53results about How to "High decontamination rate" patented technology

A method for sterile packaging of a plurality of containers is provided that includes: providing a carrier in which a plurality of receptacles are formed, the receptacles being formed by a closed bottom and a circumferential side wall, the upper ends of the receptacles, which are opposite to the respective bottom, are open and circumferential connecting webs are provided at the upper ends; placing the containers in the receptacles; providing a gas-impermeable protective foil; bonding the protective foil along the connecting webs with the upper surface of the carrier to package all the receptacles with the containers accommodated individually therein; and sterilizing the receptacles with the containers accommodated therein and / or the inner volumes of the containers by a gas flowing into the receptacles and / or into the inner volumes of the containers through at least one gas-permeable portion.

The invention discloses electrolyte capable of removing nuclear pollution, which is composed of deionized water and additives, wherein the additives comprise 25-65g / L of sodium sulfate, 25-65 g / L of sodium potassium tartrate tetrahydrate and 5-50 g / L of ethylene diamine tetraacetic acid corresponding to the deionized water. The invention further discloses a movable cathode electrochemical cleaning device, which comprises a handle, a support member, a cathode electrode, a porous material, an electrolyte conveying pipeline and an electrolyte conveying guide line. The handle is arranged on the support member, the cathode electrode is arranged at the bottom of the support member, the porous material is connected at the bottom of the cathode electrode, the electrolyte conveying pipeline and the guide line are both connected with the cathode electrode, and the cathode electrode is provided with a through hole communicated with the porous material. The electrolyte is high in dirt removing rate, short in processing time, small in corrosion on metal devices and materials, can be used for performing electrochemical cleaning processing on metal devices with large volumes or different to move, fast and efficient in dirt removing, few in secondary pollutants and favorable for promotion and application of the electrochemical cleaning technology.

The invention relates to the technical field of medical instruments, in particular to a washing-disinfecting liquid and a disinfecting-washing bag thereof for skin and wounds with radionuclide contamination. The invention discloses a washing-disinfecting liquid for radioactive skin contamination, which is characterized in that the washing-disinfecting liquid contains 0.5 to 10 percent of EDTA, 0.5 to 10 percent of citric acid, 0.5 to 10 percent of super sodium chloride, and 0.5 to 10 percent of aqueous solution of fatty alcohol sodium sulfate. The invention also discloses a washing-disinfecting bag for radioactive skin contamination, which is characterized in that the washing-disinfecting bag comprises the washing-disinfecting liquid. The washing-disinfecting liquid has the advantages of high decontamination rate and no stimulation to skin or wounds. The washing-disinfecting bag adopting disposable packaging has the characteristics of small volume, convenience for carrying and storage and convenient quick use. When the radionuclide contamination of the skin and the wounds is removed, the washing-disinfecting liquid and the disinfecting-washing bag need no washing, produce little secondary pollution, and ensure good decontamination effects, so the washing-disinfecting liquid and the disinfecting-washing bag can be allocated to personnel engaged in nuclear power, nuclear reactors, radiation devices and other radiation work in the army or local places in order to implement radioactive washing and disinfecting in nuclear accident emergency.

The invention discloses an efficient degreasing cleaning agent, which consists of the following components in parts by weight: 5 to 15 parts of fatty glyceride, 2 to 5 parts of borax, 10 to 12 parts of mono ethanol amine, 5 to 10 parts of sodium metasilicate, 2 to 5 parts of sulfonic acid, 3 to 6 parts of borax, 1 to 2 parts of sodium silicate, 5 to 8 parts of starch and 20 to 40 parts of distilled water. According to the efficient degreasing cleaning agent, a reasonable formula is adopted; the efficient degreasing cleaning agent has good using effects, and is low in production cost, small in using amount, short in cleaning time, low in cleaning temperature, high in degreasing rate, low in toxicity, small in irritation and high in old viscous grease dirt removal capability.

The invention discloses a medical material cleaning and drying device. The cleaning and drying device comprises a cleaning tube, a water tank, a spraying pipe, a motor and a hot-air blower; the cleaning tube is transversely laid in the water tank, a transmission shaft is outwards installed at one end of the cleaning tube along the shaft center and is connected with the motor, a cardan joint is installed in the middle of the transmission shaft; a through hole is formed in the other end of the cleaning tube, the spraying pipe penetrates into the tube along the through hole of the cleaning tube, and a plurality of adjustable spraying heads are sequentially distributed on the spraying pipe; and a telescopic support used for adjusting the inclination angle of a tube body is installed below the cleaning tube, and a rolling wheel is installed between the telescopic support and the tube body. According to the medical material cleaning and drying device, the functions of cleaning and drying are integrated, the structure is simple, and use is convenient.

The invention relates to a carburetor cleaning agent and a preparation method thereof and belongs to the field of automobile aerosol fine chemicals. The carburetor cleaning agent comprises a material liquid and a propellant. The material liquid comprises, by weight, 10-60 parts of toluene, 10-60 parts of dichloromethane, 1-10 parts of ethanol, 1-10 parts of ethylene glycol ethyl ether, 1-10 parts of propylene glycol methyl ether, 0.01-3 parts of polyisobutylene phenol, 0.01-3 parts of polyisobutene succinimide and 0.01-0.5 parts of a corrosion inhibitor. The propellant comprises, by weight, 30-90 parts of dimethyl ether, 10-40 parts of propane and 5-25 parts of butane. The carburetor cleaning agent has good and stable cleaning effects, a good decontamination capability, large pressure and a low price.

The invention provides an electrolytic decontamination method, and belongs to the technical field of pipe processing. The electrolytic decontamination method comprises the steps of electrolytically decontaminating a radioactively contaminated metal pipe under the action of conductive balls by using titanium as an anode and platinum as a cathode under ultrasonic conditions, wherein the ultrasonic frequency is 20-40 kHz. The ultrasonic is added in the electrolysis process, and high-speed micro jet generated by ultrasonic cavitation strengthens the stirring action of an electrolyte in the electrolysis process, strengthens the transport capacity of ions in the electrolyte, reduces the thickness and the concentration gradient of a diffusion layer, reduces concentration polarization, and optimizes the electrolytic decontamination conditions. The ultrasonic can permeate the surface and the gap of the contaminated metal pipe, so that the decontaminated metal surface is thoroughly cleaned, andthe electrolytic decontamination efficiency is improved. From an embodiment, the surface decontamination rate and the electrolysis depth of a metal material are significantly improved after the ultrasonic is added.

The invention provides a daily maintenance processing method for pulling steel wire ropes during operation of an intelligent elevator. The daily maintenance processing is completed by the cooperationof a weighted base, cylinders, an extrusion frame and maintenance units. The daily maintenance processing method can solve the problems that the maintenance of the steel wire ropes mainly depends on manual operation of maintainers, the manual maintenance is poor in effect, low in efficiency and long in time, which causes the elevator to stop for a long period of time to bring great inconvenience to users, and at the same time, the waste of lubricating oil is caused easily in oiling.

The invention relates to an efficient carburetor cleaning agent and a preparation method thereof, and belongs to the field of aerosol fine chemicals for automobiles. The carburetor cleaning agent is composed of material liquid and a propellant, the material liquid is prepared from, by weight, 10-60 parts of methylbenzene, 10-60 parts of dichloromethane, 1-10 parts of ethyl alcohol, 1-10 parts of ethylene glycol ethyl ether, 1-10 parts of propylene glycol methyl ether, 0.01-3 parts of polyisobutylene phenol, 0.01-3 parts of polyisobutene succinimide, 0.01-10 parts of isopropylbenzene and 0.01-0.5 part of corrosion inhibitor, and the propellant is prepared from, by weight, 95-99 parts of dimethyl ether and 1-5 parts of compressed carbon dioxide. The carburetor cleaning agent is good and stable in cleaning effect, high in stain removing capacity, high in pressure and low in price.

The present invention relates to an efficient micro-bubble environmentally-friendly water-based metal cleaning agent, which comprises the following raw material components by weight: 2-6% of a polycarboxylic acid chelating agent, 0.1-0.7% of borax, 0.1-0.5% of EDTA, 3.0-8.0% of sodium silicate, 1.0-4.0% of urea, 8.0-18.0% of triethanolamine, 3.0-8.0% of an anti-rust agent, 0.1-0.3% of a copper corrosion inhibitor T706, 1.0-3.0% of sodium carbonate, 2.0-8.0% of triethanolamine oleate soap, 6-18% of a nonionic surfactant, 1.0-3.0% of an anionic surfactant, 1.0-3.0% of a cationic surfactant, 1.0-4.0% of a cosolvent, and the balance of water. According to the present invention, the efficient micro-bubble environmentally-friendly water-based metal cleaning agent can be prepared into different concentrations of cleaning liquids, has characteristics of convenient operation and convenient use, and can be used for cleaning various metal surfaces; the components of the formula contain sodium silicate, such that the decontamination rate can be improved, and the corrosion inhibition effects on aluminum and other metals can be enhanced; and the efficient micro-bubble environmentally-friendly water-based metal cleaning agent contains benzotriazole so as to provide good corrosion inhibition on non-ferrous metals.

The invention relates to a polyvinyl alcohol-based strippable film detergent, a preparation method and a use method thereof, and belongs to the technical field of application of polymer chemical detergents to nuclear facility surface radioactive decontamination. The polyvinyl alcohol-based strippable film detergent takes 100-300 parts by weight of polyvinyl alcohol as a main film-forming agent andwater as a solvent, and is added with the following components in parts by weight: 2-10 parts of a gelatinizing agent, 1-6 parts of a surfactant, 2-10 parts of an adhesive, 1-5 parts of a thickeningagent, 2-10 parts of a reinforcing agent, 0.5-2.0 parts of a composite chelating agent, 1-5 parts of a dispersing agent, 1-5 parts of a lubricating agent, 5-10 parts of a plasticizer and 2-8 parts ofa preservative, wherein the composite chelating agent is composed of EDTA-2Na and sodium tripolyphosphate according to a weight ratio of 1-3:1-3. The prepared strippable film detergent is excellent indecontamination performance, good in film-forming property, long in shelf life and good in strippability, and has very high application value.

The invention discloses an ultrasound thermal bonding high-density polyethylene composite fiber bundle for wiping. The bundle is at least integrally composed of 100 strands of composite fiber, in the structure of the cross section of single strand of composite fiber, isotactic polypropylene or polyester is adopted as a core, high-density polyethylene is adopted as a coating material on the outer surface of the core, the outer surface of the coating material high-density polyethylene is provided with a groove, the outer surface of the coating material high-density polyethylene is coated with an oil layer, the oil layer is a surface active oil agent and an anti-static oil agent, the diameter of the composite fiber is 0.1-100 micrometers, the length of the composite fiber is 0.01-1,000,000 meters, the breaking strength is not lower than 2.5 cN / dtex, the elongation at break is 45-100%, the curl number is 0-50 / 25mm, the curvature is 0-30%, and the oil content is 0.001-1.8% (by weight). According to a producing method of the ultrasound thermal bonding high-density polyethylene composite fiber bundle for wiping, through ultrasound thermal bonding, whisker-materials for wiping are prepared. The ultrasound thermal bonding high-density polyethylene composite fiber bundle for wiping is high in dirt removal rate, and low in cost at the same time.

The disclosure of this application relates to a method and apparatus for removing a variety of contaminants from soil, sediment, fine sand and clay. The disclosure describes an apparatus in which contaminated material that is comprised of particles having a size less than about 5 mm in diameter are injected from a nozzle (231) into a zone of discharge from one or a number of nozzles (500). These nozzles (500) are positioned to discharge liquid or cleaning fluid at a pressure from about 2000 psi to about 20,000 psi. The cleaned material is then collected and separated into liquid and solid phases. The solids, when cleaned by the use of this apparatus, can then be returned to the site without danger of contamination of the surrounding area and no disposal costs are incurred for disposition of contaminated soil.

The invention belongs to the field of nuclear power protective coatings, and particularly relates to an epoxy resin coating and a preparation method and application thereof. The epoxy resin coating provided by the invention comprises a base material and an amine curing agent, and the base material comprises organic silicon oligomer modified self-emulsifying epoxy resin, an inorganic hydration material, mineral fibers, a radiation-resistant filler and a wetting dispersant in specific parts by weight. The epoxy resin coating provided by the invention has excellent irradiation resistance, chemical medium tolerance and corrosion resistance; meanwhile, the solid content of the coating is high, the film thickness of single-channel construction reaches up to 200 mum without cracking, and the coating can be directly applied to the surface of concrete without putty.

The invention relates to a traditional Chinese medicine skincare laundry detergent and a preparation method thereof. The laundry detergent is prepared from, by mass, 20-50 parts of Fructus Gleditsiae, 15-25 parts of honeysuckle flower, 3-9 parts of pearl powder, 2-6 parts of clove, 1-5 parts of Fructus Gardeniae, 5-9 parts of Folium Artemisiae Argyi, 6-12 parts of Folium Perillae, 10-20 parts of Radix Polygoni Multiflori, 3-7 parts of Fructus Lycii, 1-3 parts of lily, 2-4 parts of dandelion, 1-3 parts of Radix Polygonati Officinalis, 2-5 parts of Radix Astragali, 3-6 parts of Fructus Cnidii, 1-3 parts of mint and 1-3 parts of aloe. The laundry detergent is natural, environment-friendly, free of harmful ingredients, mild in performance, capable of protecting hand skin, simple to prepare, suitable for large-scale production and high in deterging rate.

The invention relates to a preparation method of a traditional Chinese medicine liquid laundry detergent containing a honeysuckle extract, and belongs to the field of liquid laundry detergents. The preparation method comprises: preparing a honeysuckle extract, adding alkyl glycoside, fatty alcohol polyoxyethylene ether, fatty amide propylammonium oxide, dodecyl dimethylbenzyl ammonium chloride, potassium sorbate, sodium alginate, chitosan, disodium ethylenediaminetetraacetate, citric acid, essence, an industrial salt and the like, and preparing the liquid laundry detergent. According to the present invention, the traditional Chinese medicine liquid laundry detergent has advantages of good sterilization effect, mild property, health, environmental protection, hand skin protection, simple preparation method and high decontamination rate, and the preparation method is suitable for large-scale production.

The invention provides an alkaline pullulanase transformed in a site-specific mutagenesis mode, and application thereof. According to the alkaline pullulanase transformed in the site-specific mutagenesis mode, on the basis of the amino acid shown in SEQ ID NO.2, phenylalanine at the 744 position is mutated into alanine; mutant F744A transformed Escherichia coli is subjected to heterologous expression, and it is found that the enzyme activity of a mutant is improved by 32.18%; thermal stability is also improved, and T<50><30> is 55.84 DEG C and is improved by 2.94 DEG C compared with an original enzyme PulSL3 delta C; and the pH stability range of the mutant F744A is wider, and after heat preservation is conducted for one hour within the pH range from 5.0 to 10.0, 90 % or above of the enzyme activity can still be retained. The alkaline pullulanase serves as an additive to be applied to the detergent industry, and the washing effect can be improved obviously.

The invention relates to a preparation method of a traditional Chinese medicine liquid laundry detergent containing a chamomile extract, and belongs to the field of liquid laundry detergents. The preparation method comprises: preparing a chamomile extract, adding alkyl glycoside, fatty alcohol polyoxyethylene ether, fatty amide propylammonium oxide, dodecyl dimethylbenzyl ammonium chloride, potassium sorbate, sodium alginate, chitosan, disodium ethylenediaminetetraacetate, citric acid, essence, an industrial salt and the like, and preparing the liquid laundry detergent. According to the present invention, the traditional Chinese medicine liquid laundry detergent has advantages of good sterilization effect, mild property, health, environmental protection, hand skin protection, simple preparation method and high decontamination rate, and the preparation method is suitable for large-scale production.

The invention relates to a water treatment method, and particularly relates to a sewage purifying method. The sewage purifying method includes steps of (1), pretreatment: pre-treating sewage, and removing suspends / floats and impurities in the sewage; (2), vortex micro-flocculation treatment: adding coagulant in the water acquired through pretreatment or adding coagulant and coagulant aids, performing vortex micro-flocculation treatment; (3), microfiltration: micro-filtering water body acquired through vortex micro-flocculation treatment, intercepting particles of which grain diameter is more than 10 miu m in the water body; acquiring the purified water and sewage. The sewage purifying method is short in water retention time, and high in handling efficiency, sewage removal rate and outer producing rate.

The invention relates to a hard medium surface radioactive contamination rapid cleaning device and a cleaning method, and belongs to the field of radioactive contamination controlling and cleaning. Avacuum dust removing device and multiple groups of water mist dust removing devices are arranged on a device case body, the dust absorbing port of the vacuum dust removing device is connected with a vacuum pump A after the vacuum dust removing device is connected with a filter net through a dust absorbing pipeline A, multiple dust shielding chambers of the high-pressure water mist dust removing devices are connected with the device case body through mechanical arms, high-pressure water pipes in the dust shielding chambers are connected with a water tank through high-pressure pumps, a dust removing pipeline B is connected with a circulation filtering device, the circulation filtering device is connected with a liquid waste deep filtering device, a solid waste storage chamber and a vacuum pump B, and the liquid waste deep filtering device is communicated with the water tank through a filtering liquid back flowing pipe. By means of the device, contamination cleaning can be rapidly completed through operation for one time, the sewage cleaning rate is high, the waste amount is low, secondary pollution does not generated, and the difficult problems of rapid and efficient cleaning of hardmedium surface radioactive contamination can be better solved.

The invention discloses a method for preparing a water-based oil stain cleaning agent and belongs to the field of cleaning agent preparation. The method comprises the steps of drying picked fresh tobacco leaves in the sun, conducting fire-curing on the tobacco leaves with sulphur powder till the tobacco leaves get yellowed, then burning the tobacco leaves, collecting and placing tobacco tar into a cable type extractor, conducting extraction with ethyl alcohol, concentrating and mixing the extraction liquid with surfactant, conducting centrifugation to obtain supernatant, then adding the obtained tobacco tar, conducting stirring so that the mixture can be dissolved sufficiently, then conducting extraction with diethyl ether, concentrating and mixing extraction liquid with surfactant once again, and conducting centrifugal separation to obtain the water-based oil stain cleaning agent. The method has the advantages that the preparation method is simple, and the stain removal rate of an obtained product is 12% and above higher than that of other types of cleaning agents; the using effect is good, and the capability of removing old sticky oil stains is great.

The invention discloses a preparation method of a traditional Chinese medicine laundry detergent containing cortex phellodendri extract, and belongs to the field of laundry detergents. The preparation method comprises the following steps: preparing cortex phellodendri extract, adding alkyl glycoside, fatty alcohol-polyoxyethylene ether, fatty acid amide propyl ammonium oxide, dodecyl dimethyl benzyl ammonium chloride, potassium sorbate, sodium alginate, chitosan, ethylenediamine tetraacetic acid disodium salt, citric acid, essence, industrial salt and the like, thereby preparing the laundry detergent. The laundry detergent provided by the invention has a good sterilization effect, is gentle in performance, is healthy and environmentally friendly, and can protect skin of hands; the preparation method is simple, is suitable for large-scale production and is high in soil removal efficiency.

The invention discloses a modified functional silica gel material as well as a preparation method and application thereof. The modified functional silica gel material is obtained by carrying out quaternization or sulfonation reaction on a multifunctional cross-linked amino functional silica gel material. The modified functional silica gel material has the advantages of being good in adsorption effect, high in irradiation resistance, small in curing size and high in curing efficiency, and radioactive wastewater can be efficiently purified.

The invention discloses a cleaning agent of a myopic glasses lens and a reparation method thereof. The cleaning agent is prepared from the following ingredients in parts by weight: 15 to 20 parts of modified starch, 8 to 17 parts of dimethyl phosphate, 10 to 18 parts of N-methyl pyrrolidone, 5 to 12 parts of sodium lauroamphoacetate, 5 to 8 parts of sodium gluconate, 5 to 28 parts of sodium tetraborate, 20 to 25 parts of sodium xylene sulfonate, 1 to 10 parts of glycol, 0.1 to 0.5 part of ethanediamine and 40 to 60 parts of deionized water, wherein the modified starch is prepared by mixing starch, a dopamine solution and nanometer carbon particles. Compared with the prior art, the cleaning agent has the advantages that the stain removing capability is high; through the addition of modifiedstarch, the addition of surfactants, chelating agents and the like is reduced; the water consumption is low during the flushing; nanometer carbon and sulfonate ions achieve the cooperated effects; the growth environment of the bacteria can be damaged; the bacterium resistance time is prolonged; the sterilization effect is improved; the damage intensity on the blue light absorption layer on the myopic glasses lens is small.

The invention discloses an efficient printing ink cleaning agent and a preparation process thereof. The ink cleaning agent comprises disodium cocoamphoacetate, octadecyl dihydroxy ethylamine oxide, sodium dodecyl benzene sulfonate, ferulic acid, soybean saponin, sodium sulfonate, nonylphenol polyoxyethylene ether, thiourea dioxide, alpha-lipoic acid, sodium tripolyphosphate, isopropyl myristate, zinc naphthenate, methylisothiazolinone, diethylene glycol methyl ether, propylene glycol, ethyl alcohol and deionized water. The printing ink cleaning agent is good in stability, the decontamination rate of the printing ink cleaning agent for ink is as high as 90.4%-96.1% within 5 minutes according to tests, complete ink removal time is shorter than 430 seconds, removal efficiency is high, and the ink cleaning agent is free from corrosion and good in market prospect, does not damage printing machinery and consumables, can ensure good printing effects, and is quite suitable for serving as a special ink cleaning agent in printing industry.

The disclosure of this application relates to a method and apparatus for removing a variety of contaminants from soil, sediment, fine sand and clay. The disclosure describes an apparatus in which contaminated material that is comprised of particles having a size less than about 5 mm in diameter are injected from a nozzle (231) into a zone of discharge from one or a number of nozzles (500). These nozzles (500) are positioned to discharge liquid or cleaning fluid at a pressure from about 2000 psi to about 20,000 psi. The cleaned material is then collected and separated into liquid and solid phases. The solids, when cleaned by the use of this apparatus, can then be returned to the site without danger of contamination of the surrounding area and no disposal costs are incurred for disposition of contaminated soil.

The invention provides a daily maintenance and treatment method for the pulling wire rope of an intelligent elevator. The operation is completed by the cooperation of the weighted base, the cylinder, the extrusion frame and the maintenance unit. Manual maintenance is ineffective, inefficient, and takes a long time, which causes the elevator to stop for a long period of time, which brings great inconvenience to users. At the same time, it is easy to cause problems such as waste of lubricating oil during oiling.

The invention relates to a water trash-removal method by trash rack and floating mat net technology. According to its flowing law in water, trash is cleared step by step in trash rack system. Semi-sinking trash, obstructed by secret pile for trash rack in water, rushed slowly at lower part under the influence of continuous flowing dash, is cleared by person din boat. While trash at water surface sequentially goes forward, it is hold up by trash rack and floating mat net which has the separation angle angle beta corresponding to river bank. Water flows through mesh of trash rack and floating mat net and under trash rack and floating mat net, while trash, sequentially going in various direction under the effect of apparent force of water flowing and rebound force generated by water flowing net, is finally collected to the setting ideal trash-removal position, left from water by human or mechanical power and carried away by dirt-wagon. There are merits that less consuming, high clearing ratio for trash and so on.