73results about How to "Reduce dust concentration" patented technology

The invention belongs to the technical field of construction waste treatment, and discloses a construction waste crushing treatment device for house building construction. Comprising a crusher body and a base; the top end of the base is fixedly connected with a conveying frame through multiple sets of elastic sheet plates. The feeding end of the conveying frame communicates with the discharging end of the pulverizer body through a hose. A strong magnetic roller is installed in the conveying frame, a driving mechanism is installed between the base and the conveying frame, and materials in the conveying frame are conveyed in a vibrating mode through matched use of the driving mechanism and an elastic piece plate. A shifting mechanism is mounted between the base and the conveying frame, and metal fragments adsorbed on the strong magnetic roller are shifted to one side of the conveying frame through the shifting mechanism; according to the device, metal fragments adsorbed on the strong magnetic roller can be effectively removed, and the metal removal efficiency and accuracy are improved.

The invention discloses shaping and accurate grinding equipment for non-ferrous metal calendaring, and relates to the technical field of metal shaping and accurate grinding. The shaping and accurate grinding equipment comprises a grinding table, a supporting frame is fixedly connected to the upper end face of the grinding table, an air cylinder is fixedly connected to the supporting frame, a grinding motor is fixedly connected to the output end of the air cylinder, and a grinding wheel is fixedly connected to the output end of the grinding motor; when the grinding wheel deviates, the detection rod can be automatically pushed to drive the push plate to make contact with the power switch, the power switch is toggled to turn off the grinding motor, the problem of uneven grinding caused by deviation of the grinding wheel is avoided, and therefore it is ensured that key parameters such as flatness and roughness of the surface of non-ferrous metal can meet preset requirements; and an automatic stop mechanism can quickly respond to the deviation condition, and the situation that when the grinding wheel deviates, the grinding wheel continues to work, the surface of the non-ferrous metal is excessively ground or even penetrated, and consequently the product is locally damaged or scrapped is avoided, so that the rejection rate of the non-ferrous metal is remarkably reduced, and resource waste is reduced.

The invention provides an underground engineering sampling device, which relates to the technical field of underground engineering sampling and comprises a supporting mechanism, a sampling mechanism, an intermittent dust falling mechanism and a reciprocating cleaning mechanism. The soil sampling device has the beneficial effects that when soil is sampled, the motor drives the lead screw mechanism to drive the soil sampling barrel to move downwards to be inserted into the soil, and meanwhile, a sliding block of the lead screw mechanism drives a driving gear to rotate along a transmission toothed plate so as to drive a gear mechanism to drive an auger blade to rotate to convey out the soil in the soil sampling barrel; meanwhile, a driving gear rotates to drive an intermittent toothed plate to intermittently move downwards, so that a water blocking plate intermittently slides downwards, and a liquid inlet hole in the upper end of the water blocking plate intermittently enters a water tank, so that the water tank intermittently supplies water to a water spraying assembly, water is sprayed to the periphery of a soil sampling barrel through the water spraying assembly, and dust generated in the sampling process is adsorbed in time; the dust concentration in the working environment is effectively reduced, the quality of the working environment is improved, the health of workers is protected, and the risk of respiratory system diseases is reduced.

The invention provides an organic fertilizer raw material mixing and stirring device which comprises a tank body and a stirring assembly arranged in the tank body, and the stirring assembly comprises an inner cutting mechanism and an outer stirring mechanism; the inner cutting mechanism comprises a rotating shaft and cutting blades, the outer stirring mechanism comprises a cylindrical rotating frame, spiral blades are arranged on the inner side face of the rotating frame, and the spiral blades and the cutting blades do not interfere with each other during rotation; a dust control assembly is further arranged on the top of the tank body. Materials in the tank body form up-and-down reciprocating circulation and are in full contact with the cutting blades, more sufficient mixing is achieved in the up-and-down moving process, and raw materials with more uniform texture are formed; the dust control assembly can maintain the concentration of dust in the tank body to be at a normal level, the situation that too much dust is scattered into a plant after discharging to cause serious pollution is avoided, and the problem that due to the fact that the humidity of raw materials is too high, viscosity is too high, and discharging is affected is also avoided.

The movable dust removal device for workshop production comprises a moving mechanism, a recognition mechanism and a dust removal mechanism, the recognition mechanism is fixedly connected to the top of the moving mechanism, the dust removal mechanism is fixedly connected to the top of the recognition mechanism, and the moving mechanism comprises a transmission unit and a control unit. The control unit is fixedly connected to the top of the transmission unit, the dust removal mechanism comprises an air inlet unit and an exhaust unit, the air inlet unit is fixedly connected to the top of the recognition mechanism, and the exhaust unit is fixedly connected to the top of the recognition mechanism. According to the system, the programmable control module is arranged as a core, centralized control over roller driving, a steering motor, radar navigation and a suction system is achieved, the speed and direction of rollers are automatically adjusted, obstacle avoidance and path planning are achieved, and the effect of automatic cruise dust removal in a workshop is achieved; and a blind area possibly existing in a traditional single suction mode is avoided.

The utility model discloses a dust fall device for road construction, and particularly relates to the technical field of road construction, the dust fall device comprises a baffle plate, the back side of the baffle plate is connected with a pair of side plates, the interiors of the pair of side plates are rotatably connected with shaft rods, water distribution pipes are inserted into the inner sides of the shaft rods, the outer sides of the water distribution pipes are connected with a plurality of atomizing nozzles at equal intervals, and the atomizing nozzles are connected with the baffle plate. One end of a water inlet pipe of the atomization nozzle penetrates through the interior of the water distribution pipe, and a driving mechanism is arranged on the outer side of the shaft rod on the left side; a first hose is connected to the lower portion of the water distribution pipe in a penetrating mode, a water supply mechanism is arranged at one end of the first hose, baffles are placed on the two sides of a construction road, it is ensured that a construction area is isolated from the outside, a direct current motor is started, a second gear is driven to rotate, then a first gear and a shaft rod are driven to rotate, and the angle of the water distribution pipe is conveniently adjusted; and therefore, the angle of the water mist sprayed by the atomizing nozzle can be adjusted, and dust falling treatment can be conveniently carried out on raised dust at different spatial positions in a construction area.

The utility model belongs to the technical field of rust removal of steel pipes for building construction, and particularly relates to a rust removal device for building construction, which comprises a base. Two T-shaped sliding rails are fixedly connected to the base, the two T-shaped sliding rails are sleeved with a sliding seat in a matched mode, a dust collection box is fixedly connected to the top of the sliding seat, two bent plates are fixedly connected to the top of the dust collection box, a shell cover is fixedly connected to the top ends of the two bent plates in a matched mode, and a dust collection pipeline is connected between the bottom end of the shell cover and the top of the dust collection box. A screw hole is formed in the top end of the circumferential surface of the housing, and a threaded rod is rotationally assembled in the screw hole; in the polishing and derusting process, dust and particulate matter generated in the polishing and derusting process can be greatly reduced by arranging the dust removal mechanism, so that pollution to the surrounding environment is reduced, the dust concentration in air can be remarkably reduced, the air quality of a working place is improved, and the risk of suffering from respiratory diseases is reduced; and the body health of workers is protected.

The invention relates to an intelligent inspection robot for a gas tunnel, and belongs to the field of tunnel inspection technologies, the intelligent inspection robot comprises a base, a walking mechanism, a gas detector, an alarm, a control panel, a ventilation mechanism and a power supply, the walking mechanism is arranged on the base and used for walking in the tunnel; the gas detector is arranged on the base and used for detecting the gas concentration of gas, the alarm is arranged on the base, and the control panel is arranged on the base and electrically connected with the gas detector, the alarm and the ventilation mechanism; the ventilation mechanism is arranged on the base and is used for blowing air to a high position with relatively high gas concentration; the power source is arranged on the base and used for supplying power to the walking mechanism, the gas detector, the alarm, the control panel and the ventilation mechanism. The method has the advantages that the gas concentration of the gas in the local area is reduced, and the problem that the local gas content of the tunnel is prone to exceeding the standard during tunnel construction is effectively solved.

The invention discloses a purified air supply device and method for an underground working face. According to the device, a main ventilator and a main air door are installed in a main ventilation pipeline; an auxiliary ventilating pipeline provided with an auxiliary ventilator and an auxiliary air door is connected with the main ventilating pipeline; the fresh air supply mechanism comprises a branch ventilation pipeline, a branch air door, an air purifier, an ultra-clean fresh air monitoring assembly and an individual clean air supply unit. The branch ventilation pipeline provided with the branch ventilation door is connected with the main ventilation pipeline, and the air outlet end of the branch ventilation pipeline is of an open structure; the air purifiers are arranged in the branch ventilation pipelines; the ultra-clean fresh air monitoring assembly is mounted on the branch ventilation pipeline; the individual clean air supply unit comprises a protective air supply pipeline, a one-way valve, a flow pump, a flow controller and a breathing mask. The method comprises the steps that fresh air is supplied into the main ventilation pipeline through the ventilator; deep purification is conducted through the air purifier, and fresh air is guided to the position near the working face or the tunneling face through the branch ventilation pipeline. The device and the method can meet diversified underground clean air supply requirements.

The utility model provides a beneficiation dedusting recovery device, which relates to the field of zinc ore beneficiation, and comprises a box body, a crushing mechanism used for crushing ores is arranged in the box body, a screening mechanism used for vibrating and screening the ores is arranged below the crushing mechanism, and the screening mechanism is arranged below the box body. The outer surface of the box body is provided with a dust removal mechanism used for absorbing and recycling dust. The dust removal mechanism comprises a dust suction machine fixedly connected to the outer surface of the box body, and the input end of the dust suction machine is fixedly communicated with an input pipeline. According to the beneficiation dust removal and recovery device, the dust suction machine drives the input pipeline and the connecting pipeline to suck dust generated in the box body, dust generated in the machining process is effectively captured, the dust concentration of a working area is reduced, environmental pollution is reduced, the sucked dust is conveyed into the settling box through the output pipeline to be settled, and the working efficiency is improved. And precipitated fine zinc ore particles can be recycled, and the utilization rate of resources is increased.

The invention designs self-feeding dust removal integrated equipment for ore processing, and belongs to the technical field of dust removal devices. The dust removal device comprises a bottom frame, a lifting table, a conveying frame, a dust suppression cover, a dust collector, a dust collection cover and a dust removal tank. The lifting table is firmly assembled on one side of the bottom frame, the position of the upper end of the lifting table is higher than that of the upper end of the bottom frame, and the conveying frame is connected between the bottom frame and the upper end of the lifting table in an inclined mode. And the upper end of the conveying frame is covered and sealed by a dust suppression cover. The self-feeding and dust-removing all-in-one machine for ore processing has extremely outstanding advantages. The working efficiency is greatly improved, and meanwhile, the product quality is powerfully guaranteed; the pollution degree to the environment is effectively reduced, and the energy consumption is reduced; the working environment condition is greatly optimized; the operation process is simple, convenient and feasible, and the later maintenance is convenient. The equipment has non-negligible key value and far-reaching significance for promoting the ore processing industry to advance towards the sustainable development.

The utility model relates to a dust explosion protection system for a chemical workshop. The dust explosion protection system comprises a dust removal assembly and a spraying assembly, the dust removal assembly comprises a dust removal box, an air inlet pipe and an air outlet pipe are connected to the dust removal box, a filter cloth frame and a screen plate are installed on the inner wall of the dust removal box, a plurality of pieces of filter cloth are connected between the filter cloth frame and the screen plate, an exhaust fan is installed in the dust removal box, a transmission rod penetrates through the center of the exhaust fan, and a driving motor is installed on the outer side of the dust removal box; a worm is in butt joint with the driving motor, a turbine is meshed with the worm, and the turbine is in butt joint with the transmission rod; the spraying assembly comprises a piston pump, a water inlet pipe and a water outlet pipe are in butt joint with the piston pump, the piston pump comprises a pump shell, a rotary disc is installed in the pump shell, a connecting rod is hinged to the rotary disc, a piston is hinged to the connecting rod, a rotary shaft penetrates through the center of the rotary disc, a first gear is in butt joint with the rotary shaft, a second gear is meshed with the first gear, and the second gear is in butt joint with a worm. And the driving motor can drive the piston pump to operate while driving the draft fan to operate.

The present invention provides a flue gas heat exchanger and system for nonferrous smelting industry. The heat exchanger comprises a shell, and the heat exchanger shell comprises an upper box, a middle box, and an ash hopper. The middle box is disassembled to set a heat dissipation pipe, and a dust cleaning mechanism is arranged in the upper box, and an ash hopper is arranged below the heat dissipation pipe. A partition plate is arranged in the heat exchanger, and the partition plate separates the upper box into upper box I and upper box II, and separates the middle box into middle box I and middle box II. One of the upper box I and upper box II is connected to the flue gas inlet, and the other is connected to the flue gas outlet. The middle box I and the middle box II are connected through the ash hopper. The high-temperature flue gas goes through the shell process, and the high-temperature flue gas forms dust accumulation on the outer wall of the heat dissipation pipe, so that the dust cleaning chain can clean the dust accumulation on the outer wall of the heat dissipation pipe, and the cleaned dust accumulation falls into the ash hopper below the heat dissipation pipe, and the ash hopper can collect the dust accumulation conveniently. The flue gas cooling equipment is aimed at the flue gas temperature, strong corrosion, and high smoke dust concentration in the nonferrous smelting industry under harsh working conditions.

The utility model discloses a dust suppression device for environmental protection, which comprises a dust suppression mechanism and an automatic adjusting mechanism, the automatic adjusting mechanism is fixedly connected to the front side of the dust suppression mechanism, the automatic adjusting mechanism comprises an automatic adjusting box, and the bottom of the back side of the inner cavity of the automatic adjusting box is fixedly connected with a motor. A first gear is fixedly connected to the output end of the motor, second gears are movably connected to the two sides of the back face of an inner cavity of the automatic adjusting box through bearings, the outer sides of the second gears are meshed with the first gear, a rotating pin is fixedly connected to the bottom of the front face of the second gear, and the surface of the rotating pin is sleeved with a transverse frame assembly. The two sides of the transverse frame assembly are in sliding connection with the inner wall of the automatic adjusting box. According to the dust falling device, the traditional mode of manually adjusting the spraying angle is changed, and the dust falling assembly is adjusted in an up-and-down inclined mode through the adjusting plate and the pin shaft, so that the accurate spraying angle cannot be easily achieved, and the unsatisfactory spraying effect cannot be caused.

A device and method for direct steam reforming of high-temperature coke oven gas to produce hydrogen, relating to the field of hydrogen production technology in energy and chemical engineering, includes a reformer, a primary cyclone separator, heat recovery equipment I, a high-temperature filter, heat recovery equipment II, a water washing tower, a syngas compressor, a shift converter, a low-temperature methanol washing device, a steam jet pump, a steam drum, a circulating pump, a cooler, and a secondary cyclone separator. The top reactant gas inlet of the reformer is connected to an oxygen pipeline, and the top side reactant gas inlet is connected to the outlet pipeline of the high-temperature coke oven gas and high-temperature steam mixture from the steam jet pump. Without additional mechanical transmission equipment, the pressure of high-temperature coke oven gas under slightly positive pressure within the range of atmospheric pressure or several hundred Pascals can be increased several times. Due to the increased pressure, the density of the gas medium in the system increases several times accordingly, effectively improving the unit volume reaction intensity of the reformer equipment and significantly reducing the fixed investment costs of the reformer and its downstream equipment and process pipelines.

The utility model discloses a one-ventilation three-proofing ventilation device, which relates to the technical field of ventilation devices, and comprises a ventilation device base, an exhaust mechanism is arranged at the top of the ventilation device base, the exhaust mechanism comprises an air pipe, the front end of the air pipe is fixedly connected with a shell, the inner side of the shell close to the rear part is fixedly connected with an inner plate, and the inner plate is fixedly connected with the air pipe. An air pipe is fixedly connected to the rear portion of the shell, a water pipe is fixedly connected to the position, close to the middle, of the top of the air pipe, a plurality of guide plates are fixedly connected to the position, close to the front portion, of the inner side of the inner plate, and one side of each guide plate is fixedly connected to the position, close to the front portion, of the inner side of the shell. The problem of fire disasters caused by heating and collision of the fan is solved by connecting an external air source, the effects of dust suppression and convenient installation are achieved, and the problems that potential safety hazards exist due to the fact that the fan needs to be used in a traditional ventilation device, and installation and maintenance are inconvenient are solved.

The utility model relates to the technical field of gypsum block production, and discloses a stirrer for gypsum block production, which comprises a stirring box, the top of the stirring box is fixedly connected with a motor I, the inner top wall of the stirring box is fixedly connected with a fixed block, the outer part of the fixed block is rotatably connected with a moving part, and the moving part is fixedly connected with a motor II. A second gear is fixedly connected to the bottom of the moving part, a stirring rod is fixedly connected to the outer portion of the second gear, a mounting block is rotatably connected to the bottom of the second gear, and a gear ring is fixedly connected to the inner wall of the stirring box. According to the gypsum stirring device disclosed by the utility model, the gear I drives the gear II to rotate, so that the gear II moves along the gear ring while rotating under the action of the gear ring, the stirring area is increased, and gypsum adhered to the inner wall of the stirring box is scraped off through the connecting rod, so that the gypsum can be fully mixed and stirred in all directions; the properties of the gypsum and other materials can be fully exerted and improved.

The utility model discloses roller polishing equipment capable of adapting to different rollers, which relates to the technical field of roller processing and comprises a base, a mounting frame is fixedly mounted above the base, polishing heads are arranged on the left side and the right side of the top surface of the mounting frame, clamping structures are arranged on the left side and the right side of a supporting frame, and each clamping structure comprises a lower roller and a side roller. The lower rolling wheels and the side rolling wheels fixedly clamp the side edges and the bottoms of the rollers with different diameters, a lifting block is arranged in the supporting frame, the lifting block is slidably connected to a sliding groove in the supporting frame, and a collecting box is fixedly installed in the middle of the supporting frame and is of a drawing structure. The roller polishing equipment capable of adapting to different rollers solves the problems that a traditional clamp is poor in adaptability and low in scrap cleaning efficiency, the dust concentration of a workshop is reduced, the roller polishing equipment is suitable for high-precision polishing of various rollers, and the machining efficiency and the environment safety are remarkably improved.

The utility model relates to the technical field of construction noise reduction, and discloses an environment-friendly construction noise reduction device which comprises a fixing frame, a base is fixedly installed at the bottom of the fixing frame, a ground inserting column is fixedly installed on the lower portion of the base, a groove is formed in the bottom end of the ground inserting column, and a butt joint groove is formed in the left side of the fixing frame. The environment-friendly noise reduction device for construction is provided with the rotatable top water tank and the atomization nozzles, the spraying angles of the atomization nozzles can be conveniently adjusted, meanwhile, the atomization nozzles distributed at equal intervals can guarantee the uniformity of the atomization effect, dust falling can be conducted on a construction site, the dust concentration of the construction site can be effectively reduced, and the construction efficiency is improved. The sound absorption holes distributed at equal intervals can effectively increase the sound absorption area of the sound absorption board and improve the sound absorption effect of the sound absorption board, the density and strength of the sound absorption board can be increased through the fiberboard material, the sound absorption board is more durable and stable, and the noise reduction device for environment-friendly construction can be used for dust falling and noise reduction and is high in practicability.

This invention discloses a dust-blocking device and supporting dust removal system for a tunneling face, as well as its usage method. The device includes a first hinged flap, a first dust-blocking explosion-proof transparent door, a second hinged flap, a second dust-blocking explosion-proof transparent door, a first dust-blocking explosion-proof transparent door outer frame, a first flexible soft-body sealing frame, a second dust-blocking explosion-proof transparent door outer frame, and a second flexible soft-body sealing frame. The first and second dust-blocking explosion-proof transparent doors are symmetrically distributed on both sides of the tunneling machine and are respectively fixed to the first and second hinged flaps. The first and second flexible soft-body sealing frames are respectively fixed to the first and second dust-blocking explosion-proof transparent doors via the outer frames of the first and second dust-blocking explosion-proof transparent doors. This invention has advantages such as simple structure, convenient installation and movement, ability to form a sealed space at the working face, good dust-blocking effect, fast dust removal speed, minimal interference with personnel operations and visibility, strong applicability, and low cost.

The invention relates to the technical field of grave digging equipment, and discloses a grave digging device and a using method thereof.The grave digging device comprises a frame body, a supporting plate is fixedly connected to one side of the top end of the frame body, a filtering box is fixedly connected to the top of the supporting plate, an exhaust fan is installed outside the filtering box, and the outer side of the filtering box communicates with a connecting pipe; a dust removal hopper is fixedly connected to one end of the connecting pipe, two filter screens are detachably connected to the interior of the filter box, and a driving shaft is rotationally connected to one side of the interior of each filter screen. By additionally arranging the dust falling assembly, the dust concentration in the air can be effectively reduced in the grave digging process, the risk that workers inhale harmful particles can be reduced by reducing dust, and therefore the respiratory system and the overall health of the workers are protected. And meanwhile, the filter screen can be automatically cleaned in the grave digging process, the filter screen is prevented from being blocked, and therefore the normal use effect of the dust falling assembly is guaranteed.

The utility model relates to the technical field of landscaping engineering, and provides a landscaping engineering dust raising prevention device which comprises a vehicle body, a water storage barrel is fixedly installed on the right side of the top of the vehicle body, a first rotating rod is movably embedded in the center of the interior of the water storage barrel, and a motor is fixedly installed on the top of the first rotating rod. The outer surface of the bottom of the first rotating rod is movably embedded in the vehicle body, a first bevel gear is fixedly installed at the bottom of the first rotating rod, and a second rotating rod is movably embedded in the bottom of the vehicle body. According to the device, the automatic reciprocating lifting motion of the spray head is realized, so that the spraying range and the coverage area of the spray head are increased to adapt to different heights and distances, a dust prevention and control blank area is prevented, the dust concentration in a construction range is effectively reduced, and the dust prevention effect is improved.

The utility model discloses a kind of dust-preventing building waste disposal with sand and stone screening device, including machine body and material cylinder, the machine body inside is fixedly connected with fixed frame, the machine body top is installed with material cylinder, the material cylinder right side is provided with dust-preventing mechanism;Dust-preventing mechanism includes filter device and dust-settling device;Filter device is composed of filter box and negative pressure fan, the filter box input end is connected with dust cover by pipeline, the dust cover is fixed on material cylinder top, the negative pressure fan is installed in filter box right side, filter cartridge is installed in the filter box inner wall, flowmeter is installed between the negative pressure fan input end and filter cartridge, the negative pressure fan output end is connected to dust-settling chamber by pipeline.This utility model is provided with dust-preventing mechanism, can suck dust negative pressure at entrance, and after filtration, remove inclusions garbage, again through water curtain spray realizes wet type settlement, to effectively reduce air dust concentration, improve dust-settling effect, it is convenient for subsequent centralized recovery processing.

The utility model discloses a kind of for vehicle skeleton inner hole processing equipment, including bottom plate, fixedly connected with operation table on bottom plate, chute is opened in operation table, controller is installed in operation table, clamping transport mechanism is provided in operation table, inner hole processing mechanism is provided in operation table, flush mechanism is provided between bottom plate and operation table.The utility model realizes the accurate position control of inner hole processing ware by second distance sensor and third electric push rod cooperation, in processing process, second distance sensor pre-set first threshold value and second threshold value, ensure that inner hole processing ware is accurate in position when descending and ascending, to effectively reduce inner hole roughness.

The utility model relates to the technical field of tire mold processing, and provides an air hole drill for a tire mold, which comprises a base, the rear side of the base is fixedly connected with a fixing frame, the top of the fixing frame is fixedly connected with an air cylinder, and the bottom of the output end of the air cylinder penetrates through the fixing frame and is fixedly connected with a motor. The hollow drill bit is arranged to be matched with the air inlet pipe, high-pressure airflow is continuously sprayed into the air holes through the air supply holes, the airflow rapidly brings metal scraps generated by machining out of the air holes along surface lines of the drill bit, and the situation that the scraps are accumulated in drill bit grooves to cause clamping or hole diameter errors is avoided; meanwhile, airflow cools the drill bit and the inner wall of the air hole in real time, tool abrasion caused by high temperature is reduced, the service life of the drill bit is prolonged, airflow circulation is formed by combining a filtering and exhausting assembly and a hose, exhausted air containing scraps is conveyed to an air inlet pipe again after being filtered, and continuous cleaning of the scraps and cyclic utilization of the airflow are achieved.

The utility model belongs to the technical field of livestock breeding equipment, particularly relates to a livestock breeding feed crushing device, and aims to solve the problems that straw needs to be manually guided into a feeding port of a crushing machine in an existing device, uniform conveying of the straw is difficult to guarantee through manual feeding, the load of the crushing machine in the working process is unstable, the crushing effect is affected, and the crushing efficiency is affected. According to the scheme, the straw smashing device comprises a smashing machine, and a feeding frame is installed at a feeding opening of the smashing machine; the feeding device has the advantages that through cooperation of the concave-convex structure of the feeding plate and the feeding bevel teeth, the grabbing force on straw is enhanced, the feeding efficiency is improved, material loss is reduced, accurate transmission of the gear and the inner gear ring is achieved, stable and automatic feeding is achieved, the labor cost is reduced, and the product quality is guaranteed; the dust concentration of a workplace is greatly reduced, and a healthy and clean working environment is created.

This utility model provides a sorting and unloading device for a laser cutting machine with correction function, comprising a main frame, a transfer and diversion unit, a boxing correction unit, a storage box unit, a box supply unit, and a control unit. The transfer and diversion unit consists of a picking mechanism and a screening mechanism, while the boxing correction unit includes a position adjustment mechanism and a correction mechanism. The box supply unit encompasses a box loading mechanism, a transfer mechanism, and a storage mechanism. This device optimizes the intelligent sorting process by integrating the screening mechanism with the transfer and diversion unit to achieve automatic classification of unloaded parts, eliminating the traditional manual sorting step. Its vertical layered design significantly saves horizontal space. It is adaptable to the unloading areas of various types of cutting machines, and its modular structure allows for quick and convenient adjustment, while also providing workpiece position correction functionality. The entire process is automated, greatly reducing manpower requirements; operation only requires monitoring. The dust collection system significantly reduces dust concentration in the working environment, improving automation and effectively reducing labor intensity.

This utility model relates to the field of powder material packaging technology, and discloses an intelligent pre-made thickener dust-free packaging device, including a material conveying system, a metering and packaging system, a sealing and conveying system, and a control system. The material conveying system consists of a buffer silo, a vacuum feeder, a receiver, an air source pump, and a Roots pump. The receiver is connected to an external finished product silo, and the vacuum feeder conveys the powder material to the buffer silo in a sealed manner. The metering and packaging system includes a lifting bottom-fill packaging machine, a weighing module, and a bag clamping device. The bag clamping device fixes the packaging bag and seals it with the outlet of the lifting bottom-fill packaging machine. The weighing module is located below the packaging bag and measures in real time. The sealing and conveying system consists of an automatic seam heat sealer and a conveyor, with the conveyor sequentially connecting the metering and packaging system and the automatic seam heat sealer. In this utility model, the entire process is sealed, resulting in a low dust emission rate and a low dust concentration in the workshop, meeting environmental protection requirements.

The utility model relates to the technical field of aluminum plate processing, and discloses an aluminum plate processing and cutting device which comprises a base, a mounting groove is formed in the base, a first motor is fixedly connected to the bottom of the base, a gear is fixedly connected to the output end of the first motor, two sliding grooves are formed in the mounting groove, and the gear is fixedly connected to the output end of the first motor. A rack is slidably connected to the interior of the sliding groove, the gear is connected with the rack in a meshed mode, a mounting plate is fixedly connected to the top of the rack, a two-way screw is rotatably connected to the interior of the mounting plate, two threaded blocks are connected to the exterior of the two-way screw in a threaded mode, and a clamping plate is fixedly connected to the other side of each threaded block. According to the aluminum plate cutting device, the stable position and shape of an aluminum plate are kept in the machining process, it is ensured that the size and shape of a cut part meet the design requirements, the aluminum plate can be cut to the maximum extent, waste is reduced, and the material utilization rate is increased.

The utility model relates to a flying dust treatment device for a photovoltaic power station construction site, which belongs to the technical field of flying dust treatment and comprises a movable base, an adjusting dust collection treatment mechanism is arranged on the movable base, and the adjusting dust collection treatment mechanism comprises an adjusting seat fixedly mounted at the top of the movable base. According to the raised dust treatment device for the construction site of the photovoltaic power station, through the arranged adjusting dust collection treatment mechanism, under the mutual cooperation of all structures on the movable base, the position of the treatment device can be adjusted according to use requirements, and the position of a dust collection cover can be adjusted according to the height of raised dust on the site; the flying dust can be sucked in multiple directions to be treated, dust falling treatment is conducted on the flying dust under the action of the spraying pipe, efficient treatment of the flying dust on the construction site is achieved, the device is simple in structure and convenient to operate, the flying dust concentration on the construction site can be reduced, the environment and the health of workers can be protected, and the working efficiency is improved. And the construction quality and efficiency of the photovoltaic power station can be improved.