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32 results about "Filling rate" patented technology

The fill rate represents a company’s ability to meet current demand with inventory on hand. Accountants and managers are typically responsible for determining how much inventory is necessary to have on hand at all times. A stock out occurs when the fill rate exceeds current inventory.

Converter and refining stock bin feeding control system and control method thereof

The invention discloses a converter and refining stock bin feeding control system and method in the technical field of feeding control, and the system comprises a priority division module which is used for obtaining a priority classification data set; the stock bin state monitoring module is used for outputting a stock bin state adjusting result; the feeding amount optimization module is used for outputting the optimized feeding amount; the dynamic adjustment control module is used for outputting the adjusted feeding rate of the stock bin; and the feeding process adjusting module is used for generating a correction curve set according to the adjusted real-time filling rate data of the stock bin and the temperature data change amplitude before and after adjustment, obtaining the length of a fitting section according to the correction curve set, adjusting the feeding rate increment of the stock bin based on the fitting distinguishing length, and outputting an adjusted material input distribution result. The technical problems that a traditional control system cannot quickly adapt to emergencies in a complex production environment, and the production efficiency and reasonable utilization of resources are affected can be solved.
Owner:NANJING IRON & STEEL CO LTD

Cofferdam filling construction scheme optimization method and system

The invention relates to the technical field of engineering construction optimization, in particular to a cofferdam filling construction scheme optimization method and system.The method comprises the following steps that cofferdam filling construction partitions are divided along the axis of a cofferdam, and a three-dimensional coupling numerical model is established based on hydrogeological parameters and engineering design parameters of the cofferdam filling construction partitions; performing transient seepage stability analysis on the cofferdam filling construction subarea to obtain a critical filling rate; in combination with the critical filling rate, a partition construction collaborative model is established based on a core engineering target, so that a cofferdam filling construction initial scheme is generated; the cofferdam filling construction initial scheme is executed, cofferdam filling state parameters are monitored, and construction risk early warning information is obtained; and dynamically adjusting the cofferdam filling construction initial scheme according to the construction risk early warning information to obtain a cofferdam filling construction optimization scheme. According to the method, the cofferdam filling construction scheme is dynamically optimized, and the safety, the high efficiency and the intelligent level of cofferdam filling construction are improved.
Owner:SINOHYDRO ENG BUREAU 4

Anti-blocking control method and system for spiral conveying device and spiral conveying device

The invention provides an anti-blocking control method and system for a spiral conveying device and the spiral conveying device, and belongs to the technical field of material conveying equipment. The method comprises the following steps: acquiring real-time current data of a spiral motor of the spiral conveying device; based on the quantitative relation between the preset filling rate and the current value of the spiral motor, the real-time filling rate of the materials in the spiral conveying device is determined according to the real-time current data; comparing the real-time filling rate with a preset anti-blocking threshold value; under the condition that the real-time filling rate is larger than or equal to a preset anti-blocking threshold value, it is judged that the blocking risk exists, speed increasing operation is executed, and the speed increasing operation comprises the step that an instruction is sent to the variable frequency driving module to increase the rotating speed of the spiral motor. And the active anti-blocking effect of the spiral conveying device is achieved, the risk of manual disassembly and blockage clearing is reduced, and a guarantee is provided for continuous operation of the whole system.
Owner:CHINA UNIV OF PETROLEUM (BEIJING)

Method, device, equipment and medium for detecting filling rate of trickling paint of stator

The invention discloses a method, a device, equipment and a medium for detecting the trickling paint filling rate of a stator, and relates to the technical field of detection of the trickling paint filling rate of the stator, and the method comprises the steps: preparing a plurality of stator samples, and obtaining the trickling paint filling rate of each stator sample and the actually measured temperature difference between a winding and an iron core in each stator sample in a heat balance state; establishing a thermal simulation model of the stator based on the trickling paint filling rates of all the stator samples and the actually measured temperature differences corresponding to the trickling paint filling rates, obtaining simulation temperature differences under a plurality of different trickling paint filling rates, and constructing a first fitting function with the trickling paint filling rates as independent variables and the temperature differences as dependent variables; according to the first fitting function, obtaining simulation data pairs of a plurality of temperature differences and trickle varnish filling rates corresponding to the temperature differences, and constructing a second fitting function with the temperature differences as independent variables and the trickle varnish filling rates as dependent variables; and measuring the temperature difference between the to-be-detected stator inner winding and the iron core to obtain the trickling paint filling rate. The invention provides a non-destructive trickling paint filling rate detection method.
Owner:ZHIXIN TECH CO LTD

Wood composite material, air conditioner, and method for manufacturing wood composite material

This wood composite material comprises: an inner layer that includes wood and resin; an obverse layer provided on the obverse surface of the inner layer, the obverse layer including wood and resin; and a reverse layer provided on the reverse surface of the inner layer, the reverse layer including wood and resin. The total of the filling rate of the obverse layer and the filling rate of the reverse layer is no greater than half the filling rate of the wood overall.
Owner:MITSUBISHI ELECTRIC CORP

Method and equipment for efficiently preparing inorganic non-metallic material product larger than 1600 meshes through dry method

The invention relates to the technical field of inorganic non-metallic material superfine grinding, in particular to a method and equipment for efficiently preparing an inorganic non-metallic material product larger than 1600 meshes through a dry method.The equipment comprises a superfine classifier, a device rack, a driving motor and a control box, and a ball milling barrel is rotationally installed on the device rack; rotating shafts are fixedly installed at the two ends of the ball milling barrel, a negative pressure suction and conveying mechanism is installed at a right side end opening of the device rack, the output end of the negative pressure suction and conveying mechanism is connected with a discharging end opening, and the discharging end opening is connected with the input end of the superfine classifier; through a collaborative process system of three-stage progressive grinding, gradient screening, precise sorting of an ultrafine classifier and closed-loop backflow regrinding, and in combination with optimal configuration of a grinding medium and a filling rate, the problem of non-uniform granularity of a traditional grinding product is solved, and it is ensured that a final product stably reaches 1600 meshes or above, and the granularity is uniform.
Owner:ANHUI GUOKUANG NEW MATERIAL TECH CO LTD

Ball mill filling control method and device, electronic equipment and storage medium

The invention provides a ball mill filling control method and device, electronic equipment and a storage medium, and belongs to the technical field of ball mill control. If the proportion of the specified frequency band signal in the vibration signal and the current of the main motor are out of respective corresponding preset value ranges, outputting a material quantity adjusting signal so as to control the feeding and discharging mechanism to adjust the material quantity in the ball mill; in the process of adjusting the material quantity, if the change rate of the material quantity within the set time length is smaller than or equal to a preset change rate threshold value, the grinding medium filling rate is determined based on the current of the main motor, the material quantity and the rotating speed of the main motor; and the difference value between the grinding medium filling rate and a preset target filling rate is calculated, and filling control over the grinding medium is conducted based on the difference value. According to the ball mill filling control method and device, the electronic equipment and the storage medium, the grinding effect of the ball mill can be improved.
Owner:SHOUGANG LUANNAN MACHENG MINING CO LTD

Bagged material regional loading control method and device and loading system

PendingCN121903495AInstrumentsThermodynamicsFilling rate
According to the bagged material regional loading control method and device and the loading system, the compartment space data of the to-be-loaded vehicle and the order data of a plurality of customers waiting for loading are acquired, and the number and batch information of the bagged materials in each order are inquired and acquired according to the order data; forming a standardized material batch data set, inputting the standardized material batch data set into a linear programming model, and obtaining a stacking area layout for the current carriage, customer information corresponding to each stacking area and a stacking area material layout initial mapping table; traversing is conducted according to the stacking areas, the space filling rate is calculated, and the layout direction with the higher space filling rate is selected as the stacking direction of the materials; and according to a preset stacking rule, the arrangement of each layer of materials and the levels of different batches of materials are adjusted, and material stacking layout task data corresponding to the current carriage are output. Accurate partition loading of materials of multiple clients is achieved, the space utilization rate of the compartment is increased, and the loading and unloading efficiency is effectively improved.
Owner:HANGZHOU FENGMIO INTELLIGENT TECHNOLOGY CO LTD

Convex letter steel rolling plate shape control method and system based on deep learning

The present application relates to the technical field of deep learning machine vision control convex letter steel rolling, and relates to a convex letter steel rolling plate shape control method and system based on deep learning, which comprises the following steps: heating and descaling a blank, setting a first visual detection unit at the outlet of a heating furnace, triggering hydraulic correction when the centering deviation is greater than a first threshold value; setting a second visual detection unit at a rough rolling mill, extracting the residual area of the rolling piece surface oxide scale through an image segmentation algorithm, and detecting whether to trigger secondary descaling; setting a third visual detection unit at a medium rolling mill, adjusting the flow distribution of the cooling water of a finishing mill if the temperature distribution is uneven, and correcting the side pressure of the finishing mill vertical roll if the corner radius error exceeds a fourth threshold value; setting a fourth visual detection unit at the finishing mill, calculating the roll gap compensation amount and correcting the finishing mill reduction amount in real time when the filling rate is less than a fifth threshold value. The present application combines convex letter steel with deep learning and machine vision, and can make the quality of the manufactured convex letter steel better and the shape more accurate.
Owner:TAI AN JUNHE TRADE CO LTD

A method for determining the grouting hole location for grouting adjacent voids in a strip-filled mining face.

ActiveCN115773153BMaterial fill-upMining engineeringFilling rate
This invention relates to a method for determining the location of grouting holes for grouting in adjacent voids in strip-filled mining faces. The method includes the following steps: determining the location and relevant parameters of the planned mining face; determining the location of the boundary of the coal pillar adjacent to the mining face; determining the filling rate of the filling face adjacent to the mining face, and obtaining the location of the boundary of the equivalent coal pillar of the filling face based on the filling rate; and obtaining the location of the grouting holes based on the obtained locations of the coal pillar boundary and the filling face boundary. The beneficial effects of this invention are: firstly, determining the area of ​​maximum development of void space in strip-filled mining processes; secondly, improving the effect of void grouting for reducing subsidence; and thirdly, deepening the research on void grouting for reducing subsidence under different conditions, providing a reference for subsequent operations.
Owner:JIZHONG ENERGY RESOURCES CO LTD XINGDONG MINE +1

Parameter design method and system for split linkage type filling coal mining hydraulic support

The invention discloses a split linkage type filling coal mining hydraulic support parameter design method and system.The hydraulic support comprises a supporting unit and a falling material filling unit arranged at the rear end of the supporting unit, and the supporting unit and the falling material filling unit are connected through a linkage mechanism; the design method comprises the following steps: acquiring an engineering geological condition parameter set G of a target working face and a physical property parameter set M of a solid filling material; determining a support unit parameter set P, a blanking and filling unit parameter set F and a linkage mechanism parameter set L; establishing a mathematical model among the support unit parameter set P, the blanking filling unit parameter set F and the linkage mechanism parameter set L, constructing a filling efficiency objective function based on the mathematical model, solving the objective function according to the collaborative constraint condition, and obtaining design parameters; a support prototype is manufactured based on the obtained design parameters, an industrial test is conducted on the target working face, the filling rate eta is actually measured, and final design parameters are output.
Owner:CHINA UNIV OF MINING & TECH

Improved spiral push type valve bag packaging machine

The utility model provides an improved spiral push type valve bag packaging machine which comprises a material pushing mechanism which pushes materials in a material bin to a packaging table, a first material pushing assembly, a second material pushing assembly and a third material pushing assembly. The first pushing assembly comprises a first stirring shaft and a first blade connected with the first stirring shaft; the second material pushing assembly is arranged between the second material pushing assembly and the packaging table, the second material pushing assembly comprises a second stirring shaft and second blades connected with the second stirring shaft, the second blades are tooth-shaped blades, the distance between the second blades is smaller than that between the first blades, and the second stirring shaft is connected with the second stirring shaft. The closer the distance between the second blades is to the packaging table, the smaller the distance between the second blades is. The solid-gas mixing state of materials can be broken through, solid-gas separation is accelerated, the proportion of solid materials entering a packaging bag is increased, the gas content of powder is effectively reduced, and the filling rate of packaging is increased.
Owner:BEIJING YANSHAN ZHONGDAO PACKING EQUIP CO LTD

Continuous metering and conveying system for trace powder

The utility model discloses a continuous metering and conveying system for trace powder. The continuous metering and conveying system comprises a storage bin, a stirring assembly, a metering panel, a material thickness adjusting assembly and a material conveying assembly, an arc-shaped notch is formed in one side of a bottom plate of the storage bin; the metering panel can rotate horizontally, an annular metering groove is formed in the top face of the metering panel, and a feeding position, a discharging position and a feeding position are sequentially distributed on the metering groove in the rotating direction. The metering panel positioned between the feeding position and the discharging position extends into the storage bin; the material thickness adjusting assembly is arranged on the inner side wall of the storage bin right above the discharging position and can adjust the height of the material in the metering tank; the stirring assembly comprises stirring blades which can be in sliding contact with the top surface of the metering tank; the material conveying assembly is arranged over the material supply position and can block, adsorb and convey materials in the metering groove located in the material supply position to a material using point. The material thickness can be adjusted, it is guaranteed that the rotating speed of the rotating motor is not lower than 10% P, and then motor stability, material pile density stability and material filling rate stability are guaranteed.
Owner:SHANGHAI NEXTECH CO LTD

Room-pillar goaf grouting filling and coal pillar re-mining method

The invention discloses a room-pillar type goaf grouting filling and coal pillar re-mining method. The method comprises the following steps that 1, basic data of a target room-pillar type goaf are obtained; the basic information comprises coal seam burial depth, coal seam thickness, coal seam mining and retaining ratio and coal pillar distribution condition; 2, according to the basic data of the goaf, a filling station is established on the ground, a conveying pipeline is arranged, the reasonable drill hole interval is determined through a field test, vertical drill holes are formed to inject filling slurry into the goaf, and the goaf filling rate is determined through theoretical calculation and field exploration; and 3, arranging a conventional working face after the filling is compact, and recovering coal pillar resources by adopting a top coal caving operation method. According to the room and pillar type goaf grouting filling and coal pillar re-mining method, the coal resource recovery rate is increased, and potential safety hazards caused by mining of other coal seams are eliminated.
Owner:中煤能源研究院有限责任公司 +1

A method for calculating the optimal filling rate of a multi-layer sand-filled geotextile tube shore protection

PendingCN122654455ASoil scienceSea dike
The application discloses a kind of optimal filling rate calculation method of multilayer sand-filled geotextile pipe coast beach protection, belong to the technical field of coast protection engineering.The quantitative relationship between filling rate and geotextile pipe elliptical section size is established, the overall multilayer structure is taken as the research object, the anti-sliding torque and sliding torque are calculated, and the explicit function relationship between the anti-sliding stability safety factor and the filling rate is derived;Finally, the safety factor and the filling rate relationship curve is drawn, and the filling rate corresponding to the highest point of the curve is taken as the optimal filling rate.The application can scientifically and quantitatively determine the optimal filling rate of multilayer sand-filled geotextile pipe under different marine environmental conditions, effectively reduce the waste of filling material under the premise of ensuring the anti-sliding stability of the structure, significantly reduce the engineering cost, and improve the wind and wave erosion resistance and long-term service life of the structure.The method is simple, accurate and suitable for various coastal engineering such as coast protection, sea embankment protection, beach management, etc.
Owner:CHONGQING JIAOTONG UNIV

A Feedback Adjustment Method for Empty Area Filling Parameters Based on Probability Integral Method

PendingCN122364635AClassical mechanicsFilling rate
This invention discloses a feedback adjustment method for void filling parameters based on the probability integral method, comprising: determining the allowable surface deformation threshold according to the distribution of surface protection objects and relevant specifications; designing several interval filling schemes based on the dip width, mining height, and preset filling rate of the filling area, determining the filling area width, void width, and filling height in each scheme, wherein the filling area and void are alternately arranged; calculating the surface deformation parameters corresponding to each filling scheme according to the probability integral method model, comparing the surface deformation parameters with the allowable surface deformation threshold, and selecting candidate schemes that meet the threshold requirements; performing iterative optimization calculations based on the candidate schemes with the goal of reducing the filling rate, determining the minimum filling rate that meets the allowable surface deformation threshold, and obtaining the optimized interval paste filling parameters. This invention can solve the problems of long processing time and insufficient gangue during existing paste filling mining processes.
Owner:CHINA UNIV OF MINING & TECH

Method for estimating abrasion loss of lining plate of semi-autogenous mill based on digital twinning

The invention discloses a semi-autogenous mill lining plate abrasion loss estimation method based on digital twinning, and belongs to the technical field of mineral processing equipment. The method comprises the following steps: constructing a semi-autogenous mill lining plate abrasion loss estimation digital twinborn model; setting an initial ore filling rate, a steel ball filling rate, an application condition and an application range of the digital twin model; according to the historical roller rotating speed, the ore feeding amount and the ball feeding amount data of the semi-autogenous mill, the equal amount of ore steel ball particles are generated and added into a barrel of the semi-autogenous mill lining plate abrasion loss estimation digital twinborn model; numerical simulation is conducted, and the abrasion loss of the lining plate of the semi-autogenous mill is calculated; the time sequence generative adversarial network starts to perform enhancement and expansion according to the ratio of the input data to the generated data being 1: 30; and performing error calculation and correcting the model to obtain a final result. Compared with a discrete element method, the method has the advantages that the problems of long simulation time and simulation result hysteresis quality are effectively solved, and development of the lining plate abrasion loss estimation method in a semi-autogenous mill intelligent system control loop is facilitated.
Owner:KUNMING UNIV OF SCI & TECH

Self-adaptive proportioning method for raw materials in aluminum oxide industry

PendingCN121945265AImprove adaptabilitySolve the problems of traditional artificial experience decision-makingAluminium compoundsGrain treatmentsMineral SourcesFilling rate
The invention belongs to the technical field of aluminum oxide production, and provides a self-adaptive batching method for raw materials in the aluminum oxide industry. Comprising the steps of particle size distribution data collection, ore pulp mass concentration collection, caustic alkali concentration collection, optimal filling rate calculation, ore proportion and alkali liquor set flow calculation, target mill power consumption calculation, cyclone pyramid ratio adjustment amount calculation, optimization parameter execution and dynamic correction. According to the method, the detection response speed is compressed to the second level through the set online particle size analyzer, the ore pulp concentration meter and the caustic alkali concentration meter, and the scene adaptability is enhanced; through the four pre-constructed models, the control precision of aluminum-silicon ratio fluctuation in grinding and the qualified rate of ingredients are improved; through an ore grinding energy consumption model, rod consumption, ball consumption and power consumption can be remarkably reduced, and mineral resource consumption and carbon emission are reduced.
Owner:GUANGXI TOPSINE ENERGY SAVING TECH CO LTD

Method for calibrating filling rate of ball mill based on DEM

ActiveCN119259189BGrain treatmentsThermodynamicsTrajectory database
This invention discloses a ball mill filling rate calibration method based on EDEM (Digital Emission Modeling). The method includes the following steps: S1: Determine simulation parameters based on actual operating conditions and construct a simulation environment in EDEM software; S2: Adjust the grinding conditions of the ball mill and conduct simulation experiments under different grinding conditions; statistically analyze the changes in the grinding media trajectory at the overflow weir baffle at the ball mill discharge port under different grinding conditions, and construct a grinding media trajectory database; S3: Based on real-time images of the grinding media trajectory at the overflow weir baffle at the ball mill discharge port collected on-site, and combined with the current operating conditions, compare the grinding media trajectory images under different operating conditions in the grinding media trajectory database, and calibrate to obtain the current internal filling rate of the ball mill. This invention enables high-precision, real-time monitoring of the internal filling rate of a ball mill operating with mixed grinding media, which is beneficial for maintaining the continuous stability of the production process, thereby promoting the improvement of overall efficiency and product quality.
Owner:WUHAN IRON & STEEL GRP MINING CO LTD

A storage tank

ActiveCN224448945UAir pumpFilling rate
This utility model relates to a storage tank, including a tank body, an air bladder disposed within the tank body, and an air pump for inflating and deflating the air bladder. Compared to existing technologies, the storage tank of this utility model can be used for the transportation of bulk, fine materials such as feed and cement raw materials, and for the automatic distribution of these materials during loading. During loading, the air pump periodically inflates and deflates the air bladder, causing it to continuously expand and contract, breaking the stable material accumulation state within the tank and redistributing the material to fill the gaps between the tank body and the material. This increases the tank's filling rate, allowing the storage tank to replace manual material handling, achieving automatic material distribution, improving loading efficiency, and avoiding the safety hazards and efficiency fluctuations associated with manual operation. Furthermore, in the transportation of bulk feed, using the storage tank of this utility model eliminates the need for additional disinfection of transport vehicles and ordinary storage tanks due to manual material handling, thereby reducing labor and disinfection costs during the material loading process.
Owner:SHANGHAI REDMAX TECHNOLOGY CO LTD

Intelligent self-adaptive regulation and control system and method for filling rate of ball mill

The invention belongs to the technical field of ball mill control, and particularly relates to a ball mill filling rate intelligent self-adaptive regulation and control system and method.The ball mill filling rate intelligent self-adaptive regulation and control system comprises a data acquisition module, a data processing module, a self-adaptive regulation and control module and a user interaction terminal; comprise material weight, particle size and fluidity. Through the intelligent self-adaptive regulation and control system, the filling rate of the ball mill can be monitored and adjusted in real time, so that the material grinding process is more efficient, and energy waste and time loss caused by improper filling are reduced; meanwhile, the filling rate and operation parameters can be accurately controlled, the material grinding uniformity can be remarkably improved, then the quality of a final product is improved, higher market requirements are met, through real-time monitoring and intelligent regulation and control of the sensor group, the system can effectively avoid excessive grinding and energy waste, and the requirement of green production is met.
Owner:SHANDONG XINHUA TECHNOLOGY CO LTD

Powder material for use in additive layer manufacturing, additive layer manufacturing method using same, and molded article

There is provided a powder material that is for manufacturing a molded article having low porosity and having uniformly present micropores by an additive layer manufacturing method. A powder material for use in additive layer manufacturing contains ceramics and metals, in which a tapped filling rate defined by (tapped density / theoretical density)×100% is 30% or more and less than 40%.
Owner:FUJIMI INCORPORATED

Micro-arc oxidation treatment process for producing cosmetic aluminum packaging piece

The invention provides a micro-arc oxidation treatment process for production of cosmetic aluminum packaging parts, which comprises the following steps of: judging a synchronous oxidation and coloring state by applying optimized pulse parameters to obtain synchronously completed oxide layer structure data; aiming at the oxide layer structure data, analyzing the complexity of a micropore structure by adopting a neural network model to obtain an input condition of hole sealing treatment; a surface micropore filling rate is obtained according to the input condition, if the filling rate is higher than a preset threshold value, hole sealing operation is executed, and a surface flatness index after hole sealing is determined; judging the temperature and pressure compatibility of texture imprinting according to the surface flatness index to obtain thermal stress distribution data in the imprinting process; and aiming at the thermal stress distribution data, adopting a support vector machine algorithm to optimize imprinting parameters to obtain a texture transfer printing stability index.
Owner:DONGGUAN YUANHOU LNDUSTRIAL CO LTD

Lightweight material elevator hopper

ActiveCN223479968UConveyorsBio-packagingAdhesive beltFilling rate
The utility model relates to the technical field of bucket elevators, in particular to a light material elevator hopper which comprises an elevator body and an elevating rubber belt installed in the elevator body, and further comprises a first discharging pipe, a second discharging pipe, a third discharging pipe and a fourth discharging pipe, the adjusting mechanism is arranged on the first discharging pipe and comprises two electric cylinders, the two electric cylinders are both installed on the first discharging pipe, through cooperation of an electric cylinder connecting block and the like, the discharging height of the second discharging pipe can be adjusted conveniently, practicability and applicability are improved, through cooperation of a groove, a shielding net, a plurality of ventilation openings and the like, the discharging height of the second discharging pipe can be adjusted conveniently, and the discharging height of the second discharging pipe can be adjusted conveniently. The air pressure generated in the movement process of the hopper can be effectively weakened, the filling rate of the hopper of the elevator body can be increased when light materials are lifted, cooperation of springs, baffles and the like is facilitated, the light materials are shielded, more materials are prevented from falling out of the hopper, and the working efficiency of the elevator is improved.
Owner:PINGSHAN INNOVATION TRANSPORTATION EQUIP CO LTD

A device and method for filling a gob in a dip coal seam end slope of an open pit mine

ActiveCN117722227BMaterial fill-upMining engineeringFilling rate
The application discloses an open-pit mine dip coal seam end slope mining and filling device and a filling method. The filling device comprises a plurality of sequentially connected filling units. The filling unit comprises a frame and a filling component. The filling component is arranged in the frame. The filling component is divided into two structures. One is a bag type structure, and the other is a plate type structure. The device is convenient to assemble and simple to operate, and can be conveniently pushed into the mining tunnel. The application realizes dip coal seam mining and filling, prevents backflow of the filling material, is safe and reliable, and has high filling rate. The application can be effectively used in end slope filling mining technology for full-height and layered mining of the dip coal seam, greatly improves the filling rate of the dip coal seam filling mining, and fills the blank of the end slope filling method of the dip coal seam.
Owner:CHINA UNIV OF MINING & TECH

Processing apparatus and method for calculating filling rate in processing apparatus

To calculate a raw material filling rate in a processing apparatus by simple means without spending time and cost.SOLUTION: An inert gas G is supplied to a processing apparatus 1 from an opening other than a supply port 3 for a raw material which is a liquid or viscous fluid, a supply amount of the inert gas G and a pressure value inside the processing apparatus 1 are measured, and a raw material filling rate inside the processing apparatus 1 is calculated from a relationship between the supply amount and the pressure value.SELECTED DRAWING: Figure 1
Owner:KURIMOTO LTD

Liquid level adjusting method and system for offshore green hydrogen floating type production, storage and transportation platform

PendingCN121232892ALevel controlMarine engineeringFilling rate
The invention provides a liquid level adjusting method and system for an offshore green hydrogen floating type production storage and transportation platform, and the method comprises the steps: obtaining collection data sent by a plurality of monitoring modules in real time, determining a rolling main period and a rolling amplitude value according to a rolling angle of the platform, and determining the rolling amplitude value of each storage tank according to the current liquid level of each storage tank and preset geometric parameters of each storage tank; the oscillation period of each storage tank is determined, and the target liquid filling rate of each storage tank is determined according to a preset weight array, the geometric parameters of each storage tank, a preset execution step length, a rolling amplitude value, the position of each storage tank, the current liquid level of each storage tank, the oscillation period of each storage tank, the rolling main period, the tank position weight, the current phase of the platform and the current phase of each storage tank; and according to the target liquid filling rate of each storage tank, opening and closing of each pump and each valve are controlled, so that each storage tank is subjected to liquid filling and discharging. According to the method, the target liquid filling rate of each storage tank is automatically determined, so that multi-tank collaborative optimization is carried out, and the stability of the platform is ensured.
Owner:GUANGZHOU POWER SUPPLY BUREAU GUANGDONG POWER GRID CO LTD

A dynamic analysis and control method for offshore LNG ship-to-ship bunkering process

The present application relates to the technical field of LNG ship filling process, and particularly relates to a dynamic analysis and control method for offshore LNG ship-to-ship filling process, comprising the following steps: S1, a data acquisition module acquires basic filling parameters of a filling ship and information of a receiving ship in real time, and performs data preprocessing to obtain a standardized data set; S2, a dynamic numerical analysis model for representing an LNG filling process is constructed; S3, the dynamic numerical analysis model, the standardized data set and historical working condition data are matched to correct the dynamic numerical analysis model into a customized model; S4, a dynamic control strategy is set, and the customized model is combined with the dynamic control strategy to generate a filling rate control instruction; S5, whether the filling rate is the best filling rate is judged; if not, the step S4 is returned; if yes, the filling ship continues to fill until the LNG filling operation is completed. The present application improves the filling efficiency and safety of LNG.
Owner:中海油能源发展股份有限公司采油服务分公司 +1

A method of loading, a system of loading, a loader, and an electronic device

The application discloses a loading machine loading method, system, loading machine, electronic equipment and computer readable storage medium. The method comprises: in response to a loading instruction, starting a parent agent corresponding to a loading operation; in response to monitoring that the operation state of the loading machine meets the calling condition of a first sub-agent at a first operation time, the parent agent calling the first sub-agent and issuing a first operation task to the first sub-agent; the first sub-agent determining a first control amount of a first sub-action at the first operation time according to the first operation task and the operation state at the first operation time; and the first sub-agent controlling the loading machine to execute the first sub-action at the first operation time with the first control amount. The method solves the technical problem of low bucket filling rate and poor universality caused by making the loading machine track a fixed loading track to complete automatic loading in the prior art.
Owner:NETEASE LINGDONG (HANGZHOU) TECHNOLOGY CO LTD

Semi-mill liner wear estimation method based on digital twinning

This invention discloses a digital twin-based method for estimating the wear of semi-autogenous grinding mill (SAG) liners, belonging to the technical field of mineral processing equipment. The invention includes: constructing a digital twin model for estimating the wear of SAG liners; setting the initial ore filling rate, steel ball filling rate, application conditions, and application scope of the digital twin model; generating an equal amount of ore and steel ball particles based on historical drum speed, feed rate, and ball feed data of the SAG and adding them to the drum of the digital twin model; performing numerical simulation to calculate the wear of the SAG liners; enhancing and expanding the time-series generative adversarial network according to a 1:30 ratio of input data to generated data; calculating errors and correcting the model to obtain the final result. Compared with the discrete element method (DEM), this invention effectively solves the problems of long simulation time and delayed simulation results, contributing to the development of liner wear estimation methods in the control loop of intelligent semi-autogenous grinding mill systems.
Owner:KUNMING UNIV OF SCI & TECH