28results about How to "Reduce invalid consumption" patented technology

This utility model relates to the field of atomization spray technology, specifically an atomization spray precision control device. The device includes an atomizer with a side-hollow structure. A baffle plate is located inside the atomizer, and a transmission groove is formed within the atomizer. A connecting rod is fixedly connected to the top of the baffle plate. The top of the connecting rod extends into the transmission groove and is fixedly connected to a gear. A threaded rod is rotatably connected inside the transmission groove. A sliding block is threadedly connected to the external thread of the threaded rod, and another sliding block is threadedly connected to its external thread. A rack is fixedly connected to the bottom of the sliding block. A limit rail is fixedly connected to the top of the inner wall of the transmission groove. The advantages of this utility model are that it ensures uniform drug particle size, enabling precise deposition in the respiratory tract and lungs, improving drug absorption efficiency, optimizing drug distribution, avoiding excessively high or low local drug concentrations, enhancing therapeutic effects, and reducing side effects. Compared to traditional devices, it significantly improves operational quality and efficiency.

This invention discloses a carbon-based composite catalytic material, its preparation method, and its applications. The invention employs a one-step carbonization process involving molten salt confinement, a non-urea nitrogen source, and no ball milling: a dinuclear iron precursor, nitrogen-containing organic matter (as both a non-urea nitrogen source and a carbon source), ZnCl2, and a molten salt system are mixed. After high-temperature pyrolysis under an inert atmosphere, the mixture is sequentially washed with hot water to dissolve the molten salt, followed by washing with HCl solution and drying. The entire process eliminates the need for complex mechanical treatments such as ball milling, simplifying the steps and providing milder conditions, making it more suitable for scale-up preparation and engineering applications. The above-mentioned carbon-based composite catalytic material is applied to the degradation of chlorinated organic pollutants in soil, particularly in conjunction with persulfate oxidants to construct an advanced oxidation system. The highly coordinated dinuclear M2N6 reaction center efficiently activates persulfate, generating sulfate radicals, hydroxyl radicals, and / or non-radical active species, achieving rapid degradation of recalcitrant chlorinated organic pollutants.

The utility model belongs to laser welding machine technical field, concretely is a kind of height adjustable laser welding machine suspension machine, including one sliding block, the lubricating mechanism is arranged in the one sliding block, the lubricating mechanism includes the pump, the pump output end is fixedly connected with one pipe, the ultrasonic wave atomization nozzle is fixedly connected with both ends in the front of one pipe, the pump input end is fixedly connected with three pipes, the three pipes outer wall is fixedly connected with oil tank, the oil tank upper portion is equipped with feed inlet, the feed inlet inner wall is provided with tank cover, the utility model is inhaled by pump input end from three pipes in the lubricating oil inside oil tank, is transported to one pipe, two elbow pipes, then again by ultrasonic wave atomization nozzle, the lubricating oil is atomized into 5-50um fine particle by high frequency vibration usually 15-40kHz and is sprayed to the inner wall of thread hole, to be sprayed to threaded rod, ensure that lubricating medium evenly covers all contact points, avoid local wear.

The utility model relates to tree insect prevention technical field, especially a kind of tree insect prevention pendant for landscaping, including outer tube, the inner tube is slidably arranged in the outer tube, the inner tube circumference is evenly provided with several outer holes, the inner tube bottom is installed with the box corresponding with outer hole, the upper end of the outer tube rotationally arranged is provided with support frame, the upper end of the support frame is fixedly installed with cross block, adjustable length and the locking hoop of adjustable length are installed on the cross block, effectively solve the problem that the liquid medicine in the prior art is in the frame exposed, will lose due to shaking, dumping or natural volatilization and, the force that pendant swings with wind is directly applied on branch, cause scratch or breakage to branch.

The invention belongs to the technical field of talcum powder. The invention provides high-dispersity talcum powder and a preparation method thereof.The preparation method comprises the following steps that S1, zirconium oxide beads are adopted as a grinding medium, the grinding medium and grinding materials are added into a charging barrel of a vertical sand mill, the grinding materials comprise talcum powder raw materials, carboxymethyl cellulose graft copolymers and sodium hexametaphosphate, the rotating speed is adjusted to be 9.5 m / s, the grinding time is 3-12 h, and a mixture is obtained; grinding to obtain ground powder; s2, adding an aqueous dispersion into the ground powder obtained in the S1, and adjusting the rotating speed to 9.5 m / s and the grinding time to 8-36 hours to obtain ground slurry; and S3, drying and crushing the ground slurry obtained in the S1 to obtain the high-dispersity talcum powder. The carboxymethyl cellulose grafted copolymer is added into the grinding material, so that the viscosity of grinding slurry is reduced, and meanwhile, the dispersity of talcum powder particles is improved.

This invention discloses a casting process for high-strength ductile iron, relating to the technical field of cast iron materials and casting processes. The process includes the following steps: S1, preparing a sand mold, and sequentially forming a sulfur-blocking layer, a diffusion-regulating layer, and a slow-release post-inoculation layer on the surface of the mold cavity to obtain a mold with a gradient reaction coating; S2, melting the base iron, and subjecting the base iron to spheroidization treatment and a primary inoculation treatment to obtain spheroidized iron to be poured; S3, pouring the spheroidized iron to be poured into the mold with the gradient reaction coating, allowing the slow-release post-inoculation layer to contact the spheroidized iron to be poured and release interfacial inoculation active particles; the surface coating of the mold is designed as a gradient structure of a sulfur-blocking layer, a diffusion-regulating layer, and a slow-release post-inoculation layer, so that sulfur blocking, diffusion blocking, and interfacial post-inoculation are spatially partitioned and temporally coordinated, avoiding premature reaction and inoculation failure caused by simple mixing of sulfur-blocking powder and inoculator.

The invention provides an advertisement intelligent decision elimination method and system and a medium, and the method comprises the steps: obtaining advertisement information, and obtaining the amount consumption of each advertisement according to the advertisement information; segmenting and screening each advertisement according to the amount consumption and a preset segmentation threshold value; taking the advertisements of which the amount consumption is smaller than the segmentation threshold value as first-class advertisements, and carrying out idle consumption judgment on the first-class advertisements by adopting an idle consumption model so as to select corresponding idle consumption advertisements; taking the advertisements of which the amount consumption is greater than or equal to the segmentation threshold value as second-class advertisements, and predicting the second-class advertisements by adopting a CPS model so as to select high-CPS advertisements; and after the decision time is reached, performing shutdown processing on the idle advertisement and the high-CPS advertisement. According to the method, intelligent elimination decision making is carried out on the put advertisements in a step-by-step screening mode, so that the advertisement putting efficiency is effectively improved, and the conversion effect of the advertisements is improved.

This utility model discloses a system for removing impurities from carbon-containing chlorosilanes and recovering chlorosilanes, comprising: a first distillation column for receiving and concentrating carbon-containing chlorosilanes; a first adsorption and reaction device connected to the first distillation column, the first adsorption and reaction device being filled with a metal adsorbent material and equipped with a silicon tetrachloride feed pipeline; a second adsorption and reaction device connected to the first adsorption and reaction device, the second adsorption and reaction device being filled with a methyldichlorosilane adsorbent material; a second distillation column connected to the second adsorption and reaction device; and a third distillation column connected to the second distillation column. This utility model can adsorb and concentrate metal impurities in carbon-containing chlorosilanes as a catalyst for the carbon removal reaction, effectively avoiding deactivation and failure caused by metal impurities encapsulating the resin catalyst, improving the conversion rate of methyldichlorosilane, and effectively avoiding the disproportionation reaction of silicon trichloride in the presence of the resin catalyst, thereby improving the carbon removal efficiency and chlorosilane recovery efficiency.

The invention discloses an environment-friendly low-slag low-consumption phosphating solution and a preparation method thereof, and belongs to the technical field of metal surface anti-rust treatment solutions. The corrosion inhibitor comprises the following chemical components in percentage by mass: 8-13% of zinc oxide, 8-12% of nitric acid, 17-25% of phosphoric acid, 0.5-0.8% of citric acid, 0.3-0.5% of hydroxylamine sulfate, 0.3-0.5% of sulfamic acid and the balance of water. The method comprises the steps of preparing zinc oxide turbid liquid; preparing a zinc salt solution; and preparing a finished product phosphating solution. The method has the advantages that invalid consumption of phosphate ions can be reduced from the source; the compactness and the anti-rust performance of the zinc-series phosphating film can be guaranteed, meanwhile, a large amount of sediment brought by nitric acid serving as a strong oxidant is avoided, and the total nitrogen content can be lower than 70 mg / L; the spontaneous precipitation of free zinc ions and phosphate ions can be inhibited, and the ion balance effect of the system can be well maintained.

The invention provides a water-saving sprinkling irrigation device for agriculture and forestry. The water-saving sprinkling irrigation device comprises a movable seat body, a first irrigation unit, a second irrigation unit and a recovery unit. A water supply tank is arranged at the top end of the movable seat body; the first irrigation unit is provided with a plurality of water spraying parts facing the ground and is used for irrigating seedlings and low crops; the second irrigation unit is provided with two spraying parts which are symmetrically arranged in the width direction of the movable seat body, and the spraying parts are used for spraying water or pesticide to the shrubs; and the recovery unit is arranged on the movable seat body, is provided with two collecting parts corresponding to the two spraying parts respectively, and is used for recovering the liquid medicine overflowing from the shrubs or the spraying parts. According to the water-saving sprinkling irrigation device for agriculture and forestry, the first sprinkling irrigation unit and the second sprinkling irrigation unit which can be independently controlled are arranged, the device can be matched with various different types of plant shuttle planting scenes, part of water / pesticide liquid can be recycled, the water-saving effect is remarkable, and practicability is high.

This invention belongs to the field of functional catalytic materials and water treatment technology for groundwater pollution remediation, specifically relating to a modified iron heterojunction biomass slow-release material, its preparation method, and the application of a coupled electric field in the remediation of organic pollutants in groundwater. This invention utilizes shiitake mushroom biochar as a carrier to load modified zero-valent iron, effectively alleviating the problem of iron agglomeration. The modified zero-valent iron grows in situ within the three-dimensional pores of the biochar, enabling the slow release of active iron components and improving the utilization efficiency of the oxidant. The built-in electric field of the iron-carbon structure-reinforced material helps solve the problem of slow mass transfer in groundwater media, improving the surface accessibility of the oxidant and pollutants. This material can reduce the localized Fe... 2+ Excessive concentration of oxidant leads to ineffective consumption, but the electrons can be driven by an electric field to migrate in a specific direction, achieving spatiotemporal matching and dynamic control of the electron transfer rate and the iron supply rate, forming a closed-loop system for in-situ regeneration, which has good application prospects in groundwater remediation.

This invention relates to the fields of microbial fermentation and genetic engineering technology, specifically disclosing a method for preparing human type III collagen fragments. Based on Pichia pastoris, this invention constructs a multidimensional synergistic expression system of "molecular chaperone co-expression - precursor supply - osmotic pressure adaptation regulation," reducing the structural instability of collagen fragments during secretion and post-processing, and constructing an expression system suitable for stable and efficient secretion of collagen fragments. The method described in this invention can achieve efficient extracellular secretory expression of human type III collagen fragments, and the obtained protein has high structural uniformity and stability, with a protein yield of up to 6.55 g / L under 5 L fermenter conditions. The method described in this invention is suitable for the large-scale preparation of human type III collagen fragments and provides a new technical solution for obtaining collagen products with high structural uniformity and good functional activity.

The present application relates to waste gas treatment technical field, disclose a kind of wet chemical catalytic oxidation treatment device for treating VOCs organic waste gas, including reaction tube, and the lower end of reaction tube is connected with inlet pipe and liquid discharge pipe, and reaction tube is connected with reagent pipe and is penetrated, and the one end of reagent pipe is connected with spraying equipment, and the outside of spraying equipment is connected with knob for controlling spraying amount, and spraying equipment is arranged in the central position in reaction tube, and spraying equipment below is provided with lifting frame, and the outside of lifting frame is connected with sealing strip, and lifting frame is connected with catalytic screen frame on, and catalytic screen frame is filled with catalytic packing, and lifting frame is slidingly connected in reaction tube, and the upper end of lifting frame is connected with U-shaped frame.The present application effectively solves the problem of poor adaptability of fixed reaction area, and improves the reaction contact area to ensure the degradation effect at high air volume, reduces the invalid consumption of reagent at low air volume, and greatly improves the adaptability and reaction efficiency of the device for different waste gas conditions.

The invention belongs to the technical field of liquid fertilizers, and particularly relates to a method for producing a vegetarian liquid fertilizer by using livestock and poultry manure sewage and a field returning process, the method for producing the vegetarian liquid fertilizer by using the livestock and poultry manure sewage comprises the following steps: preparing a refined base solution from the livestock and poultry manure sewage, selecting at least one planting pioneer strain with a rhizosphere planting advantage marker, and carrying out field planting on the selected planting pioneer strain; and forming a synthetic microbiome with 2-4 functional strains, inoculating the synthetic microbiome into the refined base solution in the step 1, and carrying out gradient adaptive fermentation. The phytohormone liquid fertilizer with extremely high targeting property can be prepared, the fertilizer efficiency accuracy is improved, the phytohormone liquid fertilizer directly acts on a plant root system, nutrient waste is reduced, the phenomenon that functional thalli are ineffectively consumed or die in a non-rhizosphere environment is reduced, the functional thalli are intensively released and planted in a rhizosphere area, the rhizosphere colonization number of target flora is greatly increased, and the yield of the target flora is increased. The influence on normal metabolism of non-target microbial communities is reduced, and the damage to soil native micro-ecology is reduced.

This invention discloses a method for transforming and improving the quality of inefficient ecological forests in the Loess Plateau, belonging to the field of ecological forest management technology. The method first determines the type of inefficient ecological forest, classifying it into four categories: overly sparse, overly dense, aging, and restricted. Then, it matches corresponding transformation procedures based on the type: for overly sparse stands, replanting and land preparation for rainwater harvesting are carried out; for overly dense stands, gradient thinning is implemented, and soil moisture and tree growth are monitored; for aging stands, pruning, deep burial of litter, and combined rainwater harvesting and water conservation are employed; for restricted stands, rainwater infiltration holes are created, branches are pruned, and backfilling is used to increase fertility. This invention specifically addresses the problems of unbalanced forest density, tree aging, soil and water nutrient deficiency, and restricted stand growth in the Loess Plateau, improving stand stability and health, and enhancing soil water environment and nutrient status. The technology is easy to operate, has low transformation costs, and is suitable for large-scale transformation of various types of inefficient ecological forests in the Loess Plateau.

The invention relates to the technical field of submerged arc furnace waste heat recovery and utilization, and discloses a submerged arc furnace stokehole floor mold pouring and iron slag separation waste heat recovery power generation system. Comprising the following modules and components: a pretreatment and system initialization module, a shunting separation and primary heat exchange module, an iron slag deep cooling and sensible heat recovery module, a flue gas gathering heat exchange and power generation module and a tail end closed loop and waste heat secondary utilization module. The pretreatment and system initialization module comprises a chemical water system, a DCS (Distributed Control System), a temperature sensor, a pressure sensor, a flue gas flowmeter, an external circulating fan, a cold air regulating valve and a radiant heat exchange pipeline; the system can effectively recycle waste heat and radiant heat generated in the cooling process of molten iron and iron slag of the chromite heat furnace, efficient recycling of heat energy is achieved, meanwhile, the environment temperature of a production workshop is reduced, and a safe, environment-friendly and fresh-air working environment is provided for production workers.

This invention discloses a big data-driven dynamic compensation control method and system for denitrification systems in thermal power units. The method includes: real-time acquisition of operating data from the thermal power unit to form a multi-source raw dataset; hierarchical preprocessing of the raw dataset, analysis, and extraction of fused feature vectors; inputting the fused feature vectors into a pre-defined full-condition adaptive dynamic prediction model to output the outlet concentration and optimal ammonia injection rate at future times; the prediction model includes a transfer learning module for different load conditions and a catalyst activity decay compensation module; based on the prediction results, a multi-timescale dynamic compensation strategy is adopted to generate and execute ammonia injection control commands, and the control parameters are iteratively optimized based on the feedback outlet concentration and ammonia slip rate. This invention achieves precise cleaning and feature extraction of massive operating data, establishes a dynamic compensation model capable of real-time tracking of operating condition changes and catalyst decay status, and realizes precise dynamic adjustment of ammonia injection rate.

The invention relates to an MOCVD (Metal Organic Chemical Vapor Deposition) reactor for normal-pressure growth and a film growth method, belongs to the technical field of semiconductor material preparation, and solves the problems that a film formed by a horizontal air inlet MOCVD reactor in the prior art is thick in front and thin in rear, poor in uniformity and locally accumulated. The device comprises a reaction chamber, a gas inlet assembly and a reaction assembly, the reaction assembly is arranged in the center of the reaction chamber, and the gas inlet assembly is arranged on the first side of the reaction assembly and used for providing reaction gas for the reaction assembly; reaction gas enters the reaction assembly in a layered mode, and the reaction gas comprises upper-layer ammonia gas, a middle-layer MO source, carrier gas and lower-layer ammonia gas. The uniformity of the formed film can be improved, and local accumulation is reduced.

This application provides an obstacle-crossing control method for cleaning equipment and a cleaning equipment itself. The method includes: in response to a detected target obstacle meeting obstacle-crossing conditions, controlling the cleaning equipment to move towards the target obstacle; the target obstacle is an obstacle containing at least one step; for each step of the target obstacle, after the cleaning equipment has at least partially engaged with the current step of the target obstacle and the obstacle-crossing wheel legs have engaged with the current step, first controlling the drive wheel located on a first side to move forward, utilizing the support generated by the engagement of the obstacle-crossing wheel legs with the current step, so that both the obstacle-crossing wheel legs and the drive wheel located on the first side cross the current step; then controlling the drive wheel located on a second side to move forward, utilizing the support generated by the engagement of the obstacle-crossing wheel legs with the current step, so that both the obstacle-crossing wheel legs and the drive wheel located on the second side cross the current step. This method is used to achieve stable and efficient crossing of obstacles with heights exceeding conventional obstacle-crossing limits, improving cleaning coverage and equipment operational reliability.

The invention belongs to the technical field of floor support plate forming, and discloses a floor support plate accurate forming method, which integrates dynamic parameter adaptation and hidden defect pre-judgment in the whole process from design drawing analysis to real-time production adjustment, effectively avoids hidden dangers such as stress concentration and local buckling, enables core indexes such as ultimate bearing capacity and midspan deflection of a floor support plate to stably reach the standard, and improves the production efficiency. The reject ratio of products is reduced, and the precision requirements of high-end buildings are met; real-time linkage of virtual equipment and physical equipment is realized through a 1: 1 digital twin system, and a federated learning architecture not only ensures multi-node data security, but also can realize collaborative optimization; the multi-working-condition simulation scene library and the parameterized model can flexibly adapt to different production requirements, intelligent parameter optimization, dynamic deviation correction and model iteration can be completed without manual intervention in the whole process, the process debugging period is shortened, meanwhile, full-amount tracing of production data is achieved, the forming process is changed from experience driving to data driving, and the production efficiency is improved. And the production controllability and the overall efficiency are improved.

The invention discloses a low-power-consumption energy-saving control method and system for an intelligent solid-state contactor of a subway train, and the method comprises the steps: collecting load current data and a train working condition instruction in real time, analyzing the working condition characteristics, and judging three operation modes: full-function working, low-load energy saving and no-load micro-power consumption in combination with preset no-load and low-load thresholds; differential power consumption adjustment strategies are executed on core modules such as a solid-state power unit and a control unit of the solid-state contactor according to different modes; and meanwhile, quick switching of the energy-saving mode and forced fault quit protection are realized, the full-function working mode is quickly switched back when the load is recovered, and the energy-saving mode is immediately quitted and full-function fault protection is started when a fault occurs. The intelligent solid-state contactor solves the problem that a traditional solid-state contactor is high in invalid power consumption under the low-load / no-load working condition of a subway train, dynamic adaptation of the power consumption of the contactor is achieved, the no-load power consumption is reduced by 60% or above, and the intelligent solid-state contactor can be widely adapted to all high-power power supply loops of the subway train.

The application relates to the paint technology field and discloses a wear-resistant anticorrosive water-based zinc-rich paint and a preparation method thereof. The wear-resistant anticorrosive water-based zinc-rich paint is composed of two parts of A component and B component. The A component comprises the following raw materials: a water-based epoxy emulsion, coffee acid modified mica powder, furfuryl modified polyethylene glycol, carbon black and deionized water. The B component comprises the following raw materials: dimer acid type polyamide, zinc powder, a wetting agent, a defoaming agent, an anti-settling thixotropic agent and a cosolvent. The coffee acid modified mica powder and the furfuryl modified polyethylene glycol are prepared and used in the preparation process of the water-based zinc-rich paint, so that the prepared paint has excellent anticorrosive effect, good wear resistance, excellent adhesion and excellent oxidation resistance, and has a long service life.

This invention discloses an IoT-based method and system for monitoring pests and diseases, belonging to the fields of agricultural pest and disease monitoring and smart agriculture. The invention divides the target monitoring area into several monitoring grids, completes the deployment, spatial binding, and attribute calibration of monitoring equipment, and performs preprocessing and feature extraction of monitoring data at the edge, transmitting standardized feature data to the cloud. The cloud constructs a dynamic node resource scheduling model with the dual optimization objectives of maximizing monitoring accuracy and minimizing resource consumption, generates and distributes operational strategy parameters, and simultaneously constructs a spatial correlation matrix and a pest and disease spatial diffusion prediction model to complete risk distribution output, hierarchical early warning triggering, and strategy updates. This invention achieves edge-cloud collaborative management and control, reduces system resource consumption and early warning delay, realizes reasonable allocation of monitoring resources, and improves the accuracy and proactiveness of pest and disease monitoring.

The present invention belongs to the technical field of fully open steel plates, and discloses a fully open steel plate with independently controllable thickness in the bridging area and a preparation method thereof. The fully open steel plate includes a substrate, on which a first opening area for printing grid line areas and a second opening area for printing bridging areas are provided; the thickness of the substrate corresponding to the first opening area is h1, and the thickness of the substrate corresponding to the second opening area is h2; wherein, h2>h1 or h2<h1; the second opening area is located at the end of the grid line area in the printing direction, and is used to form a slurry pattern with different thicknesses on the surface of the battery cell during a single printing stroke. The thickness h2 of the second opening area is adapted to its connection and support function, and the structural strength of the bridging area can be guaranteed by reasonably setting the thickness, thereby guaranteeing the overall forming stability of the grid line pattern; the thickness h1 of the first opening area is adapted to the forming requirements of grid line printing, and the accuracy of slurry leakage printing and deposition can be guaranteed, thereby guaranteeing the forming accuracy of the grid line, and兼顾了栅线成型精度与栅线图案整体稳定性。 It should be noted that there seems to be an incomplete expression "兼顾了栅线成型精度与栅线图案整体稳定性" in the original Chinese text. The translated part "兼顾了栅线成型精度与栅线图案整体稳定性" in English is an attempt to translate it as accurately as possible based on the context, but it may need to be adjusted according to the complete and accurate meaning. You can check and correct it further if necessary.

The invention discloses a communication method, a communication node, a medium and a program product. Comprising the steps of receiving a first model subscription request sent by a second communication node; wherein the first model subscription request comprises model demand time; performing training duration estimation according to the first model subscription request, and determining an estimated training duration; and comparing the estimated training duration with the model demand time, and feeding back a first model training instruction to the second communication node according to a comparison result. Before the longitudinal federated learning training is carried out, the longitudinal federated learning server estimates the time required by the training, and timely communicates and matches the estimated training duration obtained by estimation with the network element demand of a consumer. Therefore, the first communication node can carry out longitudinal federated learning training only under the condition that the user demand can be satisfied, and invalid consumption of training resources is reduced.

The invention relates to the technical field of high polymer materials, and discloses a low-density biodegradable composite material based on an interface pore effect and a preparation method. The composite material is prepared from a resin matrix composed of poly (butylene adipate / terephthalate) and polypropylene carbonate, modified activated plant fibers, a high-melting-point heterogeneous crystallization nucleating agent and a matrix reinforcing chain extender, wherein the surfaces of the modified activated plant fibers are grafted with nano rigid particles, and the modified activated plant fibers are passivated by polyethyleneimine. The preparation method comprises the following steps: firstly, grafting nano particles on the surface of the fiber through a silane coupling agent, passivating, and then reacting and extruding under a high vacuum condition through a double-screw extruder with the length-diameter ratio of greater than or equal to 52: 1. According to the invention, the density of the material is reduced on the premise of not adding a chemical foaming agent by utilizing an interface micropore nucleation principle, meanwhile, the problem of matrix degradation caused by plant fibers is solved, and the composite material with the characteristics of light weight, high strength and full biodegradation is obtained.

The application discloses an egg-laying hen precise feeding system, relates to the technical field of feeding systems, and is used for feeding egg-laying hens in stacked cages and comprises stacked cages, a plurality of feeding troughs vertically and equidistantly installed on the side walls of the stacked cages, and a feeding device with a walking frame arranged above the stacked cages. The application relies on cloud computing of a management system, combines with index precise accounting of feeding quantity, solves the deficiency that the prior art can only measure and calculate the use of materials and cannot precisely discharge materials, stably and quantitatively discharges materials through an auger conveying structure, improves the problem of uneven traditional discharging, replaces extensive feeding with on-demand feeding, reduces feed waste from the source, eliminates the hardening feed on the inner walls of the feeding troughs, cooperates with hot air to complete softening and drying, drives a vibrating plate to break up the caked materials by using air pressure and spring cooperation, recovers the spilled feed on the top of the trough, solves the secondary losses of feed residues, caking, splashing and the like caused by the humid environment of the henhouse and the feeding habits of the egg-laying hens, and comprehensively improves the overall utilization rate of the feed.

This invention discloses an automated production method for 4,6-dichloro-5-methoxypyrimidine, belonging to the field of chemical production technology. The method includes the following steps: mixing 4,6-dihydroxy-5-methoxypyrimidine, phosphorus oxychloride, and a magnetic solid deacidifying agent to form a solid-liquid suspension; continuously feeding the solid-liquid suspension into a continuous flow reactor and applying an alternating magnetic field within the reactor to carry out a chlorination reaction; performing online solid-liquid separation on the reaction solution to retain the magnetic solid deacidifying agent bound with hydrogen chloride, obtaining a clarified reaction solution; regenerating the magnetic solid deacidifying agent in situ; and performing solvent removal treatment on the clarified reaction solution to obtain 4,6-dichloro-5-methoxypyrimidine. This invention, by introducing a magnetic solid deacidifying agent, a continuous flow reaction driven by an alternating magnetic field, and a dual-station high-gradient magnetic separation in-situ regeneration technology, significantly improves product quality, yield, and the cyclic stability of the deacidifying agent.