54results about How to "Non-oxidizing" patented technology

The invention belongs to the technical field of new environment-friendly materials, and particularly relates to a ceramal material for manufacturing hydrogen-enriched water and the preparing method and application thereof. The ceramal material is prepared from, by weight, 30-85 parts of base material component, 20-60 parts of hydrogen-enriched component, 2-25 parts of anti-microbial component, and 3-30 parts of binder. The base material component is prepared from tourmaline, serpeggiante, silicon oxide, calcium oxide and zeolite. The hydrogen-enriched component is prepared from magnesium metal powder, magnesia powder and KDF alloy powder. The anti-microbial component is prepared from zinc oxide, titanium oxide and cerium oxide. The binder is prepared from one or more of high-purity distilled water, carboxypropyl cellulose and bentonite. The ceramal material can be used for manufacturing alkalescent water, negative-potential water and hydrogen-enriched water and also has an anti-microbial function and a water activating function. The invention further provides the preparing method and application of the ceramal material. The technology is simple and easy to realize. The ceramal material can be applied to products including water purifiers, water purifying kettles and cups.

The invention discloses a preparation method for a polycarboxylic acid series comb-shaped surface active agent, which comprises the following steps of: mixing two comonomers, an initiator, a chain transfer agent and a solvent under the protection of nitrogen, heating to a reacting temperature for polymerization to obtain an intermediate polymer; adding a graft compound, a catalytic agent and a dissolvant into the intermediate polymer, carrying out graft reaction at graft temperature, decompressing and removing part of solvent in a reaction system after reaction, and then precipitating the product with a precipitator; dissolving filter cakes with the solvent; precipitating the dissolved solution with the precipitator again, dissolving repeatedly, precipitating again and then refining, and finally decompressing and drying the product to the constant weight. The preparation method has the advantages of reasonable technology, simple operation, low preparation cost, mild reacting conditions and good product quality.

The invention belongs to the field of new material technology for hydrogen production, and particularly relates to a multiple-efficiency water purification ceramic material as well as a preparation method and application thereof. The multiple-efficiency water purification ceramic material is prepared from the following raw materials: 30-50 parts of substrate component, 20-40 parts of hydrogen-richcomponent, 2-5 parts of antibacterial component and 3-10 parts of binder; wherein the substrate component is made from tourmaline, Shuiyuan stone, medical stone, calcium oxide and zeolite; the hydrogen-rich component is prepared from metallic magnesium powder, magnesium oxide powder, KDF alloy powder and three-dimensional graphene; the antibacterial component is prepared from far-infrared ceramicpowder, nanometer zinc oxide, titanium oxide and nanometer zirconium dioxide; the binder is prepared from highly pure distilled water, carboxypropyl cellulose and bentonite. The multiple-efficiency water purification ceramic material of the invention can not only produce hydrogen but also store hydrogen when being added to water, and can significantly increase the hydrogen content in the water. The invention also provides the preparation method and application of the multiple-efficiency water purification ceramic material, and the process is simple and easy to implement, and the multiple-efficiency water purification ceramic material is applied to products such as a water purifier, a water filter pitcher and a water cup.

The invention belongs to the technical field of welding of robots, and in particular relates to an autonomous mobile robot system for metal-inert-gas (MIG)/metal-active-gas (MAG) multilayer multipass welding of a large thick plate. The system comprises a robot body, a control system and an MIG/MAG welding system, wherein the robot body comprises a crawling mechanism and an operating mechanism; the control system comprises a sensing system, a robot body control box and a robot master control system; the MIG/MAG welding system comprises an MIG/MAG welding gun, an MIG/MAG welding power supply, a wire feeding machine, shielding gas and a weld cooling system; and the robot body, the control system and the MIG/MAG welding system are connected with one another through cables. The system has the advantages that a contact type magnet-wheel adsorption and non-contact type clearance adsorption composite mode and a three-wheel full-drive wheel type movement mode are used by the crawling mechanism, so that a robot can autonomously and flexibly move at all positions on the surface of an operating object, can be reliably adsorbed and can perform all-position welding operation, and the system is high in comprehensive performance.

The invention discloses a process method for separating zinc, iron and cobalt and nickel ore concentrates from cobalt and nickel slag. The method comprises the steps of: leaching, primary solid-liquid separation, oxidation and hydrolysis to separate iron element, secondary solid-liquid separation, oxidation and hydrolysis to separate cobalt and nickel elements, third solid-liquid separation and the like. The method solves the problem that raw materials are higher in price, complex in refining process, high in energy consumption and large in pollution of byproducts in conventional cobalt and nickel refining industry, and is suitable for the industry of smelting zinc by the wet method. Zinc metal and iron, and noble metals such as cobalt and nickel can be directly separated from cobalt and nickel slag with a simple process, low cost, short period, higher efficiency and low pollution.

The invention provides pre-gelatinized starch and a preparation method thereof. The pre-gelatinized starch comprises the following components in percentage by weight: 87.00-99% of pre-gelatinized tapioca starch, 0.1-1% of 2-methyl-4-isothiazolin-3-one (MI), 0.1-1% of 5-chloro-2-methyl-4-isothiazolin-3-one (CMI) and the balance of water. The product provided by the invention has the characteristic of perfect liquidity like fine sand, and the characteristic is very convenient to use on the site; although as a powdery product, the product does not generate dust and avoids harm to the physical health of workers on the site; after being added into water or slurry, the product can be automatically and uniformly dispersed and quickly dissolved, and the phenomenon of caking or fish eyes is avoided even without stirring; the requirement on the water loss of 4% salt water and saturated salt water slurry at normal temperature is met; the temperature resistance is good, and the acceptable temperature can reach 120 DEG C in 4% NaCl and saturated salt water slurry; and the product is not a toxic substance and does not have oxidability, corrosivity and radioactivity.

The invention discloses a black sand device and a preparation method thereof. The black sand device is prepared from the following raw materials in parts by weight: 50-80 parts of kaolin and 20-50 parts of carbon slag, wherein the mass percent of iron in the kaolin is 3-5%. }The preparation method comprises the following steps: pulping; forming; airing a billet; firing; glazing; and discharging. The obtained black sand device has specific black gloss, can not be oxidized, can not discolor and has firm texture. Experiments show that the black sand device has higher thermal stability and high temperature resistance, also has corrosion resistance, is harmless to human bodies, and is very suitable for cooking food in daily life.

The invention discloses a multi-functional blocking remover and a preparation method thereof. The multi-functional blocking remover is composed of functional components with different percentage contents and oilfield produced water, and a front near-well slug blocking remover, a multi-effect degradation slug blocking remover and a rear yield increase slug blocking remover are prepared according to a certain proportion. The multi-functional blocking remover provided by the invention has the advantages of immediate preparation, non-oxidizing property, simple construction process, high gel breaking rate (96.1% or more), wide applicable temperature range (20-120 DEG C), low corrosion rate (lower than 0.04 g/(m<2>. h), good safety and the like, can effectively remove various blockages such as scale, polymers, polymer gel and oil sludge generated in the ASP flooding profile control process, realizes recycling of oilfield produced water, is beneficial to improving the communication capacity between oil-water wells and delaying scale deposition, and can achieve multiple effects of dissolving, plug removal, deposition prevention, low-permeability reservoir pollution reduction, injection increase and pressure reduction and the like during application.

The invention discloses a pentazocine prodrug shown as a formula (I), a preparation method thereof and medical application of a pharmaceutical preparation containing the pentazocine prodrug, wherein Ris hydrogen or deuterium. The water solubility of the prodrug compound is improved by 20 times or above at room temperature, the prodrug compound is chemically stable, the onset time is delayed, thedrug effect is prolonged, meanwhile, the same parent drug blood concentration is generated at a low dosage, and the prodrug compound has a wide clinical application prospect.

Kitchen oil comes from the cooking process and needs to be cleaned frequently, otherwise it will not only affect the appearance, but also breed bacteria. Most of the existing detergent products contain strong alkaline components, volatile solvent components, oxidizing components, enzyme preparation components or components that are obviously harmful to the environment, which may have adverse effects on utensils, human bodies and the environment. Therefore, the present invention provides an environment-friendly high-efficiency kitchen oil stain cleaner, which comprises the following raw materials in weight percentage: 0.1-10% composite surfactant, 1-20% contact regulator, 1.5-40% reaction regulator, ion regulator 0.02-2% agent, and the rest is water, which has the advantages of high oil removal efficiency, safety and non-irritation, no obvious odor, no oxidation, stable and reliable.

The invention discloses a carbon commutator. The carbon commutator comprises copper brackets, an insulating pedestal and carbon sheet plates, wherein one surfaces of the copper brackets and the carbonsheet plates are in brazing connection under vacuum by using a solder paste; the insulating pedestal is arranged on the other surfaces of the copper brackets; longitudinal bulges arranged at junctions of the copper brackets and the insulating pedestal are implanted into the insulating pedestal; transverse bulges arranged at junctions of the copper brackets and the carbon sheet plates are embeddedinto the carbon sheet plates. The carbon commutator disclosed by the invention is high in strength of an overall connecting structure, good in firmness of connection between a carbon basic body and acommutator piece and long in service life. The invention further discloses a manufacturing method of the carbon commutator. The solder paste for bonding the copper brackets and the carbon sheet plates comprises multiple metal elements such as nickel, chromium, iron, silicon, boron and scandium, and a junction of the commutator piece and the carbon sheet plate of the carbon commutator prepared from the solder paste is a metal layer, so that bonding is tight and firm and the reliability is high.

The invention relates to an environmentally-friendly anticorrosion emulsion paint. The paint comprises the following constituent parts: 2-3 parts of polyvinyl alcohol, 1-2 parts of sodium hexametaphosphate, 9-12 parts of titanium oxide, 10-20 parts of deionized water and 20-30 parts of kaolin. The environmentally-friendly anticorrosion emulsion paint further comprises 1-5 pars of ethylene glycol. The environmentally-friendly anticorrosion emulsion paint also comprises 8-12 parts of talcum powder. The environmentally-friendly anticorrosion emulsion paint is not toxic, is tasteless, belongs to non-dangerous goods, is non-ignitable and non-explodable, does not have oxidability and has strong acid resistance and exposure resistance.

The invention provides a boiler descaling agent. The boiler descaling agent is prepared from the following ingredients in percentage by weight: 5% to 10% of citric acid, 6% to 10% of methylsulfonic acid, 10% to 16% of trisodium phosphate, 10% to 16% of sodium tripolyphosphate, 3% to 6% of penetrant, 4% to 10% of polyaluminum silicate sulfate and the balance of water. The descaling agent can be used for rapidly removing scales from a boiler, and the scales in the boiler can be cleared cleanly in 50 to 100 minutes.

The invention provides a preparation method of a sea salt disinfectant, which comprises the following steps: by taking seawater, brine or old brine as a raw material, purifying the seawater, brine or old brine, separating sodium chloride in the solution by adopting a nanofiltration membrane, then discharging, retaining the trapped fluid of the nanofiltration membrane, adding a small amount of chlorine-containing disinfectant solution, uniformly mixing, performing filling to obtain a disinfectant, and discharging the permeated fluid of the nanofiltration membrane. According to the preparation method of a sea salt disinfectant, a sea salt disinfectant used for sterilization of daily life, public places, breeding place environments, body surfaces of raised livestock, poultry and pets, plant leaf surfaces and the like is provided.