106results 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 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 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.

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 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.

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 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.

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 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.

The present invention discloses the design and development of an electrostatic coating system comprising of a novel technique of height adjustment through pressure sensing and feedback mechanism in twin-phase air-assisted and forced-liquid flow based electrostatic nozzle(s). Variable height electrostatic edible coating system provides uniform and efficient coating to ensure shelf-life extension, improved nutritional value and enhanced sensory attribute.

The invention relates to a coating device (e.g. a painting robot) for coating components (e.g. motor vehicle body components) with a coating agent (e.g. paint), comprising - a protective region (8) which is explosion-proof due to the risk of explosion (e.g. as a result of an explosive atmosphere, e.g. due to gas or dust) and / or is under high voltage during operation, - an unprotected region (9) in which an explosive atmosphere is not present or is only occasionally and very rarely present during normal operation and which is therefore not explosion-proof and / or lies at ground potential during operation, - multiple sensors (10-13) for measuring process variables of the coating device, said sensors (10-13) being arranged in the protective region (8), - a data interface (16) for an external data communication, said data interface (16) being arranged in the unprotected region (9), and - a transmission system (21) for transmitting data between the sensors (10-13) in the protective region (8) and the data interface (16) in the unprotected region (9). According to the invention, a collecting device (14) is additionally provided in the protective region (8), wherein the collecting device (14) is connected to the sensors (10-13) and obtains measurement values of the process variables from the sensors (10-13), and the collecting device is also connected to the transmission system (21) in order to transmit the measurement values of the sensors (10-13) to the data interface (16).

The application discloses a kind of electrostatic atomizer host computer, solve the technical problem that existing electrostatic atomizer nozzle is not adjustable.The electrostatic atomizer host computer of the present application, including shell, water pump for pumping liquid and nozzle assembly fixed in the shell, electrostatic module is also provided in the shell, and the electrostatic module includes the electrostatic charging electrode that is arranged outside the nozzle assembly, and the adjusting assembly that is connected with the water pump and the nozzle assembly is also provided in the shell, and the adjusting assembly includes the adjusting shaft that can be rotated along the axis of rotation, and the liquid flow channel is provided in the adjusting shaft, and the liquid flow channel includes the liquid inlet that is connected with the water pump and the liquid outlet that is arranged eccentrically relative to the axis of rotation, nozzle assembly is provided with a plurality of nozzles, and the plurality of nozzles are distributed on the nozzle assembly in a circumferential direction, and the liquid outlet is corresponded to any one of the plurality of nozzles by rotating the adjusting shaft, so as to facilitate the operator to select the appropriate nozzle.In addition, the present application also provides an electrostatic atomizer, including a water tank and the above host computer.

The application discloses a large-flow electrostatic atomization device, which comprises a double-layer electrode plate, a groove box, a supporting rod, a liquid storage box and a peristaltic pump, wherein the double-layer electrode plate comprises a microporous sheet and a metal shielding electrode plate, the metal shielding electrode plate is provided with through holes, and the through holes correspond to the holes on the microporous sheet one by one; the liquid storage box is connected with a liquid injection unit; the microporous sheet is immersed in a circular shallow groove box; and the metal shielding electrode plate is connected with a negative high-voltage direct-current power supply; the microporous sheet is connected with a negative high-voltage direct-current power supply with a higher voltage than the metal shielding electrode plate; the device uses the dense small holes of the microporous sheet to greatly increase the atomization flow; the double-layer electrode plate can effectively eliminate the voltage edge effect between adjacent channels and enhance the stability of the atomized jet flow; and the application efficiency of the electrostatic atomization in multiple fields can be expanded.

The invention relates to the field of coal mine goaf fire prevention and control, and discloses a coal mine goaf fireproof charge atomization device which comprises a drilling mechanism, a liquid conveying mechanism, an atomization mechanism, a charge mechanism and a diffusion injection mechanism. The drilling mechanism comprises a drilling machine, a drill rod and a drill bit. The drill rod and the drill bit are made of insulating explosion-proof materials, connected and integrally fixed to a drilling machine, the side walls are each of a double-layer design, and electric wires are arranged in an interlayer of the side walls. A water pipe passes through the drill rod, two ends of the water pipe are respectively connected with the liquid conveying mechanism and the atomizing mechanism, and the atomizing mechanism is fixed at the joint of the drill rod and the drill bit. The drill bit is of a divergent structure with the diameter gradually increased from the input end to the output end, and a charging mechanism and a diffusion jetting mechanism are arranged in the drill bit. Charged fog drops generated by the device can be used for realizing efficient and uniform spraying of a fire-proof material in a coal mine goaf, so that the occurrence of coal mine fire accidents is reduced.

The present invention generally relates to an electrostatic coating system for spraying a stream of particles onto a medium, and in particular to a system comprising one or more apparatus equipped with a powder coating suspension device. What is also contemplated is the use of a powder management system configured to supply predetermined powered and air mixtures to the apparatus and a controller configured to adjust parameters of operation of both the apparatus and the powder management system. The present disclosure relates to an in-line industrial device able to coat paint, starch, thermoplastic materials, or any other powder material onto a medium by successively controlling a plurality of parameters.

The invention belongs to the technical field of steel pipe anti-corrosion treatment equipment, and particularly relates to outdoor epoxy powder spraying equipment and a construction method. The equipment comprises a rotating base, a clamping base, a rotating cylinder, a dispersing mechanism, a driving mechanism, a pressure bin and an electrostatic spraying machine. The method comprises the steps of fixation of additional equipment, humidity control, spraying, drying and the like. The defect that after the outdoor steel pipe is welded, the spraying effect is poor due to the fact that epoxy powder is sprayed through a spray gun of existing equipment under the influence of wind power and humidity factors is overcome, the problem that epoxy powder sprayed through a conventional spray gun is uneven in distribution is solved, and the effect of spraying epoxy powder to the welding position of the outdoor steel pipe can be remarkably improved; and the epoxy powder spraying and coating drying line production is achieved, the spraying effect is guaranteed, meanwhile, the construction efficiency is improved, and the device is worthy of application and popularization in the high-quality steel pipe welding corrosion prevention field.

The invention discloses a powder supply system for an automatic spray gun, which comprises a carrier, a spray gun, a powder supply device and a powder pump, the spray gun, the powder supply device and the powder pump are arranged on the carrier, and the powder pump is connected with the powder supply device and the spray gun to supply powder to the spray gun. The carrier can move the spray gun, the powder supply device and the powder pump at the same time so that the spray gun, the powder supply device and the powder pump can be relatively static, and the powder supply length between the spray gun and the powder pump is smaller than 5.0 m. According to the powder supply system, the powder supply length between the spray gun and the powder pump can be shortened, the energy consumption of the powder pump can be controlled, the powder conveying capacity of the powder pump is improved, the part loss is reduced, and the production efficiency is guaranteed.

The present disclosure provides an electrostatic nozzle and a controllable jet minimal quantity lubrication (MQL) grinding system. The electrostatic nozzle comprises a nozzle core; an upper nozzle body is connected above the nozzle core; a free space is formed between the upper nozzle body and the nozzle core for storing compressed air and reducing pressure; a lower nozzle body is connected below the nozzle core; a gas-liquid mixing chamber, an acceleration chamber and a nozzle outlet are sequentially arranged inside the nozzle core from top to bottom; and micro-bulges are uniformly distributed on an inner wall of the acceleration chamber.

The utility model discloses a high-efficiency steel pipe inner wall and outer wall powder spraying mechanism which comprises a storage cylinder and a powder spraying machine body, the powder spraying machine body is fixedly arranged on the bottom side of the storage cylinder, a powder spraying assembly is arranged on the storage cylinder, the powder spraying assembly comprises an air pump, and the air pump is fixedly arranged in the center of the top end of the storage cylinder. When the powder spraying device for the inner wall and the outer wall of the steel pipe is used, powder coating is driven into air near the inner wall and the outer wall of the steel pipe through airflow flowing from bottom to top in the storage barrel, and then the powder coating makes full contact with the inner wall and the outer wall of the steel pipe and is evenly adsorbed to the inner wall and the outer wall of the steel pipe under the action of electric field force; the position or angle of the steel pipe does not need to be adjusted, the device is high in automation degree and easy to operate, and the powder spraying efficiency of the inner and outer pipe walls of the steel pipe is improved.

The utility model relates to the technical field of electrostatic powder spray guns, in particular to an air inlet mechanism of an electrostatic powder spray gun, which comprises a first air supply pipeline, a second air supply pipeline, a third air supply pipeline, a fourth air supply pipeline and a fifth air supply pipeline, one end of the second air supply pipeline detachably sleeves the inner concave structure, and the other end of the second air supply pipeline is used for being connected with a powder supply mechanism; wherein a fan used for generating airflow is detachably arranged in the first air supply pipeline, and the second air supply pipeline is used for conveying the airflow generated by the fan to the powder supply mechanism; the first air supply pipeline is detachably connected with the second air supply pipeline, and the first air supply pipeline is detachably connected with the fan, so that the first air supply pipeline, the second air supply pipeline and the fan are convenient to replace and maintain, and the interiors of the first air supply pipeline and the second air supply pipeline are convenient to clean.

The invention discloses a film coating device for filter film production based on an electrostatic film coating method, relates to the technical field of filter films, and provides the following scheme aiming at the problems that a base material provided by the background technology is easy to form secondary pollution, the base material cannot be subjected to real-time dust removal treatment, slurry cannot be stably attached to the base material, and the film coating effect is poor. Comprising a base and a base material, the mounting mechanism comprises two mounting seats which are respectively connected to the outer wall of the top of the base through bolts, and two ultrasonic dust removers which are respectively connected to the outer walls of the opposite sides of the two mounting seats through bolts; the two atomization depositor and the two terahertz pulse irradiator are respectively connected to the outer walls of the opposite sides of the two mounting seats through bolts. According to the device, dust attached to a base material can be cleaned in real time, secondary pollution of the base material in the conveying process is prevented, the situation that slurry cannot be stably attached to the base material is avoided, and the film coating effect is improved.