224results about "Liquid supply arrangements" patented technology

A plant holder for holding an amount of rooting (growing) media in which plant roots develop that electrically isolates the plant roots from an electric field used to deliver water and plant nutrients to that rooting media via a high-voltage, low-current electrospray system. A conductive material disposed proximate the rooting media receives electrically charged droplets including water or nutrients and passes the water or nutrients to the rooting media while directing the electrical charge to ground.

The invention discloses a powder spraying device and a using method thereof, the powder spraying device is applied to the technical field of powder spraying, a circulating mechanism is arranged, a conveying assembly can be matched with a conveying assembly, an anti-blocking assembly, a spraying assembly and a recycling assembly, and the anti-blocking assembly is driven by the conveying assembly to rotate; the anti-blocking assembly can drive the spraying assembly to adjust the spraying direction, air at the recycling assembly is pumped into the anti-blocking assembly through the air supply assembly, and when the conveying assembly conveys powder to the anti-blocking assembly, the air supply assembly conveys the flowing air into the anti-blocking assembly; the anti-blocking assembly can scatter caked powder along with flowing air and convey the powder to the spraying assembly, the spraying assembly can spray the powder to the surface of a workpiece needing to be sprayed, the recycling assembly recycles the powder splashed during spraying, and the effect of recycling and spraying the powder can be achieved; and the flexibility of powder spraying is improved.

The invention relates to a counter-ion adsorption high-voltage electrostatic spraying device and application thereof to preparation of a food sugar coating, and belongs to the technical field of equipment machinery and food processing. The device comprises a material conveying system, a high-voltage electrostatic spraying system, a sugar liquid supply system, a gas supply system, a sugar liquid recovery system, a microwave vacuum drying system and a control cabinet, the sugar liquid supply system and the gas supply system are both connected with the high-voltage electrostatic spraying system, the material conveying system is arranged below the high-voltage electrostatic spraying system, the material conveying system is connected with the microwave vacuum drying system, and the sugar liquid recovery system is further arranged below the material conveying system; the above systems are all controlled by a control cabinet. Through pulse switching of a high-voltage electrostatic field and a sugar liquid material, counter-ion charge accumulation of sprayed sugar liquid is realized, namely, positive charge sugar liquid (chitosan and the like) and negative charge sugar liquid (Arabic gum, carrageenan and the like) are alternately sprayed under the high-voltage electrostatic field, so that electrostatic adsorption and directional deposition of the sugar liquid on the surface of food are realized.

The invention relates to an electrostatic powder sprayer which comprises a gun body, a high-voltage module, an air duct assembly, a scattering head and an electrode needle. The air duct assembly comprises a spray pipe, the spray pipe is provided with a first channel and a positioning column coaxial with the first channel, the end, facing the scattering head, of the positioning column is provided with a step and a first through hole, the outer surface of the spray pipe is provided with a first groove, the first through hole is communicated with the first groove, and the scattering head detachably sleeves the step through a second through hole. The electrode needle penetrates through the first through hole and the second through hole, and the two ends of the electrode needle penetrate out of the second through hole and the first groove respectively. The electrostatic powder sprayer has the following advantages that only the scattering head can be disassembled and assembled, and the replacement difficulty is small; the scattering head is sleeved on the step, the precise mounting position of the scattering head can be ensured due to the limitation of the step, and the electrode needle only needs to penetrate through the second through hole section again; through the design of the first groove, the state of the electrode needle can be observed after the electrode needle penetrates out of the first through hole, and penetrating of the electrode needle is facilitated.

The invention belongs to the related technical field of electrospray curved surface packaging, and discloses an array electrospray self-adaptive conformal device and method, and the device comprises a contour scanning module, an industrial personal computer, a nozzle movement module and an array electrospray module. The array electrospray module is arranged on the nozzle movement module, and the nozzle movement module is used for driving the array electrospray module to move up and down; the industrial personal computer is respectively connected to the nozzle movement module and the array electrospray module; the contour scanning module is used for scanning the curved surface shape of the electrospray substrate and transmitting curved surface point cloud data obtained through scanning to the industrial personal computer; the industrial personal computer is used for processing the received curved surface point cloud data and generating a height control signal according to a processing result, and the height control signal is transmitted to the nozzle movement module to dynamically control the nozzle movement module, so that the spraying height of the array electrospray module at each position point of the curved surface corresponds to the curved surface. The method has high universality and adaptability for different curved surfaces.

The present invention relates to an electrostatic spray device comprising: a water tank unit having one open side and accommodating a liquid base solution; an electrode unit, which applies power to the base solution so as to generate a potential difference for droplet formation of the base solution; and a nozzle unit which is provided inside the water tank unit and which discharges the base solution in the droplet form by means of the potential difference, wherein the nozzle unit has a lower portion immersed in the base solution, and thus can autonomously absorb the base solution. Therefore, the present invention can spray micro-droplets by means of electrostatic spraying.

A spray device includes: a housing having a discharge opening; an electrode positioned near the discharge opening; an electrostatic generator coupled to the electrode; a compartment for receiving a pressurized canister of a chemical product having a valve movable between a closed position and an open position, the compartment configured to position the valve in fluid communication with the discharge opening; an actuator configured to move the valve between the open and closed positions; and an electronic controller programmed to: power the electrostatic generator; and operate the actuator to open the valve.

A method and associated paint finishing system are disclosed for performing predictive maintenance on equipment used for delivering liquid paint in a paint finishing facility. The method comprises: identifying a set of components of the equipment and associated maintenance requirements; for each of the components, providing a set of operating parameters (401-404) that affect useful service life of the component; for each component, providing an algorithm (410) relating the operating parameters to a remaining time by when a maintenance operation on the component is to be performed; monitoring each of the operating parameters (401-404) during operation of the paint finishing facility; for each component, applying the algorithm (410) with the monitored operating parameters (401-404) to calculate the remaining time for the component (420); and for each component providing to a maintenance operative an alert indication relating to the remaining time for the component.

The present disclosure relates to a process for electrostatic spray drying of a living microorganism with a specific surface charge. using electrostatic charge provided by a high voltage source, wherein said electrostatic charge is the same as the surface charge of the microorganism.

The invention discloses powder pollution-free circulating type automatic powder spraying equipment, and belongs to the technical field of powder spraying, the powder pollution-free circulating type automatic powder spraying equipment comprises an outer shell, a powder spraying cavity is formed in the inner side of the outer shell, the bottom of the powder spraying cavity communicates with a stirring cavity, a fixed frame is arranged on the inner side wall of the outer shell, and a movable rod penetrates through the top end of the fixed frame; one end of the movable rod is fixedly connected with a contact seat, one end of the movable rod away from the contact seat is fixedly connected with a guide block, and the outer surface of the movable rod is sleeved with a reset spring; through the arrangement of structures such as a clamping frame, a rubber chuck, a driving wheel, a belt, a driven wheel and an eccentric wheel, parts can be stably clamped and limited in a mechanical clamping mode, longitudinal shaking of the clamped parts can be achieved, and therefore after powder spraying of the parts is completed, the parts can be stably clamped and limited. And redundant powder attached to the surfaces of the spare and accessory parts is shaken off, so that the situation that normal use of the spare and accessory parts is affected by excessive attached powder is prevented.

The utility model relates to the technical field of powder spraying, in particular to a device for conveying powder, which comprises a first powder pipe and a second powder pipe, and the first end of the first powder pipe is connected with the first end of the second powder pipe through a first three-way pipe; the second end of the first powder pipe is connected with the second end of the second powder pipe through a second three-way pipe, and after the first powder pipe and the second powder pipe are connected, the first powder pipe and the second powder pipe are both in an arc shape. After powder coating enters the device, the powder coating collides with the inner peripheral wall of the first powder pipe and the inner peripheral wall of the second powder pipe for multiple times in the arc-shaped first powder pipe and the arc-shaped second powder pipe respectively, and in the collision process, large-particle coating gathered together can be separated, so that the powder coating is separated from the inner peripheral wall of the first powder pipe and the inner peripheral wall of the second powder pipe. According to the device, the large-particle coating is effectively dispersed before entering the spray gun, a series of negative effects caused by non-uniform powder sprayed by the spray gun are avoided, and therefore the spray gun has a better spraying effect.

The powder supply mechanism for the electrostatic powder spray gun comprises a powder barrel and a flow dividing piece, and the powder barrel is detachably connected to a shell of the electrostatic powder spray gun; the flow dividing piece is configured to communicate the powder barrel with the nozzle and is used for fluidizing powder in the powder barrel; the flow dividing piece comprises an air inlet pipe located in the powder barrel, the air inlet end of the air inlet pipe communicates with the fan assembly, and at least two air outlets are formed in the air outlet end of the air inlet pipe. According to the powder supply mechanism for the electrostatic powder spray gun, at least two air outlets are formed in the air outlet end of the air inlet pipe, and the air flowing out of the air inlet pipe is shunted through the two air outlets, so that the blowing direction and the blowing range of the air to powder in the powder barrel are increased, the flowability of the powder in the powder barrel is enhanced, and the fluidization property of the powder is enhanced; and the caking probability is reduced, so that the powder can uniformly flow into the nozzle, powder particles are more easily charged by an electrostatic field, and the electrostatic spraying efficiency and the adsorption effect are improved.

An applicator for electrostatic deposition of dry powder on a grounded continuous moving electrically conductive web is provided that includes a powder feeding system, at least one powder dispenser, an electrostatic deposition chamber, and at least one wire electrode in the electrostatic deposition chamber. An opening of a powder dispenser outlet is arranged along the latitude of the electrically conductive web, and the ratio of the width of the outlet opening and the coating width of the web is in the range of 0.25-1.0. The powder dispenser has a defined angle relative to the web and a vertical distance between the powder dispenser outlet and the web. The first wire electrode generates a corona discharge zone with a radius and have a vertical distance between the web.

A portable, hand-held electrospinning or electrospraying apparatus and system, method, and portions thereof, comprised of a durable portion of the hand-held apparatus and a consumable portion of the hand-held apparatus. The consumable portion of the hand-held apparatus, which may contain the solution to be output in electrospin or electrospray fashion, may be replaced in whole or in part to provide additional or alternative solution. A base station may be provided, and can output high voltage and communication signals to the hand-held apparatus to enable the electrospin or electrospray operation by the hand-held apparatus.

The invention relates to a powder conveying system and a powder conveying control method in the technical field of powder conveying, the powder conveying system comprises a pressure distribution and cleaning control module, a pneumatic control module, a powder blending module and a filtering module, two retrograde channels are adopted for powder blending, the two channels work alternately, and the powder suction process and the powder feeding process are completed respectively. A retrograde double-channel powder blending system is adopted for powder blending, the two channels work alternately, the powder suction process and the powder feeding process are completed respectively, and therefore large-amount stable conveying of powder is achieved, an inlet and an outlet of the powder are located at the same end, after the powder is sucked into a filter element space, the powder is retained in the filter element space within a certain time, and when the powder reaches the powder discharging time sequence, the powder is discharged out of the filter element space. Powder feeding gas is blown into the filter element space from the outside of the filter element and pushes powder to enter the main powder outlet, clean air is directly introduced into the opening in the other end of the filter element, and the clean air directly acts on the powder channel and blows the inlet and the outlet respectively.

The utility model discloses a quantitative air electrostatic spray gun which comprises a spray gun body and a quantitative mechanism. An external inlet is formed in the bottom end of a handle part of the spray gun main body; the quantifying mechanism comprises a quantifying pot, a pot lid detachably fixed to the quantifying pot and a fixing assembly movably installed on the pot lid, a feeding suction pipe extending into the quantifying pot is arranged on the spray gun body, and the fixing assembly can fix the spray gun body. According to the quantitative air electrostatic spray gun, the spray gun body, the quantitative mechanism, the quantitative pot and the feeding suction pipe are used in cooperation, quantitative spraying can be conducted on the spray gun body, the feeding pipe, the external connecting pipe and the external connector can be fixed or detached through the first fixing piece and the second fixing piece, and the quantitative air electrostatic spray gun is convenient to use. And through the arrangement of the handle rod and the clamping piece, the first fixing piece and the kettle cover can be fixed or detached, paint is prevented from being accumulated in the quantitative kettle, and people can use the quantitative kettle conveniently.

The utility model discloses a powder spraying device capable of uniformly spraying powder, which comprises a bearing plate, a supporting box body is fixedly arranged above the bearing plate through a bolt fastener, a control box body is stably and fixedly arranged at the top of the supporting box body, an oil-water separator is arranged on one side of the supporting box body, and a water outlet is formed in the other side of the supporting box body. A main air inlet seat is specially arranged on the rear side of the control box body, an air inlet pipe is connected to the upper portion of the main air inlet seat, a vulcanizing powder barrel device is further placed on the upper portion of the bearing plate, a powder suction rod stretches into the vulcanizing powder barrel device to suck powder, the powder is conveyed to a spray gun through a wheel cylinder body and a powder conveying pipe, it is guaranteed that the powder is conveyed stably and continuously, and a foundation is laid for uniform powder spraying. The fluidizer enables powder to uniformly enter a gun and avoid caking, the adjusting static knob on the box body is controlled to accurately adjust static parameters, the powder is uniformly attached to a workpiece, the atomization adjusting valve accurately adjusts atomization parameters, the powder is atomized well and diffused uniformly, uniform distribution in the whole powder spraying process is achieved, and the powder spraying quality is improved.

The present disclosure provides an air-assisted ultrasonic magnetization electrostatic nozzle, and belongs to the technical field of agricultural equipment. The air-assisted ultrasonic magnetization electrostatic nozzle includes a Laval tube, a liquid inlet section, a charging electrode plate, and a resonant cavity. After being accelerated by the Laval tube, an air impacts a liquid that enters through the liquid inlet section arranged at an outlet end of the Laval tube. The liquid is impacted into fine droplets and the fine droplets are positively electrified after passing through the charging electrode plate arranged at an outlet end of the liquid inlet section, to obtain electrified droplets. The electrified droplets enter the resonant cavity and are magnetized, to obtain magnetized droplets. The magnetized droplets are atomized and sprayed out by a metal film arranged at an outlet end of the resonant cavity. In the present disclosure, with the arrangement a metal oscillator, the Laval tube, and the charging electrode plate, the atomized droplets are magnetized and electrified, so that the atomized droplets are more effectively adsorbed on plants in an aeroponic chamber, to accelerate the root system growth of aeroponically propagated crops. With the arrangement of a temperature-regulating device, airflows with different temperatures can be output according to the temperature of the aeroponic chamber, so as to regulate the environmental temperature and promote the rapid growth of the plants.

The present disclosure is directed to a tool for operating a nozzle holder. The nozzle holder is configured to couple a spray nozzle to a spray device, and includes an outer ring movable between a holding position and a release position. The nozzle holder is configured to securely hold the spray nozzle when the outer ring is in the holding position, and release the spray nozzle when the outer ring is in the release position. The tool includes an elongated body including a first end that defines an annular rim and a pocket that communicates with the annular rim. The annular rim is configured to selectively engage the outer ring to move the outer ring from the holding position to the release position. The elongated body also includes a second end that defines a recess configured to selectively receive and hold a portion of the spray nozzle.

The utility model provides a powder atomizer nozzle for large plane workpiece spraying, which comprises a nozzle body, the nozzle body comprises an outermost cup cover, a conductive base connected with powder spraying equipment, a first powder plate and a second powder plate, the first powder plate and the second powder plate are arranged in the cup cover, and the first powder plate and the second powder plate are arranged in parallel. The first powder plate and the second powder plate are connected through a powder plate connecting column perpendicular to the powder plate; a powder channel is formed in the spray head body, according to the acting force of powder spraying equipment, after powder passes through the powder channel and then rotates to pass through the first powder plate and the second powder plate in the cup cover body, the impact force of the powder is turned to be flexible, the powder is sprayed out of the powder outlet, and the powder is gently and evenly sprayed to a workpiece.

The utility model provides an insulating paint supply box, and relates to the technical field of supply boxes, the insulating paint supply box comprises a shell, a hinge is fixedly installed on the surface of the shell, a cover plate is fixedly installed on the surface of the hinge, a transparent plate is fixedly installed on the surface of the cover plate, and a handle is fixedly installed on the surface of the cover plate. During use, a material tank is firstly placed in the shell, then a material cover corresponds to the material tank and is pressed downwards, the material cover completely slides into the top end of the material tank, then a rotating handle is pinched, a threaded rod corresponds to a rotating groove and rotates, and the threaded rod is completely rotated into a fixed block through the rotating groove. And at the moment, the threaded rod is rotated into the material tank through the fixing groove, and the material cover is firmly clamped at the top end of the material tank, so that the situation that the top end of the material tank is mostly and directly covered with the material cover of an existing supply box, and the sealing performance of the supply box is poor due to the fact that a thin gap exists between the material cover and the material tank easily in the using process is avoided.

This invention relates to the field of powder coating technology and discloses a powder coating device for color changing on metal surfaces, including a spray gun with a powder input pipe nested at the bottom. Due to the volume of powder in a clumped state, it may impact the side wall of the inductive sensor under the influence of the output airflow from the gas supply pipe. The impact force causes a certain degree of separation. Based on the internal layout of the sieving impeller, some of the clumped powder undergoes secondary separation at this point along with the flowing airflow, reducing the potential for clumping. The high-pressure gas injected into the spray gun causes the drive impeller to rotate, which in turn drives the sieving impeller to rotate. Several protrusions are arranged on the blades of the drive impeller. The gaps between these protrusions affect the flow of gas and powder along the outer wall, exhibiting a wind-breaking behavior that facilitates flow. The arrangement between the blades effectively divides the airflow.

The application discloses a low-cost electrospray device for capturing nanoparticles in a vacuum system, which comprises a micro-injection pump, a stainless steel capillary, a high-voltage direct-current power supply and a vacuum cavity. The micro-injection pump is used to slowly extrude a syringe to provide a stable flow rate of a nanoparticle solution for the device. A conductive wire is connected to the liquid through a PEEK tee connector to charge the liquid. The vacuum cavity is located behind the electrospray and has a pressure lower than the atmospheric pressure. The charged liquid is attracted by a grounded metal ring after flowing out of the stainless steel capillary, breaks through the surface tension and forms a uniform spray to pass through the middle of the grounded metal ring. The electrospray is sucked into the vacuum cavity due to the pressure difference. A quadrupole rod is arranged in the vacuum cavity to guide and store the nanoparticles. The device can form a stable and continuous nanoparticle electrospray by providing a lower voltage, so as to realize the loading of the nanoparticles in the vacuum.

The utility model discloses an electrostatic atomization pulp shooting machine, which belongs to the technical field of concrete pulp shooting equipment and comprises an electrostatic atomization mechanism, a gravel feeding mechanism and a spray gun. The electrostatic atomization mechanism comprises an electrostatic atomization device frame, a high-voltage electrostatic generator is arranged in the electrostatic atomization device frame, a cement paste box is arranged on the upper portion of the electrostatic atomization device frame, a cement paste stirrer is arranged in the cement paste box, and one end of the cement paste box is connected with the output end of a gas-liquid booster pump; the gravel feeding mechanism comprises an air compressor, the output end of the air compressor is connected with one end of a gravel box, a gravel hopper is arranged at the upper end of the gravel box, a gravel filter sieve is arranged in the gravel hopper, and a gravel feeding baffle is arranged at the lower end of the gravel filter sieve. According to the spraying machine, the problems of uneven spraying and unobvious atomization effect of the spraying machine can be solved, uniform spraying is guaranteed, the atomization effect is obvious, and then the working efficiency is improved; the coating can be prevented from being solidified in the cavity, and the project progress is guaranteed.

A method of additive manufacturing using magnetohydrodynamic (MHD) printing of liquid metal. A first current pulse is applied to a liquid metal in a nozzle to eject a droplet from a discharge orifice. A second current pulse is applied to the liquid metal in the nozzle to reduce an amplitude of the oscillations in a meniscus on the discharge orifice. The second current pulse can be either of an opposite or the same polarity as the first current pulse and is timed according to according to the oscillation.

The utility model relates to the field of electrostatic spraying, in particular to a special electrostatic spraying gun for metal powder, which comprises an electrostatic spraying gun body, one side of the electrostatic spraying gun body is communicated with a powder feeding seat, the upper part of the powder feeding seat is provided with a powder funnel, the other side of the electrostatic spraying gun body is provided with a driving motor, and the output end of the driving motor extends into a dust cavity in the powder feeding seat. A friction wall assembly is arranged on one side of the inner wall of the dust cavity, and a conveying opening is formed in the other side of the inner wall of the dust cavity. According to the metal powder screening device, metal powder enters the powder feeding base through the powder funnel and enters the dust cavity under the rotating conveying effect of the spiral blade, the rotating special-shaped friction block is arranged in the dust cavity, and the special-shaped friction block is matched with the friction wall assembly to screen and grind large particles in the metal powder; and the metal powder is thrown into the conveying opening through the guiding effect of the special-shaped friction block, and powder supply is conducted through the powder conveying pipe.

The utility model relates to the technical field of electrostatic spraying, and discloses a water paint electrostatic spraying gun and an electrostatic spraying device. The water-based paint electrostatic spraying gun comprises a gun shell, the gun shell comprises an atomizing end and an air inlet end, and the gun shell is communicated with a coating pipe allowing water-based paint to flow in. The air inlet integration seat is connected with the air inlet end, a compression air inlet is formed in the air inlet integration seat, and the air inlet integration seat is communicated with the air inlet end at the compression air inlet; the electrostatic assembly is arranged in the gun shell and comprises an electrode needle, the electrode needle is electrically connected with a power supply, the power supply is electrically connected with a turbine set, and the turbine set compresses air at the compressed air inlet; the atomization assembly is arranged at the atomization end, and the atomization assembly is connected with the electrode needle. The electrostatic spraying device comprises the electrostatic spraying gun and a paint supply mechanism. The electrostatic spraying gun has the technical effect of reducing potential safety hazards caused by damage of a high-voltage cable when the existing electrostatic spraying gun transmits static electricity through the high-voltage cable.

The invention provides a precise and intelligent variable electrostatic floating-reducing spraying system for under-forest panax notoginseng. The system comprises a walking assembly; and the supporting box body is fixedly mounted at the top of the walking assembly. According to the precise intelligent variable electrostatic floating-reducing spraying system for the under-forest panax notoginseng, the walking assembly, the supporting box body, the multi-dimensional information and environment sensing assembly, the central controller, the mixing assembly, the supply assembly, the blocking assembly, the two electrostatic spraying assemblies and other structures are matched with one another; the multi-dimensional information and environment sensing assembly automatically collects plant growth vigor, disease degree and environment data, the central controller accurately calculates the pesticide application amount of a single plant or a plot, and manual judgment is not needed; the supply assembly quantitatively supplies medicine to the mixing assembly, and the mixing assembly quickly realizes uniform mixing of liquid medicine without manual stirring; the walking assembly is adaptive to rugged terrain under the forest through autonomous navigation, manual traction is not needed, and therefore the problems that traditional pesticide application is poor in accuracy and large in manual labor intensity are solved.