2006results about How to "Not easy to corrode" patented technology

The invention relates to an engineering oil pipe paint spraying device, in particular to an engineering oil pipe surface paint spraying device. According to the technical problem to be solved, the engineering oil pipe surface paint spraying device does not need assistance of manual labor, and is good in automatic performance, high in maneuverability, high in working efficiency, convenient to operate and capable of uniformly spraying paint to the surface of an engineering oil pipe. To solve the technical problem, the engineering oil pipe surface paint spraying device comprises a left support, a right support, a material collecting frame, a top plate, a sliding block, a sliding rail, a hollow pipe, a spraying head, an air cylinder, a hairbrush, a first motor, a first rotating shaft, a first bevel gear and the like. The left support and the right support are vertically arranged in a bilateral symmetry manner. The material collecting frame is arranged below the position between the left support and the right support. According to the engineering oil pipe surface paint spraying device, in the process of spraying the paint to the surface of the engineering oil pipe, while the engineering oil pipe rotates, the spraying head sprays the paint.

The invention discloses a composite phase-change energy storage material for microcapsules and a preparation method thereof. The coating of the microcapsule is made of silicon dioxide, and the core of the microcapsule is made of a phase-change energy storage material, wherein the phase-change energy storage material is a paraffin organic solid-liquid phase-change energy storage material. 0.2 to 0.5 wt.% of dispersed emulsifier, 52.5 to 62.5 wt.% of solvent water, 18.75 to 31.5 wt.% of phase-change energy storage material and 15.5 to 18.75 wt.% of inorganic silica source are matched and put into a reactor for stirring for 5 to 8 hours; the mixture is uniformly dispersed and emulsified at the temperature 3 to 8 DEG C higher than that for solid-liquid phase change; hydrochloric acid aqueous solution catalyst with the pH value of 0.93 to 4.07 or sodium hydroxide aqueous solution catalyst with the pH value of 8.0 to 12.0 is added into the emulsion; the reacting solution is naturally cooled to room temperature and precipitation solution is obtained; the precipitate is washed with the combination of water and petroleum ether, wherein the mass percent of the petroleum ether is 30 wt.%; then the precipitate is washed with deionized water and is filtered, and the product is naturally aired. The invention improves the technology of phase-change energy storage and conservation, and has the function of automatic temperature regulation, favorable physical and chemical stability, crack resistance, flame retardancy, wear resistance and high thermal conductivity.

The invention relates to a method for utilizing iron containing metallurgical dust, which comprises that: steel-making sludge, metallurgical dust-removing powder and iron scale are mixed; the mixed raw materials are sent into a rotary kiln and dried, and the drying temperature is determined according to moisture content of the raw materials and controlled to be between 300 and 500 DEG C; the dried materials are cooled by a cooler, the cooled materials are added with 5 to 10 percent of caking agent by weight, and the material and the caking agent are fully stirred evenly by a wheel-rolling mixer; and finally, the mixture is pressed into cooled agglomerated pellet products by a twin-roller machine, the pressure of the twin-roller machine is more than or equal to 500 Kg/cm<2>, and the cooled agglomerated pellet products are prepared into finished products after separation by a vibration sieve. The method has the advantages of low production energy consumption, high product strength, low moisture content and good quality, and can realize full effective utilization of resources; and the finished products of cooled agglomerated pellets can be directly used as a cooling agent and a slag former in steel making, can improve smelting effect and achieve functions of cooling and slag forming, and can be also used for blast furnace process.

A semiconductor device comprises a lead frame having a die pad portion or a circuit board, one or more semiconductor elements mounted on the die pad portion of the lead frame or on the circuit board, a copper wire that electrically connects electrical joints provided on the lead frame or the circuit board to an electrode pad provided on the semiconductor element, and an encapsulating member which encapsulates the semiconductor element and the copper wire, wherein the electrode pad and/or the encapsulating member having predetermined properties are combined with the copper wire having predetermined properties.

The invention relates to an antirust oil spraying device, and in particular relates to a rapid mechanical component antirust oil spraying device. The technical problem to be solved by the invention is to provide the rapid mechanical component antirust oil spraying device which is uniform in spraying, saving in material, and convenient to operate. In order to solve the technical problem, the invention provides the rapid mechanical component antirust oil spraying device comprising a base plate, a left rack, a box, a water pipe, a first check valve, a cylinder, a piston, a flexible pipe, a processing frame, a right rack, a screen plate, a sprayer, a second check valve and a top plate, wherein the left rack is welded with the left side of the top of the base plate, a first fixing rod is welded with the upper part of the right side of the left rack, and a motor is connected with the first fixing rod via a bolt. According to the device provided by the invention, the effects of being uniform in spraying, saving in material, and convenient to operate are achieved, and the device is low in manufacturing cost, reasonable in structure, prone to maintain and repair, convenient to use, reduced in investment of manpower and material resources and improved in work efficiency.

A heat exchanger comprising a plurality of plates that are demountably attached to a frame is disclosed. Each plate comprises a plurality of channels for conveying a primary fluid through the heat exchanger. The frames are arranged in the frame so that spaces between adjacent frame pairs define conduits for conveying a secondary fluid through the heat exchanger. The plates are mounted in the frame so that they can be individually removed from the frame. Further, each of the channels is fluidically connected to input and output ports for the primary fluid by detachable couplings. As a result, heat exchangers in accordance with the present invention are more easily repaired or refurbished than prior-art heat exchangers.

The invention discloses an environmentally-friendly amine cationic collector and a using method thereof. The collector ZJ is ester group-containing quaternary ammonium salt cationic surfactant and has a plurality of alkyl groups, wherein an R alkyl group has 6 to 18 carbon atoms; an R1 alkyl group has 1 to 4 carbon atoms; the number of ester groups is 1 or two; and the number of the quaternary ammonium group is 1. The collector is obtained by esterification and quaternarization. As a hydrophobic chain has a carbonyl structure, the collector can hydrolyze easily into nonsurfactant fragments, and is a surfactant with high biodegradability, small toxicity and high performance. The collector is used in ore flotation for the first time and demonstrates high collecting capacity and selectivity.The collector forms fine and fragile foam that is low temperature resistant. The collector can be used under the condition that the pH value of ore pulp is 7 without corroding equipment. The preparation process of the collector is simple and easy in operation. And the collector is easy to biodegrade and is environmentally-friendly.

The invention discloses a preparation method of a nitrogen-doped porous carbon nano sheet composite material. The preparation method comprises the steps of performing high-temperature carbonization treatment on a mixture which consists of melamine and adjacent phenanthroline iron and serves as a precursor in a tubular furnace under an inert gas environment, and then removing dissolved iron compounds from an acidic solution to obtain a porous carbon nano sheet layer with carbon-coated iron carbide nano particles. The preparation method has the advantages that the technology is simple, the raw materials are cheap, and operation is easy to implement; in the prepared composite material, iron carbide is uniformly dispersed in the carbon nano sheet layer, so that the composite material is high in specific surface area and pore volume; iron carbide nano particles are completely coated by graphitized carbon, so that oxidization and corrosion are hardly caused; the composite material is stable in acidic electrolyte, and the battery activity can be effectively improved; when used as an electrocatalyst, the composite material is relatively high in electrocatalysis efficiency; the preparation method has an important value and significance in the field of preparation of doped carbon nano composite materials and electrocatalysis of proton membrane fuel batteries.

The invention relates to ester type flame retardant hydraulic oil containing nano antiwear additive. The mixture ratio by weight of the raw materials is that: 90-95 percent of synthetic ester compound base oil, 1.0-5.0 percent of synthetic multifunctional additive and 1.0-5.0 percent of nano antiwear additive. The production method is that: first, the synthetic ester compound base oil is heated up to 100-120 DEG C, antioxidant is added and stirred for 1-2 hours at 100-120 DEG C until the solid is completely dissolved, then antirust agent and demulsifying agent are added, finally the finished products are filtered to be used; second, the synthetic ester compound base oil is heated up to 60-80 DEG C, and the synthetic multifunctional additive, the nano antiwear additive and antifoamer are added and stirred for 1-3 hours at a constant temperature of 60-80 DEG C, then heating is stopped, and sample is selected for analysis and packaged into finished products after the analysis. The beneficial effects of the invention are that: high temperature using performance and long time lubricant performance of the products are greatly promoted, the service life of hydraulic systems and oil change period can be greatly prolonged.

Disclosed is a trans-reflective type LCD device and a method for fabricating the same wherein the method reduces the required number of masks by using a half-tone mask and a diffraction exposure process. Further, by using a half-tone mask and diffraction exposure process, a desired uneven surface may be formed on the reflective part of the pixel region without resorting to thermal processes that may otherwise degrade an insulating layer under the reflective electrode. Accordingly, an organic insulating material may be used between the transmissive electrode and the reflective electrode.

According to the invention, by using dredged sediment from water body such as eutrophicated rivers and lakes as the aggregate, plant straws, plant ash, ordinary portland cement, an organic fertilizer, a release fertilizer, a water-retaining agent and the like are added into the dredged sediment with uniformly stirring to form the bare slope plant adaptability matrix with certain adhesive performance. By employing the wet-type guniting technology for two-layer matrix guniting, the plant adaptability matrix is used for the plant restoration of bare mountain slope and can form a new plant cover layer in a short period. The dredged sediment is used as the matrix to control the loss of water and soil, thus minimizing the dependence on the clay resource and the restoration cost in slope restoration and solving the issue of dredged sediment treatment by the resource mode; and furthermore, the restoration method provided by the invention has high environmental, ecological and economic benefits.

The invention relates to a polymer-type water glass curing agent with easily-controlled curing time and high toughness. The curing agent is mainly formed by polymerizing and copolymerizing double bonds-containing acids such as crylic acid, methacrylic acid and the like and double bonds-containing esters such as butyl methacrylate, vinyl acetate, hydroxy-ethyl methacrylate and the like by latex. The polymer-type water glass curing agent of the invention is a novel water-soluble water glass curing agent, which can control the curing time of the water-soluble grouting materials by controlling the content of carboxyl and ester group in a polymer. By using the curing agent, a water glass consolidating body has vey high compressive strength and toughness, synthetically overcomes the shortages of too fast curing time, high corrosiveness, low consolidating body strength and the like of an acid curing agent which is commonly used in the water glass grouting materials and the shortages of poor water solubility, slow curing time and the like of an organic ester curing agent, and can be widely applied in the field of anti-seepage stoppage engineering.

The invention relates to a reaction molding device, and particularly relates to a polyurethane foaming plastic reaction molding device. The technical problem to be solved in the invention is to provide a polyurethane foaming plastic reaction molding device with ideal reaction molding and thorough reaction. In order to solve the technical problem, the invention provides the polyurethane foaming plastic reaction molding device. The polyurethane foaming plastic reaction molding device comprises a frame body, a clapboard, a first stirring shaft, a first spiral blade, a stirring blade, a third belt wheel, a second stirring shaft, a first belt wheel, a first bearing base and others; left and right sides of the bottom part in an installing frame are symmetrically welded with supporting rods, and top ends of the supporting rod are welded with the frame body; the center of the bottom part of the frame body is welded with a discharge pipe, and a valve is arranged on the discharge pipe. Through a motor, the stirring blade is driven to rotate, so as to mix raw materials in the frame; meanwhile, the first spiral blade and the second spiral blade are driven to rotate, and thus the raw materials are vertically conveyed.

Provided are an anticorrosive that is not sticky when a connected portion between a wire conductor and a terminal is subjected to anticorrosive treatment using the anticorrosive and accordingly has excellent handleability, and can coat the connected portion in a convincing way to prevent corrosion from building up at the connected portion, a coated electric wire with a terminal using the anticorrosive, and a wiring harness using the anticorrosive. The anticorrosive contains an ethylene-alpha-olefin copolymer that has a melt flow rate of 200 g/10 min or more at 190 degrees C. at 21.18 N, which is measured in accordance with the JIS K6922-1, wherein the ratio of copolymerization of an alpha-olefin in the ethylene-alpha-olefin copolymer is 10% by mass or more. In a coated electric wire with a terminal, a connected portion between a wire conductor and a terminal is coated with the anticorrosive.

The invention relates to a ZrC-TiC modified C/C-SiC composite material and a preparation method thereof, belonging to the technical field of preparation of composite materials. The composite material disclosed by the invention comprises carbon fibers, a pyrolytic carbon layer, SiC and ZrC-TiC, wherein the pyrolytic carbon layer coats the surface of the carbon fibers; SiC and ZrC-TiC coat the surface of the pyrolytic carbon layer; and ZrC-TiC is uniformly distributed in SiC. The preparation method comprises the following steps: preparing a low-density C/C composite material by adopting chemical vapor infiltration; melting Si, Zr and Ti powder, infiltrating the powder into the C/C composite material by virtue of a capillary action, and forming a ceramic phase in pores by virtue of a high-temperature in-situ reaction, thereby obtaining the ZrC-TiC modified C/C-SiC composite material. With the adoption of the process method which is low in cost, rapid and convenient, the service temperature of the C/C-SiC composite material is effectively improved, and the ultra-high temperature ablation resistance of the material is greatly enhanced.

The invention provides an early warning and protective method for collision resistance of bridge piers. The method includes that step one, an electronic induction device detects ships within a certain sea area range and amplifies detected physical signals into electrical impulse signals, when the ships sail into a monitored and early warned area, a control system controls an alarm system to raise the alarm, and the ships can adjust sailing directions; step two, when the ships move on and sail into danger areas, the control system controls output of high-low levels to achieve early warning and/or protective functions according to the sizes of the electrical impulse signals; and step three, when the ships leave the monitored sea area after collision and the electronic induction device cannot detect signals, the control system controls reset of an early warning and protective system so as to achieve recycling. According to the early warning and protective method, early warning and protection are combined, ship-bridge collision accidents can be avoided effectively by the aid of intelligent early warning, and the protective system does not occupy navigation channels and not prone to corrosion by seawater and capable of being recycled under the normal state.

The invention discloses a silicone vibrating diaphragm, a receiver module and a method for processing the silicone vibrating diaphragm. Two blocks of sheet metal are integrally formed on the silicone vibrating diaphragm through injection molding, the two blocks of sheet metal are embedded in the silicone vibrating diaphragm symmetrically, and both ends of each sheet metal are provided with a first welding part and a second welding part; each first welding part is embedded in a plane part, close to a folded ring part, of the silicone vibrating diaphragm, and is used for welding a coiling tap of a voice coil on the inner side of the voice coil; each second welding part extends out of or is embedded in a fixing part of the silicone vibrating diaphragm, and is used for welding a welding pad on an outer shell; and a connecting part connecting each first welding part and the corresponding second welding part is embedded in the silicone vibrating diaphragm to form a conductive path. By adopting the technical scheme of replacing lead wires of the voice coils with the two blocks of sheet metal of the silicone vibrating diaphragm, the problem of poor listening effect caused by collision of lead wires of the voice coils can be solved thoroughly, a wire-break risk of the lead wires of the voice coils can be avoided through the sheet metal embedded in the silicone vibrating diaphragm, and the product stability is improved.