24results about How to "Achieve dust reduction" patented technology

The invention discloses a building construction dust fall enclosure which comprises an enclosure water tank, connecting frames are fixedly mounted on the two sides of the enclosure water tank, atomization dust fall mechanisms are rotationally mounted between the two connecting frames and in the connecting frames, and a splicing mechanism is fixedly mounted at one ends of the two connecting frames; the wall water tank can be buckled on the outer surface of the splicing mechanism of another wall water tank through the splicing mechanism, so that splicing of the multiple wall water tanks is achieved, back plates are installed at one ends of the wall water tanks in a communicating mode, installation grooves are formed between the back plates in a sealed mode, and reciprocating push-pull mechanisms are fixedly installed in the installation grooves. The push-pull end of the reciprocating push-pull mechanism is rotationally connected to one end of the atomization dust falling mechanism. Through the design of the atomization dust falling mechanism and the reciprocating push-pull mechanism, dust falling dead angles caused by single-direction spraying can be effectively avoided through up-and-down and left-and-right swinging water mist spraying operation, and dust on a construction site is more thoroughly inhibited.

The utility model discloses a safety fence for building construction, which comprises a plurality of supporting mechanisms, baffles are arranged among the supporting mechanisms, a spraying mechanism is arranged on one side, close to the construction, among the supporting mechanisms, the spraying mechanism comprises a water pipe, two ends of the water pipe are fixedly connected with fixing seats, the fixing seats are fixedly mounted on the supporting mechanisms through bolts, and the fixing seats are fixedly connected with the supporting mechanisms through bolts. A plurality of nozzles are evenly arranged on the water pipe in an upward inclined mode, connectors are arranged at the two ends of the water pipe, every two adjacent connectors are connected through a hose, the connector close to a water source is connected with a conveying water pump through a conveying pipe, and the water pipe of the spraying mechanism is fixedly connected with a fixing base and fixed to the supporting mechanism. The adjacent spraying mechanisms connect the adjacent connectors of the adjacent water pipes together through the connecting hoses, the connected water pumps convey water in a water source into the water pipes, the water is sprayed from the nozzles formed in the water pipes, dust falling on a building construction site is achieved, and overflow of smoke generated during construction is reduced.

The invention is applicable to the technical field of road construction, and provides a digging and filling method for highway subgrade construction, which comprises the following steps: T1, carrying out construction operation according to a construction drawing, digging a pavement through a digging machine to form a groove, and piling dug soil on the ground on two sides of the groove; t2, the grooves are evenly filled with filling materials such as stone, coal cinder and gravel; t3, the road roller is controlled to slowly move along the foundation pit, a soil returning device at the front end of the road roller is used for backfilling soil on the two sides of the foundation pit, and a compaction steel wheel at the rear end of the road roller is used for compacting the backfilled groove; the soil returning device comprises a fixing assembly and a backfilling assembly arranged on the fixing assembly in a sliding mode. According to the method, the rotating shaft is controlled to rotate to drive the two sets of spiral conveying blades with opposite spiral directions to synchronously rotate, most of soil on the two sides of the groove is conveyed into the groove, the two sets of bulldozing plates are driven to push the residual coating into the groove through linkage of all the parts, and the backfilling efficiency is improved.

The screening and dust removing device for molecular sieve production comprises a dust removing box, mounting bases are mounted on the two sides in the dust removing box, screening assemblies are arranged on the mounting bases, a connecting cylinder is arranged on the outer side of the dust removing box, a feeding assembly is arranged in the connecting cylinder, a discharging opening is formed in the bottom of the connecting cylinder, and a discharging opening is formed in the bottom of the connecting cylinder. An air inlet and an air outlet are formed in the two outer sides of the dust removal box correspondingly, a dust falling box is connected to the air outlet, and a spraying dust removal assembly is arranged in the dust falling box. A motor is started to drive an auger to rotate, when the auger rotates, materials from an inclined plate to the bottom of a connecting cylinder are brought to the top of a screening plate, then dust in the materials is treated again, and the dust in the materials can be cleaned after multiple times of treatment.

The present invention relates to the technical field of dust suppression equipment, and has a protective device for road environmental protection construction, including a guardrail, and also includes a dust suppression mechanism arranged on the guardrail; the dust suppression mechanism includes an annular water tank, an annular pipe, a plurality of dust suppression components arranged equidistantly along the circumferential direction of the annular pipe, a chamber opened in the guardrail, and a driving component for driving the annular pipe to rotate; the annular water tank is located in the chamber, and the annular water tank is fixedly connected to the chamber; a through hole is opened on the chamber, the annular pipe is slidably connected to the annular water tank, a plurality of water inlet holes are opened on the annular pipe, and a plurality of water outlet holes are opened on the annular water tank, and the water inlet holes and the water outlet holes are connected; the dust suppression component includes an atomizing nozzle, a rubber tube, an extrusion block, and a power unit for driving the extrusion block to perform vertical reciprocating motion; the atomizing nozzle is connected to the annular pipe; the rubber tube is connected to the atomizing nozzle; and the rubber tube is located on the motion trajectory of the extrusion block. In order to solve the problem that the atomizing nozzle of the existing protective device has a small range of action and incomplete dust suppression.

The utility model discloses a soil loosening device for radix bupleuri planting, and relates to the technical field of radix bupleuri planting, the soil loosening device comprises a moving assembly, the top of the moving assembly is fixedly provided with a lifting mechanism, the surface of the lifting mechanism is movably provided with a soil loosening mechanism, and the surface of the soil loosening mechanism is fixedly provided with a water storage assembly; and dust falling mechanisms are fixedly mounted on the two sides of the water storage assembly. The servo motor is arranged to directly drive the threaded rod to be matched with the sliding rod to adjust the height of the soil loosening mechanism, the production structure is few, the cost is low, the direct-drive adjusting efficiency is high, the transmission time is short, and the height of the soil loosening mechanism can be effectively adjusted according to requirements so as to adjust the soil loosening depth; the two sets of dust falling devices are matched to carry out dust falling operation on the lower portion of the protection box in the soil loosening process, and therefore dust generated by soil loosening can be effectively prevented from flying to pollute the environment and block the sight of workers.

The construction waste recycling device with the water filtering function comprises a main body, a smashing mechanism is arranged at the upper end of the interior of the main body, a water filtering plate is arranged below the smashing mechanism, a push plate is arranged on the rear side of the upper portion of the water filtering plate, an electric telescopic rod is arranged behind the push plate, and the electric telescopic rod is connected with the smashing mechanism. An electric telescopic rod is arranged in the main body, the output end of the electric telescopic rod is connected with a push plate, the dust collection cavities are formed in the two sides of the interior of the main body, the dust collection cavities are connected with the upper end of the interior of the main body through air inlet pipes, dustproof nets are arranged in the dust collection cavities, and the threaded rod is rotationally arranged on the front side of the lower end of the interior of the main body. According to the construction waste recycling device with the water filtering function, the time for taking materials and replacing the collecting box is greatly shortened, the working efficiency is improved, meanwhile, the functions of dust falling and rapid water filtering are achieved, practicability is good, and daily use is convenient.

The utility model discloses a dust fall spraying device for constructional engineering, which comprises a base and a water tank, the water tank is fixedly mounted on the top surface of the movable base, a push rod and a water pump are fixedly mounted on the right side of the top surface of the movable base, and the water pump is fixedly mounted on the right side of the top surface of the water tank; one end of the water pumping pipe fixedly communicates with the water pump, and the other end of the water pumping pipe fixedly penetrates through the lower end of the right side wall of the water tank; the bottom end of the water conveying hose is fixedly communicated with the water pump; and the sprayer is fixedly communicated with the top end of the water delivery hose. According to the dust falling spraying device for building engineering, when dust falling spraying is conducted on a building engineering construction site, the spraying angle can be adjusted, so that the dust falling area is enlarged, the dust falling effect is improved, applicability is higher, it is guaranteed that dust falling is conducted on the building engineering construction site rapidly and effectively, operation is easy, convenient and flexible, and practicability is high.

The invention belongs to the technical field of concrete production, and discloses dust removal equipment for concrete production, which comprises a shell, a middle ring and a mounting frame. According to the raw material stirring device disclosed by the invention, the raw materials in the shell are scattered and attached to the wet screen plate along with stirring of the raw materials, the raw materials enter the range of the fan interface along with the mounting cylinder corresponding to the screen plate, and the suction force generated by the fan attracts the screen plate and lifts the screen plate upwards; at the moment, after the side edge of the screen plate enters the part where the vent groove is located, the fan does not attract the screen plate any more, and under the action of a reset spring, a sliding column collides with a limiting frame, so that wet particles and powder in the screen plate are vibrated to fall into the concrete in stirring; by means of the arrangement, the stirring device can capture scattered particles and powder generated in the stirring process, and dust falling of a production workshop is achieved.

The utility model relates to the field of particle cleaning dust removal, in particular to a full-automatic synchronous particle cleaning dust remover which comprises a box body, filtering air inlets are formed in the front side and the rear side of the box body, a water spraying mechanism is arranged on the left side of the box body, a maintenance door is arranged on the right side of the box body, and a filtering mechanism is arranged on the lower portion in the box body. The filtering mechanism comprises a particle filtering cavity and a dust filtering cavity, an air outlet cavity is formed in the upper portion of the interior of the box body, a fan mechanism is arranged in the air outlet cavity, filtering air inlets are formed in the box body to enter the particle filtering cavity and the dust filtering cavity, and compared with a traditional single filter element, the design can optimally treat different types of pollutants; meanwhile, clean water is converted into water mist through the water spraying mechanism, and the dust falling and cleaning effects are achieved.

The utility model provides a cutting machine dust falling mechanism which comprises a support, supporting legs are arranged at the four corners of the lower surface of the support, two guide sliding grooves which are symmetrically distributed front and back are formed in the upper surface of the support, a sliding seat is arranged between the two guide sliding grooves in a sliding mode, and a bottom frame is rotationally arranged on the upper side of the sliding seat through a rotating shaft. A sliding frame is slidably arranged at the upper end of the bottom frame, a dust collection seat is arranged on the right side of the sliding frame, an inner threaded sleeve is rotatably arranged in the middle of the upper surface of the bottom frame, an outer threaded rod is in threaded connection with the interior of the inner threaded sleeve, and the top end of the outer threaded rod is fixedly connected with the sliding frame through a bolt. And an adjusting module. According to the dust falling mechanism of the cutting machine, the horizontal position, the vertical height and the inclination angle of the dust collection base can be rapidly and stably adjusted, and the dust falling mechanism of the cutting machine can adapt to the cutting machine to carry out efficient dust falling on the cutting machine in the cutting process of the cutting disc.

The utility model discloses a dustproof closed concrete stirring device, and belongs to the field of concrete processing equipment. The problems that dust falling is difficult to achieve in the stirring process, and uniform feeding of materials is difficult to achieve are solved. A feeding pipe is fixedly mounted on one side of the tank body; a shell I and a shell II are fixedly mounted at the top of the tank body; a motor is fixedly mounted at the bottom of the tank body; a stirring rod is fixedly mounted at the output end of the motor and is positioned in the tank body; the dust falling assembly is located above the feeding pipe. The motor and the stirring rod are used in cooperation, the motor drives the stirring rod to rotate and drives the first rotating rod and the second rotating rod to rotate synchronously at the same time, then the moving rod is driven to move, spraying of materials is achieved through the second shell and the sleeve, meanwhile, the half gear is driven to rotate, and even feeding of the materials is achieved through the rack and the moving plate.

The invention discloses construction waste recycling equipment, and belongs to the technical field of construction waste recycling, the construction waste recycling equipment comprises a shell, a feeding door is arranged on the top surface of the shell, a dust falling assembly is fixedly mounted on one side of the shell, a conveying assembly is arranged on the inner wall of the bottom of the shell, and a guide plate is fixedly mounted on the inner wall of the shell; a double-rod crushing assembly is arranged on the inner wall of the shell, a clutch assembly is arranged on the double-rod crushing assembly, the conveying assembly comprises a driven roller shaft, and a driving roller shaft is rotationally installed on the inner wall of the bottom of the shell through a roller shaft frame; according to the construction waste crushing device, the double-rod crushing assembly and the conveying assembly are arranged, through the design, the construction waste is effectively crushed through the double-rod crushing mechanism, the construction waste can be successfully crushed at a time, the construction waste does not need to be returned to recycling and crushing treatment equipment for secondary crushing, the working efficiency is greatly improved, and the using effect is good.

The utility model discloses waste treatment equipment for building construction. The waste treatment equipment comprises a base and a crushing box, and the crushing box is fixedly mounted on the top surface of the base; the feeding hopper fixedly penetrates through the top surface of the crushing box; the discharging opening is formed in the lower end of the left side wall of the crushing box; the shell is mounted on the right side surface of the crushing box; the water tank is fixedly installed on the top face of the base, and the water tank is located on the right side of the shell; the crushing mechanism is arranged on the crushing box; and the transmission mechanism is connected with the crushing mechanism. According to the waste treatment equipment for building construction, it can be conveniently guaranteed that waste generated during building construction is effectively smashed, meanwhile, dust can be effectively removed, the situation that the physical health of building construction personnel is affected by suspended dust in air is avoided, building construction work is easily carried out, operation is easy, convenient and flexible, and practicability is high.

This invention relates to the field of thin stone processing technology and discloses a high-efficiency cutting device for thin stone processing, including a processing frame. A cutting mechanism is provided on the top of the processing frame, and a fixing mechanism is provided on the top of the cutting mechanism. A recycling frame is fixedly connected to the top inner side of the processing frame, and a drainage frame is fixedly connected to the right side of the recycling frame. A cooling mechanism is provided inside the recycling frame. The cutting mechanism includes a cutting component and a water spraying component. The cutting component is located on the top of the processing frame, and the water spraying component is located on top of the cutting component. In use, when it is necessary to cut thin stone, the part to be cut is first placed on the top of the placement frame. The placement frame is located at the bottom of the cutting disc and does not overlap with the position of the cutting disc. Multiple sets of cutting discs are symmetrically distributed around the rotating shaft, which can realize multi-pass synchronous cutting of stone, greatly reducing the number of cuttings and improving processing efficiency.

The utility model relates to the technical field of crushers, and discloses a dust raising prevention crusher which comprises a crushing box, a first motor is fixedly installed on the side wall of the crushing box, two crushing rollers are rotationally connected into the crushing box, and the two crushing rollers rotate relative to each other. The output end of the first motor is in transmission connection with one smashing roller, a discharging hopper is fixedly installed at the bottom end of the smashing box, and a plurality of supporting columns are fixedly installed at the bottom end of the discharging hopper. The water delivery mechanism sprays out water flow through the mist spraying opening, the water flow is matched with rotation of the two rotating pipes, dust falling in the smashing box is achieved, excessive dust is prevented, the two rotating pipes rotate to spray water mist, all-directional dust falling in the smashing box is achieved, and dust falling is achieved instead of single-direction water mist spraying dust falling. And the protective cover is arranged, so that splashing broken stones can be prevented from being popped out of the crushing box in the crushing process, and the safety protection performance of the device is improved.

The utility model relates to the technical field of constructional engineering dust falling, in particular to a movable constructional engineering dust falling device convenient to adjust, which comprises a bottom plate, a water tank fixedly connected to the top surface of the bottom plate and universal wheels mounted on the bottom surface of the bottom plate, and one side of the water tank is connected with a water pump through a water outlet pipe. The output end of the water pump is connected with a hose through a water conveying pipe, the upper end of the hose is connected with a sprayer through a water spraying pipe, the upper end of the bottom plate is rotationally connected with a supporting rod, an electric telescopic rod is arranged at the upper end of the supporting rod and connected with the water spraying pipe, and a reciprocating movement mechanism for controlling the supporting rod to rotate is installed on one side of the supporting rod. According to the dust falling equipment, the water spraying height and angle can be conveniently adjusted, water is uniformly and effectively sprayed for dust falling, the dust falling effect and the working efficiency are improved, rapid construction engineering work is guaranteed, the construction engineering progress is guaranteed, operation is easy, convenient and flexible, and practicability is high.

The invention provides a tunnel positive pressure exhaust type rapid dust fall ventilation device, and belongs to the technical field of tunnel engineering. The tunnel positive pressure air exhaust type rapid dust falling ventilation device comprises a walking assembly, a dust falling assembly and an air pipeline. The sensing element is used for sensing the surrounding environment of the walking assembly; the atomizer is used for atomizing stored liquid, and a mist exhaust port of the atomizer is communicated with an atomizing flow guide pipe; a draught fan is in butt joint with the position between the rear end of the front air pipe and the front end of the rear air pipe. A traditional out-hole fan fixing device is converted into an in-hole movable device, and the purposes of dust falling and ventilation of a working face can be achieved more quickly; the sensing technology is applied to monitor the sanitary environment index in the tunnel in real time, and the fan is automatically sensed and controlled to operate to improve the working environment in the tunnel; rapid dust fall and ventilation of a working face can be achieved, the construction environment of the working face is monitored in real time, workers always work in a healthy environment, and the occurrence probability of occupational diseases is reduced.

The utility model discloses a refractory castable raw material crushing and dust collecting device which comprises a crushing box and a conveying box, a feeding nozzle is arranged on the top face of the crushing box, and the bottom of the crushing box is communicated with the conveying box. According to the dust collection device, the dust collection fan installed in the dust collection box is started, the air suction opening of the dust collection fan sucks air in the dust collection cavity through the filter cover, the dust collection cavity in the negative pressure state sucks dust at the position of the feeding nozzle through the dust collection pipe and the dust collection cover, and the dust in the feeding nozzle is discharged through the dust collection pipe when the dust collection fan is in the continuous working state. Dust in the crushing stage of the crushing box is collected, on the basis, water is pressurized and pumped into the spraying pipe, the water is promoted to enter the dispersing shell in a water mist mode through the multiple atomization nozzles on the spraying pipe, and then the water mist is evenly diffused to the surface of the conveying belt through the multiple round holes in the bottom face of the dispersing shell; compared with the prior art, dust collection at the feeding end of the castable and dust reduction at the discharging end of the castable are achieved.

The utility model relates to the field of laser cutting machines, in particular to a dust falling device for a laser cutting machine. A water storage tank is fixed to the upper surface of a water pipe, the surface of a guide rod is sleeved with a sliding block, a positioning rod is arranged on the surface of the sliding block, a connecting rod is inserted into the arc-shaped surface of the water pipe in a penetrating mode, a gear is fixed to the surface of the end of the connecting rod, a baffle is fixed to the arc-shaped surface of the connecting rod, and a tooth groove is formed in the side surface of an annular groove. When the baffle rotates to the horizontal position, the baffle does not block the pipe opening of the water pipe, meanwhile, the check block moves to the end of the positioning groove, the spring resets to push the sliding block to move, the check block moves to the notch of the positioning groove, the baffle cannot rotate, and at the moment, the water pump is started; the water pump can drive water in the water storage tank to be sprayed to the position of the laser cutting head in a water mist mode, and dust generated during cutting is prevented from flying.

The invention relates to the related technical field of thermal insulation material production, and discloses an intelligent dust falling device for thermal insulation material production, the intelligent dust falling device comprises a mist spraying device mounted above an equipment box body, the mist spraying device comprises an adjusting pipe, a rotating pipe and a central pipe, one end of the adjusting pipe is rotatably connected with the rotating pipe, and the rotating pipe is rotatably connected with the central pipe; one end of the rotating pipe is connected with the central pipe, a mist discharging cavity is formed in the central pipe, a water spraying barrel shell is installed in the mist discharging cavity, and a water inlet cavity, a water pump cavity, a water collecting cavity and an equipment cavity are sequentially formed in the water spraying barrel shell; according to the device, water firstly enters the flexible drainage pipe, then the rotating motor is started and drives the driving gear to rotate, the rotating action is conducted to the three driving gears, it is ensured that in the rotating process, at least one driving gear continuously makes contact with the flexible drainage pipe and applies extrusion, and a negative pressure environment in the pipe is created; and then water is sucked from the water collecting cavity, and the driving gear rotates continuously.

The invention discloses a multistage dust falling device and method for a workshop, and relates to the technical field of dust falling devices.The multistage dust falling device comprises the workshop, a plurality of first connecting strips are fixedly connected to the inner side of the workshop, a plurality of water pipes communicated with one another are installed in the workshop, and the water pipes are distributed on the inner side of the workshop; the plurality of first connecting strips are fixedly connected with the water pipe; through cooperation of parts such as the driving rod, air is enlarged from an internal circulation channel of the first through hole, so that the aperture size of the first through hole formed in the second circular plate can be flexibly adjusted according to the change of dust concentration, the suction force of the fan can be more effectively utilized by accurately controlling the aperture size of the air inlet, and the dust removal efficiency is improved. And the optimal dust falling effect can be achieved under different dust concentrations, so that the cleaning efficiency of the device is improved, the service life of the system is prolonged, the air volume and the suction force can be optimized, and the dust removal efficiency is improved.

The utility model discloses an environment-friendly building construction dust fall device which comprises plate bodies and butt joint assemblies arranged on the two sides of the plate bodies, and the butt joint assemblies are used for assembling a plurality of plate bodies and forming a fence wall body structure. The through groove is formed in the upper part of the plate body; the water pipe assembly is arranged on the upper portion of the plate body and transversely penetrates through the through groove, a communicating pipe arranged on the water pipe assembly extends towards the front of the plate body and is provided with a spray head, and the spray head is used for spraying water to a construction site to reduce dust. The dust blocking effect is achieved through the formed fence wall body structure, meanwhile, the dust falling process of a construction site is further achieved through the water pipe assembly arranged on the plate body, dust diffusion of the construction site is effectively prevented, and therefore the adverse effect caused by dust of the construction site is reduced.