24results about How to "Promote flocculation" patented technology

The invention belongs to the technical field of sodium-ion batteries, and relates to sodium-ion battery positive electrode slurry and a preparation method thereof, and the sodium-ion battery positive electrode slurry comprises a positive electrode active material, a conductive agent, a binder, a dispersant, a slurry stabilizer and a solvent; the positive electrode active material is a transition metal layered oxide material, the conductive agent is one or a combination of more of conductive carbon black, ketjen black, conductive graphite and a carbon nanotube, the binder is polyvinylidene fluoride, the dispersant is polyvinylpyrrolidone, the slurry stabilizer is one or a combination of more of iron oxide, aluminum oxide, zirconium oxide and titanium boride, and the positive electrode active material is a positive electrode active material. The solvent is N-methyl pyrrolidone; in the slurry preparation step, a binder and a solvent are mixed and dissolved to prepare a glue solution; adding a conductive agent and a dispersing agent for dispersing to obtain a conductive adhesive; adding a positive active material and a slurry stabilizer, and dispersing to obtain final slurry; the invention can effectively solve the problem of slurry flocculation in the homogenizing process of the sodium ion battery positive electrode material.

The invention provides a rainwater recycling device of an energy-saving building and a using method of the rainwater recycling device, and relates to the technical field of rainwater recycling of energy-saving buildings. The rainwater recycling device of the energy-saving building comprises a treatment box, a water collecting frame is arranged on the upper surface of the treatment box, a dustproof net and a scraper blade are arranged on the upper surface of the water collecting frame, a flocculation barrel is arranged on the left side of the interior of the treatment box, a first stirring rod and a second stirring rod are arranged in the flocculation barrel, and the rainwater recycling device further comprises a filtering box; a first filter screen and a second filter screen are arranged in the filter box, the device further comprises a driving mechanism, the driving mechanism drives the scraping plate to reciprocate, the driving mechanism drives the first stirring rod and the second stirring rod to synchronously and reversely rotate, and the driving mechanism drives the first filter screen and the second filter screen to vibrate up and down. Synchronous operation of a plurality of components can be achieved only by arranging one driving motor, and compared with the mode that one motor can only drive one component, energy is saved.

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.

This invention relates to a method for constructing a biodegradable mangrove ecological island based on dynamic tidal energy regulation, and an artificial island siltation device. The artificial island siltation device includes a bamboo gate system, a hemp rope net system, a fixed pile system, and a limiting system. A dynamic filtration structure is formed by the liftable bamboo gate and the hemp rope net. Utilizing the buoyancy difference and water flow velocity changes generated by tidal rise and fall, a synergistic effect is achieved: accelerating the passage of sediment-laden water during high tide and promoting siltation during low tide. A fully biodegradable material is used to construct a growing silt body. The buoyancy balance is regulated by the bamboo joint holes, ensuring the device remains suspended on the surface layer of the silt body. This allows for continuous siltation and elevation of the tidal flat, forming an artificial island that provides a site for mangrove seedling planting and meets the required daily sunrise duration for mangrove growth. The method and device of this invention have technical advantages such as low construction cost, dynamic adaptation to tidal changes, and avoidance of secondary pollution.

The invention discloses a purification system and method for removing conventional pollutants and antibiotic resistance genes in garbage penetrating fluid, and belongs to the technical field of sewage treatment.The purification system comprises a pre-sedimentation tank, a purification tank, a nanofiltration membrane module device, a clean water tank, a concentrated water tank and a backwashing system, and the upper portion of the pre-sedimentation tank is communicated with an adjusting tank through a conveying pipeline; the purification tank comprises a flocculation tank and an inclined plate sedimentation tank which are adjacently communicated, and the flocculation tank is communicated with the regulating tank through a conveying pipeline; the liquid inlet end of the nanofiltration membrane unit is communicated with an overflow pipe of the inclined plate sedimentation tank, the clean water tank is communicated with the water outlet end of the nanofiltration membrane unit, and the concentrated water tank is communicated with one water outlet end of the nanofiltration membrane unit; the backwashing system is communicated with the water outlet end of the nanofiltration membrane module and is used for backwashing the nanofiltration membrane module. According to the method, a flocculation process and a nanofiltration process are combined, the concentration of pollutants can be greatly reduced in the flocculation process, membrane pollution caused by the fact that a large number of pollutants enter a nanofiltration membrane is avoided, and removal of conventional pollutants and ARGs is enhanced in the nanofiltration process.

This invention discloses a sludge thickening tank for wastewater treatment plant construction, belonging to the field of sludge thickening technology. It includes a thickening tank with a conical sludge hopper at the bottom and a sludge discharge port at the bottom of the hopper. A sludge discharge pipe is located at the lower end of the discharge port. An overflow weir is slidably connected to the inner curved surface of the thickening tank, and a clear water tank is fixedly connected to the lower end of the outer curved surface. A fixed plate is radially fixedly connected to the upper end of the clear water tank, and a stirring assembly is fixedly connected to the middle of the fixed plate. A fixed chamber is fixedly connected to the upper end of the stirring assembly, and a second drive motor is fixedly connected to the upper end of the fixed chamber. An intermediate shaft and a retraction rod are slidably connected to the fixed chamber. This invention achieves advantages such as high-efficiency thickening, intelligent control, and wear resistance through an innovative structure of adjustable overflow weir + intelligent valve + dual-drive stirring, while also considering ease of operation and safe maintenance, making it suitable for modern wastewater treatment needs.

The utility model relates to a splicing and inserting type coagulation reaction grid, in particular to a flocculation grid for water treatment, which is of a net-shaped structure formed by vertically and horizontally inserting hollow pipes, and frames are arranged on the edges of the net-shaped structure. The transverse pipelines are provided with holes matched with the longitudinal pipelines, and a stable framework is formed through precise insertion. Compared with the prior art, the flocculation grid has the remarkable advantages that the stability of the flocculation grid is greatly improved through the interpenetrating structure, and the flocculation grid can resist impact of complex water flow; the porosity can be flexibly changed by adjusting the number, spacing and the like of the pipelines to adapt to different water quality treatment requirements; the hollow pipe design saves materials, is light in weight and convenient to install and transport, and the pipeline can be made of metal or plastic, so that the performance and the cost are further optimized. The flocculation grid is applied to a flocculation basin, can effectively increase turbulent fluctuation of water flow and accelerate colloid flocculation, and has a good application prospect in the field of water treatment.

The invention discloses a decolorizing agent for wastewater treatment and a preparation method thereof, and belongs to the technical field of sewage treatment. The decolorizing agent for wastewater treatment is prepared from the following components in parts by mass: 40 to 60 parts of modified molecular sieve, 10 to 30 parts of polyaluminum chloride and 2 to 5 parts of anionic polyacrylamide, according to the decolorizing agent for wastewater treatment, the characteristics of inorganic and organic flocculants are integrated, the adsorption capacity of the decolorizing agent for wastewater treatment on wastewater pollutant components is improved by virtue of the synergistic effect of multiple flocculants, the components are matched with one another, industrial wastewater can be rapidly decolorized, the water treatment efficiency is improved, the cost is reduced, and the decolorizing agent is suitable for industrial wastewater treatment. By modifying the molecular sieve, the decolorizing effect of the decolorizing agent for wastewater treatment on wastewater is remarkably improved.

The invention discloses a composite thallium removal agent for treating thallium-containing wastewater, a preparation method thereof and an application thereof. The composite thallium removal agent comprises the following raw material components: magnesium sulfate, potassium phosphate, ferrous sulfide, sodium alginate, sodium citrate and sodium selenite. The composite thallium removal agent of the invention can quickly convert thallium ions into large-particle thallium composite precipitates through the mutual cooperation of various effective components, so as to facilitate the efficient purification of thallium-containing wastewater, and has the advantages of low treatment cost, good thallium removal effect and green environmental protection. It is a novel thallium removal agent with excellent thallium removal performance, which can be widely used to treat thallium-containing wastewater of various water qualities, and can realize deep treatment. In particular, through the combined action of processes such as "polyaluminium ferric sulfate + composite thallium removal agent + flocculant", not only high-quality thallium-containing filter residues can be obtained, and the resource recovery and utilization of thallium can be realized, but also the water body can be effectively purified, so that the thallium content in the filtrate is less than 5μg / L.

This invention discloses a low-cost rare earth weathering steel and its production process. The chemical composition and mass percentage of the weathering steel are as follows: C 0.06%~0.12%, Si 0.25%~0.50%, Mn 0.60%~1.00%, P 0.07%~0.12%, S≤0.005%, Cu 0.15%~0.40%, Cr 0.30%~0.50%, Ce 0.002%~0.015%, Alt 0.020%~0.050%, Ti 0.02%~0.08%, N≤0.006%, with the balance being Fe and unavoidable impurities. This weathering steel uses rare earth oxides added to refining slag, and a high-alkalinity, low-oxidizing refining process to improve rare earth yield. Rare earth inclusions and nozzle turbulence are modified through calcium-magnesium composite treatment, achieving rare earth micro-alloying to replace high-alloy additions. While meeting the mechanical properties and high corrosion resistance of 355MPa grade weathering steel, it significantly reduces alloy costs by more than 15% compared to traditional weathering steel. The process flow is compatible with existing production lines and is suitable for industrial mass production.

The invention discloses a preparation method of a polyaluminum chloride flocculating agent, and relates to the technical field of water purifying agents. Comprising the following steps: 1, adding attapulgite into a sodium sulfide solution, and carrying out hydrothermal reaction to obtain modified attapulgite; compounding the modified attapulgite, sodium alginate and sodium metaaluminate to obtain a stabilizer; 2, sequentially adding aluminum hydroxide, hydrochloric acid and purified water into the enamel reaction kettle, and carrying out primary reaction; discharging the reacted solution into an adjusting kettle, adding calcium aluminate powder and a stabilizer, carrying out secondary reaction, and carrying out filter pressing to obtain PACV liquid; 3, cationic starch is added into the PACV liquid, heating and stirring are conducted, spray drying is conducted, and the polyaluminum chloride flocculant is obtained. According to the scheme, a compound stabilizer containing modified attapulgite and sodium alginate is introduced, so that the salinity of the polyaluminum chloride is effectively improved, and the flocculation performance of the polyaluminum chloride is enhanced; and cationic starch is further introduced as a coagulation aid subsequently, so that the bridging performance is promoted, and the water purification effect is enhanced.

The invention discloses application of basophilic bacillus and a microbial agent thereof in production of standard natural rubber 10 # rubber by taking skim gum as a raw material, and belongs to the field of primary processing of natural rubber. According to the invention, the bacillus alcalophilus CICC 23037 and the microbial inoculum thereof are used for producing standard natural rubber No. 10 rubber by taking skim gum as a raw material; the bacillus alcaliphilus CICC 23037 grows well in the skim skim with high ammonia content, continuously secretes protease to remove rubber protein in the skim skim, simultaneously secretes organic acid, neutralizes ammonia in the skim skim, reduces the pH value of the skim skim and destroys the stability of latex, so that the skim skim is solidified in a range that the pH value is less than or equal to 9.0; the technical indexes of the skim rubber obtained by the method provided by the invention meet the performance requirements of No. 10 rubber in GB / T 8081-2018 natural raw rubber technology graded rubber (TSR) specification guide rule.

The invention relates to the technical field of food processing, and in particular to a method for preparing a microalgae plant milk beverage, comprising: S1, selecting fresh microalgae in which protein accounts for ≥40% of cell dry weight, oil accounts for ≤15% of cell dry weight, and starch accounts for ≤30% of cell dry weight; S2, preparing algae pulp with drinking water, breaking algae cells with a high-pressure homogenizer to obtain broken algae pulp; S3, adding water to dilute the broken algae pulp, adding 350-5000 units / kg of cellulase, 500-50000 units / kg of protease, 500-3000 units / kg of amylase and 1000-3000 units / kg of saccharifying enzyme to carry out enzymolysis based on the weight of the diluted algae pulp, and after the reaction is completed, adding an additive of less than 5g / 100mL, stirring and mixing evenly; S4, heating to 50-80°C, and homogenizing again; S5, sterilizing and filling to obtain a finished product. The present invention adopts microalgae with high protein content to prepare a plant milk beverage, and the protein / oil or protein / starch ratio of the plant milk beverage is reasonable, thereby making up for the problem of low protein / calorie ratio of the plant milk beverage.

The utility model relates to the technical field of sedimentation tanks, in particular to a high-density sedimentation tank capable of improving solid-liquid separation efficiency. The high-density sedimentation tank capable of improving the solid-liquid separation efficiency comprises a sedimentation bin, a fixed plate, a motor, a speed reducer, a fixed seat, a driving gear, a driven gear, a stirring piece and a scraper, the bottom of the precipitation bin is of a conical structure, and the upper part is of a columnar structure; two ends of the fixed plate are fixed at the top of the precipitation bin; the motor is mounted at the top of the fixed plate; the speed reducer is connected with the output end of the motor, and the two ends of the speed reducer are connected with the fixing plate through fixing rods. Two ends of the fixed seat are fixed at the top of the precipitation bin; an annular ring is arranged in the middle of the fixed seat; a circle of teeth are arranged on the annular inner wall face of the annular ring. The stirring pieces on the first rotating rod and the second rotating rod move relatively, so that flocculation can be accelerated, the treatment time is shortened, and the solid-liquid separation efficiency is further improved.

The invention relates to the technical field of mineral processing equipment, and discloses a mineral processing thickener with a defoaming structure, the mineral processing thickener comprises a thickener main body, the top of the thickener main body is fixedly connected with a mounting frame, the inner side of the mounting frame is provided with a mounting shell, the inner side of the mounting shell is provided with a double-shaft motor, the inner side of the mounting shell is provided with a connecting shaft, and the connecting shaft is provided with a defoaming structure. First bevel gears are fixedly connected to one end of the connecting shaft and the output end of the double-shaft motor, a connecting piece is rotatably mounted on the inner bottom wall of the mounting shell, a second bevel gear is mounted at the top of the connecting piece, and the outer side of the second bevel gear is in meshed connection with the outer sides of the two first bevel gears; and the other end of the connecting shaft is fixedly connected with a driving turntable. Bubbles in ore pulp are effectively eliminated through the action of renaturation airflow in the past, and the problems that in a traditional defoaming method, the defoaming efficiency is low, water resources are wasted, equipment is abraded, and foams are difficult to completely remove are solved.

The invention discloses a steel dust sludge filtrate purifying agent and a preparation method and application thereof, and relates to the technical field of steel dust sludge filtrate treatment. The steel dust sludge filtrate purifying agent comprises an agent A and an agent B, the agent A comprises the following chemical raw materials in parts by mass: 10 parts of sodium bicarbonate and 5-30 parts of sodium carbonate; the agent B is prepared from the following chemical raw materials in parts by mass: 10 parts of a slow-release oxidizing agent, 100 to 300 parts of a flocculating agent and 1.5 to 2.5 parts of a scale inhibition dispersing agent; the slow-release oxidizing agent is prepared from the following raw materials in parts by mass: 10 parts of potassium ferrate and 0.5-3 parts of polyvinyl acetate; the flocculating agent is a ternary polymer of dimethyl diallyl ammonium chloride, acrylamide and methacryloyloxyethyl trimethyl ammonium chloride. The iron and steel dust sludge filtrate purifying agent is high in metal ion settling efficiency and high in speed.

The utility model discloses a pile foundation construction waste mud treatment device which comprises a shell, the interior of the shell is hollow, and the bottom of the shell is communicated with a discharging pipe. The filtering structure for pretreating the waste slurry comprises a feeding pipe for sucking the waste slurry, a feeding barrel communicated with the feeding pipe and a conveying pipe connected between the feeding barrel and the shell, and a filtering frame is arranged in the feeding barrel; the heating assembly comprises a treatment barrel arranged in the shell and a heating piece arranged on the outer surface of the treatment barrel and used for heating the treatment barrel; the temperature control piece comprises a temperature sensor arranged in the treatment barrel and a temperature controller which is arranged on the shell and is electrically connected with the temperature sensor and the heating piece at the same time; the chemical adding structure comprises a chemical barrel fixedly mounted on the outer side of the shell and a liquid conveying pipe connected between the chemical barrel and the treatment barrel; the filter press used for mud-water separation is communicated with one end, relatively far away from the shell, of the discharging pipe, and a mud collecting frame and a water collecting frame are respectively arranged on the filter press. Under the cooperation of the structure, waste mud is treated, emission pollution is reduced, resources are fully utilized, and a certain popularization value is achieved.

The present invention discloses a chemimechanical pulp white mud recovery apparatus, and relates to the technical field of papermaking recovery, the chemimechanical pulp white mud recovery apparatus comprises a flocculation tank for recovering green liquor, and further comprises a variable flocculation stirring mechanism for improving the flocculation effect of the flocculation tank and extruding precipitated white mud, the regulation and control mechanism is used for controlling the variable flocculation stirring mechanism to spray out a flocculation agent in a variable mode, the control cabinet is used for controlling discharging to enable the variable flocculation stirring mechanism to change the state, and a recovery tank is arranged beside the flocculation tank. When the device is used for carrying out flocculation treatment on green liquor to recycle the green liquor, the flocculation precipitation rate of white mud in the green liquor can be increased by utilizing the matching effect of the variable flocculation stirring mechanism and the regulation and control mechanism, and meanwhile, the white mud can be automatically extruded after the flocculation precipitation is finished, so that the white mud can be recycled. And therefore, reusable liquid contained in the white mud is discharged, and the recovery effect is improved.

The invention relates to the technical field of water treatment, and provides an antimony removal coagulant as well as a preparation method and application thereof. The antimony removal coagulant provided by the invention is prepared from the following raw materials: an aluminum foil pickling solution, calcium aluminate powder, ferric trichloride and an auxiliary agent, wherein the auxiliary agent is inorganic acid. The aluminum foil pickling solution is used for providing aluminum chloride, the aluminum chloride and the calcium aluminate powder can react to generate polyaluminum chloride, and polyaluminum ferric chloride with a good flocculation effect is generated by combining ferric trichloride; meanwhile, inorganic acid is adopted as the auxiliary agent, so that flocculation of the coagulant is more sensitive, the stability of the coagulant can be improved, and the color of the effluent quality is prevented from exceeding the standard. Moreover, the aluminum foil pickling solution is adopted as a raw material, so that waste is treated by waste, the method is environment-friendly, the raw materials are easy to obtain, the cost is low, and the method has wide application prospects.

The application provides a high-efficiency treatment and sludge concentration device for fracturing flowback fluid, which comprises an electric flocculator, a settling cylinder and a cyclone pipe. The electric flocculator comprises a plurality of flocculation tubes arranged side by side and connected in series, a U-shaped joint connected between adjacent flocculation tubes, and a power supply for supplying power to the flocculation tubes. The settling cylinder is used for separating oil, water and mud in the fracturing flowback fluid. The cyclone pipe is connected to the outlet end of the electric flocculator and extends into the settling cylinder along the tangent direction of the cross section of the settling cylinder. The electric flocculator and the settling cylinder are arranged. The electric flocculator breaks the emulsification of the fracturing flowback fluid, and flocculates the oil droplets, suspended impurities and solid impurities in the fracturing flowback fluid into flocs, so that the oil, water and mud can be separated by the subsequent settling cylinder.

The invention belongs to the technical field of sewage treatment, and particularly relates to an efficient sewage treatment agent and a preparation method thereof, and the efficient sewage treatment agent comprises the following components in parts by weight: 20-30 parts of a CaWO4 / ZIF-67 composite material, 10-20 parts of Al2 (SO4) 3, 5-10 parts of Fe2O3, 0.5-2 parts of NaHSO3, 1-5 parts of Na2SiO3 and 3-15 parts of MnO2. The ZIF-67 has high adsorption efficiency due to high porosity and adjustable characteristics, the ZIF-67 and the CaWO4 are compounded, and the composite material is endowed with magnetism, so that the composite material can quickly adsorb pollutants to the surface, the problems that the single ZIF-67 is easy to agglomerate and difficult to recycle are solved, the flocculation effect and the reduction effect are combined, the COD (Chemical Oxygen Demand) of sewage is further reduced, and the sewage treatment efficiency is improved. The effect of efficiently purifying the sewage is achieved.

The invention relates to the technical field of sludge treatment agents, and discloses a sludge treatment agent and a preparation method thereof. The sludge treatment agent comprises the following raw materials: an inorganic polymer flocculant, a calcium salt, a carbonate, a silicate, an ion adsorption additive, a modified flocculant, and magnetic powder; wherein the ion adsorption additive is prepared by modifying the surface of bentonite and introducing a tetranitrogen heterocyclic structure; the modified flocculant is prepared by copolymerizing acrylamide and maleic anhydride and then introducing a quaternary ammonium group; and by preparing the ion adsorption additive and the modified flocculant to participate in the preparation process of the sludge treatment agent, the prepared sludge treatment agent has an excellent flocculation effect, improves the sedimentation rate of the sludge, can also reduce the heavy metal content in the sludge filtrate, reduce the toxicity of the filtrate, and concentrate the heavy metal ions in the filter cake, thereby providing feasibility for the recovery and reuse of the heavy metal ions.

The invention relates to an oil-soluble flocculant as well as a preparation method and application thereof. Comprising the following raw materials in parts by mass: 25-50 parts of long-chain alkenyl esters, 30-50 parts of alkenyl sulfonic acid, 20-50 parts of alkenyl cation salts, 25-50 parts of long-chain amide, 0.3-3 parts of an initiator, 1.5-7.5 parts of a surfactant, 0.3-3 parts of a chain regulator, 50-100 parts of an oil phase matrix and 100 parts of a water phase matrix. The invention provides the preparation method of the oil-soluble flocculating agent, the oil-soluble flocculating agent has good compatibility with oil-based / synthetic-based drilling fluid, positive ions in the flocculating agent can adsorb negatively charged rock debris particles, the flocculating agent has a selective flocculation effect, and the rheological property and the filtration property of the oil-based / synthetic-based drilling fluid are not obviously influenced; the waste amount of oil-based / synthetic-based drilling fluid can be reduced, the cost of the drilling fluid is reduced, and the drilling fluid has an excellent application prospect.

The invention discloses a purification system and purification method of stannous octoate, including a sedimentation separation tank and a washing tank, wherein the sedimentation separation tank is tilted and rotated to be installed on the top of a support base, one end of the sedimentation separation tank is provided with a feed port, the other end of the sedimentation separation tank is rotatably connected with a discharge port, the horizontal height of one side of the discharge port is less than the horizontal height of one side of the feed port, and a filter is fixed on the discharge port, a filtrate discharge port is connected to the filter, a flushing liquid discharge port is also connected to the discharge port, the discharge port and the filter are fixed to the support base through a first support frame, a filter element is installed inside the filter, and a filter element replacement port is provided. The present invention can remove tetravalent tin compound impurities through the sedimentation separation tank, and then remove stannous chloride impurities after multiple water washings, thereby completing purification, and can effectively improve the purity of the product and improve the quality of the product.