31results about How to "Prevent flying phenomenon" patented technology

The invention relates to an inhibitor, and in particular relates to an inhibitor mixture for inhibiting coal granule flying and a preparation method of the inhibitor mixture. The coal granule flying inhibitor mixture comprises the following components in mass percent: 100% of water, 0.2%-0.8% of interfacial agent, 0.5%-3.0% of defoamer, 0.5%-3.0% of color-developing agent, 0.2%-15.0% of high molecular materials, and 0.1%-25.0% of wetting agent. According to the invention, the preparation method of the coal granule flying inhibitor mixture has the beneficial effects of being simple and easy to implement; and the coal granule flying inhibitor mixture has the beneficial effects of adopting the high molecular material which is at least one of synthetic cellulose material, hydrophilic synthetic high molecular material and natural high molecular material and is rationally blended with the interfacial agent, thus being capable of effectively absorbing superfine coal granules of 2.5-10 mu m (PM10), preventing flying of the superfine coal granules, and further, achieving the effect of making an operating environment comfortable and protecting the health of nearby residents and operators.

The invention discloses a recycling device for washing and removing chalk dust. The pulley matched with the slide rail, the pipe wiper can move up and down, a row of water spray holes arranged horizontally is arranged on the side of the pipe wiper facing the blackboard, one end of the pipe wiper is connected with the water pump through a pipeline, A hand rest cover is fixed, and a water collection tank is placed under the blackboard, which is connected to one side of the filter device through a pipeline under one side of the water collection tank, and the other side of the filter device is connected to a water pump through a pipeline. The invention has the advantages of simple structure and convenient use, and the powdered chalk is adsorbed in water by washing, which effectively prevents the phenomenon of flying powder and protects the health of teachers and students.

The invention discloses a water-washing dustproof chalk powder erasing device, which comprises a blackboard, a tubular eraser, a casing, a pulley and a slide rail, and is characterized in that slide rails are arranged on both sides of the blackboard, and a water collection tank is arranged at the bottom of the blackboard , there are pulleys matched with the slide rails on the slide rail, the pulleys are fixed on both sides of the case, inside the case there are fixed tube-shaped wipers, and the tube-type wipers are arranged in two rows horizontally towards the side of the blackboard One end of the tube type wiper is connected with the water pump pipeline. The invention is simple in structure and easy to use, effectively prevents the phenomenon of powder flying during the process of erasing chalk powder, reduces the harm to the human body caused by inhaling powder, and the chalk powder adheres to the water and stays in the water collection tank, reducing the need for cleaning chalk. end of trouble.

The invention discloses a dust collecting device for an electric tool, and belongs to the technical field of electric machines. The dust collecting device includes a dust collecting box, a dust collecting tube connected with the air inlet of the dust collecting box, and a first filter screen arranged at one end, far from the dust collecting tube, in the dust collecting box, the periphery of the first filter screen is abutted against the inner wall of the dust collecting box, and an air outlet is arranged at one end, correspondingly provided with the first filter screen, of the dust collecting box; the periphery of the tube orifice of one end, far from the dust collecting box, of the dust collecting tube, is connected with a dust shield, and a fan is arranged at one end, far from the first dust collecting tube, in the dust shield; an alarm is arranged outside the dust collecting box, a sensor and a chamber are arranged in the dust collecting box, the sensor is arranged at the upper portion of the dust collecting box and at one side, far from the air inlet, of the dust collecting box, and a controller connected with the alarm, the sensor and the fan is arranged in the chamber; and the dust collecting box is connected with an electric tool body. The dust collecting device can effectively prevent the dust flying phenomenon in the working process of the electric tool, and also can prevent the influences of excessive dusts in the dust collecting box on the dust collecting effect.

The invention discloses a carving device for wooden door production. The carving device comprises a supporting frame, a supporting plate and a carving mechanism, wherein the carving mechanism is positioned on the supporting frame; the supporting plate is fixedly connected to the top end of the supporting frame; a driving positioning device is fixedly connected to the supporting plate; a pluralityof openings are formed in the supporting plate; and an adsorption dust removal device is arranged at the bottom ends of the openings and fixedly connected to the bottom end of the supporting frame. According to the carving device for wooden door production, the driving positioning device is arranged on the supporting plate, and wooden doors are rapidly and accurately positioned by the driving positioning device when needing to be carved; and the driving positioning device is used for the wooden doors with different sizes, so that the application range is wide, and the carving quality of the wooden doors is effectively improved.

The invention discloses soundproof laminating cotton which comprises glass wool, wherein upper plastic films are coated on the top surface and two side faces of the glass wool along a length directionof the glass wool and extend to the bottom surface; a lower plastic film is coated on the bottom surface of the glass wool along the length direction of the glass wool; the lower plastic film coversand is connected onto the upper plastic films; two ends of the upper plastic films and the lower plastic film along the length direction are sealed by a fuse machine. According to the soundproof laminating cotton disclosed by the invention, the plastic films are coated on six surfaces of the glass wool and achieve a certain moisture-proof effect, lots of cotton fibers and flocking can be preventedfrom flying during use so as not to pollute the environment, and noise can be absorbed by utilizing pores in the plastic films.

The invention is applicable to the technical field of brushes, and provides a recovery device for perforating machining based on a bristle plate. The recovery device comprises a box body, the upper surface of the box body is fixedly connected to a workbench, the upper surface of the workbench is fixedly connected to a perforating mechanism, the upper surface of the workbench is fixedly connected to two fixed plates, an electric push rod is fixedly embedded in the left side face of each fixing plate, two sliding grooves are formed in the upper surface of the workbench, a sliding block matching with the corresponding sliding groove is connected into each sliding groove in a clamped mode, and L-shaped clamping plates are fixedly connected to the ends, close to each other, of the two electric push rods. According to the recovery device for perforating machining based on the bristle plate, by means of suction force provided by an exhaust fan, a dust hood matches with a dust collecting box, a connecting pipe and a T-shaped pipe to suck dust, the exhaust fan is used for discharging the dust into a storage box, the phenomenon that the the dust flies during work can be prevented, and serious pollution of the dust to air is avoided.

The invention discloses laminating equipment for sound-proof laminating cotton. The equipment comprises an input platform, a laminating device and an output platform; the laminating device is installed at an outlet end of the input platform, the laminating device comprises a laminating conveying platform and a guiding device, a film feeding and supplying frame is arranged on the upper portion of the laminating conveying platform, and a plastic film is guided to the film guiding device through the film feeding and supplying frame; by means of the film guiding device, three faces of the sound-proof cotton in the length direction are laminated, by means of cooperation of a film discharging and supplying frame and a glue spraying device, the other face of the sound-proof cotton in the length direction is laminated, the upper film and the lower film are bonded, holes are penetrated in the surfaces of the films, and finally hot melt sealing is conducted. Accordingly, the sound-proof cotton is wrapped by a layer of the plastic film, a certain moisture-proof effect is achieved, the phenomenon that a large amount of batt and cotton flock are generated and fly in use, and then the environment is polluted can be prevented, and by making the holes penetrated in the plastic film, the sound-proof cotton can absorb noise conveniently.

The invention discloses a dustproof wind turbine blade flash cutting device which comprises a U-shaped bracket, a cutting mechanism, clamping mechanisms and telescopic devices, wherein the cutting mechanism comprises a dust hood, a driving motor and a cutting disc; a detachable hood is arranged inside and movably inserted into the dust hood; inserting teeth are arranged inside the dust hood; inserting grooves are formed in the outer side of the detachable hood; the inserting teeth of the dust hood are inserted into the inserting grooves of the detachable hood; and the detachable hood is made of a polytetrafluoroethylene material. According to the dustproof wind turbine blade flash cutting device disclosed by the invention, the detachable hood can be directly detached from the interior of the dust hood for being replaced and cleaned, thereby achieving the convenience and the practicability.

The invention discloses a multi-circulation cooling device for chemical production and a use method of the multi-circulation cooling device. The multi-circulation cooling device for chemical production comprises a box body assembly, storing assemblies, a first cooling assembly, a second cooling assembly, an electric control cabinet and a programmable logic controller (PLC).By arranging the first cooling assembly and the second cooling assembly, the PLC controls a first refrigerator, an exhaust fan, a second refrigerator and a draught fan are powered on to operate, materials in a box body are cooled, and multi-circulation cooling of the materials is achieved through an air outlet box, an air inlet box and through grooves. Compared with a natural cooling mode for cooling treatment, the cooling effect of the cooling device is improved; by arranging the storing assemblies, the materials are placed on storing nets, different materials are placed on the different storing nets, the phenomenon of pollution among the materials is avoided, and the utilization rate of the storing assemblies is improved; and baffles play a role in slowing down cold air, the materials are prevented from being blown by the cold air, and the phenomenon that the materials fly is prevented.

The invention discloses a wood grinding and polishing device assisting in wood painting. The wood grinding and polishing device structurally comprises a grinding machine head, a connecting disc, a holding handle, heat dissipation holes, an external connecting wire, a speed adjustment device, a protective cover and a grinding disc. The grinding machine head is located at the left side of the connecting disc and fixedly connected with the connecting disc through screws. The connecting disc is fixedly buckled to the left side of the holding handle. The heat dissipation holes and the holding handle are of an integral mechanism component. The external connecting wire penetrates the right side of the holding handle and is connected to an electric system inside the holding handle. The grinding disc is horizontally fixed to the bottom of the grinding machine head and is in transmission connection with the grinding machine head. The protective cover is fixedly welded to the bottom of the grinding machine head, and the protective cover and the grinding disc are mounted on the same horizontal plane. After the device is improved, when the device is used for carrying out the grinding and polishing work, wood chippings and dust generated in the grinding process can be rapidly and effectively collected, and thus, the phenomena that the external wood chippings and dust fly everywhere and enterrespiratory tracts of workers to cause respiratory diseases are prevented.

The invention discloses diamond tapping equipment. The diamond tapping equipment is characterized by structurally comprising a dust suppression mechanism, a fixed base, a stand column, a handle, a fixed slide sleeve, a limiting handle, a tapping motor, a composite shaft coupler and a drill bit. The improved diamond tapping equipment disclosed by the invention can isolate dust, and is matched withwater injection for cooling and lubricating, so that injected water flows out along with dust; the dust suppression mechanism can block muddy water to prevent splashing, and further can prevent a phenomenon that dust flies around in work as well as the risk of harming eyes by gravel splashing; and meanwhile, the drill bit can be assisted to position, so that smoothness and straightness of holes are guaranteed.

The invention relates to a sealed feeding device which comprises a feeding assembly and a dust remover. The feeding assembly comprises a packaging bag and a feeding cover, the feeding cover comprises a base and a top plate, the base is provided with a feeding channel and an air outlet, the top plate is provided with a feeding port, the feeding channel of the base is opposite to the feeding port of the top plate, and the base and the top plate are connected through a telescopic part. The telescopic part can extend or retract in the axial direction of the telescopic part so that the distance between a feeding channel opening of the base and a top plate feeding opening is increased or decreased, a packaging bag can be fixed between a feeding channel of the base and the top plate feeding opening, the dust remover comprises a box body and a filtering assembly, an inlet and an outlet are formed in the box body, and the filtering assembly is arranged in the box body. The air outlet of the base is communicated with the inlet of the box body through a connecting pipeline. According to the invention, the phenomenon of material spilling or dust flying in the feeding process can be prevented, the pollution to the environment and the influence on human health are reduced, the structure is simple, operation is convenient, and the feeding efficiency is improved.

The invention discloses a powdery material conveying system for producing Chinese herbal medicine toothpaste. The powdery material conveying system for producing the Chinese herbal medicine toothpastecomprises a material mixing device, a gas-powder separation device, a grinding device and a material suction device; the material suction device comprises a telescopic suction head and a material suction pipe; one end of the material suction pipe is communicated with the telescopic suction head; the other end of the material suction pipe is communicated with one side of the gas-powder separationdevice; the bottom of the gas-powder separation device is communicated with the material mixing device; the top of the gas-powder separation device is communicated with an air blower; a granularity sensor is arranged on the material suction pipe; and the material suction pipe is communicated with a grinding device. According to the powdery material conveying system for producing the Chinese herbalmedicine toothpaste, the working cost can be saved, the working efficiency can be improved, the manufacturing cost can be saved, and full automation is achieved; and raw material conveying in a closed environment is adopted, therefore, cleanliness of raw materials is guaranteed, the dust flying phenomenon is prevented, and green production is achieved.