757results about How to "Easy to scrape" patented technology

The invention discloses a cleaning device for adhesions on the inner wall of a pipeline. The cleaning device comprises a small-sized servo motor, a shift ring, at least two long handles and short handles, wherein an extending shaft of the small-sized servo motor is provided with threads; the shift ring is provided with balls; the balls slide in a threaded groove of the extending shaft of the small-sized servo motor; one end of each long handle is connected onto the shift ring, and the other end of each long handle extends; a scraper is arranged at the extending end; a polyester fabric covers the outer sides of the long handles; the number of the short handles is identical with that of the long handles; the short handles are used for supporting the corresponding long handles; and an illuminating lamp, a camera, a control device and a push-pull tube are arranged on the small-sized servo motor. According to the cleaning device disclosed by the invention, the device is mounted into the pipeline by the push-pull tube; the adhesions are found by pushing and pulling the push-pull tube; the small-sized servo motor is started, the long handles drive the polyester fabric to be opened, and the adhesions on the inner wall of the pipeline are scratched by outer ends of the long handles; and the scratched adhesions are collected in the hopper-like polyester fabric, and the push-pull tube is drawn to withdraw from the pipeline. According to the cleaning device disclosed by the invention, the adhesions on the inner wall of the pipeline are removed by adopting a physical method, so greenness and environmental protection are realized; and working efficiency and economic benefits of pipeline maintenance departments or enterprises are improved.

The invention relates to a treatment method for nanofiltration concentrated liquor of landfill leachate, which comprises the following steps: carrying out medium-pressure nanofiltration treatment first for minimization, carrying out coagulation air floatation treatment for the concentrated liquor after the medium-pressure nanofiltration treatment to recycle humous larger molecular organics for resource utilization, carrying out resin-based softening treatment to reduce the hardness of the concentrated liquor after the coagulation air floatation treatment, performing electrolytic oxidation treatment on the concentrated liquor after the resin-based softening treatment and treating back washing water, feeding the clear liquid from the medium-pressure nanofiltration, yielding water from the regenerated waste liquor and yielding water after the electrolytic oxidation to membrane bioreaction treatment, performing tail gas absorption treatment on gases generated from the electrolytic oxidation, and absorbing chlorine gas in tail gases before up-to-standard emission. The treatment method for nanofiltration concentrated liquor of landfill leachate is reasonable in treatment process with a good treatment effect, and relatively low in investment and operation costs; the problem of accumulation of humic acids and hardness ions in the biochemical system is avoided, and the difficulty in treating the nanofiltration concentrated liquor of the landfill leachate is solved; and the treatment method is applicable to treating the nanofiltration concentrated liquor generated in the 'MBR+nanofiltration' treatment process for the landfill leachate.

The invention discloses an intelligent dust collector and a dust box assembly thereof. The dust box assembly of the intelligent dust collector comprises a dust box, a filter device, a dust scraper and a driving device. An accommodating cavity is formed in the dust box, a dust collecting opening which is communicated with the accommodating cavity is formed in the front wall of the dust box, and an exhaust port which is communicated with the accommodating cavity is arranged on the rear wall of the dust box; the filter device is arranged in the accommodating cavity, and the exhaust port can be closed by the filter device; the dust scraper is movably arranged at the front of the filter device along the left-right direction and is parallel to the front surface of the filter device, dust scraping ribs which are used for removing dust are arranged on the surface, which faces the filter device, of the dust scraper, and the side edges of the dust scraping ribs cling onto the surface of the filter device; the driving device is connected with the dust scraper and is used for driving the dust scraper to reciprocate. The intelligent dust collector and the dust box assembly in an embodiment of the invention have the advantages that the dust on the front surface of the filter device can be conveniently scraped, accordingly, the permeability of the filter device can be kept for a long time, and air flow channels of the dust box can keep smooth.

The invention provides a cup cleaning device, and belongs to the technical field of cleaning equipment. The cup cleaning device solves the problems of low cleaning efficiency and poor cleaning quality of an existing cup. The cup cleaning device comprises a rack, and a turnover frame is rotatably connected with the rack; the turnover frame is provided with a positioning seat, and a plurality of clamping plates are connected to the positioning seat; a cleaning tank is fixedly connected below the turnover frame, and a plurality of external cleaning pieces are connected in the cleaning tank; a lower jacking rod is slidably connected below each external cleaning piece on the rack, and an upper jacking rod is slidably connected above each external cleaning piece on the rack; and an inner cleaning piece is connected with the lower end of each upper jacking rod, and the rack is provided with an upper air cylinder and a lower air cylinder. The cup cleaning device can efficiently clean a cup, and convenience and labor saving are achieved.

The invention relates to a gypsum heat preservation painting mortar construction process which comprises the steps that firstly, a base-layer wall is processed; secondly, according to the smoothness and perpendicularity of the surface of the base-layer wall, one wall is used as the datum, and a perpendicular square-setting elastic control line is hoisted; thirdly, gypsum bases are painted with mortar and used as angle beads; fourthly, the gypsum bases are painted with mortar and used as ash cakes and punching ribs; fifthly, gypsum heat preservation painting mortar is sprayed; sixthly, the gypsum heat preservation painting mortar is flattened and compacted, wherein the step of hanging nets on the junctions of different materials is further included between the second step and the third step; in the fourth step, after the ash cakes are manufactured and hardened, distribution cakes are manufactured and arranged through flax threads by controlling the ash cakes, so that the horizontal spacing between all the distribution cakes is not larger than 1500 mm; the steps of rib grinding and rib alignment are further included between the fourth step and the fifth step. Compared with the prior art, the gypsum heat preservation painting mortar construction process has the advantages that construction is convenient, plastering, scraping and repair are easy, the labor intensity is low, material consumption is lowered, the construction period is shortened, and construction cost is saved.

The invention relates to a manufacturing method for a toothbrush and the toothbrush manufactured with the method. According to the manufacturing method, a brush holder is formed first through injection molding, a brush head is formed at one end of the brush holder and is provided with multiple brush bristle holes formed integrally, a brush bristle part is implanted in the brush head, the brush bristles of the brush bristle part protrude from a second side face of the brush head, the brush bristles and corresponding thin fragments are fixed to the brush head through hot melting shaping, and finally, an encapsulating part is formed on the brush holder and the second side face of the brush head through injection molding. The toothbrush made with the method, the whole toothbrush is completely made of plastic, the toothbrush can be directly recycled when abandoned, the number of recovery processing steps is reduced and resources are saved.

The invention discloses an X70MS ERW welded pipe having excellent anti SSCC stress corrosion and a manufacturing method thereof. The manufacturing method comprises the steps of uncoiling and butt welding, edge planning, molding, high-frequency welding, heat treatment, sizing and flying shear, pipe cutting, straightening and other procedures. The high-frequency welding frequency is 400+/-30 KHZ, the welding speed is 20+/-5 m/min, the normalizing temperature of the heat treatment is 920-980 DEG C, and the cooling rate after the heat treatment is 3-15 DEG C/s. The X70MS ERW welded pipe and the manufacturing method have the beneficial effects that the reasonable molding technology is adopted to ensure board edge end faces achieve parallel H-shaped abutting joint, so as to reduce residual stress in the molding process; with adopting of a smaller squeeze amount and an opening angle, a welding power parameter is reduced, so that burrs are formed uniformly on the outer surface and the inner surface during the steel pipe welding process, so as to be beneficial for scraping and interrupting the burrs and guarantee the continuity of online production.

The invention provides a self-cleaning stirring mechanism of a stirrer for medicine preparation, belongs to the field of stirring devices for medicine preparation, and solves the problem that existingstirring mechanisms are troublesome to clean. The self-cleaning stirring mechanism of the stirrer for medicine preparation comprises a stirring barrel and a stirring shaft, a stirring blade is arranged on the stirring shaft, one side of the stirring blade is hinged to the stirring shaft, the rotating axis of the hinging part is parallel to the axis of the stirring shaft, a two-way tension springis arranged between the stirring blade and the hinging part, a scraping plate is detachably fixed on the inner wall of the stirring barrel and arranged in the radial direction of the stirring barrel,the scraping plate has a strip-shaped scraping blade facing the stirring shaft, the length direction of the scraping blade is parallel to the axis of the stirring shaft, and the stirring shaft can berotated clockwise or anticlockwise, so that the scraping blade scrapes dirt on one side or the other side of the stirring blade. When the stirring blade touches the scraping plate, the stirring bladecan rotate around the hinging part, the scraping blade can scrape the dirt on one side or the other side of the stirring blade, and therefore, articles adhering to the stirring blade are convenientlyscraped.

The invention provides a drifting and scraping integrated tool. The drifting and scraping integrated tool comprises a scraping section and a drifting connector, wherein a sealing assembly is arranged in the inner cavity of the drifting connector; the scraping section comprises a cutter barrel, a scraping cutter, a hydraulic cylinder and a supporting reed; the cutter barrel is connected with the drifting connector; the inner cavity of the cutter barrel is communicated with the inner cavity of the drifting connector, and a pressure-keeping chamber is formed by the sealing assembly; the scraping cutter is arranged on the outer side wall of the cutter barrel; one end of the scraping cutter is a fixed end connected with the outer side wall of the cutter barrel, and the other end of the scraping cutter is a free end; the hydraulic cylinder is arranged on the outer side wall of the cutter barrel and is communicated with the pressure-keeping chamber; the supporting reed is arranged on the outer side wall of the cutter barrel and is located between the scraper cutter and the hydraulic cylinder; one end of the supporting reed is connected with the hydraulic cylinder; the pressure of the pressure-keeping chamber is controlled, so that the hydraulic cylinder drives the supporting reed to be inserted between the scraper cutter and the cutter barrel by the free end; the supporting reed is used for expanding the scraper cutter to form a scraping outer diameter. The drifting and scraping integrated tool has drifting and scraping functions and can be used for strongly scraping an important scraping part.

The invention discloses a raw material mixing device for 3D printing consumable processing. The raw material mixing device comprises a mixing barrel, a barrel cover is arranged at the top of the mixing barrel; a stirring rod is welded on the outer side of a stainless steel pipe; air outlet holes are formed in the outer parts of the stirring rod and the stainless steel pipe; a rotary joint is mounted at the upper end of the stainless steel pipe; one side of the rotary joint is communicated with an air pipe, the end of the air pipe is communicated with an air booster pump, the outer portion of the stainless steel pipe is in key connection with a first belt wheel, the first belt wheel is in transmission connection with a second belt wheel through a triangular belt, and the second belt wheel is in key connection with an output shaft of a first motor; the first motor is used for driveing the stainless steel pipe to rotate, meanwhile, high-pressure gas is introduced into the stainless steelpipe and the stirring rod through the air booster pump, when the stainless steel pipe and the stirring rod are used for stirring, the high-pressure gas can roll over materials, and the mixing efficiency of the materials is improved.

The invention discloses a mechanical yarn waxing device used for a spinning machine and beneficial to rapid production. The mechanical yarn waxing device used for the spinning machine and beneficial to rapid production comprises a main body, a textile yarn and a driving disc. A storage bin is fixedly welded to the right side of the main body. A supporting device is connected to the tail end of a winding shaft. A connecting rod is arranged on the front side of a driven disc. A shifting rod is mounted on the outer side of the driving disc. A wax box is arranged on the left side of a scraping device. A mounting groove is formed in the wax box. A fixing base is mounted at the top end of a spring. A fixing hole is formed in the outer side of the top of a wax rod. According to the mechanical yarn waxing device used for the spinning machine and beneficial to rapid production, yarns can be protected and can be kept in order; the yarns can be sufficiently soaked in liquid wax, so that the waxing uniformity is ensured; and the liquid wax can be kept sufficient all the time in use and can be kept in the liquid state, so that rapid waxing is facilitated, and the production efficiency is improved.

The invention discloses a stable and adjustable drawing board for art design. The stable and adjustable drawing board comprises a platen and a drawing board body, wherein a pigment groove, a pen groove and a tool groove are formed in the front side of the top of the platen, the rectangular drawing board body is hinged to the rear side of the top of the platen through a hinge, an elastic clamp is installed at the upper end of the drawing board body, a sliding rail mechanism is installed on the left side of the drawing board body, a scale plate is installed on a sliding block of the sliding railmechanism, a telescopic rod is arranged on the rear side of the drawing board body, a conical support is arranged at the bottom of the platen, the upper end of a supporting rod is fixed to the middleof the bottom of the conical support and is in sleeved connection with a sleeve, and multiple supporting legs are circumferentially arranged on the outer side of the sleeve. The stable and adjustabledrawing board is stable in supporting and convenient to adjust in height and drawing board inclination angle, facilitates placement of pigments, pens and tools, facilitates scraping of excessive pigments on the pens, can achieve size comparison through the scale plte and is convenient to use and operate.

The invention relates to the technical field of building equipment, and discloses a sand screening device for building equipment. The sand screening device comprises a bottom plate, wherein hydrauliclifting rods which are symmetrical with each other are uniformly distributed on the bottom of the bottom plate; the bottoms of the hydraulic lifting rods are fixedly equipped with circular table supporting discs; a gasket between the hydraulic lifting rods is uniformly distributed on the bottom of the bottom plate; universal wheels are fixedly mounted on the bottom of the gasket; four supporting plates which are symmetrical with each other fixedly sleeve the top of the bottom plate; the tops of the four supporting plates are fixedly connected through the bottom of a rack plate; and the back surfaces of the two supporting plates are fixedly connected with the front surfaces of the two supporting plates through the two sides of a fixed plate. According to the sand screening device for building equipment disclosed by the invention, a drive motor, a rotary rod and an extrusion wheel are matched for use, so that sand poured to the top of a sieve tray is conveniently vibrated to vibrate anddrop sand, and the problem that sand screening efficiency is affected as the sand is blocked on a screen and cannot drop is avoided.

The invention belongs to the technical field of medical instruments, and particularly relates to a device for flushing the anorectum. A push rod can be rotated to control a limiting block and then control a vertical rod to rotate, the vertical rod rotates to control an arc-shaped piece to shield a liquid outlet to different degrees to form different spraying conditions, the size of the liquid outlet is convenient to adjust, different spraying effects can be achieved without replacing nozzles, the structure is novel and effective, the operation is easy and convenient, meanwhile, a rubber rod can be controlled to stretch out and shrink through an inflating airbag and a pressure relief valve, dirt in the anorectum can be scraped away when the rubber rod stretches out, flow of flushing liquidcannot be affected, and in the plugging and unplugging process, the discomfort of a patient is reduced when the rubber rod shrinks.

The invention discloses an environment-friendly sewage treatment device, which belong to the technical field of sewage treatment, the problems that when sewage treatment is carried out, impurity filtration cannot be carried out step-by-step , clogging is easily generated, a grating plate is not easy to replace and impurities are not easy to clean are solved. Technical key points are that: the device is characterized by comprising a sewage treatment tank and a filter grating plate, the upper side of one end of the sewage treatment tank is connected with a water inlet pipe; a water outlet pipe is connected below one end of the sewage treatment tank; a filtering grating plate is mounted in the sewage treatment box; the filter grating plates are provided with filter holes, the filter grating plates divide the interior of the sewage treatment box into a plurality of filter cavities, the filter cavities are internally provided with sludge discharge assemblies, and by arranging the drawing type filter grating plates, sewage can be conveniently filtered step by step, the filter grating plates can be conveniently assembled and replaced, and the operation is convenient and fast; impurities and sludge can be conveniently pumped out through a blow-off pipe, impurities attached to the surface of the filtering grating plate can be conveniently scraped away, and filtering holes are preventedfrom being blocked.

The invention discloses multi-function mineral resource comprehensive utilization equipment. The multi-function mineral resource comprehensive utilization equipment comprises a first stage bracket, ahorizontal column, a second stage bracket, a strong magnetic separation iron elevator, a sliding tube, an adjusting bolt, a first stage switch, a second stage switch, a third stage switch, an ore-transmitting conveyor, an ore-transmitting hopper, a impunity-removing filter hopper structure, a scraper structure, a sliding block, a sliding groove, a bottom block, a fastening bolt, a ore hauling conveyor and a sampling rod structure. The first stage bracket is longitudinally installed on the lower left portion of the horizontal column in a bolted mode. The second stage bracket is longitudinally installed on the lower right portion of the horizontal column in a bolted mode. The arrangement of a connecting rope with a hook, a winding wheel, a winding motor, a cable and a strong magnetic separation iron plate is conducive to adjusting the height of the strong magnetic separation iron plate according to the magnetic separation demand, so as to facilitate the smooth magnetic separation work; the strong magnetic separation iron plate is made of a round stainless steel plate; and a strong magnetic sheet adopts circular permanent magnet sheet and is conducive to the rapid absorption of iron impurities in the mineral resources, so as to guarantee the purity of the mineral resources.

The invention discloses a pipe wall rust removal device applied to water conservancy project conveying pipeline repair. The device comprises an inner treater, an outer treater, a threaded rod, a grinding seat, a first magnet and a second magnet, wherein the outer side of the inner treater is provided with the outer treater, and the first magnet is embedded into the outer wall of the inner treater;the second magnet is embedded into the inner wall of the outer treater, a liquid storage bin is arranged on the outer side of the outer treater, a spray head is arranged on the outer side of the right end of the outer treater, a liquid suction barrel is arranged in the outer treater, liquid conveying pipes are connected between the liquid suction barrel and the liquid storage bin and between theliquid suction barrel and the spray head, and a piston is arranged on the inner side of the liquid suction barrel; and a push rod is fixed to the left side of the piston through a bolt. The pipe wallrust removal device applied to water conservancy project conveying pipeline repair adopts an internal and external split structure, can synchronously carry out rust removal and repair on the inner wall and the outer wall of a pipeline, and is convenient to operate, high in rust removal efficiency and good in effect.

The invention discloses a speed-adjustable self-cleaning conveyor. The speed-adjustable self-cleaning conveyor comprises a rack, an adjusting device and a sweeper, wherein the rack is provided with a driving device, a transmission drum, a turnabout drum, a supporting roller group and a conveying rubber belt; the adjusting device is arranged under the rack and is used for downwards supporting the conveying rubber belt and enabling the conveying rubber belt to be in a triangular shape, the conveying rubber belt comprises an upper part which is positioned on the top surface of the rack and is used for conveying materials and a lower part which is positioned under the rack, and the adjusting device is used for adjusting the tensioning degree of the conveying rubber belt through the up-and-down moving of the adjusting device; the sweeper is arranged under the lower part of the conveying rubber belt and is close to a material outlet of the conveyor, and the sweeper is provided with a sweeping surface which is parallel to the bottom surface of the lower part of the conveying rubber belt; the driving device is connected with a frequency converter. According to the speed-adjustable self-cleaning conveyor disclosed by the invention, the adjusting device in the technical scheme is used for adjusting the tensioning degree of the conveying rubber belt and is also used for enabling the conveying rubber belt and the horizontal surface to be in an included angle, thus objects adhered to the conveying rubber belt can be well scraped by the sweeper, double functions can be obtained, the components of the whole conveyor are reduced, and the production cost is reduced.

The invention relates to a chemical agent for removing excessively sprayed oil paint waste water and a preparation method of the chemical agent, a novel efficient paint mist flocculant is characterized by comprising an adhesive-eliminating agent A and a flocculant B in volume ratio of 0.5: (0.5-1), the adhesive-eliminating agent A is polysilicic acid modified tripolycyanamide prepared from tripolycyanamide, alkali metal silicate, aldehydes and an auxiliary C, the flocculant B is a polymer formed by non-ionic monomers through polymerization. The paint mist flocculant prepared by the method is low in free formaldehyde content, low in cost and high in paint mist removing rate.

The invention relates to an efficient zinc alloy block production method which comprises the following steps: 1) smelting a zinc alloy solution through a smelting furnace; 2) scooping up the zinc alloy solution from the smelting furnace, and casting the zinc alloy solution into a forming die arranged on a circulation conveying system; 3) scraping an oxide layer on the surface of the zinc alloy solution in the forming die; 4) carrying out forced cooling on the zinc alloy solution in the forming die to enable the zinc alloy solution to be solidified to form a zinc alloy block; and 5) sending out the formed zinc alloy block through a conveying mechanism. The efficient zinc alloy block production method is convenient to produce the zinc alloy block.

The invention provides a casting die based on 3D printing. The casting die based on 3D printing comprises a component I and a component II obtained through 3D printing. A cavity of the component I and a cavity of the component II are each filled with a resin fiber layer, a fiber layer and a foaming layer from outside to inside in sequence. A preparation method of the casting die comprises the steps of (1) modeling: segmenting a model into a plurality of components connected through dovetail grooves; (2) using a 3D printer to conduct printing to obtain a plurality of components of a hollow structure; (3) machining a filling port in the plane of each component; (4) filling up a cavity of each component with a mixture of slow dry resin and reinforce fiber; (5) adding glass fiber into the cavity of each component; (6) injecting a foam material into the cavity of each component; (7) connecting the components through the dovetail grooves; and (8) filling up gaps of the dovetail grooves with A/B glue, conducting coating of epoxy resin and then conducting grinding and polishing. The casting die based on 3D printing and the preparation method thereof have the advantages that the precision is high, the preparation cycle is short, the weight is low, the die strength is high, and the production cost is low.