23results about How to "Improve flocculation efficiency" patented technology

The invention discloses a method and device for reducing tail water plume of a deep-sea mining vehicle. The device comprises a crushing device, a liquid storage device, a centrifugal action device, an intelligent control device, a magnetic seed laying and recycling device and a super-magnetic separation device. The crushing device comprises a crusher, the liquid storage device comprises a liquid storage tank and a control valve, the liquid storage tank comprises a coagulant aid liquid storage tank and a coagulant liquid storage tank, the centrifugal action device comprises a centrifugal machine, a magnet, a liquid conveying pipe and a magnetic seed dispenser, and the centrifugal action device screens particles with different diameters in a water body to different layers through centrifugation. Under the action of the magnet, the magnetic field intensity in each layer is different, and the magnetic seeds with different particle sizes are combined with particle impurities in seawater under the action of a coagulant aid coagulant, so that a better flocculation effect is realized. Polyferric sulfate is adopted as a coagulant and can be used for treating heavy metal ions in water, polyacrylamide is adopted as a coagulant aid, suspended solids and colloidal particles in water can be effectively captured and adsorbed, and sedimentation and separation of the suspended solids and colloidal particles are promoted.

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.

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 water supply plant sedimentation tank floc recycling system and method and a composite carrier material, and belongs to the technical field of water supply plant water treatment. The system comprises a monitoring regulation and control module which is used for collecting floc state data of a sedimentation tank in real time and outputting a control signal according to the floc state data; the composite carrier material supply module is used for adding a composite carrier material into the floc activation reactor according to the control signal; the floc backflow mechanism is used for adjusting recycled floc entering the floc activation reactor according to the control signal; and the floc activation reactor is used for receiving the composite carrier material and the recycled floc and carrying out three-stage activation treatment under the action of an internal flow field to obtain regenerated floc. Solid waste recycling is achieved through floc recycling, and the sludge discharge amount is reduced; and the monitoring regulation and control module combines fuzzy PID with an LSTM model, accurately matches processing requirements, and improves operation stability. According to the invention, the technical problem of floc recycling and reusing is solved.

This invention relates to a high-efficiency flocculation device for wastewater treatment, characterized in that: multiple guide ports are evenly distributed around the upper outer edge of the inner cylinder; a filter screen plate is coaxially fixedly connected to the bottom of the inner cylinder; a stirring device is coaxially arranged in the inner cylinder; multiple vertically evenly distributed rising spirals are coaxially fixedly connected to the stirring device; a mounting plate is fixedly connected to the bottom of the stirring device extending beyond the filter screen plate; two sets of symmetrically arranged automatic compensation devices are fixedly connected to the mounting plate; a scraper that abuts against the lower end of the filter screen plate is fixedly connected to the upper end of each set of automatic compensation devices; transparent tempered glass is embedded in the side wall of the flocculation cylinder; a lifting device corresponding to the tempered glass is arranged inside the flocculation cylinder; a drain head is fixedly connected to the lifting device; the outlet end of the drain head is fixedly connected to the inlet end of a drainage component; the outlet end of the drainage component extends out of the flocculation cylinder; and a sewage pipe is fixedly connected to the bottom of the flocculation cylinder.

The invention provides a zero discharge method of electroplating alkaline wastewater, which comprises the following steps: preliminarily filtering the alkaline wastewater generated by electroplating by using a screen, and adding an acidic solution to adjust the pH value of the wastewater to 7-8; adding a flocculating agent which accounts for 3-5% of the mass of the wastewater, then stirring at the stirring speed of 150-250r / min for 20-30 minutes, and then introducing the wastewater into a sedimentation tank for sedimentation for 2-2.4 hours; then filtering through an ultrafiltration device and a nanofiltration device; feeding the filtered wastewater into an MVR (mechanical vapor recompression) evaporator for evaporative crystallization treatment, discharging crystalline salt in a crystallizer through a scraper conveyor, and condensing at the temperature of 40-50 DEG C to realize zero discharge of the wastewater. According to the zero discharge method for the electroplating alkaline wastewater, harmful substances in the electroplating alkaline wastewater are efficiently separated and converted, and finally zero discharge of the wastewater is achieved.

This invention discloses a composite flocculant for wastewater from tea filter paper production and its preparation method. The composite flocculant comprises a prepolymerized titanium salt coagulant and a boric acid-functionalized lignin-based polymer. The prepolymerized titanium salt coagulant is prepared by controlling the alkalinity, and the boric acid-functionalized lignin-based polymer uses lignin as a backbone, grafted with cationic monomers and C... 14 -C 18 This composite flocculant comprises long-chain alkyl hydrophobic monomers and monomers containing arylboronic acid groups. Through a unique coupling mechanism, it utilizes the coagulation and charge neutralization effects of titanium salts and the adsorption bridging effects of lignin polymers, combined with the reversible cross-linking of boric acid groups and vicinal diols in polysaccharides, to achieve highly efficient and synergistic removal of fine fibers, colloidal particles, and dissolved organic matter from white water used in tea filter paper production. At dosages of 15-45 mg / L, it exhibits excellent performance in turbidity removal, COD removal, and suspended solids removal, making it particularly suitable for treating wastewater from tea filter paper production.

This invention relates to the field of wastewater treatment technology and discloses a high-efficiency filtration treatment device for industrial wastewater, including a lower filter tank. An upper filter tank is connected to the upper surface of the lower filter tank via a flange. A limiting cylinder is fixedly connected to the upper surface of the upper filter tank. A mounting base is sleeved on the inner surface of the limiting cylinder. A U-shaped electric heating tube is fixedly connected to the lower surface of the mounting base. In this invention, the U-shaped electric heating tube can heat the wastewater to promote pollutant decomposition and separate oily substances. During the heating process, a temperature monitoring gauge can monitor the internal temperature of the lower and upper filter tanks in real time, facilitating precise temperature control and gradient heating to improve pollutant decomposition efficiency. A stirring paddle agitates the wastewater, promoting its flowability and improving the uniformity of heating, thus enhancing the pollutant decomposition effect.

The utility model relates to the technical field of mine water treatment, and discloses a mine water treatment device which comprises an adjusting tank, a dosing tank, an integrated water purification device, a valveless filter and a water tank, the outer side of the adjusting tank is fixedly connected with a lifting pump, and the output end of the lifting pump is connected with a stirring barrel through a pipeline; the dosing tank is mounted between the adjusting tank and the stirring barrel, the exterior of the stirring barrel is connected with the exterior of the integrated water purifying device through a pipeline, the exterior of the integrated water purifying device is connected with the exterior of the valveless filter through a pipeline, and the exterior of the valveless filter is connected with the exterior of the water tank through a pipeline. According to the utility model, the motor, the stirring rod and other structures are matched for use, so that the stirring rod can revolve and rotate to stir a water body, thereby being beneficial to ensuring that a flocculating agent is in full contact with suspended solids in the water body and promoting the flocculation reaction.

The present invention discloses a screw extrusion type water treatment integrated machine, which belongs to the technical field of sewage treatment, and comprises a sewage flocculation treatment tank body, the top of the sewage flocculation treatment tank body is connected to a sludge recovery tank through a mounting bracket, a sludge squeezing water plate is arranged above the sludge recovery tank, and an eccentric extrusion assembly is arranged in the extrusion drying tank. In the process of sewage flocculation treatment, the present invention can make the arc stirring rotate in a clockwise direction through the reverse rotation of the conveying motor, and the rotating arc stirring blade can quickly stir the sewage in the sewage flocculation treatment tank body, so that it can quickly flocculate into agglomerates, thereby improving the flocculation efficiency, and through the forward rotation of the conveying motor, the conveying extrusion screw member connected thereto is rotated to convey the flocculated sludge upward, and when rotating counterclockwise, the arc stirring blade will concentrate the flocculated sludge at the collection opening due to the arc design, and enter the gathering collection cylinder, so as to realize the rapid separation of sludge and sewage.

The invention discloses a pretreatment device and a pretreatment method for silver powder wastewater, and relates to the field of treatment of silver powder wastewater. The silver powder wastewater pretreatment device comprises a treatment pond, an electrode assembly and a cleaning assembly, the electrode assembly comprises a mounting shell, an electrode cavity formed in the mounting shell and a plurality of electrode plates contained in the electrode cavity, and the electrode cavity is communicated with the treatment pond; the cleaning assembly comprises a cleaning cavity used for introducing and storing liquid, a cleaning pump arranged in the cleaning cavity and a cleaning pipe with one end communicated with the cleaning pump, and the other end of the cleaning pipe is communicated with the electrode cavity. According to the pretreatment device, the liquid stored in the cleaning cavity on the pretreatment device can be flushed into the electrode cavity under the cooperation of the cleaning pump and the cleaning pipe, the flushed liquid can flush hydroxides in the electrode cavity and hydroxides adhered to the electrode plate outwards, and the hydroxides can be prevented from remaining on the electrode plate; and the use efficiency of the electrode assembly is improved.

The utility model relates to the technical field of water treatment, in particular to an electric flocculation reaction unit and an electric flocculation reaction device, the electric flocculation reaction unit comprises a cathode sleeve and an anode inner core, the lower end of the cathode sleeve is provided with a liquid inlet, and the upper end of the cathode sleeve is provided with a liquid outlet; the anode inner core is arranged in the cathode sleeve, a channel communicated with the liquid inlet and the liquid outlet is formed between the anode inner core and the cathode sleeve, and the anode inner core comprises a body and a plurality of fins distributed along the circumferential direction of the body. The application scene is more flexible, the anode inner core adopts a fin structure form, the surface is large, and larger current can be loaded in unit time, so that the anode inner core releases more anode metal ions in water in unit time, the anode metal ions are used as a coagulant, and the coagulation or flocculation efficiency is higher.

The application relates to a titanium ore powder sewage sedimentation tank, belonging to the technical field of sedimentation equipment, which comprises a tank body, a cross beam arranged above the tank body, a moving block in sliding connection with the cross beam, a driving motor installed on the moving block, a coaxial stirring rod arranged on an output shaft of the driving motor, and a stirring piece arranged on the stirring rod. The application has the effect of improving the sedimentation efficiency of suspended matters in the sedimentation tank.

The invention is applicable to the technical field of wastewater treatment, and provides a sodium chloride-potassium chloride preparation and purification device for industrial wastewater. The device comprises a reaction component, a filtering component is slidably matched inside the reaction component, the reaction component comprises a processing component, a first moving component slidably matched on the processing component, a second moving component slidably matched on the processing component, a top sealing component threadedly connected to the processing component, a medicine discharging component rotatably matched on the processing component, and a crushing component slidably matched on the processing component. The device can adjust the medicine discharging amount of the medicine to a certain extent, so as to prevent the medicine from being wasted in a large amount in one time during use, and can also prevent the medicine from agglomerating when placed for a long time, so as to avoid affecting the later medicine discharging process, and prevent the impurities in the industrial wastewater from affecting the later purification effect, so as to increase the purification quality of the sodium chloride-potassium chloride.

This utility model discloses a flocculant filtration device for pharmaceutical wastewater recovery. The key technical features include a secondary filtration tank; the secondary filtration tank is funnel-shaped and has a cavity; limiting components are installed on both inner walls of the secondary filtration tank, and a secondary filtration mechanism is assembled between the two sets of limiting components; supports are installed at the four corners of the secondary filtration tank, and a primary filtration tank is assembled on the upper surface of the four supports. By adding a secondary filtration stage to the primary filtration tank, the overall wastewater treatment efficiency of this application is improved. Primary clarification mainly relies on flocculants and gravity sedimentation, while secondary filtration further removes fine particles through physical interception, reducing pollutant residue. This progressive treatment method not only improves the removal rate but also more effectively manages and controls the destination of different pollutants, enhancing the overall stability and reliability of the filtration process.

The invention discloses a steel dust filtrate purifier and a preparation method and application thereof, and relates to the technical field of steel dust filtrate treatment. The steel dust filtrate purifier of the invention comprises an agent A and an agent B; the agent A comprises the following chemical raw materials by mass: 10 parts of sodium bicarbonate and 5 to 30 parts of sodium carbonate; the agent B comprises the following chemical raw materials by mass: 10 parts of slow-release oxidant, 100 to 300 parts of flocculant, and 1.5 to 2.5 parts of anti-scaling dispersant; the slow-release oxidant comprises the following preparation raw materials by mass: 10 parts of potassium ferrate and 0.5 to 3 parts of polyvinyl acetate; the flocculant is a ternary polymer of dimethyldiallylammonium chloride-acrylamide-methacryloyloxyethyltrimethylammonium chloride. The steel dust filtrate purifier has high metal ion precipitation efficiency and fast speed.

The utility model relates to the field of polluted water treatment, in particular to a coagulative precipitation tank for treating polluted water, which comprises a coagulative precipitation tank body, a fixed placing plate is mounted in the middle of the top end of the coagulative precipitation tank body, a driving motor is mounted at the top end of the fixed placing plate, and the output end of the driving motor is vertically and downwards connected with a stirring shaft. The stirring shaft extends into the coagulative precipitation tank body, and a plurality of first stirring mechanisms are equidistantly arranged on the outer wall of the stirring shaft. According to the sewage treatment device disclosed by the utility model, the driving motor drives the stirring shaft to rotate, and in the rotating process, the coagulant is further collided with the pollutants in the sewage through the placement frame body while the coagulant is collided with the pollutants in the sewage through the fixing rod, so that the pollutants in the water are adsorbed, gathered and settled more quickly; the flocculation efficiency of the sewage is improved, and flocculates attached to the inner wall of the coagulation tank are scraped off and cleaned through the scraping plate.

The invention discloses an aquaculture sewage treatment process. The aquaculture sewage treatment process specifically comprises the following steps: S1, collecting and filtering treatment; s2, air floatation treatment: introducing the sewage separated in the step S1 into a first regulating tank, regulating the water quantity and water quality through the first regulating tank, and then introducing the sewage into air floatation equipment for air floatation treatment to remove suspended matter impurities and odor of the sewage, S3, primary aerobic treatment, S4, anaerobic treatment, S5, secondary aerobic treatment, S6, decoloration and disinfection treatment, and S5, secondary aerobic treatment. The invention relates to the technical field of aquaculture sewage treatment. According to the aquaculture sewage treatment process, sewage can be treated in batches, and more efficient treatment is carried out through coordinated work of anaerobic treatment and aerobic treatment, so that the treatment efficiency is greatly improved, and the purpose of improving the sewage treatment efficiency through cooperative intermittent use of anaerobic treatment and aerobic treatment is well achieved; the condition that the aerobic treatment equipment is in an idle state for a long time is avoided.

The invention discloses a flocculating agent for machine cleaning wastewater of a pesticide missible oil preparation and application of the flocculating agent. The flocculating agent is prepared from the following components in parts by weight: 50-60 parts of an inorganic flocculating agent, 35-45 parts of an organic flocculating agent, 8-12 parts of a demulsification aid and 4-6 parts of a pH regulator. The flocculant disclosed by the invention is good in demulsification effect, high in COD removal rate, high in treatment efficiency, strong in floc stability, economical in cost and wide in wastewater adaptability, and solves the problems of poor demulsification effect, low COD removal rate, large flocculant dosage and the like when an existing flocculant is used for treating pesticide missible oil preparation cleaning wastewater.

The application discloses a drilling mud waste destabilization and separation device using an electrocoagulation method and relates to the technical field of dredging machinery. The device comprises a mounting operation frame and a destabilization and separation main body. The main body comprises a driving assembly, a flocculation and filtration assembly, a coagulation and flocculation scraping assembly and a power switching control assembly. An electrochemical reaction is generated by electrifying the electrocoagulation electrode column, so that suspended particles and colloids in the waste are destabilized into coagulation and flocculation substances. The driving assembly provides power, the power switching control assembly automatically switches the flocculation and scraping processes and synchronously controls the on-off of the electrode column. The coagulation and flocculation scraping assembly completely removes the coagulation and flocculation substances on the electrode column through reciprocating motion, and the centrifugal force generated by the rotation of the electrode column can shake off the surface bubbles. The filtration mechanism prevents blockage through sliding filtration and synchronous scraping. The device can efficiently solve the problems of coagulation and flocculation substance adhesion and bubble obstruction and improve the treatment efficiency and stability.

The utility model discloses continuous dosing equipment capable of automatically quantifying, which belongs to the technical field of dosing equipment and comprises an electronic scale, the top of the electronic scale is distributed in a rectangular shape and is fixedly connected with four stand columns, a medicine bin is fixedly connected above the stand columns, a spiral blanking rod is rotatably connected in the medicine bin, and the spiral blanking rod is fixedly connected with the top of the electronic scale. The top of the medicine bin is fixedly connected with a rotating motor used for driving the spiral discharging rod to rotate, a feeding port is formed in the top of the medicine bin, the bottom of the medicine bin fixedly communicates with a discharging connector, the lower end of the discharging connector is transversely and fixedly connected with a blowing pipe, and the top of the electronic scale is fixedly connected with a fan. According to the chemical feeding device, chemical feeding has continuity and stability, the chemical feeding amount and the chemical feeding speed are controllable, high automation is achieved, the chemical feeding efficiency can be improved, and the labor cost of chemical feeding is reduced.

The utility model relates to the technical field of water treatment equipment provides an assembly type flocculator, including two water distribution units, grid unit and hopper unit, two water distribution units are arranged in layers from top to bottom, and the water distribution unit is formed with overflow channel to supply water body flow; The grid unit is clamped between the two water distribution units and is used for disturbing the water flow to promote flocculation reaction, the grid unit is equipped with regular arrangement overflow hole, and a plurality of grid structures for adjusting water flow turbulence intensity are arranged in it; The hopper unit is arranged below the lower water distribution unit to collect and discharge the floc sediment produced in the flocculation process, wherein the water distribution unit, the grid unit and the hopper unit are all independent prefabricated modules, and the modules are detachably connected through the connecting structure to constitute the flocculator. The assembly type flocculator of the utility model is convenient to install on site, thereby greatly shortening the construction or reconstruction period of water plant, and meeting the demand of modern water treatment project on efficient construction.

The utility model discloses a protein flocculation tank for pea protein processing, which belongs to the technical field of flocculation tanks and is characterized in that a guide rack is mounted on a guide pipe, a gear is mounted on the guide rack in a meshed manner, a filter plate is mounted at the other end of the guide pipe, a flocculation tank main body is covered with a sealing plate, the guide pipe is mounted in the middle of the sealing plate in a telescopic manner, and the guide rack is mounted at the upper end of the guide pipe; the outer end of the material guiding rack is meshed with a gear, the gear pushes a guide pipe to be connected with the material guiding rack in a lifting mode, a liquid guiding hole is formed between the guide pipe and the material guiding rack in a penetrating mode, a motor drives a rotating rod and the gear to rotate, and the guide pipe, the gear and a filter plate are driven to ascend and descend through forward and reverse rotation of the gear; according to the invention, the guide pipe is arranged on the machine body, the contact between the flocculating agent and the protein is increased in the rising process, the flocculation efficiency and effect are improved, the filter plate is arranged at the outer end of the guide pipe, the flocculating agent lead-in holes are distributed in the filter plate, and the liquid guide hole is formed in the middle of the filter plate, so that the flocculated protein is filtered and pressed, and the problem that the flocculated protein and the flocculating agent are disordered is solved.