transmission system, a data center, an intelligent control system and a service system of a crude oil terminal treatment plant. The invention relates to the technical field of offshore oilfield water treatment. A three-dimensional information management platform is established for water supply, sewage treatment, chemical agents, reinjection water and the like of the offshore oilfield in a big data and artificial intelligence environment, so that the water supply efficiency and the water quality safety are guaranteed, the water quality indexes and the treatment efficiency of sewage and reinjection water are improved, and the recovery ratio and the economic benefit ofthe offshore oil field are improved.

The invention discloses a composite artificial aquatic plant and ecological ball device and use method. The device comprises artificial aquatic plants, ecological balls, fillers, fixing ropes and fixing piles. The device is simple to install, can achieve the functions of improving the water quality, reducing the total amount of black mud and increasing the biodiversity of a water body by designingdifferent types, sizes and dosages of artificial aquatic plants, ecological balls and fillers, and is suitable for black and odorous rivers and lakes, micro-polluted rivers and lakes and culture ponds where submerged plants are difficult to plant.

The invention discloses a preparation method for a composite-type lactobacillus microecological preparation, and belongs to the field of lactobacillus fementation. The preparation method comprises the following steps of: separating lactobacillus strains by taking bred animals, culture water body and bottom sediment as bacterial sources; then purifying the separated lactobacillus strains to selectively breed 2-5 lactobacillus strains with large calcium-dissolving rings, fast growth speed and strong activity; then carrying out enlarging culture on the lactobacillus strains which are purified and selectively bred, and preparing composite seed solution; and finally, inoculating and fermenting the composite seed solution to obtain the composite-type lactobacillus microecological preparation. Compared with the prior art, the preparation method disclosed by the invention has the beneficial effects of simple culture equipment and operation, and stable storage time compared with a single strain fermentation water agent.

The invention discloses a circulating device for breeding wastewater treatment. The circulating device comprises a breeding house, a sewage collecting tank, a pretreatment box, a solid-liquid separator, a facultative box, an aeration box, a biological membrane filter and a well which are sequentially connected, wherein a cleaning water tank, a drainage groove and a drainage ditch are arranged in the breeding house, the tail end of the drainage ditch extends out of the house to be communicated with the sewage collecting tank, a water supply pump is arranged at the well and connected with the cleaning water tank through a main water supply pipe, and the cleaning water tank is connected with a branch cleaning pipe. The sewage collecting tank, the pretreatment box, the solid-liquid separator,the facultative box, the aeration box, the biological membrane filter and the well are sequentially arranged, wastewater discharged by the biological membrane filter is sterilized after entering the well and then pumped into the cleaning water tank in the breeding house, the cleaning water tank cleans the ground and the drainage groove in the breeding house by the aid of a cleaning pipe and the branch cleaning pipe, cleaned sewage is circulated, so that the water resource is recycled, the device is better in operation stability, and the operation cost is reduced.

The invention discloses a method for planting elodea muttallii in the concrete pond without oil. The method comprises the steps of pond preparing, elodea nuttallii planting cage body making, eloda nuttallii planting and daily maintenance. Elodea nuttallii cultivation in a cement pond without bottom materials such as soil is achieved by combining the culture practice of crustaceans such as shrimps and crabs according to the growth characteristic of the elodea muttallii. The elodea muttallii which is planted through the method has the advantages that the elodea muttallii growth is fast, the operation is easy, the material cost is low, and the ecological effect is good, and the method for planting the elodea muttallii in the concrete pond without the the oil has an important meaning on cement pool ecological cultivation of aquatic animals.

The invention provides a method for keeping boat stored drinking water fresh. The method comprises the following steps: pumping boat stored drinking water out of a water cabin; filtering the pumped boat stored drinking water by a cartridge filter; then feeding the discharging water of the cartridge filter into a composite fine filter with a KDF filter material and activated carbon to be filtered; enabling the discharging water of the composite fine filter to flow back the water cabin; feeding the water flowing back the water cabin to a circulating pump; then feeding the discharging water of the circulating water pump into a micro-electrolysis water producer; feeding the discharging water of the micro-electrolysis water producer into the water cabin for a standby purpose. Solid impurities and microorganisms, which are produced in the boat drinking water storage process can be effectively removed by the method through the accurate control of all technical parameters, stable disinfectant quality is maintained in the stored drinking water, and the long-term fresh keeping of the boat stored drinking water is realized.

The invention provides a plant floating bed. The plant floating bed mainly comprises a supporting frame, a floating body which is mounted at the bottom of the supporting frame and a carrier on the upper surface of the supporting frame; the supporting frame forms a plane by splicing and constructing bracket monomers; the supporting frame floats on the surface of water by the floating body; the carrier comprises a supporting net on the supporting frame and soil and plant humus which are spread on the supporting net; two or more aquatic plants are planted on the carrier in a mixed manner; the aquatic plants absorb nutrient elements, such as nitrogen and phosphorus, in a water body, and the eutrophication degree of the water body is lightened, so that an effect of purifying water quality is achieved; the invention also provides a method for treating water body pollution by the plant floating bed.

The invention relates to a rainbow trout breeding method for environment release detection of a nucleic acid vaccine, belongs to the technical field of rainbow trout environment release detection, andsolves the problem of subsequent experiment research shortage of fishery vaccines. Before an environment release breeding test, a rainbow trout breeding system for environment release detection afterinjection of the nucleic acid vaccine normally runs for 25-30 days; system operation parameters and water body indexes are detected; rainbow trout with individual weight of 4-6g is selected after thedetection is passed; dorsal fin base muscle injection immunization of the nucleic acid vaccine is performed in 2 days of stopping eating; the rainbow trout is randomly divided into a blank group andan immune group during the immunization; after the injection, the rainbow trout is placed in a breeding pond for breeding in the rainbow trout breeding system for the environment release detection after the injection of the nucleic acid vaccine; and the environment release detection is carried out at a certain time interval. The method can ensure that a breeding environment is suitable after the vaccine is injected.

The invention discloses an A / A / O system for synchronously strengthening biochemical phosphorus removal based on a powdery lanthanum-based adsorbent. The invention belongs to the field of sewage treatment, and particularly relates to an A / A / O system for synchronously strengthening biochemical phosphorus removal based on a powdery lanthanum-based adsorbent. The invention aims to solve the problems that the effluent total phosphorus in the traditional biological nitrogen and phosphorus removal A / A / O (Anaerobic / Anaerobic / Anoxic / Oxic) process does not reach the standard, a large amount of residualsludge is generated by chemical phosphorus removal and the like. The system comprises an anaerobic tank, an anoxic tank, an aerobic tank group and a sedimentation tank which are connected in sequence,and a lanthanum-based adsorbent is added at the tail end of the aerobic tank to form a synchronous enhanced biochemical phosphorus removal system. The adsorbent not only can play a role in chemicallyadsorbing phosphate, but also has a strengthening effect on activated sludge in the reactor, so that the formation of EPS is strengthened, and the growth of phosphorus-accumulating bacteria is also strengthened. The system is used for sewage treatment.

The invention relates to a design calculation method of enlarging volume of the sewage plant. A design calculation method of using A / O type bio-aeration filter to enlarge the volume of said sewage plant, including one-level effluent-handling prime settling pool (2), second-level effluent-handling second settling pool, whose main feature is: set water-intake balancing tank (4) on water-outlet end of said second settling pool (1), connect the tertiary sewage treatment A / O type bio-aeration filter (3) to water-intake balancing tank (4). The invention requires the quality of outlet-water completely after enlarging the volume on the base of present outlet-water quantity of second settling tank and the quality of second settling tank, prime settling tank, calculates some main design parameters such as: outlet-water quantity of said introduced prime settling tank, outlet-water circulating mass, volume of anoxybiotic section, volume of aerobic section, etc. The invention is characterized by: precise calculating method, reliable parameters, A / O type bio-aeration filer applied to the design calculation of enlarging volume of tertiary treatment of present urban sewage plant.

The invention discloses an ion microbubble aeration oil decomposition technology. The ion microbubble aeration oil decomposition technology is characterized in that an ion generation device is connected to a trace active oxygen device, an integrated controller circuit and an electromagnetic aeration pump are connected to the ion generation device, a micropore aeration pipeline is connected to the electromagnetic aeration pump, and the trace active oxygen device is located at one side of the ion generation device. The ion microbubble aeration oil decomposition technology has the advantages that a traditional oil decomposition concept is broken, the ion microbubble aeration technology is used for carrying out effective oil decomposition so as to avoid a series of troubles caused by untimely oil cleanness, as various catering waste oil is physically decomposed and no chemical agents are added, no secondary pollution is caused, illegal cooking oil is eliminated fundamentally, and the ion microbubble aeration decomposition oil technology has broad market prospect in catering industries.

The invention relates to a leachate treatment process of a waste incineration plant, comprising the following steps: 1) introducing the landfill leachate into a grid grit chamber to remove suspended solids and sediment in the leachate; 2) overflowing the leachate into the regulating tank Stirred by the submersible mixer; 3) The leachate in the adjustment tank enters the primary sedimentation tank; 4) The overflow of the leachate after sedimentation in the primary sedimentation tank enters the UASB reactor; 5) The effluent of the UASB reactor overflows to the facultative tank, and then 6) The supernatant of the secondary sedimentation tank overflows into the coagulation and flocculation tank, and after removing SS and CODCr in the clear liquid, it is pumped to the membrane treatment system by water pump; 7) The clear water entering the membrane treatment system passes through the supernatant After filtration and nanofiltration, it enters the clean water well and discharges directly. The invention adopts comprehensive physical and biochemical methods to process the landfill leachate, can process high-indicator sewage, improves the quality of effluent water, has good device operation stability, and reduces operating costs.

The invention discloses a micro-flocculation continuous sand filter. The invention mainly aims to provide a filter device which can improve the adsorption efficiency of filter sands and at the same time can realize the cyclic regeneration of the filter sands. The micro-flocculation continuous sand filter is characterized in that the micro-flocculation continuous sand filter comprises a water distribution device, a sand guiding device, a micro-flocculation generation device and a filter sand regeneration device; the filter sand regeneration device is formed by connecting a left meandering sand lifting pipe, a right meandering sand lifting pipe, a double-layer annular solid-liquid separation groove, a drive type mixing dynamic sand washing body and two detachable sieve plate cross flow scrubbing-type sand washing bodies; a water distribution pipe of the water distribution device is formed by welding a plurality of water distribution main pipes which are crossed and communicated with each other into an umbrella shape, and each water distribution main pipe is vertically provided with a plurality of water distribution sieve caps through welding; the micro-flocculation generation device consists of a jet device, a flocculation main pipe and multiple arc steel pipes communicated with one another, and each arc steel pipe is provided with holes; and the sand guiding device is a polygon cone formed by splicing multiple triangular steel plates, and the upper cone angle of the device clings to the part right below the water distribution device.