4936results about How to "Reduce use cost" patented technology

The invention discloses an expressway service area sewage treatment system based on the Internet of Things, and relates to the technical field of sewage treatment.The expressway service area sewage treatment system is provided with a multi-modal sensor and an edge computing unit, real-time monitoring and data processing of sewage flow and water quality parameters are achieved, the water quality change trend and the parameter change rate are rapidly recognized, and the sewage treatment efficiency is improved. The sensing capacity of the system to load changes is remarkably improved, the system conducts real-time adjustment according to the water quality changes, fluctuation of the treatment effect and waste of energy consumption are avoided, an LSTM model is adopted for conducting dynamic prediction on water quality parameters, in combination with real-time monitoring data, the aeration strategy is optimized through intelligent self-adaptive adjustment and closed-loop fine control, and the aeration efficiency is improved. The LSTM model can predict the future sewage load and ammonia nitrogen concentration change, the aeration intensity and time are adjusted in advance, the fluctuation of the ammonia nitrogen concentration is quickly responded through PID control and closed-loop control of a feedback mechanism, and the ammonia nitrogen removal efficiency and the aeration accuracy are improved.

The invention relates to the technical field of fuel gas safety, and discloses an intelligent fuel gas safety valve and a method for intelligently opening and closing the safety valve, and the intelligent fuel gas safety valve comprises a sensor unit which is configured to be installed near a fuel gas pipeline or fuel gas equipment; the control unit is in communication connection with the sensor unit; the execution unit is in communication connection with the control unit; the communication unit is in communication connection with the control unit; and the standby power supply is used for providing emergency power for the intelligent gas safety valve when the main power supply fails or is powered off. The concentration, the pressure, the temperature and the flow of the fuel gas are monitored in real time through the sensor unit, the system can quickly send out an instruction for closing the valve when detecting abnormal conditions (such as gas leakage and too high or too low pressure), and accidents such as fire disasters or explosions caused by fuel gas leakage are effectively prevented. The system monitors a plurality of key parameters of the gas system through a plurality of sensors in a combined mode, and a multi-level safety guarantee mechanism is formed.

The invention relates to the field of constructional engineering, and discloses an assembly type reinforced concrete-steel structure foundation pit supporting system convenient to disassemble and a construction technology, and the assembly type reinforced concrete-steel structure foundation pit supporting system comprises a top beam, a waist beam, a supporting pile and an inner supporting system; the inner supporting system is formed by assembling a standard steel-concrete beam section main support and a steel member auxiliary support in cooperation with a jack adjusting system. The invention further provides a new system on-site assembly construction process, namely detailed steps of assembly construction from the uppermost layer to the lower layer step by step. The fabricated structure integrates the advantages of two fabricated structures, is suitable for foundation pit supporting with large stress and strict deformation control, and has the advantages of being high in construction speed, short in construction period, low in construction cost, convenient to dismantle and capable of completely recycling most of inner supporting components compared with a traditional cast-in-place steel-concrete foundation pit supporting system.

The invention relates to an aircraft nose landing gear taxiing and shimmy simulation test bed. The test bed comprises a test device main body structure, a power execution control mechanism, a vibration excitation mechanism and a vibration detection system. The method solves the problems of determination, contrast evaluation and detection analysis of the shimmy influence factors of the nose landing gear of the aircraft. The torsion steering engine is added, so that the turning condition of a ground plane can be simulated. The height-adjustable supporting cross beam can adapt to undercarriages of different sizes only by replacing the undercarriage clamp instead of replacing the whole frame, so that the use cost is greatly reduced. And more accurate data are provided for the design of the nose landing gear of the aircraft.

The invention discloses a skid-mounted modular blending super activated carbon desulfurization and acid-making system and method, and belongs to the technical field of desulfurization and acid-making equipment.The current desulfurization unit is erected on the lower desulfurization unit, the upper desulfurization unit is pushed to rotate, the desulfurization units drive skid-mounted assemblies to deflect through stand columns, and then the desulfurization units are made to conduct desulfurization and acid-making. A clamping plate in the skid-mounted assembly can make contact with a baffle in the side blocking assembly in the rotating process till the clamping plate is attached to the inner wall of the baffle, a sliding plate is extruded through the elastic force effect of two springs in a sliding way, the sliding plate drives the clamping plate to be clamped into an operation hole, the clamping plate is limited through the operation hole, and the position of a stand column can be locked; and other desulfurization units can be mounted in the same way, so that the aim of carrying out modular assembly on the plurality of desulfurization units can be fulfilled, the desulfurization and acid making work by using a traditional integrally designed desulfurization tower is abandoned, and the stacking and maintenance work of the desulfurization units is facilitated.

A non-contact three-dimensional displacement sensor disclosed by the present invention comprises a mechanical probe and a detection circuit, the mechanical probe part comprises a differential fixed block and an end cross beam, and two parallel inner side surfaces of the differential fixed block are fixedly provided with a first differential coil and a second differential coil respectively. A first target conductor located under the first differential coil is fixedly arranged on the top face of the suspension end of the cross beam, and a second target conductor located over the second differential coil is fixedly arranged on the bottom face of the suspension end of the cross beam. A pair of receiving coils Lx is fixedly arranged on the top face of the first target conductor or / and the bottom face of the second target conductor in the horizontal x direction, a pair of receiving coils Ly is fixedly arranged in the horizontal y direction, and the two pairs of receiving coils form a structure shaped like a Chinese character'jing '. The non-contact three-dimensional displacement sensor provided by the invention has better quasi-static resolution and displacement sensitivity in three directions, realizes decoupling in all directions, and has excellent performance in indexes such as linearity, measuring range and the like.

The invention relates to a foam defoaming method and system suitable for a slurry pool in waste gas desulfurization, and belongs to the technical field of waste gas desulfurization. The foam defoaming method comprises the following steps: collecting image information of the slurry pool; according to the image information, whether foam exists in the pulp chest or not is judged; if yes, the current slurry pressure and the current slurry concentration in the slurry pool are obtained; inputting the current slurry pressure and the current slurry concentration into a pre-constructed defoaming agent first feeding amount prediction model to obtain a first prediction amount of defoaming agent feeding; and putting a defoaming agent into the pulp chest according to the first predicted quantity. The method has the beneficial effects that the human efficiency is improved, and the dependence on the experience of personnel is reduced.

The invention relates to an ultralight and ultrahigh-storage-ratio flexible solar wing, and belongs to the technical field of solar wing devices. The device comprises two solar box blankets, two scissor rods, two single-fork hinges, a pressing device and a lifting rod. Wherein the lifting rod is axially and horizontally placed; the two solar box blankets are axially and symmetrically arranged on the two sides of the lifting rod in parallel. The middle positions of the opposite side walls of the two solar box blankets are each provided with a scissor rod. A single-fork hinge is mounted at the bottom of each scissor rod; the two single-fork hinges are in butt joint with the lifting rod from the two sides of the lifting rod respectively. A pressing device is arranged on the side wall of the solar box blanket; clamping of the solar box blanket structure is achieved through the pressing device; the flexible solar wing has the advantages of being light in weight, small in folding size, good in configuration expandability and the like.

The invention provides a method for efficiently synthesizing basic nickel carbonate, and belongs to the technical field of chemical preparation. Comprising the following steps: (1) preparing a mixed solution of sodium carbonate and sodium hydroxide; (2) under low-temperature and high-speed stirring conditions, dropwise adding a nickel salt solution into the mixed solution, adding a competitive adsorbent, adjusting the pH value of the solution, then heating, continuing stirring reaction, separating the competitive adsorbent by a magnet, centrifuging, washing and collecting prepared primary basic nickel carbonate; and (3) recrystallizing the primary basic nickel carbonate in an ethanol water solution, and drying to obtain the basic nickel carbonate. According to the preparation method disclosed by the invention, the content of impurity ions in the product is reduced, so that the high-purity basic nickel carbonate can be prepared, the synthesis efficiency is high, the production cost is relatively low, the method is green and environment-friendly, the competitive adsorbent can also be repeatedly utilized and recycled, the production cost is reduced, and the method has a wide application prospect.

The invention discloses a novel compressed air energy storage system which comprises a constant-pressure diaphragm air pressure tank, an air compression energy release subsystem and a working medium gas gas-liquid conversion subsystem and has the advantages that two energy storage media are adopted, air serves as a main medium for compression expansion power generation, and working medium gas serves as a medium with stable pressure and does not participate in acting; alternation of air and working medium gas in the tank is completed through gas film contraction / expansion, and the pressure stabilizing effect of the two stages of energy storage and energy release is achieved; air is adopted for compression and expansion power generation at the energy storage and release end, compared with traditional carbon dioxide energy storage, a large carbon dioxide air storage bin at the low-pressure end of traditional carbon dioxide energy storage is removed and replaced with inexhaustible air, the air is directly discharged into the atmosphere in the energy release stage, and the equipment cost and the medium cost of the low-pressure air storage end are greatly reduced.

The invention discloses an intelligent power conversion cabinet control system and a power conversion cabinet, and relates to the technical field of power conversion cabinet control, and the system comprises a user interaction module, a touch screen and voice recognition convenient operation, and multilingual interaction; the battery management module is used for accurately monitoring parameters, quickly early warning abnormity and intelligently regulating and controlling charging and discharging; the battery replacement control module is high in identity verification speed and stable, accurate and fast in battery replacement operation; the data storage and analysis module is used for mass data storage and deep mining; the communication module is used for realizing dual-mode stable transmission and encrypted cache; the cabinet body comprises a plurality of battery cabins, the protection is comprehensive, the heat dissipation is intelligent, the modular design is beneficial to expansion, and the high-speed bus is strongly connected. The system is convenient in interaction and efficient in battery replacement. The battery management is accurate, the service life is prolonged, the data-driven operation is optimized, the communication is safe and stable, the remote monitoring is convenient, the cabinet body design is reasonable, the protection and heat dissipation are good, the modularization is flexible, the battery replacement service experience and operation benefits are powerfully improved, and the development of the intelligent battery replacement field is promoted.

The invention provides an automatic forming device for offshore wind power flange production and a method thereof, and relates to the field of wind power flange production.The automatic forming device comprises an outer shell, a left base, a right base, a placement table, a forging mechanism and a ring rolling mechanism, and the left base and the right base are arranged on the two sides of the inner wall of the bottom of the outer shell correspondingly; a placing table is arranged between the left base and the right base, four sets of positioning mechanisms are distributed on the outer side of the placing table in an annular array mode with the center line of the placing table as the center, and a frame-shaped collecting groove is formed in the outer side of each positioning mechanism; the forging mechanism and the ring rolling mechanism are installed in the same outer shell at the same time, forging and ring rolling are integrally designed, ring rolling work is directly carried out after forging is completed, transferring is not needed, convenience is achieved, meanwhile, the position relation between the forging mechanism and the ring rolling mechanism is fully considered, it is guaranteed that the forging mechanism and the ring rolling mechanism do not conflict in work, and the machining efficiency is improved. And the middle transportation process is reduced, so that the forming rate of the material blank is increased.

The invention relates to a preparation method of a universal super-hydrophobic fluoride-free waterproof agent with strong washability. According to the method, a polymeric monomer and a polymerizable silane coupling agent are subjected to free radical copolymerization or polycondensation to obtain an emulsion A, and a silanol-based compound formed by hydrolysis of the silane coupling agent interacts with the surface of a fiber base material to enhance the adhesive force of microspheres on the fiber surface; meanwhile, organic silicon in the emulsion B is cured on the surfaces of the polymer microspheres and the fibers to form a film, so that the firmness of the fabric is further enhanced, and the washability of the fabric is remarkably improved while an excellent hydrophobic effect is ensured. According to the invention, simplification and batch production of the production process are effectively realized, and meanwhile, the requirements of modern industry on economic and green production are met.

The invention discloses an intelligent water pump group scheduling system and method based on irrigation demand response, and aims to solve the problems of complex scheduling, heavy communication burden and uneven upstream and downstream water supply of a small watershed distributed pump station group. The method comprises the following steps: acquiring crop water demand, weather and soil data, and calculating irrigation demand; establishing a water pump operation and photovoltaic power generation output model; then, on the premise that the photovoltaic power generation utilization rate is maximum, water pump irrigation power is preliminarily distributed, and surplus or vacant electric power is treated; and finally, monitoring water volume, water level and photovoltaic power generation data in real time, and dynamically adjusting the pumping power of the water pump. Through intelligent decision making and dynamic adjustment, the irrigation requirement is met, the problem that downstream water supply is insufficient due to upstream excessive water pumping is effectively avoided, meanwhile, power use is optimized, the external power introduction cost is reduced, and dual optimization of irrigation and power use is achieved.

The embodiment of the invention relates to the technical field of photovoltaic, and provides a manufacturing method of a photovoltaic module, which is at least beneficial to improving the reliability of the photovoltaic module. The manufacturing method comprises the steps that a first adhesive film layer and a second adhesive film layer are laid on a first cover plate, the first adhesive film layer covers the surface of the first cover plate, the second adhesive film layer is located on the first adhesive film layer, the second adhesive film layer is provided with a plurality of hollowed-out parts arranged in the first direction, and the hollowed-out parts and the first adhesive film layer define a containing groove; the thickness of the first adhesive film layer is greater than that of the second adhesive film layer; battery pieces are laid, the multiple battery pieces are in one-to-one correspondence with the containing grooves, and the adjacent battery pieces are sequentially connected through interconnection parts; laying a third adhesive film layer and a second cover plate on the battery piece to form a to-be-laminated piece; and laminating the to-be-laminated piece.

The invention relates to a lithium ion battery grouping method. The method comprises the following steps: performing low-current formation charging on battery cells, and monitoring and removing abnormal battery cells; then carrying out aging treatment and screening abnormal battery cells; based on the relationship between the voltage and the state of charge, adjusting the electric quantity of the battery cell and evaluating the capacity of the single battery cell through a series of tests; finally, the evaluated battery cells form a battery pack, the overall performance of the battery pack is detected by calculating the voltage difference and large-current pulse discharge impedance, grouping is completed, and effective evaluation and guarantee of the battery performance are achieved. Compared with the prior art, the method has the advantages that the electric quantity is directly adjusted to the shipment electric quantity requirement by adopting a simple process step after the battery cell formation is finished, the traditional full-full discharge capacity test process step is replaced, and control means such as voltage difference and DCR are introduced in the process are replaced, and on the basis of ensuring the battery consistency and capacity, the battery cell production and manufacturing time is shortened, and the cost is greatly reduced.

The invention discloses an oscillating water column array fan coupling power generation device capable of adapting to tide level changes, belongs to the field of energy utilization equipment, and solves the problems that in the prior art, the wave energy flow density of partial sea areas is low, and the power generation efficiency of an existing OWC wave energy conversion device is low. According to the technical scheme, an inner cavity is formed in the shared gas chamber; a plurality of oscillating water columns are arranged; each oscillating water column is a hollow tubular column body with openings in two ends, and the opening in one end of each oscillating water column is communicated with the inner cavity of the shared air chamber; and the inner cavity of the shared air chamber is communicated with the power input end of the turbine device. The system has the beneficial effects that multi-element energy utilization is realized, and different natural resources are fully utilized. And the volatility of the power system is reduced. When the output of the wind energy or the wave energy is unstable, the other energy may be in a high-output state, so that the power supply of the system is balanced, and the instability of the power system is reduced.

The invention discloses an electrocatalyst material for in-situ production of hydrogen peroxide through oxygen reduction as well as a preparation method and application of the electrocatalyst material, and belongs to the field of organic wastewater treatment. MoS2 / Fe porous conductive particles and a high-molecular polymer are adopted as main components, and ethanedioate and polyacrylamide are combined as a dispersion auxiliary solvent and a pore-forming agent to form a three-dimensional composite conductive catalyst material; through ultralow-temperature freeze drying and microwave radiation technologies, the material structure is optimized, the catalytic reaction active sites are improved, and efficient electrocatalytic oxygen reduction for in-situ production of hydrogen peroxide is realized; the MoS2 / Fe porous conductive particles not only optimize the performance of the catalyst, but also realize high-valued utilization of solid wastes; the electrocatalyst material has excellent conductivity, catalytic activity and organic wastewater degradation capability, is stable in removal effect before and after use, can be repeatedly used for multiple times, reduces the use cost, and provides a wide application prospect for the fields of environmental protection, energy and the like.

The invention discloses an air-sea coupling data sampling method based on an asynchronous cross iteration random sampling strategy, and belongs to the technical field of marine meteorology. According to the invention, through an asynchronous cross iteration random sampling strategy, many defects in the existing air-sea coupling modeling method are overcome, and the method has significant advantages in the aspects of data sampling efficiency, model precision, computing resource utilization rate and the like. In order to improve the data sampling efficiency, a sliding time window and a random sampling mechanism are adopted, the hysteresis effect and randomness between atmosphere and ocean variables are simulated, and meanwhile, the sampling efficiency is remarkably improved by using an asynchronous cross iteration strategy. Through a multi-card asynchronous scheduling and non-blocking sampling mechanism, each computing node can complete a sampling task in parallel, and compared with a traditional serial sampling method, the sampling efficiency is improved by about 30%. The mechanism of dynamically adjusting the sampling weight concentrates resources to pay attention to a high-error area, redundant sampling of irrelevant or low-influence data is avoided, and waste of computing resources is further reduced.

The invention relates to the technical field of auxiliary paper marking, and particularly provides an intelligent paper marking method based on a large language model and optical character recognition. The method comprises the steps that test paper and answers are processed through a large language model, test question analysis texts are obtained, and the test question analysis texts comprise analysis texts of the answers; processing the test paper image needing to be marked through an optical character recognition technology to obtain a corresponding answer text; and through comparison of the test question analysis text and the answer text, score data of each question is determined, and the score data comprises scores and comments. According to the intelligent paper marking method provided by the invention, the problem of low paper marking accuracy of an intelligent paper marking method in related technologies can be solved.

The invention discloses a titanium alloy weld joint fatigue life prediction method considering plasma welding process key parameters and a loading mode, and relates to the technical field of welding. Comprising the following three parts: firstly, detecting internal defect total information of a welding component with known process parameters by controlling welding process parameters and using a combined welding seam defect detection method; secondly, establishing a data model between the process parameters and the defect information of the welding component through a correlation analysis and random modeling method; and finally, through a fatigue experiment and high-precision simulation, establishing a prediction method for the fatigue life of the titanium alloy in consideration of the process parameters and the loading form. According to the method, the fatigue life of the weld joint structure under the action of the complex load stress spectrum can be predicted, the fatigue performance of the structure can be completely and accurately evaluated, guidance can be provided for welding engineers, optimization of welding design, selection of a proper welding process and adoption of corresponding post-welding treatment measures are helped, and the welding quality is improved. The fatigue performance of the welding seam structure is improved; and the service life is prolonged.

The invention discloses a disk data encryption and decryption method and device, equipment and a storage medium, and relates to the technical field of information security, and the disk data encryption and decryption method comprises the following steps: sending a first key to a volume encryption application component through a virtual computing node controller program by using a virtual encryption volume constructed based on a created virtual machine mirror image; triggering an encryption and decryption thread handle pool creation process by using an encrypted second key obtained based on the first key through the volume encryption application component; when encryption task information is received through the password management component, determining a first target password computing resource chain table based on an encryption and decryption thread handle pool corresponding to the encryption task information, and performing data encryption by using a resource chain table scheduling rule and the first target password computing resource chain table to complete disk data writing; when decryption task information is received through the password management component, the resource chain table scheduling rule and the second target password are used for computing the resource chain table for decryption, and data reading is completed. And the encryption and decryption efficiency is effectively improved.

The invention discloses a measuring device and a measuring method for field runoff plot soil erosion monitoring, the device comprises a sediment measuring device, a water measuring device and a protective cover, the sediment measuring device realizes sediment filtration and weight measurement through a filter funnel and a scale, and the water measuring device accurately calculates the water amount by using a double-tipping-bucket container and a sensor. The protection cover ensures that runoff accurately enters the device. The device is also provided with a horizontal test system to ensure the measurement accuracy. The measuring method comprises two steps of preparation before work and a working process, specifically, firstly, a proper position is selected to place the device and leveled, then silt and water generated in a runoff plot are monitored, the silt is separated through the filtering funnel, the weight is measured, meanwhile, the water amount is calculated through the double-tipping-bucket container and the sensor, and finally flowing water is guided out through the drainage system, so that monitoring is completed. The device is compact in structure and simple and convenient to operate, can accurately monitor the soil erosion condition of the field runoff plot in real time, and provides powerful support for water and soil conservation and ecological environment research.

The invention discloses coconut juice processing equipment, and particularly relates to the technical field of coconut juice processing, and the coconut juice processing equipment comprises a processing equipment body and a material mixing assembly; the processing equipment body comprises a barrel body; the material mixing assembly is arranged on the barrel body; the mixing assembly comprises a U-shaped bracket, a fixed seat, a servo motor, a transmission shaft, a movable groove, a movable ball, a transmission rod, a connecting rod and a stirring rod; the plurality of U-shaped brackets are fixedly arranged on the outer surface of the barrel body in an annular array; the fixed seat is fixedly arranged among the plurality of U-shaped brackets; the servo motor is fixedly arranged on the fixed seat through a motor seat; the transmission shaft rotationally penetrates through the fixed seat; a movable groove is formed in the top face of the can body. The movable ball is movably arranged in the movable groove in a penetrating manner; the transmission rod penetrates through the movable ball; the connecting rod is fixedly arranged on the transmission shaft; the stirring rod is fixedly connected with one end of the transmission rod; the device is ingenious and reasonable in design, the position of the stirring rod can be changed while coconut juice is mixed and stirred, the use cost is reduced, and the processing and mixing efficiency of the coconut juice can be improved.

The invention relates to the technical field of special-shaped pipe machining, and discloses a special-shaped pipe three-dimensional laser cutting and welding integrated device which comprises a base, a laser cutting device, a laser cutting device, a laser cutting device and a laser cutting device. A third motor is installed at the top of the supporting assembly, the output end of the third motor is connected with an adjusting plate, sleeves are installed on the two sides of the adjusting plate correspondingly, and a cutting head and a welding head are arranged in the sleeves on the two sides correspondingly. The moving mechanism is used for driving the clamping assembly and the special-shaped pipe to move to be close to the sleeve. The special-shaped pipe can be clamped and rotated through the clamping set, the special-shaped pipe is driven by the moving mechanism or the driving mechanism to move, the adjusting plate is driven by the third motor to move the cutting head or the welding head to the position over the base, and therefore cutting and welding of the special-shaped pipe can be conducted on the same equipment, and the occupied space of the equipment is reduced; the use cost is reduced.

The invention relates to an adjustable computer heat dissipation device and a heat dissipation method.The adjustable computer heat dissipation device comprises a computer mainframe box, a heat dissipation module, an adjusting module and a controller, the heat dissipation module is fixedly connected with an installation assembly, the heat dissipation module comprises fan blades and cooling fins, the fan blades are electrically connected with a driving part, and the driving part is connected with the installation assembly; the adjusting module comprises a replacement plate, a heat dissipation cavity is formed in the replacement plate, a plurality of air flow pipelines are installed in the heat dissipation cavity, the outer side walls of the air flow pipelines are sleeved with deformable rings, energy storage cavities are formed between the air flow pipelines and the deformable rings, and through holes are formed in one ends of the air flow pipelines; the controller is in signal connection with a monitoring assembly, and the controller adjusts the power of the driving part according to real-time temperature data monitored by the monitoring assembly. Compared with the prior art, the detachable and adjustable design enables the heat dissipation equipment to easily adapt to computer mainframe boxes of different models and specifications, and the heat dissipation performance can be automatically adjusted according to temperature and wind speed data monitored in real time.

The utility model discloses a small-tonnage forklift fork device which comprises an installation assembly, the installation assembly comprises an installation support, and the installation support is connected with a horizontal long shaft. The transverse moving assembly comprises a left-side pallet fork, a right-side pallet fork, a left-side oil cylinder and a right-side oil cylinder; and the hydraulic assembly is respectively communicated with the left oil cylinder and the right oil cylinder. The oil cylinders on the left side and the right side are connected with the pallet forks on the left side and the right side, and then the motion states of the pallet forks can be controlled. The hydraulic assembly is arranged to control the oil cylinders on the left side and the right side to stretch or retract at the same time, so that the distance between the pallet forks on the left side and the right side can be adjusted according to the inserting position distance of a tray. The hydraulic assembly is arranged to control the shortening of the left side oil cylinder and the extension of the right side oil cylinder, so that the left side pallet fork and the right side pallet fork can move leftwards at the same time and can also move rightwards at the same time, the forklift pallet fork device can adapt to different types of pallets and can transversely move cargoes in a narrow space, and the freedom degree of movement of the pallet forks is increased.

The net type atomizer comprises a main body and a spraying assembly covering the main body, the spraying assembly comprises a liquid supply part, a replaceable spraying component, a spraying cover and a cover component, the liquid supply part is arranged above the main body, and a liquid outlet is formed in the side wall, facing the inner side, of the liquid supply part; limiting ribs distributed in the circumferential direction of the liquid outlet are arranged on the outer side of the liquid outlet, the replaceable spraying component is arranged in the limiting ribs and communicated with the liquid outlet, a spraying opening is formed in a cover body of the spraying cover, and the two sides of the cover body extend to surround the replaceable spraying component and are connected with the two side walls of the liquid supply part in a clamped mode to complete splicing. The outer wall of the spraying cover is flush with and matched with the outer edge of the cover component and the outer edge of the main body, the spraying cover surrounds the outer side of the replaceable spraying component and makes contact with the replaceable spraying component so that the liquid outlet, the replaceable spraying component and the spraying opening can form an atomizing channel, the use cost of the net type atomizer can be reduced, and the use experience of a user can be improved.

The present invention belongs to the field of pipeline welding, and in particular, relates to an automatic alignment welding device for fire protection pipelines, including a conveying frame, on which two conveying mechanisms that are symmetrical in front and back are arranged, and a mounting frame is arranged in the middle of the conveying frame, and a first electric push rod is arranged at the lower part of the mounting frame, and a first sliding mechanism is arranged on the mounting frame, and the mounting frame is also provided with three locking mechanisms that are evenly distributed from front to back, and the first sliding mechanism is connected to the locking mechanism at the rear end of the mounting frame. The three groups of locking mechanisms arranged in the present invention can cooperate with the conveying mechanism, and one group of the locking mechanisms can adjust the distance according to the welding requirements, so as to facilitate the fixed alignment operation of the two-section and three-section fire protection pipelines, and the alignment operation is simple and fast, thereby improving the efficiency of the alignment welding of the fire protection pipelines.

The invention provides an unmanned aerial vehicle knocking deicing method and system, and relates to the field of unmanned aerial vehicle deicing, and the method comprises the steps: S1, obtaining the icing state of a power transmission line through a monitoring system, if the icing state is that deicing is needed, entering a step S2, and otherwise, repeating the step S1; s2, acquiring icing data of the power transmission line through the monitoring system, and setting deicing parameters, deicing paths and wiring modes of the deicing unmanned aerial vehicle according to the icing data; s3, the control system controls the deicing unmanned aerial vehicle to conduct deicing operation on the power transmission line according to the deicing parameters, the deicing path and the wiring mode, if the deicing operation is completed, the step S1 is executed again, and if not, the step S3 is repeated. The unmanned aerial vehicle is adopted to suspend the impact rod for deicing, so that the deicing efficiency is greatly improved, the safety risk is remarkably reduced, and the applicability is greatly enhanced.