286 results about "Dust pollution" patented technology

This utility model provides a cutting cover for processing zirconia ceramic blocks, comprising: a processing table, on the upper surface of which a processing support is fixedly connected, and a cutting tool holder and a positioning mechanism are mounted on the processing support; a cutting cover body, mounted on the processing table, with a door slidably mounted at the front end of the cutting cover body, an observation window mounted on the door body, and an electric push rod fixedly mounted on the inner wall of the cutting cover body, the output end of which is fixedly connected to the upper end of the door body; and a dust collection unit, mounted on the processing table and the cutting tool holder. This cutting cover for processing zirconia ceramic blocks shields the workpiece and equipment during the cutting process, and, with the cooperation of the dust collection unit, collects the dust generated during cutting, avoiding potential safety hazards during cutting and preventing dust pollution of the working environment, thus protecting the health of operators.

The utility model relates to metal smelting deslagging technical field discloses a kind of aluminium thermal reduction crude lead bottom deslagging smelting device, including crude lead aluminium thermal reduction reduction jar and dust collector, the bottom of the reduction jar is fixedly connected and communicated deslagging pipe, the left and right side wall of the deslagging pipe is fixedly installed with multiple hydraulic rods, the piston end end of the hydraulic rod is fixedly installed with broken cone;The air inlet of the dust collector is installed with stainless steel telescopic pipe, the air inlet end of the stainless steel telescopic pipe is fixedly installed with connecting ring, the connecting ring is fixedly connected with inverted U type clamping plate, the lower portion outer wall of the deslagging pipe is fixedly connected with recessed frame, the inverted U type clamping plate is matched with the recessed frame and is clamped. The utility model can be broken automatically and clear, to avoid deslagging blockage, and simultaneously equipped with dust removal device when deslagging, to reduce dust pollution.

The invention discloses closed ore crushing equipment capable of preventing dust from overflowing, and belongs to the technical field of ore processing, the closed ore crushing equipment comprises a bin body, side baffles are fixedly connected to the two sides of the upper portion of the bin body, and a fixing sleeve is fixedly connected to the upper portion of the bin body; a rotating main synchronizing wheel can pull a hinge rod to deflect, and then a sliding plate is pushed and pulled back and forth through the hinge rod, so that the sliding plate pushes and extrudes a traction rod through the chute wall of a chute, the traction rod drives a connecting rod to rotate through a fixed plate, and a spraying head can swing back and forth around the connecting rod; water supply components such as a faucet, a water tank and a water pump are externally connected to the external hose, stable input of a water source is achieved, water flow enters the spraying head through the external hose and is atomized or shunted by spraying holes of the spraying head to form uniform water mist, ore in the storage cavity is wetted, dust generated by crushing is subjected to dust falling treatment, and the ore crushing efficiency is improved. Dust diffusion and flying are inhibited, and the dust is prevented from polluting the working environment and harming the body health of operators.

The utility model belongs to electromechanical equipment technical field especially relates to a kind of electromechanical equipment surface polishing device, including polishing machine main body, the front end of polishing machine main body is fixedly installed with polishing head, dust hood is movably installed below the polishing head, the side surface of dust hood is equipped with air pipe for connecting fan, the inside of the polishing machine is equipped with buffer mechanism.The electromechanical equipment surface polishing device, dust removal mechanism is matched by fan, dust hood, rubber ring and spring one, adsorbs dust, enhances sealing, adapts to different surface, solves dust pollution and other problems;Buffer mechanism uses the floating design of spring two to unload force, reduces impact force, reduces polishing wheel wear, protects equipment, while the setting of ball in polishing machine reduces the friction between components, improves operating stability and smoothness while extending the service life of equipment.

The invention discloses an integrated bulk machine. The bulk machine comprises a machine body supporting seat, a PLC controller, a silo, a dust collecting system, a lifting system and a telescopic barrel, wherein the silo is arranged on the machine body supporting seat in a penetrated mode and is fixedly connected by a fastener; the dust collecting system comprises a dust collecting fan, a dust collecting pipeline and a dust collecting filter barrel; the silo comprises a feeding port, a collecting bin, a discharging port and a curved valve; and the discharging port is fixedly connected with the telescopic barrel, the lifting system matches the telescopic barrel, and the PLC controller is respectively connected with the dust collecting fan, and the curved valve and the lifting system in a communicated mode. The integrated bulk machine has the advantages that each component cooperates with each other, and the machine is reasonable in design; by means of the machine body supporting seat,the whole device system is stabilized; by means of the dust collecting system, the dust pollution caused by transferring the powder can be eliminated; and by means of the lifting system, the change ofthe length of the telescopic barrel can be achieved, so that the whole device is capable of meeting the requirements of a silo of a vehicle body with different heights, the whole device is easy to operate and convenient to transfer, and the bulk machine has wide adaptability and high stability.

The application discloses a mine ore sorting device for mine exploitation, and relates to the technical field of mine equipment, which comprises a bottom plate, a conveying belt, a connecting cylinder, a screening mechanism, a shaking mechanism and a dust removal mechanism. The screening mechanism is composed of multiple groups of screening cylinders, realizing multi-stage screening of ores; the shaking mechanism provides elastic support through springs, so that the screening cylinders shake during the screening process, preventing ores from blocking the screen holes; the dust removal mechanism is equipped with a pumping assembly, a filter plate, a cleaning mechanism and a knocking assembly, effectively removing dust generated during the screening process, automatically cleaning the filter plate, and further preventing blockage by knocking the screening cylinder through the knocking assembly. The application is equipped with a perfect dust removal mechanism, dust-containing air is pumped into the fixed cylinder through the pumping assembly, clean air is discharged after being filtered by the filter plate, dust pollution is effectively reduced, the working environment is improved, and the health of the operators is ensured.

This utility model relates to the technical field of papermaking auxiliary material conveying equipment, specifically to a conveying structure for self-dispersing pigment carbon black used in papermaking. It includes a screw conveyor with a protective cover installed at its bottom. The input port of the protective cover is connected to the output port of the screw conveyor. A rotating disk is rotatably mounted at the output port of the protective cover, positioned opposite to the output port of the screw conveyor. Several baffles arranged in an equally spaced circular array are fixedly installed on the top of the rotating disk. This utility model achieves uniform dispersion of carbon black through the centrifugal effect of the rotating disk and baffles, improving the mixing effect with the pulp. The protective cover effectively seals the path of carbon black ejection, reducing dust pollution and meeting environmental protection requirements. The design of the support base and connecting rod enhances overall rigidity. The direct drive between the motor and the rotating disk ensures operational reliability. The protective top plate is removable, facilitating the cleaning of residual materials inside the screw conveyor.

The application relates to the technical field of building construction equipment, in particular to a material turnover barrel, a piston rod of a driving cylinder is fixedly connected with a barrel sleeve, the piston rod of the driving cylinder is vertically pressed downward during discharging, the barrel sleeve and a cover are synchronously moved downward, the cover is separated from a discharge port, material flows out in a designated direction through movable opening doors in the side wall of the barrel sleeve, a rubber sealing edge at the bottom edge of the barrel sleeve is tightly attached to the ground, and the rubber sealing edge always covers the ground, a physical barrier is formed, dust diffusion is effectively reduced, dust pollution and health risks caused by the whole lifting barrel dumping mode are reduced, the closed turnover treatment of dust materials is suitable, during the discharging process, an operator only needs to simply operate the driving cylinder, automatic discharging of the material can be realized, the problem of low efficiency of manual scooping is solved, and the risk of dust pollution caused by the whole lifting barrel is reduced.

This invention discloses an aerated concrete (ACF) slab brick breaking machine and a slab production line, relating to the technical field of semi-breaking machines. The ACF slab brick breaking machine includes an installation structure, a breaking assembly, a drive assembly, a conveying assembly, and a dust removal structure. The breaking assembly includes a first breaking component and a second breaking component arranged opposite to each other, both movably connected to the installation structure. The conveying assembly is positioned between the first and second breaking components for conveying multiple blanks between them. The dust removal structure includes a negative pressure adsorption unit and an airflow guiding unit. The negative pressure adsorption unit is positioned below the conveying assembly for adsorbing dust falling during the blank breaking process. The airflow guiding unit is positioned on the first and second breaking components for blowing airflow onto the blank breaking contact surface, guiding the dust to the negative pressure adsorption unit. This invention aims to solve the problem of severe dust pollution during the existing ACF slab brick breaking process.

The utility model discloses a vibrating screen with collection function, including the screening mechanism for screening material and the dust collection mechanism for sucking the dust in the screening mechanism, be provided with the casing on the screening mechanism, the inside of casing is provided with the plate screen for screening material, the rear end wall of casing top and below all are provided with the dust extraction cover that links with the inside of casing, be provided with the box on the dust collection mechanism, the inside of box is provided with mounting panel and plate filter screen, and mounting panel is located the top of plate filter screen, the both sides of lower surface of mounting panel all are installed the fan, the below of plate filter screen is provided with the cleaning assembly for cleaning plate filter screen. The utility model discloses when screening material, can suck and collect the dust produced in the material screening process, avoids the dust pollution working environment situation that the material screening process produced.

The utility model discloses a compressor cylinder seat cylinder hole brush polisher equipment, including frame assembly and field equipment line body, be equipped with brush polisher work station and dust absorption work station on field equipment line body, brush polisher work station all includes jacking platform mechanism, press tightly air cylinder, brush polisher propulsion air cylinder and brush polisher, dust absorption work station all includes dust absorption propulsion air cylinder and dust absorption device, all be equipped with displacement sensor and tray inductor for identifying cylinder seat in place state on brush polisher work station, the frame assembly is equipped with the electric cabinet including the electric control system, and the electric control system is electrically connected with each air cylinder, sensor and brush polisher, and the automatic execution of brush polisher and dust absorption process is controlled, the utility model discloses make brush polisher and dust absorption process automation online complete, replace manual handling and manual operation, realize process centralization and beat synchronization, further reach the effect of improving production efficiency, reducing labor intensity, through integration dust absorption purification and automatic counting alarm function, effectively control dust pollution and guarantee brush polisher quality stability.

This invention provides a dust pollution detection method and system based on image recognition, belonging to the field of image processing technology. The method includes: acquiring a group of dust images of a region to be detected, and determining a target image from the dust image group based on a preset filtering rule; performing preprocessing on the target image to obtain a binarized dust image; determining an improved grayscale mean to characterize the global coverage density of the dust based on the binarized dust image, and determining a fractal dimension to characterize the local morphological complexity of the dust using an improved box counting method based on the binarized dust image; constructing a pollution factor based on the improved grayscale mean and the fractal dimension, and assessing the dust pollution level based on the pollution factor. This invention achieves a rapid, stable, and structurally discriminative quantitative assessment of dust pollution status in semi-enclosed environments such as tunnels.

This utility model discloses a material collection device for a mining loader, relating to the technical field of mining loader technology. It includes a conveyor frame and a support frame. The conveyor frame has a material collection frame fixedly installed on its left side. A base is provided on the bottom surface of both the conveyor frame and the material collection frame. A belt conveyor is installed inside the base. There are two supports, fixed to the front and rear sides of the top surface of the material collection frame. The top surface of the supports is connected to the bottom of a motor frame. A motor is mounted on the top surface of the motor frame, and the motor's output shaft is connected to the top of a rotating dispersing and mixing frame inside the support frame. Dust removal units are provided on both the front and rear sides of the material collection frame. This material collection device for the mining loader effectively disperses lumpy materials through the dispersing and mixing frame, preventing feed blockage. It employs a dual dust removal system combining negative pressure filtration and atomized dust suppression, significantly reducing operational dust pollution. An adjustable height limit device is provided to restrict the height of the material to prevent excessively high stacking and potential safety issues.

The application relates to the technical field of batteries, in particular to a lithium ion cylindrical battery, a preparation method thereof and an electric device. The provided lithium ion cylindrical battery comprises a shell and a roll core arranged in the shell, the roll core comprises a laminated body, the laminated body is wound to form the roll core according to a winding direction; the laminated body comprises a positive electrode sheet, a diaphragm and a negative electrode sheet which are sequentially laminated; the positive electrode sheet is provided with at least one positive electrode tab on at least one side in a width direction, and the negative electrode sheet is provided with at least one negative electrode tab on the other side in the width direction; an end of the roll core is provided with a rubbing layer, the rubbing layer comprises a positive electrode rubbing layer and a negative electrode rubbing layer, the positive electrode tab is formed into the positive electrode rubbing layer through pressing, and the negative electrode tab is formed into the negative electrode rubbing layer through pressing; the number of dust particles on the surface of the rubbing layer is a, and the unit is: g; a satisfies: a <= 150; wherein the particle size of the dust particles is 5-15 mu m. The battery can effectively avoid the influence of dust pollution on the internal structure of the battery.

This invention discloses an intelligent dust removal device and method for coal storage plants. The invention relates to the field of dust pollution control technology, including a coal hopper and a dust collection pipeline. It further includes: a rubber tube installed outside the bottom of the coal hopper to extend the bottom of the hopper and lower the coal outlet position; an ash-blocking hood fitted over the rubber tube to extend the bottom of the rubber tube; and an ash-blocking membrane connected at the top between the rubber tube and the ash-blocking hood. By installing a rubber tube and an ash-blocking hood at the bottom of the coal hopper, the high coal outlet of the hopper is significantly lowered. During coal feeding, the distance between the bottom and the hopper can be minimized, thereby reducing dust. The larger outer area of ​​the ash-blocking hood can cover the dust emanating from the bottom of the rubber tube, while the ash-blocking membrane at the top ensures that dust only diffuses inside the ash-blocking hood. Combined with the dust extraction from the dust collection pipeline, a good dust removal effect is achieved. The extracted dust is then introduced into a spray dust suppression device for spray dust suppression.

The utility model relates to an unmanned plane technical field, concretely relates to a land and resources surveying and mapping unmanned plane rotation camera device, including unmanned plane main part, the bottom fixedly connected with connecting seat of unmanned plane main part, the bottom rotationally connected with connecting shell of connecting seat, the inside of connecting shell is equipped with camera, the outside of connecting seat is equipped with rainproof subassembly, the inside of connecting shell that is located camera's outside is equipped with protection subassembly, compares with current camera device, mechanical locking replaces traditional spring buckle, avoids unmanned plane vibration and leads to rain cover to fall off, and elastic rain cover is pasted connecting seat surface, effectively drains rainwater, protects camera from getting wet, and through the rotation block operation can complete fixed or release, and the maintenance is convenient, and electric telescopic link drive moving frame, drive moving block sliding, make guide rod push the protection plate open and close, close protection plate when not working, avoid camera and be impacted or dust pollution by external force.

The application discloses an automatic conveying device, relates to the material conveying technical field, and improves a series of requirements and problems such as long distance, large conveying capacity and high efficiency, maximally reduces labor and material waste, and improves production efficiency, and comprises a hopper, a plurality of standard spiral conveying pipes, a plurality of series joints and a discharge port. The conveying device is assembled by a plurality of standard units, so that the conveying equipment is more miniaturized and simplified, equipment installation, dismounting and transportation are facilitated, different working environments and conditions can be adapted, power output of the conveying device is more stable and efficient by adopting a decentralized arrangement form, the conveying device can realize longer distance transportation, meanwhile, the conveyed materials are transported through a closed pipeline, so that the materials can be prevented from being accidentally spilled, personnel casualty and property loss are avoided, and the conveying device has higher safety. In addition, sealed transportation can effectively control dust pollution, irritating smell and the like, and has higher environmental protection.

This utility model discloses a multi-stage dust filtration and purification device for sandblasting machines, belonging to the technical field of dust purification devices. It includes: a sandblasting machine body; a connecting pipe fixedly installed on one side of the sandblasting machine body; a purification box installed at one end of the connecting pipe; a spray assembly inside the purification box; and a water tank, which has a short pipe fixedly installed on the top of the water tank and a water outlet pipe at the top of the short pipe. This achieves preliminary dust purification, significantly reducing the filtration load on subsequent filter boxes one and two, extending the service life of the primary and secondary filter plates, and significantly reducing the dust content in the exhaust gas, effectively meeting environmental emission standards, reducing dust pollution to the atmospheric environment, and greatly shortening the time for cleaning and replacing filter plates. It also avoids performance degradation of the entire purification device due to local filtration failure, and the double fixing prevents the filter plates from loosening or shifting during operation.

The utility model relates to a kind of negative pressure systems for graphitization furnace filling, including the buffer bin for buffering material being set above graphitization furnace, the feed pipe being set on buffer bin and being communicated with buffer bin inner chamber, the discharge pipe of buffer bin lower end is connected, material in buffer bin enters graphitization furnace along discharge pipe, and graphitization furnace is filled with material, the suction pipe being set on buffer bin and being communicated with buffer bin inner chamber, one end of suction pipe is connected with buffer bin, the other end of suction pipe is connected the gas inlet of dust collector, the gas outlet of dust collector is communicated the gas inlet of vacuum pump, and the gas outlet of vacuum pump is emptying.The utility model extracts the vacuum negative pressure in buffer bin and discharge pipe when filling graphitization furnace by vacuum pump, in the process of filling graphitization furnace by material through buffer bin and discharge pipe, the negative pressure state in buffer bin and discharge pipe can reduce dust material overflow, reduce dust pollution.

The utility model discloses a kind of jawed breaker, it belongs to the field of breaker, to solve the lack of soil separating device before crushing of existing jawed breaker, thereby leading to soil and stone mixed to cause crushing efficiency to decline, and the problem of heavy dust pollution in crushing process, including rack, the rack is equipped with feed inlet, the feed inlet place screening assembly, first hopper is connected below the screening assembly, the first hopper is fixedly connected with the rack, the rack side is connected with folding stock rack, the folding stock rack is equipped with first material conveying belt, the first material conveying belt is below the first hopper, along material advancing direction, the front of screening assembly is equipped with jawed breaker, the side of jawed breaker is equipped with support stock rack, the support stock rack is equipped with second material conveying belt, one end of the first material conveying belt is below the discharge port of jawed breaker, advantage lies in: screening is carried out by screening assembly, improve the crushing efficiency of subsequent stone, reduce dust problem.

This invention belongs to the field of ferromolybdenum alloy smelting technology, specifically relating to a two-stage continuous smelting and casting method and apparatus for ferromolybdenum alloys. This invention couples the aluminothermic rapid reduction reaction with medium-frequency induction refining. The ferromolybdenum alloy liquid is conveyed by gravity through slag blocking and sealing into the medium-frequency refining tundish, completing heat preservation, homogenization, secondary slag removal, and flow stabilization. Subsequently, it is directly and continuously cast into 30-50mm thick ingot-shaped ingots, achieving near-net-shape forming, eliminating crushing and screening. This invention solves the problems of component segregation, high oxygen content, intermittent production, large crushing losses, and severe dust pollution associated with the traditional aluminothermic process for ferromolybdenum. It features a short process, high efficiency, superior quality, environmental friendliness, and high degree of automation. The prepared ferromolybdenum ingots have uniform size, stable composition, and an oxygen content ≤80ppm, and can be directly used in special steel smelting, suitable for the continuous industrial production of high-end ferromolybdenum alloys.

The application relates to the technical field of plastic sheet edge cutting, in particular to a plastic sheet edge cutting device with burr removing and dust adhering functions. The adhering assembly comprises a supporting rod and an adhering component. The adhering component is sleeved on the outer wall of the supporting rod. The adhering component is in close frictional contact with the plastic sheet cut by the cutting assembly and the edge piece generated after cutting. The adhering component is gauze. The fibers of the gauze can remove burrs in real time through slight physical scraping, so that the appearance quality of the plastic sheet is improved. Meanwhile, static electricity is generated through the friction between the gauze and the plastic sheet and the edge piece. The static electricity and the porous structure of the gauze can effectively adhere to and intercept the generated dust particles, so that the dust pollution of the production environment is significantly reduced.

The application discloses a kind of salt mixed micro proppant consolidation particles and preparation method thereof, and the consolidation particles are prepared by any one of the following methods: solid salt and micro proppant mixture granulation method, solid salt and micro proppant wet mixing drying granulation method or high concentration salt water and micro proppant drying granulation method, using water-soluble salt, micro proppant and micro proppant surface modification material.The micro proppant has low cost, avoids dust pollution, is easy to store and add, can be carried to deep fractures, realizes full propping of fractures, and finally improves the transformation effect.

The utility model discloses a kind of negative pressure dust suppression sealing cover for conveying belt, belong to dust pollution control technical field, including for cover being set on the cover body of conveying belt upper, and with the negative pressure system of the inside space communication of cover body, the cover body includes: door frame;At least one liftable sealing door curtain being arranged along the length direction of the conveying belt, side of the sealing door curtain is arranged in the door frame;Door curtain sliding groove, the door curtain sliding groove is fixed on the door frame, for guiding the side of the sealing door curtain to lift, sealing brush is equipped in the door curtain sliding groove for forming dynamic sealing with the sealing door curtain.The utility model realizes dust control to the whole line of conveying belt, dust suppression effect is good, structure is ingenious, easy to maintain.

The application discloses a dust escaping and recycling system of a coking plant dust removal ash bin, relates to the technical field of industrial dust removal, and comprises a dust removal ash unloading room, an ash tank operation platform, a dust removal ash storage tank, a dust collection pipeline, an automatic sealing gate, a dust humidifying and stirring system, a dust removal butterfly valve, a fluid conveying control valve, a dust remover and a control device. A mounting hole corresponding to the dust removal ash storage tank is formed in the side wall of the dust removal ash unloading room, one end of the dust collection pipeline is arranged in the mounting hole, the other end of the dust collection pipeline is connected to the input end of the dust remover, the output end of the dust removal ash storage tank is connected to the input end of the dust humidifying and stirring system, a dust suction inlet is formed in one end of the dust collection pipeline located in the dust removal ash unloading room, the dust removal butterfly valve is arranged in the dust collection pipeline, and the automatic sealing gate is arranged at the entrance of the dust removal ash unloading room. Through the arrangement, dust pollution is significantly reduced, equipment corrosion is reduced, manual cleaning intensity is reduced, and the working environment is improved.

The utility model provides a dustless pollution type hammer type rubbing crusher relates to rubbing crusher technical field, the utility model discloses a base is placed on the ground to whole and provides support, the upper surface of base is installed with rubbing crusher shell, the upper surface fixed connection of rubbing crusher shell has the feed pipe, the bottom fixed connection of rubbing crusher shell has the discharge pipe, the filter screen fixed connection is in the inside of rubbing crusher shell, wherein the cavity exists between filter screen and rubbing crusher shell, the rubbing hammer rotates in the inside of annular filter screen by the help of pivot, wherein rubbing hammer can rub the material in the inside of filter screen, the driving mechanism fixed mounting is on the upper surface of base, wherein driving mechanism can drive the rotation of pivot, the knocking device sets up on the circular arc surface of filter screen, the utility model discloses the filter screen is knocked unceasingly to the knocking device, avoids the filter screen and blocks, thereby causes the material that rubs to pass through the filter screen and happens.

The present application relates to a kind of intelligent opium drug container disposal equipment and its control method, it is related to medical waste processing technical field, the intelligent opium drug container disposal equipment includes rack, identity recognition module, container overturning device, weighing module, visual identification module and pulverizing device;Rack is formed with feeding port, and is formed with upper and lower setting accommodating cavity and pulverizing cavity;Identity recognition module is set on rack, for identifying the identity information of user;Container overturning device is set between accommodating cavity and pulverizing cavity, for carrying container and making it fall into pulverizing cavity by overturning action using gravity;Weighing module and visual identification module are used to detect container weight and identify container type respectively;Pulverizing device is used to pulverize container.The present application can simplify feeding process, eliminate mechanical material risk, and prevent dust pollution detection element, improve the reliability and maintenance convenience of equipment operation.

The application relates to the technical field of cement packaging, in particular to a cement packaging ash outlet pipe and a cement packaging system. The cement packaging ash outlet pipe comprises a nozzle, a connecting seat and a negative pressure dust suction pipe; the nozzle is connected with the connecting seat; the end of the nozzle is provided with a discharge port, and the outer periphery of the nozzle is provided with an exhaust groove along the axial direction of the nozzle; the negative pressure dust suction pipe is connected with the nozzle and is used for being communicated with the inside of the nozzle or the exhaust groove so as to absorb the flying dust in the exhaust groove area or the flying dust in the nozzle. The cement packaging ash outlet pipe is applied to the cement packaging system, can collect the flying dust escaping in the cement filling process, can reduce dust pollution and improve the packaging environment.