74results about How to "Protection against splashing" patented technology

The invention discloses a water tube type vacuum boiler with central reverse flames. The vacuum boiler mainly comprises a combustor, a casing, a flue gas transfer chamber, a container, a water tube type heat exchanger and a U-shaped tube heat exchanger. The vacuum boiler is characterized in that the boiler casing is formed by butt-jointing an upper arc-shaped barrel and a lower cuboid casing, the U-shaped tube heat exchanger is located at the upper part of the casing, and the container, the flue gas transfer chamber and the water tube type heat exchanger are located at the lower part of the casing; the container is waved, the front end of the container is welded on the flue gas transfer chamber, and the back end is welded on an ellipsoidal gland; a central reverse flame combustion manner is adopted; a plurality of vertical heat exchange tubes are arranged in the water tube type heat exchanger, flue gas inlets of the heat exchange tubes are welded on the flue gas transfer chamber, and flue gas outlets are connected with an exhaust tube. The boiler keeps a certain vacuum degree inside during running, boiler water boils at the temperature lower than 100 DEG C after being heated, steam rises and condenses outside the U-shaped tube heat exchanger to release heat to heat return water in the tube, and condensate water flows back into the boiler. The boiler is compact in structure and higher in heat efficiency and occupies small area, and no external heat exchanger is required.

The invention relates to a coke quenching spraying anti-coke-spattering device, which comprises a coke quenching tower, a coke quenching car, a sprayer, a positioner, a spattering prevention baffle, an image collector and a controller. According to the invention, a spattering prevention baffle is arranged in a coke quenching tower, and a controller controls a lifting mechanism to adjust the heightof the spattering prevention baffle, so that when the device is used for quenching coke in a coke quenching car, the situation that spraying equipment is damaged due to coke splashing is effectivelyprevented; and by arranging the controller, the water inlet amount and the water supplementing amount of the sprayer can be flexibly adjusted according to the actual temperature of coke, so that the situation of coke splashing caused by too large temperature difference in the tower is effectively prevented, and the coke quenching efficiency of the device is effectively improved.

The invention discloses a self-adaptive pavement deceleration strip, and relates to the technical field of deceleration strips. The self-adaptive pavement deceleration strip comprises a bottom plate,a casting is welded to the top of the bottom plate, drainage grooves distributed in a row shape at equal intervals are formed in the casting, front ends and rear ends of the drainage grooves penetratethrough the front side and the rear side of the casting correspondingly, a water accumulation preventing mechanism is arranged in the middle of each drainage groove, and a splashing preventing mechanism is arranged in each drainage groove; and the water accumulation preventing mechanism comprises a water collecting tank, a pin shaft, a sliding cylinder, a rotating piece, an air bag, a wire grooveand a stretching soft rib. According to the self-adaptive road surface deceleration strip, the water accumulation prevention mechanism is matched with the splash preventing mechanism, the height of accumulated water on the road surface serves as a signal for autonomous operation, flowing of road surface runoff in the direction towards a road surface drainage facility is effectively promoted, thedrainage effect is improved, and meanwhile the height of accumulated water around the deceleration strip can be controlled; and a road runoff flow velocity can also be hindered by reducing the accumulated water height.

The invention discloses a grinding device used for solid waste recovery. The grinding device used for solid waste recovery comprises a power box, a fixing frame, a case, a water tank, a bottom frame,a baffle, a water inlet, a spraying frame, nozzles, water pipes, spraying pipes, a roller, a rotary shaft, a conveying belt, a clamping plate, connecting pipes and a connecting hole. The grinding device used for solid waste recovery has the beneficial effects that the baffle of an arc-shaped structure is installed on the side wall of the bottom frame and used for sheltering waste splashed in the grinding process of the roller, and thus the situation that waste is splashed when ground is effectively prevented; the water tank is installed at the top of the bottom frame and connected with the spraying frame right facing the roller through the two connecting pipes so that sundries adhering to the roller can be washed away by water sprayed out from the nozzles after the roller is used, and manual cleaning by workers is not needed; and the spraying pipes are obliquely installed on the outer walls of the two sides of the bottom frame and connected with the spraying frame through the water pipes, and the spraying pipes right face the inner wall of the baffle so that waste adhering to the baffle can be washed away by the spraying pipes after the baffle is used.

The invention discloses an intelligent closestool cover based on data analysis of Internet of Things. The intelligent closestool cover comprises a cover body, a closetool ring and a connecting seat, wherein the cover body and the closetool ring are in hinged connection with the connecting seat, a joint bearing is arranged on the back side of the cover body and is provided with an ultraviolet disinfection lamp, an embedding groove is formed in the back side of the closetool ring, a weight sensor is arranged in the embedding groove, a rubber buffer pad is arranged on the weight sensor, the tailend of the rubber buffer pad is located outside the embedding groove, a case is arranged on the connecting seat, an Internet of Things remote-control mainframe is arranged in the case, an acrylic boxbody is arranged on the side face of the connecting seat, cellular activated carbon is arranged in the acrylic box body, an exhaust fan for drafting outside air into the acrylic box body is arranged on the acrylic box body, and the acrylic box body is hollow-out. The intelligent closestool cover based on data analysis of Internet of Things has remote control and disinfection functions.

The invention discloses a butterfly valve welding table. The butterfly valve welding table comprises a shell; a door sheet is movably connected in front of the top of the inner side of the shell through a hinge; support legs are fixedly connected to two sides of the bottom of the shell; vertical plates are fixedly connected to two sides of the top of the shell; the tops of the two vertical platesare connected with the bottom of a top plate; a fog cooler is fixedly connected to the top center of the top plate; and an output end of the fog cooler is in communication connection with a conveyingpipe. Through cooperative use of the shell, the vertical plates, the too plate, the fog cooler, the conveying pipe, a cylinder, a fixed shell, a connecting rod, a motor, a fan, an air sucking machine,a bent pipe, a filter plate, a vertical pipe, a water tank, a magnet, an inclined pipe, a thick pipe, a connecting shell, a water pump, a connecting pipe, a round plate, a vertical rod and a leakageplate, the butterfly valve welding table can preferably treat sparks generated in welding of butterfly valves, prevents the spark splashing condition, and prevents hidden troubles of fire.

The invention discloses a raw material rolling and slitting device for packaging box processing. The raw material rolling and slitting device comprises a bottom plate, a supporting column and a stabilizing support. The top of the bottom plate is fixedly connected with a supporting plate, the side of the supporting plate is fixedly provided with a first bearing, the inner wall of the first bearing is fixedly connected with a connecting rod, and the inner wall of the connecting rod is fixedly connected with a limiting spring. According to the raw material rolling and slitting device for packaging box processing, when a worker needs to adjust the distance between cutters, a mounting rod is aligned to a second clamping groove, the cutters are aligned to mounting grooves to be mounted on the outer wall of the connecting column, and then the other cutter is grabbed. Clamping blocks are installed in third clamping grooves to assemble the two cutters, and finally the two cutters are fixed through fixing bolts, so that adjustment of the distance between the cutters by the worker is made more convenient and faster, and the situation that the worker spends a large amount of time to adjust the distance between the cutters, and consequently the production efficiency is low is avoided. And the device can produce the raw materials of more specifications.

The invention discloses a new energy automobile hub casting device. The device comprises a base, a hub casting mold is arranged at the center of the top of an inner cavity of the base, supporting legsare fixedly connected to the two sides of the top of the base, a combustion furnace is fixedly connected to the inner sides of the supporting legs, a feeding hopper is arranged at the top of an innercavity of the combustion furnace in a communicating mode, and a discharging hopper is arranged at the bottom of the inner cavity of the combustion furnace in a communicating mode. According to the hub casting device, the base, the hub casting mold, the supporting legs, the combustion furnace, the feeding hopper, the discharging hopper, a hopper-shaped steel frame pipe, a sliding groove, a slidingblock, a fixing seat, a hydraulic telescopic rod, a supporting seat, an electric telescopic rod and a protective cover are matched, so that the safety of the hub casting device is improved, the problem of low safety of an existing hub casting device is solved,a casting material is prevented from splashing, a user can be protected, the damage caused by splashing of the casting material to the lifesafety of the user is avoided, and the device is worthy of popularization and application.

The novel cutting device comprises a first fixing frame, a cutting machine, a second fixing frame and a second lead screw, the first lead screw is arranged in the second fixing frame, a vertical frame is arranged on the second fixing frame, and the vertical frame is connected with the cutting machine through a rotating device. And the cutting machine comprises a motor and a saw blade, a protection device is arranged on the cutting machine, and a buffer device is arranged on the second lead screw in the first fixing frame. According to the novel cutting-off device for cutting off the pouring gate, the novel cutting-off device belongs to the technical field of die-casting dies, a cutting machine blade is used for cutting pouring gate castings in the vertical and horizontal directions, chippings generated during cutting of a cutting machine are shielded through a telescopic plate, and the situation that the chippings splash towards the side edge can be prevented; and chippings on a second lead screw can be cleaned through a cleaning piece and cleaning bristles at the lower end of a clamping block, and the function that the saw blade can move in a plane according to any track is achieved.

The invention relates to the technical field of wall paint treatment, and discloses a hand-held preliminary scraping device for peeling paint on the wall, which includes a cylinder body, the right end surface and the top of the cylinder body are fixedly connected with hand-held handles, and the inner top of the cylinder body is A mounting plate is fixedly connected with the bottom, the right side of the mounting plate is fixedly equipped with a battery, the left side of the mounting plate is fixedly connected with a drive motor through a fixing frame, and the output shaft of the drive motor is fixedly connected with a torque shaft through a coupling , the inner side of the cylinder is fixedly connected with the discharge pipe through the mounting frame, the torque shaft runs through the right end face of the discharge pipe at the end away from the drive motor and extends to the inner side of the discharge pipe, and the torque shaft runs through the discharge at the end far away from the drive motor right end of the tube and extends to the inside of the discharge tube. The hand-held preliminary scraping device for peeling paint on the wall prevents the scraping paint from splashing, conveys, removes and collects the scraped paint residue, and facilitates the preliminary treatment of the peeling paint on the wall.