679 results about "Water rinsing" patented technology

The invention relates to the technical field of polyester fiberboard production, and provides polyester fiberboard production integrated equipment with an automatic waste recycling function, the polyester fiberboard production integrated equipment comprises a recycling box, a material guide groove and a solid-liquid separation box, a material crushing and slicing assembly and a high-pressure water washing assembly are arranged in the recycling box, and the high-pressure water washing assembly is located below the material crushing and slicing assembly; waste materials are sliced and cleaned through cooperation of the material crushing and slicing assembly and the high-pressure water washing assembly, the material guide groove is obliquely formed in the bottom of the recycling box, the material crushing and knocking assembly is arranged above the material guide groove, the electromagnet set is installed below the material guide groove, and secondary cleaning and metal impurity removal are conducted on the waste materials through cooperation of the material crushing and knocking assembly and the electromagnet set. And one end, far away from the recycling box, of the material guide groove extends into the solid-liquid separation box, and through the technical scheme, the problem that the cleaning efficiency is low when an existing polyester fiber board production device recycles and treats waste materials with more impurities and a large amount is solved.

The utility model discloses pig trotter cleaning equipment. The pig trotter cleaning equipment comprises a box body, a cleaning cylinder, a lifting structure, a cleaning structure and a filtering structure, the cleaning cylinder is arranged above the box body, the lifting structures are arranged on the two sides of the cleaning cylinder, the cleaning structure is arranged in the cleaning cylinder, and the filtering structure is arranged on one side of the box body. Compared with the prior art, the pig trotter cleaning device has the advantages that the pig trotters to be cleaned can be immersed in water in the cleaning barrel to be cleaned, all-directional cleaning can be conveniently conducted on all angles of the pig trotters in the cleaning process, and cleaning dead angles are avoided; and water entering the filtering cavity can be filtered through the filtering plate, the filtered water flows back into the cleaning cavity again after washing the cleaning barrel, water resources can be recycled conveniently, and then waste of the water resources is avoided.

The automatic cat toilet cleaning system comprises a support assembly, a water spraying system, an excrement shoveling device, a cat litter basin, a sewage discharging system and a drying and disinfecting device, the sewage discharging system is located below the cat litter basin, and water is sprayed into the cat litter basin from outside to inside through the water spraying system to wash cat litter, the cat litter basin and a shovel rake; generated sewage flows into a sewage discharge system through a water leakage hole of the cat litter basin, the cat litter is shoveled into a water tank of the sewage discharge system through the cat litter shoveling device, the cat litter is smashed by the smashing device, dissolved with the sewage and then discharged through a sewage discharge pipe, actions such as cat litter shoveling, flushing, smashing, sewage discharge and drying disinfection are fully automatically completed, peculiar smell is removed in time, the two hands are liberated, and cost is saved.

The embodiment of the invention relates to the technical field of silicon wafer cleaning, and discloses a cleaning method and system for improving the surface metal level of a silicon wafer. The method comprises the steps that a silicon wafer is ground, the treated ground silicon wafer is washed with deionized water, the treated silicon wafer is washed with a DHF, ammonia water, hydrogen peroxide and water mixed solution at the room temperature for 270-300 s, and then the silicon wafer is washed with high-purity water for 270-300 s; the washed silicon wafer is put into an ozone and hydrochloric acid mixed cleaning tank to be washed for 270-300 s, and then rapid high-purity water secondary washing is carried out for 270-300 s; the silicon wafer subjected to secondary flushing is cleaned for 270-300 s by adopting a nitric acid solution under the room temperature condition, and then rapid high-purity water third-time flushing is carried out for 270-300 s; and drying the silicon wafer which is washed for the third time, and packaging to obtain a final silicon wafer product. The technical problem that precious metal is difficult to remove in the silicon wafer cleaning process in the prior art can be at least solved.

The utility model relates to the technical field of desludging machines, and discloses a structure for preventing the nozzle of a pipe in a desludging machine from being blocked, including a desludging machine housing and a plurality of support frames fixedly connected to the inner wall of one side of the desludging machine housing, the tops of the plurality of support frames are provided with mounting holes and water pipes are fixed by clamps, one side of the water pipe is provided with a plurality of nozzles, the tops of the plurality of support frames are fixedly connected to a vertical bearing seat, and a connecting rod is provided in the vertical bearing seat. The utility model sprays out medium water from the nozzle to wash the filter cloth in the desludging machine, and the arc-shaped rod and the clearing assembly are away from the nozzle and avoid the position. When clearing the blockage, the connecting rod drives the arc-shaped rod to flip through the driving component, and the clearing assembly provided on the fixed seat at the end of the arc-shaped rod is inserted into the nozzle of the nozzle, and the cleaning operation is performed, so as to avoid the nozzle being blocked when the medium water contains certain impurities, thereby affecting the washing efficiency of the medium water.

A composition of which the main surfactant content is mainly bio based shows a high cleaning capability in the cleaning of textiles or fabrics. Biosurfactants and fatty acid salts further support the cleaning capability for cleaning of fatty stains. A method for cleaning a surface of an article includes combining the composition and the article with water, maintaining a temperature of the water of from 15° C. to 100° C., over a period of from 15 minutes to 240 minutes, while tentatively moving the article in the water, separating the article from the water, and optionally rinsing the article with further water.

The invention relates to the technical field of kitchen appliances, and discloses a fruit and vegetable cleaning device, a control method thereof and an integrated water tank. The fruit and vegetable cleaning device comprises a first water tank, and a first water outlet is formed in the bottom of the first water tank; at least part of the cleaning component is arranged in the first water tank, and the cleaning component is used for disturbing water in the first water tank; the flow guide plate is arranged at the first water drainage opening, and a water drainage gap is formed between the flow guide plate and the side wall of the first water drainage opening; the deposition tank is arranged on the lower side of the first water tank and is communicated with the first water tank through the drainage gap; the drainage assembly is connected with the deposition tank and used for draining water in the first water tank and the deposition tank; and the flushing assembly is connected with the deposition tank and used for flushing water into the deposition tank. According to the fruit and vegetable cleaning device, silt and food materials can be isolated during cleaning, and the silt is automatically cleaned, so that the cleaning effect on the food materials and the use experience of a user are improved.

The invention relates to the technical field of pipeline flushing, in particular to a mine filling pipeline flushing device which comprises a walking assembly, a plurality of cleaning assemblies arranged on the outer side of the walking assembly and an adjusting assembly arranged on the outer side of a cleaning bin. The guiding assembly is arranged outside the walking assembly, and the rotating assembly is arranged outside the walking assembly. According to the cleaning device, when the cleaning bin rotates to the upper portion, the first material pipe collects stains, the first material pipe flushes the inner wall of the pipeline, and when the cleaning bin rotates to the lower portion, the second material pipe collects the stains, the stains move in the specific direction, and the situation that when bristles and water are used for flushing the upper portion of the inner wall of the pipeline, the stains are damaged is avoided. Brushed-off stains and water generated by washing can drop to the position below the inner wall of the pipeline, the situation that the inner wall of the cleaned pipeline is smudged again due to the fact that the dropped stains and water are splashed all around is avoided, the inner wall of the pipeline is cleaned more comprehensively, and the cleaning effect is improved.

The invention provides a flexible packaging process of an AM glass-based small-spacing display screen, which comprises the following steps: substrate pretreatment: carrying out ultrasonic cleaning for 5 minutes by using a mixed solution of deionized water and isopropyl alcohol in a volume ratio of 3: 1 at 45-55 DEG C, washing for 2 minutes by using deionized water, drying, and activating the surface of the substrate by using plasma; transferring a large amount of LED chips: aligning the LED chips, transferring the LED chips to a preset position of the activated substrate, and fixing the LED chips on the substrate; coating high-thermal-conductivity packaging glue: carrying out plasma cleaning and 120 DEG C baking dehumidification on the substrate on which the chip is fixed, and then directionally coating the high-thermal-conductivity glue; curing the high-thermal-conductivity glue, namely pre-curing the substrate coated with the high-thermal-conductivity glue and then carrying out stepped curing; and optical film lamination: performing quantum dot film lamination and anti-reflection layer spraying on the surface of the cured substrate. The heat-conducting glue with polyurethane modified epoxy resin and AlN / BN / carbon fiber composite filler is adopted, so that the heat-conducting effect is effectively improved, and the service life of an LED is prolonged.

The invention discloses a circuit board finished product sand blasting line and a processing method. The circuit board finished product sand blasting line comprises a feeding area, a sand blasting device, a multi-stage washing device, a drying device, a cooling area and a discharging area which are sequentially arranged in the conveying direction. Wherein the multi-stage water washing device innovatively combines six cleaning modes of inclined spraying, circulating water washing, pressurized water washing, high-pressure water washing, ultrasonic cleaning and deionized water rinsing to form a progressive treatment system, and various pollutants can be effectively removed; the drying device adopts a three-stage synergistic drying mode of suction drying, strong wind blow-drying and hot wind drying, so that the drying quality is ensured, and the energy efficiency is improved. The invention further provides a matched processing method, and the technical problems of dispersed procedures, incomplete cleaning and the like of the traditional process are solved by optimizing the procedure flow and parameter control. The technical scheme has the advantages of being high in automation degree, good in cleaning effect, high in drying efficiency and the like, and the quality stability and the production efficiency of circuit board surface treatment are remarkably improved.

The utility model discloses a thermal spraying equipment nozzle cleaning device which comprises a supporting leg and a swing plate, a cleaning box is arranged at the upper end of the supporting leg, a connecting port is formed in the outer wall of the cleaning box, a swing motor is installed in the connecting port, a connecting shaft is installed at the end of the swing motor, and the swing motor is connected with the connecting shaft. The swing plate is arranged at the end of the connecting shaft, a clamping hole is formed in the swing plate, a rubber pad is arranged in the clamping hole, and connecting holes are formed in the outer walls of the left end and the right end of the swing plate. According to the nozzle cleaning device for the thermal spraying equipment, a nozzle is connected with a clamping hole in a clamped mode, the nozzle can be connected with a swing plate, the swing plate is driven by a swing motor to swing, impurities, liquid and other substances in the nozzle can be thrown into the cleaning box through swing force, the nozzle is pretreated, and a drawing cleaning head can be stretched randomly; and the drawing cleaning head can be aligned with the nozzle to carry out water washing work on the nozzle.

The invention discloses a preparation method of a vacancy coupled nano tip material for electrochemical seawater uranium extraction, which comprises the following steps: slicing foamed nickel, performing ultrasonic treatment in acetone, ethanol, pure water and a hydrochloric acid solution in sequence, thoroughly washing with pure water, and drying for later use; the preparation method comprises the following steps: dissolving a cobalt source, urea and ammonium fluoride in pure water, transferring the solution into a polytetrafluoroethylene lining, then adding treated foamed nickel, reacting in a high-pressure reactor, taking out a material, washing with pure water, and drying; and then calcining the dried flaky material, and treating with Ar plasma after calcining to obtain the vacancy-coupled nano tip material. The Co3O4 nano tip array rich in oxygen vacancies grows on the surface of the foamed nickel, an enhanced electric field on the nano tip induces OH <-> in a solution outside an electrode surface interface to be enriched, a local alkaline pH protection layer is formed, and attachment and deposition of metal salt on the surface of the electrode are reduced.

The utility model belongs to the technical field of cleaning machines, and particularly relates to a movable type multifunctional efficient cleaning machine which comprises a box body. The fuel heating device is arranged on the box body and is used for heating liquid and / or gas in the box body; a heating outlet of the fuel heating device is connected with the cleaning gun through an output pipe and / or connected with the pulse output port through a pulse pipeline, and a first electromagnetic valve is arranged in the pulse pipeline. A water outlet of the water pump is connected with a heating inlet of the fuel heating device and used for inputting liquid into the fuel heating device; the gas pump is connected with the heating inlet of the fuel heating device and used for inputting gas to the heating device; a power supply device; and an electric control device. The fuel heating device, the water pump, the air pump and the power supply device are electrically connected with the electric control device; the movable multifunctional efficient cleaning machine has various flushing functions such as high-pressure hot water flushing, high-pressure warm water flushing, high-pressure cold water flushing, high-pressure hot air drying, high-pressure cold air drying, high-pressure gas mixing flushing and high-pressure gas explosion pulse flushing.

The invention discloses a multi-biological aerated filter linkage backwashing control method and application thereof, and belongs to the technical field of sewage treatment.According to the backwashing control method, original independent sequential backwashing of multiple biological aerated filters is improved into linkage backwashing of two biological aerated filters, the backwashing efficiency is greatly improved, and the backwashing time is shortened. The problems that the backwashing process is too long when the multi-aeration biological filter is cleaned, and a backwashing fan and a backwashing pump have idle time and are frequently started and stopped can be solved, and the pollution and blockage degree of a filter material in the flushed filter can be pre-judged according to the current value characteristic of the backwashing fan in the first half time of the gas flushing stage. According to the backwashing control method, the gas washing stage time and the water washing stage time are dynamically adjusted, the backwashing effect can be guaranteed, incomplete backwashing or excessive backwashing is avoided, and the backwashing control method has wide application prospects in the field of sewage treatment.

The carrier gas heat exchange equipment easy to clean is of a shell-and-tube structure, the heat exchange tube serves as a carrier gas channel, carrier gas passes through the tube pass, and cooling water passes through the shell pass; heat exchange tubes in the heat exchange tube bundle are arranged in a vertical array, and washing nozzles are arranged at the tops of the heat exchange tubes; when the heat exchange tube needs to be cleaned, the water supply equipment based on the high-pressure flushing water provides high-pressure water for the flushing nozzles, the high-pressure flushing water is sprayed to the inner cavity of the heat exchange tube through the flushing nozzles, and dust accumulated in the inner cavity is flushed; due to the fact that the heat exchange tube is a vertically-arranged straight tube, flushing water can flow out along the inner cavity of the heat exchange tube based on gravity, and dust accumulated in the heat exchange tube can be cleaned without manual cleaning. According to the technical scheme, carrier gas generated after high-humidity sludge is dried is subjected to heat exchange, the heat exchange pipes are cleaned in the mode that water is sprayed to the pipe pass for flushing, the complexity of cleaning operation of the heat exchange structure can be reduced, and the cleaning time of the heat exchange pipe bundle is effectively shortened.

The invention relates to the technical field of electrical equipment, and discloses a zero-stale-water regulation and control method and device for a water purifier, computer equipment, the water purifier, a medium and a program product. The regulation and control method comprises the following steps: when water making of the water purifier is finished, taking the water making end moment of the water purifier as a starting moment; calculating a first difference value between the actual temperature of water at the preset position of the water purifier and the environment temperature; when the first difference value is larger than a preset first threshold value, process parameters of the water temperature adjusting process at the preset position are obtained; according to the process parameters, determining a first actual interval duration for starting a zero aged water flushing function in the water purifier; and when a first actual time length from the starting moment to the current moment reaches a first actual interval time length, starting a zero-aged-water washing function. According to the method, the interval duration of the zero aged water flushing function is dynamically adjusted in combination with the water temperature change process parameters, and the problem that the flushing opportunity is unreasonable due to the fact that the water purifier cannot dynamically adjust the starting time of the zero aged water flushing function according to the water temperature change is solved.

The invention relates to the technical field of surface treatment, discloses a dry ice sand blasting-chemical dissolution-ultrasonic collaborative cleaning process for a nano aluminum oxide coating part, and aims to overcome the defects of an existing cleaning technology in the aspects of removing a complex deposited film, protecting the coating integrity and improving the cleaning efficiency. The method comprises the steps of isopropanol soaking treatment, flowing pure water flushing, hot water soaking treatment, carbon dioxide dry ice sand blasting treatment, chemical cleaning of a niflumic acid mixed solution, high-pressure water washing, ultrasonic cleaning and the like. By the adoption of the technical scheme, the efficient, thorough and lossless cleaning effect can be achieved, and the high-standard requirement for cleaning of the nanometer aluminum oxide coating part in the modern industry is met.

The utility model discloses a central air conditioner pipeline cleaning and disinfecting device which comprises an installation box, a disinfecting water tank and a cleaning water tank are fixedly arranged in the installation box, and a filtering assembly used for filtering particles in water is arranged in the installation box and located on the side face of the disinfecting water tank and the side face of the cleaning water tank. Stop valves are arranged on the sides, close to the filtering assembly, of the disinfection water tank and the cleaning water tank, the sides, close to the filtering assembly, of the two stop valves are jointly connected with a connecting water pipe, and one end of the connecting water pipe is connected with the filtering assembly. The disinfection water tank and the cleaning water tank are connected with a set of stop valves respectively and then connected with the filtering assembly, small particles and precipitates in water are filtered through the filtering net, the situation that the particles enter an air conditioner pipeline, and consequently the air conditioner effect becomes poor is avoided, and meanwhile after disinfection is conducted through disinfectant fluid, the stop valves cut off the disinfection water tank, so that the disinfection effect is improved. And water in the cleaning water tank is used for flushing the pipeline, so that the disinfectant fluid in the pipeline is cleaned.

This invention discloses a pH electrode flushing device, a desulfurization absorption tower system, and a control method. The pH electrode flushing device includes an industrial water flushing pipeline filter, a check valve, an industrial water inlet manual valve, and an industrial flushing solenoid valve connected in sequence. An annular flushing opening pipe extending obliquely into the electrode flow tank is provided at the upper part of the electrode flow tank. Multiple sets of flushing nozzles are provided on the annular flushing opening pipe. The annular flushing opening pipe is connected to the industrial water flushing solenoid valve. An inlet pipe is provided on one side of the lower part of the electrode flow tank. A drain pipe is provided at the lower part of the electrode flow tank. The bottom of the drain pipe is connected to the side wall of the top of the electrode flow tank through the flow tank overflow pipe. A pH electrode is provided at the top center of the electrode flow tank. It has the advantages of high monitoring accuracy, more stable operation, fast adjustment response, and small control fluctuation.

The invention discloses a chemical gold plating anti-corrosion process for a gold-silver alloy or pure silver bump. The chemical gold plating anti-corrosion process comprises the following steps: forming a metal bump structure on the surface of a substrate; performing patterning processing on the metal bump structure to form a metal bump with a required pattern; carrying out pretreatment on the metal bump, wherein the pretreatment comprises acid washing and deionized water rinsing; immersing the pretreated metal bump into a chemical gold plating solution to form a continuous metal gold layer on the surface of the metal bump; and rinsing and drying the gold-plated structure to obtain the metal bump structure with the anti-corrosion performance.

The invention discloses a nursing trolley, and belongs to the field of medical instruments. A nursing trolley comprises a frame body, and the frame body is sequentially provided with a working area, a medicine storage bin, a large piece containing area and a power supply area from top to bottom; according to the medical instrument cleaning device, disinfectant flushing, ultrasonic cleaning and clean water flushing of medical instruments can be completed in sequence through the cleaning bin, the cleaning effect of the medical instruments is ensured, water on the surfaces of the medical instruments can be drained through the air drying bin in the working area, sterilization and disinfection are further achieved, and cleanliness and sanitation of the medical instruments are ensured; according to requirements in medical care work, medical staff can arrange a plurality of groups of placing boxes with adjustable lengths and positions in the medicine storage bin, label placing grooves for labels are formed in the ends of the placing boxes, the storage space of the medicine storage bin is reasonably planned, disordered placement of medicines is avoided, and the medical care efficiency is improved. And taking and using are not convenient.

The utility model provides a precision polishing chip removal recovery device which comprises a first box body, a water inlet is formed in the top of the first box body, a water outlet is further formed in the side wall of the first box body, a water guide cover is arranged at the water outlet, a first filter screen is arranged at the water outlet, and the first filter screen is obliquely arranged in the direction away from one side of the water guide cover from bottom to top. The bottom of the first box body is further provided with a collecting box with an opening in the upper portion, the collecting box is located below the water outlet, the first box body is arranged, after the roller polishing machine polishes balls, waste chips are flushed out through water flushing, and the flushed-out water with the waste chips is guided into the first box body through the water inlet; water flow can flow out from the water outlet through the first filter screen, the water flow is guided out through the water guide cover, sweeps are filtered through the first filter screen, stay in the first box body and deposit in the collecting box under the action of gravity, so that the recycling purpose is achieved, the first filter screen is arranged to be in an inclined state, and the probability that the first filter screen is blocked can be reduced.

1. Name of the product in this design: Water purifier pull-out faucet. 2. Purpose of this design: For use in water rinsing. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the key design points: Design 1 3D view. 5. Design 1 is designated as the basic design.

The utility model discloses an automatic water washing type filter press belongs to filter press technical field, including frame, a plurality of filter plates are placed in the frame sliding, one side of frame is installed hydraulic cylinder, the output fixedly connected with the pressing plate of hydraulic cylinder location in the frame, be provided with the washing spare of washing filter plate on the frame, the washing spare includes two groups, and symmetrically fixed on the beam of frame, the outside of two top beam all slidingly connected has the sliding frame, the outside of two sliding frames all fixedly connected with support rod, fixedly connected with the mounting panel between two support rods, the fixed mounting of mounting panel has the cylinder, the utility model discloses, through the mounting bracket of cylinder descending can drive the brush plate of a group in the mounting bracket cooperation water guide house on the shower head, to the filter plate both sides of separation flushes the brush washing, to improve the cleaning effect of filter plate, thereby improves the filter effect of filter plate subsequently.

The utility model relates to the technical field of chemical engineering, in particular to a sodium hydrogen sulfide solution storage tank flushing system which comprises a magnetic turning plate liquid level meter, a remote transmission liquid level meter, a sodium hydrogen sulfide storage tank, a condensation water pipeline, an upper flushing line, a lower flushing line and a remote transmission flushing line. A lower end inlet of the magnetic flap liquid level meter is connected with a lower end drain valve; a first short-circuit wire is led out from the sodium hydrosulfide storage tank to be connected to an outlet in the upper end of the magnetic flap liquid level meter, a second short-circuit wire is led out from the sodium hydrosulfide storage tank to be connected to an outlet in the lower end of the magnetic flap liquid level meter, a third short-circuit wire is led out from the sodium hydrosulfide storage tank to be connected to the remote transmission liquid level meter, and a remote transmission shower valve is arranged on the third short-circuit wire. On-line flushing of the sodium hydrogen sulfide solution storage tank is achieved, when liquid level display is different from remote liquid level, water flushing is carried out, checking is carried out again after flushing, and the operation risk is reduced.

The invention relates to the field of coking coke oven dust removal, in particular to a coke oven water seal tank drainage control system which is applied to a water seal tank, and a machine vision unit is used for identifying and judging whether a drainage branch pipe is blocked or not and the turbid state of water drained by the drainage branch pipe, and sending a judgment result and the turbid state to a main control unit; the main control unit is mounted below the water seal tank or in the power distribution room, and is used for receiving a signal of the machine vision unit and controlling the unblocking unit according to a judgment result and a turbid state; the production acquisition unit is arranged in the centralized control room and is used for acquiring coke discharging and coal charging plans of the coke oven and acquiring a target oven number of a coke oven vehicle; the vehicle-mounted control unit is installed in a coke oven vehicle distribution room and used for collecting vehicle information and transmitting the collected vehicle information to the main control unit through wireless communication. The unblocking unit utilizes high-pressure water to wash oil sludge of the water seal tank drainage branch pipe, and unblocking is achieved. Dynamic drainage can be realized according to dust settling time, drainage frequency is intelligently controlled, and the problem of coke powder deposition is effectively solved.

This utility model discloses an automatic sculpture cleaning tool, including a mixed washing mechanism. The mixed washing mechanism includes a water tank, a clamping plate rotatably embedded in the bottom of the water tank's inner cavity, a triangular plate connected to the top of the clamping plate, a folding plate fixed to the outer edge of the triangular plate, two cylinders connected to the outer wall of the folding plate, straps connecting the folding plate and the cylinders, and a motor fixed to the bottom of the water tank. The motor's output shaft is fixed to the bottom of the clamping plate. In this utility model, after the sculpture is placed behind the triangular plate, the top cylinder retracts, driving the straps to tighten and, together with the folding plate, clamp the sculpture. The motor is then started, causing the clamping plate to rotate. The sculpture is enhanced by the combination of water rinsing and rotation. Subsequently, the cylinder actions are switched (one retracts, one extends), dynamically adjusting the strap clamping points to ensure thorough cleaning of all surfaces of the sculpture, significantly improving the cleaning effect.

The invention discloses an anti-corrosion process for chemically plating nickel and gold on a gold-silver alloy or pure silver bump, which is characterized by comprising the following steps of: forming a metal bump structure on the surface of a substrate; performing patterning processing on the metal bump structure to form a metal bump of a target pattern; performing pretreatment on the metal bump, wherein the pretreatment comprises acid pickling, micro-etching, dilute nitric acid cleaning and deionized water rinsing; performing zinc replacement treatment on the pretreated metal bump for at least two times to activate the surface; the activated metal bump is placed in a chemical nickel plating solution for reaction, so that a continuous nickel metal layer is formed on the surface of the metal bump; after the nickel layer is formed, the nickel layer is further placed in a chemical gold plating solution for reaction, and a continuous metal gold layer is formed on the surface of the nickel layer; and rinsing and drying the gold-plated structure to obtain the metal bump structure with the anti-corrosion performance.

The utility model provides a water washing tool, and relates to the field of workpiece cleaning. The water washing tool comprises a rotating mechanism and a washing mechanism, the top of the left side of the rotating mechanism is fixedly connected with a clamping mechanism, the clamping mechanism comprises a sliding groove and a clamping plate, the sliding groove is formed in the upper portion of the left side of the rotating mechanism, and the bottom of the clamping plate is slidably connected with the sliding groove. According to the water washing tool, the clamping mechanism is arranged, the clamping plates slidably connected with the sliding grooves are moved to the two sides of a workpiece, fixing nuts are rotated to drive screws to move downwards to be attached to the bottoms of the sliding grooves, the purpose of fixing the workpiece on the surface of the workbench is achieved, and the situation that the workpieces collide with one another and are damaged in the washing process is prevented; and the situation that sewage generated after flushing is collected around the workpiece to affect the cleaning effect is avoided, the workpiece flushing link process is simplified, the workload of workers and the workpiece flushing cost are reduced, and the workpiece flushing efficiency is improved.