62results about "Liquid supply arrangements" patented technology

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.

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 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.

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.

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 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 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.

A disposable fluid delivery system for an electrostatic applicator. The system includes a nozzle housing including an air supply port, a voltage port, and a delivery outlet. A voltage wire has a contact in communication with a delivery tube in fluid communication with the delivery outlet. A syringe includes a barrel portion and a plunger configured to advance fluid from within the barrel portion and through the delivery tube. A cartridge housing can at least partially enclose the nozzle housing, the voltage wire, and the syringe.

The electrostatic coating plant includes an abnormality detection unit that detects abnormalities of a bumper. The detection of the abnormalities can be based on the difference between the level of the high voltage outputted from a high voltage generator, and the voltage level obtained when the electrostatic coating machine, which is not spraying coating material, is placed at a measurement position opposite to and separated by a predetermined separation distance from multiple measurement points on the bumper, arranged at the coating position, and lines of electric force are formed to the bumper with a constant current level.

The present disclosure generally relates to a system for storing and continuously supplying a powder or granular material for use in an electrostatic coating system or process, and in particular to one or more apparatuses for precisely supplying a continuous fluidized stream of granules. What is also contemplated is embodiments wherein one or more apparatuses include a powder feed hopper for receiving a fine granular material and delivering a precise and continuous fine granular material flow to a downstream powder coating system or process. In embodiments, the one or more apparatuses include a tilt table for precisely managing the bulk fine granular material stored in containers, such as a Gaylord container, by ensuring a continuous, precise, and controlled supply of fine granular material to a downstream powder coating system or process.

The invention provides a wide-width gas-phase dispersion powder electrostatic deposition device and a using method thereof.The device comprises a reciprocating type guiding discharging module used for evenly supplying and preliminarily distributing powder in the width direction, and the reciprocating type guiding discharging module comprises a powder conveying pipe reciprocating in the width direction and a vibration comb arranged at the discharging end of the powder conveying pipe; the powder dispersing module is located below the discharging port of the distribution hopper and used for conducting electrostatic dispersion on powder and accelerating falling of the powder, and the powder dispersing module comprises a first rotating pin wheel set, a second rotating pin wheel set and a laminar flow gas nozzle which are sequentially arranged in the falling direction of the powder; the method overcomes the defects that in an existing continuous preparation technology, powder cannot be effectively dispersed in the belt walking width direction, the electrode preparation amplitude width is limited by the spray gun width, and the thickness uniformity of a wide diaphragm in the width direction is poor due to multiple spray guns, and the like, and the energy storage device production technology level is comprehensively improved.

This invention relates to a mist deposition apparatus and a mist deposition method that atomizes a solution containing fine material particles (nanoparticles) into a mist and sprays it onto a substrate to be treated, thereby forming a thin film of the material on the surface of the substrate. [Solution] A film-forming apparatus for supplying a mist containing fine particles to a substrate and forming a film containing fine particles on the surface of the substrate comprises an air guide member that covers at least a portion of the surface of the substrate, and a mist supply unit that supplies mist to the space between the surface of the substrate and the air guide member, wherein the mist supply unit includes a charge application unit that positively or negatively charges the mist, and a mist ejection unit that ejects the mist charged by the charge application unit into the space, and the air guide member has a wall surface facing the surface of the substrate and includes an electrostatic field generating unit that generates a potential on the wall surface with the same sign as the mist charged by the charge application unit.

The angle adapter according to the invention for a powder spray device comprises an upstream housing, which has an upstream powder channel, a connection to the powder spray device, and a longitudinal axis, about which the housing can be rotated. The powder spray device additionally comprises a pivot body comprising a downstream powder channel, which connects to the upstream powder channel The pivot body can be pivoted about a pivot axis, whereby the pivot axis runs obliquely to the longitudinal axis. A nozzle is additionally provided, which connects to the pivot body. Several webs and grooves are provided at the housing and pivot body, whereby the webs protrude into the grooves, and the webs and grooves are formed so that they form a labyrinth. A high voltage line is furthermore provided, which extends from the upstream housing via the pivot body all the way into the nozzle and which is formed there as high voltage electrode.

The utility model discloses a feeding system for powder coating, and relates to the technical field of powder coating feeding, the feeding system comprises a negative pressure unit, a mixing unit, a taking unit and a conveying unit, the negative pressure unit comprises a vacuum pump, and the vacuum pump is connected with a negative pressure pipe; the mixing unit comprises a mixing tank, a discharge pipe is arranged at the bottom of the mixing tank, a top cover is arranged on the mixing tank, a stirring mechanism is mounted on the top cover, and a suction pipe is arranged on the top cover; the material taking unit comprises a material taking driving cylinder, and a cylinder cover is arranged at the output end of the material taking driving cylinder; the material conveying unit comprises a machine frame, a rotating disc is rotationally arranged on the machine frame, a plurality of measuring cylinders are arranged on the rotating disc, and the cylinder covers are matched with the measuring cylinders under the control of the material taking driving cylinder. The negative pressure unit, the material mixing unit, the material taking unit and the material conveying unit are arranged, manual work is replaced, mechanical feeding is achieved, the feeding efficiency is improved, and the labor intensity is reduced.

This utility model relates to the field of powder coating machine technology, specifically to an electrostatic powder coating machine for electrostatic powder coating of plates. It includes: a device body, comprising a movable plate, a controller connected to one side of the top of the movable plate, and a material barrel disposed on the other side of the top of the movable plate; a limiting structure is connected to the outer surface of the material barrel, the limiting structure including a fixing ring, and limiting screws inserted into the two sides of the bottom end of the fixing ring. This utility model involves inserting the material barrel between mounting frames, thereby positioning the fixing ring in grooves on both sides of the mounting frame. Then, the tops of the limiting screws are inserted into through holes one and two of the mounting frame and fixing ring, positioning the fixing ring and mounting frame. Finally, a nut is rotated and connected to the outer surface of the top of the limiting screw, thus achieving a limiting effect between the movable plate and the material barrel, preventing the material barrel from falling off when the equipment moves.

The application discloses a kind of high-temperature proton exchange membrane fuel cell catalytic layer dry preparation device, comprising: screen device, workbench, vacuum pump, electrostatic generator, vibrator etc.;And the application of the device in the preparation of high-temperature proton exchange membrane fuel cell catalytic layer.The application device is simple, convenient and easy to make, solvent evaporation is not needed for the preparation of battery catalytic layer using electrostatic deposition method using the application device, which can reduce the number of voids, defects and cracks, and ensure the uniform thickness and morphology of the entire film;Without adding any solvent, avoid the swelling of proton exchange membrane, also avoid the waiting time of evaporating solvent, improve production efficiency.

The utility model belongs to the technical field of automobile accessory machining, and particularly relates to an automobile metal support corrosion-resistant surface coating device which comprises an automobile body, a main machine is connected to the top surface of one side of the automobile body, a spray gun is hung on one side of the main machine, and a containing groove is formed in the top surface of the other side of the automobile body. And a powder barrel is arranged in the placing groove in a sliding manner. A powder barrel is placed in the containing groove in the trolley body, at the moment, the powder barrel can be located between the two limiting clamping blocks, then the motor is started, the output end of the motor drives the two-way screw to rotate, the movable block on the two-way screw can drive the connecting rod to move, and therefore the connecting rod can drive the limiting clamping blocks to move through the inserting rod; the rubber blocks on the inner sides of the limiting clamping blocks can make contact with the powder barrel, the position of the powder barrel can be clamped and fixed to the vehicle body through the limiting clamping blocks by slightly extruding the rubber blocks, and it is guaranteed that the powder barrel is not prone to disengagement and toppling when the vehicle body jolts.

The utility model relates to the technical field of powder spreading, and discloses a hygroscopic powder spreading device which is provided with a loading bin, a drying bin and a battery bin from top to bottom, the loading bin at least comprises two branch bins used for storing hygroscopic powder, and the branch bins control feeding through correspondingly-arranged feeders. The drying bin is used for pumping air through an air pump and drying the air through at least one drying unit; the dried air enters a pipeline system, the pipeline system comprises a venturi tube, a throttling valve and an air pressure balance tube, most of the sucked air is conveyed into the venturi tube, the venturi tube conveys moisture absorption powder, and the moisture absorption powder is sprayed out and scattered through a powder spray head; a small part of sucked air enters a hygroscopic powder package through a throttle valve and an air pressure balance pipe to balance the air pressure; the battery bin is used for containing batteries, and the batteries supply power to the charging bin and the drying bin. The device disclosed by the utility model has the advantages of uniform sowing and controllable sowing dosage and position, is not limited to warm cloud catalyst sowing, and is suitable for sowing various powders.

A system for powder coating is provided. The system includes an electrode connected to a first voltage source configured to apply a first potential to the electrode. The system includes a powder transfer device configured to receive powder particles thereon and transfer the powder particles towards the electrode. An outer surface of the powder transfer device is spaced from the electrode to form a gap. The first voltage source is configured to generate an alternating current (AC) electrostatic field in the gap with the electrode to indirectly remove the powder particles from the outer surface of the powder transfer device.

The utility model relates to an electrostatic sprayer which comprises a gun body, the gun body comprises a gun barrel and a grab handle, a high-pressure module, an air duct assembly and a fan are arranged in the gun barrel, the air duct assembly is located between the high-pressure module and the grab handle, and the fan is located in the air duct assembly. A storage cup is arranged below the gun barrel, detachably connected with the gun barrel and communicated with the air duct assembly. A diffusion module is arranged at a pipe opening of the gun pipe and extends outwards in the longitudinal direction of the gun pipe. A battery module is arranged below the grab handle and detachably connected with the grab handle. The electrostatic sprayer has the advantages that the storage cup is detachably connected with the gun barrel, powder filling is facilitated, the storage cup is located on the lower portion, the storage cup is convenient to install, and meanwhile the risk that the powder is poured out is avoided; the battery module is detachably connected with the grab handle, so that the battery can be replaced conveniently by disassembling and assembling the battery module, the service time is prolonged, and the working efficiency is improved; the whole device does not need an external power supply and external powder supply and is convenient to carry.