Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

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

Electrolyte capable of removing nuclear pollution and movable cathode electrochemical cleaning device

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.
Owner:广东白云国际科学研究院有限公司

Washing-disinfecting liquid and disinfecting-washing bag thereof for radioactive skin contamination

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.
Owner:NAVY MEDICINE RES INST OF PLA

Carburetor cleaning agent and preparation method thereof

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.
Owner:广州保赐利化工有限公司

Efficient micro-bubble environmentally-friendly water-based metal cleaning agent

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.
Owner:TIANJIN AOLUPU LUBRICATION TECH CO LTD

Ultrasound thermal bonding high-density polyethylene composite fiber bundle for wiping and producing method thereof

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.
Owner:JIANGSU ZHONGSHI FIBER CO LTD

Apparatus and method for removing contaminants from fine grained soil, clay and silt

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.
Owner:BIOGENESIS ENTERPRISES

Alkaline pullulanase transformed in site-specific mutagenesis mode, and application thereof

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.
Owner:FUZHOU UNIV

A kind of rapid removal equipment and method for radioactive contamination on the surface of hard medium

ActiveCN108565036BSolve the problem of fast and efficient removalHigh decontamination rateRadioactive decontaminationLiquid wasteRadioactive contamination
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.
Owner:UNIT 61489 OF PLA

Method for preparing water-based oil stain cleaning agent

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.
Owner:JIANGSU ZHENYU ENVIRONMENTAL PROTECTION TECH

Cleaning agent of myopic glasses lens and reparation method thereof

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.
Owner:苏新智能标签(江苏)有限公司

A daily maintenance and treatment method for pulling wire ropes in intelligent elevator operation

ActiveCN111762660B9Guaranteed decontaminationGuaranteed lubrication effectElevatorsControl theoryLubricant
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.
Owner:GUANGDONG HENGWEI ELEVATOR CO LTD

Method for treating sewage of water

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.
Owner:梁流辉 +1
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products