125results about How to "Corrosion will not" patented technology

Provided is a water inlet device capable of feeding detergents. The water inlet device capable of feeding detergents can feed detergents accurately and effectively, and metal parts are not corroded. The water inlet device capable of feeding detergents comprises a main channel (11), and a Venturi tube (7) is connected to the main channel (11), wherein the main channel (11) is connected with a main electromagnetic water inlet valve (1), and a flushing and liquid inlet channel (12) is connected in parallel with a water delivery channel in the direction of the inlet of the main electromagnetic water inlet valve; the flushing and liquid inlet channel (12) is connected with an electromagnetic flushing water inlet valve (2) and a liquid collection chamber (5) located in the direction of the outlet of the electromagnetic flushing water inlet valve (2), and an one-way valve A (3) and a detergent A box (4) which is arranged in the direction of the inlet of the one-way valve A (3) are connected to the portion, between the electromagnetic flushing water inlet valve (2) and the liquid collection chamber (5), of the flushing and liquid inlet channel (12) in a branch mode; a liquid outlet passage (14) is connected to a portion between the outlet of the liquid collection chamber and the negative pressure port of the Venturi tube, the liquid outlet passage is connected with a flow sensor (6), and the outlet of the main channel is connected to a wash bucket. The water inlet device capable of feeding detergents is used as a water inlet and detergent feeding device for a washing machine.

The invention relates to a precise casting mold material, which comprises: petroleum wax, petroleum resin, high polymer, mineral wax and animal-plant wax. This product has high bending strength, superficial hardness, small linear shrinkage and ash, and well other properties, overcomes opposite in prior art, and fits to manufacture large-scale thin-wall integral fine-casting structure part.

The invention correlates to an operation method of improving smooth glitter property after dealing with the surface of magnesium alloy. The method first does the preliminary treatment procedure to the surface of magnesium alloy workpiece, and then carries out chemical nickel plating procedure of high adhesiveness to the surface of magnesium alloy. After the procedure of electroplating soft metal to the surface of chemical nickel plating, the procedure is polishing in the surface of soft metal, and then the procedure is electroplating glitter hard metal in the surface of after polishing soft metal, so that it can reach the effect of high smooth glitter property to magnesium alloy workpiece.

The invention discloses an aerosol detergent for throttle valves of automobile engines. The aerosol detergent comprises environmental-friendly solvent oil, petroleum ether solvent, ether solvent, detergent dispersant, surfactant, antiwear protective agent and liquefied petroleum gas, and particularly comprises, by mass, 30-65% of environmental-friendly solvent oil, 5-15% of ether solvent, 2-5% of detergent dispersant, 2-5% of surfactant, 3-8% of antiwear protective agent, 2-5% of rustproof protective agent and 15-30% of propellent. Compared with the prior art, the aerosol detergent for the throttle valves has the advantages of causing no corrosion to parts of electronic throttle valves, having effects of lubricating, rust preventing and abrasion preventing, being convenient to use and high in cleaning capacity, especially having rapid removal effect to stains on the throttle valves, such as oil sludge and carbon deposit, containing no water to avoid rusting the engines, and being stable in property, safe and reliable to store and use due to the fact that the aerosol detergent is made from environmental-friendly material.

The invention relates to the field of liquid transfer pump products, in particular to a vertical shield pump which essentially consists of a water pump and a canned motor. The water pump comprises an impeller, a pump body and a sealing ring. The canned motor comprises a stator, a rotor, shielding sleeves, a bearing support, a bearing, a cooling pipe and a deflation valve. The vertical shield pump is characterized in that the canned motor adopts an insulated winding; the rotor consists of a stainless steel shaft and a cast aluminum rotor; and the inner diameter of the stator and the surface of the rotor are respectively provided with the stainless steel shield sleeve. The vertical shield pump has the beneficial effects that a pump-motor integral structure is compact; the vertical shield pump has an external cyclic cooling system; when the vertical shield pump transfers high temperature and corrosion medium liquid containing granules, the rotor and the stator are not eroded easily, and medium can not be leaked; the vertical shield pump has the characteristics of small size, nice appearance, stable operation, convenient installation, no noise and the like; and the vertical shield pump meets the increasing requirement of the user on the stability of working environment and the environmental protection at utmost.

The invention relates to a method for preparing a large-size GaN self-support substrate, which comprises the following steps of: 1. firstly, growing a layer of ZnO membrane on a substrate; 2. growing a low-temperature buffer layer on the ZnO membrane to form a sample; 3. growing a GaN thick membrane on the low-temperature buffer layer at high temperature in a hydride vapour phase epitaxy system; and 4. after growing in the hydride vapour phase epitaxy system at high temperature, directly separating the GaN thick membrane from the substrate to form a large-size GaN self-support substrate because corrosive gases, such as HCL, NH3, and the like in the hydride vapour phase epitaxy system corrodes the ZnO membrane.

The invention discloses a high efficiency and no pollution industrial cleaning agent and its application. The formula of the cleaning agent comprises 80% - 93% of mixed ester solvent, 2% - 5% of nonionic surfactant, 3% - 10% of sodium carbonate and 2% - 10% of sodium silicate. The preparation method comprises the following steps: adding the mixed ester solvent at first, simultaneously adding a nonionic surfactant, sodium carbonate and sodium silicate and then stirring by manual or a machine for 15 - 20 minutes to obtain the high efficiency and no pollution industrial cleaning agent of the present invention. The high efficiency and no pollution industrial cleaning agent of the present invention is suitable for cleaning a oil circuit system which takes an operation medium as an oil product in equipment, and especially suitable for cleaning petrochemical apparatus, as well as on-line cleaning or stopping to disassembly and clean the oil circuit system of all industrial equipments such asa compressor. The cleaning agent of the invention has no influence to the equipment system, product quality and catalyst performance.

The invention discloses a liquid active carbon colloid emulsion belonging to the technical field of construction materials. The liquid active carbon colloid emulsion is prepared from the following raw materials according to parts by weight: 15-30 parts of supramolecular poly cage shape siloxane, 3-8 parts of nano level active carbon, 3-8 parts of nano kieselguhr, 3-8 parts of nano titanium oxide, 4-9 parts of nano tourmaline, 2-5 parts of nano silicon dioxide, 3-7 parts of rare earth activator, 5-12 parts of polyethylene glycol, 5-15 parts of sodium benzoate, 5-12 parts of sodium hexametaphosphate, 0.5-1.2 parts of amino acid, 0.3-0.8 parts of vitamin C, 1-3 parts of surfactant, 10-20 parts of distilled water and 1-3 parts of carboxymethyl cellulose. The invention effectively eliminates chemical contaminants released by decoration materials after indoor decoration and also can destroy biologic contaminants, such as viruses, bacteria and the like, a product has no irritative smell and no secondary pollution, protection is not needed in the construction process, components, such as metal and the like, can not be corroded, and the construction cost can be lowered.

The invention relates to a method for producing frosted glass, which comprises the following steps: firstly, selecting original white glass sheets, jointing the two sheets, and sealing four edges by tapes; putting the glass into a weak acid pool for soaking for 2 minutes; conveying the glass into a corrosion pool for frosting; clearing the frosting liquid after the glass is frosted, and drying the glass; removing the sealing tapes at the four edges of the glass; then, adopting a silk screen to print the preliminarily designed glass pattern on one surface, air-drying the glass for 2 hours, andthen, conveying the glass into a dryer for drying; pasting a protective film on the glass surface which is not printed with the pattern; scrubbing the surface which is printed with the glass pattern with weak acid liquid; soaking the glass into the corrosion liquid for 80-120 minutes; putting the glass into a sodium hydroxide solution for cleaning; and then, conveying the glass into a cleaning and drying machine for cleaning and drying to obtain a finished product. The patterned glass which is produced by the method of the invention has uniform and fine etched depth, strong aesthetic feeling of the pattern, better quality, simple processing method and environment protection, and can greatly reduce the production cost in the production process.

The invention relates to a method for synthesizing active magnesium hydroxide, which employs cheap magnesite as raw material. Obtaining caustic calcined magnesite after calcining, and then neutralizing the caustic calcined magnesite with water under the circumstance of alkali agent or high-molecular agent to synthesize magnesium hydroxide with low viscosity, high activity, lastly concentration of the magnesium hydroxide reaches 35%.

The invention discloses a sea sand concrete beam with mixed reinforcements of fiber reinforced plastics (FRP)-steel composite bars and FRP bars. The sea sand concrete beam comprises sea sand concrete, the FRP-steel composite bars, the FRP bars, erection bars and a plurality of stirrups, wherein the FRP-steel composite bars, the FRP bars, the erection bars and the stirrups are fixedly arranged in the sea sand concrete. The FRP-steel composite bars and the FRP bars are arranged at the lower end of the sea sand concrete, and the erection bars are arranged at the upper end of the sea sand concrete. The lengths of the FRP-steel composite bars and the FRP bars are arranged along the length of the sea sand concrete. The stirrups are evenly and fixedly connected to the outer surfaces of the FRP-steel composite bars, the FRP bars and the erection bars in a bound mode in the direction of the lengths of the FRP-steel composite bars and the erection bars. The FRP-steel composite bars comprise steel bars and FRP fiber cloth, wherein the outer surfaces of the steel bars are wrapped with the FRP fiber cloth. The FRP fiber cloth is bonded with the sea sand concrete. The invention further discloses a construction method of the sea sand concrete beam with the mixed reinforcements of the fiber reinforced plastics (FRP)-steel composite bars and the FRP bars. According to the sea sand concrete beam with the mixed reinforcements of the fiber reinforced plastics (FRP)-steel composite bars and the FRP bars and the construction method thereof, sea sand does not need to be subjected to desalting treatment, the strength is high, and the bearing property is good.

The invention relates to the technical field of fire-fighting truck, and especially relates to a fire-fighting truck chemical washing chamber and a fire-fighting truck. The fire-fighting truck comprises a driver cab and a carriage; a power supply device, a washing device, and a chemical washing chamber are arranged in the carriage; the washing device comprises a water storage tank, a washing heating machine, a neutralizing liquid device for chemical washing, and a washing pipeline system; the washing heating machine is communicated with the water storage tank, the neutralizing liquid device and the chemical washing chamber through the washing pipeline system; the chemical washing chamber comprises a washing chamber skeleton assembly, a front sealing plate and a rear sealing plate, which are arranged oppositely, a left sealing plate and a right sealing plate, which are arranged oppositely, a top plate and a bottom plate, which are arranged oppositely, and a middle partition plate. Compared with the prior art, the provided fire-fighting truck has a plurality of functions such as indoor/outdoor washing, cold/hot water supplying, electricity supplying, and the like, and has the advantages of high washing efficiency, convenient operation, safety, and reliability.

The invention discloses a titanium alloy. The titanium alloy comprises the following components by weight percentage: 3.8-4.8% of Al, 2.0-3.2% of V, 0.7-1.7% of Fe, 0.2-0.3% of O and the balance of Ti. Machining steps are as follows: step (1), heating a titanium alloy ingot in a temperature range of 100-150 DEG C above a phase transformation point, controlling the final forging temperature in a range of 900 DEG C +/-20 DEG C, performing cogging forging, and controlling rolling reduction at every time within 10-25 mm; step (2), heating in a temperature range of the phase transformation point +/- 20 DEG C, performing upsetting and drawing forging, and controlling the final forging temperature in a range of 850 DEG C +/-20 DEG C and the rolling reduction not to excess 30%of the length; step (3), heating at 30-50 DEG C below the phase transformation point, performing finished-product forging, controlling deformation to be about 60%, and performing heat treatment after the finished-product forging; step (4), performing vacuum annealing as the heat treatment, controlling the annealing temperature to be in a range of about 150 DEG C within the phase transformation point, controlling the temperature changeless to be 60-90 min, and performing air cooling. The titanium alloy is applied to manufacturing of a drive pin, a connecting rod, a motor suspending lever and a fastening of a train or a motor car; weight losing and corrosion resisting effects are achieved.

The invention belongs to the technical field of underwater self-propulsion retracting and catching, and particularly relates to an underwater automatic catcher for a light self-propulsion body. The underwater automatic catcher comprises a catching clamping mechanism, a driving mechanism and a triggering mechanism, wherein the catching clamping mechanism mainly consists of jaws, an elastic ring, a hinged ring and supporting cloth; more than three jaws are provided; the jaws are in rigid rod structures; one end of each jaw is a driving end, and the other end of each jaw is a clamping end. The catcher is small in volume and good in structural modularization, is suitable for combined use of a plurality of catchers, and can form an underwater catching base station. The underwater automatic catcher is integrally non-magnetic, and is free from corrosion after working in seawater for a long time.

The invention provides a preparation process of MAME (methyl 3-methoxyacrylate) and belongs to the technical field of synthesis of organic compounds. According to the preparation process, methyl acrylate and excess methanol taken as starting raw materials are subjected to an addition-etherification reaction in an oxygen atmosphere under the action of a synthetic catalyst, a product is subjected tofiltration and extraction, methyl 3,3-dimethoxypropionate is obtained and subjected to a catalytic cracking reaction, MAME and methanol are generated, the target product MAME is obtained through distillation, and methanol is recovered, wherein the synthetic catalyst is cobalt oxide, indium oxide or a mixture of cobalt oxide and indium oxide in any proportion. The preparation process is simple andefficient, the yield of the product MAME is higher and reaches 78%-82.4%, the catalyst can be recycled for a long time, corrosive and toxic substances are avoided, reaction equipment cannot be corroded, industrial production can be realized, and considerable economic benefits are created.

The invention discloses a hybrid FRP (Fiber Reinforced Plastics)-steel composite bar sea sand concrete beam, which comprises sea sand concrete, and a plurality of upper composite bars, a plurality of lower composite bars and a plurality of hoops fixedly arranged in the sea sand concrete. The hoops are uniformly fixed and tied on the outer surfaces of the upper composite bars and the lower composite bars along length directions of the upper composite bars and the lower composite bars; the upper composite bars and the lower composite bars are respectively arranged on the upper end and the lower end of the bar sand concrete, and comprise reinforcing steel bars and FRP fiber cloth coating the outer surfaces of the reinforcing steel bars; the FRP fiber cloth of each upper composite bar is made of the same material or different materials; the FRP fiber cloth of the plurality of lower composite bars adopts at least two materials; the FRP fiber cloth is adhered with the sea sand concrete; the FRP fiber cloth of the lower composite bars comprises at least two of carbon fiber cloth, glass fiber cloth, basalt fiber cloth and aramid fiber cloth. The hybrid FRP-steel composite bar sea sand concrete beam provided by the invention has no need to desalt sea sand, and has good strength and a bearing performance.

The invention provides a mask cleaning method and device, wherein the mask cleaning method comprises: providing a mask to be washed, wherein the mask to be washed includes a mask body and a metal to be washed, and the metal to be washed is formed on at least part of the surface of the mask body; cleaning the mask to be washed while the mask body is under cathode protection. It is discovered by theinventor herein that the method is simple and convenient to perform and is easy to implement; a selection range of detergents is wide, cleaning cost is low, cleaning efficiency is high, at least partof the metal to be washed is recyclable, and economic and time costs are saved.

The invention belongs to the technical field of lithium ion batteries, and particularly relates to a preparation method of a lithium ion battery anode material. The lithium ion battery anode material comprises a core layer and a shell layer coated outside the core layer, the core layer is SiOx, and the shell layer is carbon, wherein x is more than 0.5 and less than 2. The preparation method at least includes following steps: placing rice husk in a high-temperature furnace; rising temperature to 300-1200 DEG C at a speed of 10-50 DEG C/min in an inert gas atmosphere; calcining for 10s-30min; naturally cooling; using an acid solution to clean; using a solvent to clean; air-drying to obtain the anode material. Compared with the prior art, the anode material prepared by the method has the advantages of high initial coulomb efficiency, good circulating performance and low volume expansion.

The invention discloses a storage method of copper artware. The storage method comprises the following steps: (I) soaking copper artware in a silver oxide solution so that a silver oxide film is attached to the surface of the copper artware; (II) wrapping the surface of the copper artware with cotton cloth; and (III) putting the cotton cloth wrapped copper artware in a dry space while keeping the humidity of the dry space below 50%. By adopting the storage method, the copper artware can be protected from the corrosion of impurities in air so as to prolong the storage time.

The invention discloses a solid acid rod for a water injection well as well as preparation and injection methods of the solid acid rod. The solid acid rod is prepared from 25%-35% of maleic acid-acrylic acid copolymer, 10%-20% of ethyl acetate, 10%-18% of water-soluble imidazoline oleate corrosion inhibitor, 5%-12% of sodium alpha-olefin sulfonate, 20%-30% of diethylenetriaminepentaacetic acid iron(III) diammonium and 5%-15% of polyvinyl acetate emulsion. The appearance of the solid acid rod is cylindrical.

The invention discloses a plugging removal liquid for plugging slurry and a preparation method thereof, belonging to the field of the oilfield chemistry. The plugging removal liquid for the plugging slurry comprises the following components in percentage by mass: 5.0%-8.0% of a plugging removal agent, 1.0%-2.0% of a corrosion inhibitor, 0.2%-0.5% of a corrosion inhibition synergist, 1.0%-2.0% of an iron ion stabilizer, and hydrochloric acid, with the balance being water, wherein hydrogen chloride in the hydrochloric acid accounts for 15.0%-20.0% of the mass percent of the plugging removal liquid, and the plugging removal agent contains two groups, namely hydroxyl and carboxyl groups. The plugging removal liquid is good in plugging removal effect, does not damage a reservoir, is free of corrosion to pipelines or equipment, and can meet the requirements of drilling operation.