102results about How to "Fast degreasing" patented technology

The present invention relates to phosphorus-free degreasing powder. The phosphorus-free degreasing powder comprises, by mass, 2-20% of a surfactant, 10-40% of sodium hydroxide, 2-15% of a complexing agent A92R, 2-15% of a washing assistant SoKalan CP5, 10-30% of sodium carbonate, and 5-25% of sodium sulfate. The phosphorus-free degreasing liquid prepared by the phosphorus-free degreasing powder of the present invention does not contain phosphorus, and has characteristics of environment-friendly property, good cleaning effect, wide application range, and long service life, and the generated wastewater is easy to treat.

The invention relates to a degreasing agent for a permanent magnet material. The water-soluble degreasing agent comprises alkaline materials, a cleaning auxiliary agent and a surface active agent, wherein the alkaline materials are selected from at least two of sodium hydroxide, potassium hydroxide, sodium carbonate, sodium hydrogen carbonate, trisodium phosphate or sodium pyrophosphate; the cleaning auxiliary agent is selected from at least one of organic polybasic phosphonic cleaning auxiliary agents, or a mixture of at least one of the organic polybasic phosphonic cleaning auxiliary agents and at least one of inorganic phosphate cleaning auxiliary agents; and the surface active agent is a low-foam non-ionic surface active agent. According to the invention, the degreasing agent provided by the invention has good wettability, permeability and emulsibility, high degreasing speed, higher grease dirt capacity and long service life, and can prevent grease dirt from being adsorbed again; and meanwhile, by using the non-ionic surface active agent, the foam is little, the washing performance is superior, the water can be softened, and the corrosion of the permanent magnet material in the degreasing agent can be avoided.

The invention relates to a water-based cleaning solution for cleaning a printed circuit board, which is prepared from the following raw materials: 10-35% of fatty amine, 0.1-5% of alcohol amine compound, 10-35% of alcohol ester compound, 0.1-5% of surfactant, 0.1-5% of corrosion inhibitor and 25-75% of solvent. The cleaning solution is good in cleaning performance, free of damaging an ozone layer, and good in environment friendliness. The preparation method of the cleaning solution comprises the following processing steps: weighting materials of certain formula quantities according to a formula; adding the solvent in a reactor, adding the alcohol amine compound in the reactor and stirring uniformly; adding fatty amine in the reactor and stirring uniformly; adding the alcohol ester compound in the reactor and stirring uniformly; adding the surfactant in the reactor and stirring uniformly; and adding the corrosion inhibitor in the reactor and stirring uniformly to obtain the product. The method is simple in process, easy to operate and high in production efficiency.

The invention discloses a cationic polymer as well as a preparation method and application thereof. The cationic polymer is prepared by the following five process steps in sequence: metering and mixing, hydroxymethylation reaction, polycondensation, inhibition reaction and free formaldehyde elimination. The cationic polymer has the advantages of high cationic degree, high molecular weight, long storage life and low formaldehyde content, and can serve as a flocculating agent, a reverse-phase demulsifier, a water reducing agent for concrete or a treating agent of textile fibers.

The invention provides a method for manufacturing a ceramic earphone. The method comprises the following steps: pressurizing and mixing ceramic powder and an organic adhesive to form slurry, wherein the organic adhesive comprises 60-90 mass parts of POM, 10-20 mass parts of PE, 10-20 mass parts of EVA, 10-20 mass parts of PW and 5-10 mass parts of SA; extruding and granulating the slurry, thereby obtaining injection molding particles; performing injection molding on the injection molding particles by using a ceramic earphone mold, and generating a green body; performing catalytic degreasing on the green body, wherein the catalyst refers to 50-90 percent of nitric acid in the catalytic degreasing step; and sintering the degreased green body. According to the method disclosed by the invention, the organic adhesive with the components is adopted, and catalytic degreasing is performed in the subsequent step by using nitric acid, so that the production cycle is greatly shortened, the defects such as softening deformation and cracking are overcome, and the yield is improved.

The present invention relates to metal material detergent, and is especially one kind of industrial phosphate-free degreaser. The industrial phosphate-free degreaser consists of additive 0.1-10 wt%, sodium carbonate 35-65 wt%, anhydrous sodium metasilicate 20-50 wt% and octyl phenol polyethenoxy ether 0.5-5 wt%. The present invention has very powerful stain penetrating and emulsifying capacity, excellent effect of eliminating mineral oil and vegetable oil from metal surface, low treating temperature and fast oil eliminating speed, and is especially suitable for use in industry closed spraying and painting production line.

The invention a water clarifier mixed system for treating sewage containing polymer. A mixed water clarifier for treating the sewage containing polymer comprises a cationic type water clarifier and a non-ionic type water clarifier, wherein the cationic type water clarifier is at least one of glycerol-epichlorohydrin-triethylamine polymer, dimethylamine-epichlorohydrin-ethylenediamine polymer, polyaluminium chloride and poly-ferric sulfate; the non-ionic type water clarifier is polyether amine grafted polyether and/or polyethylene polyamine grafted polyether; the mass ratio of the cationic type water clarifier to the non-ionic type water clarifier is 1:10-1. The mixed water clarifier has the advantages that the mixed water clarifier can be used for fast and efficiently deoiling the sewage, the deoiling and solid removing efficiency of the water clarifier can be guaranteed, the mixed water clarifier is also applicable to the sewage with high oil content, and inverse demulsification can be achieved to reduce the oil content in floc; when the mixed water clarifier is used, inverse demulsification can be achieved to reduce the oil content in the floc during water clarifier flocculation and water clarifying, and the generated floc is non-sticky, and the like.

The invention relates to a preparation method of a coix seed extract. The method comprises the steps as follows: S1, drying and crushing coix seeds to obtain coix seed flour; S2, removing starch and fat in the coix seed flour through acid treatment and addition of a degreasing agent; S3, performing dynamic superhigh-pressure microfluidization treatment on coix seed pulp to promote dissolution extraction of polysaccharide and protein in the coix seed pulp; S4, adjusting the mass concentration of the coix seed pulp, adding an ionic strength regulator to regulate the ionic strength of the coix seed pulp, and adjusting the pH of the coix seed pulp; S5, adding an organic polymer adsorbent to the coix seed pulp to adsorb protein and polysaccharide agglomerates; S6, performing standing and filtration, collecting a filtered-out organic polymer adsorbent, and sequentially eluting polysaccharide and protein; and S7, removing starch and grease again through low-temperature settlement and centrifugal degreasing to finally prepare a coix seed emulsion containing polysaccharide and protein. The prepared coix seed emulsion is compounded into instant compound coix seed flour.

The invention discloses an electroplating base material degreasing agent and a preparation method thereof and relates to a degreasing agent, and in particular relates to the technical field of surface pretreatment of plated workpieces. The degreasing agent contains the following substances per liter: 100.0-300.0 grams of phosphoric acid, 2.0-5.0 grams of sodium gluconate, 2.0-5.0 grams of sodium tripolyphosphate, 1.0-4.0 grams of water softener, 0.2-0.5ml of emulsifying agent and the balance of water. The preparation method comprises the steps of dissolving the phosphoric acid, the sodium gluconate, the sodium tripolyphosphate, the water softener and the emulsifying agent in the water at the ratio, fully stirring and dissolving. The degreasing agent disclosed by the invention does not adopt an alkaline solution and has the characteristics of low temperature, low concentration, acidity, little chemical component types, rapidness, cleanliness and high efficiency in degreasing, capability of saving lots of energy and low cost; the degreasing agent is particularly suitable for degreasing neodymium-iron-boron permanent magnet materials.

The invention discloses a method for preparing hydroxide anionic water used for removing greasy dirt, cleaning, sterilizing and disinfecting. The method comprises the following steps: preparing a box body, wherein the box body is divided into a cathode electrode box and an anode electrode box through a cationic resin film in the box body; inserting a cathode electrode into the cathode electrode box; circularly pouring pure water electrolyte containing a potassium carbonate catalyst into the anode electrode box in order to keep the pH of liquid in the anode electrode box equal to a preset value; inserting a cathode electrode into the cathode electrode box, and pouring pure water into the cathode electrode box; when in running, the following steps are carried out: applying 24-45V direct current or pulse current to the cathode electrode and the anode electrode to electrolyze to gradually generate high electrolyzing current, and the water molecule of the pure water in the cathode electrode box is electrolyzed and separated into hydroxide anions and hydrogen ions; the hydrogen ions are converted into hydrogen after collecting electrons from the cathode electrode and then the hydrogen overflows; in addition, after the concentration of hydroxide generated at the cathode electrode reaches the specific pH (12.5+/-0.5), anionic water is pumped from the cathode electrode through a water pump, and pure water is pumped into the cathode electrode box for next anionic water production.

The invention discloses a metal powder injection molding feed and a preparation method thereof. The injection molding feed comprises 2200 iron-based alloy powder and forming agents comprising, by weight, 7-9 parts of paraffin, 2-4 parts of photothermal stabilizers, 5-7 parts of polyethylene, 3-5 parts of polyethylene glycol, 5-7 parts of stearic acid and 72-74 parts of polyformaldehyde, and the injection molding feed is prepared from the 2200 iron-based alloy powder and the forming agents according to the ratio of 90:10-92:8. The metal powder injection molding feed is applied to the injectionmolding technology of alloy products, and has the advantages of high fluidity, degreasing rate, density, molding stability, and dimensional stability of products, etc.

The present invention discloses a method for electroplating copper and sliver on an iron-nickel alloy frame. The method is characterized by comprising: 1, fixing an iron-nickel alloy frame; 2, carrying out cathode-anode combined degreasing; 3, carrying out acid washing; 4, carrying out cyanogen neutralization; 5, pre-plating copper; 6, plating copper; 7, pre-plating silver; 8, plating silver; 9, deplating sliver; 10, carrying out copper protection; and 11, drying, and taking the iron-nickel alloy frame from the bracket so as to complete the electroplating process. According to the present invention, the method has advantages of good electroplating effect and low cost.

The invention provides an environment-friendly sewage degreasing device and a use method thereof. The environment-friendly sewage degreasing device comprises a tank body, an oil collector, a treatingpond and a filtering plate, wherein a water inlet pipe is arranged outside the tank body; an oil storage barrel is arranged at one side, away from the water inlet pipe, of the outer part of the tank body; a water outlet pipe is arranged at the lower end of the oil storage barrel; a ventilation pipe is arranged at the upper end of the tank body; the oil collector is arranged inside the tank body; handles are arranged at the upper end of the oil collector; flanges are arranged at the lower end of each handle; a sealing plate is arranged at the lower end of each flange; an inner barrel through hole is formed in the inner side of the lower end of each sealing plate. By means of the sewage degreasing device, oil can be quickly separated from sewage, and working efficiency of grease in the sewage is greatly improved; an oil collecting device can realize filtering of large-particle solid wastes, can be detached, is convenient to clean and is more sufficient in filtering; by arranging a filtering plate, sterilizing and odor removing effects can be realized while oil removal and better environment-friendly property is realized.

The present invention discloses a rapid belt type oil-water separation apparatus, which comprises a precipitation barrel, a solid-liquid separation barrel, an oil-water separator and an oil storage barrel, wherein the lower end of the precipitation barrel is provided with a first liquid inlet and a sand discharging port and the upper end is provided with a first liquid outlet, the lower end of the solid-liquid separation barrel is provided with a second liquid inlet and a mud discharging port and the upper end is provided with a second liquid outlet, the interior is provided with a filtration screen for isolating the solid-liquid separation barrel, the second liquid inlet is communicated to the first liquid outlet, the oil-water separator comprises a liquid storage barrel, a conveying belt and an oil scraping plate, and a screw propeller is arranged below the liquid storage barrel and is driven to rotate by a motor positioned below the liquid storage barrel. According to the present invention, the floating oil is taken away by the belt, such that the oil removing is rapid, and the cooling liquid can be used as soon as possible; and the screw propeller is arranged below the belt, such that the floating oil away from the belt can be rapidly close to the belt after the liquid is stirred so as to rapidly remove the floating oil.

The invention discloses an environment-friendly degreasing agent, which comprises two components A and B, and the composition ratio of the raw materials of the two components is as follows: component A: 4-7 parts of sodium silicate, 2-2 parts of polyethylene glycol 4 parts, 2‑5 parts of fatty acid methyl ester ethoxylate, 4‑6 parts of fatty alcohol polyoxyethylene ether, 2‑4 parts of sodium dodecylsulfonate, 1‑3 parts of polyoxyethylene octylphenol ether, 5-10 parts of soluble starch, 50-60 parts of water; component B: 2-5 parts of glucose, 3-5 parts of agar, 5-10 parts of microbial strains, 3-5 parts of biological enzyme, 30-40 parts of water. The degreasing agent of the invention has the advantages of low residue, environmental protection, fast degreasing speed and high degreasing efficiency.

The invention discloses a red gum water-based cleaning agent including, by mass, 10-20% of propylene glycol ether, 10-20% of ethylene glycol ether, 10-20% of acetate, 10-30% of dibasic acid ester, 5-10% of ethanol amine, 10-20% of isopropanol, and 5-25% of deionized water. During use for removing red gum, the product can rapidly and effectively dissolve the components of cured red gum; and under the cooperative effect of the components in the cleaning agent, the cleaning agent is high in oil removal speed and has good cleaning effect, wherein residues are easy to wash away after the cleaning.The cleaning agent is stable and safe in use performance and cleaning waste liquid is easy to treat, so that the product is safe, environment-friendly and stable.

The invention belongs to the field of cleansers, particularly relates to a large smoke exhaust super strong oil stain cleanser and a preparing method. The large smoke exhaust super strong oil stain cleanser is characterized by being prepared from, by mass, 40-70 parts of a detergent, 15-40 parts of alcohol ethoxylate, 15-40 parts of isooctyl alcohol polyoxyethylene ether and 50-70 parts of water, the 40-70 parts of the detergent, the 15-40 parts of alcohol ethoxylate, the 15-40 parts of isooctyl alcohol polyoxyethylene ether and the 50-70 parts of the water which are put into a container, and stirring evenly, so that the large smoke exhaust super strong oil stain cleanser can be used after full dissolving. Compared with traditional washing through sodium hydroxide, according to a smoke exhaust stainless steel cover, the oil removal speed is drastically and obviously increased, the cleaning rate is obviously increased, after the adoption of the large smoke exhaust super strong oil stain cleanser, oil stains are not hardened, not adhesive and easy to clean and do not clog a sewer, and the smoke exhaust stainless steel cover after washing finishes is very good in brightness and very attractive.