1749results about How to "Improve dust removal effect" patented technology

The invention relates to the technical field of dust removal equipment, in particular to efficient, energy-saving and environment-friendly dust removal equipment which comprises a moving assembly installed on the indoor top. The air exhaust end of the air exhaust equipment is connected to the filtering assembly, the filtering assembly comprises an outer cylinder, the ends of the branch pipes are each provided with a sealing assembly, the telescopic cylinders are connected with the high-pressure air storage tank, air blown into the sealing assemblies by the telescopic cylinders can enter the filtering cylinders, and when the filtering cylinders below one sealing assembly are cleaned, the sealing assemblies are arranged on the outer cylinder, and the sealing assemblies are arranged on the sealing assemblies. The other sealing assemblies and the filter cartridge are still in a working state, air blown out from the port of the air pipe can drive surrounding air to flow towards the port of the air inlet pipe, the port of the air inlet pipe is matched for air exhaust, the blown air is sucked into the outer barrel, and the dust removal effect and the dust removal range are further improved in cooperation with operation of the moving assembly; the self-cleaning function of the filter screen of the dust removal equipment is achieved through cooperation, the situation that the normal production and processing operation is affected by shutdown when the filter cylinder is cleaned is effectively avoided, and the dust removal range and the dust removal effect are effectively improved.

The invention discloses a fire-proof gas concentration detection device for a coal mine goaf, and relates to the technical field of environment detection, the fire-proof gas concentration detection device comprises a cylinder, the side wall of which is provided with an air inlet for introducing to-be-detected air; the air outlet cylinder is connected to the upper end of the cylinder body, fan blades are rotationally arranged in the air outlet cylinder, and rotation of the fan blades drives air to enter from the air inlet and flow through the whole device; the funnel-shaped dust collection cylinder is connected to the lower end of the cylinder body, and a plurality of separation blades are distributed on the inner circumference of the funnel-shaped dust collection cylinder and used for preliminarily filtering and blocking dust impurities in the air, so that the purified air enters the cylinder body to be detected; the dust collection box is connected to the bottom of the dust collection barrel; the plurality of sensor cylinders are uniformly distributed on the inner circumference of the cylinder body, a connecting seat is arranged in each sensor cylinder, and a gas semiconductor sensor is mounted on each connecting seat; the device can improve the precision of gas concentration detection, flexibly adapt to different working conditions and realize intelligent cleaning and maintenance.

The invention relates to the technical field of expansion joints, in particular to an expansion joint dust removal device and a dust removal method thereof. According to the technical scheme, the dust removal device comprises a folding part, the folding part comprises a stretching-in plate, a butt joint rod, first folding plates, a clamping assembly, a folding frame and a dust removal assembly, the inner wall of the stretching-in plate is connected with the butt joint rod in an up-down sliding mode, and the bottom of the butt joint rod is rotationally connected with the two symmetrically-arranged first folding plates. According to the device, the stretching-in plate and the butt-joint rod automatically descend due to gravity to adapt to the depth of the expansion joint, the first folding plate at the bottom of the butt-joint rod is unfolded under the downward pressing effect of the gravity of the butt-joint rod, when a brush at the bottom of the first folding plate moves to the limiting position, the first folding plate cannot be unfolded, and the stretching-in plate and the butt-joint rod move relatively; the clamping assembly clamps the folding frame, the guide plate and the second folding plate move, the second folding plate is matched with the distance of the expansion joints, and the expansion joints are completely cleaned.

The invention relates to the technical field of coal mine dust removal facilities, in particular to an underground roadway full-section spraying dust removal device which is characterized in that a spraying pipe fitting comprises an outer sleeve, an inner sleeve, a spraying head mounted at the bottom of the outer sleeve and a pipe joint arranged on the rear wall of the outer end of the inner sleeve; the water supply connecting piece comprises a connecting shell, pipe sleeves arranged at the two ends of the front wall of the connecting shell and rotationally connected with the pipe joints in a sleeving mode, and a fixing frame connected with the top face of the shell. A plurality of first combination holes are formed in the inner side wall of the telescopic side frame in the vertical direction, and a first rotating shaft is arranged on the lower side of the middle of the front wall of the telescopic side frame. The outer end of a swing box of a telescopic groove structure is hinged to the bottom of the inner side wall of the telescopic side frame, the outer end of the front wall of the swing box is provided with a drain pipe head and a second rotating shaft, and the bottom face of an inner cavity of the swing box is provided with a second combination hole and a third combination hole. Two ends of the swinging cylinder are rotationally connected to the rotating shafts I and II respectively; the full-section spray dust removal of the underground coal mine roadway can be realized, the dust removal effect is improved, and spray water is collected so as to prevent a bottom plate of the roadway from being wet and slippery.

The invention relates to the technical field of plastic recycling, and discloses a fragment screening mechanism for plastic particle production, the fragment screening mechanism for plastic particle production comprises a rack and a screening hopper, a coarse screening plate is fixedly installed on the inner wall of the screening hopper, and according to the fragment screening mechanism for plastic particle production, a motor is started to drive a rotating shaft to rotate; meanwhile, plastic particles in the screening hopper can be scattered through cooperation of a wheel disc, a cam groove, a ball head rod, a push plate, a sliding rod, a spiral groove and a stirring shaft, meanwhile, the plastic particles in the hopper can be turned up and down in a reciprocating mode through cooperation of a connecting rod, a sliding table and the stirring shaft, the scattering effect on the plastic particles is further improved, and adhesion of the plastic particles is avoided; accordingly, the plastic particles can be prevented from blocking the coarse screening plate, the screening effect and efficiency of the plastic particles are improved, meanwhile, the discharging pipe can be dredged through the push rod, the inclined groove, the sliding plate and the ejector rod, the plastic particles are prevented from being blocked in the discharging pipe, and the discharging efficiency of the plastic particles is improved.

The invention relates to the technical field of knitted fabric production, and discloses a computer jacquard for knitted fabric production. An exhaust fan works to suck air, negative pressure is generated in a dust collection box, a dust suction pipe, a dust suction cover and a telescopic hose, so that batting, dust and the like in air are sucked, meanwhile, the air is filtered through a filter screen plate, batting is left in the dust collection box, and the situation that dust and batting scatter to affect the body health of workers is avoided; a reciprocating lead screw rotates to drive a moving block to horizontally reciprocate under the limitation of a sliding groove, the moving block drives a dust collection pipe and a dust collection cover to horizontally reciprocate, and therefore the dust collection area is increased, an electric telescopic rod stretches out and draws back to drive a top plate to move, the top plate drives the dust collection cover located on the top plate to move, and therefore the height of the dust collection cover is adjusted. Therefore, the purpose of all-directional dust collection is achieved, and the dust removal effect is improved.

The utility model relates to a gauze type pulse filter cartridge dust remover, and aims to solve the problems that dust raising is generated when a filter element is cleaned through a cleaning mechanism at present, so that the time for cleaned dust to fall into a dust collecting hopper is long, the dust removing efficiency is low, the cleaned dust is collected in a dust removing box, and the dust removing efficiency is low. The dust removal device comprises a dust removal cylinder and is characterized in that one side of the dust removal cylinder is communicated with an air inlet pipe, an exhaust pipe penetrates through the top of the dust removal cylinder, a filter cylinder is installed on the exhaust pipe in the dust removal cylinder, and a dust removal mechanism is installed on the outer side of the filter cylinder; the bottom end of the dust removal cylinder is communicated with a dust storage box, the bottom of the dust storage box is open, a connecting shaft is rotationally connected between the two sides of an inner cavity of the dust storage box, the outer side of the connecting shaft is fixedly connected with a discharging roller, dust storage grooves are formed in the two sides of the discharging roller, and filter frames are installed in the two dust storage grooves. The dust removal efficiency is greatly improved.

The utility model discloses a bottle blank dust removal device, which comprises a turntable, a dust collection box and a dust removal component with an air blowing pipe, the dust removal component is mounted on the turntable, the dust collection box is positioned on one side of the turntable, a blank clamping ring is arranged on the turntable, a guide ring positioned above the blank clamping ring is further arranged on the turntable, and the air blowing pipe penetrates through the guide ring. The dust collection box is provided with a dust collection cavity with the constant height and a suction inlet communicated with the dust collection cavity, the height of the suction inlet is the same as that of the dust collection cavity, a guide face with the arc-shaped axial section is arranged at the bottom of the guide ring, and the area between the upper surface of the blank clamping ring and the guide face is directly communicated with the suction inlet. The height of the dust collection cavity is set to be constant and consistent with that of the suction inlet, so that when waste gas enters the dust collection cavity through the suction inlet and flows in the dust collection cavity, airflow is stable in the flowing process, turbulent flow cannot be generated in the flowing process, and then the turbulent flow is prevented from influencing smooth flowing of the waste gas in the dust collection cavity; the dust collection box can stably collect dust, and the dust collection effect is improved.

The invention provides an adjustable wet-type electric dust remover for a thermal power plant. The adjustable wet-type electric dust remover comprises a dust removal box and a water pump, a shell is mounted at the top of the dust removal box, and a water pipe is connected to the middle of the shell in a penetrating manner; the end, away from the water pump, of the water pipe is connected with a rotating movable joint, the bottom of the rotating movable joint is connected with a connecting pipe, an output shaft is installed at the bottom of the connecting pipe, the bottom of the output shaft is connected with a driving motor through a coupler, and rotating frames are installed on the periphery of the connecting pipe; the bottom of the rotating frame is connected with an atomizing nozzle through a rotating shaft, the end, away from the atomizing nozzle, of a connecting rod is connected with a movable disc through a rotating shaft, the top of the movable disc is connected with a guide rod penetrating through the rotating frame, the outer side of the guide rod is sleeved with a sleeve, and a sliding rod is connected between the sleeve and a sliding groove of the shell. And a roller is mounted at the top of the connecting ring. The dust removal device has the technical effect that sprayed water mist can be more uniformly mixed with flue gas, so that the dust removal effect is improved.

The utility model relates to the field of rice processing, and discloses a lifting device for rice processing, which comprises a base, the top of the base is fixedly connected with a lifting machine body for lifting rice, and the lifting machine body is provided with a bucket type lifting mechanism for lifting rice. A feeding hopper is fixedly connected to one side of the lifting machine body, a feeding port is formed in one side of the lifting machine body, and a driving groove is formed in the inner wall of the top of the feeding port. The rice lifting device has the following advantages and effects that the feeding speed can be regulated and controlled, the situation that normal operation of the lifting device is affected due to too fast and too much feeding is avoided, rice lifting smoothness is improved, rice can be stirred through the rotating stirring rod, the blocking situation is avoided, the use effect is improved, and the rice lifting device is suitable for popularization and application. And meanwhile, dust in the rice can be sucked out and cleaned, the rice dust removal effect is improved, and it is guaranteed that the rice is clean.

The utility model discloses a macromolecular dust remover applied in a dust removal tower, which comprises a vertically arranged water collecting tank, and a rotating shaft is arranged at the top of the water collecting tank in a penetrating manner; the upper part of the rotating shaft is connected with a power mechanism; mounting rods are arranged on the two sides of the centrifugal impeller, and flow guide accelerators coaxial with the water collecting tank are arranged in the middles of the mounting rods. An adjusting rod is mounted at the bottom end of the mounting rod, a load adjusting plate is arranged on the adjusting rod, and the load adjusting plate is connected with an online adjusting mechanism arranged outside the tower; the edge of the bottom of the water collecting tank communicates with a plurality of vertically-arranged flow guide pipes. The dust removal device has the advantages of simple structure, good dust removal effect and convenience in cleaning.

The utility model discloses an electronic product detection dusting machine capable of adjusting the position of a dust suction inlet, which relates to the technical field of dusting equipment and comprises a workbench and mounting frames, the mounting frames are symmetrically arranged at the top end of the workbench, and a dust collection box is arranged at the top end of each mounting frame. A dust suction mechanism is arranged at the position, located on one side of the dust collection box, of the top end of the mounting frame and comprises a dust suction machine body, dust suction pipes and a dust suction opening, the dust suction machine body is mounted at the top end of the mounting frame, the dust suction pipes are connected to the two sides of the dust suction machine body correspondingly, and one dust suction pipe is connected with the dust collection box; and one end of the other dust suction pipe is connected with a dust suction port. According to the dust remover, the displacement mechanism and the adjusting mechanism are arranged, so that the position and the angle of the dust collection opening of the dust remover can be adjusted according to needs, the dust remover can better adapt to electronic products of different shapes and sizes, meanwhile, a wider cleaning area can be covered, blind areas are reduced, and the dust removal effect on the electronic products is improved.

The utility model discloses a wet dust removal device for a steel slag production line, which comprises a dust remover body, a dust-containing air shell arranged at the top of one side of the dust remover body, a purified air discharge port arranged at the top of the other side of the dust remover body, a spraying chamber arranged inside the dust-containing air shell, and a plurality of atomizing nozzles arranged at the top of the inner wall of the spraying chamber, a water supply pipe is arranged at the top of the dust-containing air shell, a dust removal chamber is arranged on one side in the dust remover body, a dehydration chamber is arranged on the other side in the dust remover body, an S-shaped bend is arranged on one side of the inner wall of the dust removal chamber, and a rotating shaft is rotationally connected to the bottom of one side of the inner wall of the dust removal chamber; three layers of arc-shaped baffles are arranged on one side of the inner wall of the dewatering chamber, and a baffle plate is arranged on the upper portion, close to the three layers of arc-shaped baffles, of the inner wall of the dewatering chamber, According to the wet dust removal device for the steel slag production line, dust-containing gas is treated by the whole wet dust remover in multiple modes, dust removal is efficient, and the dust removal effect is good.

The invention relates to the technical field of power supply control, in particular to an intelligent control method and system for an ultrahigh-frequency power supply for electric precipitation based on data analysis, and the method comprises the steps: 1, collecting all monitoring data controlled by the ultrahigh-frequency power supply for electric precipitation, the method comprises the following steps: step 1, obtaining various parameters for analyzing ultrahigh frequency power supply control performance indexes, step 2, analyzing the various parameters in the step 1 to obtain various control indexes for ultrahigh frequency power supply intelligent control, and step 3, respectively comparing the various control indexes obtained in the step 2 with a threshold value, the method comprises the following steps: step 1, comparing the control indexes, and triggering an ultrahigh frequency power supply control mechanism according to a comparison result, step 4, based on the comparison result obtained in the step 3, carrying out comprehensive analysis on the regulation factors of the control indexes through a big data analysis technology, and step 5, carrying out man-machine interaction on a comprehensive analysis result obtained in the step 4. By collecting and analyzing operation data of the electric precipitator in real time, intelligent control over the ultrahigh-frequency power supply can be achieved, the electric precipitation efficiency is improved, and energy consumption is reduced.

The invention relates to the technical field of dust removal equipment, in particular to water curtain dust removal equipment which comprises a dust removal cylinder, a driving part is arranged at the top of the dust removal cylinder, a first transmission gear is arranged at the output end of the driving part, a first dust removal assembly is arranged on the dust removal cylinder, and a second dust removal assembly is arranged on the first dust removal assembly. The auxiliary net has the beneficial effects that in the process that dust-containing airflow penetrates through the water curtain or impacts the water curtain on the auxiliary net, when the dust-containing airflow is high in flow speed and impact force, the position, impacted by the dust-containing airflow, of the vertical water curtain on the auxiliary net changes ceaselessly, the integrity and uniformity of the position, impacted by the dust-containing airflow, of the water curtain are guaranteed, and the dust-containing airflow is prevented from entering the water curtain. And when the flow speed of the dust-containing airflow is low and the impact force is weak, dust removal is sequentially carried out on the dust-containing airflow through a vertical water curtain on the auxiliary net, water mist sprayed out of the spray head and a conical spiral water curtain formed at the spiral plate, and the dust removal effect on the dust-containing airflow is further improved.

The invention discloses an efficient photovoltaic cell panel intelligent cleaning and dust removing device which comprises a mounting frame, a sweeping mechanism, a first driving mechanism and a second driving mechanism. The photovoltaic cell panel is mounted on the mounting frame, and the sweeping mechanism is used for conducting dust removing operation on the surface of the photovoltaic cell panel; the first driving mechanism is used for driving the sweeping mechanism to reciprocate in the length direction of the photovoltaic cell panel, the second driving mechanism is used for driving the sweeping mechanism to rotate, and through the arrangement of the first driving mechanism and the second driving mechanism, the function of longitudinal and transverse bidirectional sweeping of the sweeping mechanism on the surface of the photovoltaic cell panel is achieved; therefore, comprehensive and efficient cleaning of the surface of the photovoltaic cell panel is achieved, the problems that traditional dust removal equipment can only conduct cleaning in a single direction and is poor in cleaning effect are effectively solved, the photoelectric conversion rate of the photovoltaic cell panel is remarkably improved, the whole operation of the cleaning mechanism is driven by the same motor, and the cleaning efficiency is improved. And the dust removal energy consumption and the manufacturing cost are effectively reduced.

The invention discloses dust treatment equipment of a coal conveying system, and belongs to the technical field of dust treatment, the dust treatment equipment comprises a gas collection pipeline, and a water bath dust removal chamber, a sedimentation dust removal chamber, a sinter plate dust removal chamber and a gas purification chamber which are sequentially arranged from bottom to top, the outlet of the gas purification chamber is connected with the input end of a smoke exhaust pipeline, and an induced draft fan is arranged in the smoke exhaust pipeline; the output tail end of the gas collection pipeline is connected with a flow equalizing plate in the water bath dust removal chamber, a bottom turbulent flow layer, a streaming layer and a top turbulent flow layer are arranged in the sedimentation dust removal chamber, the streaming layer is formed by Y-shaped streaming elements in a matrix distribution mode, one end of a turbulent flow pipe is open, and the other end of the turbulent flow pipe is connected with an induced draft fan; the sinter plate dust removal chamber is used for further treating the gas treated by the water bath dust removal chamber and the sedimentation dust removal chamber; the flow layer enhances the agglomeration of coal dust gas and water turbulence and the phase change agglomeration of water vapor, and ensures that the airflow is uniformly distributed in the dust removal equipment, so that the dust filtering strength borne by each sinter plate is roughly the same, the dust removal efficiency of the sinter plate is improved, and the service life of the sinter plate is prolonged.

The invention provides intelligent dust removal fan equipment, and relates to the technical field of dust removal fans, the intelligent dust removal fan equipment comprises a machine body, the top and the side wall of the machine body are respectively provided with an exhaust fan and an air inlet fan, the top of the machine body is provided with a negative pressure pipeline and a positive pressure pipeline, the machine body is internally provided with a supporting plate, and the bottom of the machine body is provided with a fan; the filter cartridge is communicated with the negative pressure pipeline and an air suction port of the fan, the efficient filter assembly is communicated with an air outlet of the fan and the positive pressure pipeline, a back flushing assembly is arranged on the supporting plate below the filter cartridge and connected with the filter cartridge, and an ash hopper used for receiving ash is arranged on the side wall of the machine body below the filter cartridge. The efficient filtering assembly conducts secondary filtering, the back flushing assembly conducts back flushing on the filter cylinder, dust adhering to the filter cylinder is shaken off into the dust hopper under the filter cylinder, the dust hopper receives the dust, the dust hopper is replaced, dust transfer is facilitated, the air quality of a workshop is guaranteed, and it is also guaranteed that the temperature of the workshop cannot rise and be disordered.

The invention relates to the technical field of ventilator dust removal, and discloses a spray type water film guide plate multi-stage centrifugal dust removal device and method.The device comprises a dust removal box, a surge-free dust removal centrifugal fan, a spray unit and a water film guide plate set, and the spray unit is arranged at an air inlet of the dust removal box in a sleeving mode for spray treatment; dust particles impact into the grooves of the water film guide plate group along the airflow direction under the action of inertia force and are mixed and gathered with water, and dust-water mixed liquid accelerates to flow downwards in the grooves to a flow collecting groove at the bottom of the dust removal box and is discharged under the action of gravity and dust gas velocity and parallel component of the grooves, so that the purpose of primary dust removal is achieved; and then the gas enters the centrifugal ventilator and rotates in the volute at a high speed, residual dust particles in the liquid and the gas are thrown to the inner wall of the volute main body at a high speed along the tangential direction of the airflow under the action of centrifugal inertia force and are discharged from the drainage pipes on the two sides of the outlet along the inner wall, so that the purpose of secondary dust removal is achieved, and the dust removal effect is improved.

The invention belongs to the technical field of electrical performance testing devices, and particularly relates to a converter transformer loss measuring device and method. A converter transformer loss measuring device provided by the present invention comprises a measuring platform, the upper end of the measuring platform is fixedly connected with a measuring device body, the upper end of the measuring platform is provided with a converter transformer body, and an electrical terminal of the converter transformer body is connected with the measuring device body; and the anti-interference assembly is used for preventing dust from entering a measurement position while reducing external electromagnetic interference. By arranging the anti-interference assembly, during measurement, the multiple blocking copper rods are driven to rotate, due to the low magnetic conductivity of the blocking copper rods, the blocking copper rods can effectively isolate an external magnetic field, the influence of external electromagnetic interference on a measurement result is reduced, the rotating blocking copper rods form a relatively closed measurement environment, dust is prevented from entering a measurement position, and the measurement accuracy is improved. Poor electrical contact or short circuit of equipment is prevented, and the measurement precision is further improved.

The invention discloses a mining dust concentration monitoring and early warning method, and belongs to the technical field of coal mining, and the method comprises the following steps: data acquisition; a mine respirable dust concentration wireless sensor and a mine intrinsic safety type holder type infrared camera are used for collecting the dust concentration and the environment visibility in a mine respectively; processing and analyzing data; the mining intrinsic safety type wireless monitoring host processes the received data to obtain the dust concentration, and whether the dust falling device needs to be started or not is judged based on the dust concentration; if the dust concentration exceeds the preset range, the dust falling device is started until the obtained dust concentration is within the preset range; compared with the existing dust concentration monitoring means, the mine dust disaster monitoring system can realize dynamic perception, accurate early warning and intelligent management and control of mine dust disasters, introduces a real-time monitoring technology in order to timely discover and solve the problem that the dust concentration exceeds the standard by introducing intelligent and automatic technologies, and can also realize remote monitoring at the same time.

The invention discloses a double-adsorption type solid-liquid two-phase flow dust removal device, belongs to the technical field of wet spraying dust removal, and aims to solve the problems of high water consumption, low dust removal efficiency and poor dust removal effect of coal in the prior art. The device comprises a magnetite powder suspension atomization unit, a water spraying nozzle, a dust removal microporous membrane, an electromagnet pore plate and an axial flow fan which are sequentially arranged in the flowing direction of dust airflow. The water spraying direction of the water spraying nozzle faces the dust removal microporous membrane, and spraying water sprayed by the water spraying nozzle forms a water membrane on the dust removal microporous membrane; in the dust removal process, the electromagnet pore plate is electrified, so that magnetite powder is adsorbed on the surface, back to the electromagnet pore plate, of the dust removal microporous membrane; after dust removal is completed, the electromagnet pore plate is powered off, so that the magnetite powder is separated from the surface, back to the electromagnet pore plate, of the dust removal microporous membrane. The device can be used for coal dust removal.

The utility model provides a dedusting device for laser welding, which belongs to the technical field of dedusting for laser welding and comprises a dedusting cover and a dedusting mechanism arranged at the lower end of the dedusting cover, the dedusting mechanism comprises a fireproof corrugated pipe arranged on the lower end face of the dedusting cover, and a fixing ring is arranged at the lower end of the fireproof corrugated pipe. Fixing plates which are annularly and uniformly distributed are arranged on the outer cambered surface of the fixing ring, guide rods are arranged in the middles of the upper surfaces of the fixing plates, mounting plates which are annularly and uniformly distributed are arranged at the edge of the outer cambered surface of the dust removal cover, and sliding holes corresponding to the guide rods one to one are formed in the middles of the mounting plates. A welding place is completely covered through the dust removal mechanism, so that welding smoke dust is efficiently captured and guided out, meanwhile, fireproof safety and operation convenience are considered, welding sparks and high-temperature smoke dust can be effectively isolated, the following type dust collection can be achieved, and the following type dust collection efficiency is improved. And working scenes with different heights or shape changes can be conveniently coped with.

The invention discloses an air quality feedback dust falling device for building safety engineering, and relates to the technical field of dust falling devices. Comprising a shell, an air suction port and an air exhaust port are formed in the two sides of the shell, a driving motor is arranged at the bottom of the shell, the output end of the driving motor is connected with a transmission shaft, a lifting plate is installed on the transmission shaft, a filter screen is installed on one side of the lifting plate, a driving plate is installed below the lifting plate, two sets of partition plates are installed below the driving plate, and a fixing plate is installed between the two sets of partition plates. A vortex piece is arranged on the lower side of the fixed plate, a cleaning plate is slidably installed in the vortex piece, a pressurizing cover is installed below the cleaning plate, a rotating plate is installed in the pressurizing cover, the flowing direction of dust and air in the vortex piece changes continuously, the dust impacts the inner wall of the vortex piece and loses kinetic energy, the air continues to flow towards the air outlet, and the positive plate attracts the dust. And the dust removal effect of the dust is improved through the cooperation of the vortex sheet and the positive plate.

The utility model relates to the related technical field of building construction, in particular to a house building construction dust removal device which comprises a device body, and a dust collection mechanism is arranged on the surface of the device body. According to the dust collection device for house building construction, through the arrangement of the dust collection mechanism, when dust collection is conducted, the device is firstly conveyed to a designated position through rolling wheels, then a suction fan is started, the suction fan sucks and exhausts air in a cavity through a connecting hole, negative pressure is generated, then external air enters the cavity through a dust collection pipe and a connecting pipe, and dust collection is conducted. In the process, dust generated on the construction site is sucked into the cavity along with airflow and then collected by the collecting box, in order to enable the dust collection effect to be better, a motor is started, the motor drives a second gear to rotate, then the second gear and a first gear rotate in an engaged mode, then the first gear drives a dust collection pipe to rotate, and therefore the dust collection pipe rotates to collect dust; the dust collection range of the dust removal device is effectively expanded, and the dust removal effect is improved.

The invention discloses a hydraulic station with a dustproof structure, and relates to the technical field of hydraulic stations, the hydraulic station with the dustproof structure comprises a hydraulic station main body, and a control panel is fixedly mounted on the outer wall of the hydraulic station main body. Dust drifting away from the top of the hydraulic station body can be adsorbed through cooperation of a fan, a hose and a dust collecting cover, the dust is prevented from falling on the surface of the hydraulic station body to affect normal operation of the hydraulic station body, and then the dust can be filtered and stored through a collecting box and a filter screen; the dust collection cover can be driven to swing back and forth above the hydraulic station main body through reciprocating rotation of the swing rod on the outer wall of the stand column, and the dust collection range of the dust collection cover can be expanded through reciprocating swing of the dust collection cover, so that dust drifting away from the top of the hydraulic station main body can be fully adsorbed by the dust collection cover, and the dust removal effect can be improved; a large amount of dust is prevented from being attached to the hydraulic station body in the operation process.

The invention relates to the technical field of electrostatic separation equipment, in particular to a spraying and washing wet-type electrostatic dust collector which comprises a shell, an adsorption mechanism, a spraying mechanism and a collecting mechanism. A plurality of rows and columns of adsorption cavities are densely arranged in the shell, two of four side walls of each adsorption cavity are swingable anode plates, and cathode bars are inserted in the adsorption cavities. The air pump is arranged to enable air to intermittently enter the shell from the air inlet at high frequency, so that the air pressure in the adsorption cavity is increased and decreased in a reciprocating manner, the anode plates are made to fluctuate circularly according to the Bernoulli principle, and then the electric field in the adsorption cavity is made to change in a reciprocating manner. After the air leaves the preset height of the anode plate, the air pressure at the preset height position is reduced, the anode plate at the position is close to the cathode bar, the electric field intensity in the adsorption cavity is increased, and at the moment, the electric field force borne by charged dust particles in the adsorption cavity is larger, so that the adsorption efficiency of the anode plate on the charged dust particles is improved, and the dust removal efficiency is improved; the dust removal effect is optimized.

The utility model relates to the technical field of industry, and discloses a raw material impurity removal device for polyaluminum chloride production, which comprises a box body, and a vibration mechanism is fixedly connected in the box body; and the vibration mechanism comprises first driving motors, a semicircular plate and a first device box, the bottom walls of the two first driving motors are fixedly connected into clamping grooves in the left wall and the right wall in the box body, and the output ends of the two first driving motors are fixedly connected with connecting shafts. According to the impurity removing device, the vibrating mechanism is arranged, so that the problems that small particles or impurities difficult to separate are left in raw materials, the processing capacity of the impurity removing device is reduced, and the same number of raw materials need to be processed for a longer time can be solved; and after the first driving motor is started, the eccentric wheel is driven to rotate through the connecting shaft at the output end, so that the dust removal effect is effectively improved, the condition of blockage caused by particles is reduced, and the working efficiency is improved.

The utility model relates to the technical field of building construction dust fall, and discloses an on-site dust fall device for engineering building construction, which comprises a box body, four corners of the bottom of the box body are fixedly connected with supporting columns, the left side and the right side of the bottom of the box body are fixedly connected with L-shaped fixing plates, the inner sides of the two L-shaped fixing plates are fixedly connected with convex blocks, and the convex blocks are fixedly connected with the bottom of the box body. Pressing plate bases are slidably connected to the adjacent sides of the two L-shaped fixing plates correspondingly, first grooves are formed in the left side and the right side of each pressing plate base correspondingly, wheels are installed at the four corners of the bottom of each pressing plate base correspondingly, the tops of the L-shaped fixing plates are rotationally connected with two-way screw rods, and the left ends and the right ends of the outer walls of the two-way screw rods are rotationally connected with guide blocks correspondingly; according to the utility model, the wheels are driven to move up and down through the movement of the two-way screw rod, the guide block and the connecting plate, and dust particles suspended in the air can be effectively captured through the filter plates mounted on the two sides of the fan, so that the air pollution is reduced.

The invention discloses sanding equipment based on a horizontal machine tool, and belongs to the technical field of sanding equipment, a driving motor works to drive a driving wheel to rotate, the driving wheel provides power for a sanding belt to enable the sanding belt to move clockwise, and a workpiece in a chuck on the horizontal machine tool is in contact with the sanding belt to be sanded. Part of dust particles can be attached to the sanding belt, the cleaning brush outside the hollow roller can clean the dust particles, the supporting roller and the hollow roller are connected through the transmission assembly, the hollow roller and the supporting roller can rotate synchronously, the cleaning effect of the cleaning brush on the surface of the sanding belt is improved, meanwhile, a draught fan is controlled to work, and the cleaning effect is improved. The fan extracts gas in the hollow roller through the flow guide pipe, so that the adsorption holes outside the hollow roller can adsorb dust generated by cleaning, dust particles cannot be scattered all around, the dust removal effect is greatly improved, the dust particles are prevented from making contact with a workpiece to abrade the surface of the workpiece, and then the sanding precision of the workpiece is improved.