164results about How to "Increase granularity" patented technology

The invention provides a preparation method of a TC4ELI titanium alloy bar. The preparation method comprises the following steps of: (1) carrying out cogging forging; (2) carrying out upsetting forging; (3) carrying out precise forging; (4) carrying out shearing, straightening and annealing treatment in sequence, thereby obtaining the cylindrical TC4ELI titanium alloy bar with the cross-section diameter of 15mm-90mm. The invention also provides a preparation method of the TC4ELI titanium alloy bar. The preparation method comprises the following steps of: (1) carrying out cogging forging; (2) carrying out upsetting forging; (3) carrying out precise forging; (4) rolling; (5) carrying out shearing, straightening and annealing treatment in sequence, thereby obtaining the cylindrical TC4ELI titanium alloy bar with the cross-section diameter of 8mm-15mm. The preparation method is simple in process, strong in repeatability and suitable for large-scale industrial production; the TC4ELI titanium alloy bar prepared by adopting the preparation method is uniform and fine in structure, high in microscopic structure level and excellent in mechanical property.

The invention discloses a system and a method for continuous extrusion production of a fine-grain magnesium alloy strip. The system comprises a decoiling emptying device, an on-line straightening device, an on-line heating device, a continuous extrusion device, a cooling device and a winding displacement collection device. Through control of a temperature of a rod, a good extrusion driving force is produced between the rod and an extrusion wheel groove. Through an expansion mold cavity and a flow-blocking mold, magnesium alloy expansion flowing in a width direction is realized. In order to extrude a plate having larger width, the system adopts a two/three rod feeding-type extrusion mode so that joining and intermetallic welding of multiple rods in a corresponding multi-rod mold cavity are realized. The system and the method have the advantages that a process route is short; production efficiency is high; a grain refinement degree of a product microstructure is high; plate formability is good; and a continuous production line provided by the invention is suitable for industrial application.

The invention discloses a forage refined processing device for producing livestock production. The forage refined processing device comprises a base plate, wherein a supporting framework is verticallyand fixedly arranged on the base plate; a second driven bevel gear which is in meshed connection with a driving bevel gear is fixedly arranged on a second driven shaft in a sleeving manner; a plurality of cutting blades are fixedly arranged at the bottom of a cutting pressure disc at equal intervals; a stamping block is positioned in a smashing groove; a driving rack upward extends above the supporting framework. The forage refined processing device disclosed by the invention has the advantages that the cutting pressure disc is driven by vertical reciprocation of the supporting framework to preliminarily cut and smash forage into segments in a feeding chute; a driving shaft drives smashing blades to rotationally cut the forage entering a smashing tank, so that secondary smashing and refining of the forage are realized; the stamping block is driven by vertical reciprocation of a stamping rod to perform repeated impact crushing on the forage in the smashing groove, and further third-time smashing of the forage is realized; by using three-time smashing action, the refining degree of the forage is greatly improved, as well as high smashing speed and good smashing effect are realized.

The invention discloses a method for producing low-carbon steel or low-alloy steel plate having submicron crystal grain which comprises the steps of, subjecting the raw steel billets to austenizing treatment above Ac3 temperature, hot-rolling at the temperature of over Ar3, fast cooling after rolling, performing warm-rolling or cold rolling at the temperature range from 600 deg. C. to room temperature, direct cooling or roll bending after rolling.

The invention discloses a tungsten-based plasma facing material and a preparation method thereof. The preparation method comprises the following steps: uniformly mixing tungsten powder and tungsten fiber by a powder mixing method which does not damage the tungsten fiber; and sintering to prepare a bulk fiber toughened tungsten-based material by a hot isostatic pressing process. The tungsten powder is one of pure tungsten powder, tungsten-rhenium alloy powder, and tungsten powder doped with carbide and oxide; and the tungsten fiber is a pure tungsten wire, a tungsten-rhenium alloy wire or the like. The tungsten-based plasma facing material has the advantages of high thermal conductivity, high melting point temperature, low sputtering yield, low hydrogen isotope retention and low vapor pressure, as well as low cost and greater toughness.

The invention discloses a breaking refining device used for concrete block reutilization and relates to the technical field of building machines. The breaking refining device comprises a base and a smashing box fixed to the base. A top plate is fixed to the smashing box, and a screen tray is horizontally and rotationally arranged in the smashing box. A spur rack II is transversely installed in thesmashing box in a sliding manner, and the bottom of the spur rack II is connected with a transmission casing pipe in a pivot manner, wherein the transmission casing pipe is fixedly connected with a breaking pressing plate. The transmission casing pipe is fixedly sleeved with a cylindrical spur gear. By means of the breaking refining device, due to relative rotation of the breaking pressing plateand the screen tray, concrete blocks on the screen tray can be rotationally broken, the breaking pressing plate conducts transverse reciprocating motion while rotating, and the breaking range of the concrete blocks is greatly enlarged; the screen tray also has a screening effect, due to the cooperation of a grinding bottom plate and the screen tray, the effect of conducting secondary grinding on the primarily broken concrete blocks is achieved, and the refining degree is greatly promoted; and an arranged smashing blade rotates along with a driving shaft, the concrete grinding effect is greatlyimproved, and the refining degree is higher.

The invention discloses a device and a method for refining electromagnetic energy grains. The device is applied to semi-continuous casting equipment; an electromagnetic device comprises a silicon steel laminated core, a lifting platform, a lifting bracket and a coil; the coil is wound on the outer periphery of the silicon steel laminated core; a round hole is formed in the lifting platform; the silicon steel laminated core penetrates through the round hole, and is sleeved in the round hole of the lifting platform; the top end of the lifting bracket is connected to the lower surface of the lifting platform; the bottom end of the lifting bracket is detachably connected with a cast groove body; the lifting platform is supported by the lifting bracket; and the lifting bracket is used for adjusting the height of the lifting platform. The electromagnetic device performs electromagnetic energy processing on melts, so that the melts obtain electromagnetic energy generation transition, the grain refining degree of the melts is increased, and the mechanical performances and the deformation performance of ingots are improved.

The invention discloses iron-copper alloy powder and a preparation method thereof. The iron-copper alloy powder is prepared from the following raw materials in percentage by mass: 10-30 percent of copper oxide powder and 70-90 percent of iron-copper pre-alloyed powder. The preparation method comprises the following steps: selecting the copper oxide powder prepared through roasting and crushing, uniformly mixing the copper oxide powder and the iron-copper pre-alloyed powder according to a ratio, carrying out active diffusion sintering on the mixture in a reducing atmosphere, crushing and sieving the mixture subjected to sintering, and finally preparing the iron-copper alloy powder. The iron-copper alloy powder is lower in apparent density and good in formability, has the apparent density being 2.5-3.0g/cm<3> and the green strength being 12-15MPa, makes up for the deficiencies in the prior art and broadens the application market.

The invention discloses a traditional Chinese medicinal material treatment device for improving the refining degree. The traditional Chinese medicinal material treatment device comprises a bottom plate, a smashing cylinder, a rotary shaft and a grinding bowl. Vertical frames are symmetrically fixed to the left side and the right side of the top of the bottom plate, and a top plate is connected tothe position between the tops of the vertical frames on the two sides. The top of the rotary shaft is connected with the output end of a motor, the motor is fixed to a mounting frame, the top of the mounting frame is hinged to the lower surface of the top plate, and the bottom of the rotary shaft is rotatably fixed to the bottom face of an inner cavity of the smashing cylinder. A section of bent axle is arranged on the rotary shaft, a sleeve is movably arranged on the bent axle in a sleeving mode, a gap exists between the sleeve and the bent axle, a connection rod is hinged to one side of thesleeve, and the other end of the connection rod is hinged to the left side face of the vertical frame on the right side. A grinding roller is arranged at the bottom of the smashing cylinder, and the grinding roller abuts against the inner cavity face of the grinding bowl. The traditional Chinese medicinal material treatment device can effectively improve the refining degree of the traditional Chinese medicinal materials so that the traditional Chinese medicinal materials can be better absorbed by a human body when the traditional Chinese medicinal materials are treated.

The invention discloses an efficient pepper grinding device for seasoning processing, and relates to the technical field of pepper processing. The efficient pepper grinding device comprises a supportplate, wherein a grinding chamber is fixedly installed on the support plate, a second motor is fixed to the grinding chamber, a grinding roller I and a grinding roller II are in driving connection tothe grinding chamber by virtue of belt pulley mechanisms I, the grinding roller II is driven by a second motor, an eccentric grinding frustum is eccentrically and rotatably arranged in the grinding chamber, and grinding heads which are abutted with a metal net plate are uniformly fixed to the lower end of the eccentric grinding frustum. According to the efficient pepper grinding device, the grinding roller I and the grinding roller II rotate, so that peppers are preliminarily pulverized; the eccentric grinding frustum eccentrically rotates, so that the peppers are further ground; the peppers on the metal net plate are ground again by the grinding heads, and three-time grinding is performed, so that the pepper refining degree is greatly increased; and a transverse auger and a longitudinal auger are arranged, so that the circulation of the peppers is realized, repeated grinding is realized, the pepper refining degree is fully guaranteed, and the grinding efficiency is high.

The invention belongs to the field of wastewater treatment and particularly relates to a method for treating wastewater from dairy processing, comprising the following steps: (1) discharging the wastewater into a hydrolyzing adjusting pool through a machinery grille to be subjected to hydrolysis and acidification; (2) making the wastewater subjected to hydrolysis and acidification in the hydrolyzing adjusting pool enter an UASB (upflow anaerobic sludge bed) through an oil removing settling pond and a clear water pool to be subjected to anaerobic treatment; and (3) making the wastewater treated in the UASB reactor enter an SBR (sequencing batch reactor) to be subjected to aerobic treatment. The water from the hydrolyzing adjusting pool is more beneficial for anaerobic bacteria to ferment and gasify and play a role so that the yield of biogas increases gradually, the saving of power consumed by the subsequent aerobic process is considerable, the COD (chemical oxygen demand) of the water is low, and the problem on the subsequent treatment of a large number of scrum can be solved. The yield of the aerobic sludge decreases by 30%-50%, and the sludge dewatering and external transporting expenses are saved.

The invention provides a multi-granularity real-time hot spot aggregation method, comprising: performing data cleaning processing on input streaming data, showing the processed streaming data in structural data; performing word segmentation on the structural data in first preset time slice, and calculating weight of each segmented word in all streaming data; according to the weight of each segmented word, calculating weight of each event in the current time slice; aggregating events, and according to the weight of each event, calculating weight of each event cluster after aggregation; and according to the weight of each event cluster, generating a sorted event list. The technical scheme improves granularity of a final event display result, and event integrity and accuracy, and provides convenience for a user to rapidly and accurately obtain hot spot information.

The invention relates to a nitride enhanced copper-based electrical contact composite material, which comprises the following components in percentage by weight: 0.5 to 4 percent by nitride, 0.5 to 4 percent of bismuth, 0.1 to 0.6 percent of rare earth yttrium, 0.5 to 2.5 percent of yttrium oxide, and the rest is copper and other unavoidable impurities, wherein the nitride is titanium nitride or aluminum nitride. The material provided by the invention is made by a preparation method comprising the steps of preparing powder by atomization, proportioning, mixing and vacuum hot pressed sintering. The composite material takes copper as a base body, the main raw materials are rich in resources, the nitride is distributed in the copper base material uniformly and dispersedly in an enhanced phase mode, and the fineness degree of an internal organizational structure of the material is improved. The composite material not only has good electrical conductivity, thermal conductivity, welding resistance and arc ablation resistance, but also is excellent in mechanical property and abrasion resistance, can meet basic requirements of workpieces such as an electrical contact and the like for materials, and can be applied to low-voltage electrical apparatuses such as medium and low electrical-load power switches, relays, DC contactors, air switches and the like. Compared with a silver-based electrical contact material, the nitride enhanced copper-based electrical contact composite material is more advantageous in price-to-performance ratio.

The invention discloses a preparation method of a nano self-cleaning environment-friendly coating. The preparation method comprises the following steps: firstly, putting a nano titanium dioxide colloid into a stirring reaction kettle; adding deionized water, ethanol and an organic solvent for reaction to prepare a nano titanium dioxide colloidal solution; adding the nano titanium dioxide colloidalsolution into a heating stirrer, meanwhile, adding zeolite, inorganic environment-friendly filler, polyvinylpyrrolidone and sodium benzoate at the same time, then performing a stirring reaction to prepare a nano titanium dioxide emulsion, adding the nano titanium dioxide emulsion into a stirring kettle, adding a thickening agent and a defoaming agent, thereby preparing the nano self-cleaning environment-friendly coating. The environment-friendly coating has super-hydrophobic and oleophobic performance and excellent self-cleaning performance. The invention further provides a ball milling device, the ball milling device is used for grinding and refining titanium dioxide particles, mixed materials roll in the wheel sand cutting groove formed in the ball milling device, grinding and refiningare achieved, and the ball milling effect is good.

The present invention provides a fuel oil-gas energy-saving purifying processing method and a device thereof, which solves the problem of the prior method and device of not being capable of achieving ideal effect for liquid molecule morphological change. Liquid passes a conduit the outside of which is wrapped with a winding (5); the liquid passes the current power in watt of the winding (5) and then passes the alternating current on-off frequency in kHz. V is the flow of the liquid; the unit is g/s; M is the relative atomic weight of liquid molecule; K is the Van der Waals force constant of the liquid molecule.

The invention relates to a main valve element for a reversing valve. The main valve element comprises a lower valve sleeve, a valve element and an upper valve sleeve internally provided with a piston. The lower valve sleeve is inserted into the upper valve sleeve to be connected with the upper valve sleeve. The valve element is located in the lower valve sleeve and stretches into the piston. The upper valve sleeve is provided with an opening which is covered with an end cover. The upper valve sleeve, the lower valve sleeve and the valve element are all made of alloy steel. The alloy steel comprises 0.10-0.15% of C, 1.5-2.0% of Cr, 0.22-0.35% of Si, 0.8-1.2% of Mn, 0.045-0.06% of Al, 0.03-0.05% of N, 0.25-0.35% of Mo, 0.025-0.04% of Cu, 0.005-0.022% of S, 0.08-0.15% of V, 0.08-0.15% of RE, no more than 0.015% of P and the balance Fe. The main valve element is high in toughness and good in anti-tempering stability, cold-hot-fatigue resistance and high-temperature abrasion resistance.