81 results about "Spray nozzle" patented technology

The invention discloses a three-dimensional printer, a three-dimensional printing method and a preparation method for metal slurry. The printer comprises a support, a printing base plate arranged on the support, an injector arranged on the support and an X-axis stepping motor, a Y-axis stepping motor and a Z-axis stepping motor which are arranged on the support; the injector is used for containing the metal slurry, a spray nozzle is installed at an outlet of the injector, the center line of the spray nozzle perpendicularly intersects with the printing base plate, and the spraying direction of the spray nozzle points to the printing base plate; the X-axis stepping motor, the Y-axis stepping motor and the Z-axis stepping motor control the injector to move in the X-axis direction, the Y-axis direction and the Z-axis direction relative to the printing base plate respectively, an E-axis stepping motor controls a piston of the injector to be pushed in or pulled out of the injector, and any two of an X axis, a Y axis and a Z axis are perpendicular to each other. The printer and the printing method are used for solving the technical problem that in the prior art, a three-dimensional metal printer is high in equipment cost; on the basis that the printing precision is guaranteed, the technical effects of being simple in structure and lowering the cost are achieved.

A processing system is provided for irradiating a substrate with a gas cluster ion beam (GCIB). The system includes a vacuum vessel that has an interior and is configured to support the substrate therein, and at least one nozzle for forming and emitting a gas cluster beam. The at least one nozzle is configured to direct the gas cluster beam within the vacuum vessel toward the substrate. An ionizer is positioned to ionize the gas cluster beam to form the GCIB. A main gas supply of the system is in fluid communication with the at least one nozzle for supplying gas to the nozzle. The system also includes a plasma-generating apparatus that communicates with the interior of the vacuum vessel and which is configured to receive a cleaning gas and selectively emit plasma for cleaning the interior of the vacuum vessel.

An apparatus for cooling tissues which are treated with an energy-based device, such as a laser, is disclosed. The apparatus comprises a spray nozzle which generates an atomized liquid spray for the treatment area, wherein the atomized liquid spray is based on a mixture of liquid and gas. Further, the spray nozzle comprises at least one liquid outlet which ejects a liquid, and at least one gas outlet which ejects a gas stream. Besides, the apparatus for cooling comprises at least one delivery means for delivering pressurized gas to the spray nozzle; and a pumping means for the liquid, wherein the pumping means is configured to operate in pulses.

Disclosed is a method for manufacturing a method for manufacturing antimicrobial fiber using nano silver powder, which can greatly increase the antimicrobial and bactericidal activities of fiber by preparing nano silver particles with high dispersibility and high purity in a continuous and easy manner and allowing fiber yarn to contain the prepared nano silver particles in an optimal manner. The method the steps of: dissolving a silver precursor in solvent; spraying the precursor solution in the form of fine droplets by any one technique selected from ultrasonic spraying, air-assist spray nozzle spraying and pressure nozzle spraying; transferring the sprayed droplet precursor into a thermal reactor or a flame reactor by carrier gas; decomposing the transferred precursor by heating at a temperature of 400-2,000° C. to prepare nano silver particles; collecting the prepared nano silver particles in a collector while cooling with cooling fluid of less than 200° C.; preparing master batch chips using the prepared nano silver particles; and mixing yarn raw material with the master batch chips to manufacture fiber yarn.

The invention relates to the technical field of performance stages, in particular to an elevating fountain stage, which comprises a fixed stage, a turbine pit, a supporting plate and a driving mechanism, wherein the supporting plate is provided with a through hole; an elevating stage is arranged right above the supporting plate; the driving mechanism is used for driving the elevating stage to move up and down; the lower surface of the elevating stage is provided with a hollow guide post; a water current channel is formed inside the elevating stage; the turbine pit is provided with a first water pump and a flexible water pipe; the supporting plate is provided with a plurality of spray nozzles and a second water pump; the plurality of spray nozzles are annularly and uniformly distributed on the hollow guide post; and the water outlet of the second water pump is communicated with the water inlets of the plurality of spray nozzles. Dancers standing on the elevating stage for performance seem like being supported by a water column which is sprayed upwards, so that the interestingness and appreciation of stage performance are enhanced greatly, dynamic impression formed by dynamic stage change is enhanced, practicability is high and appreciation value is high.

The invention discloses an ultrasonic water meter flow calibration standard device. The ultrasonic water meter flow calibration standard device comprises a constant-pressure water supply system (10), an annular system formed by a standard volume device (40) and an ultrasonic water meter detection table (20), and a multi-gear fixed-point flow adjusting device (30) used for adjusting system flow, wherein the multi-shift fixed-point flow adjusting device comprises a venturi nozzle and an electromagnetic valve; furthermore, an annular volume pipe is taken as the standard volume device. The ultrasonic water meter flow calibration standard device can be used for exerting the effect of calibrating an ultrasonic water meter in multiple gears; the ultrasonic water meter flow calibration standard device is high in stability and is slightly affected by the environment change; the metering accuracy readability reaches 0.05%.

First link members (56A and 56B), a pair of second link members (57A and 57B), and three head holders (51R, 51G, and 51B) are installed rotatably. Rotational pivots (50A and 50B) provided at intermediate portions of the second link members (57A and 57B) and a reference nozzle of the reference head holder (51R) are positioned on the same line in a main scanning direction. The reference head holder (51R) is rotated about the reference nozzle, and the other head holders (51G and 51B) are also rotated simultaneously. The head holders (51G and 51B) are formed to be movable parallel to a sub scanning direction, irrespective of the rotation angles thereof.

The invention provides an adjustable magnetic field coupling and ultrasonic-assisted laser additive manufacturing and monitoring device. The device comprises a laser additive manufacturing system, a substrate, a magnetic field coupling assisted device and an ultrasonic-assisted unit. The substrate is mounted on an experiment support table. The laser additive manufacturing system is used for additive machining on the substrate. The magnetic field coupling assisted device is mounted nearby the substrate and is used for generating a magnetic field nearby the substrate. The ultrasonic-assisted unit is mounted at the bottom of the substrate and is used for generating ultrasonic vibration. The magnetic field coupling assisted device comprises a transverse magnetic field assisted unit and an axial magnetic field assisted unit. The axial magnetic field assisted unit is arranged nearby the substrate and is coaxial with a laser nozzle of the laser additive manufacturing system. The transverse magnetic field assisted unit is arranged nearby the substrate. By means of the device, the laser additive manufacturing machining quality and machining efficiency can be improved, and the shape of a molten pool, the height of a deposition layer and real-time change conditions can be monitored through a mobile monitoring device.

The invention provides an anti-blocking spray nozzle for drop irrigation. The anti-blocking spray nozzle comprises a spray nozzle body; the upper end of an insertion rod is fixedly connected with a round plate, and the surface of each of two sides of the lower end of the insertion rod is fixedly connected with a side rod; the tail end of the side rod is movably hinged with a connecting rod; the lower end of the connecting rod is provided with a slide block; the connecting rod is movably mounted in a clamping slot by a shaft lever; and the surface of the outer side of each of the two groups of slide blocks is fixedly welded with a thimble. According to the anti-blocking spray nozzle, the thimbles enter the spray nozzle by pressing the round plate, so that soil or large-particle sand is ejected out of spray holes, the spray holes are restored to be smooth, cleaning by dismounting the whole spray nozzle is not needed, the round plate is released from a hand when the spray holes are restored to be smooth, and the thimbles can be restored to normal positions under the action of a telescopic spring so as not to affect the normal water spray. The clearing process is rapid and relatively high in efficiency, the cost of replacing the spray nozzle is reduced, and the problem that plants cannot be subjected to timely drop irrigation due to overlong spray nozzle replacement time is also solved.

The invention provides a device and method for conducting superfast laser machining of an air film hole in a water jet environment. The device comprises a three-shaft moving workbench system, a superfast laser device, a water jet circulating device and a control system. A to-be-machined sample is fixed into a water container through a specific clamping device. The water container is fixed to a three-shaft moving workbench and connected with a water tank through a drainage pipe. Medium water is pumped out of the water tank through a water pump and flows through a water injection pipe and onto the surface of the to-be-machined sample through a water jet nozzle. Laser transmitted by the superfast laser device penetrates a water jet film and is focused onto the surface of the to-be-machined sample for machining. By means of the device and method, the advantages of traditional air and underwater laser perforating are combined; machining efficiency of superfast laser perforating is guaranteed, and microcracks on the surface of the to-be-machined sample and the inner walls of micro-holes are reduced; accumulated slag and a recasting layer are eliminated; and the geometrical morphology precision of the sample is improved.

The invention relates to the technical field of a rocket engine, specifically relates to a rocket engine injection structure, an injection device, a rocket engine and a rocket suitable for a liquid rocket engine. An inner nozzle structure in the rocket engine injection structure is provided with an inner wall structure distributed circumferentially, the inner wall structure extends outward integrally to form an outer wall structure; the injection structure forms an annular cavity surrounding the inner nozzle structure between the inner wall structure and the extended outer wall structure; an outer inlet is formed in the annular cavity and provided with an outer nozzle arranged in the same direction of the inner nozzle, so that the annular cavity can play a role similar to the outer nozzlestructure; when realizing atomizing and mixing oxidant and fuel in the rocket engine, the annular cavity is formed by the inner wall structure of the inner nozzle integrally extending outwards, so thesituation that the existing inner nozzle structure and the outer nozzle structure adopt a welding mode to generate welding seams is avoided, the use of welding in the injector is reduced, and the quality and yield of the injector are improved.

The invention provides a secondary cooling method and device for a continuous casting machine. The method comprises the following steps of: arranging a plurality of secondary cooling subareas in a casting direction, wherein each secondary cooling subarea comprises at least one cooling unit; arranging a plurality of spraying collector tube outlets in a spraying collector tube, wherein each sprayingcollector tube outlet is connected with a corresponding spray nozzle pipeline and a corresponding spray nozzle; introducing a cooling medium into the spraying collector tube through spraying collector tube inlets, and spraying and impacting the cooling medium to the surface of cast blank to perform secondary cooling through the multiple spray nozzles; and independently controlling each secondarycooling subarea by regulating pressure and flow of the cooling medium. According to the secondary cooling method provided by the invention, outflow amount of single spray nozzle can be controlled andregulated, so that secondary spraying water amount inside single subarea is close to linear changes, smooth transition of secondary cooling water amount between every two adjacent subareas is guaranteed, cooling uniformity of the secondary cooling subareas is improved, stress concentration of cast blank and crack generating probability are reduced, cost increase is hardly generated, and operability is strong, and therefore, the secondary cooling method has a very wide market and a very wide application prospect.

A device for removing impurities from straw, comprising a removal box, a feed inlet is arranged above one side of the removal box, a breaking device is installed at the connection between the inside of the removal box and the feed inlet, and the two sets of inner walls of the removal box are A fixed plate is installed, and the fixed plate is connected to the mounting plate through a spring. A vibrating filter plate is installed obliquely between the two sets of mounting plates. A vibrating gasket is installed under the vibrating filter plate. , the vibrating disc is equipped with a vibrating block, the side of the miscellaneous removal box away from the feed inlet is connected with a miscellaneous filter pipe, the miscellaneous filter pipe is connected with a water delivery pipe, and one end of the water delivery pipe is connected with a high-pressure nozzle, and the high-pressure nozzle is set on The inside of the filter tube. The operation process in the straw removal process is simple, and the sand and dust in the straw can be quickly removed. Not only the removal efficiency is high and the quality of the removal is high, but also the use of less manpower and material resources greatly improves the quality of the straw. utilization efficiency.

The invention discloses an intelligent robot that can return to charge. The intelligent robot comprises a moving mechanism, an energy storage mechanism and a spraying mechanism, wherein the energy storage mechanism is arranged above the moving mechanism, and the spraying mechanism is arranged at the top of the energy storage mechanism; and the moving mechanism is composed of a power box, a power shaft, a driven pulley, a moving motor, a driving pulley, a worm, a steering motor, a worm wheel, a rotation shaft, a steering wheel, a power wheel, a rotating shaft, a driven gear, a rotating motor and a driven gear. Under the action of a PLC controller, the robot is conveniently controlled to move along a designated route. Moreover, the robot can apply medicine to patients with back burns or scalds through a spray nozzle, thereby being convenient for the patients to ply the medicine by themselves, reducing the labor intensity of medical staff, realizing independent medicine applying, and solving the problem that the patients cannot apply the medicine by themselves. By the arrangement of a pushout sliding rod, the robot can automatically charge along the set route through the PLC controller when power is low. Manual charging is not needed, and therefore time and labor are saved.

The invention discloses an industrial painting robot with a regulating function, and relates to the technical field of industrial robots. The industrial painting robot comprises a base and a mechanical arm, the end of the mechanical arm is provided with a rotating frame; the rotating frame is provided with four spraying claws through two regulating mechanisms; the spraying claws are provided withspraying nozzles; the spraying claws are hinged with auxiliary spraying claws through first telescopic rods; and the auxiliary spraying claws are provided with spray nozzles. According to the industrial painting robot, the movement of parallelogram connecting rod mechanisms is regulated through the driving control of second telescopic rods, and then the opening and closing degree between the fourspraying claws is regulated; multi-angle spraying is carried out on special-shaped parts to be machined through the plurality of spray nozzles at the same time, so that the joint wear caused by the fact that a robot wrist rotates all the time is avoided, the machining efficiency is effectively improved, and the service life of the robot is prolonged; and the relative position between the auxiliaryspraying claws and the spraying claws can be regulated through the first telescopic rods, the spray nozzles on the auxiliary spraying claws can be selected to spray according to the machining requirements of the special-shaped parts to be machined, so that the flexibility of the robot is improved.

An exhaust gas purifying system and a method for purifying exhaust gas of combustion engines. The system includes a hollow casing, a converter chamber disposed within the casing, spray nozzles for spraying a scrubbing liquid into the converter chamber for forming a moisture-saturated exhaust gas in order to remove pollutants dispersed in the exhaust gas and purifying the exhaust gas, a cooling container disposed within the casing and defining a cooling jacket enveloping the converter chamber for cooling thereof, a primary circulating reservoir fluidly connected to the converter chamber for receiving the moisture-saturated exhaust gas and separating the purified exhaust gas from a waste liquid and for cleaning the scrubbing liquid from the pollutants dispersed in the waste liquid for reuse, and a secondary circulating reservoir fluidly connected to the primary circulating reservoir for receiving the cleaned scrubbing liquid and supplying the scrubbing liquid to the liquid spray nozzles.

The present invention discloses a feed uniform stirring device with a drying function. The feed uniform stirring device comprises a shell body and a hot air fan; the shell body is provided with a rotating shaft; the rotating shaft extends to the right side of the shell body and is connected with a driving motor; the rotating shaft is fixedly connected with a longitudinal symmetrically distributedinner stirring plate; the outside of the inner stirring plate is provided with an outer stirring plate; the outer stirring plate is provided with grooves; and the rotating shaft is provided with hot air spraying nozzles. The inner stirring plate and outer stirring plate with an opposite rotation direction are provided; the feed is subjected to a full stirring; the grooves arranged in the outer stirring plate are used to gather feeds on the bottom parts to a high position; the feeds are uniformly mixed; mixing efficiency is improved; and the mixing is more uniform. The hot air spraying nozzlesare arranged in the rotating shaft; hot air contacts rapidly and uniformly with the feeds; the drying efficiency is improved; the feeds are heated uniformly; and the drying effect is better.

The invention discloses an electrostatic water mist air purification device which comprises a first electrostatic electrode, a water tank, a condensation chamber, a refrigeration component, a liquid pump, a spray nozzle, a dust collection chamber and a fan. The refrigeration component comprises a condenser and a radiator, the first electrostatic electrode is arranged at the position of an air inlet of the dust collection chamber, the upper portion of the dust collection chamber is provided with a dust collection chamber air outlet and the spray nozzle, a dust collection chamber liquid return opening formed in the lower portion of the dust collection chamber is communicated with the water tank, the spray nozzle is used for spraying water mist, the condensation chamber comprises a condensation chamber air inlet, a condensation chamber air outlet and a condensate water outlet, the condensation chamber air inlet is connected with the dust collection chamber air outlet, the condenser and the radiator are arranged around the condensation chamber and a conveying pipeline respectively, the condensate water outlet is communicated with the water tank, and the fan is used for conveying air of the condensation chamber air outlet to the outside of the electrostatic water mist air purification device. The electrostatic water mist air purification device can effectively and efficiently remove pollutants such as dust in air, and improve the energy utilization rate.

The invention provides a single-flow-channel secondary combustion oxygen lance capable of improving the scrap ratio of a converter and an application method of the single-flow-channel secondary combustion oxygen lance. The single-flow-channel secondary combustion oxygen lance comprises a lance body and a spraying nozzle, wherein the lance body comprises a three-layered steel pipe structure composed of a middle pipeline, a middle circumferential seam and a peripheral pipeline; oxygen is introduced into the middle pipeline; cooling water is introduced into the middle circumferential seam; returned water flows out from the peripheral pipeline; a main oxygen spraying hole is formed in an end face of the spraying nozzle; a secondary oxygen spraying hole is formed in a side wall of the sprayingnozzle; the flow of the secondary oxygen spraying hole accounts for 15 to 30 percent of the total oxygen supply flow; the flow of the main oxygen spraying hole accounts for 70 to 85 percent of the total oxygen supply flow. According to the single-flow-channel secondary combustion oxygen lance provided by the invention, the design of the main oxygen spraying hole of the oxygen lance is consistent with that of a conventional traditional oxygen lance; the secondary oxygen spraying hole is formed on the basis of an original spraying nozzle, so that oxygen jet flow sprayed out from the secondary oxygen spraying hole and carbon monoxide in the converter are combusted to generate a lot of heat for heating molten steel under the condition that the jet flow of the secondary oxygen spraying hole andjet flow of the main oxygen spraying hole do not have an entrainment phenomenon and a furnace lining of the converter is not corroded, and the scrap ratio of the converter is improved.

The invention discloses a centrifugal pulse dust collector, comprising a fan, a centrifugal separator, a ballast, a pulse separator, a control box, a chassis and a high-pressure air injection system, wherein an air outlet of the fan is connected with an air inlet of the centrifugal separator; an air outlet of the centrifugal separator is connected with an air inlet of the ballast; an air outlet of the ballast is connected with an air inlet of the pulse separator; the output control end of the control box is respectively connected with the input control ends of the fan, the pulse separator and the high pressure air injection system; the centrifugal separator and the pulse separator are both mounted on the chassis; and a pulse spray nozzle of the high-pressure air injection system is arranged in the pulse separator, and closes to the air inlet of the pulse separator. As a dry dedusting mode is utilized by the centrifugal pulse dust collector disclosed by the invention, separated dust can be recycled, and thus the cost is saved; and as the centrifugal pulse dust collector can be automatically cleaned, the working efficiency of the centrifugal pulse dust collector is improved, the manual working amount is reduced, and the use and maintenance cost is lowered. The centrifugal pulse dust collector has the advantages of compactness in structure, small size and wide application range.

The invention discloses a steam cooking utensil which comprises a metal cavity, steam generators and a water supply device. A cooking cavity is formed in the metal cavity and protrusions protruding inwards are arranged on the circumferential wall of the cooking cavity. The steam generators are arranged outside the metal cavity and communicated with the cooking cavity through steam nozzles. The water supply device is connected with the steam generators through water pumps so as to supply water sources to the steam generators. By the adoption of the steam cooking utensil, due to the fact that the protrusions are arranged on the circumferential wall of the cooking cavity, the situation that water on the periphery is collected to form water drops by initially-condensed water due to the tension of the inner wall faces of the cooking cavity can be reduced, condensed water is not likely to drop onto food in the cooking cavity, and the steam cooking utensil is good in cooking effect and convenient to clean.

The invention belongs to the field of oxidation and denitration equipment, and particularly relates to an ozone static mixing device which comprises a frame. A feeding device and a mixing device are arranged in the frame, the feeding device comprises a feeding main pipe, the feeding main pipe is arranged above the frame, a plurality of branch pipes which are distributed side by side and are perpendicularly connected with the feeding main pipe are arranged inside the frame, and a plurality of obliquely downward spray nozzles are arranged on the branch pipes along the length directions of the branch pipes; the mixing device comprises transverse mounting shafts in the frame in the vertical direction, and barriers which are connected with the transverse mounting frames by rotatable pipelines are uniformly arranged on the transverse mounting shafts and are distributed at different angles. The ozone static mixing device has the advantages that ozone sprayed out from the spray nozzles can beblocked and scattered by the barriers, the barriers are connected onto the mounting shafts by the rotatable pipelines, the adjacent barriers are distributed at the different angles, the angles can befreely selected according to actual conditions, pits or lugs which face different directions are arranged on the barriers, accordingly, the ozone can be assuredly scattered at 360-degree angles without dead spaces after being scattered on the barriers, and the ozone and flue gas can be sufficiently mixed with each other.

The invention discloses a chufa-type sugarcoating machine. The chufa-type sugarcoating machine comprises a motor box (1), a reduction gearbox (2) and a coating pan (3), wherein a power output shaft of the motor box is connected to a central shaft of the coating pan through the reduction gearbox, and the chufa-type sugarcoating machine also comprises a spray gun (4). By adopting the chufa-type sugarcoating machine in the technical scheme, syrup and talcum powder are stirred uniformly, placed into a hopper, and then sprayed into the coating pan after being atomized through a spray gun pump and a spray nozzle, and the coating pan rotates to uniformly attach a sugarcoating on the surface of a tablet, thus, the chufa-type sugarcoating machine has the advantages of generating a small amount of dust, reducing the using amount of the talcum powder, spending about six hours, increasing the work efficiency, saving working hours, realizing uniform weight and thickness of the tablet and uniform quality of products in all batches and being simple in operation.

The invention discloses a hot runner mold with a multipoint hot gate, comprising an upper mold plate, heat barriers and an overload protector. The bottom end of the upper mold plate is provided with abottom mold plate that is releasably connected with the upper mold plate; the end of the upper mold plate far away from the bottom mold plate is provided with an insulation plate; the insulation plate is fixedly connected with the upper mold plate; the heat barriers are distinguished via connectors and are mounted in separate zones; a hot divider plate can be opened through a mounting cover, so that the heat barriers are convenient to mount, maintain and replace, maintenance speed for the damaged heat barriers is increased, and time and manpower are saved, with working efficiency of the hot runner mold ensured; a filter mesh plate can filter off metal particles in melt so that the metal particles are avoided blocking an injection nozzle or causing damage to the injection nozzle; the overload protector can protect the safety of the heat barriers in other zones when the heat barriers mounted the separate zones fail, so that maintenance cost is lowered, and normal running of the hot runner mold is ensured.

The invention discloses a spraying deodorization device for a garbage station. The device comprises a garbage can; the side wall of the garbage can is fixedly communicated with a pipeline; the other end of the pipeline is fixedly communicated with a barrel; a groove is formed in the inner wall of one side, deviating from the pipeline, of the barrel; the groove is rotationally connected with a rotating block through a rotating shaft; the rotating block penetrates through the groove and extends outwards; one end, extending to the outside, of the rotating block is fixedly connected with a spraying nozzle; the side wall of the groove is rotationally connected with a vertically-arranged reciprocating lead screw through a bearing; the rod wall of the reciprocating lead screw is movably sleeved with an adjustable sliding block nut; an L-shaped rod is fixedly connected to the side wall of the side, opposite to the rotating block, of the adjustable sliding block nut; a strip-shaped hole matchedwith the L-shaped rod is formed in the side wall of the rotating block; a limiting block is further fixedly connected to the side wall of the adjustable sliding block nut; and a limiting groove matched with the limiting block is formed in the side wall of the groove. The spraying angle of the spraying head can be changed back and forth, so that the spraying effect is improved.