643 results about "Atomizer nozzle" patented technology

The invention relates to the technical field of coal mine underground dust prevention and control, in particular to a coal mine dust concentration over-limit spraying and dust-settling device and a control system thereof.The coal mine dust concentration over-limit spraying and dust-settling device comprises a dust sensing array composed of a plurality of dust concentration sensors arranged in a spatially separated mode, a main sensor arranged close to a dust generation source, and a dust concentration sensor arranged close to the dust generation source, the at least two auxiliary sensors are sequentially arranged at a set interval; the wind speed sensing unit is mounted in a preset range of the upwind direction of the main sensor and is used for synchronously capturing real-time wind speed; the partition spraying actuator comprises independent spraying units corresponding to the positions of the sensors, and each unit is provided with a quick-response electromagnetic valve and an atomizing nozzle; the multi-source information fusion controller is connected with the dust sensing array, the wind speed sensing unit and the partition spraying actuator through an industrial field bus; through dynamic threshold setting, dust diffusion path monitoring and prediction interception technologies, the problems of response lag and excessive spraying of a traditional fixed threshold system are solved.

The invention relates to spraying equipment and a spraying method, in particular to intelligent spraying equipment and a spraying method, and the intelligent spraying equipment comprises the intelligent spraying equipment which is composed of a base, a multi-axis linkage mechanical arm, a precise spraying assembly, a visual positioning module, a rotary clamping mechanism and a central controller. Wherein the precise spraying assembly comprises a piezoelectric ceramic valve and an atomizing nozzle, and independent control over the micro flow and the atomizing angle can be achieved; the visual positioning module assists in precise positioning; the rotary clamping mechanism supports multi-degree-of-freedom adjustment; and the central controller realizes closed-loop spraying control through a track compensation algorithm. The invention further provides a spraying method, through accurate control over spraying parameters, track optimization and energy consumption management, the spraying precision, the film thickness uniformity and the coating utilization rate are remarkably improved, meanwhile, the overall energy consumption is reduced, and the high-quality spraying requirement of the complex workpiece surface is met.

The invention discloses a spraying system for an aeroengine icing test and a high-altitude icing simulation test bed, the spraying system comprises a spraying device, the spraying device comprises a spraying support and a plurality of atomizing pipe groups, and the plurality of atomizing pipe groups are detachably arranged on the spraying support. Each atomizing pipe group comprises a heat insulation coating barrel, a plurality of atomizing nozzles sequentially arranged in the length direction of the heat insulation coating barrel, a water supply pipe and an air supply pipe which are arranged in the heat insulation coating barrel in the length direction of the heat insulation coating barrel, and a heat insulation material filled in the heat insulation coating barrel; the inner side end, located in the heat insulation wrapping barrel, of the atomizing nozzle communicates with a water supply pipe and an air supply pipe, the opposite outer side end of the atomizing nozzle extends out of the heat insulation wrapping barrel, and at least one end of the water supply pipe and at least one end of the air supply pipe extend out of the spraying support to correspondingly introduce water and compressed air. According to the invention, the atomization pipe group can be taken out as required for deep maintenance, and meanwhile, the anti-freezing and anti-blocking capabilities of the water supply pipe and the air supply pipe in the test process are improved, so that the long-time duration of the icing test of the aero-engine is ensured.

The invention discloses a polyolefin elastomer solution devolatilization system and a polyolefin elastomer solution devolatilization method. The system comprises a horizontal double-shaft kneading devolatilization device and a double-screw extrusion devolatilization machine, a high-temperature atomizer is arranged at a feeding hole of the horizontal double-shaft kneading devolatilization device; the high-temperature atomizer comprises an atomizing nozzle, a gas heater and an air blower; a devolatilization opening is formed above the horizontal double-shaft kneading devolatilization device and is sequentially connected with a condenser and a vacuum pump; a discharge hole of the devolatilization device is connected with a discharge screw rod; a feeding port of the double-screw extrusion devolatilization machine is connected with a discharging screw, a devolatilization port is formed in the upper portion of the double-screw extrusion devolatilization machine and sequentially connected with a condenser and a vacuum pump, and a devolatilized product outlet is formed in the tail of the devolatilization machine. According to the invention, the horizontal double-shaft kneading devolatilization device and the double-screw extrusion devolatilization machine are matched with each other, and the high-temperature atomizer is assisted, so that a large-area heat transfer effect is realized, an efficient devolatilization effect is further realized, and a polymer product with lower residual volatile component content is obtained.

The utility model discloses a collaborative micro-nano bubble water device for mine wastewater utilization and dust fall, and belongs to the technical field of mine environmental protection equipment. The device comprises a gas cylinder and a water storage tank, the water storage tank is sequentially connected with a primary purification device, a secondary purification device and a micro-nano bubble generating device through pipelines, the gas cylinder is connected with the micro-nano bubble generating device through a gas conveying pipeline, and the micro-nano bubble generating device is connected with a micro-nano bubble water storage tank through a pipeline. The micro-nano bubble water storage tank is communicated with the clamping head plate through a conveying pipe provided with a high-pressure water pump, a nozzle mounting base is arranged at the bottom of the clamping head plate, and an atomizing nozzle used for generating water mist is arranged on the nozzle mounting base. According to the utility model, the wastewater treatment unit, the micro-nano bubble preparation unit, the spray dust fall unit and the ultrasonic synergistic unit are integrated into an integrated device, so that resource circulation and cooperative utilization are realized, meanwhile, a multi-nozzle layout capable of being quickly disassembled and assembled is arranged, and the coverage range is flexible and adjustable.

The utility model belongs to the technical field of hot melt adhesive production, and particularly relates to an atomization device and an EVA hot melt adhesive production system with the atomization device.The atomization device comprises an auxiliary solution storage tank, a metering pump, a valve FV and an atomization nozzle; a discharging pipe is arranged in an auxiliary solution storage tank in the atomizing device, the distance between an inlet of the discharging pipe and the bottom of the auxiliary solution storage tank is 5-8 mm, and an outlet of the discharging pipe is sequentially connected with a metering pump, a valve FV and an atomizing nozzle. The EVA hot melt adhesive production system with the atomizing device further comprises a dehydrator and a vibrating screen, and the atomizing nozzle is mounted on a pipeline I between the dehydrator and the vibrating screen. Compared with the EVA hot melt adhesive production system without the atomization device, the EVA hot melt adhesive production system with the atomization device has the advantages that the cleaning time of scale deposit of the pipeline I is relatively prolonged by 0.67-1.00 times, and the time from bagging to hardening of EVA hot melt adhesive particles is relatively prolonged by 3.00-4.90 times.

The utility model relates to the technical field of ammonia distillation equipment, in particular to a microwave indirect heating ammonia distillation tower. Comprising a tower body, a wastewater atomization device, a microwave heating device, a liquid sealing disc, a tower disc and a dephlegmator, an atomizing nozzle of the wastewater atomizing device is mounted in the tower body and located at the middle lower part, and the atomizing nozzle downwards sprays atomized wastewater; the microwave heating device is installed outside the tower body and located below the wastewater atomization device, and atomized wastewater is flashed and vaporized through microwave heating of the microwave heating device; the liquid seal disc and the tower disc are mounted in the tower body, the liquid seal disc is positioned above the wastewater atomization device, and the tower disc is positioned above the liquid seal disc; and the dephlegmator is fixedly connected to the top of the tower body. The method has the advantages of high efficiency, low energy consumption, low cost and small environmental pollution.

The invention provides a supersonic rotational flow atomization dust removal spray head device and a spray pipe optimization simulation analysis method, and relates to the technical field of supersonic rotational flow atomization spray heads, the device comprises an air inlet pipe, a liquid inlet, a shell, a Laval spray pipe, an outer rotational flow pipeline and an atomization spray nozzle, the Laval spray pipe is arranged in the outer rotational flow pipeline, and the atomization spray nozzle is arranged in the shell; a wave elimination section of the Laval nozzle is connected with the atomizing nozzle, a spirally distributed liquid film circular seam is formed in the side wall of a mixing chamber at the lower end of a throat part of the Laval nozzle, and a spiral flow deflector is arranged at an outlet of the atomizing nozzle. Efficient dynamic interaction with rotating liquid supplied by the outer ring spiral channel occurs at the outlet of the nozzle, efficient fog drop crushing and uniform spraying are achieved through airflow acceleration and kinetic energy conversion, and it is guaranteed that the particle size of fog drops meets the requirements of capturing coal dust, improving the atomization efficiency, strengthening the wind resistance and reducing water consumption; better fogdrop particle size matching is realized; and the blocking risk is reduced.

The application relates to the technical field of air conditioning equipment, in particular to an energy-saving fresh air conditioner, which comprises a main machine and an exhaust box, the exhaust box is installed on one side of the main machine, an exhaust port is arranged at the end of the exhaust box away from the main machine, a humidifying part is installed on the exhaust box, the humidifying part comprises water storage boxes, a collecting box, a U-shaped plate, a pressing plate and an air bag, the two ends of the U-shaped plate are slidably connected in the exhaust box, the pressing plate is fixedly connected to one side of the upper end of the U-shaped plate, the air bag is fixedly connected between the upper surface of the exhaust box and the pressing plate, and the two water storage boxes are fixedly connected to the two sides of the exhaust box. In the application, the air bag is intermittently pressed, the liquid in the water storage box continuously passes through the air bag into the collecting box, and is sprayed to one side of the exhaust port through an atomizing nozzle, so that the discharged fresh air is humidified, and the indoor dryness caused by long-time exhaust is avoided, thereby affecting the user.

The application discloses a dispersion type light atomization device suitable for deep removal of perfluorinated compounds in tail water of a sewage plant and a use method, and the device comprises a reactor main body, an ultraviolet lamp group and an external system. The inner wall of the reactor main body is an aluminum film mirror surface with a protective layer; the top is provided with a rotary three-nozzle atomization nozzle; the top is provided with an air outlet pipe; the side of the main body is provided with an air inlet; the bottom is provided with a water tank, and the water tank is provided with a condensing system and a water outlet pipe below. The ultraviolet lamp group has two groups of upper and lower lamps, each group has three lamp tubes with a main wavelength of 185 nm and three lamp tubes with a main wavelength of 254 nm, and the lamp tubes are distributed at intervals, and an air stirrer is located on both sides of the lamp tubes; the two groups of lamp tubes are provided with a funnel-shaped reflection buffer. The external system has an atomization system and an air system. The application utilizes atomization and ultraviolet irradiation to manufacture a micro-ozone environment, so that the flow state operation is used to improve the ozone yield and the mass transfer efficiency of the ozone, the ozone manufacturing cost is reduced, the utilization rate of the ozone is improved, the removal rate of the perfluorinated compounds is enhanced, and the device has the advantages of small occupation area and convenient use.

The application provides a hand-throwing riot control device for pneumatically releasing a riot control agent. After the device is thrown, the pressure rod is lifted up under the action of the pressure in the container shell, the handle is rotated around the supporting shaft on the inner cover of the container, the split pin slides in the arc-shaped slide to the terminal position, the rotation of the handle is limited, the lifting distance of the pressure rod is limited, the liquid flow channel is opened after the pressure rod is lifted, the solution of the riot control agent flows through the liquid flow channel under the action of the internal pressure, and is sprayed into the external environment through the atomizing nozzle connected at the end of the liquid flow channel. When the device is sprayed, the device rotates rapidly because the force at one end of the device and the center of mass are not at the same point, so that the device has the function of anti-throwing. The device is applied to the disposal of mass incidents and the like. The application can enrich the devices used for riot control operations and provide diversified choices for disposal operations.

The utility model relates to the technical field of tunnel maintenance, in particular to an operation and maintenance management device for a highway tunnel information acquisition camera, which comprises a tunnel base, a mounting plate is fixed on the lower surface of the tunnel base through bolts, and a camera body is fixed on the lower surface of the mounting plate. A protective cover which is positioned on the outer side of the camera body and is used for dustproof protection is fixed on the lower surface of the mounting plate; a mounting frame is fixed on the lower surface of the mounting plate and close to the left side of the mounting plate, a cleaning mechanism for maintaining the camera body is arranged on the mounting frame, and the cleaning mechanism comprises a dust removal assembly and a spraying assembly. According to the operation and maintenance management device for the expressway tunnel information acquisition camera, automatic cleaning and maintenance of the camera protective cover are achieved, meanwhile, a micro water pump can spray out cleaning liquid in a water storage tank through an atomizing nozzle, dirt is softened, and the cleaning effect is improved; and the problem of image blurring of the camera in the tunnel caused by dust and stains is effectively solved.

The invention belongs to the technical field of wet dust removal devices, and particularly relates to a turbulence-enhanced efficient energy-saving wet dust removal device, and a Venturi condensation unit comprises a shrinkage pipe, an adjustable throat pipe and a diffusion pipe which are connected in sequence; the turbulent flow mixing and strengthening unit is connected between an outlet of the diffusion pipe and an inlet of the fiber grid condensation and filtration unit, and a static turbulent flow generator is arranged in the turbulent flow mixing and strengthening unit and used for enabling gas-liquid-solid multiphase flow from the Venturi condensation unit to generate rotation and turbulent flow; the fiber grid coagulation filtering unit comprises a shell and at least one layer of fiber grid plate arranged in the shell; the washing liquid circulation assembly comprises a liquid storage tank, a water pump and a first connecting pipeline and is used for conveying washing liquid in the liquid storage tank to the atomizing nozzles and the liquid distribution device. The system has the advantages of low-resistance operation, self-cleaning capability, intelligent adjustment and high system integration degree.

A fire extinguishing system that includes an extinguishing cylinder, a plurality of mist nozzles, a plastic fire detection tube, a first hydraulic tank, a hydraulic jack, and a second hydraulic tank. When the plastic fire detection tube is exposed to fire, the system actuates the extinguishing mechanism and pressurized water is jetted out toward the fire and therefore the fire is put out.

The invention discloses a CFD-DEM coupling and atomizing nozzle-based tobacco strip moisture regaining processing strength control method, which accurately controls a moisture regaining process through numerical simulation and process parameter optimization, and improves the product quality and the production efficiency. The method combines a bidirectional coupling theory of computational fluid dynamics (CFD) and a discrete element method (DEM) to simulate the movement, heat transfer and humidifying process of tobacco flakes in a moisture regaining cylinder, particularly, on the basis of a traditional CFD-DEM model, an atomizing nozzle model is innovatively introduced, a nozzle structure and an atomizing mechanism are optimized, uniform distribution of moisture is improved, and the moisture regaining effect is improved. The moisture content and temperature balance of the tobacco lamina are ensured, so that the moisture regaining effect is improved. Meanwhile, the invention provides a quantitative optimization method based on the processing strength (H), the relation between the processing strength and parameters such as temperature, moisture content and convective heat transfer coefficient is analyzed, the processing strength is kept in the optimal range by adjusting the parameters, and the stability of the moisture regaining process and the consistency of the quality of the tobacco lamina are ensured.

The invention relates to the technical field of spraying and dust falling devices, in particular to a spraying and dust falling device for building construction, which comprises a rack, a moving mechanism arranged in the rack, a water pump arranged in the rack and a spraying mechanism arranged at the top of the rack, a first annular water pipe is mounted at the output end of the first rectifying pipe, and a plurality of first atomizing nozzles are arranged on one side of the first annular water pipe at equal intervals; a second rectifying pipe is concentrically arranged in the first rectifying pipe, a second annular water pipe is installed at the output end of the second rectifying pipe, a plurality of second atomizing nozzles are arranged on one side of the second annular water pipe at equal intervals, and the first annular water pipe and the second annular water pipe are connected with the output end of the water pump through hoses. A rotating shaft capable of rotating is installed in the second rectifying pipe, fan blades are fixed to the end of the rotating shaft, and an impeller is further fixed to the rotating shaft. The problems that a spraying dust-settling device is small in spraying water mist density and limited in spraying range, and consequently the dust-settling effect is not ideal are solved.

The present invention provides a fuel atomizing nozzle (1) for handling at least two fuels and an atomizing fluid, the fuel atomizing nozzle (1) comprising a solid body (10) having a mainly cylindrical shape around a longitudinal axis (X) defining a first end (11), a second end (12) and a contour surface (16) extending there between connecting the two ends (11, 12), wherein the first end (11) comprises at least one outlet (17), wherein the fuel atomizing nozzle (1) further comprises a fluid compartment (14) being arranged centrally around the longitudinal axis (X) in the solid body (10), at least a first and a second fuel compartment (15a, 15b) being arranged in a radial plane between the fluid compartment (14) and the contour surface (16), the fuel compartments (15a, 15b) having an annular shape, the at least first and second fuel compartments (15a, 15b) being connected to a pre-filling chamber (35) by at least a first and a second fuel channel (25a, 25b), respectively, at least one mixing chamber (40) being arranged between the fluid compartment (14) and the at least one outlet (17), and a fluid channel (24) connecting the at least one mixing chamber (40) and the fluid compartment (14), wherein the pre-filling chamber (35) has an annular shape, and the pre-filling chamber (35) is connected via a pre-filling channel (45) to the at least one mixing chamber (40).

The application discloses an ultrasonic reinforced multi-stage atomizing nozzle device and an application method and an atomizing treatment system. The application adopts micro-nano aeration and ultrasonic dissolved air technology, two-stage ultrasonic spiral nozzle atomizing technology, bubble atomizing technology and air jet amplification technology, realizes a micro-nano atomizing process under low power consumption and maintenance-free conditions, and has the characteristics of a large nozzle inner hole, good atomizing effect (micro-nano level), no scaling and no blockage during operation, and maintenance-free during operation, and is especially suitable for application in micro-nano physical and chemical processes of high-viscosity fluids. The application is not only suitable for common atomizing fields, but also suitable for seawater desalination, desulfurization and denitrification atomizing, high-salt wastewater evaporation, coal water slurry atomizing and other fields.

The invention discloses a macro-micro cooperative driving cable parallel spraying robot for the surface of large equipment. The robot is composed of a macro robot, a moving platform and a spraying module. The macro robot adopts a detachable metal static platform frame and a four-drive rope to cooperatively control multi-degree-of-freedom movement of a disc-shaped movable platform, and three-dimensional accurate positioning is achieved through an XY linear translation table and a scissor type lifting mechanism. The innovativeness lies in that four-wheel-drive parallel rope layout and model prediction anti-interference control are adopted, and vibration errors are effectively restrained; a micro mechanical arm and a four-axis linkage rotating platform are integrated, and multiple sensors are arranged to achieve high positioning precision; a four-head atomizing nozzle system is innovated, spraying of primer, colored paint and varnish is completed through 90-degree step-by-step rotation, and the high surface coverage rate is achieved through an S-shaped alternate path. And the color paint saturation is controlled by combining six-valve flow. The device can be quickly reconstructed to adapt to different working conditions, the spraying efficiency is greatly improved, and the device is particularly suitable for high-quality spraying operation of large equipment such as airplanes and ships.

The utility model relates to a cooking device. The cooking equipment comprises an inner container and a humidifying assembly. The inner container is provided with a cooking cavity; the humidifying assembly comprises an atomizing nozzle, the atomizing nozzle is connected to the inner container, and the atomizing nozzle is arranged towards the interior of the cooking cavity and sprays water mist. According to the cooking equipment provided in the scheme, the atomizing nozzle connected to the inner container is arranged, the water mist is sprayed towards the interior of the cooking cavity through the atomizing nozzle, and the characteristic that the water mist can become water vapor more quickly compared with water flow is utilized, so that a better humidifying and baking effect is achieved; the characteristic that water mist is composed of fine liquid drops and has a large surface area is utilized, the characteristics that the water mist flows at a high speed and is large in surface tension and not prone to adhesion are combined, the water mist is rapidly evaporated into water vapor, the concentration of mineral substances in the water is reduced, the mineral substances dissolved in the water are prevented from being deposited and crystallized on the surface of the inner container, and the service life of the inner container is prolonged. Therefore, the problem that scale is easy to form during humidifying and baking is prevented.

The invention discloses a system and a method for generating power by utilizing sulfur dioxide in boiler flue gas. The system comprises a boiler induced draft fan rear flue, a sulfur dioxide absorption module and a flue gas emission module, the method comprises the following steps: flue gas discharged from a rear flue of a boiler induced draft fan enters a first inlet of a sulfur dioxide absorption module, an iodine solution of the sulfur dioxide absorption module is sprayed out from an atomizing nozzle from top to bottom and the flue gas from bottom to top, and a filler layer is arranged between the atomizing nozzle and the flue gas inlet to increase the contact between the flue gas and the iodine solution; iodine, sulfur dioxide and water react to generate a hydrogen iodide solution and a sulfuric acid solution, and flue gas with absorbed sulfur dioxide is discharged into the flue gas discharge module from a first outlet of the sulfur dioxide absorption module. Through the closed-loop process of iodine solution absorption-hydrogen iodide decomposition-hydrogen fuel cell power generation, the limitation that only pollutant removal is concerned in the traditional desulfurization technology is broken through.

The invention discloses an additive atomization feeding device and clothes treatment equipment, and the feeding device comprises a gas generation device which is used for generating gas; the containing cavity is used for containing liquid containing additives; the atomization module is used for atomizing liquid containing an additive and putting the liquid; the gas pressurizes the interior of the containing cavity, one path of the containing cavity outputs the gas to the atomization module, the other path of the containing cavity outputs liquid to the atomization module, the pressure of the gas in the containing cavity is larger than that of the gas in the atomization module, and the gas and the liquid are atomized. Gas is introduced into the containing cavity to be pressurized, the gas and liquid are output to the atomization module to be atomized, the gas pressure in the containing cavity is larger than the gas pressure in the atomization module, liquid discharging can be pressurized, the liquid discharging speed can be increased, the liquid is prevented from flowing back to the containing cavity under the action of the gas in the atomization nozzle, and the atomization effect is improved. And it can be guaranteed that liquid smoothly enters the atomization module to be mixed with gas for atomization, the atomization effect is guaranteed, and spraying is uniform.

The utility model provides a spray freeze-drying device. The spray freeze drying apparatus includes: a container; the atomizing structure comprises at least one first atomizing nozzle; the freezing structure comprises at least one second atomizing nozzle, the second atomizing nozzle is located on the spraying path of the first atomizing nozzle, the second atomizing nozzle is constructed to be capable of spraying out a freezing medium, and the temperature of the freezing medium is lower than the eutectic point of the to-be-dried material; the stirring mechanism comprises a driving part and a stirring assembly, and the driving part is in driving connection with the stirring assembly; the air outlet end of the ventilation assembly communicates with the containing cavity. According to the technical scheme, the problem that existing spray freeze-drying equipment is low in drying efficiency can be solved.

The application discloses a methanol dual-fuel staged atomization burner for ships and relates to the technical field of thermal energy engineering.A core component of the application comprises a wind box, a door plate assembly, a methanol valve box, a main fuel gun, an ignition gun, a cyclone, a metal throat assembly and the like.The burner controls the atomization of methanol and other fuels through a flow divider and an atomizing nozzle, and realizes stable fuel flame through a cyclone.The atomizing nozzle adopts a staged Y-shaped structure, can adjust the spray hole according to different fuels, and realizes different injection requirements of fuel oil and methanol.The burner is divided into three stages to support combustion through the accurate cooperation of combustion-supporting wind, pipeline purging wind and a fuel inlet, so that an efficient and low-pollution combustion process is ensured.The combustion-supporting wind forms secondary cyclone through the cyclone, reduces the scouring of backflow flue gas on the nozzle, and ensures the stability of the core flame of the burner.The metal throat assembly controls the diameter of the combustion flame, and ensures uniform combustion.

The utility model relates to the technical field of atomizer nozzles, in particular to an adjustable atomizer nozzle which comprises a machine body, a machine cover is in threaded connection with the top end of the machine body, a base is fixedly installed at the bottom end of the machine body, a pipe connector is fixedly installed on the side face of the machine body, and a guide pipe is fixedly installed on the surface of the pipe connector. A limiting shell is fixedly installed at the end opening of the guide pipe, and a through hole penetrates through the surface of the limiting shell. According to the utility model, six groups of atomizing spray nets with different apertures are arranged on the rotating plate, the atomizing spray nets can be easily selected and adjusted through the meshing transmission mode of the driving gear and the driven gear in combination with the position adjustment of the driving gear in the adjusting groove, and the atomizing spray nets can be conveniently adjusted through the matching of the limiting protection plate and the locking tooth block on the inner side of the limiting protection plate. Under the synergistic effect of the pull plate, the pull rod and the spring, locking can be conducted along with the position of the driving gear, it is ensured that the position of the gear is stable in the adjusting process, and therefore the atomization effect change caused by misoperation is prevented.

The invention relates to the technical field of raised dust purification, in particular to a raised dust purification and removal assembly for building construction. Comprising a box body and a fog gun barrel, a mounting disc is rotationally mounted at the upper end of the box body; the rack drives the T-shaped pipe to drive the atomizing nozzle to rotate in the mounting groove, the adjustable design of the inclination angle of the atomizing nozzle is achieved, for example, the atomizing nozzle is adjusted to obliquely face the axis of the mist gun barrel, and multiple strands of water mist sprayed out of the atomizing nozzle are converged into a high-density water mist cluster at the front end of the mist gun barrel; the penetrating power of water mist clusters to a high-concentration dust raising area is improved, so that high-concentration dust raising is rapidly pressed and prevented from being diffused, the atomizing nozzles are adjusted to incline outwards, the transverse diffusion angle of water mist is enlarged, the water mist coverage range is expanded, the edge dust falling blind area is reduced, local overwetness of the ground of the dust falling area can be avoided, interference to construction operation is reduced, and the service life of the dust falling area is prolonged. And therefore, the dust falling device can meet the requirements of diversified construction sites, and the dust falling efficiency and applicability are improved.

The utility model relates to the technical field of aluminum powder atomizers, in particular to an atomizer nozzle assembly which comprises a nozzle body, and the nozzle body comprises a molten aluminum circulation body, a primary air cavity wrapping body and a secondary air cavity wrapping body. The replaceable nozzle is composed of a round pipe section, a flange section connected with the lower end of the round pipe section and an upper bent section connected with the outer edge of the flange section, a limiting spigot corresponding to the round pipe section is formed in the lower edge of the inner circumferential face of the molten aluminum circulation body, and a plurality of primary airflow inlets corresponding to the primary impact flow channels are formed in the outer circumferential wall of the round pipe section. A plurality of secondary airflow inlets corresponding to the secondary impact runners are formed in the peripheral wall of the round pipe section, an annular positioning table located on the inner side of the upper bent section of the replaceable nozzle is arranged at the lower end of the secondary air cavity wrapping body, and the flange section of the replaceable nozzle is connected and fixedly connected with the bottom face of the annular positioning table. When the nozzle is blocked, the nozzle main body does not need to be replaced, so that the use cost is saved.

The application belongs to the field of fans and relates to a spray fan assembly and a spray fan. The spray fan assembly comprises an air outlet grille and an atomizing nozzle. The air outlet grille comprises a base body and a ring body surrounding the base body. The outer periphery of the base body and the inner periphery of the ring body are connected by a plurality of air guide ribs. One air guide rib is provided with a pipeline channel. The pipeline channel communicates the inside of the base body and the outer periphery of the ring body. The atomizing nozzle is arranged in the base body. The air inlet end and the liquid inlet end of the atomizing nozzle can respectively communicate with a gas pressure source and a liquid source via the space provided by the pipeline channel. In the application, the air guide rib provided with the pipeline channel can guide air during air outlet and directly provide a pipeline passing-through, realizing the communication of the atomizing nozzle with the gas pressure source and the liquid source. The pipeline winding path between the atomizing nozzle and the gas pressure source and between the atomizing nozzle and the liquid source is shortened, and the pipeline layout between the atomizing nozzle and the gas pressure source and between the atomizing nozzle and the liquid source is effectively simplified.

The utility model relates to the technical field of spray towers, and discloses a spray tower treatment device which comprises a tower body, a mixing mechanism, a spray mechanism and guide plates, a plurality of guide plates are fixed on the left side and the right side in the tower body and form an airflow flowing channel in the tower body, the mixing mechanism extending into the tower body is arranged on the left side of the tower body, and the spray mechanism is arranged on the spray mechanism. A spraying mechanism extending into the tower body is arranged on the right side of the tower body, the spraying mechanism comprises a liquid storage barrel, a conveying pump, a main body pipe, flow dividing pipes and atomizing nozzles, the liquid storage barrel and the conveying pump are both arranged on the ground, the water inlet end of the conveying pump is connected with the liquid storage barrel, the water outlet end of the conveying pump is connected with the main body pipe, and the flow dividing pipes inserted into the tower body are installed on the main body pipe; and a plurality of atomizing nozzles are arranged on each shunting pipe. According to the utility model, the circulation time of airflow in the tower body is prolonged, and the airflow and spraying liquid are mixed for multiple times, so that the mixing is more sufficient, and harmful substances in the airflow react and are eliminated more thoroughly.

The utility model relates to the technical field of solution dewatering and drying equipment, and discloses a water reducing agent drying device which comprises a drying barrel, a liquid inlet pipe penetrates through one side of the drying barrel, an air closing machine is arranged at the bottom of the drying barrel, a collecting barrel is placed at the bottom of the air closing machine, a discharging pipe is arranged on one side of the drying barrel, and a rotary separator is arranged at one end of the discharging pipe. An air inlet pipe penetrates through one side of the top of the drying barrel, a heater is arranged on one side of the air inlet pipe, an air blower is arranged on one side of the heater, an atomizing nozzle is arranged at the end, located in the drying barrel, of a liquid inlet pipe, a servo motor is arranged at the top of the drying barrel, and a stirring mechanism is arranged at the bottom of the servo motor and penetrates through the top of the drying barrel. A clamping block is clamped to the inner side wall of the drying barrel, and an inclined plate is arranged on one side of the clamping block. The stirring mechanism at the bottom is driven by the servo motor to stir the water reducing agent in the barrel, meanwhile, high-temperature gas is sprayed out of a short rod in the stirring mechanism, the interior of powder accumulated at the bottom is dried again, and the water reducing agent which is not completely dried is prevented from caking.