113results about How to "Strong process applicability" patented technology

The invention discloses a hydraulic support plunger outer surface laser cladding repairing method. The hydraulic support plunger outer surface laser cladding repairing method comprises the following steps that firstly, turning is carried out on the outer surface of a hydraulic support plunger to be repaired to remove a fatigue layer and an electroplated layer on the outer surface of the hydraulicsupport plunger, and the outer surface of the hydraulic support plunger is washed; secondly, iron-base alloy powder for laser cladding is put into laser cladding equipment, the laser cladding equipment is used for carrying out laser cladding on the outer surface of the hydraulic support plunger, and a laser cladding layer is formed; thirdly, rough turning is carried out on the hydraulic support plunger which is subjected to laser cladding; fourthly, abrasive machining and polishing treatment are carried out on the hydraulic support plunger which is subjected to rough turning, and the roughnessRa of the outer surface of the polished hydraulic support plunger is smaller than or equal to 0.4; and fifthly, checking and flaw detection are carried out on the outer surface of the polished hydraulic support plunger, and laser cladding repairing of the outer surface of the hydraulic support plunger is completed after it is ensured that no defect exists. The laser cladding layer formed throughthe repairing method is high in hardness, large in thickness and high in corrosion resistance and longer in service life.

The invention discloses a high speed production method for controlling a banded structure of a low carbon steel wire rod, and belongs to the technical field of steel rolling. The method comprises the following steps: keeping the temperature of 1,080-1,120DEG C of a soaking zone of a heating furnace for 30 to 40 minutes to ensure the homogenous dispersion of alloying elements; performing 6-pass roughing, 6-pass medium rolling, 6-pass pre-finish rolling and 10-pass no twist finish rolling, and reasonably setting the rolling temperature and deformation of each deformation stage; starting and strengthening water cooling guide positions in the finish rolling process, and keeping the finish rolling temperature rise at 100-120DEG C; quickly cooling by using five water cooling tanks, ensuring that the first three water cooling tanks reduce temperature of 100-150DEG C, and keeping the spinning temperature at 850-900DEG C; and after spinning of the wire rod, reasonably setting a roller bed transmission speed and the thickness of the wire rod on a Stelmor air cooling line, and keeping the air cooling speed at 1-3DEG C/s and the phase-transition temperature at 700-780DEG C. The high speed production method has the advantages that the level of the banded structure of the low carbon steel wire rod is effectively controlled to be below level 2, the texture uniformity and cold heading property of the material are greatly improved, and the process applicability is high.

The invention relates to a bone coal sodium roasting vanadium extraction process, which comprises levigating bone coal ore after evenly mixing with common salt, agglomerating ore to roast, calcining to leach through adding water, enriching leaching solution through filter membrane entrapment or anion exchange resin absorption, depositing ammonium metavanadate through adding vanadium-enriching solution, conducting ammonium metavanadate pyrolysis to obtain vanadium pentoxide product, desalting through electrodialysis after vanadium extraction, wherein concentrated water is used to bone coal agglomerate and fresh water is return for roasting and water leaching. The invention has the advantages of simple technology, small water and natrium chloratum agent consumption, high metal recovery, low productive cost and non waste water discharge and the like.

The present invention relates to heat treatment, and is especially internal and external bearing ring quenching process and quenching press. The quenching process includes the steps of mounting and heating, feeding quenching material, simultaneous quenching of the internal bearing ring and the external bearing ring, and discharging. The special quenching apparatus includes internal bearing ring quenching apparatus, external bearing ring quenching apparatus and manipulator for grabbing the outer bearing ring. The external bearing ring quenching press is provided with fixing mold, the internal bearing ring quenching apparatus is provided with expanding mold, and the quenching process is one closed immersing process. The present invention has homogeneous quenching and is suitable for batch heat treatment.

The invention provides a method for repairing and remanufacturing the surface of a piston rod of a hydraulic cylinder or the outer surface of an intermediate cylinder for coal mines. Aiming at remanufacturing after the surface of the piston rod of the hydraulic cylinder or the outer surface of the intermediate cylinder for the coal mines is damaged and fails, the long-term practice is combined, a metal wire adopting the specific metal powder proportion is creatively designed to serve as a powder core wire, and namely the metal wire is formed by wrapping the metal powder with Cr, Ni and Fe as the main ingredients through a stainless steel foil layer; based on the arc thermal spraying process method, the surface is repaired and remanufactured creatively, and on the premise that the corrosion resistance and the hardness of the repaired layer of the surface are equal to those of the surface treated through the surface laser cladding technology, consideration is given to the good economic applicability and the good practical production efficiency; an existing electroplating technology can be completely replaced, and the method has the wide application and popularization prospects in repairing of the piston rod of the hydraulic support oil cylinder and the intermediate cylinder for the coal mines.

The invention discloses a production technology for iron phosphate and a production device thereof. The production technology for iron phosphate comprises the following steps: 1) synthesizing an ironsolution; 2) synthesizing iron phosphate; 3) washing; 4) recycling washing liquor; 5) drying and sintering; 6) smashing, mixing and packaging. The device used in the invention has a simple structure and convenience in operation; raw materials are extensive in source, easy to get and low in cost; a great convenience is brought to industrial production. The technology defined in the invention is high in applicability and is capable of adapting to various raw materials, such as iron source, phosphorus source and oxidizing agent; wastewater generated by the production technology of the invention can be conventionally treated and then recycled; recycling of water resource can be realized; salts in recycled wastewater are used as raw materials; the risk in polluting environment of discharging can be reduced; cost of raw materials is lowered.

The invention belongs to a resin based composite material liquid forming technique, and relates to a composite material liquid pressure forming method. The periphery of a predetermined mold body is filled with resin, and the predetermined mold body is continuously pressurized and cured successively by resin via a first pressure source and a second pressure source. According to the invention, the predetermined mold body is pressurized and cured continuously by resin; a molded composite material product not only has high fiber volume content equivalent to a composite material molded by a prepreg/autoclave technique, but also has the high precision equal to the composite material molded by an RTM technique; the applicable range of the composite material molded by a liquid forming technique is expanded; the molding efficiency is improved obviously; the manufacturing cost is reduced.

The invention discloses a 300mm vertical oxidation furnace heat preservation barrel, which is characterized by being provided with a bottom quartz plate (1), intermediate quartz sheets (2), supporting rods (3) and a top quartz plate (4); a plurality of supporting rods are vertically and fixedly installed between the bottom quartz plate and the top quartz plates; a plurality of quartz sheets are transversely, uniformly and fixedly installed on the supporting rods at intervals; and the upper surface of the top quartz plate is provided with a fixing groove (4.1) which is used for fixing a quartz boat. The bottom quartz plate and the top quartz plate are in the shape of circular ring; the intermediate quartz sheets are in the shape of circular sheet, and the structure of the intermediate quartz sheets is an OP material layer (2.1) in the middle and a high-purity transparent quartz plate material coating layer (2.2) on the upper layer, lower layer and the periphery. The invention is applicable to the support and heat preservation of the quartz boat of a vertical oxidation furnace, has complete structure, good heat preservation effect and high cleanness, and can ensure the processing quality.

The invention relates to a ceramic basic glaze with a health maintenance function and an environment-friendly function and a use method thereof. The ceramic basic glaze is prepared from natural mineral raw materials and industrial pure raw materials by weight percent: 30-55% of feldspar, 15-30% of quartz, 10-25% of calcite, 1-8% of talc, 3-8% of barium carbonate, 1-3% of strontium carbonate, 1-3% of lithium carbonate, 1-8% of zinc oxide, 1-8% of rutile, 3-8% of kaolin and 3-10% of negative ion generating agent; the glaze is prepared by mixing, ball-milling and screening the raw materials. The glaze manufacture process is basically same as the normal ceramic glaze process, the cost is low, the monochrome glaze, fancy glaze or transmutation glaze can be manufactured by adding different ceramic pigment, the manufactured ceramic product is integrated with functionality and beauty, and is stronger in practicability, higher in technique content and better in process applicability in comparison with the similar technique principle product on the market at present, and the manufactured ceramic product has wide application prospect.

The invention discloses a full-transition metal nitride current collector/electrode supercapacitor and a preparation method thereof, and belongs to the technical field of new energy materials and devices. Firstly, impurities on the surface of a substrate material are removed through cleaning. Secondly, a layer of high-density and high-conductivity transition metal nitride film is deposited on thesurface of the substrate to serve as an electron transport current collector material. Thirdly, a layer of loose, porous and low-conductivity transition metal nitride film is directly and continuouslygrown on the current collector by regulating and controlling deposition process parameters to serve as an electrode material. According to the invention, the current collector and the electrode are both transition metal nitrides which grow continuously. The performance of the material is cut by simply changing film deposition process parameters. The preparation method is simple, convenient and feasible in process, low in cost, multiple in thin film deposition technology selection types and high in process applicability. The problems of layered cracking and large contact resistance caused by poor adhesion force, lattice mismatch and thermal expansion coefficient difference between a heterogeneous current collector and an electrode material are solved. The power density, the thermal stability and the long-term service reliability of the super capacitor are greatly improved.

The present invention discloses method of locating and eliminating dyeing defect for silk fabric and solves the technological problem of eliminating dyeing defect from silk fabric without obvious damage on the strength of the silk fiber. The method includes the following steps: treating the silk fabric with dyeing defect with catalyst metal salt to make the dye adsorb the catalyst metal salt; rinsing to eliminate the catalyst metal salt adsorbed onto the silk protein while maintaining the catalyst metal salt adsorbed onto the dye molecules; oxidizing and stripping with hydrogen peroxide solution; reducing and eliminating color with thiourea to eliminate dyeing defect; and water washing. Thus treated silk fabric has whiteness over 68 and silk strength maintaining rate over 71 %.

The invention discloses polysiloxane modified silicon-containing arylacetylene resin and a preparation method thereof. The preparation method comprises the following steps: under inert gas shielding, stirring 5-30 parts of ethynyl aniline terminated polysiloxane (SO) and 70-95 parts of silicon-containing arylacetylene resin (PSA) by weight part at 100-140 DEG C to carry out reaction for 0.5-3h to obtain redish brown modified silicon-containing arylacetylene resin. As for the obtained ethynyl aniline terminated polysiloxane modified silicon-containing arylacetylene resin, while excellent heat resistance of the silicon-containing arylacetylene resin is kept, the viscosity of the resin is remarkably lowered, the processing properties and the dielectric properties are improved, the mechanical properties are further improved, and the application range of the silicon-containing arylacetylene resin as an ablation resistant material, a high-temperature resistant wave-transparent material, a ceramic precursor, a structure and function integrated material and the like in the aerospace field, the military field, the electronic field and the like is expanded.

The invention discloses a laminated lithium battery aluminum shell structure and a manufacturing method thereof. The structure comprises a shell bottom and a shell wall, wherein the shell bottom is completely located in the shell wall, the peripheral outline of the shell bottom is attached to the shell wall with a 0-0.2 mm gap reserved on each side, and the shell bottom and the shell wall are connected through friction stir spot welding. The laminated lithium battery aluminum shell structure manufactured with the method is high in strength reliability and sealing performance, neat and attractive in appearance, and capable of improving the shape consistency of batteries.

The invention relates to a heavy metal collecting agent and a thallium-removal method used for sintering desulfurization waste water. The method is divided into two stages, wherein the first-stage treatment comprises the steps of adjusting the thallium-containing waste water to be alkaline, and adding coagulant; the second-stage treatment comprises the steps of adding agentia and coagulant to supernatant obtained after solid-liquid separation of the first-stage treatment, and effluent is drained outward directly after being subjected to press filtering. The agentia is prepared from, by weight, 20-30% of urea, 1-3% of linear chain small molecule amine substances, 4-9% of carbon disulfide, 0.4-0.7% of epoxy chloropropane, 0.5-0.8% of surfactant and the balance water. A preparation method comprises the steps of adding water for being mixed with urea, amine substances and epoxy chloropropane, stirring the mixture for a certain time at the room temperature, then dropwise adding carbon disulfide, continuing with the reaction, after a period of time passes, raising the temperature, continuing stirring, after the reaction is completed, lowering the temperature to the room temperature, adding surfactant, stirring the mixture uniformly, and obtaining the product. According to the heavy metal collecting agent and the thallium-removal method used for sintering the desulfurization waste water, the agentia is added to the thallium-containing waste water to be treated, and metal complex is formed after the mixture is stirred sufficiently. By means of the process, thallium and other heavy metal ions in the sintering desulfurization waste water can be effectively removed, environmental pollution is avoided, and waste water treatment cost is effectively lowered.

The invention discloses a connecting structure of lithium battery plate lugs and poles. The connecting structure comprises lugs of a multi-layer foil sheet structure formed by superposing a plurality of layers of foil sheets, wherein the plate lugs comprise a positive electrode plate lug and a negative electrode plate lug; the plate lugs are pressed and packaged by virtue of buffer foil sheet machinery; butt-joint side foil sheets of the buffer foil sheets packaging the plate plugs are superposed and pressed; the plate lugs and the buffer foil sheets are mechanically pressed for pre-connected by virtue of ultrasonic welding; poles are arranged at single-layer sides of the buffer foil sheets; the poles, the plate plugs and the buffer foil sheets are connected by welding; and the adopted welding mode is a filling type stirring friction spot-welding mode. The connecting structure of lithium battery plate lugs and poles manufactured by the manufacturing method disclosed by the invention has the advantages of good reliability and conductivity, capacity of improving the battery consistency, beautiful appearance, and relatively strong processing suitability.

The invention discloses a lead-free high-frequency brazing method for a deformed zinc alloy grafting structure. The lead-free high-frequency brazing method is characterized by comprising the following steps of: a, inspection process: inspecting a weldment and a brazing filler metal; b, treatment process before assembling: using abrasive paper to grind a brazing part, and using acetone to clean the brazing part; c, assembling process: inserting a zinc alloy bar in an inserting hole, keeping the zinc alloy bar in an upright state and inserting the zinc alloy bar to the bottom, annularly sleeving the the brazing filler metal at a part to be brazed, and coating a brazing flux at a brazing seam; d, high-frequency sensing brazing process: adjusting specification parameters according to the type of a brazing machine to weld; and e, treatment process after brazing: timely using clear water to clean residuals at the brazing seam. Compared with the existing technology, the lead-free high-frequency brazing method has the advantages that: the lead-free brazing filler metal is used so that the working condition is greatly improved, the lead-free high-frequency brazing of the deformed zinc alloy is achieved by the the steps of assembling before brazing, the adjustment of the high-frequency sensing brazing process parameters and the treatment after brazing, the obtained brazing seam is full and smooth, and the connection strength is improved.

The invention discloses bubble yoghurt with a long shelf life and a preparation method thereof and relates to a formula of the bubble yoghurt with a long shelf life and the preparation method thereof. The invention aims at providing bubble yoghurt with high protein content, low fat content, long shelf life and high viable bacteria content and the preparation method thereof. The bubble yoghurt with a long shelf life is prepared from the components in parts by mass: milk, 0.5-2.0 parts of condensed whey protein, 6-10 parts of white granulated sugar and 0.3-1 part of compound thickening agent. The preparation method comprises the following steps: weighing of raw materials; hydration of protein and milk powder; melting; mixing to a constant volume; homogenization; sterilization; inoculation fermentation; emulsion breaking and cooling; encapsulation and post maturation; and refrigeration of finished products. The fat content of the bubble yoghurt with a long shelf life is reduced from 6.0-8.0% in the existing market products to 2.5-3.0%, beneficial viable bacteria in the yoghurt are reserved, simultaneously the shelf life is prolonged, obvious bubbles are formed after the product is shaken, and the product is uniform and stable before and after being shaken. The bubble yoghurt with a long shelf life and the preparation method thereof are used for the technical field of dairy processing.