2770 results about "Spray nozzle" patented technology

The invention discloses a multistage fire-fighting and intelligent heat management combined system and method for an energy storage system, a battery cluster is provided with a single fire extinguishing nozzle, a composite detector monitors the state of the battery cluster in real time, and when any battery cluster meets a spraying condition, the fire extinguishing nozzle is triggered to spray a fire extinguishing material; the internal state of the energy storage cabin is monitored in real time through a composite detector, and when the interior of the energy storage cabin meets the spraying condition, a spraying nozzle is automatically started to continuously spray for preset spraying time; according to the centralized liquid cooling unit, a dual-redundancy compressor is combined with an ethylene glycol aqueous solution circulating system to conduct dynamic flow regulation and control, the opening degree of an electromagnetic valve of the dual-redundancy compressor is dynamically adjusted through a composite detector, and the internal temperature of an energy storage cabin is controlled; dynamically distributing flow according to the energy storage time period by adopting an intelligent temperature control algorithm; after the multi-stage fire-fighting module acts, the centralized liquid cooling unit is started for cooling; when the temperature detected by the composite detector exceeds a high-temperature threshold value, the fan is started for air replacement, and the multi-stage fire-fighting module is triggered to act.

The present invention discloses a multi-functional bionic nasal irrigator, comprising a base, wherein a water pump for pumping water is arranged in the base, a key panel is arranged on an outer surface of the base, and a water pump water outlet pipe orifice connected to the water pump is arranged at the top of the base. A water-mist spray nozzle device and a water-column spray nozzle device that can be flexibly switched and mounted are designed on the base, main motor power is automatically adjusted according to assembling of different spray nozzle devices, the base is connected to the water-mist spray nozzle device and the water-column spray nozzle device both by clamping, and a diameter of a mist point water outlet hole of an atomization sheet is reduced to 0.15-0.26 mm, so that water mist sprayed has a smaller particle size.

The invention relates to a ship repair platform and a using method thereof, and belongs to the technical field of ship repair platforms, the ship repair platform comprises a movable base, an operation mechanical arm, an image recognition system and an intelligent control system, the movable base is provided with a magnetic attraction crawler belt and a hydraulic cylinder, and a vacuum suction cup is installed at the driving end of the hydraulic cylinder; a safety rope ring and a bearing base are fixedly installed on the movable base, the bearing base is rotationally connected with a loading platform, the three operation mechanical arms are evenly installed on the top of the loading platform, the three operation mechanical arms are provided with a high-pressure water gun, a laser rust removal head and a paint spraying nozzle correspondingly, and a device support is fixedly installed on the movable base. The device support is provided with an electric holder. According to the method, the damaged area of the outer wall of the ship body can be automatically recognized, cleaning, dirt removal and paint make-up operation can be accurately executed, the manual intervention requirement is reduced, and the maintenance efficiency is improved.

A nasal spray device comprises a non-pressurized reservoir for containing a liquid formulation; a spray nozzle; and a manually energizable pump, configured to pressurize a quantity of said liquid formulation and causing the liquid formulation to move through the spray nozzle such that the liquid formulation is discharged from the spray nozzle as an aerosol spray. The spray nozzle comprises a membrane having a plurality of micropores of a substantially identical size below 8 micron and beyond 3 micron through which the liquid formulation passes as the liquid formulation is discharged from the device. Said membrane is configured to release said dose of said liquid formulation in a period of at least 500 milliseconds as a conically shaped plume having an apex. An energy of less than 20 Joule / gram is being dissipated in the liquid to preserve the molecular integrity of macromolecules within the liquid.

The invention relates to the technical field of spraying, in particular to a spraying device for combined wardrobe production and a spraying method thereof.The spraying device comprises a spraying mechanism, an adjusting mechanism and a turbulent flow mechanism, the spraying mechanism comprises a spraying room, the upper end of the spraying room is fixedly connected with a conveying belt, and lifting hooks are evenly distributed at the lower end of the conveying belt; the lower ends of the lifting hooks are connected with cabinet body hole plates in a hanging mode, movable bases are arranged on the front side and the rear side of the spraying room, driving bases are fixedly connected to the two ends of the sides, close to the cabinet body hole plates, of the upper ends of the movable bases, and the ends, close to the cabinet body hole plates, of the driving bases and the driving ends are fixedly connected with connecting frames. According to the spraying device, spraying can be conducted in the S shape through the spraying head, the surface of a workpiece is more comprehensively and evenly covered with paint particles, it is guaranteed that the vertical edge of a hole of a cabinet hole plate is evenly sprayed, the spraying head swings up and down in the reciprocating movement process, and then the transverse edge of the hole of the cabinet hole plate is evenly sprayed.

The invention belongs to the technical field of liquid metal coating and infiltration in grinding machining, and particularly relates to a temperature-control ultrasonic composite liquid gallium auxiliary grinding device and method for a micro engine blade, and the device comprises a fluid conveying module, a temperature adjusting module, a machining module, an ultrasonic vibration module and an electromagnetic field generator. Temperature control of liquid gallium is achieved by arranging a microwave cavity and a cooling system, stable supply is guaranteed through inert gas and a liquid gallium conveying pipeline, and uniform coating and ultrasonic vibration infiltration on the surface of the blade of the micro engine are achieved by combining an ultrasonic transduction assembly and a spraying nozzle. The electromagnetic field generator further enhances the adhesion and lubrication effects of the liquid gallium on the grinding wheel and the blades. The defects of insufficient grinding temperature control and lubrication of a traditional grinding wheel are overcome, the grinding temperature rise and the friction coefficient are effectively reduced, thermal damage and surface deformation are avoided, and the machining precision and the surface quality of complex curved surfaces and tenon tooth parts are improved.

One variation of a method includes: advancing an electrode through a coating zone; at a spray nozzle facing the coating zone, depositing a separator material onto the electrode according to a set of spray parameters to form a separator coating on the electrode; accessing an inspection signal representing a characteristic of the separator coating applied to the electrode; based on the inspection signal, interpreting a value of the characteristic of the separator coating applied to the electrode; modifying a second set of spray parameters to compensate for the value of the characteristic of the separator coating applied to the electrode; advancing the electrode through a second coating zone downstream of the coating zone; and at a second spray nozzle facing the second coating zone, depositing the separator material onto the separator coating on the electrode according to the second set of spray parameters to form a second separator coating.

The atomization device comprises a shell, an upper sleeve body, a medicine bottle, a lower sleeve body and a driving mechanism, the upper sleeve body is detachably arranged at the top of the shell, a first space is formed by the upper sleeve body and the shell, and a nozzle is formed in the top of the upper sleeve body; the medicine bottle is arranged in the first space in a replaceable mode, a piston for sealing liquid is arranged in the medicine bottle, and a nozzle module for atomizing liquid is arranged on the top of the medicine bottle. The lower sleeve body is rotatably arranged at the bottom of the shell and forms a second space with the shell; the driving mechanism is arranged in the second space and partially connected with the lower sleeve body. The driving mechanism comprises a push rod which extends to the piston and is connected with the piston. According to the atomization device, the medicine bottle is efficiently and conveniently replaced, the device can be repeatedly used, and the use cost of a patient is reduced; the medicine bottle and the driving mechanism are separated in two independent spaces, and the medicine bottle is only in contact with the head of the push rod during replacement, so that the influence on the propelling stroke precision or thrust stability of the driving mechanism is reduced or even completely avoided.

The invention discloses a boiler flue gas desulfurization and denitrification device, and relates to the technical field of boiler flue gas treatment.The boiler flue gas desulfurization and denitrification device comprises a tower body, a filler layer is fixedly installed at the top of the tower body, a tower top is fixedly installed at the top of the filler layer, a water tank is fixedly installed on the outer side of the tower body, and a circulating pump is arranged on the water tank; a spraying device is arranged on the water tank, the output end of the circulating pump is connected with the spraying device through a pipeline, a plurality of water spraying openings are formed in the tower top, and the water spraying openings are all communicated with the output end of the spraying device; wherein a stirring device for stirring the filler is arranged on the filler layer, and the flue gas is quickly dispersed, so that the primary desulfurization and denitrification effect is improved, activated carbon particles are continuously stirred, the particles are prevented from caking, full contact between the particles and the flue gas is guaranteed, the reaction time is prolonged, and the desulfurization and denitrification efficiency is improved.

A method is provided for applying a spray agent onto an agricultural area using a spray nozzle unit of an agricultural sprayer. The method includes: detecting a first field section using an optical detection unit to obtain a first piece of image information from the first field section; identifying plants in a first evaluation area of the first piece of image information obtained for the first field section using a control unit; ascertaining a first plant index of the first evaluation area using the plants identified in the first evaluation area using the control unit; and applying the spray agent in a defined minimum volume per unit area onto the entire first field section and onto an entire second field section adjoining the first field section in the direction of movement of the agricultural sprayer as a function of the first plant index ascertained using the spray nozzle unit.

The invention discloses an intelligent climbing spraying robot and a spraying method thereof.The robot comprises a continuous climbing mechanism, a synchronous lifter, a feeding mechanism and a plurality of high-pressure spraying nozzles, the continuous climbing mechanism is movably installed on the outer side of profile steel, and the synchronous lifter is installed on the upper side of the continuous climbing mechanism; the high-pressure nozzles are movably connected to the synchronous lifter through the displacement mechanism, the output ends of the high-pressure nozzles are arranged relative to the outer surface of the profile steel, the output end of the feeding mechanism is connected with the input ends of the high-pressure nozzles, and the control system is connected with the continuous climbing mechanism, the synchronous lifter, the displacement mechanism, the feeding mechanism and the monitoring system. According to the design, various parameters of paint are monitored through the monitoring system, the uniformity and stability of the paint can be kept in the spraying process, meanwhile, the high-pressure spray head can move according to a preset route through the synchronous lifter and the displacement mechanism, line production in a preset area is achieved, and the spraying efficiency is high; and operators are far away from the coating through autonomous operation, so that occupational diseases are reduced.

The invention provides a light-weight three-air-duct backflow-preventing unmanned aerial vehicle spraying nozzle, and belongs to the technical field of nozzles. Comprising a compressed air pipe and a paint pipe, the compressed air pipe is provided with a spray head end and an air inlet end, an inner center pipe and an outer center pipe are fixedly arranged in the compressed air pipe in a sleeved mode, one end of the paint pipe is located in the inner center pipe, and the other end of the paint pipe extends out of the compressed air pipe. When the spray head works, compressed air enters the atomization air channel, paint in the paint pipe is sprayed out from the conical nozzle opening, paint mist is sprayed out from the spraying opening after forced shearing atomization, and the compressed air enters the jet flow air channel to form high-speed long-distance jet flow, so that the paint mist obtains more kinetic energy, and the range of the spray head of the unmanned aerial vehicle is remarkably increased; meanwhile, compressed air can enter the windproof air duct to form an annular airflow air curtain, paint mist is prevented from flowing back to the unmanned aerial vehicle to cause pollution, the appearance neatness of the unmanned aerial vehicle is improved, the service life of the unmanned aerial vehicle is prolonged, and the paint utilization rate is higher.

A method and apparatus for site-specific application of a fluid additive, with or without irrigation water, wherein a center pivot or lateral move irrigation system is utilized for a dedicated additive spraying system. Said spraying system including an additive pumping apparatus with a pump controller in communication with an irrigation system position sensor, and an additive pump in fluid communication with a reservoir of additive and a plurality of flow control valves. Said flow control valves each in fluid communication with an additive carrying conduit, said conduit terminating with an end-portion of conduit with spray nozzle set. Each said end-portion with spray nozzle set configured to apply additive to a ground surface below said end-portion and within the boundaries of polygon shaped areas of a field based on the position of the pipe spans, said position provided to the pump controller by the irrigation system position sensor.

The invention discloses a metal machining cutting machine convenient to cool, and relates to the technical field of cutting machines, the metal machining cutting machine convenient to cool comprises a cooling and cleaning mechanism and a workbench mounted at the bottom of the cooling and cleaning mechanism, a cutting mechanism is arranged at the top of the cooling and cleaning mechanism, and a switching support is arranged in the cutting mechanism; the cooling and cleaning mechanism comprises liquid nitrogen storage equipment, connecting pipes are symmetrically installed on one side of the liquid nitrogen storage equipment, spraying devices are fixedly installed at the ends of the two connecting pipes, a supporting frame is fixedly installed at the tops of the spraying devices, and a collecting tank is fixedly installed at the top of the supporting frame. Liquid nitrogen is sprayed out through a spraying device and a spraying nozzle by utilizing liquid nitrogen storage equipment, so that the cutting hob and the tool bit can be quickly cooled, and meanwhile, chippings in a gap between the cutting hob and the tool bit are cleaned by utilizing cleaning cotton on the two sides of the interior of a collecting tank, so that the cutting hob and the tool bit are convenient to clean; and meanwhile, the cooling efficiency of the cutting hob and the tool bit can be improved.

A spray nozzle includes a first conduit that provides a first flow path for a first type of fluid, a second conduit that provides a second flow path for a second fluid that is different from the first fluid, a first dispensing aperture that ejects therefrom a spray that includes the first type of fluid and / or the second type of fluid, and at least one balancing outlet in fluid communication with the second conduit. The at least one balancing outlet permit the second type of fluid to exit therefrom to balance a force of ejection of the spray from the first dispensing aperture.

The invention relates to the technical field of PCB processing, in particular to a PCB processing, etching and spraying device which comprises an etching machine and two spraying mechanisms, a conveying mechanism is arranged in the etching machine, the two spraying mechanisms are symmetrically distributed at the top and the bottom of the conveying mechanism, U-shaped moving frames are arranged at the top and the bottom of the conveying mechanism, and the spraying mechanisms are arranged on the U-shaped moving frames. Transmission mechanisms are arranged in the two U-shaped moving frames, a first connecting rod and a second connecting rod are fixedly installed on one sides of the two U-shaped moving frames respectively, and a first air cylinder and a second air cylinder are fixedly installed on the side, close to the first connecting rod and the second connecting rod, of the etching machine. The spraying device has the beneficial effects that the angles of the spraying nozzles in the two spraying mechanisms are adjusted according to the depth of the hole, etching liquid sprayed in an inclined mode can forcibly enter the hole with the high thickness-diameter ratio, and therefore copper residues in the hole are reduced.

The invention relates to the technical field of mine water treatment, in particular to a mine water filtering device.According to the mine water filtering device, an ultrafiltration membrane assembly is arranged in a membrane pool to filter mine water, a pressure detector is arranged at a liquid outlet to monitor the water pressure in real time, and the pressure detector transmits real-time data to a controller; the controller is used for judging whether the water pressure entering the clean water tank meets the water production requirement or not, and automatically controlling the starting and stopping of each electrical device according to the judgment result, so that the spraying pump and the moving assembly are started in time when the membrane pollution problem occurs, and the clean water in the clean water tank is pumped to the spray head through the water production pipeline to clean the ultrafiltration membrane assembly; and different positions of the ultrafiltration membrane assembly are cleaned by moving the spray head through the moving assembly, so that pollutants on the surface of the ultrafiltration membrane can be quickly and thoroughly removed, and the water production efficiency is ensured. And moreover, the device does not need to add a coagulant to carry out flocculation and sedimentation treatment on the mine water, so that potential risks of drug residues on subsequent recycled water quality are avoided.

An artificial intelligence guided, flame tracking fire suppression liquid spray nozzle on a pan and tilt turret base is recessed into a niche of wall mounted fire suppressant tank with a hinged flip door panel. A built-in smoke detector flush with the tank, senses for smoke and in an event fire breaks out, the door panel flips down and drops the pan and tilt turret base to search and lock on and track the flame. The spray nozzle splashes the flame with fire suppressant from its limited volume wall mounted suppressant tank via a high pressure spray pump. The wall tank is backed up to a high volume refill tank located remotely. The system shuts down when the fire is extinguished. Additionally, a hand gesture signal on site or a remote command via Wi-Fi in an emergency provides a fail-safe shutdown to assure premises will not suffer destruction.

The present application relates to the technical field of UAV power systems, and in particular to an air-cooled UAV hydrogen fuel cell control system. It includes: a spray intercooler that sprays stack wastewater as a cooling medium; a wastewater circulation system that transports stack wastewater to the spray nozzle of the spray intercooler; and a reinforcement learning control system that executes a control program to control the spray intercooler and the wastewater circulation system. The closed-loop wastewater spray cooling system significantly reduces the damage to the membrane electrode caused by the high-temperature intake air of the air compressor. At the same time, the reinforcement learning algorithm is used to achieve four-dimensional coordinated control of temperature, humidity, pressure, and flow, so that the stack always operates stably in the optimal operating range. This not only compresses the actuator response delay to the millisecond level to ensure the real-time performance of the UAV power output, but also significantly extends the service life of the stack and improves the stability of the output power while reducing the weight of the system.

A drying device includes a solvent supply unit for spraying a solvent onto a non-coated portion, the solvent supply unit including a main flow path sequentially passing through N solvent spray nozzles disposed along a width direction (TD), a sub-flow path branched from the main flow path, and a valve located at a branching point thereof, which may be configured to close the main flow path to allow solvent to flow into the sub-flow path by operation of the valve.The drying device is such that the solvent supply to some of the solvent spray nozzles of the plurality of solvent spray nozzles that do not require solvent spray can be blocked by causing the valve to divert the solvent into a sub-flow path. Thus, depending on the type of electrode coating, it is not necessary to change the design of the solvent supply unit.

The invention refers to a system, device, and method for identifying and analyzing the plants, pests, insects, and other elements of a crop to control the spraying of agrochemicals in real time, monitor and analyze planting conditions, and present data to the user for decision-making.The system comprises a device (7) on the spray boom of the agricultural vehicle that communicates with server (5) in the cloud that communicates with the user interface platform (8) and with the operator interface (10) in the cabin of the sprayer vehicle. The device (7) captures the images during operation, processes and decides the need for spraying, and controls the solenoid valves (3) of the spray nozzles, stores the images and information acquired in the field in memory, and sends them to the server (5) via the Wi-Fi connection.

A method of monitoring agricultural spray performance includes spraying a fluid from spray nozzles, sensing spray parameters (e.g., droplet size, a flow rate, an application density, or a pressure of the fluid) for the spray nozzles, receiving the spray parameters, generating an average spray parameter value, determining a minimum spray parameter value and a maximum spray parameter value, and displaying the average, minimum, and maximum spray parameter values. Other methods include spraying a fluid from a spray nozzle, sensing a spray parameter for the spray nozzle, detecting that the spray parameter has exceeded a pre-defined threshold value, displaying an alarm, and ceasing spraying the fluid from the spray nozzle. A user interface continues to display the alarm after the act of ceasing spraying the fluid. Related systems and other methods are also disclosed.

The invention discloses a variable spraying control system and method based on a laser radar. The variable spraying control system comprises a laser radar module, an inertia measurement module, an upper computer processing module, a programmable logic controller and a nozzle unit. The laser radar module is used for collecting three-dimensional point cloud data of crop canopies, and the inertia measurement module is used for obtaining posture and displacement information of the spraying device so as to correct position errors of the three-dimensional point cloud data. The upper computer carries out filtering, ground fitting and fan-shaped region division on the three-dimensional point cloud data, divides the point cloud into a plurality of regions according to the fan-shaped layout of the nozzles, calculates the canopy volume of each region, and generates a variable spraying amount. The programmable logic controller receives the spraying amount information and the position information in real time and adjusts the pulse width modulation value of the electromagnetic valve, so that the spraying nozzle sprays according to needs. The spray head units are arranged in a fan-shaped mode, and accurate variable spraying is achieved. Precise matching of the canopy area and the position of the spray head can be achieved, and the spraying efficiency and the pesticide-saving effect are improved.

The invention discloses a CFD (computational fluid dynamics)-based TBM (tunnel boring machine) wet spraying primary lining constructability optimization method, and belongs to the technical field of tunnel construction. The method comprises the following steps: constructing a CFD geometric model comprising a jet nozzle, a tunnel ring surface and a closed computational domain, setting a multiphase flow model, viscosity parameters and a dynamic particle jet source, and simulating a concrete jet deposition process; representing partial liquid state behavior of sprayed concrete deposited on the wall surface based on the wall surface liquid film thickness, correcting a simulation result by synthesizing a scale factor after representing the actual spraying layer thickness, and introducing the scale factor to correct a simulation deviation; and the spraying angle, the spraying speed and the accelerator mixing amount are optimized in combination with the correction result, and optimal process parameters are generated and transmitted to a TBM control system to be executed. According to the method, physical experiments are replaced by virtual simulation, construction process visualization and result prediction are achieved, and the method is good in universality, high in simulation efficiency and suitable for efficient construction of the primary lining.

The present invention discloses a water recycling and auxiliary irrigation device for garden landscapes, specifically relating to the field of garden irrigation, comprising a cultivation mechanism, the cultivation mechanism comprising a base, a water receiving tray fixedly mounted on the outer wall of the base, a plurality of planting racks provided on the top of the water receiving tray, a water storage barrel fixedly connected to the top of the base, a first water pumping pipe provided between the water storage barrel and the water receiving tray, and a first one-way valve fixedly installed at the connection between the first water pumping pipe and the water receiving tray, an irrigation mechanism provided in the inner cavity of the water storage barrel, a top cover provided on the top of the water storage barrel, and the irrigation mechanism comprising a threaded hollow pipe rotatably mounted inside the top cover. By providing the irrigation mechanism, the present invention enables the irrigation range of the nozzle to change with the height of the hollow water pipe during irrigation, thereby avoiding the need for conventional fixed irrigation points. At the same time, a recycling mechanism is provided to fully collect and utilize rainwater, thereby being more environmentally friendly, resource-saving, and more convenient for practical use.

The invention discloses a method for preparing a mixed matrix proton exchange membrane with an ultrahigh filler ratio through electrostatic spraying. Preliminary dispersion of filler in membrane liquid is achieved through wet ball milling, the membrane liquid is stretched into nanoscale charged liquid drops at a spray head through the electrostatic field effect, the liquid drops achieve uniform dispersion of the filler in the space due to the charge repulsion effect, filler agglomeration can be avoided, and interface fusion can be enhanced; in the electrostatic spraying process, liquid drops fall on a roller shaft under the action of an electric field and are overlapped and fused into a film, so that the mechanical strength of the mixed matrix film can be effectively improved; the nanoscale liquid drops are overlapped on the roller and dried and volatilized to block holes, and the compact mixed matrix proton exchange membrane can be prepared in one step through in-situ densification. The compact mixed matrix membrane with ultrahigh filler loading capacity can be prepared in one step, the problems that an existing mixed matrix proton exchange membrane is low in filler ratio, poor in organic-inorganic compatibility, poor in mixed matrix membrane mechanical strength and the like are solved, the loading capacity of the filler in the membrane is greatly improved, and the preparation method is simple and easy for large-scale continuous production.

The present application discloses a spraying device for the production of anhydrous calcium hydrogen phosphate, belonging to the technical field of spray drying, which includes a power structure, a high-pressure spraying structure, and an outer spinning disk; the high-pressure spraying structure includes an annular housing member connected to the power structure; pressure spray nozzles are provided on the side wall of the annular housing member; and an elastic packing component is provided in the inner cavity of the annular housing member. When the pumping of the calcium hydrogen phosphate dihydrate slurry into the annular housing member is stopped or interrupted, the hydraulic pressure applied to the piston assembly gradually decreases, so that the piston assembly gradually moves upward under its own elastic force. During this process, the plug column part in the elastic packing component is continuously driven to insert into the pressure spray nozzle again and push out the residual liquid remaining in the pressure spray nozzle. When the slurry is pumped into the annular housing member again, during the downward movement of the piston assembly under the action of hydraulic pressure, the plug column part disengages from the pressure spray nozzle again under the action of elastic force, so that the pressure spray nozzle is exposed again.

A filtration, washing and drying three-in-one device for lithium carbonate, and a production process thereof. The device comprises a tank body (1), a motor (2) arranged on the tank body (1), a stirring rod (3) which is arranged at a power output end of the motor (2) and extends into the tank body (1), a stirring blade (13) arranged on the stirring rod (3), and a feeding port (5), a liquid inlet (7), a discharging port (9) and a waste discharging port (11) which are provided on the tank body (1). A spraying liquid delivery pipe (16) connected to the liquid inlet (7) is arranged at the top in the tank body (1); a plurality of spray nozzles (17) are mounted on the spraying liquid delivery pipe (16); and a filtration mechanism is arranged at the bottom in the tank body (1).

One variation of a method includes: navigating a set of spray nozzles across a first segment of the target surface according to a toolpath; applying paint onto the first segment of the target surface via the set of spray nozzles; accessing a first image depicting paint applied onto the first segment of the target surface; navigating the set of spray nozzles across a second segment of the target surface according to the toolpath; applying paint onto the second segment of the target surface via the set of spray nozzles; accessing a second image depicting paint applied onto the second segment of the target surface; and aggregating the first image and the second image into a paint map representing application of paint onto the first segment and the second segment of the target surface.

The utility model provides a spray nozzle device for wheat breeding cultivation pesticide spraying, which belongs to the technical field of agricultural pesticide spraying equipment and comprises a spray nozzle main body, a spray head and a control module, the spray nozzle main body is of a cylindrical structure, a pesticide liquid channel is arranged in the spray nozzle main body, one end of the spray nozzle main body is used for connecting a pesticide spraying pipeline, and the other end of the spray nozzle main body is connected with the spray head. The pump is used for conveying liquid medicine; a spherical joint is arranged at the end part of the spray head and is rotationally connected with the nozzle main body; a plurality of micro spray holes are formed in the spray head, each spray hole is provided with an independent micro electromagnetic valve, the control end of each micro electromagnetic valve is electrically connected with the output end of the control module, and the control module independently controls the pesticide spraying state of each spray hole and accurately sprays pesticide towards wheat seedlings. By means of the multi-hole micro-flow design and the angle adjusting control function of the sprayer, according to the growth stage and planting density of wheat, the direction, range and flow of pesticide spraying can be accurately controlled, the uniformity and accuracy of pesticide spraying are guaranteed, and the pesticide effect is improved.