7325results about "Spray nozzles" patented technology

The invention relates to the technical field of fluid generators, in particular to a fluid generator and a fluid control device.The fluid generator comprises a piezoelectric actuator, a spacing part and a diaphragm, and a cavity is defined by the piezoelectric actuator, the spacing part and the diaphragm; the vibration antinode position of the diaphragm and the adjacent area of the antinode position protrude out of the surface of the diaphragm to form a convex part, so that the continuity of the rigidity of the diaphragm is broken, and a rigidity sudden change is formed at the outer peripheral edge of the convex part; as the amplitude of the antinode position and the amplitude of the area, closer to the outer side of the antinode, of the area adjacent to the antinode position are not in continuous gradient distribution any more, the area, opposite to the convex part, of the diaphragm can obtain larger vibration energy to generate larger amplitude, and then the output flow is increased; in addition, since the diaphragm forms stiffness abrupt change at the peripheral edges of the convex parts, at the same time, the first hole parts arranged in the areas, opposite to the convex parts, of the diaphragm are in or tend to the air outlet stroke or the exhaust stroke at the same time, and the output flow is further improved.

Pipe inspection systems including a push-cable, jetter, and camera assembly are disclosed. A jetter nozzle may be configured to spin and / or propel the camera head within a pipe or other cavity. A cutter line may be attached to the camera head to clean obstructions. A sonde may be coupled to a camera head to generate magnetic field signals for use with a buried utility locator to locate a pipe or other cavity into which the camera head is deployed.

The invention provides a flexible palladium film hydrogen sensor and a preparation method thereof, the flexible palladium film hydrogen sensor is sequentially provided with a flexible substrate, a hydrogen sensitive sensing layer and a contact connection layer from bottom to top, and the contact connection layer is connected with a resistance measurement unit; and the hydrogen-sensitive sensing layer is a palladium or palladium alloy film with a conical micro-nano structure. The palladium or palladium alloy thin film with the conical micro-nano structure provides a hydrogen sensor conical surface micro-nano structure with a high specific surface area for the flexible palladium thin film hydrogen sensor, and the process that hydrogen is adsorbed, dissolved and diffused into the palladium or palladium alloy thin film is accelerated, so that the response speed of the sensor is increased; according to the hydrogen sensor, the flexible substrate is adopted, so that the hydrogen sensor can be conveniently arranged in various narrow spaces, and the applicability of the hydrogen sensor in various scenes is improved.

The present invention is directed toward a covered tent structure having a water channel incorporated into the body of the tent structure and configured to spray water into the interior of tent. The tent comprises a series of interconnected panels. The water channel preferably has a plurality of spouts for directing water into the interior of the tent. The tent is configured to be collapsible for easy storage and transportation.

A showerhead is provided herein which may include a diverter handle and a head portion connected to the diverter handle. The diverter handle may alter the water output spray that exits the head portion. The diverter handle may include a guide component including at least one guide track, a rotary cam connected to the guide component, a handle output including output passageways, a diverter for at least one of opening or closing the output passageways, and a slider mechanism including a sleeve that includes at least one post that engages the at least one guide track. The slider mechanism may be adjusted between positions, causing the guide component and the rotary cam to rotate, which may cause different output passageways to be open and / or closed.

The invention belongs to the technical field of micro-nano processing, and particularly relates to a preparation method and application of a metal micro-nano tube array. Comprising the following steps: preparing a metal layer on the surface of a substrate; coining glue is sprayed on the surface of the metal layer, then coining is conducted through a template, and a micro glue column array is formed after curing; a plasma etching process is adopted, the micro glue column array is used as a mask, the metal layer exposed out of the gaps in the bottom of the micro glue column array is etched, and a structure with the micro glue columns wrapped by metal is formed; and removing the rubber columns in the structure of the metal-coated micro rubber columns to obtain the metal micro-nano tube array. According to the invention, a residual-layer-free imprinting technology is adopted, the problem of glue layer residue in traditional imprinting is avoided, and the etching uniformity is improved. A plasma dynamic balance process is adopted, the side wall redeposition effect of etching by-products is utilized, and the metal micro-nano tubes are formed in a self-assembly mode. The prepared metal micro-nano tube array has high aspect ratio compatibility, and the nano tube array with the aspect ratio as high as 10: 1 can be realized.

The invention discloses a flow-guiding-free laminar flow water column nozzle, a nondestructive testing system and application of the flow-guiding-free laminar flow water column nozzle, and belongs to the field of industrial manufacturing. The flow-guiding-free laminar flow water column nozzle comprises a nozzle body, a nozzle head is detachably installed at the front end of the nozzle body through a connecting flange, and a filter element capable of greatly increasing the length of a laminar flow water column is arranged in the nozzle body through a clamping base; at least two through holes communicated with an internal channel of the nozzle body are formed in the nozzle body, a first flow channel, a second flow channel, a third flow channel and a fourth flow channel are sequentially formed in the nozzle body and the internal flow channel of the nozzle head in the water flow spraying direction, the filter element comprises a middle section, and a net face section is arranged at the end, away from the nozzle head, of the middle section. The end, close to the nozzle head, of the middle section is provided with a sunken section. According to the flow-guide-free laminar flow column nozzle, the nondestructive testing system and the application thereof, the filter element matched flow channel streamline combination capable of greatly improving the length of a laminar flow column can be achieved, the filter element can be manufactured through 3D printing, and the fund cost and the time cost are reduced.

A combined dust suppression system for a metal ore unloading station, and a using method. The combined dust suppression system consists of an ore unloading station tunnel wall surface accumulated dust high-pressure water flushing device, an ore unloading station tunnel floor spraying, watering, and wetting device, and an ore unloading station ore train floor bidirectional high-pressure spray dust suppression device. The ore unloading station tunnel wall surface accumulated dust high-pressure water flushing device is used for performing manual flushing on a tunnel by means of high-pressure water in the travel direction of an ore unloading train, the ore unloading station tunnel floor spraying, watering, and wetting device is used for performing spraying, watering, and wetting on the tunnel, and the ore unloading station ore train floor bidirectional high-pressure spray dust suppression device isolates dust generated during ore unloading at the ore unloading station. The water consumption can be reduced, excessive water in an ore unloading pit that causes adhesion and blockage can be effectively avoided, the field applicability of high-pressure spray dust suppression measures is improved, and on-demand spray dust removal of a high-pressure spray device is achieved; high-pressure water is used for flushing accumulated dust on the tunnel wall surfaces of ore unloading stations, and the tunnel floors of ore unloading stations are sprayed, watered, and wetted, thereby achieving significant comprehensive dust suppression and dust control effects, and notable energy-saving effects.

A spray wand for use with a chemical or chemical formulation in solid form. The wand hose end has a wand hose end valve for control of water flow from a hose. A refill cartridge having a swirl chamber may be attached to the hollow tube. The refill cartridge has at least one nub, indent and / or external channel or groove on its external surface.

The present invention discloses a two-in-one bathroom support arm, and a top sprayer end and a shower end can be adjusted separately and flexibly. The support arm includes an installing base, a first support arm, a second support arm, and a water path adjusting part, where the installing base is provided with a rotating shaft, a water flowing chamber, and a water inlet; the water inlet communicates with the water flowing chamber; a circumferential surface of the rotating shaft is provided with a water flowing sink that communicates with the water flowing chamber; and pivot ends of the first support arm and the second support arm are respectively provided with a first pivot ring and a second pivot ring that are pivoted on the rotating shaft, at least one of the support arms is provided with a connection opening that communicates with the rotating shaft.

A garden hose nozzle includes a hose nozzle, wherein the hose nozzle is made of injection molding and has a body part, one end of the body part is connected to a water spray part for spraying water, the other end of the body part is equipped with a water supply part used to supply water. The surfaces of the body part, the water spray part, and the water supply part are covered with at least one wrapping layer for protection and holding. The wrapping layer is composed of a thermoplastic polyolefin, a polyethylene, and a cork. The proportions of the thermoplastic polyolefin, the polyethylene, and the cork in the wrapping layer are 15%, 54%, and 30% respectively.

A spray head assembly includes an inlet assembly configured to receive a fluid, a body fluidly coupled with the inlet assembly, a head portion fluidly removably coupled with the body, and a filter assembly. The head portion includes a plurality of nozzles configured to discharge fluid from the spray head assembly. The body and the head portion define an interior chamber. The filter assembly is configured to filter the fluid supplied from the inlet assembly to the head portion. The filter assembly is configured to be received within the interior chamber.

Dual shower head and side mister mounting assemblies and methods. The assembly includes a pair of mounting wall plates for mounting and stabilizing a water transfer conduit that transfers water flow from an existing shower head unit to an opposing second shower head unit mounted on an opposite wall, facing the existing shower head unit. The assembly can also include a pair of side misters mounted between the wall plates, and water is directed to the second shower head unit and / or the side misters through piping housed within the wall plate opposite the existing shower head unit. The proximal and distal ends of the side misters can be connected to each other by pressure relief piping segments housed within each wall plate to form a continuous pressure-equalizing conduit loop. A light source can be mounted under a top panel or hood connected between the wall plates.

A tail cone ventilation system including a tail cone case defining a tail cone interior and a tail cone exterior, the tail cone having a forward portion and an aft portion separated axially along a tail cone axis; a distribution manifold located within the tail cone interior proximate the forward portion, wherein the distribution manifold comprises nozzles arranged radially around the axis, the nozzles configured to direct a cooling air over at least one electronic component within the tail cone interior and along an inner surface of the tail cone case; an air inlet fluidly coupled with the distribution manifold through ducting, the air inlet located externally from the tail cone interior; and a tail cone discharge located proximate the tail cone aft portion, the tail cone discharge being fluidly coupled with the distribution manifold.

The invention relates to the technical field of micro-nano motors, in particular to a preparation method and application of a micro-nano motor for improving oil reservoir exploitation. Due to the wheel shape of the micro-nano motor and the hydrophobic modification effect, the micro-nano motor can move in a high-viscosity oil reservoir environment in oil reservoir exploitation. Under the action of a magnetic field, the micro-nano motor can controllably move in a complex three-dimensional core environment, and the size of the micro-nano motor can be reduced when the micro-nano motor encounters a narrower pore throat, so that the micro-nano motor can smoothly pass through the pore throat. When the micro-nano motor makes contact with crude oil drops, the micro-nano motor can carry the oil drops to move and carry the oil drops to a high-permeability area of the oil reservoir, and the motor carrying the oil drops is extracted to the ground along with displacement fluid, so that the recovery rate of the oil reservoir is increased. Meanwhile, the micro-nano motor can be recycled for multiple times.

A system may include a telescoping supply line adjustable in length between a first end of the supply line and a second end of the supply line. The system may include a first shower head coupled proximate the first end of the supply line. The system may include a second shower head coupled to the supply line at a second end opposite the first shower head. The adjustability in length of the supply line may adjust a distance between the first shower head and the second shower head. The system may include a support coupled to the supply line to support the supply line. The system may include an inlet coupler between the supply line and the first shower head to form a fluid flow path into the supply line. The fluid flow path may outlet through the first shower head and the second shower head.

The utility model relates to a spray head for spraying a target object. The spray head comprises spray head units, and each spray head unit comprises a liquid supply unit used for supplying to-be-sprayed liquid to a flow channel; the flow channel is communicated with the flow channel connecting port of each capillary tube in the capillary tube group; the capillary tube group comprises a plurality of capillary tubes, each capillary tube comprises a main body part, a flow channel connecting port and a liquid outlet end, the liquid outlet end is located at one end of the main body part, a liquid outlet is formed in the liquid outlet end, and the shape and the size of the liquid outlet are configured to enable to-be-sprayed liquid to be output from the liquid outlet in a continuous output mode. According to the utility model, the manufacturing cost is lower, flying liquid discharge can be avoided, and the liquid spraying efficiency can be improved.

The invention relates to the technical field of building material anticorrosive coating spraying devices, in particular to a quick-release nozzle structure, a spraying device and a using method.The quick-release nozzle structure comprises a fan-shaped nozzle and a mounting piece matched with the fan-shaped nozzle, an integrally-formed mounting part is arranged on the outer side of the fan-shaped nozzle, a magnet is arranged on the surface of the mounting part, and a clamping groove is formed in the surface of the mounting part; a clamping groove is formed in the mounting part, a magnet is arranged in the clamping groove, a clamping block matched with the clamping groove is connected to the surface of the mounting part, and the spraying device with the nozzle structure is provided, so that quick disassembly and assembly between the fan-shaped nozzle and the mounting part can be realized through matched arrangement of all parts in the nozzle structure and by adopting a quick disassembly type connecting structure combining a buckle and the magnet; and stable connection and fixation can be provided while the nozzle replacement time is shortened, and the replacement efficiency is improved.

A valve system includes at least one spin chamber having an outlet drain configured to allow flow out of the spin chamber. A main spin surface of the at least one spin chamber is defined around the outlet drain. A directional jet system is in fluid communication with the at least one spin chamber. The directional jet system includes a plurality of members each is configured to move between a first position for directing a tangential flow around the drain of the at least one spin chamber and a second position for directing a radial flow toward the drain of the at least one spin chamber.

The invention discloses a switching assembly and a water outlet device, the switching assembly is suitable for being mounted on a water outlet body, and the switching assembly comprises a plugging piece and a switching piece. The water outlet body is provided with a water inlet cavity, a water outlet cavity and a water distribution hole communicated with the water inlet cavity and the water outlet cavity; the blocking piece is located in the water inlet cavity and suitable for moving between a first position and a second position, and the blocking piece abuts against the water distribution hole in a sealed mode at the first position. At the second position, a water passing gap communicated with the water inlet cavity and the water distribution hole is formed between the blocking piece and the water distribution hole, and due to the fact that in the movement mode, the blocking piece moves in the direction away from the surface where the water distribution hole is located, during switching, friction force is small, switching force is low, and switching is easy. The plugging piece is provided with a stress part, the switching piece is provided with a switching part located in the water inlet cavity, and the switching piece is suitable for being operated to enable the switching part to move relative to the water outlet body and is matched with the slope of the stress part to drive the plugging piece to move towards the second position. And the blocking piece is suitable for being separated from the inclined plane matching relation with the stress part, so that the water outlet cavity is closed.

Presented herein is a corrosion inhibitor dispensing system that provides for the in-situ application of a corrosion inhibitor in order to protect internal elements of an apparatus from corrosion. In one example, an apparatus is provided that may include a housing to contain one or more electronic components. The housing includes air inflow ports configured to limit internal air from exiting the housing during a corrosion inhibitor dispensing processes, air outflow ports configured to limit external air from entering the housing during the dispensing process, and one or more fans to direct airflow for the housing. The apparatus further includes a corrosion inhibitor dispensing system that includes a dispensing container to hold a corrosion inhibitor in a non-vaporized state and includes one or more ports for dispensing the corrosion inhibitor in a vaporized state during the corrosion inhibitor dispensing processes. A controller is provided to manage the dispensing process.

Systems and methods for sanitizing, cleaning, and deodorizing the interior of a garbage can are provided. A device is provided that includes a housing and an adjustable nozzle configured to dispense a cleaning solution into the interior of the garbage can. Additionally, the device includes a power source such as a battery, as well as an electronic board that can enable and disable the nozzle. The device can be mounted to an underside of a lid of the garbage can, which allows solution to be sprayed downwardly into the interior of the garbage can and bags contained therein. The adjustable nozzle can be adjusted to a number of different spray patterns. When the solution of the device is depleted, it can be replaced for further use of the device.

The invention discloses a fireproof plate edge coating system and a paint adjusting method.The fireproof plate edge coating system comprises a spray head assembly, the spray head assembly is provided with a spray head, the front end of the spray head is provided with an oil spraying opening and an oil returning opening, and the fireproof plate edge coating system further comprises an oil supply pump, an oil storage tank, a vacuum oil tank, an exhaust fan and a paint circulating liquid supplementing container; the oil storage tank is respectively connected with the input end of the oil supply pump and the oil outlet end of the oil tank through oil ways, the oil return port is connected with the suction inlet of the oil tank, the air inlet end of the exhaust fan is connected with the air outlet end of the oil tank, and the paint circulating liquid supplementing container is connected with the spray head through an oil way; the paint adjusting method comprises the steps that paint is added into the oil storage tank, a diluent is added into the paint circulation liquid supplementing container, the oil supply pump and the exhaust fan work to form paint circulation, and the diluent in the paint circulation liquid supplementing container is input into the spray head through the corresponding oil way. The method is beneficial for improving the plate product quality.

A spraying system that includes at least one camera to determine for at least one nozzle spray angle, average of spray angle, standard deviation of spray angle, relative pressure, absolute pressure, relative flow rate, absolute flow rate, percent plugged, and / or spray pattern uniformity / variability of the spray from the at least one nozzle.

The utility model discloses a steel structure gap rust-proof spraying structure which comprises a steel structure expansion joint, a rectangular frame is arranged at the top of the steel structure expansion joint, an adjusting piece is connected to the bottom of the rectangular frame in a bolted mode, the bottom of the adjusting piece and the steel structure expansion joint are magnetically attracted, and a mounting frame is connected to the interior of the rectangular frame in a sliding mode. A spraying part is arranged at the bottom of the mounting frame; the spraying part comprises a lead screw, the lead screw is rotatably connected to the interior of the mounting frame, the surface of the lead screw is in threaded connection with a screw block, the bottom of the screw block is bolted with a connecting rod, the bottom of the connecting rod is bolted with a spraying gun structure, and the bottom of the spraying gun structure communicates with a spraying pipe; the problems that according to an existing conventional mode for steel structure expansion joint rust-proof treatment, rust-proof paint is usually painted for workers, but the method has the problems that painting is not uniform, omission is prone to occurring, and the working efficiency is low are solved.

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

The invention discloses a special SNCR efficient denitration system for a biomass boiler and a denitration method of the special SNCR efficient denitration system, and particularly relates to the technical field of special biomass-fired direct-fired industrial boilers, the special SNCR efficient denitration system comprises a biomass combustion furnace and a denitration mechanism, the biomass combustion furnace comprises a feeding channel, a combustion chamber and a denitration chamber, the combustion chamber is arranged on the side edge of the feeding channel, and the denitration chamber is arranged on the side edge of the combustion chamber. A denitration chamber is arranged on the side, away from the feeding channel, of the combustion chamber, a feeding support is arranged on the side, away from the combustion chamber, of the feeding channel, and a denitration mechanism is arranged on the side, away from the feeding support, of the biomass combustion furnace. A denitration system is provided with a CEMS device to provide NOx emission data, the feeding amount is accurately controlled by adjusting spiral feeding frequency conversion according to the NOx emission amount, the denitration efficiency is improved, and meanwhile waste of a denitration agent is prevented.

To provide a spray valve capable of improving the convenience of assembling work and shortening the assembling time.SOLUTION: The spray valve includes a valve body 10, a striker pin 20, an air nozzle seat 30, and a nozzle structure 40. A striker pin is pierced in the valve body, and a nozzle structure is housed in an air nozzle seat and includes a spray nozzle 42 and a nozzle seat 41. The spray nozzle is mounted on the nozzle seat, and the air nozzle seat is screwed on the bottom of the valve body. Due to the engagement of the impact end 21 of the striker pin with the alignment taper of the spray nozzle and the gap formed between the air nozzle seat and the nozzle seat, the nozzle structure is automatically deflected in the air nozzle seat upon assembly of the spray valve to compensate for manufacturing tolerances between the parts.SELECTED DRAWING: Figure 3

An airless fluid dispensing apparatus, a stem-less spray valve, and a pressure relief valve are disclosed. The stem-less spray valve comprises a generally cylindrical valve body; a fluid conduit, operable to allow a flow of the fluid from a pump, at least partially through the valve body, to a spray orifice; a movable plug disposed at least partially within the valve body; a seat, shaped to conform to a shape of the movable plug; a spring disposed within the valve body. The spring biases the movable plug against the seat to prevent the fluid from flowing through the fluid conduit to the spray orifice when a fluid pressure is below a spray pressure threshold. When the fluid pressure reaches or exceeds the spray pressure threshold, the spring compresses, at least partially retracting the movable plug away from the seat, and allowing the fluid to flow through the fluid conduit to the spray orifice.