98results about How to "Improve decontamination ability" patented technology

The invention relates to an automatic cleaning and nursing device for pearl necklaces, a device body comprises a cleaning box, a limiting assembly and a cleaning assembly, a top cover is rotatably arranged on the upper surface of the cleaning box, a rotating chassis is rotatably arranged on the inner bottom wall of the cleaning box, and the limiting assembly is arranged on the upper surface of the rotating chassis; the limiting assembly is used for limiting the pearl necklace; a rotating motor is fixedly arranged on the lower surface of the cleaning box, a cleaning assembly and a limiting assembly are arranged in the cleaning box, pearl necklaces are limited and tightened through a first arc-shaped limiting plate and a second arc-shaped limiting plate, then the rotating motor is used for driving the pearl necklaces to rotate, and a cleaning roller brush is used for cleaning the pearl necklaces. Each pearl on the surface of the pearl necklace can be fully cleaned, and the cleaning effect on the pearl necklace is improved. The pearl necklace cleaning device has the effects of cleaning a plurality of pearl necklaces at the same time and improving the cleaning efficiency.

The invention relates to the technical field of pressurized water reactor nuclear power station pipeline hot spot ultrasonic decontamination, in particular to a pressurized water reactor nuclear power station pipeline hot spot ultrasonic decontamination auxiliary device and a using method. According to the scheme, through combination of the electric heater and the ultrasonic vibrator, hot spots of the pipeline are directly heated in the sealed cavity, ultrasonic vibration is generated, and the decontamination effect can be rapidly improved. Large-range energy waste is avoided through local heating, the device is suitable for pipelines of different specifications through the compact modular design, rapid disassembly and assembly are convenient, and the operation difficulty and the time cost are reduced. In addition, the multi-layer sealing design of the sealing ring and the sealing chamber is combined with the application of sealing silica gel, so that the sealing performance under high temperature and high pressure is ensured, and leakage of solution and heat is prevented. The ultrasonic vibrator enhances the chemical decontamination process, especially removal of stubborn corrosives, ensures thorough decontamination, and reduces residual radioactive substances. Due to the advantages, the device has wide application value.

The invention relates to the field of washing chemicals, and provides a processing method of plateau trona washing chemicals based on a nonionic surfactant, which comprises the following steps: preparing a washing liquid by using a quantitative feeding and stirring device, the quantitative feeding and stirring device comprises a base, a stirring box and a recycling box, the stirring box is fixedly connected to the top wall of the base, and the recycling box is fixedly connected to the top wall of the base; a first transmission cavity and a stirring cavity are formed in the stirring box, a driving mechanism is arranged in the first transmission cavity, a stirring mechanism is arranged in the stirring cavity, a quantitative feeding mechanism is arranged on the stirring box, two or more recycling cavities are formed in the recycling box, the recycling box is connected to the base, a liquid supply pipe and a discharging valve are connected to the inner wall of the stirring cavity, and the liquid supply pipe is connected with an external liquid supply device. And a heating device is arranged in the stirring cavity. The production efficiency and the automation degree of the washing liquid can be improved, and the produced washing liquid has the advantages of being environmentally friendly, mild, high in detergency and high in economical efficiency.

The invention discloses a method for separating and purifying 64Cu in an accelerator irradiation target, which adopts a combined process of an anion column and an extraction resin column to obtain high-concentration and high-purity 64Cu which can be directly used for biomarkers and recover 64Ni at the same time under the condition of not using an organic solvent. The acidity of Cu component effluent in the anion column is similar to that of a column on a Cu resin column, and TK201 resin can be selected to convert the acidity of the Cu component effluent in the Cu resin column and further remove residual Ni in the Cu component effluent in order to solve the problem that the acidity of the Cu component effluent in the Cu resin column is too high. And triple resin columns are superposed, so that a 64Cu final product with higher purity and more appropriate acidity can be obtained.

The invention discloses an aero-engine runner cleaning agent and a use method thereof. The aero-engine runner cleaning agent is prepared from the following raw material components in parts by weight: 65-80 parts of water, 7-9 parts of sodium metasilicate, 5-8 parts of a composite surfactant, 1-3 parts of triethanolamine oleate and 7-15 parts of saturated isoparaffin. The using method of the cleaning agent comprises the steps that the engine is not detached from an airplane, in the cold running or slow running state of the engine, the cleaning agent is atomized into water particles of 50-100 micrometers through an injection method, the water particles are injected into an air flow channel through an engine cleaning nozzle, and deposits such as carbon, salinization, dust dirt and oil dirt on the engine air flow channel are effectively cleaned on line. The engine runner cleaning agent has the characteristics of no damage, rapidness and no corrosion to a base material, can be used for on-line cleaning of salinization, oil dirt, dirt, carbon deposition and other sediments on the engine runner, and is less in engine cleaning agent consumption and high in cleaning efficiency compared with traditional engine runner cleaning.

The invention relates to a wear-resistant easy-to-decontaminate luggage fabric and a processing method thereof, and belongs to the technical field of luggage cloth manufacturing. The wear-resistant easy-to-decontaminate luggage fabric comprises a wear-resistant base cloth layer and a wear-resistant antibacterial surface layer; the wear-resistant antibacterial surface layer is obtained by coating the surface of the wear-resistant base cloth layer with wear-resistant antibacterial decontamination modification liquid; the wear-resistant base cloth layer is formed by weaving the following fibers in parts by weight: 60-64 parts of polyester fibers, 24-32 parts of cotton fibers and 16-22 parts of bamboo fibers; the wear-resistant decontamination monomer and the functional particles are added in the process of preparing the wear-resistant antibacterial decontamination modified liquid, and the wear-resistant decontamination monomer contains rich active hydroxyl, trifluoromethyl, catechol group, pyridyl and disulfide bond, so that the wear-resistant decontamination monomer and the active hydroxyl on the surface of the wear-resistant base cloth layer can form hydrogen-bond interaction; and through the combined action of the functional particles, the wear resistance, the decontamination property and the antibacterial property of the luggage fabric are improved.

The utility model relates to a kind of high-efficiency cleaning device for military parts cleaning in the field of military equipment maintenance, including washing tank, ultrasonic generator is inductively arranged in the lower end of washing tank, further include: multiple groups of conical hopper, equidistantly set in the washing tank, wherein, each group of conical hopper is composed of multiple arc plates, water-permeable hole is opened on the arc plate;Up and down floating mechanism is set in the washing tank, wherein, when the parts needing to be cleaned are put into conical hopper to be cleaned, the force generated in the operation process of the mechanism, can drive the parts to float up and down in the conical hopper;The utility model avoids parts collision by the stepped diameter design of conical hopper, solves dead angle in combination with the dynamic cleaning mode driven by electric telescopic rod, ensures that parts are cleaned comprehensively and efficiently.

The application relates to the technical field of security cameras, and discloses a security camera with a timing self-cleaning screen function, which comprises a mounting frame, a camera main body is installed on the mounting frame, a fixing frame is arranged on the side, away from the mounting frame, of the camera main body, a protective lens, a centrifugal mechanism, a scraping mechanism and a spraying mechanism are arranged on the fixing frame, and a liquid storage tank is fixedly installed on the mounting frame. In the application, through cooperation of the centrifugal mechanism, the scraping mechanism, the spraying mechanism and forward and reverse rotation and speed change of a motor, two kinds of cleaning working states which do not interfere with each other and complement each other are realized; under the first working state, the motor drives the gear ring to rotate at a high speed and drives the protective lens to rotate synchronously, water droplets, snowflakes or dust attached to the lens are rapidly thrown away by centrifugal force, under the second working state, a complete wet cleaning process of spraying liquid to wet and soften stubborn dirt and then scraping off the dirt by the rubber strip is realized.

The invention provides a wine brewing wastewater treatment device, and belongs to the technical field of wine brewing wastewater mushroom dregs. Comprising a fermentation reaction bin, the top of the fermentation reaction bin is provided with a feeding pipe bin, one side of the feeding pipe bin is provided with an auxiliary agent bin, the top of the fermentation reaction bin is provided with a biological agent bin, and the side of the fermentation reaction bin is provided with a control center. By arranging the sprinkling adjusting assembly and the stirring and mixing assembly, a microbial agent and an auxiliary agent are fully contacted and mixed, the activity of the microbial agent is improved, the degradation process of the fermented glutinous rice wastewater is accelerated, the treatment efficiency is improved, meanwhile, the microbial agent is more uniformly distributed in the fermented glutinous rice wastewater through stirring, the consistent reaction effect of each area is ensured, and the treatment effect is improved. The phenomenon of insufficient local treatment is avoided, blockage is avoided, it is guaranteed that the microbial inoculum content concentration and the fermentation speed of all areas are equal, damage caused by device pressure drop during blockage is avoided, the service life of equipment is prolonged, and the production cost is reduced.

The utility model discloses a kind of mesh cleaning cloth, the utility model includes edge covering part and the grid part in the inside of edge covering part, the grid part includes connecting cloth, the opposite side of the connecting cloth is evenly arranged and is opened with several hexagonal mesh, the outer surface of the edge covering part is provided with micro magnetic adsorption strip, the micro magnetic adsorption strip is used for cleaning cloth to adsorb metal scrap in cleaning process.The utility model's edge covering part uses zoning design, and the four corner parts of edge covering part are provided with thickening area, effectively improve the wear resistance of cleaning cloth edge in high-strength wiping process, prolong the service life of cleaning cloth, overcome the defect that traditional cleaning cloth edge is easy to wear.The outer surface of edge covering part is provided with micro magnetic adsorption strip, the micro magnetic adsorption strip can effectively adsorb metal scrap or small iron powder in cleaning process, especially suitable for kitchen countertop, cooking plate or the area containing metal particles in industrial environment, significantly improve the functionality and cleaning effect of cleaning cloth.

The present invention discloses a device for removing the cuticle on the surface of sea cucumbers, and relates to the technical field of sea cucumber processing. The present invention comprises a device body, wherein a cleaning cylinder is fixedly installed inside the device body through a bracket, a collecting frame is fixed on one side of the device body, a spray device is arranged on the side of the cleaning cylinder, openings are provided on both sides and the bottom of the cleaning cylinder, a cleaning device is arranged inside the cleaning cylinder, and the cleaning device comprises a motor 1 and a motor 2, wherein the motor 1 is fixed on the outer wall of one side of the cleaning cylinder. The present invention, through the arrangement of the cleaning device, enables the cleaning brush cylinder to scrub the sea cucumbers in the lower arc shell and the upper arc shell, and at the same time, the cleaning brush cylinder and the sea cucumbers in the lower arc shell and the upper arc shell are in relative motion, and the relative motion can make the contact between the bristles of the cleaning brush cylinder and the surface of the sea cucumber more comprehensive, and can cover more surface areas, thereby improving the comprehensiveness and uniformity of cleaning.

The invention discloses a preparation method of a lavender hydrolat laundry detergent with active ingredients, which comprises the following steps: S1, preparing materials, using deionized water as a solvent, preparing lavender hydrolat as a flavoring agent, providing natural fragrance, improving the antibacterial property of the laundry detergent, using a surfactant for removing stains, and using the surface active agent for cleaning; the clothes are softer and more comfortable by using fabric care molecules, and the washing effect is improved by using a builder; s2, weighing the raw materials: metering and weighing the deionized water, the lavender hydrolat, the surfactant, the fabric care molecules and the builder, so that the weight of the raw materials reaches the formula proportion; the laundry detergent has the advantage of being convenient to use, and the problems that in the preparation process of an existing laundry detergent, synthetic essence is often used, too many chemical components possibly exist, potential risks are caused to the environment and human health, the content of active components in the existing laundry detergent is low, the dirt-removing ability of the laundry detergent is reduced, and the cleaning effect of clothes is affected are solved.

The invention relates to an antibacterial cleaning agent and a preparation method thereof, the antibacterial cleaning agent comprises the following components: 1%-5% of polyether, 1%-5% of fatty alcohol polyoxyethylene polyoxypropylene ether, 0.1%-1% of ethylene diamine tetraacetic acid tetrasodium salt, 0.1%-1% of ethylene diamine tetraacetic acid disodium salt, 0.1%-0.5% of zinc diricinoleate, 0.01%-0.05% of essence, 0.001%-0.003% of 1, 2-benzisothiazole-3-ketone, the balance of water, and 5-100 ppm of nano silver. Through compounding of the non-surfactant, the chelating agent, the buffering agent, the deodorant, the preservative, the enzyme and the nano-silver, bacteria and fungi can be effectively inhibited, it is guaranteed that the used diluent does not stink within 24 h, and meanwhile the good defoaming property and decontamination effect are achieved.

The invention belongs to the technical field of nuclear facility decommissioning, and particularly discloses an underwater laser cleaning and cutting combined machining device and a using method, cleaning and cutting are achieved through refraction and reflection of cleaning laser by scanning an X / Y-axis galvanometer set and a dichroscope and transmission of cutting laser by the dichroscope, and coaxial focusing is achieved through a common field lens; a gas-liquid coaxial composite nozzle is arranged at the bottom, and center auxiliary airflow and annular high-pressure laminar flow water can be independently regulated and controlled; millisecond-level process switching is matched, and instant cutting is carried out after cleaning is completed at the same underwater station. Aiming at the problems of low efficiency, high safety risk, more secondary pollution, poor cutting quality and the like in the decontamination and disintegration process of the high-level metal part of the nuclear power station, the invention does not generate radioactive waste liquid, effectively avoids secondary pollution, remarkably improves the cutting quality, the operation safety and the system reliability, and is suitable for green and efficient retirement operation in a high-radioactivity environment.

The utility model relates to the technical field of cleaning, in particular to a water treatment system and device.The water treatment system comprises a water flow channel, a weakening module, an ozone generation module and a micro-nano bubble generation module which are sequentially arranged in the water flow direction of the water flow channel, the alkalescence module can make water become alkalescent, and the micro-nano bubble generation module can generate micro-nano bubbles into the water flow channel, so that ozone generated by the ozone generation module can be stored in the micro-nano bubbles. According to the utility model, water can be weakly alkalized, and the solubility of ozone in water can be increased through the cooperation of the micro-nano bubble generation module and the ozone generation module, so that the sterilization and decontamination capabilities are improved.

The utility model discloses a simulation decontamination device of ecological ditch, including the ditch, the matrix of the bottom of ditch is laid and plants hydrophyte can adsorb pollutant, the first side of ditch is equipped with a plurality of first fender, the second side of ditch is equipped with a plurality of second fender, the first fender with the second side of ditch has the gap between, the second fender with the first side of ditch has the gap between, a plurality of the first fender with a plurality of the second fender alternate arrangement, the first fender with the second fender between adjacent has the gap. The utility model has the advantages of simple structure, simulation effect is good and decontamination ability is strong.

The invention relates to the technical field of nuclear facility radioactive chemical decontamination, in particular to a pressurized water reactor nuclear power station component detergent, a preparation method and a decontamination device.The pressurized water reactor nuclear power station component detergent comprises a rationing assembly, an ultrasonic motor and a frame arranged at the bottom end of the ultrasonic motor, and a water pump is installed at the top end of the frame; the side wall of the water pump is provided with a distribution tank used for containing ingredient raw materials, and the bottom end of the distribution tank is provided with a conveying pipe; the decontamination assembly comprises a water tank arranged at the top end of the frame, a decontamination piece used for containing a decontamination agent is installed at the top end of the water tank, the stirring box can be sealed by moving one half of a protruding plate upwards, at the moment, a cleaning piece is started to clean a workpiece, the workpiece is cleaned up and down at the same time, the cleaning efficiency of the workpiece can be effectively improved, and the cleaning efficiency of the workpiece is improved. The detergent is simple in component, easy to prepare, low in toxicity or non-toxic, and good in compounding performance of the components, and the raw materials are easy to obtain.

The application discloses a reverse osmosis membrane flushing system for water preparation and bubble water preparation waterway, which comprises a water inlet and an air inlet, the water inlet is connected with a pre-filter element, the pre-filter element is connected with a first water inlet valve and a second water inlet valve, the first water inlet valve is connected with a booster pump, the second water inlet valve is connected with a pressure stabilizing valve which is connected with an air and water inlet module, the air and water inlet module is provided with a first water inlet joint, a first air inlet joint and a first water outlet joint, the air inlet is connected with an air inlet valve which is connected with the first air inlet joint, the first water outlet joint is connected with the booster pump, the booster pump is connected with a reverse osmosis membrane filter element, the reverse osmosis membrane filter element is provided with a second water inlet joint, a pure water joint and a waste water joint, the pure water joint is connected with a post-filter element which is connected with a pure water valve and a pure water outlet, the waste water joint is connected with a waste water valve and a bubble water mixing module, the waste water valve is connected with a waste water outlet, the bubble water mixing module is provided with a third water inlet joint and a bubble water joint, the bubble water joint is connected with a bubble water valve, and the bubble water valve is connected with a bubble water outlet.

This application relates to the field of laundry detergent processing technology, specifically disclosing a color-protecting and color-preserving compound additive, its preparation method, and its application. The color-protecting and color-preserving compound additive is mainly composed of the following raw materials in parts by weight: 10-20 parts polyvinylpyrrolidone, 15-25 parts modified starch, 3-5 parts dihydrazine adipic acid, 15-25 parts sodium carbonate, 6-10 parts sodium carboxymethyl cellulose, 8-12 parts zeolite 4A, 8-12 parts sodium sulfate, and 11-15 parts water. The modified starch is obtained by first grafting starch with 3-chloro-2-hydroxypropyltrimethylammonium chloride and 1-chlorohexane-5-en-2-ol, and then polymerizing it with diacetone acrylamide. This color-protecting and color-preserving compound additive, with the addition of polyvinylpyrrolidone to the raw materials, synergistic effects with the modified starch, and cross-linking with dihydrazine adipic acid, exhibits high color-protecting and color-preserving effects, maintaining the original color of clothing, extending the service life of clothing, and meeting market demand.

The embodiment of the utility model provides clothes treatment equipment which comprises a barrel assembly, a water path, an ozone generator and an ozone catalysis unit, the barrel assembly comprises a clothes treatment barrel, and the water path is communicated with the barrel assembly; the ozone generator is used for providing ozone for water in the water path and / or the barrel assembly; the ozone catalysis unit at least comprises an ozone catalyst, and the ozone catalysis unit is arranged in the clothes treatment drum and used for carrying out a chemical reaction with ozone in water and water. According to the clothes treatment equipment, the ozone catalyst can catalyze water-soluble ozone in the clothes treatment barrel in the clothes treatment barrel, the ozone catalyst decomposes ozone into oxygen and hydroxyl free radicals with high oxidability in the clothes treatment barrel, and therefore the generation position of the hydroxyl free radicals is close to the dye decolorization position of clothes, and the dye decolorization effect of the clothes is improved. Hydroxyl radicals are efficiently utilized in the washing process, decolorizing dye can be rapidly decomposed, the cross dyeing problem in the shuffling process is reduced, and the sterilization, disinfection and decontamination effects are improved.

This utility model discloses a cleaning agent container, which relates to the field of cleaning equipment technology. The cleaning agent container includes a bottle body with a partition plate rotatably connected inside the bottle body and a pair of baffles fixedly connected inside the bottle body. A pressing component is connected to one end of the partition plate that passes through the bottle body. Both sides of the partition plate are rotatably connected to a mixing shaft, and mixing blades are fixedly connected to the mixing shaft. By pressing down on the pressing component, the partition plate can be rotated inside the bottle body, and the mixed liquid rotates under the action of water flow, thereby improving the mixing effect of the cleaning agent and making it more convenient to use. Furthermore, the setting of the baffles on both sides helps to further improve the sealing effect of the partition plate when it is in contact with the baffles.

The present invention belongs to the technical field of internal contamination of valve chambers, and specifically relates to an automatic device and method for removing radioactive contamination from valve chambers, including a movable trolley, a filter, a fluid transmission pump, a mechanical arm, and a connecting pipe. The device and method can replace manual work to automatically remove radioactive substances deposited inside the valve chamber, residual radioactive liquid, and metal particles generated by grinding, thereby reducing the risk of radiation exposure and contamination of personnel, improving the decontamination effect, reducing the radiation source items of the unit, reducing the amount of radioactive waste generated, and improving on-site work efficiency.

The invention discloses a baseball leather treatment process. The baseball leather treatment process comprises the following steps: S1, soaking and fleshing; s2, unhairing expansion and re-liming; s3, decolorizing and bleaching; s4, pickling treatment; s5, carrying out chrome-free tanning, taking out of a drum and squeezing water; s6, slicing and peeling, rinsing and neutralizing; s7, fat liquoring and retanning; and S8, vacuum milling. According to the method, the defects in the prior art are overcome, two-step shaping is adopted in the chrome-free tanning step and the drum-out wringing step, the leather treated according to the scheme is in a half-cooked state instead of being treated to be in a full-cooked state, and the baseball made of the leather can be shrunk when being hit in the hitting process, so that the leather is more comfortable to wear. However, leather tanned in the prior art can expand and loosen after being used for a period of time, and the leather tanning agent has high social use value and application prospects.

The application relates to the technical field of household appliances, and discloses a cleaning brush and a control method thereof. The cleaning brush comprises a main machine, a handle and a machine head. The machine head is connected with the main machine and comprises a water tank and brush hairs. Cleaning medium is arranged in the water tank, and the brush hairs are arranged at the bottom of the water tank. An atomizing water spraying device is arranged at the bottom of the water tank and communicates with the inside of the water tank. The other end of the atomizing water spraying device is provided with a nozzle. The atomizing water spraying device is used for atomizing the cleaning medium and spraying the atomized cleaning medium to a surface to be cleaned and the brush hairs. Compared with the related art, the water tank and the atomizing water spraying device are integrated in the brush head, so that an additional handheld water pipe, a shower for humidification or frequent wetting of the brush hairs is not needed, the cleaning operation process is simplified, and the use convenience is remarkably improved.

The invention relates to the technical field of decontamination, and discloses a novel vehicle-mounted water spraying system which comprises a spraying module, water spraying equipment and an electric control cabinet, the spraying module comprises a plurality of spraying pipelines, and the water inlet end of each spraying pipeline is provided with a clear water valve and a liquid medicine valve in parallel; the water spraying equipment comprises a decontamination liquid module and a heating module arranged on the decontamination liquid module, a clear water passage and a liquid medicine passage are arranged in the decontamination liquid module, the clear water passage is connected to a clear water valve, the liquid medicine passage is connected to a liquid medicine valve, and the heating module is used for heating water in the decontamination liquid module. The decontamination efficiency can be effectively improved.

The utility model discloses a redryer tobacco leaf conveying mesh belt cleaning device which comprises a spray-washing mechanism and a blowing drying mechanism, the spray-washing mechanism comprises an upper spray-washing mechanism, a lower spray-washing mechanism, a high-pressure pump and a water tank, the water suction end of the high-pressure pump is connected with the water tank, and the drainage end of the high-pressure pump is connected with the upper spray-washing mechanism and the lower spray-washing mechanism. The upper spray-washing mechanism and the lower spray-washing mechanism are arranged on the upper side and the lower side of the conveying mesh belt correspondingly and spray high-pressure washing water to the conveying mesh belt from the upper portion and the lower portion correspondingly. The blowing and drying mechanism comprises a high-pressure fan, a gas heating device and an air knife, the air knife is arranged on one side of the upper spraying and washing mechanism and located on one side of the moving direction of the conveying mesh belt, the air knife is provided with a narrow and long air outlet facing the conveying mesh belt, and airflow generated by the high-pressure fan enters the air knife after being heated by the gas heating device; the air is blown to the spray-washed conveying mesh belt through the narrow and long air outlet; according to the utility model, the conveying mesh belt can be spray-washed and quickly dried, so that the production efficiency of the redrying machine is effectively ensured.

The application discloses a water-based coating remover for aviation composite paint, which comprises the following components in percentage by mass: paint removal composition 10-25%, surfactant 1-6%, chelating agent 1-5%, corrosion inhibitor 1-5%, stabilizer 0.1-1%, and water; the paint removal composition comprises a paint removal degradation component and a penetrating agent, and the paint removal degradation component is selected from sodium hydroxide and monoethanolamine at a mass ratio of 1:1-1:2. The water-based coating remover for aviation composite paint is environmentally friendly, has low corrosion, is suitable for ultrasonic removal working conditions, has excellent chemical and physical stability in a severe cavitation environment, can remove high-performance organic-inorganic composite paint coatings attached to the surfaces of key components such as high-pressure turbine discs, low-pressure turbine discs and sealing rings, ensures that the paint removal process is continuous and efficient and does not cause damage to expensive base materials, and is suitable for the maintenance and removal of coatings of high-temperature components such as aircraft engines.

The utility model relates to a curtain fabric surface decontamination treatment device, and aims to solve the problems that in the cleaning process of current curtain fabric cleaning equipment, cleaning liquid is mostly manually added into cleaning water, so that the cleaning liquid cannot be in full contact with curtain fabric, the decontamination effect of the curtain fabric is poor, and the cleaning efficiency is high. The device comprises an adding mechanism, the adding mechanism comprises a feeding port formed in one side of the top end of a cleaning box, cleaning liquid storage boxes are arranged on the two sides of an inner cavity of the feeding port, and the upper ends and the lower ends of the cleaning liquid storage boxes are open; connecting plates are fixedly connected to the two sides of the bottom of the cleaning liquid storage box, and an adding roller is rotationally connected between the two connecting plates through bearings, it is guaranteed that cleaning liquid makes full contact with curtain fabric, the decontamination effect of the curtain fabric is improved, and the decontamination quality of the curtain fabric is further improved.

The invention discloses a composite laser decontamination method for radioactive decontamination of a nuclear power station component, and the decontamination method comprises the following steps: taking a contaminated workpiece, respectively scanning the surface radioactivity and shape of the workpiece, and generating a workpiece pollution distribution diagram; according to the pollution distribution condition of the workpiece pollution distribution diagram, the pollution degree is judged; the condition of attachments on the surface of the workpiece is detected, and an efficient nanosecond laser, an ultrahigh-energy nanosecond laser or an efficient picosecond laser is selected to clean the workpiece according to the condition of the attachments; secondly, secondary attachment detection is conducted on the cleaned workpiece, and if attachments still exist, the first step is repeated till no attachments exist. Different laser decontamination modes are adopted for workpiece attachments with different contamination degrees and different thicknesses, the decontamination effect is improved, and resource waste is prevented.

The invention discloses a screen decontamination structure based on wiping cloth caching, segmentation and continuous wiping, the screen decontamination structure comprises wiping cloth, a wiping head and a lifting driver, the wiping head abuts against the wiping cloth to press down to form a V-shaped wiping section, and the screen decontamination structure further comprises a wiping seat matched with the wiping head, a wiping power device and a caching unit. On one hand, on the basis of caching and releasing, the V-shaped wiping angle of the wiping cloth is changed without depending on elastic deformation, the wiping face of the segmented wiping cloth can be replaced in the wiping process, and the probability that stains are attached to a screen again is reduced while the dirt removing capacity is improved; on the other hand, on the basis of follow-up attachment of the wiping section and the wiping head and synchronous reciprocating along the width of the wiping cloth, the formed wiping force is balanced, wide coverage type decontamination is achieved, the decontamination quality is good, and the residual rate of stains or dust is low; in addition, the adopted wiping cloth is used for wiping in a sectional mode, and the consumption of the wiping cloth is small.