79results about How to "Solve waste" patented technology

The application discloses a double-membrane water treatment system, which comprises a front ultrafiltration assembly and at least one reverse osmosis assembly; the front ultrafiltration assembly is provided with an ultrafiltration water tank; the reverse osmosis assembly is connected to the downstream of the ultrafiltration water tank and is provided with a water tank; the water production side and the concentrated water side of the reverse osmosis assembly are respectively connected to a discharge flow path; a shunt device provides a first discharge flow path and a second recovery flow path for flushing water from the reverse osmosis assembly; the first discharge flow path is connected to an external discharge point of the system; the second recovery flow path is connected to the water tank or the ultrafiltration water tank in the system; a control unit receives an operating state signal of the reverse osmosis assembly to control the shunt device to selectively guide the flushing water to the first discharge flow path or the second recovery flow path; in a flushing state, the shunt device guides the flushing water to the second recovery flow path; and in a chemical cleaning state, the shunt device guides the flushing water to the first discharge flow path. The scheme realizes recycling of high-quality flushing water and improves the recovery rate of the system.

The utility model discloses a handheld trace liquid nitrogen transfer device, including storage cylinder, the top surface of storage cylinder is installed with module box, the bottom surface of storage cylinder is installed with conical barrel, the bottom surface fixed connection of conical barrel has screw pipe, the inner top wall of conical barrel is installed with micro two -way pump, one end communication of micro two -way pump has first pipe line, and first pipe line passes through the inside of conical barrel and is linked with storage cylinder, the other end communication of micro two -way pump has second pipe line, and micro flow sensor and micro electric valve are installed on second pipe line.

The invention provides a dust removal water cannon for coal mining and processing. The dust removal water cannon comprises a dust removal moving trolley; the dust removal liquid storage conveying mechanism is fixedly mounted on the inner side of the dust removal moving trolley, and the dust removal liquid storage conveying mechanism is electrically connected with the control case through a connecting wire; the positioning lifting mechanism is fixed to the front end of the dust removal liquid storage conveying mechanism, and the positioning lifting mechanism is electrically connected with the control case through a connecting line; according to the dedusting water cannon for coal mining and processing, a dripping liquid collecting frame of the dripping liquid collecting mechanism is used for receiving dripping liquid at a cannon muzzle, a high-low collecting cavity guides the liquid to flow into a recycling frame through a recycling pipeline, and the rotating dedusting cannon barrel is movably mounted on the inner side of the upper end of the positioning lifting mechanism; the problem that an existing device wastes water resources is solved, cyclic utilization of the water resources is achieved, and the use cost is reduced.

The application discloses an organic and inorganic fertilizer precision application agricultural planting machine and a working method, and relates to the technical field of agriculture. In the application, the lower end of the first conveying pipe extends into the material guiding cavity, the mixing assembly rotates between the two ditching and material guiding assemblies, the seed guiding part is arranged between the storage assembly and the corresponding material guiding cavity, the organic fertilizer output assembly is arranged in the organic fertilizer storage tank, the first driving rod is provided with a spiral auger extending into the first conveying pipe, and the hollow single-seed part in the power seed guiding ring is used for receiving the single corn seed falling from the storage assembly. The application can realize the regulation and control of the output amount of the organic fertilizer in the first conveying pipe, meet the output of different content organic fertilizer particles, realize the synchronous application of the seed and fertilizer mixture into the fixed point soil hole, realize the synchronous hole application of the chemical fertilizer while the seeding and the organic fertilizer application are realized, improve the seeding and fertilizing efficiency, and avoid the fertilizer waste problem caused by the continuous strip seeding.

This invention discloses a stable combustion control system based on a multi-dimensional furnace combustion measurement method, specifically relating to the field of furnace combustion measurement. This includes multi-dimensional sensor data acquisition, feature parameter quantification and extraction, combustion stability modeling, intelligent graded stable combustion control, iterative optimization of control effect, and dynamic evaluation of combustion state. Multi-dimensional sensor data acquisition involves synchronously acquiring data through an array of sensors. Feature parameter quantification and extraction involves preprocessing the acquired data to extract key feature parameters. Combustion stability modeling involves constructing a quantitative evaluation model of the combustion stability index based on the key feature parameters. Intelligent graded stable combustion control involves triggering a three-stage direct injection response mechanism for the fuel gun based on the combustion stability index, combined with an adaptive energy matching algorithm to dynamically adjust the stable combustion energy injection. This invention, through a multi-dimensional sensor array and feature extraction algorithm, achieves advanced identification of early combustion deterioration, solving the problem of lag in single flame detector monitoring.

The application provides a method and system for checking the cross-modal information consistency of a maintenance plan based on a large model, and relates to the technical field of big data analysis. The method comprises the following steps: identifying a target maintenance plan through a power large model, determining key maintenance content, an unstructured proportion, and an attachment type complexity; obtaining a text data complexity and a business risk index based on key maintenance content analysis, as a first checking difficulty coefficient and a second checking difficulty coefficient; determining a third checking difficulty coefficient according to the unstructured proportion and the attachment type complexity evaluation; taking the expected review time limit of the target maintenance plan as a constraint, formulating an adaptive checking depth and an adaptive checking breadth based on the first checking difficulty coefficient, the second checking difficulty coefficient, and the third checking difficulty coefficient; and performing cross-modal information consistency checking on the target maintenance plan according to the adaptive checking depth and the adaptive checking breadth. The dynamic allocation of resources for checking the cross-modal information consistency of a maintenance plan is achieved.

The application discloses a kind of adjustable grinding equipment for milk tea raw materials, belongs to food processing technical field, it includes rack, including setting in the rack top storage tank, buckle setting in the bottom of the rack grinding barrel, setting in the transport mechanism both sides of distribution tank, and slidingly setting in the top of the grinding barrel feed frame;The present application is accurately removed to taro two ends rhizome by removing mechanism, efficiently recycles the residual taro of rhizome by scraping mechanism, and the classification collection of distribution tank to taro and rhizome, realizes the directional removal of coarse fiber in taro and the full use of raw material, and the taro of scraping recovery can participate in grinding again, avoid the problem of grain feeling and raw material waste caused by fiber residue in traditional grinding, solve the problem that existing equipment is not effectively handled due to coarse fiber and affects taro paste taste, the problem that the appearance is poor after being made into taro round, so that adjustable grinding equipment can stably produce smooth and smooth taro paste, satisfy the high requirement of milk tea raw materials on quality.

The application relates to a fixing device, belongs to the technical field of unloading platform construction, and particularly relates to a detachable unloading platform fixing device, which comprises a pre-buried sealing sleeve pipe pre-buried in a concrete slab and an unloading platform body, a fixing bolt is arranged in the pre-buried sealing sleeve pipe, a fixing plate is arranged at the top end of the fixing bolt, a gasket is arranged on the fixing plate, a fixing nut is screwed on the fixing bolt, the gasket is located between the fixing plate and the fixing nut, and a wooden block is arranged between the fixing plate and the unloading platform body. The application can improve the complicated dismounting work in the prior art, the device can be repeatedly dismounted and used, construction cost can be reduced, the effect of reducing cost and increasing benefit is achieved during building construction, the existing fixing mode of only using a U-shaped steel pull ring is solved, the problems of being not economical and green, being difficult to dismount and being not recycled after dismounting to cause resource waste are solved.

The utility model provides a kind of workpiece semi-finished product automatic feeder, it is related to feeding equipment field, including vibration disc, electrical control unit being connected with vibration disc, the conveying belt before vibration disc, clamping and turnover unit above the end of conveying belt, feeder frame below conveying belt, cutting chamber before conveying belt, the position of feeder end of vibration disc end is matched with the conveying belt;Cutting chamber side wall is fixedly connected with rack, and the middle of cutting chamber side wall is provided with feed hole;The clamping and turnover unit is movably connected on cutting chamber side wall, main shaft guide rail is installed on feeder frame, main shaft is slidably connected with main shaft guide rail, and main shaft front end is equipped with main shaft gripper for clamping workpiece semi-finished product.The movement of the clamping and turnover unit of the utility model is matched with the front and back movement of main shaft, the head of workpiece semi-finished product is cut and processed into finished product, the output rate of workpiece product production line is improved, and material waste is reduced.

This invention discloses a data communication scheduling system for intelligent manufacturing production lines based on edge computing, belonging to the field of industrial IoT edge computing data scheduling technology. The system synchronously acquires the real-time load current discrete sequence of the target device node and the real-time signal-to-noise ratio sequence of the main communication path, extracting the second-order derivative zero-crossing discrete component and the first-order attenuation discrete component of the envelope. A cross-correlation algorithm is used to perform coherence analysis to derive a cross-domain healthy coupling index. Using this index as the independent variable, a weighted mapping of the real-time packet loss rate is performed through an exponential gain function to generate a virtual impedance factor. It determines whether the index exceeds a threshold to trigger backup gateway context pre-synchronization and calculates the positive offset. Finally, a normalization function is used to calculate the traffic allocation weight and configure path scheduling labels to achieve dynamic scheduling of multi-path traffic splitting actuators. This solution achieves a priori prediction of industrial communication link quality and refined multi-path traffic splitting scheduling.

The utility model discloses an automatic half-piece cutting medicine box and a medicine box assembly applied to a subpackaging machine. The automatic half-piece cutting medicine box comprises a rotary mold core, a main shell, a blade and a medicine outlet component, the rotary mold core is arranged in the main shell; a first annular groove and a plurality of vertical grooves distributed in the annular direction are formed in the side wall of the rotary mold core, and the vertical grooves communicate with the first annular groove. A tablet channel is formed between each vertical groove and the inner wall of the main shell; the blade is fixed to the outer wall of the main shell, and the cutting edge side of the blade extends into the main shell and is located in the first annular groove. The medicine outlet component is arranged in the main shell and located below the blade. The lower portion of the rotary mold core can be connected with an output shaft of a motor of the subpackaging machine, so that the rotary mold core can be driven by the motor to rotate, the blade cuts a tablet in the vertical groove into two half pieces during rotation, instant cutting of the tablet and taking of the half pieces of medicine are achieved, and the problem that the subpackaging machine is difficult to provide the half pieces of medicine is solved. And the automation degree of the subpackaging machine can be improved.

The utility model relates to a kind of ice bar machine, comprising: vortex tube heating unit, with hot gas outlet and cold gas outlet;Cooking heating module, including pot and base, the base is equipped with hot gas stream air inlet, this hot gas stream air inlet is connected with the hot gas outlet of vortex tube heating unit, for the hot gas stream is guided into the bottom of pot to heat the food material of ice bar liquid production;Cooling module, including ice bar tray for placing ice bar mold and cold gas delivery pipeline, the cold gas delivery pipeline is connected with the cold gas outlet of vortex tube and the inside of ice bar tray, for injecting cold gas stream to ice bar tray to solidify ice bar liquid in ice bar mold. Advantage is: it is with single vortex tube unit to generate cold, hot two gas streams simultaneously, replace traditional independent compression refrigeration system and external heating equipment, independent heating furnace in prior art is saved, equipment component quantity and overall structural complexity are significantly reduced.

This utility model provides an energy-saving dry ice manufacturing and feeding device, relating to the field of dry ice feeding devices. It includes a storage tank, a first pipe at the bottom of the tank, a heat exchanger at one end of the first pipe, a flow meter on the surface of the first pipe, a second pipe on the side of the heat exchanger, an exhaust gas pipe on the surface of the heat exchanger, and a dry ice manufacturing machine at one end of the second pipe. The exhaust gas pipe 5 recovers the exhaust gas emitted by the dry ice manufacturing machine 6 and guides it into the heat exchanger 3 to pre-cool carbon dioxide, reducing refrigeration energy consumption. A flow meter 17 accurately measures the carbon dioxide flow rate to avoid over-cooling, thereby significantly reducing energy consumption in the dry ice manufacturing process, improving production efficiency, and lowering production costs.

This invention discloses a method and application for preparing amorphous hard carbon anode materials using waste PP separators. The method includes: obtaining waste PP separators from retired lithium-ion batteries and sulfonating them to obtain sulfonated PP separators; then subjecting the sulfonated PP separators to high-temperature carbonization to obtain amorphous hard carbon anode materials. This invention chemically modifies waste PP separators through sulfonation, controlling the structure and carbonization pathway of PP, suppressing severe chain breakage and volatilization during high-temperature carbonization, improving carbon yield, and ultimately obtaining amorphous hard carbon anode materials. When this amorphous hard carbon anode material is applied to sodium-ion batteries, the sodium-ion batteries exhibit excellent cycle performance and rate performance. This achieves high-value recycling and reuse of waste PP separators from retired lithium-ion batteries, solving the environmental pollution and resource waste problems caused by incineration or low-value recycling of waste PP separators.

This invention discloses a power device for a water pump used in irrigation, relating to the field of agricultural engineering technology. By leveraging the synergistic effect of a targeted reverse pulse cleaning component and a modular quick-release component, precise anti-deposition maintenance of the centrifugal pump is achieved. This differs from the passive and inefficient traditional solutions that rely on manual disassembly and cleaning or replacement of the entire impeller, making the pump operation more reliable. First, by using an annular cleaning manifold and a targeted nozzle, combined with a micro high-pressure booster pump and a high-frequency electromagnetic pulse valve for reverse pulse jetting, the pump can accurately break up the silt and sand clumps between the blade modules before startup through high-speed water jets. During operation, the pump can also dynamically prevent suspended silt and sand from adhering by forming micro-vortices on the self-cleaning ribs of the impeller surface. At the same time, the dovetail groove connection structure of the quick-release component avoids the cleaning blind spots of traditional integral impellers, allowing the jet of the cleaning component to reach areas prone to silt accumulation, such as the root of the blade. Furthermore, the active removal of deposits by the cleaning component significantly reduces the wear of silt and sand on the impeller module.

This invention provides a non-uniform discrete equivalent circuit modeling method and system for electromigration reliability. It employs an equivalent circuit-based approach to analyze the electromigration stress evolution of general complex interconnect structures, fully considering thermal field effects in the model. This achieves equivalent circuit modeling for stress analysis under multi-physics coupling. Furthermore, by using an adaptive mesh method with non-uniform spatial discretization and a steady-state / quasi-steady-state filtering mechanism, it solves the problem of wasted computational resources in traditional uniform discretization methods when dealing with large-span interconnect structures, and avoids unnecessary transient simulations of immortal interconnect trees, reducing the computational load of full-chip-level analysis. This enables efficient and high-precision transient analysis of the electromigration reliability of large-scale interconnect networks under multi-physics coupling effects.

The utility model belongs to high temperature oxidation blackening production line technical field discloses high temperature oxidation blackening production line with waste heat recovery and waste gas purification function, including feeding mechanism, oxidation furnace and cooling tank connected in proper order, and the exhaust port of oxidation furnace is connected with preheating recovery purification unit, preheating recovery purification unit includes spiral flow guide heat exchange pipe, inertial separation chamber, catalytic oxidation bed and hot air circulation pipe, and spiral flow guide heat exchange pipe, inertial separation chamber and catalytic oxidation bed are connected in proper order through connecting flange, and hot air circulation pipe is linked with one side of catalytic oxidation bed, and the inner wall of spiral flow guide heat exchange pipe is equipped with spoiler, and the pipe of spiral flow guide heat exchange pipe is wound with cooling water pipe, the utility model discloses a spiral flow guide heat exchange pipe cooling water system and hot air circulation reuse mechanism are used, and high temperature waste gas heat energy is converted into cooling water heat energy and drying / combustion -supporting hot air, so as to improve comprehensive energy utilization rate, and the problem of energy waste caused by traditional process direct emptying is solved simultaneously.

This utility model relates to the field of wastewater treatment technology, and in particular to a series-type wastewater treatment flotation machine. It solves the problems of existing technologies where the sludge collection box is fixedly installed, resulting in cumbersome disassembly, difficulty in independent removal for thorough cleaning, long maintenance cycles, and high labor intensity. The series-type wastewater treatment flotation machine includes a flotation machine body and a mounting frame connected to the top of the flotation machine body. A mounting bracket is provided at one end of the flotation machine body, and the mounting bracket is connected to the end of the mounting frame via a connecting structure. A detachable collection chamber and a liquid collection box are provided at the bottom of the mounting bracket. This utility model, through the detachable liquid collection box and collection chamber, significantly improves the convenience of subsequent cleaning and maintenance efficiency, effectively reduces manual labor intensity, and meets the actual needs of efficient and stable equipment operation and rapid maintenance.

This invention provides a dynamic heating method and system for preventing frost heave in cold-region tunnels based on multi-physics coupling, relating to the field of frost heave prevention technology for cold-region tunnels. The method includes acquiring temperature gradients, moisture content distributions, and freezing front advance speeds at different depths within the tunnel; performing coupling analysis to identify critical frost heave risk zones; determining heating response sequences; identifying heat transfer path networks; calculating heat utilization efficiency coefficients; and generating dynamic heating source spatial configuration schemes. This invention, through multi-physics coupling analysis and a dynamic response mechanism, accurately locates heating positions and timing, improves energy utilization efficiency, and effectively prevents frost heave damage.

This invention belongs to the field of gradient controlled-release stent mold technology, and discloses a gradient controlled-release stent mold for seed treatment agents. The mold includes a base with a hollow center and a conical top; a multi-layer barrier sheet assembly arranged concentrically within the base, comprising at least three types of metal mesh sheets with different porosities and biodegradable spacers between the mesh sheets; and a contoured support plate detachably mounted to the bottom of the base. A spiral guide plate is installed on the inner wall of the top cavity of the base, with the spiral angle of the guide plate gradually increasing along the fluid direction. A snap-fit ​​groove is provided at the bottom of the base. This invention, through the synergistic effect of the multi-layer mesh pore size gradient design and the biodegradable spacers, enables the layered release of the agent as needed, solving the problems of single release rate, agent waste, or insufficient efficacy in traditional coating technologies, and significantly improving utilization.

The invention relates to a magnetic separator applied to an iron ore dry-type screening system, which belongs to the technical field of ore material screening and comprises a bottom frame, a vibration assembly, a feeding bin, a first material conveying channel, a second material conveying channel, a magnetic attraction assembly and a third material conveying channel. The magnetic attraction assembly comprises a conveying belt structure and a magnetic block, a plurality of mushroom-shaped rod-shaped bodies are arranged on the surface of a conveying belt body of the conveying belt structure, and a space for containing powdery ore particles is formed between every two adjacent rod-shaped bodies. When the conveyor belt body moves from a magnetic area to a non-magnetic area, the mushroom head structure of the rod-shaped body can effectively block disturbance of external airflow to dust, dust flying is prevented, the collection efficiency of ore dust is remarkably improved, and material loss and production cost are reduced. The conveying belt type magnetic separator solves the problem that when an existing conveying belt type magnetic separator screens ore, ore dust is prone to flying due to breeze in a non-magnetic area, and material waste is caused, and has the advantages of being high in collection efficiency, stable in operation and convenient and fast to maintain.

The utility model discloses a resin finishing dip -mull equipment of machine washable cashmere fiber, including soaking tank, set up on the scraping structure of soaking tank, the scraping structure includes frame, scraping strip A and scraping strip B, frame front and back end is fixed on the soaking tank through the support respectively, and scraping strip A and scraping strip B are arranged in the frame respectively, and the scraping side of scraping strip A and scraping strip B is opposite, the utility model has the advantages of extruding and scraping the machine washable cashmere fiber material that comes out from the soaking tank, and the resin liquid on the machine washable cashmere fiber material is scraped and falls in the soaking tank.

The invention discloses a smart home control method, device and equipment, a medium and a product. The method comprises the following steps: acquiring multi-modal sensing data, and converting the multi-modal sensing data into a discrete feature descriptor sequence; constructing first prompt information according to the situation state definition information and the discrete feature descriptor sequence, and guiding a micro language model to generate a current situation state based on the first prompt information; and generating a control instruction sequence corresponding to the controlled household equipment according to the current situation state, and controlling the controlled household equipment to execute corresponding operation according to the control instruction sequence. By introducing a hierarchical context awareness mechanism, conversion from an original perception signal to a discrete semantic state is completed by using low-power-consumption signal processing and a miniature semantic model, and accurate recognition of a complex life situation under a low-computing-power condition is realized by using a zero-sample logical reasoning capability of the miniature semantic model. And the energy efficiency ratio and the response speed of edge calculation are improved.

The utility model relates to food tumbling machine feeding technical field, solved during food tumbling, the time of feeding operation, food raw materials are affected by air humidity, the caking is happened, bring inconvenience to the subsequent tumbling operation time, and part of raw materials will be attached to the device inner wall, cannot participate in feeding, lead to waste to bring the inconvenient problem of subsequent cleaning. Specifically for a kind of food tumbling machine's feeding structure, including processing box, the side of processing box is provided with driving motor, the output end of driving motor is fixedly connected A rotating rod through the side of processing box, one end of A rotating rod is fixedly connected A gear, the side of A gear is engagedly connected B gear, the surface of B gear is provided B rotating rod, the inner wall of processing box is rotatably connected with B rotating rod by bearing one end, the surface of A rotating rod and B rotating rod is provided with several saw gears, saw gears are alternately distributed two by two.

This invention relates to the field of solid waste treatment technology, and in particular to a method for multi-stage countercurrent water washing and dechlorination of waste incineration fly ash with a low liquid-to-solid ratio. This invention combines low liquid-to-solid ratio water washing with countercurrent water washing, and utilizes a rotary vibrator to achieve effective dechlorination of waste incineration fly ash, ultimately obtaining water-washed fly ash with a chlorine content of less than 1%. Compared with existing technologies, this invention organically combines low liquid-to-solid ratio water washing, countercurrent water washing, and a rotary vibrator, balancing dechlorination efficiency and water resource utilization. The process is stable and reliable, simple to operate, and has low energy consumption. The treated fly ash meets the requirements for subsequent resource utilization, providing an efficient and feasible new solution for the harmless treatment and resource recovery of waste incineration fly ash.

This utility model relates to the field of cooling equipment technology, and in particular to an open-type circulating cooling device, including a bottom pool frame. An operation key is fixedly connected to the center of the front end of the bottom pool frame, and a drain pipe is fixedly connected to the left front end of the bottom pool frame. A cooling tower shell is fixedly connected to the upper left and upper right inner walls of the bottom pool frame. A viewing window is provided at the upper front end of the cooling tower shell, and a cooling structure is fixedly connected to the center of the inner wall of the cooling tower shell. An axial flow fan is provided at the center of the upper end of the cooling tower shell, and six baffles are fixedly connected in a circular array on the upper inner wall of the axial flow fan. This open-type circulating cooling device utilizes a water-saving water spray device to reduce water waste, and combines a cooling structure and an axial flow fan to improve cooling efficiency. The viewing window facilitates observation, the drain pipe is easy to clean, and the baffles prevent water splashing, achieving high efficiency, water conservation, stable operation, and convenient maintenance.

The application discloses an anti-fragmentation method for a portable flash memory device and relates to the technical field of computer storage systems and operating system kernels. The method comprises the following steps: S1, in the file system initialization stage, a hybrid granularity partition model is established, and a storage space is proportionally divided into a small cluster area and a large cluster area according to functional requirements; S2, an extended allocation bitmap management structure is constructed in the memory; S3, in response to a space allocation request, an allocation strategy is selected according to the data characteristics of the request; and S4, an allocation process in the large cluster area. According to the application, the cluster space of the flash memory device is divided into the small cluster area and the large cluster area, various requests are classified and processed based on prompt information when allocating the space, and a relaxed reuse mechanism is introduced, so that the fragmentation process of the storage space is significantly delayed, and the average bandwidth of multi-threaded writing and the space utilization are significantly improved without affecting compatibility and space utilization.

This utility model belongs to the field of electromechanical equipment installation technology, and provides an electromechanical equipment installation and adjustment device, including a mounting base, a locking component at the lower end of the mounting base, and an adjustment component connected to the locking component at the lower end of the mounting base. This utility model adjusts the spacing of the upper clamping plates by driving the component, and can shrink or expand the structure according to the size of the equipment, solving the problem of wasted storage and transportation space caused by the fixed size of traditional devices. The locking component achieves precise control of the tilt angle through a hydraulic push rod, and together with the support column and connecting rod, ensures that the equipment maintains a stable posture during installation, which is convenient for accurate positioning. The cooperation between the connecting block and the slide, the support of the threaded rod by the first mounting plate, and the hinge design of the rotating block all enhance the structural stability of the device during the adjustment process, avoiding shaking or jamming. Secondly, when the limiting component limits the electromechanical equipment, it can simultaneously raise the electromechanical equipment to achieve linkage, thereby reducing the number of operation steps.

The utility model discloses a double -decked paper towel distributor belongs to public facilities articles technical field. It is to solve the existing double -decked paper towel distributor and paper towel roll is stolen easily, and the problem of partial use paper towel roll replacement waste. The distributor includes at least two compartments, and each compartment has a base, openable cover, paper towel frame and locking device, and locking device contains bracket, locking component, unlocking component, blocking device and biasing device, and bracket moves from external position to internal position with paper towel roll use, and after pushing blocking device, button can make unlocking component and locking component joint and unlock, and it further includes the warehouse door with branch, and branch engages with paper towel roll, and only when the current compartment paper towel roll is exhausted, the warehouse door can slide to next compartment, and it is mainly used in public washroom and other places, can prevent paper towel roll and waste, prolongs continuous paper supply time, and is convenient for timely supplement.

This invention discloses a dynamic energy storage regulation system for smart microgrids applicable to new energy power plants, relating to the field of power grid management technology. The invention acquires monitoring information of disturbance events occurring in the target system through a condition monitoring module. A prefetching management module prefetches several monitoring values ​​of each acquisition parameter into a cache according to the prefetching strategy for each acquisition parameter. A data analysis module analyzes the retrieval status of all monitoring values ​​prefetched into the cache for each acquisition parameter during various disturbance events, determining the comprehensive impact of each acquisition parameter under the disturbance event. The prefetching management module adjusts the prefetching frequency of each acquisition parameter's monitoring values ​​accordingly when the next disturbance event occurs. In this way, dynamic adaptation of the prefetching of each acquisition parameter during disturbance events can be achieved, solving the problems of resource waste and insufficient prefetching caused by fixed-frequency prefetching in traditional prefetching methods.