32results about How to "Reduce excessive consumption" patented technology

The invention provides a wet-type high-power combined laser cleaning method suitable for a heavily-corroded steel structure. S1, measuring the thickness of a rust layer on the steel surface of the steel structure; s2, liquid is sprayed to the surface of the to-be-cleaned area of the steel structure to form a liquid film, and the liquid film is used for increasing the laser absorptivity of the surface of the rust layer; s3, the to-be-cleaned area is preliminarily cleaned through continuous laser, the rust layer is made to be fluffy and stripped through the thermal expansion effect, and the thickness of the rust layer is reduced to be not larger than the target threshold value of preliminary cleaning; s4, performing fine cleaning by using pulse laser to accurately remove a residual stubborn rust layer; s5, the to-be-cleaned area is washed; the device can effectively remove a rust layer on the surface of the steel, reduce plasma and smoke dust generated in the laser cleaning process, ensure the safety and high efficiency of the cleaning process, adopt the combination of continuous laser and pulse laser, clean in stages, effectively improve the cleaning efficiency, and reduce thermal damage to the surface of the steel.

The invention discloses a low-altitude fertilizer spraying unmanned aerial vehicle applied to modern agriculture, and relates to the technical field of agricultural instruments.The low-altitude fertilizer spraying unmanned aerial vehicle comprises an unmanned aerial vehicle body, a pesticide tank is fixedly connected to the lower side of the unmanned aerial vehicle body, an air pump is fixedly connected to the outer wall of the pesticide tank, and the output end of the air pump communicates with the interior of the pesticide tank; a feeding pipe is further fixedly connected to the outer side wall of the medicine tank, the interior of the medicine tank communicates with the outer side of the medicine tank through the feeding pipe, a sealing cover is in threaded connection with the inner wall of the end, away from the medicine tank, of the feeding pipe, and a fertilizer spraying mechanism is arranged in the middle of the medicine tank. When the fertilizer is sprayed, the pigment can be sprayed out through the atomization spray head to mark the sprayed area, the problem that due to insufficient fertilizer, part of land parcels are lack of fertilizer or excessive fertilizer is sprayed is solved, the accuracy and uniformity of fertilizer spraying are improved, and the fertilizer spraying device has the advantages of being high in practicability and capable of effectively conducting refined fertilizer management on crops.

The invention relates to the technical field of capacitor preparation, in particular to a preparation process optimization method and system applied to a high-frequency special capacitor, and the method comprises the steps: confirming a preparation environment, receiving a preparation instruction based on the preparation environment, and if the quality of a modified polypropylene film is not within a preset quality interval, determining that the modified polypropylene film is not in the preset quality interval; if yes, returning to the step of obtaining the modified polypropylene film according to the preparation instruction, and if the mass of the modified polypropylene film is within a preset mass interval, metallizing the modified polypropylene film by utilizing distillation equipment to obtain a metallized modified film; and completing the preparation process optimization method applied to the high-frequency special capacitor based on the sealed capacitor, the maximum power density report and the conductivity report. According to the invention, key parameters in the preparation process can be acquired and dynamically adjusted in real time, so that the accuracy of capacitor performance evaluation is improved.

The invention relates to the technical field of flue gas denitration, in particular to an ammonia water injection quantity accurate regulation and control method for a flue gas denitration system. Comprising the following steps: S1, constructing a function relational expression between the ammonia water injection amount and the denitration efficiency; s2, constructing a comprehensive objective function based on the ammonia water injection amount and the denitration efficiency; s3, collecting historical operation data of the flue gas denitration system, constructing a reinforcement learning model, and iteratively training the reinforcement learning model by using the historical operation data to minimize the comprehensive objective function; s4, acquiring the real-time operation state data of the current flue gas denitration system, and predicting the ammonia water injection amount by using the reinforcement learning model output model; and S5, constructing a correction relational expression, and obtaining the optimal ammonia water injection amount based on the correction relational expression. By constructing the reinforcement learning model and the correction relational expression and combining the real-time working condition data and the historical operation data, the system can dynamically adjust the ammonia water injection amount, the denitration efficiency is ensured to be maximized, and meanwhile ammonia escape is effectively controlled.

The invention relates to the technical field of food detection, and particularly discloses a detection method and a detection system for A2 beta-casein characteristic peptide in raw milk, the method comprises the following steps: obtaining initial substrate concentration and initial trypsin concentration, and processing to obtain predicted enzymolysis reaction time; monitoring and analyzing enzymolysis reaction condition data to obtain enzymolysis reaction compensation time; collecting enzymatic conversion general situation data and product degradation monitoring data of the enzymolysis reaction to obtain actual enzymolysis reaction time, and performing comprehensive analysis according to the predicted enzymolysis reaction time and enzymolysis reaction compensation time to obtain an enzymolysis reaction termination judgment index; and controlling the enzymolysis reaction according to the enzymolysis reaction termination judgment index. By screening and synthesizing the bovine A2 beta-casein characteristic peptide, the content of A2 beta-casein in dairy products can be accurately detected, the method has relatively high specificity, sensitivity, recovery rate and precision, and the influence caused by inaccurate high performance liquid chromatography detection and other problems is effectively reduced.

The invention relates to a comprehensive treatment and recycling system and process method for cabin washing wastewater of a multi-chemical cabin washing station, and the comprehensive treatment and recycling system comprises an acid-alkali wastewater pretreatment device, a benzene wastewater pretreatment device, an oily wastewater pretreatment device, an alcohol wastewater treatment device and a domestic sewage pretreatment device, the acid-base wastewater pretreatment device, the benzene wastewater pretreatment device, the oil-containing wastewater pretreatment device, the alcohol wastewater treatment device and the domestic sewage pretreatment device are all connected with the comprehensive wastewater treatment device; the tank washing wastewater is classified and collected from a wastewater source path, and a targeted pretreatment process is adopted according to the physicochemical characteristics of each type of wastewater, so that the pressure of subsequent comprehensive treatment is greatly relieved, the stability and reliability of the treatment effect are guaranteed, and meanwhile, the wide applicability of the process is also improved; the pretreated comprehensive wastewater is subjected to a biochemical and advanced oxidation process, so that the economical efficiency of system operation and the final effluent effect are ensured.

The invention discloses a construction method for a secant pile wall in a sludge stratum. The construction method comprises the following steps that S1, a guide wall is constructed; s2, grooving at a pile wall joint; s3, manufacturing a steel box; s4, steel box construction; s5, grooving the pile wall; s6, hoisting the reinforcement cage; and S7, pile wall pouring. A pile wall joint is adjusted to be a steel box joint, the steel box joint is welded into an II shape through a steel plate, an abdominal cavity formed in a steel box is filled with underwater concrete, a structure similar to a steel pipe concrete is formed, the joint rigidity is improved, and the water stopping effect and stability of the joint are ensured; a conventional secant pile construction process is improved and optimized, the trenching machine is used for taking soil and the steel box connector is used for construction in a matched mode, the pile forming efficiency is improved, meanwhile, the phenomena of water seepage and water leakage are greatly reduced, the surface of a pile wall is smooth, secondary treatment is not needed, the construction period is shortened, and the cost is reduced.

The invention relates to the technical field of mathematical optimization, in particular to a graded biochemical index-based yak fattening method, which comprises the following steps of: acquiring yak sample data, calculating a plurality of groups of index mean value sets and a plurality of groups of index standard deviation sets, calculating an index comprehensive score set, and performing health state grading on the index comprehensive score set through graded biochemical indexes. Identifying a corresponding to-be-fattened yak group, obtaining a unit index demand set of each to-be-fattened yak group, constructing a fattening constraint condition set according to the unit index demand set, obtaining a unit feed cost threshold value, constructing a target fattening function based on the unit feed cost threshold value, and fattening the to-be-fattened yak group according to the target fattening function. And solving the fattening constraint condition set and the target fattening function by using a linear programming solver to obtain an optimal fattening feed ratio, and fattening the plurality of yak groups to be fattened according to the optimal fattening feed ratio. The intelligent degree of an existing yak fattening method can be improved.

The invention discloses a method for preparing a sodium-ion battery hard carbon negative electrode material by co-pyrolysis of biomass and plastic and application of the sodium-ion battery hard carbon negative electrode material. The preparation method comprises the following steps: mixing biomass powder and plastic powder, adding the mixture into a phosphate solution, and stirring for 0.2-2 hours; drying the obtained mixture, and carbonizing in an inert atmosphere; and carrying out acid pickling on the obtained carbonized product, cleaning with deionized water, and drying to obtain the sodium-ion battery hard carbon negative electrode material. According to the invention, biomass and plastic are used as raw materials, an inorganic phosphate solution is used as an aperture regulator, and in the heating carbonization process, biomass and plastic co-pyrolysis greatly improves the carbon yield of pure biomass raw materials. Compared with other methods for preparing hard carbon by using biomass materials, the method is completed in one step, further modification post-treatment is not needed, and the method has the advantages of being simple, practical, low in cost and high in performance.

The utility model provides an LX3194 aluminum profile suitable for a revolving door, which belongs to the technical field of aluminum profiles, aims to solve the problems that the aluminum profile is extremely easy to deform and has certain potential safety hazards when encountering external force impact, and comprises an aluminum alloy profile sliding rail groove which is formed in the outer side of the right end surface of an aluminum alloy profile; the assembling auxiliary part is arranged on the rear end face of the aluminum alloy profile. The cavity structure is arranged at the inner end of the aluminum alloy profile and comprises a first hollow groove, the first hollow groove is formed in the center of the inner end of the aluminum alloy profile, the aluminum alloy profile is of a special-shaped through hole structure, the inner end of the first hollow groove is a rectangular groove, and the left end and the right end of the first hollow groove are provided with cylindrical through groove structures. The glass positioning part is arranged on the left end surface of the aluminum alloy profile; the protection auxiliary structure is arranged on the outer side of the included angle of the aluminum alloy profile. The phenomenon of deformation of the aluminum profile caused by impact of external force is greatly avoided, and the use safety of the revolving door is guaranteed.

The invention relates to the technical field of concrete high-temperature testing, and discloses a concrete structure damage visualization method and system based on an embedded sensing technology, and the method comprises the steps: starting a concrete testing device according to a damage visualization instruction, the concrete testing device is composed of a concrete fixing unit, a data acquisition unit, a surface friction unit and a high-temperature testing unit, to-be-tested concrete is fixed to the concrete fixing unit, and monitoring equipment is used for shooting the to-be-tested concrete to obtain an original concrete diagram; the surface friction unit is used for performing surface friction on to-be-tested concrete to obtain friction concrete, and the high-temperature testing unit is used for emitting laser to the friction concrete to obtain a high-temperature concrete diagram and an air flow concrete diagram; and taking the original concrete diagram, the friction concrete diagram, the high-temperature concrete diagram and the airflow concrete diagram as input data of a pre-constructed surface detection model, and obtaining the surface damage degree by utilizing the surface detection model. The intelligent degree of concrete structure damage testing can be improved.

The present invention discloses a terminal relocation method and device, and relates to the field of intelligent driving technology. A specific implementation of the method includes: in response to the relocation operation of the terminal, obtaining the current frame point cloud data collected by the terminal, performing signature processing on the current frame point cloud data, and obtaining the current frame signature; obtaining the frame signature of each key frame point cloud data in the point cloud map, calculating the difference value between the current frame signature and each frame signature, and determining the first preset number of key frame point cloud data in the order of the difference value from small to large; determining the posture of each key frame point cloud data in the first preset number of key frame point cloud data, calculating the matching value and posture transformation value of each key frame point cloud data and the current frame point cloud data; superimposing the posture of the key frame point cloud data with the largest matching degree on the corresponding posture transformation value, and obtaining the current posture of the terminal in the point cloud map. This implementation can realize the effective selection of relocation key frames and ensure the accuracy of the relocation results.

The invention provides a contact hole forming method, a semiconductor device and a chip, and relates to the technical field of semiconductors. The contact hole forming method comprises the following steps: etching a semiconductor device from a contact hole delimiting position on the surface of the semiconductor device, and removing an interlayer dielectric layer and a part of an etching stop layer at the contact hole delimiting position; a metal silicide layer, an etching stop layer and an interlayer dielectric layer are sequentially formed at the delimited position of the contact hole from bottom to top; removing the residual etching stop layer at the delimited position of the contact hole by using a silicon-cobalt-nickel etching process; forming a side wall barrier layer on the side wall of the delimited contact hole, and forming a bottom barrier layer at the bottom of the delimited contact hole; removing a part of the bottom barrier layer by using an etching process; and filling a metal contact material in the delimited contact hole to form the contact hole. According to the invention, the excessive consumption of the metal silicide can be reduced, the lateral growth abnormity of the silicide is prevented, the thickness of the bottom barrier layer and the resistance of the contact hole are reduced, and the performance of the device is improved.

The invention discloses a method for evaluating carbon emission reduction potential in a sludge building material resource utilization process, and belongs to the technical field of solid waste treatment and building materials. According to the method, pretreated dewatered sludge is treated by adopting a biological drying technology and a heat drying technology respectively, the treated dry sludge is incinerated, ground and sieved and is mixed with cement to obtain the cement substitute cementing material, and the total discharge amount of carbon dioxide in the cementing material production process is calculated comprehensively, so that the cement substitute cementing material is obtained. And obtaining unit compressive strength carbon emission according to the compressive strength of the mortar test block to evaluate the carbon emission reduction potential. According to the method, indexes for evaluating the carbon emission reduction potential of different treatment processes are provided for the building industry, so that low-carbon emission treatment processes and high-strength materials are selected, and the method has great significance on sustainable development of the building industry.

A wet electrostatic precipitator (ESP) control method, apparatus, electronic equipment, and storage medium are disclosed, relating to the field of flue gas treatment technology. The method includes: real-time acquisition of the turbidity of the discharged wastewater, the pH value of the circulating water, the flow rate of the spray water, and the dust concentration, temperature, and humidity values ​​at the flue gas inlet from the wet ESP; querying a preset parameter mapping table based on the dust concentration, temperature, and humidity values ​​to obtain a set of operating parameters corresponding to the current flue gas conditions, including a target power supply voltage, a target spray frequency, and a target cumulative discharge threshold; and implementing intelligent control based on the acquired values ​​and the set of operating parameters. The intelligent control includes three modes: coordinated correction of water and electricity parameters, coordinated water and electricity safety, and adaptive discharge. Through real-time monitoring and multi-parameter linkage adjustment, dynamic optimization of the power supply voltage, spray frequency, and discharge operation is achieved. Implementing this technical solution improves the stability of the wet ESP.

The invention discloses an intelligent scheduling system and method for the passage of unmanned logistics vehicles in a park, and particularly relates to the technical field of intelligent scheduling. All scheduling data are stored through a decentralized block chain network, each unmanned logistics vehicle is connected with a block chain, whether information circulation is necessary is judged according to the use scene of the unmanned logistics vehicle, and if yes, the unmanned logistics vehicle passes through the block chain; activating an information interaction mechanism, screening out vehicles needing to perform information interaction with the target unmanned logistics vehicle through interaction analysis, and obtaining a corresponding database combination from the block chain; based on the database combination, using a pre-trained neural network model to extract restriction features, and generating a restriction condition set; using a genetic algorithm to optimize the scheduling path of the target vehicle based on a limiting condition, and updating the scheduling path to the block chain network; whether the target vehicle and the surrounding vehicles have the necessity of information circulation can be accurately judged, an information interaction mechanism is started when necessary, and effective coordination work among the vehicles can be ensured.

The utility model discloses a regenerated paper pulp beating pool provided with an impurity eliminating mechanism, which comprises a paper pulp pool, an impurity eliminating mechanism, a paper pulp beating mechanism and an impurity eliminating mechanism, and is characterized in that the paper pulp pool is of a rectangular pool-shaped structure and contains regenerated paper pulp solution; the beating cylinder is located above the paper pulp pool, and the beating cylinder is used for beating recycled paper raw materials. According to the recycled paper pulp beating pool with the impurity eliminating mechanism, a sealing auxiliary ring and a sealing bottom plate are pulled through a hydraulic column, a sealing environment is provided for the interior of the beating cylinder, and waste paper raw materials entering the beating cylinder can be beaten conveniently; a sealing bottom plate arranged at the bottom end in the pulping cylinder is matched with a driving motor to drive a smashing blade and a spiral stirring blade to fully stir and fuse raw materials and clear water in the pulping cylinder, so that the raw materials become pasty regenerated paper pulp, and the raw materials are stirred and mixed again along with the smashing blade and the spiral stirring blade along with secondary injection of the clear water; the impurities flow into the paper pulp pool along with opening of the sealing bottom plate and are flushed by clear water to float on the surface layer of regenerated paper pulp.

The present application relates to the technical field of boiler integrated heat supply, and discloses a gas-electric dual-purpose skid-mounted boiler integrated heat supply device, which comprises a heating furnace body, an oil inlet end and an oil outlet end fixedly communicated with the heating furnace body, and a water inlet and a water outlet fixedly communicated with the heating furnace body; a start motor drives a reciprocating screw rod to rotate; a sleeve ring reciprocates along the screw rod shaft; each push ring is driven to synchronously slide up and down along the outer wall of a vertical smoke pipe; the inner edge of the push ring always keeps sliding contact with the outer wall of the smoke pipe; in the process of reciprocating sliding, the push ring can continuously scrape off the scale layer adhered to the outer surface of the vertical smoke pipe, effectively inhibits the accumulation and thickening of the scale on the heat exchange surface of the smoke pipe, thereby avoiding the attenuation of the heat transfer efficiency caused by the increase of the scale layer thermal resistance, keeping the apparent heat transfer coefficient between the vertical smoke pipe and the water medium stable in long-term operation, significantly prolonging the efficient operation period of the heating furnace body under the condition of no cleaning, and reducing the excessive consumption of fuel caused by scaling.

The invention relates to the technical field of image color processing, in particular to a color deviation correction method and system in a package printing process, which comprises the following steps of: acquiring a design area picture, scanning a printing package to obtain a printing package picture, recording printing ink quantity, printing speed and printing pressure, mapping the printing package picture according to the design area picture, and obtaining a color deviation correction result; the method comprises the steps of obtaining a printing area picture, comparing the printing area picture with a design area picture to obtain a deviation area group set and a normal area group set, and repeatedly obtaining the deviation area group set and the normal area group set according to the total area group number of the deviation area group set and the normal area group set. And constructing a color deviation correction model by utilizing the deviation area set and the normal area set, and adjusting the printing machine based on the color deviation correction model to obtain a corrected printing machine. The intelligent degree of color deviation correction in the packaging and printing process can be improved, and excessive consumption of time and manpower resources is reduced.

The utility model discloses a high-speed railway tunnel inverted arch base cleaning iron broom device, which belongs to the field of high-speed railway tunnel construction design, and comprises a cleaning assembly and a moving assembly, the cleaning assembly comprises a steel strand, steel plates are fixedly arranged above and below the steel strand, the steel plates are connected with the moving assembly, and the moving assembly comprises excavator bucket teeth. And the excavator bucket tooth is connected with a bucket tooth root on the excavator bucket. According to the iron broom device for cleaning the inverted arch base of the high-speed railway tunnel, the cut-off steel strand serves as the broom bristles, the steel plate is used for clamping and fixedly combining the bucket teeth of an excavator to be welded into the broom head, and the broom head is fixed to the bucket teeth of the excavator through the bucket teeth and the bucket tooth root plug pins. The soft surrounding rock inverted arch base cleaning iron broom device is formed, the tunnel bottom is cleaned through excavator operation, local materials can be used, installation is convenient and fast, operation is easy, disturbance to the tunnel bottom surrounding rock body is effectively reduced, manual ballast cleaning and loosening are replaced, the work efficiency is remarkably improved, excessive consumption is reduced, and the overall effect is remarkable.

The invention relates to the technical field of animal image recognition, and discloses a multi-target recognition method and system based on animal image features, and the method comprises the steps: obtaining a to-be-recognized animal image and a target animal ID set, obtaining a standard animal image group set based on the target animal ID set, and recognizing a same-family animal image group in the standard animal image group set based on the target animal ID, the method comprises the following steps: carrying out balanced graying on a same-family animal image to obtain a gray-scale animal image, obtaining a target contour feature value and a target gray-scale feature value group based on the gray-scale animal image, carrying out key value pairing on a target animal ID, the target contour feature value and the target gray-scale feature value group to obtain a target animal feature group set, and carrying out key value pairing on the target animal ID, the target contour feature value and the target gray-scale feature value group based on the target animal feature group set. And obtaining a target animal identification model, and obtaining a multi-target animal image by using the target animal identification model. According to the invention, the accuracy of animal image multi-target recognition can be improved, and excessive consumption of time and human resources is reduced.

The invention relates to the technical field of cement manufacturing, and particularly discloses a composite grading grinding process and a preparation mechanism, and the composite grading grinding process comprises the following steps: S1, primary grading and mixing of A grinding materials; s2, fine screening of a V-shaped powder concentrator; s3, mixing and rolling materials in the middle bin; s4, grinding and grading of a cement grinding mill; s5, grinding and re-grading of the B mill; s6, superfine grinding powder selection and particle optimization; s7, intelligent control and online adjustment are carried out; according to the invention, through multiple grading and grinding, material uniformity is ensured, and uniformity of cement particle gradation is improved, so that cement quality is improved, through accurate grading and grinding, excessive grinding and insufficient grinding of the material are avoided, energy consumption and waste are reduced, a material with poor activity and good grindability is used as a filling material, the use amount of a high-activity material is saved, and the production cost is reduced. An efficient grinding process and an intelligent control system reduce unnecessary energy consumption, carbon emission is reduced, and the environmental influence of cement production is reduced through selection of green raw materials and resource utilization of waste.

The invention relates to the technical field of magnesium alloy surface treatment, and discloses a micro-arc oxidation electrolyte and a magnesium alloy surface treatment method. The micro-arc oxidation electrolyte comprises the following components by concentration: 50-200 g / L of a film-forming agent; 20-80 g / L of an auxiliary film-forming agent; 1 to 50 mL / L of an additive; a solvent of the micro-arc oxidation electrolyte is water. The magnesium alloy surface treatment method comprises the following steps: S1, pretreating a magnesium alloy workpiece to obtain a pretreated magnesium alloy sample; and S2, the pretreated magnesium alloy sample serves as an anode, a stainless steel plate serves as a cathode, the pretreated magnesium alloy sample and the stainless steel plate are placed in the micro-arc oxidation electrolyte, and a direct-current pulse power source is adopted for micro-arc oxidation treatment. The micro-arc oxidation electrolyte provided by the invention is simple in composition, the magnesium alloy surface treatment method under the low-voltage condition provided by the invention can form a compact and uniformly-distributed nanosheet structure on the magnesium alloy surface, the preparation process is simplified, and the production efficiency is improved.

The invention belongs to the technical field of lithium ion batteries, and particularly relates to a water-based composite binder for a silicon-carbon negative electrode of a lithium ion battery, a preparation method of the water-based composite binder and a battery containing the water-based composite binder. The water-based composite binder comprises the following three components: a first component which is a compound containing guanidine bonds and salts thereof; the second component is a chain derivative of glutamic acid; and the third component is a derivative of polystyrene. The composite binder suitable for the lithium ion battery silicon-carbon negative electrode is obtained, and the cycling stability and the rate capability can be improved. A chain derivative containing guanidine bonds and a chain derivative of glutamic acid are associated through hydrogen bonds to construct a polar functional group for inducing a solid and non-negative electrode solid electrolyte interface and a soft chain for buffering volume expansion. Meanwhile, the hard-chain polystyrene derivative containing the benzene ring provides a strong bonding effect for the composite binder. And the soft chain and the hard chain act simultaneously to wrap the silicon-carbon negative electrode, so that the volume expansion is greatly buffered. The water-based composite binder is simple and convenient to prepare, the raw materials are economical, and the water-based composite binder is green and environment-friendly by taking deionized water as a solvent. The aqueous composite binder can effectively improve the processability and the electrochemical performance of the silicon-carbon negative electrode of the lithium ion battery, and has a good commercial application prospect.

The present invention discloses a constant pressure insulation box for infusion bags, which relates to the technical field of medical devices, and aims to solve the technical problem that it is difficult to effectively recover heat and air pressure in the existing constant pressure insulation box when it is opened. The constant pressure insulation box includes a box shell, a lock, a groove and a top cover arranged outside the box shell, wherein the box shell is connected to the top cover through the lock, the top cover is located above the box shell, and the groove is arranged outside the box shell. When the present invention is opened and the infusion bag is stored inside, the air and heat inside the box can be automatically extracted and preserved, and when the storage is completed and the infusion bag is transported again, the device can automatically discharge the gas and heat stored inside the device, thereby realizing the resource recovery and reuse of air and heat, avoiding the leakage of internal heat and air when the device is opened, and reducing the excessive consumption and waste of resources.

This utility model provides a device for preventing rebound of shotcrete in tunnels, including a main frame, a strong magnetic base, a barrier net, a jacking mechanism, a scraper plate, and hydraulic struts. After the steel arch frame is erected in the tunnel and before concrete spraying, the main frame is attached to the steel arch frame, and the anti-rebound device is attached to the surface of the steel arch frame using the strong magnetic base. Concrete is sprayed by placing the nozzle inside the barrier net, which effectively intercepts rebound particles and prevents the fresh layer from falling off. After spraying, the jacking mechanism pushes the scraper plate to move repeatedly, smoothing the sprayed concrete. This greatly reduces the amount of rebound of the shotcrete, saves concrete usage, reduces construction costs, and improves the construction quality of shotcrete.

The invention discloses a block chain cross-chain data penetration type supervision method based on attribute encryption, and the method comprises the following steps: monitoring a data access request in a cross-chain environment, and transmitting the received request to a collaborative encryption module; the data verification module receives the attribute vector, calls a verification mark stored on the chain for comparison, and ensures that the user meets an access condition; a zero-knowledge proving technology is adopted to further verify the user permission; encrypting and decrypting under-chain data; the decrypted data is transmitted to the user side through the secure transmission channel, so that the security of the data in the transmission process is ensured; and dynamically adjusting the authority strategy. According to the method, the OC-ABE is combined, the system efficiency is improved, the flexibility of authority management, the data privacy and the compliance transparency are improved, and the method is an ideal choice for realizing efficient and safe cross-chain data supervision in a multi-chain environment.

The utility model discloses a punch hammer structure of a high-energy hydraulic down-the-hole hammer, and relates to the field of geothermal drilling. The device comprises a piston rod, a butt joint and a punch hammer, inserting grooves are symmetrically formed in the two ends of the butt joint in a mirror symmetry mode, the inserting grooves are coaxially formed in the butt joint, and the diameter of a groove opening in the depth direction of each inserting groove is larger than that of the bottom of each inserting groove; plugs are arranged on the outer wall of the punch hammer and the outer wall of the piston rod, correspond to the insertion grooves in shape and are connected with the insertion grooves in an inserted mode; the outer wall of the punch hammer is sleeved with a sleeve, and a lubricating groove is formed in the end face of the sleeve and filled with lubricating oil. The utility model has the benefits that the butt joint is connected with the piston rod and the punch hammer through the slot, the conical surface structure of the slot enables the piston rod and the punch hammer to be more firmly connected with the butt joint along with the impact operation, and the punch hammer impacts and lubricates the hammer head through the sleeve, so that the abrasion is reduced, the use performance is improved, the sleeve is easy to disassemble, assemble and replace, and the use cost is reduced.

The silicon plate cooling mechanism comprises an installation frame and a heat exchanger, a circulating pump is arranged on one side of the outer portion of the installation frame, a second transmission heat pipe is arranged in the middle of the inner side of the circulating pump, and a second transmission heat pipe and a fourth transmission heat pipe are arranged on the two sides of the heat exchanger respectively. A cooling device is arranged at the outer end of the fourth transmission heat pipe, a limiting frame is arranged on the periphery of the top of the mounting frame, and a baffle frame is arranged on the upper portion of the inner side of the limiting frame. A liquid coolant which can take away heat on the surface of the silicon plate body in the cooling circulation pipeline sequentially passes through the first transmission heat pipe, the circulation pump and the second transmission heat pipe to reach the heat exchanger, the heat exchanger collects the heat discharged in the cooling process of the silicon plate body for preheating working fluid, heating or other purposes, and excessive consumption of the heat is reduced.

The invention relates to the technical field of cleaning equipment operation data analysis, and discloses a cleaning equipment operation data analysis method and system, which can identify the ground type and generate a corresponding environment identifier by acquiring ground reflection light characteristic information. In combination with the ground cleanliness sensor data and the position information of the cleaning equipment, the system can inquire the environment identifier corresponding to the sensor data. On the basis, whether signal fluctuation is caused by environmental reflection characteristics or not is judged by analyzing signal fluctuation characteristics of sensor data according to environmental identification and the signal fluctuation characteristics. The judgment mechanism effectively solves the problem of sensor data misjudgment caused by a high-reflectivity ground material in the prior art.