462 results about "Liquid jet" patented technology

Systems and methods for using a liquid jet apparatus for dental treatments are disclosed. In one implementation, the liquid jet apparatus may include a handpiece configured to deliver a high velocity liquid jet to a desired location in the mouth of a patient. The handpiece may include a positioning member having a channel through or along which the jet can propagate. The positioning member may have a distal end portion configured to be at least partially disposed in a pulp cavity, canal space, or opening in the tooth under treatment. During operation, the jet may impact an impingement surface of the distal end portion of the positioning member and be deflected as a spray through one or more openings in the distal end portion. The liquid jet apparatus may be used for root canal treatments.

The invention relates to a nozzle attachment assembly (10) with a connecting element (12) having a coupling point (18) arranged on an end face (16) for receiving a flat jet nozzle (20), wherein a jet retention element (14) connects to the connecting element along an axial extension direction (24) of the nozzle attachment assembly (10) and the jet retention element comprises an outlet opening (28) on an outlet side (26) facing away from the end face, which is in fluid-conducting communication with the coupling point through the interior of the nozzle attachment assembly, wherein the fluid-conducting communication is designed as an expansion zone (30) which is bounded in a first plane perpendicular to the axial extension direction by cover walls (34, 36) which have a distance h and which is bounded in a second plane, which is perpendicular to the first plane, by side walls (40, 42).such that the expansion zone replicates a jet geometry of the receptacle flat jet nozzle in such a way that a liquid jet formed with this jet geometry is continuously surrounded by a circumferential gap within the expansion zone in a radial direction (46), and wherein the connecting element and / or the jet retention element has at least one gas inlet opening (50) that opens into the expansion zone. The invention further relates to a system with such a nozzle attachment assembly and a method for jet retention.

The invention relates to an adjustable multi-stage heat exchange injection type mixed working medium high-temperature heat pump system, and belongs to the technical field of high-temperature heat pump systems. The mixed working medium high-temperature heat pump system comprises a mixed working medium heat pump circulation loop and a gas-liquid jet type water supply loop. The mixed working medium heat pump circulation loop comprises a low-pressure compressor, a high-pressure compressor, working medium sides of four condensers, working medium sides of three evaporators and two two-phase ejectors, the working medium sides of the four condensers, the working medium sides of the three evaporators and the two two-phase ejectors are connected in series through two gas-liquid separators, and a working medium is a mixed working medium composed of cis-1, 3, 3, 3-tetrafluoropropene and isopentane. And the gas-liquid injection type water supply loop comprises a gas-liquid injector, a water pump and water sides of the three condensers. And the mixed working medium heat pump circulation loop and the gas-liquid jet type water supply loop are mutually coupled. The two gas-liquid separators are adopted to form four-stage condensation heat exchange, so that the energy utilization efficiency can be effectively improved, and the irreversible loss in the condensation process is reduced by at least 5%; evaporator evaporation of three different pressure levels is formed through boosting of the two two-phase ejectors, and irreversible loss in the evaporation process is reduced by at least 55%.

The invention relates to a flat jet nozzle arrangement with a liquid nozzle part (32) and a jet guide part (12; 82), wherein the liquid nozzle part (32) has a nozzle outlet opening (33) for emitting a fan-shaped liquid jet (34) which defines a jet plane (36), and wherein the jet guide part (12; 82) has a through-channel (14) with a liquid receiving section (24) which receives the liquid jet (33) emitted by the liquid nozzle part (32) and to which a liquid output section (26; 106) is connected, which widens in the jet plane (36), and wherein the flat jet nozzle arrangement (10; 70; 80; 100) has at least one air intake opening (42, 44; 84, 86) which is in flow communication with the liquid receiving section (24).In order to further develop the flat jet nozzle arrangement (10; 70; 80; 100) in such a way that the ambient air has less of an impact on the liquid jet (34), it is proposed according to the invention that the liquid dispensing section (26; 106) has a longitudinal region (27; 107) extending at least over part of its total length, in which the liquid dispensing section (26; 106) narrows perpendicular to the jet plane (36) with increasing distance from the liquid receiving section (24).

The invention discloses water-jet-guided laser cutting equipment and a water-jet-guided laser cutting system, and relates to the technical field of water-jet-guided lasers. The device comprises a dual-wavelength laser assembly, a reflection assembly, a liquid supply assembly and a coupling assembly. The dual-wavelength laser assembly can generate visible laser and invisible laser and coaxially output the visible laser and the invisible laser to the reflection assembly. The reflection assembly is used for refracting the visible laser and the invisible laser to the coupling assembly. The liquid supply assembly is used for supplying guiding liquid to the coupling assembly. The coupling assembly is provided with a nozzle and a coupling body which are connected with each other and used for coupling the guiding liquid, the visible laser and the invisible laser and outputting the laser through the nozzle. Visibly, the visible laser and the invisible laser with the power far greater than that of the visible laser are simultaneously utilized in the water-guided laser, so that the laser power is improved while the visibility of the liquid jet is ensured, the processing efficiency is further improved, and the cost is reduced.

The invention provides a laser coupling assembly, a laser processing device and a laser processing method, and relates to the technical field of laser processing, and the laser coupling assembly comprises a bearing piece which is provided with a first channel and a lens rotatably arranged in the first channel, an included angle is formed between the axis of the lens of the first channel and the extension line where the laser incident direction is located, and the lens is used for reflecting the laser in the first channel and adjusting the position of a light spot formed by the laser on the nozzle; the nozzle is connected with the bearing piece and used for outputting liquid jet flow; the monitoring piece is connected with the bearing piece; the controller is configured to output an adjusting signal according to the relative position; the driving part is in communication connection with the controller to receive the adjusting signal, and the driving part is used for driving the lens to rotate. Thus, the position of the laser is adjusted through the driving effect of the driving part, the laser adjusting precision can be improved, meanwhile, the complexity in the laser adjusting process is reduced, and the laser adjusting efficiency can be improved.

The invention provides additive manufacturing equipment and method for a magnesium alloy liquid continuous injection molding annular part, and mainly relates to the field of metal material additive manufacturing equipment. The invention discloses additive manufacturing equipment and method for a magnesium alloy liquid continuous injection molding annular part, and the additive manufacturing equipment comprises a crucible smelting assembly arranged in an upper vacuum cavity, a liquid injection printing assembly which is arranged in a lower vacuum cavity and communicates with the crucible smelting assembly, and a controller. A three-dimensional motion platform located below the liquid jet printing assembly is arranged in the lower vacuum cavity, and an annular mold with an opening in the top face is arranged at the top of the three-dimensional motion platform. The device has the beneficial effects that the hollow graphite ring piece and the nozzles distributed in an annular array mode are adopted, uniform spraying of magnesium liquid to the annular mold is achieved, the forming efficiency and the quality stability are improved, and the device is particularly suitable for manufacturing large-diameter annular pieces.

A hydraulic compressed gas generator, comprising a pressure vessel having a peripheral wall, an inlet through which gas is introducible and a perforated tube downwardly extending within an interior of the pressure vessel and through which a liquid is introducible for compressing a volume of introduced gas. A liquid jet is emittable from each aperture of the perforated tube and is impingable upon the peripheral wall to produce an atomized spray that is capable of sufficiently absorbing heat dissipated from the volume of gas being compressed to achieve substantial isothermal compression. The pressure vessel additionally has an outlet through which the compressed gas is deliverable to a gas receiving tank.

The invention discloses a jet flow evaporation cooling system. The jet flow vaporization cooling system for cooling a heat generating unit using a liquid jet flow includes: a heat transfer portion integrally formed with a cooling portion configured to receive the liquid jet flow and an arrangement portion on which the heat generating unit is arranged; an opening portion configured to eject the liquid supplied from the supply portion to the cooling portion; a discharge portion configured to discharge the liquid; and a chamber configured to accommodate the opening portion, the discharge portion, and the cooling portion, and configured not to accommodate the arrangement portion therein, in which the chamber is maintained in a reduced pressure environment, in which the opening portion is configured to eject the liquid to the cooling portion, in which the discharge portion is configured to eject the liquid to the discharge portion, and in which the discharge portion is configured to discharge the liquid to the discharge portion. At least a portion of the cooling portion is inclined, and wherein the liquid is discharged from the discharge portion via the cooling portion.

To provide a liquid jetting device improved in assemblability while suppressing reverse flow of a content into a cylinder.SOLUTION: A liquid jetting device 100 comprises: a mounting member 3 mounted to a container body C; a cylinder 1 drooping below the mounting member 3; a plunger body 11 provided so as to be vertically movable in the cylinder 1; a stem 6d erected above the plunger body 11 and provided so as to be vertically movable; and a head 30 having a nozzle for discharging a content and fitted to the upper part of the stem 6d so as to be pressed. The cylinder 1 is provided with an outside air introduction hole 1d for supplying outside air taken in through an upper end opening by means of negative pressure in the container body C into the container body C. The outside air introduction hole 1d can be opened / closed by an outside air introduction valve 5. An abutment 5c of the outside air introduction valve 5 with the cylinder 1 is displaced outside in a radial direction to be opened. Above the abutment 5c, a roughened surface 1r more rough than other parts of the outer surface of the cylinder 1 is provided.SELECTED DRAWING: Figure 1

Provided herein are shaped-charges having curved walls to provide better controllable and improved liquid jet parameters. The shaped-charge comprises a container having a plurality of curved walls for containing a liquid. One or more explosive charges are immersed in the liquid and a detonator channel positioned through the container wall to controllably detonate the one or more explosive charges and from a wedge-shaped liquid jet. Multipoint initiation is achieved using a number of initiation points; a location of one or more initiation contact points with the geometrically-shaped explosive charges; and / or an initiation timing of each of the initiation contact points, including simultaneous initiation or a sequence of initiations. Also provided are related methods of forming liquid jets and attendant applications, including target disruption.

To provide a liquid jet head which is prevented from deteriorating in reliability, and a liquid jet device.SOLUTION: The liquid jet head comprises: a head module including a flow passage opening forming member and a chip; a supply flow passage member that supplies liquid to the head module; an elastic seal member that liquid-tightly connects the flow passage opening forming member to the supply flow passage member; and a fixing member fixing the supply flow passage member to the flow passage opening forming member. A seal region held by the flow passage opening forming member and the supply flow passage member of the seal member overlaps with the chip when viewed in a jetting direction. A dimension in the jetting direction of a portion overlapping with the seal region, of the flow passage opening forming member, is larger than a distance between the seal region and the fixing member when viewed in the jetting direction.SELECTED DRAWING: Figure 5

To provide a head chip that can suppress a driving electrode from being disconnected and is excellent in reliability over the long term, a liquid jet head, a liquid jet recording device, and a head chip manufacturing method.SOLUTION: A head chip according to one embodiment described in the disclosure comprises: a pressure chamber in which liquid is stored; a chip main body having a driving part arranged at a portion facing the pressure chamber; a driving electrode formed on the driving part; and driving wiring formed on the chip main body to connect the driving electrode to external wiring. The driving wiring comprises a first wiring part which has a first region and a second region, connected in an extending direction of the driving wiring to the first region, whose cross sectional areas in a direction orthogonal to the extending direction are smaller than cross sectional areas of the first region, and a second wiring part leading, in a direction crossing the extending direction, at least to the second region.SELECTED DRAWING: Figure 7

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 gas-liquid composite auxiliary device for laser processing, and belongs to the technical field of material processing, the gas-liquid composite auxiliary device for laser processing comprises a liquid jet module, the liquid jet module comprises a liquid storage shell, one end of the liquid storage shell is provided with a liquid guide pipe, the other end of the liquid storage shell is used for being connected with a laser processing head, and laser emitted by the laser processing head acts on the surface of a workpiece through the liquid guide pipe; the liquid storage shell is communicated with a liquid inlet assembly; and the gas jet module comprises a gas outlet pipe, the gas outlet pipe and the liquid guide pipe are coaxially arranged, the liquid guide pipe is sleeved with the gas outlet pipe, a gap is formed between the gas outlet pipe and the liquid guide pipe, and the gas outlet pipe communicates with a gas inlet assembly. The composite mode of combining gas and liquid is adopted, slag generated by laser processing can be efficiently cleaned, cleanliness of a processing area is guaranteed, the cooling effect can be further improved, heat affected zones generated by laser processing are reduced, and therefore the influence of laser processing on the overall performance of materials is reduced.

The invention relates to an apparatus 100 for 3D shaping of a workpiece 101 by material ablation with a laser beam 102. The apparatus 100 comprises a machining unit 103, which is configured to provide a pressurized fluid jet 104 onto the workpiece 101 and to couple the laser beam 102 into the fluid jet 104 towards the workpiece 101. Further, the apparatus 100 includes a motion controller 105 configured to set an x-y-z-position of the workpiece 101 relative to the machining unit 103. It also includes a measuring unit 107 configured to measure a z-position of the point of incidence 108 of the pressurized fluid jet 104 on the workpiece 101 in the z-direction.

The invention discloses a micron particle monodispersion device which is characterized in that a focusing flow channel is internally provided with a chamber and an ejection hole, and the ejection hole is communicated with the chamber and the external environment; the inner diameter of a core capillary tube of the liquid flow introduction module is far larger than the particle size of the micron particles, the outlet end of the core capillary tube extends into the cavity and is close to the ejection hole in an opposite mode, and the core capillary tube is used for conveying micron particle suspension liquid; the airflow introduction module is connected with the focusing flow channel and used for introducing high-pressure gas into the cavity, so that pressure difference is formed between the cavity and the external environment, and then micron particle suspension flowing out of the outlet end of the core capillary tube is pulled into superfine liquid jet flow under the wrapping and extruding action of coaxial sheath gas flow at the ejection hole; and the liquid drops are automatically crushed into liquid drops of monodisperse particles outside the focused flow channel. The device is not easy to block, high in micron particle monodispersion efficiency and high in flux, and can be compatible with an organic mass spectrum, a spectrum analyzer and the like.

The invention discloses insulated PE leg wire extrusion production equipment and a method thereof, and relates to the technical field of PE leg wire extrusion, the insulated PE leg wire extrusion production equipment comprises a screw extruder main body, a first feeding bin is mounted at the top of the screw extruder main body, a multi-directional air injection part is mounted on the first feeding bin, and a synchronous liquid injection part is arranged on a side connecting frame. By arranging the synchronous liquid spraying piece, when an L-shaped connecting pipe sprays airflow, an air blocking plug loses shielding of the top of an L-shaped air spraying bin, at the moment, the airflow can penetrate through the L-shaped connecting pipe and is finally sprayed out of the L-shaped air spraying bin, and in the moving process of the air blocking plug, the liquid blocking plug moves out of the position between a connecting guide pipe and a spraying head; when a water pump injects water into the first annular bin through a liquid spraying pipe, water flow passes through a hose, a connecting guide pipe and a liquid blocking bin and is finally sprayed out through a spraying head, so that the water flow is sprayed to the surface of the solidified extrusion line for further cooling, and orderly air cooling and water cooling are achieved; and deformation of the extruded wire caused by direct impact of water flow on the surface of the extruded wire is prevented.

Systems and methods for using a liquid jet apparatus for dental treatments are disclosed. In one implementation, the liquid jet apparatus may include a handpiece configured to deliver a high velocity liquid jet to a desired location in the mouth of a patient. The handpiece may include a positioning member having a channel through or along which the jet can propagate. The positioning member may have a distal end portion configured to be at least partially disposed in a pulp cavity, canal space, or opening in the tooth under treatment. During operation, the jet may impact an impingement surface of the distal end portion of the positioning member and be deflected as a spray through one or more openings in the distal end portion. The liquid jet apparatus may be used for root canal treatments.

An ultrasonic control apparatus and method for a liquid jet are provided. An ultrasonic generator is equipped with two sets of ultrasonic transducers arranged perpendicularly to each other, and the two sets of ultrasonic transducers emit ultrasonic waves of a specific frequency. Two sets of reflectors are arranged correspondingly in front of the ultrasonic waves emitted by the two sets of ultrasonic transducers, where a distance exists between the ultrasonic transducers and the corresponding reflectors, two stable standing wave sound fields are formed by adjusting the distance. A liquid jet device is equipped with a nozzle that emits a continuous jet, where the nozzle is located above an intersection of pressure nodes of the two standing wave sound fields, and the two standing wave sound fields act on the liquid jet to adjust jet morphology under the action of acoustic radiation pressures.

The invention discloses a gas-liquid distributor, a gas-liquid distribution method and a multiphase flow reactor, the gas-liquid distributor is applied to the multiphase flow reactor, the gas-liquid distributor comprises a flexible internal member, the flexible internal member further comprises a flexible surface which is arranged above a gas-liquid jet orifice in the reactor and extends along the axial direction of the reactor; the whole flexible surface is in a gradually-changed bent shape and is immersed in a liquid phase of the reactor; the cage-shaped unit is formed by enclosing a plurality of flexible surfaces in the radial direction in the reactor to form a cage-shaped structure; and the space in the reactor is divided into a plurality of cage-shaped units which are uniformly distributed by the plurality of cage-shaped structures. Through the flexible surfaces extending axially and the cage-shaped structure constructed by the flexible surfaces, the size of a bubble phase interface can be effectively improved, and bubbles are distributed more uniformly; according to the invention, a coking part can be guided to a specified position and discharged in time, so that a green coke precursor is prevented from forming small coke particles at the middle upper part in the reactor, adhering to a thermocouple, the wall surface of the reactor or a liquid phase outlet, and even suspending in a liquid phase product to influence the product quality.

The present disclosure relates to abrasive material delivery systems for liquid jet cutting systems. The abrasive material delivery systems can include a valve configured to adjust an inflow of abrasive material into the abrasive material delivery system from a source of abrasive material. The systems can include a chamber downstream of the valve and configured to receive the inflow of abrasive material from the valve. The systems can include a metering component configured to control an outflow of abrasive from the chamber to a cutting head of the liquid jet cutting system. In some embodiments, the systems include a sensor configured to monitor movement of a top surface of a portion of abrasive material within the chamber as the top surface moves through the chamber; and a processing device operably connected to the sensor and configured to determine an abrasive flow rate through the metering component based on a speed of the top surface as monitored by the sensor.

The invention relates to a jet type liquid cooling heat dissipation device for an electronic chip and a working method of the jet type liquid cooling heat dissipation device. The device comprises a chip carrier provided with an electronic chip, a base, a jet flow guide plate, a backflow collection plate, a cover plate and a connector, the base is installed on the chip carrier in a sealed mode, and the jet flow guide plate, the backflow collecting plate and the cover plate are sequentially stacked and mutually connected in a sealed mode and are integrally fixed to the base. A first through hole and a second through hole are formed in the position, above the electronic chip, of the jet flow guide plate, a cooling liquid through hole and a cooling liquid guide hole are formed in the backflow collection plate, and a first cooling liquid connector and a second cooling liquid connector are formed in the cover plate. Compared with the prior art, through the collaborative design of the jet flow guide plate and the backflow collection plate, cooling liquid directly impacts the surface of an electronic chip in a high-speed jet flow mode, and therefore the local heat exchange efficiency is remarkably improved; and meanwhile, a backflow path is optimized, flowing resistance is reduced, high heat exchange performance and low pressure drop are both considered, and the heat dissipation device is suitable for efficient heat dissipation of high-heat-flux electronic chips.

The utility model relates to the technical field of cleaning equipment, in particular to a cleaning tool for cleaning miniature blind holes, which is provided with a supporting cavity, a top plate is arranged above the supporting cavity, a liquid inlet is formed in the supporting cavity, a liquid outlet pipe is arranged on the supporting cavity, the liquid outlet pipe is communicated with the supporting cavity, and supporting fins are arranged on the side wall of the liquid outlet pipe. Cleaning liquid is jetted into the blind hole of the part through the liquid outlet pipe, as the cleaning tool is completely immersed in the water tank of the ultrasonic cleaning machine, ultrasonic waves can directly act on the surface of the part and the interior of the blind hole, and the jetted cleaning liquid can directly wash dirt and impurities in the blind hole of the part, disperse bubbles and break a bubble barrier; the effective permeation and cleaning effect of cleaning liquid are ensured, ultrasonic cleaning can go deep into the fine and tiny positions of the blind hole, a dirt layer is dispersed, emulsified and stripped off through the cavitation effect and the acceleration effect, the dual functions of liquid jet flushing and ultrasonic cleaning are achieved, and the cleaning efficiency and quality are remarkably improved.

The utility model discloses petroleum pipeline dredging equipment, and relates to the technical field of petroleum pipeline dredging, the petroleum pipeline dredging equipment comprises a base and a dredging and cleaning mechanism, and one end of the base is fixedly connected with the dredging and cleaning mechanism. The pretreatment assembly sprays a cleaning solution into a pipeline in advance to soften or dissolve dirt, the device can enter the pipeline conveniently to conduct dredging and cleaning work, meanwhile, the lubricating movement assembly ensures that the device smoothly moves in the pipeline, friction force is effectively reduced through the lubricating liquid spraying device, and the pipeline is protected against damage; the scraper assembly is provided with multiple layers of scrapers and cleaning liquid jet orifices and can powerfully scrape sediments and enhance the cleaning effect, then, the cleaning assembly enables a cleaning brush to be tightly attached to the inner wall of the pipeline through a spring rod system to conduct deep cleaning, and pipeline cleaning rubber can remove stubborn stains without damaging the inner wall of the pipeline. The driving assembly provides a power source for the whole pipe cleaning mechanism, so that the pipe cleaning mechanism can reciprocate or rotate in the pipeline.

In the liquid injection device involved in the present disclosure, the sealing performance during the capping is ensured. The liquid injection device comprises: a liquid injection head having a plurality of head chips and a fixed plate, wherein the plurality of head chips have a nozzle plate provided with a plurality of nozzles, and the fixed plate is provided with a plurality of openings for respectively exposing the nozzle plates provided by each of the plurality of head chips; and a cap, which can abut against an annular abutment area provided on the fixed plate. The fixed plate is provided with a first hole and a second hole different from the plurality of openings, the fixed plate having a first surface provided with the abutment area, and a surface on the opposite side of the first surface and a second surface to which the plurality of head chips are fixed, the plurality of openings are arranged on the inner side of the abutment area when viewed from above in a direction perpendicular to the first surface, the first hole and the second hole are respectively arranged on the inner side of the abutment area when viewed from above, and are blocked by a filler.

Apparatus for cleaning a surface with a liquid jet, the apparatus having: a main housing; a primary fluid conduit having a longitudinal axis and two ends, a fluid-intake end and a fluid-exit end; a gear assembly configured to engage the primary fluid conduit and rotate the primary fluid conduit about the primary-fluid-conduit longitudinal axis; a nozzle connected pivotally to the pivot pin; the hydraulic cylinder mounted to the main housing and configured to move the hydraulic-cylinder rod along a linear path by exerting a unidirectional force upon the first end of the hydraulic-cylinder rod; the hydraulic-cylinder rod positioned within the fluid conduit and the second end of the hydraulic-cylinder rod pivotally connected to the nozzle; and the nozzle configured to pivot about the pivot-pin longitudinal axis as the hydraulic-cylinder rod moves along the linear path.

There are provided a head chip, a liquid jet head, a liquid jet recording device, and a method of manufacturing the head chip each capable of achieving a reduction in size in a direction perpendicular to the ejection direction while ensuring the desired ejection performance. The head chip according to an aspect of the present disclosure includes a first ejection section, a jet hole plate arranged at a first side in a first direction of the first ejection section, a return plate which has a plurality of first communication channels configured to individually communicate a plurality of first jet channels and a plurality of first jet holes with each other, and which is arranged between the first ejection section and the jet hole plate in the first direction, and a flow channel plate which has a plurality of first connecting channels individually communicated with the plurality of first communication channels to constitute first return channels together with the corresponding first communication channels, and a manifold communicated in a lump with the plurality of first connecting channels, and which is arranged at a second side in the third direction of the first ejection section.

The invention relates to a device for wrapping a liquid jet (70) widening in a fan shape with an air flow. The device (14; 154, 154; 204) has a housing (16; 204) with a through-channel (18); 206, 206; 252) having an inlet section (28) and an outlet section (30), the outlet section (30) extending to the outlet opening (24) and widening in a fan-shaped manner in the beam plane (34) with gradual approach to the outlet opening (24), and wherein the device has a nozzle carrier assembly (36) which sinks into the inlet section (28) and is surrounded by an air delivery chamber (100), the nozzle carrier assembly has a nozzle carrier part (38) which forms a liquid inlet channel (42) and has a first end region (46), at which a flat jet nozzle (12) can be detachably mounted. In order to further improve the device in such a way that the flat beam nozzle (12) can be mounted on the nozzle carrier part (38) in an operable manner, the invention proposes that the device has an orientation and locking device (78; 172) for orienting and locking the flat beam nozzle (12) in a predetermined rotational position relative to the beam plane (34) of the output section (30). The invention further relates to a liquid dispensing device (10, 150, 200, 230, 250) having such a device and a flat jet nozzle.

Described is a container rotating device for use in handling bulk material, comprising: a frame attachable to a wharf crane or other lifting device; a container rotating mechanism assembled to the frame and configured to selectively engage with the container and rotate the container to dump contents of the container; and the arrangement of liquid jet outlets is mounted on a device for generating liquid jets to suppress dust during tilting operation of the container.