34results about How to "Efficient stripping" patented technology

The utility model provides a kind of glue peeling knife, including base, clamping block and combined peeling knife, one clamping block is fixedly installed on base, another clamping block is transversely movable and installed on base, combined peeling knife includes connecting seat, wire stripping knife, peeling knife and slide rail, connecting seat is longitudinally movable and installed on base. Its advantage lies in, through clamping block clamping wire one end, and wire is fixed through the clamping groove on wire stripping knife, then cylinder drives wire stripping knife and peeling knife longitudinal movement, insulating layer of wire is stripped using peeling knife, by this mode, wire insulating layer can be quickly and efficiently stripped, greatly improve work efficiency. At the same time, the device of the utility model, only one person can complete operation, also can greatly save labor cost.

The application discloses a kind of automatic cleaning device for shield machine cutter, it is related to tunneling equipment technical field, including including shield machine main body and cutter head body, the cutter head body is arranged on the surface of shield machine main body, the side annular array of shield machine main body is close to cutter head body and is provided with several water pipe grooves, the inside of water pipe groove is all fixedly connected with water outlet cavity, the inside of shield machine main body is located on the side of water outlet cavity away from cutter head body and is provided with annular water storage chamber, the annular water storage chamber is used to store water.The application can flush cutter and cutter head in real time when shield machine is normally tunneling, just remove in time when sundries is just attached, block mud cake formation and muck jam from source, continuously keep the surface of cutter clean, avoid cutter jam and eccentric wear problem from root.

This invention discloses an ultraporous glassy current collector with pre-solvation function and its preparation method, belonging to the field of electrochemical energy storage interface engineering technology. The current collector includes a metal substrate and a glassy interface layer formed on the surface of the metal substrate. The glassy interface layer is formed by in-situ transformation of a metal-organic coordination precursor on the metal substrate surface through melt heat treatment and rapid cooling. It has an amorphous structure, an ultraporous structure, and contains unsaturated coordination sites; preferably, the ultraporous structure has ink bottle-like pore size characteristics. The glassy interface layer can regulate the interfacial behavior of solvated alkali metal ions, improving the migration and deposition state of alkali metal ions. This current collector is suitable for electrodeless lithium metal batteries, electrodeless sodium metal batteries, and electrodeless potassium metal batteries, and can be used to improve the initial coulombic efficiency and cycle stability of the battery.

The application belongs to the technical field of etching liquid, and particularly relates to a photoresist stripping liquid for OLED, a preparation method and application thereof. The photoresist stripping liquid comprises, with the total mass of the formula being 100%, 1-10% of organic alcohol amine, 2-5% of amidino compound, 0.1-3% of polyol, 0.01-0.2% of betaine type corrosion inhibitor, and the rest is organic solvent. The photoresist stripping liquid for OLED has excellent stripping performance and good protection effect on the Al layer. The photoresist stripping liquid is particularly suitable for stripping requirements of OLED devices containing Al, can safely strip the photoresist which is cross-linked and carbonized after solidification, and at the same time protects the Al process in the OLED device from being corroded, and has good application prospect.

The utility model discloses a kind of cleaning device for kaolin centrifuge disc piece.The device of the utility model includes: first water tank bottom is equipped with inclined deflector;Variable-frequency high-pressure water pump is connected with branch pipe by main pipe, branch pipe is arranged in the inner wall of first water tank, nozzle is arranged on branch pipe, pulse solenoid valve is arranged on main pipe;Ultrasonic cleaning area includes second water tank and the ultrasonic wave generating device placed in second water tank;Moving track straddles high-pressure cleaning area and ultrasonic cleaning area, the both ends of moving track are respectively rotatably connected with the side wall of first water tank and second water tank, and first limiting structure is used to fixed moving track in horizontal and overturning state;Fixed frame is slidably connected with moving track, and fixed frame is limited and fixed by second limiting structure;A plurality of supports are arranged on fixed frame.The utility model can completely remove the kaolin attached layer on disc piece, improve cleaning efficiency, reduce the damage risk to disc piece.

The application provides a pickling purification method of porous carbon for silicon-carbon negative electrode materials and a product thereof, and belongs to the technical field of battery material preparation. The method overcomes the defects of poor purity and long process flow of the existing pickling method. The production method comprises the following steps: crushing carbonization raw materials to 20-50 meshes, and then performing physical activation. The method further comprises the steps of "blowing and stirring cleaning" and "belt rinsing while simultaneously performing vacuum exhaust and controlling the water content to be 60%". The porous carbon is deeply and efficiently purified, so that the iron content and ash content of the porous carbon are reduced to a very low level (Fe<30ppm, ash content<0.2%), and the high-pore structure (iodine value≥1600mg / g) of the porous carbon is maintained. The unique blowing and stirring method has smaller shearing force on the carbon skeleton, and better protects the microstructure of the porous carbon. The belt rinsing is continuously operated, and has high automation degree, and is suitable for large-scale industrial production. The porous carbon product prepared by the method has very high purity and high specific surface area, and meets the needs of high-end lithium ion batteries.

The invention discloses a novel medical sputum suction barrel, and relates to the technical field of medical instruments, the novel medical sputum suction barrel comprises a mounting assembly, the front end and the rear end of the mounting assembly are both provided with supporting assemblies, the top of the mounting assembly is provided with a sputum barrel assembly, and the inner wall of the sputum barrel assembly is provided with a barrel cover assembly; two clamping assemblies are installed on the top of the can cover assembly, and first three-way pipes are installed on the outer walls of the clamping assemblies. According to the novel medical sputum suction barrel, through the supporting assemblies, when equipment is placed on a table top, the equipment can be firmly adsorbed to the table top through suction cups of the two supporting assemblies, the equipment can be prevented from toppling over or falling off due to accidental collision, and the safety and stability of the equipment in the using process are greatly improved; through the mounting assembly and the sputum barrel assembly, when the interior of the sputum suction barrel needs to be cleaned, the inner wall of the barrel body can be flushed, the barrel body and a conical hopper can be continuously scraped through rotation of an L-shaped scraping plate, sputum attached to the inner wall is removed, and convenience is improved when the sputum suction barrel is cleaned.

The utility model provides an oil removal device for hot galvanizing processing, which comprises a hot galvanizing oil removal case, two wave-making fluctuating mechanisms and a piece placing screen frame, the wave-making fluctuating mechanisms are mounted on the hot galvanizing oil removal case, and the two wave-making fluctuating mechanisms are fixedly connected with the piece placing screen frame; according to the utility model, the high-pressure gas foaming technology is introduced and innovatively combined with the wave-making fluctuating mechanism, so that grease and dirt on the surface of a steel workpiece can be more thoroughly and efficiently stripped and cleaned, and the clever design of the workpiece placing net frame ensures that cleaning liquid can uniformly cover and act on the surface of the workpiece; the problem of non-uniformity in a traditional cleaning mode is solved, the device is particularly suitable for cleaning of precise parts in complex shapes, and the comprehensiveness and quality of cleaning are improved.

This invention relates to the field of wet lithium battery recycling technology, specifically to an ultrasonic-assisted wet stripping device for waste lithium battery black powder. The device includes a reaction vessel, a drive mechanism, and a stripping mechanism. The stripping mechanism comprises a stator unit and a rotor unit. The rotor unit includes a filter cylinder and grinding media. The bottom of the filter cylinder has a feed inlet and a spiral blade. The stator unit includes an ultrasonic component and a turbulence component. By constructing a stripping mechanism with the stator and rotor units coaxially nested, the device utilizes the microscopic cavitation effect of ultrasound and the gentle mechanical scrubbing of the grinding media to replace the harsh blade cutting. This solves the problems of insufficient microscopic adhesion and incomplete stripping caused by relying solely on mechanical cutting in existing technologies. Simultaneously, it avoids the problem of excessive pulverization of the current collector, which contaminates the black powder, thus achieving efficient and complete stripping of the black powder and lossless recovery of the current collector.

The utility model relates to mechanical manufacturing and automation technical field, and disclose a one-stop workpiece surface label drying blowing device, including the conveying frame for drying blowing conveying to workpiece label, the centering positioning piece for conveying centering positioning to workpiece and drying blowing part, conveying frame includes the frame body and the conveying roller that evenly distributes in the inside of frame body, and the positioning piece is located below the conveying roller in the inside of frame body, and the centering positioning piece includes drive part, guide part and positioning piece, and the positioning piece includes the positioning board and the positioning vertical rod that evenly distribute in two positioning board top and is arranged to the symmetry structure, and the positioning board is perpendicular to the conveying roller, and every positioning vertical rod top all passes through the gap between two conveying rollers and extends to its above. The present application passes through "conveying feeding - positioning - reset - conveying - drying blowing " full -automatic link, has realized the integrated processing from workpiece placement to label peeling, need not manual intervention positioning and drying blowing alignment, and the operation stability is greatly improved.

The utility model relates to denitration equipment maintenance technical field discloses a kind of denitration metering module dredging device, including cabinet, air inlet pipe, reaction cylinder, flow guide pipe and outflow pipe;Its core is, reaction cylinder is provided with dredging subassembly, dredging subassembly includes detachable seal in the top end of reaction cylinder's cylinder cover, along axial sliding and being arranged in the cylinder cover dredging drive rod, and the dredging plug of being fixed in the lower end of dredging drive rod, the outer periphery of dredging plug and the inner wall of reaction cylinder sliding fit.The device is also provided with pressure gauge for monitoring the pressure inside reaction cylinder and flowmeter for monitoring outlet flow rate.The utility model is combined by mechanical reciprocating dredging and high-pressure liquid flushing, and the process is monitored in real time, solves the problem that only relying on liquid flushing in prior art is difficult to remove stubborn crystallization, dredging is not thorough and process is uncontrollable, has the beneficial effect of high dredging efficiency, good cleanliness, operation safety controllable.

The application discloses an oil separator with high separation efficiency, and relates to the technical field of oil separators.The oil separator comprises a top cover and an air inlet pipe, the air inlet pipe is installed on the top surface of the top cover, the tail end of the air inlet pipe is provided with a twist thread, the outer surface of the air inlet pipe is provided with a sleeve, the inner wall of the sleeve is provided with a displacement groove, and the outer surface of the sleeve is provided with a protective shell.The mechanical linkage of the air pressure sensing ring, the connecting rod and the flow splitting flap realizes the self-adaptive adjustment of the nozzle diameter according to the air inlet pressure, and the three-dimensional oil separation cavity composed of the staggered plate and the flow plate in the cavity ensures the dynamic matching of the airflow coverage area and the interception precision under different loads, thereby making up for the low load centrifugal force deficiency caused by the fixed nozzle of the traditional oil separator and the oil carrying defects caused by the serious local impact under high load, significantly improving the utilization rate of the contact area of the separation cavity, and finally realizing the efficient stripping and automatic recycling of the oil droplets under all working conditions.

The application discloses a reaction kettle of a waste tire cracking furnace. The reaction kettle of the waste tire cracking furnace comprises a cylinder body, a feeding pipe is arranged at a feeding end of the cylinder body, a discharging pipe is arranged at a discharging end of the cylinder body, and helical blades are arranged on an inner peripheral wall of the cylinder body and used for pushing carbon black to the discharging pipe. A polygonal mesh cylinder is arranged in a cavity of the cylinder body, an open end of the polygonal mesh cylinder is communicated with the feeding pipe, and a closed end of the polygonal mesh cylinder extends to the discharging pipe. The application solves the problems of complex structure and high cost in the prior art.

This invention relates to the field of casting technology, specifically to a water-cooled desanding device for casting air conditioning compressor cylinders. The device includes a water-cooled desanding box, which is internally divided into upper and lower chambers. A coarse desanding mechanism is located in the lower chamber, and a fine desanding mechanism is located in the upper chamber. The fine desanding mechanism includes a desanding hood, a filter screen, a rotary drive mechanism, and a lifting mechanism. The desanding hood has an open opening at its upper end and is a rotating body around its own axis. The filter screen is located on the side wall of the desanding hood and is used to filter water entering the desanding hood. The rotary drive mechanism drives the desanding hood to rotate around its own axis. The lifting mechanism drives the desanding hood to move up and down along its axial direction. This invention, by incorporating the desanding hood, filter screen, rotary drive mechanism, and lifting mechanism, solves the problem of residual sand particles after traditional coarse desanding.

This invention discloses a smart home multifunctional modular washbasin, including a main structure, a smart storage device, a fabric cleaning device, and a countertop self-cleaning device. The main structure includes a main housing with a water basin, vertical groove, and dispensing slot on the upper surface of the front housing. The smart storage device is used for storing and retrieving items. The fabric cleaning device includes a shell, with drive components fixed to the inner end faces of the shell at both ends of a roller assembly. A spray assembly is also provided below the roller assembly for spraying fabrics. The countertop self-cleaning device includes a U-shaped water-blocking strip with a water-blocking plate at its lower end, and a pair of rotating nozzles for spraying cleaning agent and tap water, respectively. Functionally, this invention fulfills daily washing needs and provides a closed-loop operation for item storage and cleaning. Structurally, it achieves modular and expandable hierarchical integration, meeting users' personalized operational needs in washing scenarios and improving overall convenience, hygiene, and systemic functionality.

The invention discloses a bag-type dust collector with a rotatable bag-type dust collection assembly, and relates to the technical field of bag-type dust collectors, the bag-type dust collector comprises a shell and a cleaning assembly, the top of the shell is provided with a top cover, the shell is internally provided with a filtering assembly, the cleaning assembly is connected to the top of the top cover, and the cleaning assembly comprises a fixed shell; a fixing shell is arranged on the top of the top cover, and a compressed gas tank is fixedly connected to the middle of the fixing shell. During equipment operation, a high-pressure gas circuit can be automatically and accurately conducted, a closed high-pressure back-blowing cavity is formed for a single group of filter bags, attached large-particle dust is efficiently stripped, meanwhile, other filter bags can work normally, the whole machine does not need to be shut down, the continuous operation capacity and the dust removal efficiency of equipment are remarkably improved, and after dust removal is finished, the dust removal efficiency is greatly improved. When the vertical pipe is reset, high-frequency micro-vibration can be triggered, fine dust can be shaken off in an auxiliary mode, and through cooperation of multiple dust cleaning modes, the self-dust-cleaning performance and the anti-blocking capacity of long-term operation of equipment are remarkably improved.

This utility model relates to the field of wire and cable shaving technology. It provides a wire and cable shaving machine that simultaneously strips the inner and outer insulation layers. The machine includes a body, with supporting feet fixedly connected to the bottom. A discharge plate is fixedly connected to the side of the body, and a door panel is slidably connected to the side of the body. A handle is fixedly connected to the side of the door panel. A shaving mechanism is installed inside the body. This utility model also includes a shaving mechanism and a feeding mechanism. Through the cooperation of the internal components of the shaving mechanism, rotating shafts two and three rotate synchronously, causing the two sets of blades to run at the same speed. This allows for the simultaneous stripping of the inner and outer insulation layers of the wire and cable, improving shaving efficiency. The precise coordination of each component enables continuous operation and reduces manual intervention. This technical solution solves the technical problem of poor wire and cable shaving effect in related technologies.

The utility model belongs to the technical field of waste battery recycling, disclose a kind of peeling machine for waste battery recycling, including the rack device for supporting and conveying waste battery one by one, further including the blanking device for containing waste battery in order to be sequentially discharged, which is arranged at one end of rack device, rack device middle is provided with the peeling device for limiting the movement of waste battery and friction and stripping the outer skin of waste battery, cutting device is arranged in the middle of peeling device for reciprocating and sliding cutting the outer skin of waste battery.The utility model discloses a kind of peeling machine for waste battery recycling, stripping roll surface is wrapped with gelatinous material rotation and friction and stripping the outer skin of waste battery, both provide enough friction force and continuously strip the outer skin, and reduce the wear of battery metal shell;Elastic pressing plate and stripping roll synergistic effect, keep the uniform stress of battery outer skin when friction stripping, avoid damaging the internal structure of battery;Triangular double-blade sliding cutter is driven reciprocating motion by linear motor, quickly and accurately cut open the outer skin.

The utility model relates to the technical field of cooling towers, in particular to a cooling tower with an inner wall cleaning function, which comprises a tower body, a first partition plate is fixedly connected to the inner wall of the tower body, a dehydrator is fixedly connected below the first partition plate, and a cleaning component is rotatably connected below the dehydrator. A spraying system is fixedly connected to the position, corresponding to the lower portion of the cleaning assembly, in the tower body, a second partition plate is fixedly connected to the inner wall of the tower body, filler is connected to the top of the second partition plate through bolts, and the spraying system is located above the filler. According to the improved cooling tower, an upper scraping plate is driven by a rocker to do circular motion on the inner wall of the tower body through rotation of a driving gear and a driven gear, a lower reciprocating lead screw synchronously moves through a chain wheel and a chain, so that an annular wall wiping device does lifting motion in an independent cavity, and two sets of self-cleaning structures are arranged in different areas; the frequency of manually entering the tower for cleaning is reduced, and the labor cost and the labor intensity are reduced.

The instrument cleaning device for the stomatology department comprises an outer shell, an inner cleaning shell is fixedly installed at the position, close to the middle, of the interior of the outer shell, a placing disc is arranged in the inner cleaning shell, and two oral instrument clamp frames are fixedly installed on the top face of the placing disc; a plurality of circular through holes are formed in the top face of the placing disc, a liquid inlet pipeline is fixedly installed on the left side of the inner cleaning shell, the end, away from the inner cleaning shell, of the liquid inlet pipeline is connected with an external liquid supply pump, and a circular air disc is fixedly installed on the inner bottom face of the inner cleaning shell. According to the device, traditional mechanical contact type cleaning is replaced with gas-liquid cooperative disturbance, 360-degree dead-angle-free cleaning is guaranteed, meanwhile, collision and abrasion of instruments are avoided, and the dual advantages of instrument decontamination and instrument protection are improved.

The invention provides a nozzle cleaning device and a nozzle cleaning method. The nozzle cleaning device comprises a cleaning cavity, at least one tangential fluid inlet formed in the side wall of the cleaning cavity, and an upper liquid outlet. A vortex acceleration area with the inner diameter shrinking from bottom to top is formed in the cleaning cavity, and the tip end of the nozzle is located in the vortex acceleration area when used. According to the technical scheme, the vortex rotating at a high speed is formed in the cleaning cavity, and the fluid is accelerated in the vortex acceleration area, so that the tip of the nozzle arranged in the vortex acceleration area is actively and powerfully scoured, and attached residues are efficiently stripped and removed. According to the scheme, the technical problem that the precision nozzle is easily blocked due to dry and solid residues in the temporary storage period can be effectively solved, the process precision is ensured, and the operation stability and the production efficiency of equipment are improved.

The present application relates to steel continuous casting technical field, and disclose a kind of screw thread steel continuous casting post online hot rolling forming device, including shell, ceramic fiber lining is fixedly laid in the shell inner wall, the shell inside is alternately divided into at least one descaling bin section and at least one heat preservation bin section along the direction of travel of casting blank;Descale mechanism is arranged in the descaling bin section, and the descale mechanism includes upper brush wheel, lower brush wheel, left brush wheel and right brush wheel, correspondingly the upper surface, lower surface, left side and right side of casting blank are arranged respectively.By the shell inside alternately dividing descaling bin section and heat preservation bin section, and laying ceramic fiber lining forms closed heat preservation tunnel, can make casting blank maintain longer time in high temperature environment, make oxide skin and steel matrix be in pre-loosening state due to the difference of thermal expansion coefficient, again cooperate the mechanical scraping action of four-way steel wire brush wheel, can make oxide skin be efficiently stripped under low resistance condition, and descaling efficiency is significantly improved.

The invention relates to the technical field of railway detection, and discloses a railway cable surface defect detection robot which comprises a lantern ring; a crushing member; a drive ring; a moving member; and a plurality of groups of detection modules are mounted on the moving part in an annular array. By arranging a plurality of groups of crushing parts which are driven by a driving ring and move along a concentric-square-shaped groove, the oppositely arranged crushing hammers alternately perform opposite impact and back recovery on the cable. According to the alternating reciprocating motion mode, efficient crushing and stripping of the surrounding ice layer are achieved, the generated radial force is balanced on the whole, the dynamic clamping effect similar to alternating crawling is formed, cable swinging is actively restrained and counteracted in the deicing operation, the problem of cable shaking caused by deicing external force is fundamentally solved, and the deicing efficiency is improved. And the operation safety and the stability of the detection image are ensured.

The utility model relates to an ultra-pure polyethylene slurry method production system which comprises a reaction kettle provided with a slurry discharge port; the flash tank is connected with the slurry discharge hole of the reaction kettle, and a gas circulating pipeline is arranged at the top of the flash tank and is used for circulating flashed gas components to the reaction kettle; the rotary drum filtering unit is connected with a discharge hole of the flash tank and is used for sequentially filtering, washing and drying the flashed slurry, a filtrate outlet of the rotary drum filtering unit is connected with a solvent collecting tank, and the solvent collecting tank is communicated with the reaction kettle through a pipeline and is used for circulating a solvent to the reaction kettle. Compared with the prior art, the system has the advantages that the reaction kettle, the flash tank and the rotary drum filtering unit are efficiently connected, solvent and unreacted gas raw materials are recycled, a closed-loop material circulation system is formed, and waste and emission of the raw materials are reduced. According to the drum filter unit, the traditional dispersed procedures of filtering, washing and drying are integrated into an integrated process, so that the number of equipment and the occupied area are greatly reduced, and the operation and maintenance cost is reduced.

The utility model relates to the technical field of potato production, in particular to an efficient potato soil screening device for production and processing, which comprises a roller conveyor and a soil screening mechanism arranged on the roller conveyor, the roller conveyor comprises a frame, a driving mechanism arranged on the frame, and a conveying roller group arranged on the frame and in transmission connection with the driving mechanism, the soil screening mechanism is arranged on the rack and used in cooperation with the conveying roller set, and the conveying roller set is in transmission connection with the soil screening mechanism. According to the utility model, the roller conveyor is driven to vibrate by the vibration motor, and the potatoes are rotationally brushed by the brushes on the surface of the conveying roller group, so that the soil is preliminarily and efficiently stripped; furthermore, through meshing transmission of the driving gear and the driven gear, the rotating screen roller and the conveying roller set rotate reversely, the secondary deep cleaning effect is achieved, and compared with a traditional single brush or vibrating screen mode, the soil screening efficiency is improved, and soil residues are reduced.

The invention discloses a method for rapidly depolymerizing hectorite nanosheets, and belongs to the technical field of nano powder preparation. The method comprises the following steps: preparing synthetic hectorite into a suspension with the mass concentration of 0.1 wt%-5wt%, adjusting the pH value to 2-12 by using acid and alkali, carrying out high-pressure homogenization treatment under the pressure of 10-100 MPa, and carrying out filter pressing and strong drying to obtain the delaminated nano hectorite powder with the lamella thickness of 2-10 nm and the water content of less than or equal to 2.0%. Through the synergistic effect of pH regulation and high-pressure homogenization, on the premise of not damaging a crystal structure, efficient and rapid depolymerization of hectorite is achieved, and the method has the advantages of being simple in process, low in cost and easy to amplify.

This invention relates to the field of digital psychology and provides an AI-based method and system for crawling dynamic multi-modal psychological test questions. The method includes the following steps: obtaining the URL of the target psychological test page and selecting a set of device configuration parameters that includes at least desktop and mobile versions according to a preset device type library; loading and rendering the target psychological test page according to each configuration parameter in the device configuration parameter set, and crawling the complete document object model tree presented in each simulation environment; using AI to compare multiple document object model trees to obtain unique content nodes between versions, and selecting effective nodes to merge into a unified content tree structure; generating standardized test question data based on the unified content tree structure. This invention achieves efficient, accurate, and automated crawling of dynamic multi-modal psychological test questions by simulating multiple client access environments and introducing an AI-driven intelligent comparison, filtering, and fusion mechanism.

This utility model discloses a tap water pipeline filtration device, belonging to the field of municipal engineering technology. It includes a housing with a through-flow inlet and outlet channel. A filtration structure is installed in the housing to trap impurities in the fluid. One end of a flushing channel is connected to the inlet channel, and the other end extends to the outlet surface of the filtration structure. A flow guiding and switching mechanism is configured to switch between a first flow path and a second flow path. The first flow path connects the inlet channel to the outlet channel; the second flow path connects the flushing channel to the outlet channel. When the second flow path is open, the fluid in the flushing channel penetrates back through the outlet surface of the filtration structure, carrying away the impurities trapped upstream. This utility model uses a single-action stopcock valve to switch between filtration and backwashing modes. The acute-angle swirling flow achieves zero-blind-zone, highly efficient self-cleaning of the filter screen. Staged filtration and visible sewage discharge reduce the risk of clogging. The overall structure requires no external power source, extending its lifespan and making maintenance convenient.

The application provides a new type of aggregate facing concrete and a construction process thereof, and belongs to the technical field of building engineering. The construction process comprises the following steps: preparing a pouring mold, pouring concrete according to a designed mixing ratio and leveling before initial setting; spraying a retarding agent prop by using a spray gun and naturally solidifying; and washing the retarding area by using a high-pressure water gun containing an ultrasonic generator until the aggregate is exposed. The method utilizes the synergistic effect of chemical softening and physical cavitation to achieve efficient stripping under low water pressure, solves the problems of uneven exposed aggregate depth, easy loosening and falling of the aggregate and blurred pattern boundary of the traditional exposed aggregate concrete, and realizes high-precision construction with the aggregate damage rate close to zero and the exposed aggregate depth deviation controlled within + / -0.5mm. The application has high construction efficiency, and the finished product has clear exposed aggregate, natural color and three-dimensional texture, and is suitable for high-quality decorative engineering such as municipal landscape ground paving.