52results 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.

A cleaning apparatus is provided to clean a sophisticated electric device. The apparatus has cleaning units and each of the cleaning units has a cambered top. Thus, coordinated with an actuating device, a sophisticated electric device can be cleaned by using the cleaning apparatus with cleaning units having cambered tops.

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 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 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 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 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 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 discloses a modified functionalized silica gel material and its preparation method and application; the modified functionalized silica gel material is obtained by subjecting a multifunctional cross-linked amino functionalized silica gel material to a quaternization or sulfonation reaction; The modified functionalized silica gel material has the advantages of good adsorption effect, strong radiation resistance, small curing volume and high curing efficiency, and can realize efficient purification of radioactive wastewater.