108 results about "Distribution uniformity" patented technology

The invention discloses a building demolition dust intelligent suppression method and system, and relates to the field of building demolition dust suppression, and the method comprises the steps: obtaining the wind field data of a building demolition area and the spatial position information of a structure, and obtaining the arrangement parameters of each nozzle unit in a spraying system; constructing a wind barrier interference area model in the target area according to the spatial position information and the wind field data; calculating the spraying range of each nozzle unit according to the arrangement parameters; performing space superposition on the spraying range and the wind barrier interference area model, calculating a distribution prediction value of spraying particles generated by each nozzle unit in a three-dimensional space, and generating a space unit matrix of an operation area; traversing the space unit matrix to judge the particle distribution uniformity; maintaining or adjusting nozzle unit arrangement parameters according to a judgment result; dynamic reconfiguration of spraying resources in a multi-nozzle system is achieved, and the problem that the dust suppression efficiency is low due to coexistence of over-spraying and under-spraying is solved.

The invention discloses a fruit juice beverage production monitoring and early warning method and device, and relates to the technical field of food production, and the method comprises the steps: carrying out the correlation division of production nodes on a fruit juice beverage production line, and obtaining a heat and oxidation abnormal correlation node set; configuring a temperature sensor array at each thermal association node to monitor real-time temperature-time data and generate a first early warning signal; and monitoring dissolved oxygen data, a material turbulence state and pipeline pressure at each oxidation associated node, establishing an oxidation intake map sequence, predicting the total oxidation intake and distribution uniformity, and analyzing the influence of oxidation on quality indexes to generate a second early warning signal. The technical problems that in the fruit juice beverage production process, heat imbalance can damage raw material nutrition and affect the sterilization effect, and oxidation can cause color and luster deterioration, taste decline and shelf life shortening are solved, and accurate monitoring, abnormity analysis and early warning of quality related key factors in the fruit juice beverage production process are achieved; and the stable product quality is effectively guaranteed.

The invention relates to a polishing performance evaluation method and device and a polishing system for improving the polishing performance. The polishing performance evaluation method comprises the steps that the track lengths of all abrasive particles of a polishing disc are obtained; based on the track lengths of all the abrasive particles, calculating to obtain a track average value and a variance; and based on the trajectory average value and the variance, trajectory distribution uniformity is obtained through calculation. The wafer polishing device has the advantages that the rotating motion of the polishing disc unit and the linear motion of the polishing pad unit are combined, so that the wafer polishing uniformity can be improved, the polishing time is shortened, and the polishing efficiency is improved; the rotating motion of the polishing disc unit and the linear motion of the polishing pad unit are combined, so that uneven abrasion of the polishing pad unit can be avoided, the service life of the polishing pad unit is prolonged, and the cost is reduced.

The invention belongs to the technical field of preparation of new energy materials, and particularly provides a production control method and system for a catalyst for hydrogen production through electrolysis of water. The method comprises the following steps: collecting dynamic parameters of a precursor solution in real time; performing time sequence feature extraction on the dynamic parameters through an edge calculation node, and calculating a current density variation coefficient; the dynamic parameters and the current density variable coefficient are input into a multi-objective optimization model, and a real-time regulation and control instruction of the electro-deposition duty ratio and the annealing temperature gradient is generated; the duty ratio and the temperature gradient are adjusted according to the real-time regulation and control instruction, and the water electrolysis hydrogen production catalyst is produced based on the adjusted parameters; the distribution uniformity of elements on the surface of the catalyst is verified through a spectral analysis technology, and a verification result is fed back to the multi-objective optimization model for parameter iterative optimization. Dynamic parameters of a precursor solution are collected in real time, time sequence characteristics are extracted in combination with edge calculation nodes, a current density variable coefficient is calculated, and dynamic sensing and stability quantitative evaluation of the process state are achieved.

The invention discloses a denitration system capable of automatically adjusting an ammonia spraying strategy, which comprises a data sensing layer and an execution layer, the data sensing layer comprises a plurality of measuring devices arranged at an inlet and an outlet of an SCR (Selective Catalytic Reduction) reactor, the execution layer comprises a plurality of ammonia spraying grids arranged along the section of a flue in a partitioned manner, and each partition corresponds to an independent ammonia spraying branch pipe; an adjustable flow control valve is arranged on each ammonia spraying branch pipe; the control layer is in communication connection with the data sensing layer and the execution layer, and the control layer comprises an advanced controller and is configured to receive real-time data of the data sensing layer and optimize the real-time data on the basis of a preset denitration model and an optimization algorithm; calculating the distribution uniformity index of the NOx concentration at the outlet of the SCR reactor and the target ammonia gas flow required by each partition of the plurality of ammonia spraying grids; and the distributed PID controller is connected with the advanced controller and is configured to receive the target ammonia gas flow of each partition and generate a control signal to drive the corresponding flow control valve, and the total ammonia consumption can be remarkably reduced under the same denitration efficiency.

The invention discloses a complex soft foundation waterscape miniature steel pipe pile reinforcing method which comprises the following steps: accurately predicting a deformation value of a potential settlement area by fusing thickness distribution parameters, soil compression modulus and numerical simulation, and comparing the deformation value with an engineering safety threshold. When deformation exceeds the standard, an optimization algorithm is adopted to adjust pile foundation arrangement, optimized pile foundation position parameters are generated, then connection node coordinates are extracted from the bottom plate structure model, and stress transmission efficiency and load distribution uniformity are calculated. And if the uniformity is lower than a threshold value, a reinforcement configuration scheme is finally generated by iteratively updating a connection node stiffness matrix, optimizing connection mechanism parameters, extracting mechanical transmission path data, simulating long-term stability and evaluating the durability improvement degree. According to the method, multi-level parameter optimization and numerical simulation are combined, so that the foundation stability and the load distribution uniformity are ensured, and the engineering durability and safety are remarkably improved.

The invention provides an intelligent temperature control heat tracing band and a manufacturing method thereof, and belongs to the technical field of heat tracing bands, and the method specifically comprises the steps: determining the temperature measurement data of the heat tracing band based on the test data of the heat tracing band, and determining the temperature of the heat tracing band when the distribution uniformity of a conductive composite material of the heat tracing band is determined to have deviation based on the temperature measurement data. On the basis of the uniform distribution condition of the conductive composite material of the temperature tracing zone, determining the number of test samples of the temperature tracing zone in each length, and on the basis of the number of the test samples, determining that the test result of the matching carbon black proportion of the conductive composite material under each length meets the requirement. On the basis of similar conditions of matching carbon black proportions of the conductive composite materials under various lengths and resistivity data, the manufacturing method of the temperature tracing zone is determined, and the operation reliability and safety of the temperature tracing zone are improved.

The invention discloses a mechanical arm spraying parameter regulation and control system for artificial rainfall simulation, particularly relates to the technical field of agricultural irrigation control, and is used for solving the technical problems of water pressure self-adaption lagging and spraying parameter instability during alternate irrigation mode switching caused by pipeline extension and retraction of existing mechanical arm irrigation equipment. According to the system, by detecting the length variation of a telescopic water pipe of the mechanical arm and the real-time water pressure value of a water pipe inlet, the flow entropy yield space gradient and the turbulent flow energy dissipation rate are calculated to generate the water pressure compensation amount; regulating and controlling the water pump pressure based on the water pressure compensation amount, and synchronously analyzing a target spraying parameter combination of the alternate irrigation instruction; pressure compensation and parameter adjustment are executed in a linkage mode in the moving process of the mechanical arm, and kinetic energy distribution is collected through a water drop impact sensor array; when the kinetic energy distribution uniformity does not reach the standard, the entropy production and turbulence calculation logic is reversely corrected; precise and stable control over spraying parameters under dynamic operation is achieved, and the multi-area and multi-mode switching requirement is met.

The invention discloses a pellet reciprocating shuttle car material distribution uniformity evaluation method and system and a storage medium. The method comprises the following steps that material layer thickness data of a plurality of layer thickness detectors on a grate bed of a chain grate machine within a set time period are synchronously collected; dividing the material layer thickness data into a forward cloth data segment and a backward cloth data segment according to forward and backward running state signals of the shuttle car; respectively calculating a comprehensive material distribution quantity difference value of the forward material distribution data segment and the backward material distribution data segment, and judging a material distribution quantity difference direction according to a preset threshold value; calculating the standard deviation of the forward material distribution data segment and the backward material distribution data segment along the width direction of the grate bed of the chain grate, and judging the material distribution uniformity in the width direction; and comparing the average value of the detected material layer thickness of each area with the theoretical material layer thickness, and positioning an over-thick or over-thin area of the cloth. The material distribution uniformity of the material distribution system can be evaluated, and the material distribution uniformity is improved.

The invention discloses a tight oil and gas reservoir horizontal well volume fracturing fracture network wave and volume prediction method, which comprises the following steps of: based on geological engineering parameters of a fractured horizontal well and microseism monitoring fracture volume data, calculating weight factors of each geological and engineering parameter by establishing a multi-factor evaluation model; aiming at a to-be-predicted fracturing section, combining the solved weight factor and the geological parameters of the perforation positions of the fracturing clusters in the fracturing section, and calculating a fracturing crack-making efficiency coefficient representing the distribution uniformity of fracturing fluid; multiplying the original micro-seismic monitoring fracture volume of the fractured section by the calculated fracture forming efficiency coefficient to obtain a corrected effective fracture network wave and volume; according to the method, the fracture forming efficiency coefficient is introduced to correct the original microseismic monitoring volume, the problem that prediction results of an existing method are generally large is solved, accurate quantitative prediction of the effective fracture network waves and the volume is achieved, and a scientific basis is provided for fracturing effect evaluation and scheme optimization.

The invention discloses a porous asphalt pavement gap distribution uniformity and drainage performance testing method. A porous asphalt pavement needing to be tested is divided into a plurality of test road sections; detecting the water seepage conditions of n measuring points in the transverse direction h and the longitudinal direction z of the test road section by adopting a pavement water seepage instrument; driving the rainfall simulation device into a test road section; before testing, the rainfall simulation device is calibrated, the uniform spraying effect of the rainfall simulation device is ensured, the minimum rainfall intensity can be simulated and measured, and meanwhile all interfaces are checked to ensure tight connection; performing water seepage condition retest on the test road section by using a rainfall simulation device, and selecting m test points; and uniformly analyzing gap distribution of the test road section. According to the method, firstly, a road surface runoff scene can be truly simulated, the problem of lateral seepage interference is solved, the overall water seepage condition of a road section can be accurately evaluated, and the pavement water seepage qualification misjudgment rate is reduced; meanwhile, the construction segregation degree is revealed through the data difference between the water seepage instrument (point) and the rainfall simulation (surface). The method is high in operability, convenient to understand and real and reliable in data, and is a simple, convenient and visual test method.

The invention relates to a method for evaluating distribution uniformity of silicon in a CVD (chemical vapor deposition) silicon-carbon composite material. The method comprises the following steps: (S1) acquiring a scanning electron microscope backscattered electron image and a silicon element surface distribution diagram of a sample; (S2) carrying out binarization processing on the silicon element surface distribution diagram through image analysis software, and counting the area proportion sigma Si of the deposited silicon particles; (S3) combining the carbon mass fraction c% of the sample and the correction coefficient delta, and calculating the mass fraction w% of undeposited silicon particles; the correction coefficient delta is obtained through calibration: under the same imaging condition, selecting a region in which all particles are completely covered by a silicon signal and the number of complete particles is not less than 50 from a silicon element surface distribution diagram as a'complete silicon deposition region '; and carrying out the same binarization processing on the silicon particles, wherein the area ratio sigma Si0 of the silicon particles is a correction coefficient delta. The evaluation method provided by the invention has high accuracy, wide applicability and excellent measurement repeatability, and is a scientific and reliable quantitative analysis means.

The application discloses a kind of methods for measuring cooling tower water distribution system water distribution uniformity, it is related to detection technical field, including being set with one consistent and grid size according to filler water wave height selection test grid tube square matrix below water distribution system, each grid tube is equipped with electronic flow sensor through drain hose connection graduated cylinder below, through controller linkage valve and accurate timer realizes automatic synchronous start-stop sprinkling and data acquisition, and water volume data is wirelessly transmitted to data processing unit, the unit is based on formula calculation each point balance degree generates water distribution distribution thermodynamic diagram and diagnostic report including score, improvement suggestion, by the above scheme, water distribution uniformity this abstract concept is quantified, the measurement and multidimensional visual analysis of global synchronization, automatic accurate are realized, solve the defects that prior art lacks standardized detection means, difficult to locate problem and carry out effective comparison, provide reliable basis for cooling tower water distribution performance evaluation and optimization.

The application discloses a flow field uniform distribution device suitable for adjustable and retractable holes of a pulverized coal pipeline, which comprises a shell, a central blunt body arranged at the center of the shell, a first flow guide ring, a second flow guide ring and a third flow guide ring arranged between the shell and the central blunt body from outside to inside, and the first flow guide ring, the second flow guide ring and the third flow guide ring are connected together through support ribs and the shell; the central blunt body comprises a lip-shaped blunt body and annular blades arranged on the circumference of the lip-shaped blunt body, and the shell is provided with an air inlet and an air outlet along the axial direction. A plurality of annular airflow channels are formed between the first flow guide ring, the second flow guide ring, the third flow guide ring, the central blunt body and the shell. The application can improve the distribution characteristics of airflow after the adjustable and retractable holes of the primary air pipeline, improve the airflow distribution uniformity, meet the test requirements under the existing actual conditions, and thus improve the test precision and work efficiency.

The invention discloses a method for controlling roughness transverse distribution uniformity of a temper mill. The method comprises the following steps: S1, collecting process parameters related to equipment; s2, carrying out unit division and defining related parameters; s3, giving a calculation method for intermediate parameters required by rolling pressure calculation; s4, calculating strip steel outlet thickness distribution hi; s5, the elongation distribution epsilon i of the strip steel in the width direction is calculated; s6, calculating a roughness distribution value Rasi in the width direction of the strip steel; s7, setting an initial value F (X) 0 of a target function, and calculating a strip steel roughness control target function F (X); s8, if F (X) is smaller than or equal to F (X) 0, the step S9 is executed, otherwise, the roll bending force of the working roll is adjusted, Fw is made to be equal to the sum of Fw and delta F, and the step S4 is executed again; s9, if Fw is smaller than or equal to Fwmax, the step S10 is executed, and otherwise, Fw is made to be equal to Fwmax, and then the step S10 is executed; and S10, calculation is ended, and the optimal working roll bending force Fw is output.

The application discloses a kiln production line operation energy consumption data optimization collection and analysis method and system, relates to the technical field of data processing, and comprises the following steps: a kiln car displacement encoder and a pre-buried RFID tag generate a space-time tag; based on the kiln working condition, trigger data collection and obtain pressure fluctuation data; from the pressure fluctuation data, extract the residual oxygen associated component related to the combustion efficiency; when the kiln car enters the rapid cooling area, calculate the deviation of the current rapid cooling area temperature distribution uniformity and the historical reference value, if the deviation exceeds the deviation threshold, then apply the pseudo-random air volume disturbance with the same frequency as the rapid cooling fan; analyze the slope change of the exhaust smoke negative pressure recovery curve and the phase lag amount of the firing zone temperature fluctuation during the disturbance, and generate the air volume redistribution instruction when the slope is greater than the recovery threshold and the phase lag amount exceeds the phase threshold; when the correlation coefficient of the time domain characteristics of the residual oxygen associated component and the residual oxygen concentration change rate exceeds the correlation threshold, output the heat value compensation parameter to the combustion controller.

The invention discloses a rapid detection method for zeolite loading capacity and uniformity in a zeolite composite material, and particularly relates to the technical field of material performance detection. Performing fluorescence labeling treatment on the to-be-detected composite material sample; acquiring a fluorescence image under a specific excitation wavelength; constructing a three-dimensional light intensity distribution map through an image processing algorithm; establishing a nonlinear fitting relationship between the fluorescence intensity and the standard zeolite loading capacity by using a local weighted regression model; further estimating the overall zeolite loading capacity of the sample; meanwhile, based on fluorescence integration, distribution skewness and anisotropy analysis, calculating a zeolite distribution variation coefficient, and judging the distribution uniformity of the zeolite according to the zeolite distribution variation coefficient; the detection method has the advantages of rapidness, high sensitivity, non-destructiveness and the like, can realize automatic image recognition and quantitative evaluation, is suitable for zeolite distribution detection of various types of composite materials, and has a wide application prospect in preparation and quality control of materials such as catalysts, adsorbents, zeolite membranes and the like.

The invention discloses a carbon black production equipment control method and system based on a DCS (Distributed Control System), relates to the technical field of carbon black production control, and aims to solve the problem that the particle size fluctuation range of particles is increased. In granulation control, particle samples at an outlet of a granulator are selected and fed into a screening machine for multi-stage screening to obtain granulation distribution data; calling a target particle size interval of the quality control database, calculating a particle size quality score in combination with the distribution data, and classifying particle uniformity according to the score; when a classification result is in a coarsening state, collecting hearth gas pressure, analyzing a rising trend, obtaining an equivalence ratio to evaluate front-end dynamic characteristics, detecting quenching water inflow and a forward distance between a nozzle and a thermal peak position, analyzing rear-end inhibition characteristics, and selecting execution process driving regulation or reaction termination regulation by integrating the two types of characteristics; and real-time identification and targeted regulation and control on the carbon black granulation particle size coarsening trend are realized, so that the particle size distribution uniformity is ensured, and the product quality stability is improved.

This application provides a multi-view detection method and related equipment for the distribution and bridging degree of frost on suspension insulators, belonging to the field of intelligent monitoring technology for transmission lines. The method includes: extracting and registering the foreground of the insulator before and after icing from a group of images taken from multiple perspectives; locating the axial position range of each umbrella unit using the axial gradient distribution features of the ice-free reference image; extracting and quantifying the ice edge using the circumferential gradient saliency features of the iced image; defining and calculating multi-dimensional parameters such as the circumferential / axial distribution non-uniformity of the ice, the bridging degree of local umbrella units, and the overall bridging degree of the insulator string; and finally comprehensively evaluating the uniformity of the icing distribution and the bridging risk level, outputting a quantitative report and operation and maintenance decision recommendations. This application effectively overcomes the detection challenges of variable perspectives and complex lighting conditions in natural scenes through bidirectional gradient feature collaboration and multi-view adaptation mechanisms, providing accurate and reliable technical support for power grid icing prevention and disaster reduction.

The invention relates to a paper literature deacidification effect evaluation method based on an anhydrous liquid phase, which comprises the following steps: setting an effectiveness index and a safety index, obtaining each index value of a deacidified paper sample by adopting a corresponding detection method, and comparing the values with a preset threshold value to realize evaluation of the deacidification effect. The effectiveness indexes comprise pH, alkali reserves, deacidification uniformity, polymerization degree and zero-distance tensile strength, and the safety indexes comprise chromatic aberration, appearance deformation and deacidification liquid safety; the deacidification uniformity is evaluated through the distribution uniformity of alkali reserves, and the distribution uniformity of the alkali reserves is that the relative standard deviation of the alkali reserves of a plurality of parts of the paper sample is less than 30%, and the alkali reserves of each part are 0.12-0.60 mol / kg. According to the method, systematic and comprehensive evaluation on the deacidification effect is realized, a clear standard can be provided for industrial admission of deacidification materials and processes, invalid or harmful deacidification treatment is avoided, development of a deacidification repair technology is promoted, and long-term storage and safe utilization of paper documents are realized.

The application provides an optimization method for a nozzle grouping start-stop strategy of a ground corner arm system of a circular sprinkler, and belongs to the technical field of circular sprinkler equipment, and the method comprises the following steps: obtaining a tower vehicle running track of the ground corner arm system according to basic parameters of the circular sprinkler; obtaining initial nozzle grouping and an initial nozzle start-stop control strategy of the circular sprinkler, and calculating water distribution and a water distribution uniformity coefficient; dynamically adjusting each group of nozzles according to a water distribution diagram to obtain an optimal water distribution uniformity coefficient of this adjustment, and re-grouping the nozzles according to the optimal water distribution uniformity coefficient; repeatedly dynamically adjusting each group of nozzles according to the re-grouped nozzles, and comparing the optimal water distribution uniformity coefficients to obtain optimal nozzle groups; and obtaining an optimal nozzle start-stop control strategy according to the optimal nozzle groups and in combination with a strategy that a single electromagnetic valve controls a nozzle group; and the application solves the problem of uneven spraying in a ground corner leakage spraying area.

The invention relates to the field of data analysis, in particular to a visual geologic model automatic construction method and system. Comprising the steps of calculating a feature expression degree based on a three-dimensional geologic model, and screening out a target mark point type; identifying candidate control points; generating a candidate type combination scheme, and determining an optimal combination type according to the distribution uniformity; determining candidate control points corresponding to the optimal combination type, forming an optimal control point set, and evaluating the credibility of the reference value; cross-image feature matching is carried out on the control points in the optimized control point set, and abnormal control points are eliminated in combination with reference value credibility to obtain a purified control point set; and constructing and visualizing a three-dimensional geologic model based on the purification control point set. The construction accuracy and efficiency of the geologic model can be improved.

The invention provides a method for predicting sorting of fermented sponge spicules through machine learning, which comprises the following steps of: analyzing the interaction strength of spicule structures and hypha attachment according to a deformation aggravation degree to obtain a potential rising level of a sorting misjudgment rate; if the potential rising level of the sorting misjudgment rate exceeds a preset rising level standard, the airflow intensity and the screen mesh aperture are obtained from historical data, the airflow intensity and the screen mesh aperture are adjusted according to the adhesion stacking risk, and a dynamic adjustment instruction set is obtained; the airflow intensity and the screen mesh aperture of the sorting equipment are adjusted by executing the adjusting instruction set, the state of the single-layer distribution bone needles adjusted by the sorting equipment is obtained, and the single-layer distribution uniformity of the bone needles is recognized; the final sorting parameters are applied to a sponge spicule sorting system to sort sponge spicules, single-layer distributed sponge spicules are obtained, and the stability of the sponge spicule sorting process is evaluated by analyzing the uniformity and the sorting misjudgment rate of the single-layer distributed spicules.

The invention discloses a method for characterizing water distribution uniformity of a porous material in water and application, and belongs to the technical field of porous material performance characterization. The method comprises the following steps: 1) constructing a porous material simulation system, inserting water molecules, and starting an NVT ensemble to carry out pre-balancing and finished product simulation; 2) calculating a coordination number function N1 (r) of oxygen atoms of water molecules based on the finished product simulation trajectory, and obtaining a first water molecule density rho1 (r) within a radius r range by combining the sphere volume; (3) subtracting N1 (r) and the sphere volume from the total water molecule number and the total volume of the system respectively, and calculating the second water molecule density rho2 (r) outside the range of r; and 4) calculating the density ratio R (r) = rho1 (r) / rho2 (r), and judging the uniformity according to the mean value of the R (r) within the range from 0.3 nm to half of the minimum side length of the box. The method realizes quantitative evaluation of water distribution uniformity, has the advantages of convenient operation, high quantification precision, wide applicability and reliable data, can be applied to performance evaluation of porous materials such as UiO-67 and graphene, and provides theoretical support for material design optimization in the fields of drying, atmospheric water collection and the like.

The invention discloses a dehydration equipment fault prediction and maintenance method and system based on edge calculation, and the key points of the technical scheme are that the method comprises the steps: obtaining water flow data and filter belt surface image data, and carrying out the preprocessing, and obtaining standardized water flow data and a standardized filter belt surface image; obtaining water flow turbidity and water flow distribution uniformity according to the standardized water flow data; inputting a multi-class semantic segmentation model according to the standardized filter strip surface image to obtain filter strip defects and corresponding quantitative indexes; carrying out collaborative diagnosis according to the water flow turbidity, the water flow distribution uniformity, the filter belt defects and the corresponding quantitative indexes to obtain a fault type; and executing a corresponding maintenance instruction according to the fault type. Through filter belt defect detection of a multi-class semantic segmentation model, a collaborative diagnosis mechanism and a priority judgment rule are constructed in combination with water flow characteristics, intelligent operation of dehydration equipment prediction and maintenance is realized, the accuracy of dehydration equipment fault prediction is improved, and the equipment operation stability and operation and maintenance efficiency are improved.

The invention discloses a seabed polymetallic nodule mechanical and hydraulic collaborative acquisition method, which comprises the following steps: acquiring real-time topographic data and nodule distribution density of a seabed polymetallic nodule acquisition area, and acquiring topographic height change and nodule adhesion information through sonar scanning and an image sensor to obtain a topographic feature distribution diagram and a density distribution matrix; according to the topographic feature distribution diagram and the density distribution matrix, a preset deep learning model is adopted to analyze topographic complexity and tuberculosis distribution uniformity, the applicability proportion of mechanical collection and hydraulic collection is judged, and a collaborative operation initial weight is obtained; real-time cooperative parameters of mechanical and hydraulic means are calculated through the cooperative operation initial weight in combination with the mechanical arm movement range and the water jet injection capacity of the collection device, and a power distribution scheme and a water jet initial pressure value are determined. Intelligent cooperation of mechanical and hydraulic means in the seabed polymetallic nodule collection process is achieved, and the collection efficiency and adaptability are improved.

The invention relates to the technical field of particle control equipment, and discloses a uniform mixing and uniform distribution control device for coiled material particle spreading, which comprises a material box for feeding particle materials; a base; the regulation and control mechanism is used for regulating and controlling the particle materials in the material box; and the regulation and control mechanism comprises a uniform control device, a width control device and a material control device. According to the uniform mixing and uniform distribution control device for spreading the coiled material particles, the uniform distribution roller composed of the two half rollers (the first half roller and the second half roller) rotating oppositely is arranged, particle materials are automatically distributed in the left direction and the right direction to be thrown in the falling process, the distribution uniformity of the particle materials on the surface of a coiled material is effectively improved, and the uniformity of the particle materials is improved. And threaded sleeves in the width control device are matched with opening limiting frames, and the two threaded sleeves adopt opposite thread screwing directions, so that the two opening limiting frames can move relatively, the width of the discharging opening is adjusted, and the requirements of coiled materials with different widths or different sowing densities are met.

The invention relates to the technical field of weather prediction, in particular to a weather prediction method based on deep learning, which comprises the following steps: determining the category of a sub-region according to the number of current-domain rainfall stations and the number of neighborhood rainfall stations corresponding to the sub-region; determining to carry out state matching division or adjustment processing according to the category quantity ratio and the regional distribution uniformity; determining a target optimal area based on the number of drainage points of the adjacent areas and the terrain reference height or based on the fusion times and the terrain fusion difference value; determining a task category according to an inversion factor fluctuation ratio and confirming a distribution sequence according to a priority; and determining or processing the load based on the area span value for task distribution. According to the invention, the rainfall inversion task can be flexibly adjusted, and the rainfall inversion processing efficiency is improved.

The invention belongs to the technical field of flue gas denitration, and discloses an ultra-supercritical unit denitration system flow field optimization method, device and equipment and a storage medium, and the method comprises the steps: determining the position of a drift diameter separation guide plate in a trapezoidal variable-diameter flue through employing a denitration flue gas dynamic flow field model established based on a flue structure of a target denitration system, and carrying out the installation; the flue gas flow field distribution in the flue is optimized; the concentration of NOx in the flue gas is measured in different areas in real time in the optimized flue based on a multi-point mixing method; based on the output of an inlet NOx concentration real-time prediction model constructed by utilizing the NOx concentration data measured in real time in the partition, constructing an ammonia injection total amount prediction feedforward control algorithm; by means of the algorithm, the three-level valves are arranged in series, digital-intelligent cooperative control and adjustment of the ammonia spraying flow are achieved, the distribution uniformity of a flue gas flow field in a flue can be effectively improved, the NOx concentration measurement precision is improved, real-time accurate adjustment of the ammonia spraying amount is achieved, and therefore the denitration efficiency is improved.

The utility model provides a tower tray structure with enhanced liquid distribution uniformity, which relates to the technical field of tower internals and comprises a tower tray body, tower tray meshes are uniformly arranged on the surface of the tower tray body, and an air inlet straight pipe and an annular air pipe are arranged at the bottom of the tower tray body. A plurality of pipeline type tray meshes are uniformly arranged on the surface of the tray body in parallel, the two ends of the pipeline type tray meshes are closed, a horn-shaped design and a spiral groove are adopted at the open ports of the meshes, so that the vertical gas guide pipe is arranged among the gas inlet straight pipe, the annular gas pipe and the tray meshes, and the gas inlet port is formed in the end part of the gas inlet straight pipe. The gas is effectively and uniformly dispersed on the surface of the liquid; according to the utility model, the liquid is ensured to be fully dispersed after impacting the tower tray mesh grid, and the accumulation or channelization phenomenon of the liquid on the tower tray is avoided, so that the uniform distribution of the liquid in the tower is realized, and the uniform liquid distribution not only improves the contact efficiency of each operation unit in the tower, but also improves the working efficiency of the tower. And equipment blockage and operation instability caused by non-uniform liquid distribution are also reduced.