194 results about "Slurry viscosity" patented technology

The invention discloses a hydraulic control system, which belongs to the field of hydraulic control, and comprises a power execution module, a control regulation module and a sensing feedback module, in the slurry manufacturing stage, data are collected through a sensor, the abnormal condition of the slurry temperature is detected to judge whether the slurry temperature is adjusted or not, and based on the real-time slurry viscosity, the rotating speed of a stirring shaft is adjusted in a self-adaptive mode by adjusting the hydraulic flow of a hydraulic motor of a stirring driver; acquiring driver data to monitor a control instruction implementation result, performing abnormality evaluation analysis on a driver through threshold judgment and abnormality score calculation, and generating an updated driver control signal after a driver instruction regeneration signal is received; monitoring abnormal conditions of data acquired by various deployed sensors, monitoring abnormal data of the sensors, and monitoring duration of the abnormal data so as to carry out abnormal early warning and generate abnormal early warning information; the problem that the slurry temperature of die-casting equipment under hydraulic control is difficult to adaptively adjust and disturb is solved.

The invention discloses a large-capacity ground storage tank for linkage control of slurry viscosity and stirring speed, and belongs to the field of chemical machinery and automatic control. The storage tank comprises a stirring mechanism, a canning system, an electric control system, a pipeline system, a detection feedback system and a supporting structure, the stirring mechanism is vertically installed in the canning system, the pipeline system is communicated with the interior of the canning system, the canning system is installed on the supporting structure, and the electric control system controls the stirring mechanism, the detection feedback system and the pipeline system in a linkage mode. A multi-sensor fusion feedback mechanism is adopted, closed-loop control over viscosity-liquid level height-rotating speed parameters is achieved, slurry rheological characteristic data are collected in real time, the rotating speed of the motor is automatically adjusted after dynamic correlation model processing, solute precipitation can be effectively prevented, the component stability can be maintained, the control precision and slurry consistency can be improved, and the stability of the slurry can be improved. And particularly, frequent manual intervention is not needed when multi-batch and multi-formula slurry is treated, the batch conversion efficiency is remarkably improved, and the energy consumption is reduced.

The invention discloses a self-healing concrete intelligent preparation method and system based on a dynamic optimization algorithm. The method comprises the following steps: S1, feeding: feeding materials to a premixing module by a raw material bin and a repairing agent carrier storage bin; s2, premixing: monitoring the water content of the aggregate fed into the raw material bin in real time by a premixing module, and dynamically adjusting the rotating speed of the premixing module through the water content; s3, gradient stirring: after premixing, feeding the materials into a gradient stirring module, and sequentially stirring; s31, firstly entering a low-speed paddle for stirring, monitoring the stirring resistance moment and the slurry viscosity distribution in real time, and dynamically adjusting the rotating speed of the paddle according to the torque-viscosity relationship; s32, performing ultrasonic homogenization on the materials subjected to low-speed stirring, monitoring the dispersity of each substance in low-speed stirring in real time through an identification camera, calculating the concentration gradient, monitoring the particle size distribution of a carrier at a discharge port of an ultrasonic homogenizer to obtain the particle size of a target aggregate, and dynamically adjusting the ultrasonic frequency according to the particle size of the target aggregate to obtain the target aggregate. And dynamically adjusting ultrasonic power and action time according to the concentration gradient.

The invention discloses an intelligent grouting calculation method and system based on coupling of a neural network and numerical solution. The method comprises the steps that a fluid calculation control equation needed by working condition calculation is determined; according to the method, boundary conditions, grouting speed, grouting pressure, a flowing water initial flow field, a gravity field, a slurry diffusion form, a temperature field, slurry viscosity, constant-volume specific heat capacity, heat conductivity and density are used as input data, and numerical simulation of an initial stage is carried out on the input data through a numerical simulation method; the parameters of the last time step obtained through numerical simulation in the initial stage serve as initial data and are input into the trained neural network model, and prediction results of the slurry speed, the grouting pressure, the phase fraction and the viscosity data are obtained; according to the method, numerical simulation of an initial stage is carried out on input data through a physical solver, physical fields such as pressure, speed and temperature and local details and global spatio-temporal evolution trends among the fields are captured through a neural network model, and efficient grouting numerical simulation is achieved.

The invention discloses a lithium ion battery mixed slurry viscosity detection method based on lithium iron phosphate. The method comprises the steps of slurry pretreatment and parameter initialization, multi-modal data acquisition, dynamic viscosity compensation model construction, rheological property prediction, abnormality diagnosis and online feedback control. The temperature, the shearing rate, the solid content and the rheological curve of the slurry are acquired in real time through a multi-sensor fusion technology, a dynamic viscosity compensation model is constructed in combination with the characteristics of the lithium iron phosphate material, and a rheological prediction algorithm based on machine learning is introduced, so that high-precision and nondestructive online detection is realized. The influence of particle size distribution and temperature drift is eliminated through material characteristic modeling, and the measurement precision is further improved; and an ultrasonic wave and near infrared combined detection mode is adopted, so that the slurry structure is prevented from being damaged by a traditional sampling method, viscosity abnormity self-diagnosis and process parameter real-time feedback are realized, and the rejection rate is reduced.

The invention relates to the technical field of supercapacitors, in particular to an alkali-activated solid-waste-based supercapacitor and a preparation method thereof.The preparation method comprises the steps that industrial solid waste and fiber forestry and agricultural residues are subjected to co-pyrolysis to form organic-inorganic composite solid waste gelling powder, an alkali activator and a functional additive are added to prepare alkali-activated slurry, and the alkali-activated slurry is prepared; pouring, molding and curing to obtain an alkali-activated solid waste-based electrolyte substrate; the method comprises the following steps: performing high-temperature pyrolysis, activation and the like on granular agricultural and forestry wastes to prepare a carbon-based composite conductive material, and preparing a biochar electrode plate; the preparation method comprises the following steps: taking PVDF as a raw material, bonding and curing the PVDF and the raw material, immersing the PVDF and the raw material into a KOH solution containing a PVA thickener, inserting a glass fiber diaphragm, and regulating and controlling the use amount of PVDF and other binders and a solvent system to optimize slurry viscosity and film forming uniformity so as to obtain an electrode film with mechanical flexibility and interface adhesive force; the composite electrode forms a stable composite interface in the process of being in contact with an alkali-activated electrolyte interface, and the phenomena of interface aging and capacitance attenuation caused by mismatching between the electrode and the electrolyte in a traditional cement-based system are effectively avoided.

The invention discloses a fractured rock mass permeation-splitting grouting simulation method and system, and relates to the technical field of grouting simulation methods.The simulation method comprises the steps that a fractured rock mass model is built, and model parameters are set; solving the phase fraction equation to obtain the two-phase fraction of the slurry interface; solving the transmission time tracking equation, and combining with the slurry time-varying curve to obtain a slurry viscosity field; whether the slurry pressure reaches the set splitting pressure or not is judged, and if not, solving is conducted according to the permeation model; if the splitting pressure is reached, the splitting pressure is solved; continuously updating the slurry velocity field and the slurry pressure field until the grouting termination time is reached, and completing the permeation-splitting grouting simulation of the fractured rock mass; according to the method, the slurry permeation process is described on the basis of a Darcy-Blackman method, the rock mass splitting grouting process is described by adopting a viscoplastic constitutive fusion fluid volume method, and therefore the rock mass splitting and slurry flowing process in the fractured rock mass high-pressure grouting process is described.

The invention relates to the technical field of grouting simulation tests, and particularly discloses a pore medium grouting virtual-real cooperative test system and method considering the percolation effect, the system comprises a visual stratum simulation module, a temperature control module, a grouting module and a main control module, the main control module comprises a verification and optimization unit, and the verification and optimization unit comprises a verification and optimization unit. The equation building module is used for building a momentum equation, a continuity equation, a temperature continuity equation, a chemical reaction equation, a temperature-infiltration-time comprehensive viscosity equation and a slurry-water two-phase fraction equation according to data of a test system; numerical simulation results of the grouting speed, the grouting pressure, the slurry viscosity, the slurry temperature, the slurry concentration and the slurry diffusion form in the whole grouting process are obtained through coupling solution; and performing comparison verification on a numerical simulation result and a test result, and optimizing parameters of the pore stratum three-dimensional model. Extreme formation temperatures such as high temperature and low temperature can be simulated, so that the change and influence of a pore medium permeation mechanism under the extreme temperature condition can be researched.

The invention relates to the technical field of grouting simulation, in particular to an efficient simulation method and system for grouting at different temperatures based on deep learning, and the method comprises the steps: constructing a relational expression between a rock-soil mass medium and the change of a grouting material under different temperature conditions; the rock-soil mass medium and grouting material change relational expressions under different temperature conditions comprise a relational expression of temperature and porosity, a relational expression of temperature and stress strain, and a relational expression of temperature and slurry viscosity; on the basis of actual stratum data of the grouting area, to-be-determined parameters in all the relational expressions are obtained through fitting; constructing an improved recurrent neural network; training the improved recurrent neural network to obtain a trained improved recurrent neural network; and inputting the temperature of the to-be-predicted grouting area into the trained improved recurrent neural network to obtain the slurry flow velocity and the slurry permeation and diffusion distance of the to-be-predicted grouting area. And efficient simulation of the whole grouting process at different temperatures is realized.

The invention provides silicon-carbon negative electrode slurry as well as a preparation method and application thereof. The preparation method comprises the following steps: (1) carrying out first mixing on sodium carboxymethyl cellulose powder and a solvent to obtain a sodium carboxymethyl cellulose solution; (2) carrying out second mixing on a negative electrode active material and a conductive agent to obtain active substance powder; (3) adding a part of the sodium carboxymethyl cellulose solution, a first part of a polyacrylic acid binder and a solvent into the active substance powder, and carrying out third mixing to obtain intermediate slurry; (4) adding a second part of polyacrylic acid binder into the intermediate slurry for fourth mixing, and then adding the rest sodium carboxymethyl cellulose solution, a third part of polyacrylic acid binder and a solvent for fifth mixing; and the negative electrode active material comprises CVD silicon carbon. According to the method provided by the invention, the viscosity of the slurry and the requirement on stirring equipment are effectively reduced, the volume expansion of CVD silicon carbon in the use process is inhibited, and the preparation method is simple and suitable for large-scale application.

The invention relates to the field of geotechnical engineering construction, in particular to a deep and large open caisson resistance reducing and sinking assisting system and a cooperative control method, and the system comprises a stratum information base which stores stratum information corresponding to each well wall subarea; the attitude monitoring module is used for acquiring control point coordinates, control point elevation, deflection amount, well bottom elevation, water level in the well, surrounding stratum, sinking speed and blade foot resistance of the open caisson in real time; the thixotropic slurry drag reduction module can independently control the slurry viscosity of each well wall subarea; the high-pressure jet flow sinking assisting module can independently control the jet pressure of each well wall subarea; and the counterweight adjusting module can adjust the counterweight loading amount. According to the method, self-weight sinking, thixotropic slurry drag reduction, high-pressure jet flow sinking assistance and counterweight sinking assistance are covered, cooperative control over all drag reduction sinking assistance systems can be achieved, the construction efficiency of the deep and large open caisson penetrating through the hard soil layer can be greatly improved, the problems that the open caisson construction geological adaptability is poor, multi-system cooperation is difficult, and the accident rate is high are solved, and the construction quality is improved.

The invention provides a foundation pit water gushing iron ore grading thixotropic blockage reduction method which comprises the steps that iron ore tailings are crushed and screened into multi-stage particle size particles, and a customized mold is subjected to 3D printing based on foundation pit scanning data; paving particles in a mold layer by layer, doping iron powder, and cementing and curing cement paste to form a prefabricated body; the prefabricated body is installed to a water gushing area, the slurry viscosity is increased through a grading contact network, a weak gravitational flow state is triggered to be transiently changed to an anti-scouring state, and water flow speed reduction is achieved; alternating field induction micro-vibration is synchronously started during lateral grouting, and grout permeation and bubble discharge are driven; after solidification, the guide core body is pulled away, and remaining pore channels are self-compacted by a grading system to form an anti-seepage structure. The method has the advantages that the anti-scouring performance is enhanced; particle-slurry-foundation pit curved surface triple self-adaptive combination is carried out; the engineering cost is reduced.

The invention provides low-temperature synthesis equipment for reducing slurry viscosity and a synthesis method thereof, and relates to the field of ceramic slurry synthesis, the low-temperature synthesis equipment comprises a synthesis assembly, the synthesis assembly comprises a driving mechanism and a dispersion mechanism, the effective use outer diameter of the dispersion mechanism can be freely regulated and controlled, so that the dispersion mechanism can adapt to dispersion cylinders with different inner diameters; the working position can be flexibly adjusted without replacing the dispersion disc, the gap between the dispersion disc and the barrel wall is reduced to eliminate edge stirring dead angles, and meanwhile, the two dispersion mechanisms rotate in opposite directions, so that the dispersion mechanisms are matched with different outer diameters, a complex three-dimensional flow field can be formed in the barrel, the slurry dispersion uniformity and the viscosity reduction efficiency are remarkably improved, and the dispersion efficiency is improved. The problems that a dispersing disc of a dispersing machine used for synthesizing ceramic slurry is of a fixed structure and can only adapt to a dispersing barrel with a certain specific inner diameter, the dispersing machine is mostly of a single-disc structure, dead angles are easily formed at the upper part and the bottom of a barrel body, and the synthesis effect is poor are solved.

The invention relates to the technical field of slurry pumps, and particularly discloses a slurry pump experimental device, which comprises a pump body experimental unit, a slurry pump experimental unit and a slurry pump experimental unit, the slurry supply unit is located on the input side of the slurry pump and used for conveying slurry to the slurry pump; the slurry backflow unit is located on the output side of the slurry pump and used for recycling the slurry pumped out by the slurry pump and enabling the slurry to flow back to the slurry supply unit; solid particles are intercepted through the separation disc, the height of the separation disc is adjusted according to preset solid content parameters, and the states of slurry with different solid particle contents can be accurately simulated; the viscosity of the slurry can be quickly adjusted by utilizing the heating tank and the stirring piece in combination with preset viscosity parameters, so that the configuration of the slurry with different viscosities is realized; by adjusting the state of the slurry pumping piece, the slurry solid content simulation state and the slurry viscosity simulation state can be flexibly switched, so that the test requirements of the slurry pump under various simulation working conditions are met.

The invention discloses a battery positive electrode with low impedance and high liquid absorption performance and a preparation method thereof, and the preparation method comprises the following steps: slurry pretreatment is matched with coating parameters, the viscosity of the slurry is adjusted to 4000-6000 mPa.s, and the coating speed and the viscosity meet the relation V = K / eta; preheating and homogenizing, wherein infrared radiation heating and hot air circulation are adopted; step-by-step gradient drying, including high-temperature rapid drying, medium-temperature drying and low-temperature stable drying; annealing treatment; and plasma surface modification. Compared with the prior art, by scientifically matching coating parameters, accurately controlling the drying process and optimizing the surface characteristics, the prepared positive electrode has the advantages that the crack length density is smaller than or equal to 0.15%, the interface impedance is smaller than or equal to 10 omega.cm, the electrolyte contact angle is smaller than or equal to 15 degrees, and the positive electrode has the advantages of low impedance and high liquid absorption performance, so that the cycle life of the battery is effectively prolonged.

The invention relates to the technical field of chemical solution treatment, in particular to a device for reducing the viscosity of a slurry solution and a using method thereof.The device for reducing the viscosity of the slurry solution comprises a bottom bearing table, a closed stirring tank and a stirring detection set used for reducing the viscosity of the slurry solution. Slurry is stirred through the stirring assembly in the stirring detection group, a physical treatment mode is adopted, additional chemical substances do not need to be added, interference of additional components on slurry components is avoided, and the use and maintenance cost of chemical additives is reduced; the slurry in treatment is periodically detected through a detection assembly in the stirring detection group, the slurry reaching the expected viscosity is found in time, the overall production efficiency is improved while the production cost is reduced, dual detection is performed on the neutralized slurry through mutual cooperation of the detection assembly and the central control system, and the production efficiency is improved. And the viscosity of the discharged slurry is guaranteed.

The invention discloses a multifunctional polyamide type solid propellant slurry viscosity reduction auxiliary agent and a preparation method, and belongs to the field of viscosity reduction auxiliary agents, dimer acid and a polyamine compound are subjected to a condensation reaction at 135-150 DEG C, and a polyamide prepolymer is generated in obtained reaction liquid; and cooling the reaction liquid, adding a solvent, uniformly mixing, adding a vinyl monomer at 45-60 DEG C, reacting, and finally cooling to room temperature to obtain the multifunctional polyamide type solid propellant slurry viscosity-reducing auxiliary agent. According to the present invention, the use amounts of the dimer acid, the polyamine compound and the vinyl monomer are respectively 47-67%, 18-44% and 9-25% by mass, such that the fluidity and the viscosity in the propellant slurry can be effectively improved, and the mechanical strength of the cured product can be improved;

The invention relates to the technical field of trenchless directional river drilling, and provides high-viscosity slurry and a preparation method and application thereof.The high-viscosity slurry is prepared from, by mass, 8%-14% of bentonite, 0.2%-0.5% of carboxymethylcellulose, 0.5%-2% of anhydrous sodium carbonate and 83.5%-91.3% of water; the preparation method comprises the following steps: mixing water and bentonite to obtain bentonite slurry; mixing the bentonite slurry with carboxymethyl cellulose to obtain a mixed solution; and mixing the mixed solution with anhydrous sodium carbonate to obtain the slurry. By setting specific raw materials and proportions, after the obtained high-viscosity slurry is applied to a long-distance directional pipe drawing technology in an alkaline water environment, the construction problems of low slurry viscosity, easy hole collapse and the like in a trenchless directional drilling process can be solved; the viscosity of the slurry provided by the invention can reach up to 80.44 Pa.s, and the filter loss is only 22.6 mL / 30 min.

The invention discloses a basalt fiber modified cement-based capillary crystalline waterproof coating and a preparation method thereof, and relates to the technical field of waterproof coatings, the waterproof coating is prepared from Portland cement, surface modified basalt fibers, a gradient crystallization accelerator, nano-silica, a polycarboxylic acid water reducer, quartz sand, a functional additive and water; through composite pretreatment of the surface modified basalt fiber, a three-dimensional network structure is formed in the concrete, shrinkage stress is accurately compensated in combination with the magnesium oxide expanding agent, the crack resistance is remarkably improved, and the capillary adsorption effect of mesoporous nano-silica and the slow release design of the gradient crystallization accelerant are utilized to synergistically break through the penetration depth of active substances, so that the crack resistance of the concrete is improved. In addition, the viscosity of the slurry is reduced and the migration of active ions is accelerated by optimizing the molecular structure of the polycarboxylate superplasticizer, and the hydration process is regulated and controlled in cooperation with calcium lignosulphonate, so that the growth rate of ettringite crystals is multiplied, the crack repair can be completed in a short time, and the anti-permeability pressure is improved.

The invention discloses a raw material composition of a dispersing agent, the dispersing agent and a preparation method and application of the dispersing agent. The raw material composition comprises the following components in parts by weight: 10-20 parts of a boron-containing compound; 0 to 30 parts of polyethylene glycol; 5 to 20 parts of an acrylic ester monomer; 0.5 to 1 part of an initiator; and 40-60 parts of an inorganic solvent, wherein the initiator is an inorganic peroxide. The dispersant provided by the invention can effectively reduce the viscosity of slurry and improve the graphitization degree of a product on the premise of ensuring the solid content.

The invention provides a starch saccharification reaction state prediction, regulation and control method, which is applied to the technical field of food processing, and comprises the following steps: dividing a reaction system into a plurality of sub-regions, collecting temperature, slurry viscosity, starch particles, enzyme concentration and other sensing data of each sub-region, and calculating a local gelatinization degree index by using a preset gelatinization degree calculation model. According to the method, a saccharification reaction state prediction model is established, saccharification parameters of each sub-region are predicted in combination with the saccharification reaction state prediction model, then a saccharification state prediction result of the whole reaction system is generated, and the type, dosage and time of amylase putting are determined according to the deviation between the prediction result and a preset saccharification target. Therefore, the product quality and the saccharification efficiency are improved.

The invention belongs to the field of lithium ion battery positive electrode materials, and particularly relates to a low-cost preparation method of a lithium ion battery positive electrode material lithium manganese iron phosphate. The preparation method comprises the following steps: firstly, reacting manganese oxide with phosphoric acid and hydrogen peroxide in advance to obtain manganese phosphate slurry; adding an iron source and a carboxylic acid-based carbon source into the reaction system, uniformly stirring and mixing, ball-milling for a period of time, adding lithium phosphate and an organic carbon source into the reaction container, fully and uniformly mixing the raw materials, and refining particles; and finally, carrying out spray drying and high-temperature sintering on the obtained slurry to prepare the lithium iron manganese phosphate positive electrode material. The method has the advantages of low slurry viscosity in the preparation process, high solid content, simple preparation process, low cost, easiness in batch and large-scale expansion and the like, and the prepared lithium manganese iron phosphate positive electrode material product has excellent electrochemical performance.

The utility model discloses an anti-clamping roller mechanism of a desulfurization vacuum belt conveyor, and relates to the technical field of limestone-gypsum wet desulfurization equipment optimization. The device comprises a belt roller, positioning columns are coaxially installed on the two sides of the belt roller, one positioning column is coaxially connected with a power mechanism, the positioning columns are rotatably installed on a supporting frame, containing gaps are formed in the supporting frame, and the positioning columns penetrate through the containing gaps. The outer wall of the positioning column is connected with the inner wall of the containing gap through a bearing, the bearing is arranged in the containing gap, a plugging cavity is formed between the inner wall of the containing gap and the outer wall of the positioning column, and a plugging medium conveying mechanism is arranged in the supporting frame. The discharging end of the plugging medium conveying mechanism is communicated with the plugging cavity; the problems that according to an existing belt conveyor, a roller is prone to being clamped due to large slurry viscosity, and after the belt conveyor is shut down for a long time, a power roller is prone to being stuck are solved.

The invention provides a ternary positive electrode material, a preparation method thereof and a lithium ion battery. The ternary positive electrode material has a core-shell structure, the core is the ternary positive electrode material, and the shell comprises three coating layers, namely a LiCoO2 layer, a lithium supplementing mixed layer and a protective mixed layer from inside to outside in sequence. And the lithium supplementing mixed layer is composed of LiCoO2 and (LiCo *) 2O. A layer of positive electrode lithium supplement agent is constructed on the surface of the positive electrode material in situ, the self-lithium-supplement positive electrode material is synthesized, and the problem of uneven dispersion of the positive electrode lithium supplement agent is solved. And the residual alkali content of the lithium self-supplementing positive electrode material is reduced through surface coating, so that the problem that the viscosity of the slurry is increased is solved.

The invention provides a splitting grouting discrete element numerical simulation method based on slurry viscosity time-varying characteristics, and belongs to the technical field of splitting grouting simulation. Comprising the following steps: performing a slurry viscosity time-varying characteristic indoor test to obtain the time-varying characteristic of slurry viscosity; constructing a slurry DEM particle viscosity time-varying contact model based on the time-varying characteristics; carrying out splitting grouting simulation based on a slurry DEM particle viscosity time-varying contact model; under a fixed working condition, an obtained simulation result is compared with a test result of an indoor test, and the slurry DEM particle contact model is calibrated; and the calibrated slurry DEM particle contact model is utilized to carry out splitting grouting simulation under multiple working conditions. According to the device and the method, the viscosity time-varying characteristic and the phase change consolidation mechanism of the slurry can be effectively coupled, and the dynamic influence of the rheological characteristic of the slurry in a pore injected medium on the splitting diffusion process can be accurately simulated; and a beneficial method is provided for improving the accuracy and scientificity of the splitting grouting diffusion process of the tunnel and underground engineering.

Disclosed are a viscosity-reducing polycarboxylic superplasticizer and a preparation method therefor. The viscosity-reducing polycarboxylic superplasticizer is obtained by compounding a macromolecular polymer and a pre-wrapped small-molecule polymer in a weight ratio of 1.7-2.3 : 1, wherein the molecular weight of the macromolecular polymer is between 75,000-85,000; and the pre-wrapped small-molecule polymer comprises a small-molecule polymer, a thickening agent and water in a weight ratio of 1,000 : 0.7-1.3 : 8-10, with the molecular weight of the small-molecule polymer being between 14,000-16,000. The polycarboxylic superplasticizer is prepared by compounding the macromolecular polymer and the small-molecule polymer in a certain proportion, thereby exerting a linked viscosity reduction effect, effectively reducing the slurry viscosity of high-performance concrete, improving the adaptability of a concrete admixture, and solving the problem of the site construction of high-performance concrete being difficult.

The present invention discloses an intelligent grouting calculation method and system based on the coupling of neural network and numerical solution, comprising: determining the fluid calculation control equation required for the calculation working condition; taking boundary conditions, grouting velocity, grouting pressure, initial flow field of dynamic water, gravity field, slurry diffusion morphology, temperature field, slurry viscosity, constant volume specific heat capacity, thermal conductivity and density as input data, performing numerical simulation of the input data in the initial stage through a numerical simulation method, taking the parameters of the last time step obtained from the numerical simulation in the initial stage as initial data, inputting them into a trained neural network model, and obtaining prediction results of slurry velocity, grouting pressure, phase fraction and viscosity data; the present invention performs numerical simulation of the input data in the initial stage through a physical solver, and captures physical fields such as pressure, velocity, temperature, as well as local details and global spatiotemporal evolution trends between each field through a neural network model, thereby realizing efficient grouting numerical simulation.

The invention discloses a full-automatic slurry mixing control system and method for oil field well cementation equipment, and belongs to the technical field of oil field well cementation or ocean engineering, and the method comprises the following steps: S1, collecting slurry state data, power system operation data and external environment data through a multi-dimensional state sensing module to generate a real-time working condition data set; s2, based on the real-time working condition data set, adopting a preset slurry rheological state differential model to predict dynamic evolution of slurry viscosity so as to generate future slurry viscosity; s3, according to the future slurry viscosity and the preset slurry safety temperature upper limit, a preset lowest energy consumption trajectory planning model is adopted, and the optimal flow control trajectory of the power system is solved; s4, according to the real-time working condition data set, a preset optimal activator injection decision model is adopted, and the optimal activator dosage is worked out, and the accuracy and reliability of future slurry viscosity prediction are greatly improved.

This invention relates to a method for the graded utilization of wet-process phosphoric acid and the co-production of food-grade phosphoric acid and ammonium phosphate, belonging to the field of phosphoric acid chemical technology. The method first purifies the raw phosphoric acid, with the main process involving multi-stage extraction and back-extraction to obtain food-grade phosphoric acid. For the byproduct raffinate acid, no complex purification is required; instead, a slurry process is used directly to prepare fertilizer. When producing diammonium phosphate, the final neutralization pH is controlled at 8.0-8.5, and the degree of ammoniation is 1.8-2.0. When producing monoammonium phosphate, the raffinate acid is mixed with slag acid and filter solids, and a small amount of raw material acid is added to neutralize to a pH of 4.0-4.5, with a degree of ammoniation of 1.0-1.1. This invention overcomes the problems of high slurry viscosity, equipment blockage, and low product grade caused by the direct fertilizer production of raffinate acid with a simplified process. Furthermore, it coordinates with the disposal of system waste in monoammonium phosphate production, truly achieving high-value utilization and clean production of all components of wet-process phosphoric acid.

A method for producing an electrode assembly for a solid-state battery, wherein the electrode assembly is produced by partially drying an electrode slurry (20-50% dryness) and subsequently coating it with a solid electrolyte slurry of controlled viscosity (1,000-10,000 cP) and solids content (40-80 wt%). Both slurries are dried at 60-120 °C, whereby the ratio of solid electrolyte slurry viscosity to electrode slurry viscosity (0.2-1.0) is reduced to minimize interlayer mixing. The degree of dryness is determined by comparing the residual solvent in the partially dried layer with that of the original slurry. This approach results in a uniform interface between the electrode and the electrolyte.A corresponding method for a solid-state battery encloses the resulting electrode arrangement together with an anode layer in a battery housing, ensuring improved interfacial stability.