116 results about "Electrostatic generator" patented technology

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 system and method of software control and autonomy of a disinfection module for an autonomous or semi-autonomous cleaning device. The disinfection module control software resides on a computer with processor and memory. The disinfection module is connected to peripherals for sensing and localizing in the environment and controlling the actuators for the motion of the cleaning device. The disinfection module control software processes the sprayer's status, follows and plans paths to move the cleaning device to the spray targets, generates appropriate motion commands, and controls the disinfection module's pump, fan, LED, and electrostatic generator states.

The invention provides an infrared temperature control electrostatic spraying system and method. The system comprises a mechanical execution module, an infrared temperature control module, an electrostatic spraying module, a feeding module and a control module. The electrostatic spraying module comprises a high-voltage electrostatic generator, an electrostatic spray gun and an atomization adjusting unit; the infrared temperature control module comprises an infrared temperature measurement sensor and a temperature data processing unit. The infrared temperature measuring sensor and the electrostatic spray gun move synchronously, the surface temperature of a workpiece is collected in real time, and the control module dynamically adjusts the output voltage of the high-voltage electrostatic generator, parameters of the atomization adjusting unit and the moving speed of the mechanical arm after receiving temperature data. According to the scheme, the problem of parameter adaptation imbalance caused by temperature difference in traditional spraying is effectively solved, the coating uniformity is greatly improved, stable spraying quality is guaranteed, and the production qualification rate is increased.

The train type dust falling device comprises a front section train and a rear section train which are arranged on a track of a return airway and connected in series, a horizontal cyclone water film dust remover and an electrostatic dust remover are sequentially arranged on the front section train from front to back, and an air inlet in the front end of the horizontal cyclone water film dust remover is connected with a dust collection pipeline system. A floating dust suction hood, a transfer point dust suction hood and a plurality of working face dust suction hoods are arranged on the dust suction pipeline system, and an electrostatic generator and a counter-rotating axial flow fan are arranged on the rear section of train side by side in the left-right direction. The device can move along with the movement of the coal face, keeps a good dust collection state, and greatly improves the dust collection effect and greatly improves the air environment of the coal face of an underground coal mine in a wet dust collection and electrostatic dust collection combined mode on the premise of ensuring gas safety.

The invention relates to the technical field of agricultural instruments, and discloses a pull-type straw high-density bundling machine which comprises a first rack, a second rack, a picking mechanism and a bundling mechanism, the picking mechanism and the bundling mechanism are arranged on the inner side of the first rack, the second rack is rotationally connected with the first rack, and a first air cylinder used for driving the second rack to rotate is installed on the first rack; lifting plates are arranged on the two sides of the first rack in a sliding mode. Through the arrangement of the first partition plate, the second partition plate, the first elastic sealing strip and the second elastic sealing strip, a semi-closed operation space is constructed, and smashed grass and tree chippings, dust and other impurities raised in the straw picking and compressing stage are effectively prevented from dispersing to the outside; meanwhile, by combining the matched design of the electrostatic generator and the electrostatic plate, stable electrostatic adsorption force is generated on the surface of the electrostatic plate, suspended impurities dispersed in the operation space are rapidly captured, flying dust diffusion is restrained from the source, and the technical problem that the flying dust pollutes the operation environment in the operation process of the pull-type straw bundling machine is successfully solved.

The application relates to a water-based fluorocarbon color paste electrostatic spraying system and relates to the technical field of paint spraying equipment, which comprises a machine body, a spray gun for spraying workpieces is arranged on the machine body, a feed loop for conveying color paste to the spray gun is arranged on the machine body, an electrostatic generator is connected to the feed loop, and an adjusting mechanism for adjusting the opening and closing of the spray gun is arranged on the machine body. The electrostatic generator supplies power to the feed loop, and electrostatics are mixed into the color paste, so that the color paste is negatively charged; the adjusting mechanism opens the spray gun, and then the color paste mixed with the negative charge is sprayed on the workpiece with positive charge, and a uniform coating is deposited, so that the operation is convenient, and the possibility that the color paste is difficult to be adsorbed on the workpiece and causes uneven distribution of the color paste on the surface of the workpiece is reduced.

The utility model discloses a sheet conveying device for blister packaging production. The sheet conveying device comprises a processing box, a winding rod, a sheet roll, a guide roller and a cleaning mechanism. A connecting plate is fixedly arranged on the outer wall of one side of the treatment box, after the winding rod is rotationally arranged on the connecting plate, the sheet roll is fixedly arranged on the winding rod in a sleeving mode, the end of the sheet roll penetrates through a preset feeding opening in the treatment box and then is taken out for use through a discharging opening in the other side of the treatment box, and a plurality of guide rollers for guiding sheets are rotationally arranged in the treatment box; the cleaning mechanism comprises a pair of electrostatic generators and dust collection plates, the electrostatic generators are detachably installed in the treatment box and located on the two sides of the sheet, and the sheet penetrates through the two electrostatic generators and then extends to the position between the two dust collection plates in the treatment box. Compared with the prior art, the sheet cleaning device has the advantages that dust on the surface of a sheet is adsorbed by a high-voltage electrostatic field generated by the electrostatic generator and is collected by the dust collecting plate, so that the cleanness of the sheet is ensured; and the electrostatic generator is detachable and convenient to maintain.

The invention discloses a shield tunneling machine working face cyclone water film dust removal and electrostatic dust removal rear matching train device which comprises a cyclone water film dust remover and an electrostatic dust remover which are arranged on a front dust removal train section, and an electrostatic generator and a counter-rotating axial flow fan which are arranged on a rear dust removal train section. The front end of the electrostatic generator is connected with the electrostatic dust collector through a cable bridge, and an air outlet in the rear end of the electrostatic dust collector is connected with an air inlet in the front end of the counter-rotating axial flow fan through an air duct bridge; an air inlet at the front end of the cyclone water film dust remover is connected with a dust collection pipeline system; the dust collection pipeline system is provided with a floating dust space dust collection cover, a transfer point dust collection cover and a plurality of cutter head dust collection short pipes. The dust collection device can move along with movement of the shield working face, a good dust collection state is kept all the time, the dust collection effect is greatly improved in a wet dust collection and electrostatic dust collection combined mode, the air environment of the shield working face is fully improved, and meanwhile dust-containing air is prevented from being exhausted into the atmosphere to pollute the atmospheric environment.

The application provides a kind of electrostatic adsorption copying paper processing equipment and winding method, including setting in the unwinding device of machine head and setting in the winding device of tail, a plurality of conveying rollers are arranged between the unwinding device and the winding device, one of the conveying rollers near the winding device through which the carbon tape is arranged to set up electrostatic generator, the winding device and the winding roller are arranged between the slitting device, the winding device includes winding drum support, the winding drum support is connected winding drum, the heat sealing assembly is arranged above the winding roller, the blowing device is arranged at the end of the winding drum support away from the winding roller, the press roller assembly is arranged above the winding drum support, the winding copying paper is moved to the winding drum through winding roller and opens blowing device to blow, so that the winding copying paper moves to heat sealing assembly to seal under the action of wind force around the winding drum; press roller moves downward and is pasted to winding drum to carry out winding, effectively improve winding efficiency, improve capacity.

The utility model discloses a filling machine with a bag opening cleaning structure, which comprises a mounting seat, the bottom end of the mounting seat is fixedly connected with a support frame, the top of the rear end of the mounting seat is fixedly connected with a fixing frame, and the top end in the fixing frame is fixedly connected with a discharge valve. According to the filling machine with the bag opening cleaning structure, the supporting barrel is arranged, the supporting barrel is sleeved with a packaging bag during filling, an electrostatic generator at the bottom of a rotary disc is started to drive an electrostatic adsorption ring to operate through a connecting line, and the electrostatic adsorption ring can automatically adsorb dust at the bag opening and in the packaging bag; after the filled packaging bag is moved to the front end in the mounting base, the packaging bag is taken down through the interior of the operation frame, then the electric cylinder automatically starts and presses the trigger type key to close the electrostatic generator, and after the electrostatic generator is closed, the electrostatic adsorption ring loses adsorption force, dust can automatically fall down, so that the next group of packaging bags can be sleeved conveniently. The problem that a packaging bag cannot be cleaned is solved.

The utility model discloses an online length measuring device in cable production process relates to cable production detection equipment technical field, including mounting bracket, compression wheel, guide wheel, measuring wheel and detection device, the compression wheel horizontal interval rotation is installed on the mounting bracket, and the guide wheel and measuring wheel rotation are installed on the mounting bracket, and the compression wheel is formed with the guide wheel, measuring wheel between the clamping gap for the cable of passing through to be measured, and the gap is less than the cable diameter to be measured, measuring wheel is fixedly connected with the pivot of detection device, and the cable to be measured moves through friction force and drives the rotation of measuring wheel, and detection device converts the rotation of measuring wheel into length data, the mounting bracket still is equipped with the calibration device including static generator, fiber sensor no.

This utility model discloses an agricultural precision spraying device, including a robot body. A camera is fixedly connected to one side of the upper surface of the robot body, and a bracket is fixedly connected to the top of the inner side of the robot body. A controller is fixedly connected to one side of the inner bottom wall of the bracket. This agricultural precision spraying device, through the arrangement of an electrostatic generator, a high-pressure water pump, an atomizing nozzle, and a solenoid valve, uses a static generator to charge the pesticide solution inside the storage cylinder via wires and an electrostatic emission rod. The high-pressure water pump atomizes and sprays the pesticide solution through a delivery pipe and an atomizing nozzle, preventing pests from damaging crops. The pesticide solution is actively adsorbed onto the surface of the crops under the influence of the electrostatic field, reducing pesticide drift in the air and thus improving the effective utilization rate of pesticides. The solenoid valve controls the amount of pesticide solution delivered according to the growth status of the crops, increasing the practicality of the device.

The utility model provides a solid electrolyte coating system based on pressure-sensitive adhesive bonding. The solid electrolyte coating system comprises a base material roll, a pressure-sensitive adhesive photogravure press, a non-woven fabric roll, an electrostatic generator, a compression roller, an electrolyte coating machine and a winding device, a pressure-sensitive adhesive is coated on a base material output by a base material roll through a pressure-sensitive adhesive photogravure press to form a base material with the pressure-sensitive adhesive, non-woven fabric output by a non-woven fabric roll is electrostatically adsorbed on the base material with the pressure-sensitive adhesive through an electrostatic generator to form a to-be-bonded piece, and the to-be-bonded piece is pressurized through a compression roller to form a bonded piece. The output end of the pressing roller is connected with the input end of the electrolyte coating machine, and the output end of the electrolyte coating machine is connected with the input end of the winding device. The non-woven fabric and the base material are bonded through the pressure-sensitive adhesive, it can be guaranteed that the non-woven fabric can be completely attached to the base material in the conveying process, the problems of wrinkling and the like caused by tightening are avoided, and therefore it is guaranteed that the non-woven fabric can be evenly coated with solid electrolyte slurry.

This utility model provides a multi-scenario detection device for terminal network access, including a main body, an interactive screen, a disturbance application mechanism, a sensor group, a main control unit, and a controllable power supply module. The disturbance application mechanism includes an electric slide, a rotary motor, a rotating rod, an radio frequency signal source, an electrostatic generator, a transmitting antenna, and ball electrodes. The terminal can be connected to the main body of the device, and the controllable power supply module can provide a variety of different detection scenarios. During the detection process, the electric slide can drive the rotary motor and the rotating rod to move, so that the rotating rod moves above the terminal. The electrostatic generator can generate static electricity and release it above the terminal through the ball electrodes to simulate electrostatic interference. When the rotating rod rotates, the transmitting antenna can point downwards, and the radio frequency electromagnetic field generated by the radio frequency signal source can be emitted through the transmitting antenna to simulate radio frequency electromagnetic interference, providing a simulated real environment for terminal detection and achieving high accuracy of terminal network access detection results.

The utility model discloses brake knuckle spraying equipment, and relates to the technical field of machining. The electrostatic spraying device comprises an operation table, a spraying pool, rotating rods, an electrostatic generator, slopes and a notch, one side of the operation table is fixedly connected with the spraying pool, the four slopes distributed in an annular array mode are arranged at the bottom of the spraying pool, the notch is formed in the center of the bottom end of the spraying pool in a penetrating mode, and the four rotating rods distributed at equal intervals are rotationally connected to one side of the spraying pool in a penetrating mode; the power connection end of the electrostatic generator is connected with an electric wire, and the end, away from the electrostatic generator, of the electric wire is fixedly connected with an electrostatic emission clamp which is clamped on the circumferential side face, extending out of the spraying pool, of the rotating rod. According to the spraying device, the electrostatic generator, the slope and the notch are arranged, so that the problem that the binding force between paint and a steering knuckle is low in the spraying process of existing spraying equipment for the steering knuckle of the brake is solved, and the problem that the dripping paint cannot be treated in time in the re-spraying process is solved.

The invention provides an LED display screen electrostatic elution dust removal device and method, and belongs to the field of LED display screen dust removal. The device comprises an electrostatic generator, an electrostatic dust collection rod integrating a blowing and sucking module and a washing and mopping module, a dust collection bin and an anti-static cleaning liquid supply module. The core is that efficient dust removal and self-cleaning are achieved through a precise and controllable static positive and negative switching mechanism in cooperation with blowing and suction cooperation, roller washing and mopping and anti-static cleaning liquid supply functions, a conductive dust removal head generates static electricity to adsorb dust on the surface of a screen body through positive voltage, the blowing function assists in breaking stubborn dust viscosity, roller washing and mopping strengthens physical stripping, and the dust removal effect is good. The dust collection function captures fine dust; the reverse voltage generates a reverse electric field to separate the dust removal head from dust on the surface of the roller, and centralized collection of dust is accelerated by cooperating with a blowing and sucking function; the problems that an existing dust removal mode is poor in fine / stubborn dust removal effect and prone to secondary pollution, and the self-cleaning capacity of tools is insufficient are solved, and the LED display screen dust removal device is suitable for daily cleaning and maintenance of various LED display screens.

This utility model relates to the technical field of release film slitting machines, and discloses a release film slitting machine with dust removal function. It includes a machine body, with an island platform fixedly connected to the side wall of the machine body. The island platform is equipped with a dust removal mechanism and a cleaning mechanism. The dust removal mechanism includes a positioning rod fixedly connected to the inner wall of the machine body, and a roller rotatably connected to the outer wall of the positioning rod. A high-voltage electrostatic generator is fixedly connected to the inner wall of the island platform, and a wire is fixedly connected to the output end of the high-voltage electrostatic generator. A vacuum cleaner is fixedly connected to the outer wall of the island platform, and a horizontal pipe is fixedly connected to the input end of the vacuum cleaner. In this utility model, through the design of the dust removal mechanism, dust on the film surface can be accurately adsorbed and efficiently collected in real time during the release film slitting process, blocking the contamination path of dust and impurities to the release film from the source, ensuring the cleanliness of the release film after winding, and laying a reliable quality foundation for subsequent processing stages.

The utility model provides a flocking static electricity generating device with a constant pressure system, which relates to the technical field of flocking devices, and comprises a bottom plate, a support frame is fixed on the upper surface of the bottom plate, a lifting frame is arranged in the support frame, and a lifting assembly for driving the lifting frame to move up and down is arranged in the support frame. According to the flocking electrostatic generation device with the constant-voltage system, an electrostatic generator is placed in a storage shell and pressed, an induction plate is triggered by the electrostatic generator to drive a connecting plate to move, a transmission plate is driven to move, a positioning frame can be driven to rotate through cooperation between an inclined sliding groove and a transmission shaft, and the positioning frame is clamped in a limiting block; the electrostatic generator is installed in the storage shell, the electrostatic generator can be rapidly disassembled and assembled according to the maintenance requirement of the electrostatic generator, and the distance between the electrostatic generator and an object can be adjusted according to the use requirement of the electrostatic generator.

The application discloses a dust removal device and method for a spraying production line, and belongs to the technical field of product dust removal. The dust removal device comprises a conveying mechanism, and upper and lower feeding areas are arranged at two ends of the conveying mechanism. A manual dust removal area, a brush dust removal mechanism, a single-workpiece electrostatic dust removal mechanism and a flame dust removal mechanism are sequentially arranged along the conveying direction between the upper and lower feeding areas, and manual wiping, brush sweeping, ionized high-pressure airflow blowing and flame burning are sequentially performed on the workpiece. A multi-workpiece dust removal mechanism is arranged on one side of the lower feeding area, and the multi-workpiece dust removal mechanism comprises an air shower room, an electrostatic generator and a conveying chain. After the workpiece is discharged, the workpiece is fixed on a hanging bracket and is sent to the air shower room through the conveying chain, ionized air is blown to the workpiece through the electrostatic generator, and electrostatic dust removal is realized. The device combines multiple dust removal modes, can effectively remove various pollutants on the surface of the workpiece, improves dust removal efficiency, is suitable for different workpieces and improves spraying quality.

The application relates to the field of spraying technology, in particular to a high-pressure spraying device and method for iron art guardrail spraying processing, which comprises a suspension frame and a plurality of hooks arranged in the suspension frame and used for conveying the iron art guardrail, further comprises a paint spraying box used for the iron art guardrail to pass through, and a paint spraying gun arranged in the paint spraying box and used for spraying paint on the iron art guardrail; an air exhaust shell is arranged on one side of the paint spraying box; an electrostatic adsorption assembly is arranged in the paint spraying box and used for controlling paint mist oversprayed by the paint spraying gun; a plurality of side pipes are arranged in the paint spraying box; a negative pressure assembly is arranged on one side of the side pipes and used for recycling the paint mist adsorbed by the electrostatic adsorption assembly; a sleeve shell is arranged on the outer surface of the side pipes and is internally connected with a plurality of jacks extending into the side pipes; and a gradually-narrowing narrowing groove is arranged in the jacks. The pulse electrostatic generator adopts an intermittent power supply mode, realizes an 'adsorption-release' cycle and efficiently captures the paint mist during adsorption.

The utility model relates to the technical field of coating machines, and discloses an electrostatic coating machine which comprises an equipment frame, a spraying box is arranged at the top of one side of the equipment frame, and an equipment motor, an equipment lead screw, a movable plate, a hydraulic rod and a movable hydraulic machine are connected to one side of the equipment frame in an inserted mode. The spraying device is reasonable in structure, the movable plate drives the spraying plate to slide on the equipment frame, the spraying plate stretches out and draws back on the movable plate, the spraying plate quickly moves on the equipment frame to adjust the position and the height, subsequent fixing of workpieces is facilitated, the hydraulic rod is used for supporting, shaking is avoided when the position and the height of the spraying plate are adjusted, and the spraying device is convenient to use. The spraying base moves in the spraying cover at a constant speed, the electrostatic generator enables generated high voltage and corona to discharge, then charges are generated near the spraying gun for spraying, paint is sucked to a workpiece, the uniformity and quality of a sprayed coating are guaranteed, the top heating plate and the curing heating plate heat the interior of the curing box, and the spraying effect is improved. And the molten powder is tightly attached to the surface of the sprayed workpiece.

The invention discloses an energy-saving axial flow fan and a control method thereof.The energy-saving axial flow fan comprises a dust falling shell, symmetrically-distributed clamping grooves are formed in the outer wall of one end of the dust falling shell, first filter screen plates of clamping blocks are connected to the inner walls of the clamping grooves in a clamped mode, and triangular check blocks are welded to the four corners of the inner wall of the middle of the dust falling shell; and a first ceramic insulating seat is arranged on one side of the triangular baffle block. Air is preliminarily filtered through the first filter screen plate, large-particle dust and impurities are intercepted, follow-up core components are prevented from being blocked, then the high-voltage electrostatic generator is used for driving the cathode tungsten wire electrode to generate high-voltage static electricity, electrons are attached to the penetrating dust particles, and the dust particles are prevented from entering the air purifier. Then, dust particles with negative electricity are efficiently adsorbed by the anode grid under the action of an electric field, the anode grounding end guarantees safety and stability of the electrostatic dust collection process, finally, secondary filtration is conducted through the second filter screen plate, the mesh diameter of the second filter screen plate is smaller than that of the first filter screen plate, fine dust is further intercepted, and the air cleanliness is greatly improved through a triple filter structure.

The condensing boiler with the tail gas treatment structure comprises a shell, a water inlet is fixedly installed at the side end of the shell, a water outlet is fixedly installed at the end, away from the water inlet, of the shell, a water inlet tank is fixedly installed on the inner wall of the shell, and a heating tank is fixedly installed at the end, close to the water outlet, of the water inlet tank. A first heat exchanger is fixedly installed on the inner wall of the water inlet tank, a second heat exchanger is fixedly installed on the inner wall of the heating tank and fixedly connected to the first heat exchanger, and a heater is fixedly installed at the end, close to the second heat exchanger, of the heating tank. Smoke in the connecting pipe is pumped out through the sucking pump and discharged into the smoke exhaust pipe, the electrostatic generator can generate static electricity and output the static electricity into the smoke exhaust pipe, fine particles in the smoke are attached with the static electricity, then the smoke is discharged into the smoke exhaust box, the particles attached with the static electricity can be adsorbed on the metal net, and unified treatment is facilitated.

The invention relates to the technical field of flaw detection, in particular to a carpet surface flaw detection device and method. According to the technical scheme, a power applying mechanism and a coloring mechanism are arranged between an unwinding roller and a winding roller, the power applying mechanism comprises a shell and a detection shell, an electric roller is rotationally installed in the shell, a high-voltage electrostatic generator is arranged on the side of the shell, and a plurality of first needle-shaped electrodes are distributed on the electric roller at equal intervals; the coloring mechanism comprises a plurality of operation shells which are located above the moving chamber and fixedly installed in the coloring shell. According to the invention, through the power applying mechanism and the coloring mechanism, the power applying mechanism applies static electricity to the carpet during operation, so that a thread residue, needing to be detected, of the carpet is upright, and the upright thread residue is colored in a space in cooperation with an atomized mixed solution with static electricity generated by the coloring mechanism, so that the thread residue can be quickly positioned; and the subsequent repairing efficiency is improved.

A spatial atomic layer deposition (SALD) system includes a coating head with an arrangement of channels including a precursor gas channel, a reactant gas channel, and inert gas and exhaust channels to assist in purging a target substrate of unwanted material, such as powder, contaminates, or dust, at or near the location of deposition. The coating head may also include a surface 2024 / 075062 treatment apparatus, a particulate monitoring device, an ultrasonic vibrator, a heater, a dehumidifier, or a static charge generator to assist with purging the substrate. Various channels and auxiliary devices may be provided as modules. Surface treatment may be provided to the body of the coating head adjacent the substrate. Exhaust flow paths outside the coating head, an environmental control chamber for the coating head, and output slit offsets may also be provided.

The invention relates to the technical field of laser additive materials, and discloses a powder feeding device and method for laser additive materials, the powder feeding device comprises a shell, the upper side of the shell is fixedly connected with a feeding port, the side wall of the shell is fixedly connected with a first driving motor, and the output end of the first driving motor is connected with a rotating column; a stirring rod is fixedly connected to the exterior of the rotating column, an electrostatic generator is fixedly connected to the side wall of the shell, a first wire is electrically connected to the exterior of the electrostatic generator, a second wire is electrically connected to the exterior of the electrostatic generator, and a magnetic coil is electrically connected to one end of the second wire. The first driving motor is started to drive the rotating column to rotate in the shell, then the stirring rod is driven by the rotating column to rotate synchronously, and then the stirring rod conducts primary smashing and friction on powder stored in the shell, so that the purposes of refining the powder, improving the dispersion uniformity and improving the dispersion efficiency can be achieved. And the efficient and continuous powder conveying effect is achieved through the electrostatic adsorption and magnetic field diversion effect.

This invention discloses a high-efficiency deep dewatering device based on the characteristics of algal sludge, relating to the field of solid waste pollution treatment technology. It includes a support frame with two sets of guide rollers distributed vertically. Two extrusion rollers are rotatably connected to the support frame. A first extrusion belt is wound around the upper set of guide rollers and adjacent extrusion rollers, while a second extrusion belt is wound around the lower set of guide rollers and adjacent extrusion rollers. A rotating roller is rotatably connected to the side of the support frame near the extrusion rollers. An electrostatic generator connected to the rotating roller is mounted on the support frame. A limiting frame is fixed to the support frame, and a drying device is mounted on the limiting frame. This invention uses electrostatic adsorption combined with drying to continuously adsorb and remove residual algal sludge from the first extrusion belt without abrading the filter belt, thereby ensuring the permeability of the filter belt in real time and maintaining stable dewatering efficiency.

The application provides a hot airflow assisted slit bubble electrostatic spinning device. The slit bubble electrostatic spinning device comprises a hot airflow channel, a slit metal solution channel, a bubble tube and an electrostatic generator; the hot airflow channel and the slit metal solution channel are both circular truncated cone pipelines formed by gradually narrowing inner and outer tubes; the inner tube diameter of the hot airflow channel is the same as the outer tube diameter of the slit metal solution channel; the slit metal solution channel penetrates through and is fixedly attached to the inner tube of the hot airflow channel, the bubble tube extends and is fixed at the inner tube of the slit metal solution channel, and the electrostatic generator is connected to the slit metal solution conduit through a wire. The application improves the arrangement of polymer molecular chains in the solution through the slit metal solution channel, and provides high-speed hot airflow around the bubble through the circular truncated cone hot airflow channel to lift the bubble upward and help the polymer molecular chains to be uniformly distributed parallel to the bubble surface, thereby improving the internal structure of the nanofiber and preparing reinforced nanofiber.

This utility model relates to the field of pulverized coal transportation technology, specifically a pulverized coal flow rate regulating device for a coal mill. It includes a housing, inside which a conveying assembly is installed. The conveying assembly includes a base plate, an insulating cylinder, a metal cylinder, and an electrostatic generator. The insulating cylinder and the metal cylinder are fixedly connected to the housing, with the insulating cylinder located outside the metal cylinder. The electrostatic generator is fixedly connected to the insulating cylinder, and its output end is connected to the metal cylinder. In this utility model, pulverized coal enters the housing through a pipe and then evenly disperses into the metal cylinder through a through-hole at the bottom of the housing. The electrostatic generator is activated, applying static electricity to the metal cylinder. Therefore, when the pulverized coal falls into the metal cylinder through the through-hole, the dispersed pulverized coal is adsorbed by the cylinder wall. When a large amount of adsorbed dust accumulates, it falls directly onto the base plate at the bottom. Ultimately, all the pulverized coal accumulates on the base plate, and the amount of pulverized coal dispersed within the entire metal cylinder is minimal, significantly reducing the risk of dust explosion.

The utility model discloses a raw material conveying device for cement production, and belongs to the technical field of cement production. The dust-proof device comprises supporting legs, a mounting base, a driving assembly, a conveying groove, a dust-proof assembly and a mounting guide rail, the top ends of the supporting legs are fixedly connected with a mounting plate, the mounting plate is rotationally connected to a connecting rod through the mounting base, and one end of the connecting rod is rotationally connected with a movable rod; the dustproof assembly comprises an organ cover, a sliding block is arranged at the bottom end of the organ cover, the organ cover is slidably matched in the installation guide rail through the sliding block, conductive fibers are arranged on the inner wall of the organ cover, and an electrostatic generator is installed at one end of the conductive fibers. Through cooperation of the dustproof assembly and the installation guide rail, the material scattering risk is reduced, production continuity is guaranteed, electrostatic adsorption is combined with the organ cover capable of being flexibly adjusted, the shielding range can be rapidly changed according to the actual working condition, cement dust can be efficiently adsorbed, the dust concentration of a workshop is greatly reduced, and workers are protected against dust damage.