172results about How to "Settling fast" patented technology

The invention relates to a preparation method and application of a mine water flocculation agent with an adsorption function. The mine water flocculation agent is prepared from the following raw materials: a mineral material, chitosan, water, silicate, acid, aluminum chloride salt, ferric chloride salt and polyacrylamide. The preparation method comprises the following steps: carrying out heat treatment on a mineral material, then adding water and chitosan, then adding silicate, reacting to generate polysilicic acid, grafting the polysilicic acid on chitosan macromolecules, then adding aluminum chloride salt and ferric chloride salt, reacting, finally adding polyacrylamide, and aging to obtain the composite material. The mine water flocculating agent provided by the invention can synchronously remove suspended matters, fluorides and COD (Chemical Oxygen Demand), and has the advantages of low dosage, short reaction time and high settling speed.

The invention relates to the technical field of sewage treatment, in particular to superconducting magnetic coagulation equipment for sewage treatment, which comprises a mixing tank, a magnetic powder mixing mechanism mounted in the mixing tank and a sedimentation tank mounted on one side of the mixing tank, and a conducting pipe is fixedly mounted in one side, close to the top end, of the mixing tank and the sedimentation tank in a penetrating manner; a driving motor is fixedly connected to the middle position of the top end of the sedimentation tank through a bracket, and when the driving motor drives a sludge scraping rod to rotate, through the cooperative arrangement of a sewage scum treatment assembly, a transmission assembly and a scum removal assembly, when entering sewage contains a large amount of substances such as grease, suspended solids or colloids, the sludge scraping rod is driven to rotate; according to the equipment, scum covering the top end of the sedimentation tank can be automatically scraped, collected and treated in a centralized manner, so that the conditions that the scum flows out of the sedimentation tank along with water flow and enters a subsequent treatment unit, suspended solids of effluent are increased, the water quality becomes poor and the sewage effect is influenced are avoided, and the sewage treatment effect is ensured.

The invention discloses an ore separation and sediment treatment system for deep-sea mining. Belongs to the field of deep-sea mining and mainly comprises a sediment collecting and processing system, an ore screening system, a mine car carriage, a collecting head, a mine car track, a lifting hose, a draft tube connecting hard tube, a draft tube, a draft tube connecting hose and the like. According to the invention, through a set of sediment collection and treatment system, sediments discharged in all links of deep-sea mining are effectively collected, and a set of effective circulation system is formed; and meanwhile, the collected sediment-seawater mixture is matched with the filtering layer through the continuously contracted flow channel of the screw compressor, so that the concentration of sediment slurry is increased, the density of the sediment slurry is increased, the sediment slurry is quickly settled, and the problem that the sediment is diffused to form large plume flow to pollute the seabed environment is solved.

The invention discloses a fluorine removal agent as well as a preparation method and application thereof, and relates to the technical field of fluorine ion treatment. The fluorine removal agent comprises the following preparation raw materials: metal salt containing aluminum and iron, an acrylamide monomer and a cationic polymer monomer. The fluorine removal agent can achieve deep fluorine removal of industrial fluorine-containing wastewater, flocs generated in the fluorine removal process are large, compact and high in settling speed, and the fluorine removal agent has the advantages of being wide in pH use range, high in removal efficiency and the like, can rapidly reduce the concentration of fluorine ions in the wastewater to 1.0 mg / L or below, still has the fluorine removal rate of 80% or above for fluorine-containing wastewater with the concentration lower than 10 mg / L, and has a good application prospect. And the dosage of the fluorine removal agent is low, and an excellent fluorine removal effect can be realized when the dosage is less than 500mg / L.

The invention belongs to the technical field of wastewater treatment, and particularly discloses a thallium-containing wastewater treatment device which comprises a sedimentation tank and a reaction tank arranged on the upper portion in the sedimentation tank, and the reaction tank comprises an electro-catalysis tank, a pH adjusting tank, an electric flocculation tank, a magnetic medium inoculation tank and a stabilization tank which are sequentially communicated; a drainage tank I communicated with the electro-catalysis tank is arranged in the pH regulating tank; an outlet of the drainage tank I is communicated with the electric flocculation tank through a vortex tank I and an arc-shaped water outlet tank I in sequence; the structures of the magnetic medium inoculation pool and the stabilization pool are the same as the structure of the pH adjusting pool; pH probes are mounted in the pH regulating tank and the stabilizing tank. The invention also discloses a thallium-containing wastewater treatment method. The thallium-containing wastewater treatment device disclosed by the invention is large in occupied area, good in removal effect and stable in effluent; and a thallium removing agent, a flocculating agent and the like are not required to be added during operation, so that the operation cost is greatly reduced.

The invention relates to the technical field of emergency treatment of marine ecological disasters, and provides an algae remover for emergency treatment of red tide and a preparation method of the algae remover. The algae remover comprises the following raw materials in parts by weight: 70-90 parts of clay, 10-40 parts of an inorganic flocculant and 0.02-1 part of an organic flocculant. The organic flocculating agent comprises poly dimethyl diallyl ammonium chloride and polyvinyl alcohol; the mass ratio of the poly dimethyl diallyl ammonium chloride to the polyvinyl alcohol is 10: (1-8). According to the technical scheme, the problem of low red tide organism removal rate of an algae remover in related technologies is solved.

The invention discloses an acid-making process using hydrogen sulfide waste gas and waste sulfuric acid, and relates to the technical field of acid-making processes, and the acid-making process specifically comprises the following steps: step 1, high-temperature reaction and gas generation, step 2, gas purification and conversion, a demister and a spraying assembly are used for removing dust, impurities and harmful substances in the gas; and step 3, sulfur trioxide absorption and sulfuric acid preparation. According to the acid-making process using the hydrogen sulfide waste gas and the waste sulfuric acid, the absorption slurry is sprayed out through the nozzle to be in countercurrent contact with the gas mixture, physical absorption and chemical reaction are combined, dust, impurities and other harmful substances in the gas mixture are effectively removed, and the gas purification efficiency is improved; the nozzles at the upper end and the lower end are used for spraying and cleaning the corrugated plate, it is ensured that the corrugated plate is always kept clean, system efficiency reduction caused by blockage or pollution of the corrugated plate is reduced, and the operation efficiency and stability of the whole system are improved.

The invention provides a thallium removal method for a thallium-containing solution in a process of extracting lithium from lepidolite, and the method comprises the following steps: pumping the thallium-containing solution into a first-stage reaction kettle, adding a first mixing agent, stirring for reaction, and filtering to obtain a first-stage thallium-removed solution and first-stage thallium-removed slag; and pumping the first-stage thallium removal liquid into a second-stage reaction kettle, adding a second mixing agent, stirring for reaction, standing, and filtering to obtain second-stage thallium removal liquid and second-stage thallium removal slag. According to the thallium removal method for the thallium-containing solution in the lithium extraction process of lepidolite, thallium removal is carried out on the thallium-containing solution in two steps, the first step is carried out through the first mixing agent, the second step is carried out through the second mixing agent, no organic flocculant is used, rapid sedimentation can be achieved, no harmful gas is generated, the sludge amount is small, the process is short, and lithium loss is low; and efficient thallium removal in the process of extracting lithium from lepidolite is realized.

The invention relates to the technical field of water pollution treatment, in particular to application of a cerium salt coagulant in water treatment. The specific application method comprises the following steps: adding the cerium salt coagulant into a to-be-treated water body under stirring, carrying out a coagulation reaction, and settling floc generated by the coagulation reaction to obtain the treated water body, the cerium salt coagulant is cerium-containing nitrate, ammonium nitrate, chlorine salt, sulfate or oxalate; the water body to be treated is a water body containing organic matter-turbidity or algae. The invention solves the problem that the conventional treatment process has low removal effect on algae and organic pollutants in water and the problems of narrow applicable pH range, poor coagulation effect at low temperature and high concentration of residual metal ions in the application process of the traditional coagulant.

The invention relates to the technical field of flocculating agents, and discloses a flocculating agent for high-concentration azo printing and dyeing wastewater, which is prepared from the following components in parts by weight: 4 to 5 parts of hydroxypropyl chitosan derivative, 2 to 3 parts of sodium silicate solution, 0.5 to 1 part of sulfuric acid, 2 to 3 parts of ferric sulfate solution, 1 to 3 parts of zinc sulfate solution, and 4 to 5 parts of polyaluminum chloride solution and composite antibacterial agent. The preparation method comprises the following steps: preparing a sodium silicate solution, slowly dropwise adding the sodium silicate solution into sulfuric acid, and activating to obtain a polysilicic acid solution; sequentially adding a ferric sulfate solution, a zinc sulfate solution and a 50-500mg / L polyaluminum chloride solution, and standing and curing to obtain the polysilicate ferric zinc aluminum flocculant. The preparation method comprises the following steps: firstly, preparing a polysilicate ferric zinc aluminum flocculant, then slowly adding a melamine solution, carrying out ultrasonic action to obtain a carbonitrided polysilicate ferric zinc aluminum flocculant, and carrying out carbonitriding treatment on the polysilicate ferric zinc aluminum flocculant combined with metal ions to delay gelation of the polysilicate flocculant, so that the polysilicate flocculant can be stored for a longer time.

The invention belongs to the technical field of chemical agents, and provides a preparation method and application of an algicide for synchronously removing water bloom algae cells and algal toxins, the algicide is composed of calcium hypochlorite and natural clay, and the mass ratio of calcium hypochlorite to clay is 1: 1-5; the natural clay is at least one of bentonite, kaolin or diatomite; natural clay is used as a flocculating agent to prepare the algaecide, the algaecide is basically free of pollution to the ecological environment of a water body, calcium hypochlorite breaks the surface charge balance of algae cells by damaging the algae cells, rapid flocculation and sedimentation of the algae cells under the action of clay are facilitated, the removal rate reaches up to 80% or above, and the flocculation and sedimentation efficiency of the natural clay on the algae cells is far higher than the flocculation and sedimentation efficiency of the natural clay on the algae cells; after the algaecide is used for treatment, algaecide cells are broken, algaecide toxins in the cells are released, but calcium hypochlorite can quickly oxidize the toxins, so that the algaecide can synchronously remove algaecide toxins in water while removing water bloom algaecide cells, and the removal rate is up to 90% or above.

The invention discloses an advanced treatment method of tungsten beneficiation wastewater, which is characterized in that a composite flocculant is adopted to flocculate the tungsten beneficiation wastewater, and the composite flocculant is mainly composed of cationic polyacrylamide, a flocculant A and lignocellulose, the flocculant A comprises at least one of polyferric sulfate, polyaluminum chloride, polyaluminum ferric chloride, polyaluminum ferric sulfate, ferric sulfate, ferrous sulfate and aluminum chloride. According to the advanced treatment method for the tungsten beneficiation wastewater, under the action of the composite flocculant, the cost of a treatment agent can be reduced to about 0.16-0.20 yuan / m < 3 >, the cost reduction amplitude is as high as 80% or above, the treatment time can be shortened to be within 10 min, the precipitation time is greatly shortened, meanwhile, suspended solids in the wastewater can be effectively removed, actual production requirements are met, and the method is suitable for industrial production. The method has the advantages of low treatment cost, high treatment efficiency, good removal effect, good adaptability and the like, can realize advanced treatment of the tungsten beneficiation wastewater, and is high in use value and good in application prospect.

The invention relates to the technical field of sewage treatment, and particularly discloses an ECIS sewage treatment device capable of realizing sufficient aeration, which comprises a treatment tank, a filter tank and a sewage discharge system which are arranged in sequence, a physicochemical and biochemical treatment unit is arranged in the treatment tank, the sewage is subjected to a denitrification and dephosphorization process by a physicochemical and biochemical treatment method in the physicochemical and biochemical treatment unit, and the physicochemical and biochemical treatment unit comprises an electrode assembly, an aeration system and a reflux system; the device is characterized in that microbial self-flocculation particles are put into the treatment tank; the aeration system comprises an aeration device which is arranged at the bottom of the treatment tank and can be independently controlled, the aeration device is provided with a pusher which can generate pushing force downwards, and the bottom of the treatment tank is a conical bottom of which the inclination angle is greater than 55 degrees. And the requirement of rapid sewage treatment in actual life cannot be met.

The invention provides an iron ore filling system. The iron ore filling system comprises a conveying module, a thickening module, a water supply metering module, a cement supply module, a stirring module and a control module. The conveying module is composed of a conveying pipeline, a valve and a spiral conveyor. The thickening module is composed of a deep cone thickener; the water supply metering module comprises a slurry making pump, an overflow water pipe, a slurry making water pipe and a flow meter; the cement supply module is composed of a cement bin and further comprises a tailing slurry pipeline. The stirring module comprises a stirring bin; the deep-cone thickener is additionally arranged and used for thickening tailing slurry, so that the concentration of underflow is increased, the concentration of filling slurry is improved, the quality of a filling body is guaranteed, the influence of mining on the surrounding environment is reduced, the safety of underground operation is improved, and precious mineral resources are recycled to the maximum extent; the problems of collapse and ground pressure caused by the goaf are solved.

The present invention relates to the field of wastewater treatment technology, specifically, to an industrial wastewater treatment and recovery device. It includes a box body; a multifunctional roller group; an auxiliary treatment part, including a guide drive component and an auxiliary treatment component arranged along the inner wall of the box body, the guide drive component is used to drive the auxiliary treatment component to move, when the auxiliary treatment component is located inside the dosing chamber, it is used to stir the sewage and sedimentation agent inside the dosing chamber, the auxiliary treatment component can be cleaned when passing through the multifunctional roller group, and the auxiliary treatment component is used to accelerate the sedimentation of industrial wastewater inside the sedimentation chamber. The industrial wastewater treatment and recovery device of the present application can assist wastewater treatment operations in different links, effectively reduce wastewater treatment time, and improve wastewater treatment efficiency.

The present invention provides a device and method for removing hardness from industrial wastewater, and relates to the technical field of removing hardness from industrial wastewater, comprising a tank body, the inner surface of the tank body is rotatably connected to a first rotating rod through a bearing, the surface of the first rotating rod is rotatably connected to a bent rod through a bearing, the surface of the bent rod is fixedly connected to a rocking plate, the surface of the rocking plate is rotatably connected to a positioning rod through a universal joint bearing, the surface of the positioning rod is slidably connected to a lifting frame, the upper surface of the bent rod is fixedly connected to a screw rod, the surface of the screw rod is threadedly connected to a threaded barrel, the lifting frame is fixedly connected to the threaded barrel, the present invention drives the rotating frame to rotate through a first gear ring, the rotating frame drives the stirring blade to rotate through a rotating rod, at this time, the internal wastewater can be stirred, and the stirring can promote sufficient contact between the industrial wastewater and the reagent, thereby accelerating the reaction rate and improving the overall treatment efficiency.

The invention discloses a sludge conditioner with a nanoscale hydrophobic material loaded with a multi-core metal chelate, which is characterized by comprising the following components in percentage by weight: 10 to 20 percent of hydrophobic material, 30 to 35 percent of chelated iron solution, 10 to 15 percent of multi-core metal salt, 5 to 10 percent of dispersing agent, 2 to 5 percent of pH (Potential of Hydrogen) regulator and the balance of deionized water. The sludge conditioner can destroy EPS of a sludge system, dissolve microbial cells in the sludge, release bound water in the sludge and reduce electrostatic repulsion, so that the hydrophobicity of the microbial cells in the sludge is improved, free water and surface water are released, and the dehydration performance of the sludge is greatly improved.

The invention relates to the technical field of sewage treatment, and discloses a cationic etherifying agent composition for sewage treatment and a preparation method thereof. The cationic etherifying agent composition for sewage treatment is obtained by mixing gemini imidazoline quaternary ammonium salt etherified starch, a chitosan-based graft modified copolymer and poly-aluminum silicate. Nitrogen atoms on an imidazoline ring and a pyrrole ring, hydroxyl and amino can form hydrogen bonds in the flocculation process, so that the interaction between the composition and colloidal particles is enhanced, and the flocculation effect is improved; positive charges in quaternary ammonium salt can react with negative charges carried by suspended particles in sewage, so that the particles are more easily gathered, and the flocculation performance is improved; chitosan and starch molecular chains are relatively long, so that a plurality of pollutant molecules can be adsorbed at the same time, and a bridging effect is achieved; a gemini imidazoline quaternary ammonium salt structure and a cation modified pyrrolidone structure are introduced into starch and chitosan molecules, so that active sites of the starch and chitosan molecules are increased, and the flocculation effect is further enhanced.

The present invention discloses a concentrate recovery device, including a concentration tank, a feeding mechanism, and the feeding mechanism is fixed in the concentration tank. An overflow port is provided at the top of the concentration tank, and a discharge port is provided at the bottom. The feeding mechanism includes a feeding fixed pipe, a flow stabilizing cylinder sleeved on the outside of the feeding fixed pipe, and the feeding fixed pipe is a cavity with a top or / and side opening, and the opening is the access point of the feeding pipe. A plurality of discharge holes penetrating the outside are provided at the bottom of the cavity, and the flow stabilizing cylinder and the feeding fixed pipe are arranged at intervals, and the discharge hole is placed in the turbid layer of the slurry in the concentration tank. The beneficial effects of the present invention are as follows: by installing the discharge hole in the turbid layer, the feeding point can be lowered to avoid making the clear water layer turbid. Through the flow blocking effect of the flow stabilizing cylinder, the slurry at the discharge hole encounters the flow stabilizing cylinder, the speed is reduced, and the flow direction is also changed, which reduces the impact force of the feeding, improves the feeding effect, increases the sedimentation speed of the entire sedimentation process, and improves the recovery rate.

The present application relates to a kind of demulsifier for oily wastewater and its preparation method, belong to oily wastewater treatment technical field.The raw material component of the demulsifier includes 15-25wt% iron salt, 10-20wt% aluminum salt, 5-10wt% auxiliary salt and the balance deionized water;Auxiliary salt is the complex system of magnesium salt and zirconium salt;The demulsifier is complexed into intermediate by its raw material component, then polymerized at the temperature of ≤30 ℃.The synergistic effect of iron ion, aluminum ion, magnesium ion and zirconium ion, the prepared demulsifier keeps the oil removal rate at 95% or more in the range of temperature 5-40 ℃, salinity 0.5%-5%, pH 4.0-10.0, COD removal rate is more than 85%, and the performance stability is significantly better than traditional demulsifier, with high demulsification efficiency, low sludge yield, strong adaptability, green environmental protection, low cost and wide application scenarios, with high market value.

The invention relates to a thickener heat exchange system, and belongs to the technical field of ore pulp treatment. Comprising a first heat exchange assembly and a second heat exchange assembly. The first heat exchange assembly and the second heat exchange assembly are both arranged in the thickener; the first heat exchange assembly and the second heat exchange assembly are internally provided with heat exchange media. The heat exchange medium is a reaction medium from a fission bin, and the heat exchange medium flows back to the fission bin after completing heat exchange in the thickener. The waste heat utilization of the fission bin and the ore pulp cooling process of the thickener are combined into a whole, so that not only is the equipment resource saved, but also the energy consumption of the system is obviously reduced. The viscosity of the ore pulp can be reduced by properly increasing the temperature of the ore pulp, the flowability of solid particles in the ore pulp is improved, the particles can settle to the bottom more quickly, and therefore the solid-liquid separation efficiency of the thickener is improved.

The utility model relates to the technical field of aluminum oxide production, and discloses a settling tank heating device for aluminum oxide production, which comprises a settling tank, a support cylinder is fixedly mounted in the middle in the settling tank, a support rod is rotatably mounted in the support cylinder, and a bracket is fixedly mounted at the top of the support rod. The stirring motors on the two sides of the bracket are driven to drive the stirring rods on the two sides in the settling tank to rotate, slurry in the settling tank is stirred, meanwhile, when the bracket rotates with the supporting rod in the supporting cylinder as the center, the rotating stirring rods can be synchronously driven to rotate in the settling tank, and slurry in the settling tank is stirred. The settling speed of aluminum oxide particles is increased, the settling efficiency is improved, the uniformity of an aluminum oxide particle layer is ensured, the two sets of mounting frames are synchronously driven to rotate, the heating plates at the bottoms of the two sets of mounting frames slowly rotate in the heating tank, the inner wall of the settling tank can be uniformly and continuously heated, and the cost is greatly reduced due to the fact that the heating plates are small in size.

The utility model relates to a water sample centrifugal bottle which comprises a bottle body and a vertical frame arranged below the bottle body and used for supporting the bottle body to be vertical, a top cover is detachably connected above the bottle body, a conical cylinder is communicated below the bottle body, baffle plates which are connected with each other are arranged on the inner surface of the bottle body and the inner surface of the conical cylinder, and the lower ends of the baffle plates are positioned above the inside of a bottom cylinder. A clamping groove is formed in the outer surface of the conical cylinder, the lower portion of the conical cylinder is communicated with a bottom cylinder, a bottom cover embedded into the vertical frame is detachably connected to the lower portion of the bottom cylinder, a balancing weight is arranged in the vertical frame, a plurality of elastic pieces are connected to the upper portion of the vertical frame, and a clamping ridge connected with the clamping groove in a clamped mode is connected to the upper portion of each elastic piece. The centrifugal bottle can be vertically stood and settled through the vertical frame or centrifugally settled through the centrifugal machine, so that different settling separation modes can be adopted according to requirements, the time required by conventional standing and settling is shortened during standing, and secondary turbidity possibly caused by shaking when the centrifugal bottle is taken out after centrifugal settling is avoided during centrifugation.

The utility model discloses a self-diluting and flocculating agent mixing and distributing device which comprises a jet pipe mechanism used for absorbing a self-diluting solution under negative pressure. The self-diluting and flocculating agent mixing and distributing device further comprises a distributing mechanism, the distributing mechanism comprises an outer steady flow cylinder, an inner circulation mixing conical cylinder is assembled and connected in the outer steady flow cylinder, and the discharging end of the jet pipe mechanism is communicated with the inner circulation mixing conical cylinder; the material distributing mechanism further comprises a middle bobbin fixedly connected to the middle part of the internal circulation mixing conical cylinder; the material distribution mechanism further comprises a flow guide mechanism matched with the internal circulation mixing conical cylinder, and a plurality of flow guide through holes are formed in the internal circulation mixing conical cylinder. By adopting the device, medicaments can be effectively mixed, materials can be quickly flocculated, the settling speed can be increased, and the treatment capacity of the thickener is greatly improved.

The application relates to the technical field of industrial sewage treatment equipment, and particularly discloses an integrated intelligent heavy medium feeding and efficient sludge concentration system, which comprises a sewage treatment unit, a heavy medium circulation unit and a sludge-water treatment unit. The heavy medium circulation unit comprises a sludge pumping pipe, the sludge pumping pipe is arranged in the inside of a sludge discharge groove, one side of the sludge pumping pipe is fixedly connected with a pump, and one side of a liquid outlet of the pump is fixedly connected with a hydraulic heavy medium separator. In the scheme, the hydraulic heavy medium separator is coupled with the sludge-water treatment unit with an internally-arranged flexible flat plate dewatering membrane to form a closed loop structure of 'heavy medium recovery-overflow sludge-water forced pre-concentration', the overflow sludge-water with a high water content of 99.2% to 99.6% in the traditional process is concentrated by using the anti-pollution and unbroken wire membrane assembly for physical interception, the sludge volume is reduced by more than 60%, and the industry pain points of large sludge quantity and high rear-end dewatering load in the traditional process are solved.

The invention belongs to the technical field of resource utilization and environmental protection, and relates to a flue gas method brine purification and salt production by-product resource coupling utilization system and method, the system comprises: a first primary reaction tank, a second primary reaction tank, a second reaction tank, a third reaction tank, a fourth reaction tank, a fifth reaction tank and a high nitrate liquid tank. According to the raw brine (sodium sulfate content), the high-nitrate liquid and the quick lime are added, so that the refined brine index is realized, and the production is stable; second-stage salty mud of the second-stage reaction tank, and / or fourth-stage salty mud of the fourth-stage reaction tank, and / or fifth-stage salty mud of the fifth-stage reaction tank are recycled and added into the third-stage reaction tank, excessive flue gas is introduced, the flue gas preferentially reacts with the salty mud powder in the process, and conditions are provided for follow-up sedimentation acceleration; in addition, a lime-flue gas method and a two-alkali continuous method-double-membrane method can be realized to promote collaborative development.

The invention relates to a water treatment agent and a preparation method and application thereof, and the preparation method comprises the following steps: (1) adding an organic additive and hydrogen peroxide into an ammonia water solution to prepare a mixed solution I, carrying out electrolytic reaction, and aging to obtain sol; (2) dissolving acrylamide and a cationic monomer in water to obtain a mixed solution II; (3) adding the mixed solution II into the sol in the step (1) to obtain a mixed solution III; and (4) adding an initiator into the mixed solution III, and carrying out polymerization reaction to prepare the water treatment agent. According to the method disclosed by the invention, introduction of heteroanions is avoided, efficient in-situ polymerization of organic components on inorganic components is improved, the problem of low molecular weight of the medicament caused by initiation of an anion inhibition chain is solved, and the prepared medicament has excellent defluorination and flocculation capabilities.

The invention discloses a settling filter for purifying tap water in a laboratory. The settling filter comprises a mixing tank and a settling filter assembly, the liquid inlet end of the mixing tank is connected with a laboratory tap water pipeline, and the liquid outlet end is connected with the water inlet end of the settling filter tank assembly through a pipeline; the mixing tank is further connected with a flocculating agent adding assembly through a pipeline, the sedimentation filter tank assembly comprises a long-strip-shaped tank body, a suspended filter bed, a plurality of rows of inclined plates distributed in parallel at intervals and a plurality of sedimentation hoppers are sequentially arranged in the tank body from top to bottom, and sludge discharge ports of the sedimentation hoppers are connected with a sludge treatment assembly through pipelines. A water inlet and a water outlet are formed in the tank body, the water inlet is located between the inclined plate and the precipitation hopper, the water outlet is located above the filter bed, and the water outlet is connected with a clear water treatment assembly through a pipeline. The device is compact in structure, can effectively improve the purification efficiency of tap water in a laboratory, is stable in water outlet, and effectively solves the problems of hardening and blockage of a filter bed.

This application provides a two-step flocculation adaptive control method for tailings slurry based on FBRM online monitoring, relating to the field of tailings treatment technology in the mineral processing industry. The method includes: online monitoring of the original tailings slurry using focused beam reflection measurement under no-doping conditions to obtain the particle size baseline characteristics of the original slurry; adding a primary flocculant to obtain a first slurry, and monitoring the dynamic particle size characteristics of the flocs during the flocculation process in real time; based on the dynamic particle size characteristics of the first slurry, determining whether the first slurry has reached a ready state suitable for secondary flocculation according to a preset primary flocculation completion criterion; when the first slurry reaches the ready state, automatically initiating the addition of a secondary flocculant to obtain a second slurry, and providing real-time feedback on the particle size distribution change in the second slurry as a control signal to adaptively adjust the dosing rate of the secondary flocculant. This method can automatically adapt to changes in ore properties, solid content, and operating conditions, and has strong potential for widespread application.

The invention discloses a space-intensive flocculation water treatment device, comprising an outer cylinder and an inner cylinder, wherein the inner cylinder is rotatably mounted inside the outer cylinder, an inlet pipe is mounted on the outer cylinder, and a connecting pipe is mounted on the inner cylinder, sewage is input through the inlet pipe and output from the connecting pipe, a mixing mechanism is arranged inside the outer cylinder, the mixing mechanism makes the flocculant and the polluted particles in the water aggregate to form floccules, and a separation mechanism is arranged inside the inner cylinder, the separation mechanism is used to separate the floccules in the sewage to improve the purity of the water. In the space-intensive flocculation water treatment device, the flow speed of the sewage and the flocculant changes, and the sewage and the flocculant generate centrifugal force during the flow inside the water channel, which promotes the sewage and the flocculant to condense into larger alum flowers during the flow process, and is easy to form large and dense flocs, which can improve the floc sedimentation speed, and is conducive to the improvement of the subsequent sedimentation separation efficiency, while saving the space and stirring device of the general flocculation unit.