55results about How to "Reduce hydrogen absorption" patented technology

A filling grease for composite fibre-optical overhead earth wire is prepared by mixing 36®|hydrogenated white oil and PAO-8 synthesized oil with PriCO-3002 polybasic alcohol ester and viscosity exponential improver Lc-212, adding into additive OB fluorescent brightening agent, grease-separating inhibitor BP2400 and G1702, raising temperature, stirring, adding into organic thickening agent gas-phase carbon white H20, raising temperature, thickening, adding into antioxidant AT-215 and inorganic thickening agent SEP1650, raising temperature, thickening, shearing, circulation feeding back, cooling to normal temperature, homogenizing, degassing, filtering and obtaining the grease. It achieves good hydrogen absorption and stable fibre-optical transmitting performance.

The invention discloses a method for heating a titanium blank by using a continuous heating furnace. The heating temperature of the titanium blank is about 880 DEG C and is far lower than the heating temperature of about 1,200 DEG C of a steel blank; and if the titanium blank is heated by using a continuous heating furnace for heating the steel blank, over-high temperature or non-uniform heating is caused, and the over-high heating temperature causes the defects of rolling in a beta-phase area, thick and large tissue, serious surface oxidation and the like. The invention provides the method for heating the titanium blank by using the continuous heating furnace for heating the steel blank, wherein the thickness of the blank is 150 to 250 millimeters, and the titanium blank avoids a high-temperature flame area in a mode of furnace body radiation and furnace gas convection so as to achieve the effects of uniform heating temperature and good heating quality.

The invention relates to an alloy melt purifier and its method, the purifier comprises a driving motor, a connection shaft, a stator and a rotor. The driving motor is directly connected with the connection shaft, the end portion of the connection shaft enables fixed connection with the rotor, the connection shaft and the rotor are arranged in the columnar stator, the stator is embedded and fixed in an insulation container, the alloy melt is filled in the insulation container, the stator is immersed in the alloy melt, an aperture is opened on the wall at the lower part of the stator, a vapor pipe is provided at one side of the insulation container, a gas outlet of the vapor pipe is in alignment with the lower part of the lower part of the rotor; The method for purifying the alloy melt by using the purifier comprises the following steps: the alloy melt and inert gas are sucked in the purifier through the high speed rotation of the rotor, high strength shearing effect formed by the stator and the rotor can be used, and the controllable forced convection can be generated under the liquid surface of the alloy melt, thereby the introduced inert gas bubbles can be smashed to fine bubbleswhich are uniformly distributed in the melt, the fine inert gas bubbles absorb impure gas in the melt and overflow the liquid surface, so that the purification of the melt with high efficiency can berealized.

A zirconium alloy suitable for forming reactor components that exhibit reduced irradiation growth and improved corrosion resistance during operation of a light water reactor (LWR), for example, a boiling water reactor (BWR). During operation of the reactor, the reactor components will be exposed to a strong, and frequently asymmetrical, radiation fields sufficient to induce or accelerate corrosion of the irradiated alloy surfaces within the reactor core. Reactor components fabricated from the disclosed zirconium alloy will also tend to exhibit an improved tolerance for cold-working during fabrication of the component, thereby simplifying the fabrication of such components by reducing or eliminating subsequent thermal processing, for example, anneals, without unduly degrading the performance of the finished component.

The invention provides a titanium-based alloy material spinning forming method based on composite heating. The titanium-based alloy material spinning forming method comprises the steps that firstly, ablank, a central spindle and a spinning roller are preheated with a flame gun; and secondly, the blank is heated to the spinning temperature with a follow-up induction heating coil, the temperature is monitored with an infrared thermal imager in the spinning process, and heating and heat preserving are conducted on the blank in a spun area behind the spinning roller with the flame gun. Accordingto the titanium-based alloy material spinning forming method based on composite heating, two heating modes including front-end electromagnetic induction heat source heating and back-end flame source heat compensating are combined, the temperature is monitored with the infrared thermal imager, and then online heating and precise temperature controlling in the spinning forming process are achieved.Embodiment results show that when spinning forming is conducted on a titanium-based alloy through the method, an obtained spun part is uniform in wall thickness, has no cracking phenomenon, is high inquality and can not generate defects such as instability wrinkling in the spinning process.

The invention belongs to the fields of production aluminum oxide from coal ashes and metallurgy of aluminum and particularly relates to a method for extracting composite aluminum oxide from the coal ashes. The composite aluminum oxide can be used for producing an aluminum-silicon-based alloy as a partial substitute of a main raw material aluminum oxide of an aluminum electrolysis cell. A main scheme of the invention is as follows: optional constituents such as aluminum oxide (Al2O3) and silicon oxide (SiO2) in the coal ashes are not needed to be extracted respectively, only are the unused constituents in the coal ashes removed; or the oxides of some optional constituents are added into constituents of the to-be-produced aluminum-silicon alloy, so that the composite aluminum oxide containing aluminum oxide, silicon oxide and other optional constituents can be obtained; and the composite aluminum oxide can be used for replacing part of the main raw material aluminum oxide of the aluminum electrolysis cell to produce the aluminum-silicon-based alloy. The division for the optional constituents and the unused constituents of the coal ashes can be determined according to the chemical constituents (the chemical constituents of the coal ashes obtained by blending several coal ashes) of the coal ashes and the constituents of the produced aluminum-silicon alloy.

The invention provides an ultra-light high-modulus high-strength casting aluminum-lithium matrix composite and a preparation method thereof. The aluminum-lithium matrix composite comprises a matrix alloy and a strengthening phase, the matrix alloy comprises the following elements of, by mass, 2.5%-3.5% of Li, 1%-2.5 % of Cu, 0.4%-0.5% Mg, 0.15%-0.2% of Sc, 0.15%-0.2% Zr, 0-0.2% of Cd, less than 0.2% of the total content of impurity elements and the balance Al; and the strengthening phase is TiB2. The preparation method comprises the steps that Ti B2 / Al base metal alloy is prepared by using in-situ synthesized reaction; and then the TiB2 / Al base metal alloy, pure aluminum and Al-Cu, Al-Li and other intermediate alloys are smelted to obtain a composite, and after specific solid solution andaging treatment are carried out, the ultra-light high-modulus high-strength casting aluminum-lithium matrix composite is obtained. The ultra-light high-modulus high-strength casting aluminum-lithium matrix composite has higher strength and elastic modulus and lower density, and has lower cost meanwhile.

The invention discloses a hot galvanizing process. The hot galvanizing process is characterized in that thiourea with concentration being 0.12% is added during pickling, wherein a picking temperature is 50 DEG C, so that a workpiece can be prevented from being over-etched, and hydrogen absorption capacity of ferro matrix can be reduced; an ultrasonic cleaning agent with concentration being 7.5% is added during ultrasonic cleaning, so that greasy dirt and corrosion on the surface of a workpiece can be quickly removed; the ultrasonic cleaning agent is trichloro ethylene which does not contain phosphate, is harmless to aquatic life, is harmless to a human body and is free of stimulation on skin; the cooling comprises the following two steps: a first step, slow cooling, wherein a cooling speed is 10 DEG C / S, and the workpiece is cooled to a temperature of 650 DEG C; and a second step, quick cooling, wherein the workpiece is cooled by a cooling fan, and is cooled to a temperature of 445 DEG C, so that the structure of the workpiece can be prevented from being damaged; pure aluminum with concentration being 0.02% is added into a zinc pot before galvanizing, so that mobility, at a relatively low temperature, of a hot galvanizing solution is improved, a coating is prevented from being thickened, and the appearance of the coating is improved; a bearing produced by adopting the method has the advantages of corrosion resistance, great bonding strength of a galvanized coating and long usage time, is great in market potential and is wide in prospect.

The invention discloses a zirconium alloy material for a light water reactor under higher burnup. The zirconium alloy material comprises 0.10-0.40 weight% of tin, 0.50-1.50 weight% of niobium, 0.01-0.20 weight% of iron and 0.06-0.20 weight% of oxygen, and further comprises 0.01-0.09 weight% of vanadium and / or 0.01-0.09 weight% of copper and the balance of zirconium. The zirconium alloy has excellent corrosion resistance; and compared with the zirconium alloy in the prior art, the zirconium alloy has more excellent corrosion resistance in high-temperature pure water, and is suitable for fuel rod cladding materials and corrosion resistant zirconium alloy materials of grillwork strips and structural parts under higher burnout of nuclear reactors.

The invention discloses a surface galvanizing technology for a guide hook of a drop-out fuse, comprising the following steps: 1) ungrease treatment; 2) cleanup acid treatment; 3) plating solubilizing assistant immersion; 4) drying prewarming; 5) hot galvanizing; 6) finishing cooling; and 7) passivating. According to the technology, a corrosion inhibitor is added to acid cleaning liquor so that the over corrosion when the guide hook is acid-cleaned can be prevented and the hydrogen absorption amount of an iron substrate is reduced; a small amount of glycerin is added to plating solubilizing assistant so that the activity of the surface of the guide hook can be promoted and the evaporation of the plating solubilizing assistant is reduced; and tiny metallic aluminium is added to galvanizing flux so that the flowing of the galvanizing flux can be strengthened, the over thickness of a cladding layer is prevented and the appearance of the cladding layer is improved. Through the technology, the guide hook of the drop-out fuse can achieve the cladding layer with good uniformity; the cladding layer is not easy to drop out and has good tenacity, elasticity, abrasion resistance and corrosion resistance; and the cladding layer is incapable of becoming rusty under outdoor conditions.

The invention discloses a Gr.9 tube billet manufacturing process, including forging, peeling, drilling and extrusion piercing, wherein the steps of extrusion piercing are: blank preparation, drilling, sheathing, heating and extrusion. The surface of the tube blank is completely covered with copper plates, so that the tube blank absorbs very little oxygen and hydrogen, and the size of the tube blank and the size of the finished tube can be controlled at the most appropriate ratio, reducing the number of processing passes. The amount of deformation is large, and the grains are more fully broken. Compared with the cross-rolling piercing, the deformation of each part is more uniform, which makes the metal plasticity better and is more conducive to processing. There is almost no surface oxidation, and the surface treatment is reduced to improve the product yield.

A preparation method of a high-strength beta titanium alloy wire material for springs comprises the following steps: freely forging a beta-type titanium alloy ingot into a bar with diameter being 120-150 mm, and then descaling and removing forging cracks by a centerless lathe; forging the bar into a bar with the diameter being 40-60 mm, rolling a bar with diameter being 8-9 mm, descaling the surface of the bar by the centerless lathe and coping surface cracks; continuously heating at 700-720 DEG C and at the speed of 13-15 m / min in a tubular furnace so as to form an oxide layer, lightly drawing the bar once by the use of a drawing die during discharge, and simultaneously coating the surface of the wire material with graphite cream; hot-drawing to prepare a wire blank with the diameter being 1.2-3.2 mm; and carrying out solid solution treatment and finally polishing to prepare the wire material with the diameter being 1.0-3 mm. The prepared beta titanium alloy wire material has the characteristic of high strength (being greater than or equal to 1300 MPa), is used for solving the problem that steel springs have low specific strength and are not corrosion resistant, and meets requirements of titanium alloy springs for aerospace use.

The invention discloses equipment capable of achieving vacuum quantitative casting of molten metal. The equipment comprises a T-shaped cross beam, a vacuum quantitative casting device, a drive and transmission device, a feedback signal receiving device and a control system; the drive and transmission device comprises a four-station drive mechanism which drives an exhaust opening closing plug and a liquid draining opening closing plug to perform reciprocating motion at the same time through a connecting part, and therefore the exhaust opening closing plug and the liquid draining opening closing plug can stay at the different positions, independent opening or closing of an exhaust opening and a liquid draining opening can be achieved, it is ensured that during casing of the molten metal, the oxidation and hydrogen absorption of the molten metal can be reduced, gas holes and oxide inclusion of a casting are reduced, and the casting quality is improved.

The invention relates to a friction stir butt welding device for a large-thickness titanium-nickel dissimilar material and a machining method of the friction stir butt welding device. The friction stir butt welding device comprises a workbench and a friction stir welding mechanism, the workbench comprises a fixed clamping device, the friction stir welding mechanism comprises friction stir weldingequipment, the output end of the friction stir welding equipment comprises a stirring head, and a gas protection mechanism is arranged at the stirring head; the friction stir butt welding device further comprises a laser output mechanism, the laser output mechanism comprises a plurality of second laser output mechanisms arranged on the upper portion of the gas protection mechanism; and a hollow placement groove is formed in the stirring head. By arranging the laser output mechanism, the gas protection mechanism or a current heating mechanism in the stirring head of conventional friction stir butt welding equipment, the problem of insufficient softening of the bottom of a to-be-welded area only during surface laser heating is solved, and the axial pressure of the stirring head in the welding process can be greatly reduced.

The invention provides a processing method for target materials to be processed. The processing method comprises the steps that the target materials to be processed are provided; the target materialsto be processed are subjected to first acid pickling treatment through a first acid solution to form initial target materials, and the first acid solution and the target materials to be processed aresubjected to a first chemical reaction to remove part of materials on the surfaces of the target materials to be processed; and the initial target materials are subjected to second acid pickling treatment through a second acid solution, and the second acid solution and the initial target materials are subjected to a second chemical reaction to remove part of materials on the surfaces of the initial target materials, specifically, the rate of the second chemical reaction is smaller than the rate of the first chemical reaction. By means of the processing method, the recovery rate of the target materials to be processed can be increased.

The invention relates to an amorphous state hydrogen absorption alloy having a mechanical property and a preparation method thereof. A chemical general expression of the amorphous state hydrogen absorption alloy is (ZrTi)0.5(Ni0.6Cr0.1Mx)2.3 to 3, wherein M is one or more of cobalt (Co), chromium (Cr), manganese (Mn), vanadium (V), iron (Fe), dysprosium (Dy) and Erbium (Er), and x is more than or equal to 0.1 and is less than or equal to 0.3. The method comprises the following steps that: proportioning: according to the weight percent of each ingredient in the chemical formula (ZrTi)0.5(Ni0.6Cr0.1Mx)2.3 to 3. Smelting: the ingredients are uniformly smelted through vacuum arc melting or vacuum sensing melting under the protection of argon to be quickly cooled and produced into crystalline alloy cast ingot. Melt-spinning: the cast ingot is broken into small blocks, the small blocks are arranged inside a silica tube with the bottom part having a small hole and with the outer diameter of 14mm and the inner diameter of 11mm to be spun in a vacuum melt-spinning furnace at a rotation speed of 30 to 45m / s to obtain the amorphous state hydrogen absorption alloy. The amorphous alloy has the characteristics that the activation temperature is low (less than or equal to 200 DEG C), the hydrogen can be absorbed under the room temperature, and the amorphous alloy is free from being pulverized after absorbing the hydrogen, and the amorphous state hydrogen absorption alloy is particularly suitable for a hydrogen absorption device which is difficult to replace the alloy.

The invention discloses equipment capable of achieving vacuum quantitative casting of molten metal. The equipment comprises a mechanical device, a vacuum quantitative casting device, an opening and closing device and a control system; the vacuum quantitative casting comprises a seal container with internal space, a gas filling mechanism, a vacuum mechanism and an exhaust opening; the exhaust opening comprises a liquid draining opening allowing molten metal to be drained, a pipeline allowing gas to pass through is further arranged in the internal space, and passes through the liquid draining opening, the pipeline is provided with a gas exhaust opening allowing gas not in contact with the molten metal to be exhausted, the opening and closing device achieves independent control over the liquid draining opening and the gas exhaust oponeing, that is, the opening and closing device can independently control opening and closing of the liquid draining opening and the gas exhaust opening, it is ensured that during casing of the molten metal, the oxidation and hydrogen absorption of the molten metal can be reduced, gas holes and oxide inclusion of a casting are reduced, and the casting quality is improved.

The present invention relates to a lead-acid battery positive-grid low antimony alloy. The alloy comprises, by weight, 0.07-1.5% of manganese, 0.005-0.008% of silver, 0.05-0.12% of tin, 1.2-2.5% of antimony, 0.07-0.15% of rare earth element(s), and the balance lead. The rare earth element(s) is one kind or several kinds of ytterbium, samarium and lanthanum. According to the alloy, by adding the manganese, the silver and the rare earth element(s) into the low antimony alloy, the problems of low hydrogen evolution over-potential and easiness for losing water of the low antimony alloy are solved,the electrical conductivity, the strength, the hardness and the creep resistance of the alloy are improved, the capability of deep discharging cycle of a battery is improved, and the life of the battery is greatly improved.

The invention relates to the technical field of titanium coil production, and particularly discloses a pure-titanium cold-rolled bright-surface titanium strip production process which comprises the following steps: S1, heating a plate blank on a heating furnace, and then carrying out rough rolling and finish rolling to obtain a black-skin titanium coil; s2, intermediate annealing and shot blasting pickling are conducted on the obtained black-skin titanium roll on the hot line, and a pickled white roll is obtained; s3, cold rolling is conducted on the acid-washed white roll obtained in the step S2, and a cold-rolled titanium roll with the surface roughness Ra smaller than or equal to 0.6 micrometer is obtained; s4, the cold-rolled titanium coil is subjected to degreasing treatment on a degreasing line, and the degreasing uncoiling tension and the degreasing coiling tension are both 5-20 kN; s5, putting the cold-rolled titanium coil which is degreased cleanly into a vertical bell-type furnace, and performing recrystallization annealing treatment in an argon protective atmosphere; s6, the cold-rolled titanium coil treated in the step S5 is subjected to flattening treatment on a flattening machine, and the cold-rolled bright-surface titanium belt is obtained; the problems that a cold-rolled titanium strip manufactured through an existing process is high in surface roughness, the strip shape is difficult to control, and the strip shape is uneven can be solved.

The invention provides a zirconium-based alloy used in high-temperature environment of a nuclear reactor. Calculated by weight percentage, the zirconium-based alloy comprises 0.36-0.69% of Sn, 0.20-0.49% of Nb, 0.21-0.40% of Fe, 0.10-0.20% of O, 0.01-0.09% of individually added Cu or 0.01-0.09% of compositely added Cu and 0.01-0.20 of compositely added V, and the balance of at least 98% of zirconium including impurities. The zirconium-based alloy used in nuclear high-temperature environment of the nuclear reactor provided by the invention has excellent corrosion resistant performance; and compared with ZIRLO alloy of the prior art, the alloy has more excellent corrosion resistant performance in high-temperature pure water and high-temperature lithium-containing water, and is suitable for corrosion-resistant zirconium alloys of fuel rod cladding materials, grillwork stripes and structural parts under relatively high fuel consumption of the nuclear reactor.

The invention discloses a feeding method of aluminum scrap and an edge cutting material. When temperature of molten aluminum reaches 745-755 DEG C, a smelting furnace cover is removed, a seam is arranged on a material barrel containing the aluminum scrap and the edge cutting material, braking is performed for 3-5 minutes, and the aluminum scrap and the edge cutting material are added in a smelting furnace while being stirred. The feeding method changes a traditional aluminum scrap and edge cutting material feeding mode, provides that the aluminum scrap and the edge cutting material are added when the temperature of the molten aluminum reaches 745-755 DEG C, utilizes melting heat of the molten aluminum and furnace latent heat to melt the aluminum scrap and the edge cutting material, avoids heating and melting caused by the fact that flame is sprayed on the surfaces of the aluminum scrap and the edge cutting material directly, greatly reduces metal loss, improves rate of finished products, reduces aluminum slag output, lowers emission load of waste smoke, reduces consumption of natural gas, lowers cost, shortens feeding time, accelerates melting rate, shortens melting time, reduces hydrogen absorbed the molten aluminum, and improves product quality.

The invention discloses a zirconium alloy material applied to a nuclear reactor, comprising the following components in percentage based on total weight of a zirconium alloy: N b 0.4%-0.6%, Fe 0.3%-0.4%, Cr 0.2%-0.3%, Cu 0.05%-0.15%, at least one of V 0.01%-0.05% and Ni 0.1%-0.2%, O 0.06%-0.14%, C <=1000 ppm, N <=80 ppm, and the balance of Zr. Research shows that the zirconium alloy disclosed by the invention is excellent in comprehensive performance, particularly good in corrosion resistance in pure water at 360 DEG C and in stream at 400 DEG C; and therefore, the zirconium alloy can be used as a can material of the nuclear reactor.

The invention discloses a galvanizing technology for combination intensity of a galvanizing layer and a base material, which is used for anticorrosion processing of surface of a photovoltaic flat rack. The technology comprises the steps of cleaning, drying, galvanizing and cooling in order, and the cleaning step comprises the steps of degreasing, examining, pickling and washing in order, pickling temperature scope is between 30-35 DEG C, a pickle containing hydrogen chloride, hexamethylene tetramine and a corrosion inhibitor is used for cleaning the photovoltaic flat rack; the corrosion inhibitor contains a nitrogen compound-containing corrosion inhibitor and a sulfur compound-containing corrosion inhibitor; an assistant leaching step is provided between the drying step and galvanizing step, the assistant leaching is characterized in that the photovoltaic flat rack is immersed into a plating auxiliary for 5-8 minutes, the temperature of the plating auxiliary is between 50-57 DEG C, the plating auxiliary contains zinc chloride and ammonium chloride, the mass ratio of zinc chloride to ammonium chloride is between 1 and 4 to 1 and 10, and the plating auxiliary also contains glycerin. According to the invention, the technology route is simple, and the galvanizing layer bonding strength is good.

The invention discloses a method for making a dry material for tundish by using waste magnesia carbon bricks. The method comprises the following steps: 1, respectively conveying main productive raw materials, namely the waste magnesia carbon bricks, as well as magnesia and additives into corresponding stock bins of various production lines for the dry material for tundish by virtue of a hopper anda conveying pipe by utilizing compressed air, sequentially performing accumulative weighing counterweight on main ingredients by adopting a pressure sensor type scale hopper, and burdening the additive stock bin by adopting a self-weighing hopper; 2, performing weight reduction type burdening on the additive stock bin when the main ingredients enter a mixing machine, enabling the additive to directly enter the mixing machine to be mixed with the main ingredients, uniformly mixing by a stirrer, entering a transition stock bin, and selecting ton-bag and small-bag packaging; and 3, determining main components of the magnesia in the dry material in percentage by mass: 93.51% of MgO, 3.85% of SiO2 and 1.71% of CaO, wherein the waste magnesia carbon brick in the dry material comprises the following main components in percentage by mass: 70.96% of MgO, 3.18% of SiO2, 1.61% of CaO and 12.89% of Fe2O3; and the additive is PF-4013 resin.

The invention discloses an element with hydrogen absorption and desorption and foreign gas adsorption functions and a preparation method thereof. According to the element, an alloy of titanium, zirconium and molybdenum is used as a hydrogen absorption and desorption alloy, an alloy of titanium, zirconium, manganese and iron is used as an impurity gas adsorption alloy, and the element is formed bysintering a blank formed by a hydrogen absorption and desorption alloy material and an impurity gas adsorption alloy material. The element is used for hydrogen absorption and desorption impurity gas removal of the pseudo spark switch. The preparation method comprises the following steps: (1) smelting zirconium and titanium to obtain a hydrogen absorption and desorption alloy cast ingot; (2) smelting titanium, zirconium, manganese and iron to obtain an impurity gas adsorption alloy cast ingot; (3) crushing and pulverizing the two alloy ingots, proportioning the two alloy powder, high-purity molybdenum powder and a lubricant according to a target component ratio, carrying out ball milling and screening on the mixed powder, and grinding the alloy particles into powder by adopting an airflow mill; (4) preparing the powder into an element blank in an argon protective atmosphere; (5) putting the element blank into protective gas or a vacuum environment for sintering to prepare the element.

The invention relates to a method which allows production of a steel component that has a well-adhering metal coating protecting it against corrosion. For this purpose, a flat steel product produced from a steel material which has a yield point of 150 - 1100 MPa and a tensile strength of 300 - 1200 MPa is coated with an anti-corrosion coating that is produced from an alloy which contains 35 - 70 wt.-% aluminum, 35 - 60 wt.-% zinc, 0.1 - 10 wt.-% magnesium, up to 10 wt.-% Si and up to 5 wt.-% Fe. A billet is obtained from the flat steel product, is directly heated to at least 800 DEG C and is then molded into the steel component or is first molded into the steel component and then heated to at least 800 DEG C. The steel component obtained is subsequently heat-treated by cooling it sufficiently quickly from a sufficiently high temperature.

The present invention discloses a photovoltaic plate frame corrosion resistance treatment method, which is used for surface corrosion resistance treatment on a photovoltaic plate frame and sequentially comprises washing, drying, hot zinc plating, and cooling, wherein the washing step sequentially comprises degreasing, inspection, acid washing, and water washing, the degreasing step is adopting a water-based metal degreaser to carry out an oil removing treatment on the photovoltaic plate frame surface, the hot zinc plating step comprises heating a zinc liquid to a temperature of 455-480 DEG C, placing the photovoltaic plate frame into the zinc liquid, maintaining for 1-1.5 min, and taking out, the zinc liquid contains 0.07-0.1% by mass of aluminum, and the leaching assisting step is set between the drying step and the hot zinc plating step. According to the present invention, the process route is simple, and the photovoltaic plate frame surface corrosion resistance quality is easily achieved.

The invention discloses an anticorrosion processing method used for surface of a metal member, which is used for anticorrosion processing of surface of a photovoltaic flat rack. The anticorrosion processing method comprises the steps of cleaning, drying, galvanizing and cooling in order, and the cleaning step comprises the steps of degreasing, examining, pickling and washing in order, the drying and galvanizing steps also comprise an assistant leaching step, the assistant leaching step is characterized in that the photovoltaic flat rack is immersed into a plating auxiliary for 5-8 minutes, the temperature of the plating auxiliary is between 50-57 DEG C, the plating auxiliary contains zinc chloride and ammonium chloride, the mass ratio of zinc chloride to ammonium chloride is between 1 and 4 to 1 and 10, and the plating auxiliary also contains glycerin. According to the invention, the technology route is simple, and the method is benefit for obtaining smoother galvanizing layer surface layer and more uniform galvanizing layer composition.