882 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 a ship unloader material transfer process adaptive flexible dust suppression system, which comprises an environment sensing module, an integrated multi-parameter dust concentration sensor array, a temperature and humidity sensor and a material characteristic detection unit, and is used for collecting dust concentration, environment temperature and humidity and material viscosity / granularity data in a transfer area in real time; the data processing module is based on a dynamic model library constructed by an embedded industrial computer, comprises a fuzzy control algorithm and a lightweight neural network, and is used for fusing multi-source sensing data and generating a dust suppression strategy; the flexible dust suppression execution module is composed of a variable-angle high-pressure atomizing nozzle array, a dynamic pressure regulating valve group and a flexible sealing cover body; and the self-adaptive control module is internally provided with a non-linear mapping table based on the material transfer speed and the dust generation amount, and real-time adjustment of the nozzle pressure and the spraying angle is achieved through PID and expert rule mixed control. Accurate dust suppression for different materials is achieved, and the reliability and environmental protection performance of the system are improved.

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 utility model discloses an atomizing nozzle, a phosphorus pentachloride synthesis reactor and a phosphorus pentachloride synthesis system, which comprise a nozzle body, a first inlet, a second inlet, a third inlet, a fourth inlet, a fifth inlet and an outlet, the second inlet and the fourth inlet are both used for introducing first gas, and the fifth inlet is used for introducing second gas; the atomizing nozzle disclosed by the utility model can strengthen gas-liquid mixing and control the size and the shape of atomized particles, and in addition, the atomizing nozzle disclosed by the utility model is arranged on the reactor body, so that the distribution uniformity of materials in the space of the reactor body is improved, and a high-temperature area in the reactor body is reduced or eliminated.

The invention relates to the technical field of building construction, and discloses a building construction dust fall structure which comprises an exhaust cylinder provided with an air inlet channel and an air outlet channel, an exhaust fan is arranged in the air inlet channel, an atomizing nozzle is arranged in the air outlet channel, the exhaust cylinder further comprises a plurality of back-flushing channels and an air inlet, a filter is arranged at the air inlet, a partition plate is arranged in each back-flushing channel, and the filter is arranged in the partition plate. The controller is used for controlling the connection between the recoil channel and the air inlet and the connection between the air inlet channel and the air inlet; air flow in the air inlet channel flows to the air outlet channel and the plurality of backflushing channels, under the blocking of the partition plate, the air inlets communicated with the air inlet channel and the corresponding backflushing channels are in a separated state, at least one group of air inlets are communicated with the air inlet channel, and at least one group of air inlets are communicated with the backflushing channels at the same time; the dust falling structure is used for executing the dust falling method capable of being cleaned circularly, and has the advantages that the dust falling structure is not limited by the dust falling structure, and the dust falling structure of the air inlet can still be effectively cleaned during continuous operation.

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 utility model discloses a desulfurization waste water zero discharge wall sticking prevention drying tower, which comprises a flue gas inlet pipe, an ash outlet pipe, a flue gas outlet pipe and a desulfurization waste water spray pipe, an atomizing nozzle is arranged at the tail end of the desulfurization waste water spray pipe, negative pressure operation is performed in a drying tower body, and a primary air distribution plate and a secondary air distribution plate are arranged at the upper part in a straight cylinder body. The secondary air distribution plate is located below the primary air distribution plate, the atomizing nozzle is located below the secondary air distribution plate, the primary air distribution plate is a pore plate or a grating plate, the center of the secondary air distribution plate is a downstream air distribution area, the outer edge of the secondary air distribution plate is a rotating air distribution area, and an air direction isolation plate is arranged between the downstream air distribution area and the rotating air distribution area. The ventilation plane area ratio of the downstream air distribution area to the rotary air distribution area is 2: 1-3: 1, the downstream air distribution area is a pore plate or a grating plate, and the rotary air distribution area is an inclined guide plate. The drying tower can operate normally under the condition that the concentration of the atomized liquid is very low or ultrahigh, so that the adaptability of the drying tower is improved.

The utility model relates to the technical field of dust removal equipment, and discloses a waste tire rubber powder preparation device with a dust removal device, which comprises a dust suction device, a screen body is arranged below the dust suction device, a rubber crusher is arranged on the side surface of the screen body, a cleaning device is arranged in the dust suction device, and a dust removal device is arranged in the dust suction device. A limiting device is arranged on the side face of the cleaning device, a collecting frame is arranged in the cleaning device, the dust suction device is composed of a dust suction hood, a connecting pipe, a barrel, a filter screen, a first frame and a fan, and the dust suction hood is arranged at the top of the screen body. According to the waste tire rubber powder preparation device with the dust removal device, dust on the surface of a filter screen can be cleaned through a driving motor and a cleaning brush, the dust can enter a water tank, a water pump is started, water in the water tank can be transferred into a rectangular pipe through a water inlet pipe and a water outlet pipe, and the water is atomized and sprayed out through an atomizing nozzle; and dust can be subjected to dust falling treatment, and the dust removal effect is good.

The invention provides a spray type water working medium quasi-saturated compression high-temperature heat pump system, and belongs to the field of compression heat pumps. The problems that in the water vapor compression process, the exhaust degree is large, and large-amplitude temperature rise flexible heat supply is difficult to achieve are solved. The system comprises a condenser, an expansion valve, a liquid storage tank, an evaporator, a compressor, an atomization buffer tank, a gas-liquid jet atomizer and a regulating valve, the atomization mode comprises a gas-liquid ejector atomization mode, a high-pressure condensate + atomization nozzle mode or an atomization high-pressure pump + atomization nozzle mode, and is used for preparing atomized liquid drops with the particle size of 50-500 nm for quasi-saturation compression; or single-stage compression is further optimized into a two-stage compression form, so that higher heating temperature and more stable system operation are realized. The micro-nano spraying technology is utilized, the mass fraction of liquid in mixed airflow is always kept between 5% and 10%, heat conversion in the system can be achieved, and through multi-stage continuous phase change cooling, the superheat degree of compressed exhaust is effectively reduced, and compression power consumption is reduced.

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 invention discloses a powder wet-process fluidizing and coating all-in-one machine which comprises a three-phase coating device, a circulating atomizing nozzle and a stirring device, the three-phase coating device is arranged at the top of the stirring device, and the circulating atomizing nozzle is arranged at the bottom of the side portion of the stirring device. A powder inlet, a coating chamber, an air inlet, a solution inlet, a gas jet orifice, a gas-liquid mixing chamber and a gas-liquid jet orifice are arranged in the three-phase coating device, the powder inlet is connected with the coating chamber, the air inlet is connected with the gas jet orifice, the solution inlet and the gas jet orifice are connected with the gas-liquid mixing chamber, and the gas-liquid mixing chamber is connected with the gas-liquid jet orifice. The gas-liquid jet orifice is connected with the gas-liquid mixing chamber and the coating chamber, the circulating atomizing nozzle is connected with the coating chamber, and the stirring device is arranged below the coating chamber. Compared with the prior art, the method has the advantages of good coating effect and low power consumption.

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 invention provides ammonia spraying and mixing equipment for flue gas denitrification, which comprises a main pipeline, an ammonia spraying and mixing device and an ammonia spraying and mixing device, the inner ring pipeline is coaxially arranged in the main channel, the inner ring pipeline sequentially comprises a first pipe section, a reducing pipe section and a second pipe section in the smoke flowing direction, and the inner diameter of the first pipe section is smaller than that of the second pipe section; the spacing distance between the outer surface of the first pipe section and the inner wall of the main channel is larger than the spacing distance between the outer surface of the second pipe section and the inner wall of the main channel. And the atomizing nozzle is arranged at the opening of the side, away from the reducing pipe section, of the second pipe section, and the atomizing nozzle communicates with the reducing agent pipeline. According to the technical scheme, the problems that reactants are not uniformly distributed and a reducing agent is easily adhered to the inner wall can be solved, so that the denitration effect is improved.

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.

The invention discloses a TBM dust removal fan air outlet cooling and dust removal device, and relates to the technical field of dust removal fan external auxiliary devices. A conical sleeve is integrally formed and arranged on a rear end opening of an air outlet sleeve, and a mounting frame is fixedly arranged on the inner side wall of the conical sleeve; the two mounting shafts are arranged on the front inner side wall and the rear inner side wall of the mounting frame in a bilateral symmetry mode through bearings in a screwed connection mode, the multiple supporting frames in one set are fixedly arranged on the mounting shafts in an equal-angle distribution mode, the atomizing nozzles are arranged at the ends, away from the mounting shafts, of the supporting frames, the base is arranged behind the connecting sleeve, and the base plate is fixedly arranged outside the base in a sleeving mode; the connecting plate is sleeved and fixed on the air outlet sleeve; according to the device, the conical structure and the two-section type connecting structure are arranged, so that the device can be in butt joint with air outlets of dust removal fans of different models, a plurality of groups of atomizers capable of swinging are further arranged in the conical structure of the device, and therefore covering spraying aiming at the inner section of the conical structure is achieved, and cooling and dust falling of air blown out of the fans are achieved.

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.

1. Name of the Design Product: Atomizing Nozzle Filter Holder. 2. Use of the Design Product: To fix the atomizing nozzle filter. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photo that Best Illustrates the Design Key Points: Perspective View 1.

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 utility model relates to the technical field of tobacco equipment, and provides a stem pressing machine assembly and a stem pressing machine, the stem pressing machine assembly comprises a pressing roller set, the pressing roller set comprises two pressing rollers which are oppositely arranged, and each pressing roller comprises a first end and a second end which are arranged in the axial direction; the roller moistening piece comprises a plurality of atomizing nozzles, and the atomizing nozzles are located above the pressing roller set and used for spraying and lubricating the wall faces of the pressing rollers; and the water baffle is arranged above the pressing roller set and faces a spraying opening of the atomizing nozzle, and the water baffle is located between the first end and the second end. The stem pressing machine assembly and the stem pressing machine aim at solving the problems that in the prior art, water is prone to entering a bearing of a pressing roller set in a stem pressing machine, and the service life is short.

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.