78results about How to "Play the role of anti-corrosion" patented technology

The invention discloses lubricating grease for protecting aluminum-conductor steel-reinforced cables and a preparation method of the lubricating grease, and relates to the technical field of chemical engineering. The lubricating grease comprises the following components in percentage by weight: 50-90% of base oil, 1-5% of isocyanate, 1-5% of fatty amine, 1-6% of aromatic amine, 1-6% of a tackifier, 1-5% of a rust inhibitor, 0.25-0.8% of an anti-oxidant and 0.04-0.08% of a metal corrosion inhibitor, wherein the base oil is mineral oil or synthetic base oil of which the temperature is 40 DEG C and the kinematic viscosity is 120-500 mm<2>/s. The lubricating grease has the advantages that the normal operation of the aluminum-conductor steel-reinforced cables in a seriously corroded offshore industry area can be guaranteed, the service lives of the aluminum-conductor steel-reinforced cables in the seriously corroded offshore industry area can be effectively prolonged, the water-resistant, rustproof and anti-corrosive functions can be realized, and the protecting requirements for the aluminum-conductor steel-reinforced cables can be ensured.

The invention relates to a preparation method of a photocorrosion resistance titanium dioxide/cadmium selenide/graphene composite film. The preparation method of the photocorrosion resistance titaniumdioxide/cadmium selenide/graphene composite film comprises the following steps that a TiO2 nanotube film is prepared on a titanium sheet by an anodic oxidation method according to the excellent electrical conductivity and optical performance of graphene; a titanium dioxide/cadmium selenide film is prepared by an electrochemical method; and spin-coating is carried out on the titanium dioxide/cadmium selenide film to prepare a titanium dioxide/cadmium selenide/graphene film, wherein the product is a dark red film, the film is composed of TiO2 nanotubes, the nanotubes are uniform and compact, the arrangement is neat, the pipe diameter is less than or equal to 100 nm, CdSe particles are in a nanosphere shape, and the particle diameter is less than or equal to 20 nm. The graphene film is attached to the upper part of the CdSe nanoparticles. Photocurrent of 0.2 mA/cm<2> is generated under visible light irradiation, and the attenuation speed of the electrode covered with the graphene is slow, so that the graphene plays a role in photocorrosion resistance and is used in photovoltaic products.

The invention discloses an anticorrosive coating for a cable bracket, and belongs to the technical field of cable brackets. The anticorrosive coating is prepared from, by weight, 40-50 parts of epoxyresin, 10-20 parts of chlorinated rubber, 0.5-2 parts of polyaniline, 1-2 parts of zinc phosphate, 1-3 parts of a styrene-acrylic emulsion, 8-12 parts of a stabilizing agent, 1-3 parts of mica powder,1-2 parts of sodium dodecyl benzene sulfonate, 0.5-1.5 parts of a silane coupling agent, 7-10 parts of a curing agent, 10-12 parts of a solvent and 3-5 parts of water. The coating has low raw material cost, excellent corrosion resistance and mechanical properties.

The invention provides an LED street lamp with high heat dissipation performance, comprising a heat dissipation housing formed by the upper end and the lower end of an all-in-one part, LED lamps arranged in the heat dissipation housing and on a base plate and a control circuit connected with the base plate, wherein the control circuit is fixedly connected in the heat dissipation housing. The LED street lamp is characterized in that the base plate is fixedly connected with the inner wall of the heat dissipation housing; a first fin array is arranged on the rear surface of the upper end and second fin arrays are respectively arranged at the two sides of the lower end. The LED street lamp solves the problems of poor heat dissipation effect and environmental pollution of the existing LED street lamps. The fins uniformly distributed in two channels ensure the LED lamp bodies to have good heat dissipation effect and the service lives of the LED lamp bodies to be prolonged; the titanium layers coated on the fins ensure the lamp bodies to have better heat dissipation effect, have the effect of corrosion resistance and can not pollute the environment; and as the direct heat conduction structure exists between the base plate and the heat dissipation housing, the LED lamp bodies have good heat dissipation effect and the service lives of the LED lamp bodies are prolonged.

The invention discloses a copper metal surface anticorrosion treatment method. The method comprises the steps: A, immersing copper metal into an alcohol-water mixed solution of an s-triazine ethanedithiol silane compound, and forming a primary layer nano film on the surface of the copper metal in a self-assembling way; B, carrying out thermal polymerization on the copper metal with the primary layer nano film, and forming a polymerized nano film on the surface of the copper metal. The treatment method is not only suitable for the pure copper, but also is suitable for the copper alloy. The copper metal surface after being treated in the method can be prevented from being corroded and also has an active site, and the subsequent other technological treatment can be carried out. The treatment method is simple to operate; moreover, the anticorrosion effect of the copper metal surface after being treated is good.

The invention discloses a municipal denoising isolation belt. The municipal denoising isolation belt comprises uprights, wherein the portions, close to the bottoms, of the uprights are of cavity structures; corrosion-resistant material filling layers are arranged in the cavities; illuminating apparatuses are mounted at the tops of the uprights; the illuminating apparatuses are controlled by a master control platform; the number of the uprights is two; a sound absorbing column is mounted between the two uprights; the sound absorbing column is of a concave structure; two side surfaces of the sound absorbing column are connected with the uprights in a sealed manner; the bottom of the sound absorbing column is connected with the ground surface in a seamless manner; a base is mounted in the sound absorbing column; the height of the base is consistent with that of the sound absorbing column; the interior of the base is filled with a nutritious soil layer; the height of the nutritious soil layer is consistent with that of the base; planting grooves are formed in the upper surface of the base; and the number of the planting grooves is at least two. The municipal denoising isolation belt is advantaged in that the municipal denoising isolation belt is integrally stable and can also absorb heat and adsorb smoke dusts and noises; the green area can be increased; the landscape effect is improved; traffic noises of the two sides of highways and surrounding buildings can be reduced; a corrosion-resistant effect can be achieved; and an illuminating function is also achieved.

The invention discloses a corrosion-resistant conductive rubber key and a preparation method thereof, and relates to the technical field of rubber products. Technical key points are that: the key comprises a base and a key block, the side, away from the base, of the key block protrudes to form an identification character, at least two layers of easy-to-tear pieces are arranged on the side, away from the base, of the key block and located on the periphery of the identification character, each easy-to-tear piece comprises an aluminum layer away from the side of the base and an anti-corrosion sealing layer close to the side of the base, and the key has the advantages of abrasion resistance.

The invention provides a self-repairing composite coating, application of the self-repairing composite coating, an anticorrosion material and a preparation method of the anticorrosion material. The self-repairing composite coating comprises a hydrophobic layer and a hydrophilic layer, wherein the hydrophobic layer and the hydrophilic layer make contact with each other. The hydrophobic layer comprises hydrophobic matter. The hydrophilic layer comprises a self-repairing layer. The self-repairing layer comprises hydrophilic matter A. the hydrophilic matter A comprises at least one type of dynamiccovalent bonds. Compared with the prior art, the self-repairing composite coating, application of the self-repairing composite coating, the anticorrosion material and the preparation method of the anticorrosion material have the advantages that the self-repairing composite coating can be applied to the field of corrosion resistance, do not allow liquid to permeate, and can automatic repair the defects of the coating in the preparation process and the using process, and then the anticorrosion effect can be effectively achieved; and furthermore, according to the self-repairing composite coating, the situation that a substrate is corroded because liquid enters the composite coating and makes contact with the substrate is avoided, the defects of the coating can be automatically repaired in the preparation process and the using process, and the self-repairing composite coating has the excellent biocompatibility.

The invention relates to a corrosion control method and a device for online film formation of a pipeline of an oil refining and chemical device. The method comprises the following steps of: at the pipeline upstream needing the corrosion control, injecting a film forming matter to the pipeline from a drain valve of the pipeline; and heating the pipeline needing the corrosion control to 200-500 DEG. C, and keeping the temperature for 1-240 hours; and generating a coke film on the inner surface of the pipeline needing the corrosion control. The invention also provides the corrosion control device used in the method, which comprises injecting equipment, a heating casing and heating equipment; the heating casing is provided with a heating medium inlet and a heating medium outlet, and can be spirally wound on the outer surface of a petroleum hydrocarbon device or the pipeline; and the heating device is used for heating the heating medium. The coke film generated by the method is smooth and compact in the flow boundary layer of the inner surface of the pipeline, has stable chemical property, and can isolate the contact between the matters in the pipeline and the inner surface of the pipeline to realize the corrosion control action and ensure the long-period safe operation.

The invention provides comprehensive mixing treatment equipment for a sludge settling tank. The comprehensive mixing treatment equipment comprises a formation surface, an embedded steel plate, a hanger bracket, a hanger supporting pillar, a stainless steel lifting chain, an electric traction lifting bracket device, a conveniently-fixed stirrer structure, a stirring fixed limiting seat structure, acable retracting box structure, a falling prevention buckling structure, cross stay bars, a connecting plate, a supporting guide rod, a sliding chute, a sludge settling pond wall and a control switch, wherein the embedded steel plate is in bolted connection with the right-side position of the upper surface of the foundation surface. According to the comprehensive mixing treatment equipment provided by the invention, by arrangement of a hand-drive block, a pulling rope, a guide roller and a winding motor, the stirrer is beneficially released, and the stirring requirements on the sludge settling ponds with different depths can be met; by arrangement of a driving motor and a stirring impeller, sludge in the sludge settling pond is favorably stirred and a stirring effect is realized; a falling prevention strap is arranged to beneficially realize a secondary protecting effect on a submersible stirrer enclosure and the stirring impeller and enhance the fall prevention function.

The invention discloses a high-performance dual-core photovoltaic cable resistant to tensile and compression. The high-performance dual-core photovoltaic cable is characterized by comprising a cable core, an armor layer and a sheath layer, wherein the cable core comprises two wire cores, a lining layer is arranged at the periphery of the cable core, the armor layer wraps the periphery of the lining layer, the sheath layer is extruded at the periphery of the armor layer, each wire core comprises a reinforcement core, a conductor layer and an insulation layer, the conductor layer wraps the periphery of the reinforcement core, and the insulation layer is extruded at the periphery of the conductor layer. The high-performance dual-core photovoltaic cable has the characteristics of good high- and low-temperature resistant performance, high insulation performance, high tensile and compression resistance and light weight.

The invention discloses a rotating speed sensor, comprising a housing (1); a segment of external threads (11) are arranged on the outside of a left end of the housing (1); a left stepped hole (2), a middle stepped hole (3) and a right stepped hole (4) are axially arranged in the housing (1); an epoxy resin sleeve (21) is embedded in the left stepped hole (2); the epoxy resin sleeve (21) is internally provided with a Hall element (22) and a neodymium boron iron magnetic steel (23); the middle stepped hole (3) is internally provided with a printed circuit board combination (31), a sleeve (32) and a mounting sleeve (33); the right stepped hole (4) is also internally provided with an aviation plug (41). The rotating speed sensor is provided with the external threads, and the housing is internally provided with the epoxy resin sleeve, allowing a relevant circuit board to be arranged in a relatively sealed space; the housing is prepared by stainless steel materials, and possesses the functions of dust prevention and corrosion protection; the rotating speed sensor has a reasonable and compact structure, is convenient to assemble and disassemble, and can prolong the service life of a product.

The invention relates to a tinplate production process for a composite coating and a tinplate. The tinplate production process comprises the following steps of step S10, pretreatment: degreasing and pickling a steel substrate; step S20, electroplating tin: electroplating tin on the steel substrate, and then rinsing to form a pure tin layer on the surface of the steel substrate; step S30, electroplating chromium: electroplating chromium on the surface of the steel substrate where step S20 has been completed, and rinsing to form a chromium metal layer and a chromium hydrated oxide layer on the surface of the pure tin layer; and step S40, oiling: oiling on the surface of the steel substrate where step S30 has been completed to form an oil film layer. According to the tinplate production process provided by the invention, the tinplate formed by using the process has the tin-plated and chromium-plated composite coating, based on the excellent corrosion resistance of metal chromium, the chromium-plated layer on the outer surface mainly plays a role of anti-corrosion, the tin in the inner layer has good welding performance, and acts as a soldering flux when welding is needed to ensure thewelding quality when making cans, so that chrome-plated iron can also be used to make three-piece cans, and the cost is reduced.

The present invention discloses a steel formwork structure. The steel formwork structure comprises an outer protection plate; an inner side surface of the outer protection plate is provided with a ribbed plate; detachable screws are connected between the ribbed plate and the outer protection plate; an inner side surface of the ribbed plate is connected with a reinforcing rib; the reinforcing rib is connected with the ribbed plate via reinforcing screws; an inner side surface of the reinforcing rib is connected with a vertical rib outer rim; the vertical rib outer rim is bonded with the reinforcing rib; an inner side surface of the vertical rib outer rim is provided with a flow deflector; a sealing gasket is connected between the flow deflector and the vertical rib outer rim; the vertical rib outer rim is clamped to the flow deflector; the flow deflector is provided with more than three deflector holes; a side surface of the flow deflector is connected with a securing plate; the securing plate is of a hard steel structure; and the securing plate is fixedly connected with the flow deflector. The steel formwork structure is higher in integrated structural property and bearing capacity, and is resistant to corrosion, has tight seams between formworks and smooth moulding surfaces, and has a certain deflector effect, construction quality is effectively guaranteed, and construction efficiency is improved.

The invention provides a corrosion preventing method for a tinplate. The tinplate is coated with a corrosion preventing composite layer, wherein a corrosion preventing composite layer coating process comprises the following steps: firstly, cleaning a tinplate substrate; secondly, performing sand-blasting treatment; thirdly, spraying anti-corrosive paint; in the first step, pollutants on the surface of the tinplate is cleaned by using ethanol; in the second step, chilled cast iron sand with the particle size of 0.2 to 0.5 mm is adopted for the sand-blasting treatment; in the third step, the sprayed anti-corrosive paint is organic fluorocarbon paint. According to the corrosion preventing method for the tinplate, the effect of preventing corrosion can be achieved effectively; the service life of the tinplate is prolonged; the corrosion preventing method has the advantages of convenience, practicability and low cost.

The invention relates to a hot melt adhesive pipe, a production technology thereof and a technology for adhering a refrigerating pipe to a heat-conductive plate. Ethylene ethylacrylate copolymer materials are adopted, the temperature of an extruding machine is set, a hot melt adhesive pipe is extruded and formed, and after being cooled, the hot melt adhesive pipe is manufactured. The refrigerating pipe is sleeved with the hot melt adhesive pipe, heating is carried out so that the hot melt adhesive pipe can be hot-melted, and the refrigerating pipe is connected with the heat-conductive plate. Hot melt adhesive has an anti-corrosion effect on the surface of the refrigerating pipe. The refrigerating pipe does not need to be oxidized, the production technology is simplified, and energy consumption is reduced. Besides, the adhesion area of the hot melt adhesive and the refrigerating pipe and the adhesive area of the hot melt adhesive and the heat-conductive plate are large, and adhesion is firmer. Adhesion portions are not prone to disengaging in the subsequent foaming treatment process of an evaporator, and the quality of the refrigerator evaporator is improved.

The invention discloses a high-strength travel luggage which comprises a luggage body, wherein an inner cavity of the luggage body comprises a wear resistant layer, a water-proof layer and an anti-corrosion layer; the wear resistant layer is located at the top of the water-proof layer; the water-proof layer is located at the top of the anti-corrosion layer; an inner cavity of the anti-corrosion layer comprises a benzene-potassium-sulfur layer, an antimony trioxide layer, a magnesium hydroxide layer and PTFE (polytetrafluoroethylene)-polyethylene; the benzene-potassium-sulfur layer is located at the top of the antimony trioxide layer; the antimony trioxide layer is located at the top of the magnesium hydroxide layer; the magnesium hydroxide layer is located at the top of the PTFE-polyethylene. The wear resistant layer, the benzene-potassium-sulfur layer, the antimony trioxide layer, the magnesium hydroxide layer and the PTFE-polyethylene are matched with one another, so that when the luggage is used, a wear resisting effect on the luggage can be achieved, the conditions that the existing luggage is damaged after long-time use and cannot be used normally as the existing luggage doesnot have the wear resisting effect are avoided, therefore, the high-strength travel luggage is suitable for promotion and use.