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    • 4. 发明授权
    • Pulverizer
    • 粉碎机
    • US09022307B2
    • 2015-05-05
    • US13792988
    • 2013-03-11
    • Shigeaki KakudaNobuyasu Makino
    • Shigeaki KakudaNobuyasu Makino
    • B02C19/06B02C19/00
    • B02C19/0043B02C19/066
    • The pulverizer including a pulverization chamber, a jet nozzle, a pulverization nozzle, and a collision member is provided. The pulverization nozzle includes an acceleration tube. The acceleration tube includes an acceleration part A and an acceleration part B. A center (a) of the supply aperture is positioned within the acceleration part A. A point of intersection (b) where central axes of the acceleration tube and the supply aperture intersect is positioned within the acceleration part B. An angle θ formed between the central axes of the acceleration tube and the supply aperture satisfies an inequation 30°≦θ
    • 提供了包括粉碎室,喷嘴,粉碎喷嘴和碰撞构件的粉碎机。 粉碎喷嘴包括加速管。 加速管包括加速部分A和加速部分B.供给孔的中心(a)位于加速部分A内。加速管和供给孔的中心轴相交的交点(b)相交 位于加速部分B内。角度和角度; 形成在加速管的中心轴与供应孔之间,满足不等式30°&nlE;&Thetas; <60°。
    • 5. 发明申请
    • MICRONIZING DEVICE FOR FLUID JET MILLS
    • 用于流体喷枪的微型装置
    • US20140326814A1
    • 2014-11-06
    • US14114090
    • 2011-10-10
    • Aleardo Cattivelli
    • Aleardo Cattivelli
    • B02C19/06
    • B02C19/061B02C19/06B02C19/066
    • This invention relates to a micronizing device for fluid jet mills, comprising: a containing body (2) internally delimiting a substantially cylindrical grinding chamber (3); a plurality of nozzles (18), each presenting a mouth (22) opening onto a radially internal side wall (8) of the grinding chamber (3); a supply duct (9) for material to be micronized, opening into the grinding chamber (3); at least one injection duct (12) for pressurized fluid, in fluid communication with said nozzles (18). The nozzles (18) present a pressurized fluid injection direction (X-X) which is tangent to an imaginary circle included inside the grinding chamber (3). The radially internal side wall (8) presents, at each nozzle (18), a first portion (23) which is substantially perpendicular to the injection direction (X-X) of the respective nozzle (18).
    • 本发明涉及一种用于流体喷射式粉碎机的微粉化装置,其特征在于,包括:内部界定大致圆柱形的研磨室(3)的容纳体(2) 多个喷嘴(18),每个喷嘴(18)具有通向所述研磨室(3)的径向内侧壁(8)上的口(22)。 用于被微粉化的材料的供应管道(9),通向研磨室(3)中; 用于加压流体的至少一个注射管道(12),与所述喷嘴(18)流体连通。 喷嘴(18)具有与包括在研磨室(3)内部的假想圆相切的加压流体喷射方向(X-X)。 径向内侧壁(8)在每个喷嘴(18)处呈现大致垂直于相应喷嘴(18)的喷射方向(X-X)的第一部分(23)。
    • 6. 发明授权
    • Airflow pulverization and classification device, and pulverization method
    • 气流粉碎分级装置,粉碎方法
    • US08267340B2
    • 2012-09-18
    • US12649768
    • 2009-12-30
    • Nobuyasu Makino
    • Nobuyasu Makino
    • B02C23/08
    • B02C19/066B02C23/12
    • The airflow pulverization and classification device includes a pulverizer and a classifier. The pulverizer includes a pulverization chamber including a collision member; a jet nozzle directing jet flow toward the pulverization chamber; a feeder feeding a particulate material; a supply nozzle having an acceleration tube connected with the jet nozzle and the pulverization chamber, and a supply tube connected with the feeder and the acceleration tube to supply the particulate material the acceleration tube so that the particulate material is collided with the collision member; and a pressure gauge measuring a static pressure in the feeder and/or the supply tube, and/or a static pressure at the junction of the acceleration tube and the supply tube to control the supply conditions of the particulate material supplied to the acceleration tube on the basis of the measured static pressure.
    • 气流粉碎分级装置包括粉碎机和分选机。 粉碎机包括:包括碰撞部件的粉碎室; 喷射喷嘴将射流引向粉碎室; 馈送微粒材料的送料器; 供给喷嘴,其具有与喷嘴和粉碎室连接的加速管,以及与进料器和加速管连接的供给管,用于向粒状材料供给加速管,使得颗粒材料与碰撞部件碰撞; 以及测量进料器和/或供应管中的静压力的压力表和/或加速管和供应管的接合处的静压力,以控制供应到加速管的颗粒材料的供应条件 测量静压的基础。
    • 8. 发明授权
    • Method of making proppants used in gas or oil extraction
    • 制造用于气体或油提取的支撑剂的方法
    • US08235313B2
    • 2012-08-07
    • US12556737
    • 2009-09-10
    • Mark J. Ziegler
    • Mark J. Ziegler
    • B02C19/06
    • C09K8/80B02C19/066B03B9/00C04B14/06C04B20/0044C04B20/02
    • A method of making frac sand having a selected grade from a naturally occurring, mined sand having a SiO2 content of at least about 80 percent and having a particle size range where the maximum particle size is less than about 8.0 mm, comprising: crushing the mined sand into an intermediate particulate material; screening the particulate material into a feedstock with particles having a particle size coarser than about 350 mesh and initial values for roundness and sphericity of the particles; passing the particles of the feedstock through a blast tube with an outlet to pneumatically abrade the particles and propel the feedstock in a stream under a given pressure from the outlet; directing the pressurized stream against a fixed target located at a given distance from said outlet to physically abrade the particles to form an output mass containing abraded particles: and, repeating operations (c) and (d) a number of times or process stages until the particles resulting from the repeatedly abraded output mass is a final output mass having both processed roundness and sphericity values of at least 0.6 and wherein the values are greater than the initial values of the feedstock by at least about 0.10 to 0.50.
    • 一种制备具有SiO 2含量为至少约80%且具有最大粒径小于约8.0mm的粒度范围的天然存在的开采砂的具有选定等级的压裂砂的方法,包括: 砂成中间颗粒材料; 将颗粒材料筛选成具有粒径大于约350目的颗粒的颗粒的原料,并且颗粒的圆度和球形度的初始值; 使原料的颗粒通过具有出口的鼓风管道气流磨碎颗粒并在给定压力下从出口推进原料流; 将加压流引导到距离所述出口位于给定距离处的固定目标物质磨碎颗粒以形成含有磨损颗粒的输出物质;以及重复操作(c)和(d)多次或处理阶段,直到 由反复磨损的输出质量产生的颗粒是具有至少0.6的加工圆度和球形度值的最终输出质量,并且其值大于原料的初始值至少约0.10至0.50。
    • 9. 发明授权
    • Muller
    • 穆勒
    • US07513447B2
    • 2009-04-07
    • US10554029
    • 2004-04-20
    • Kwang-Jae Lee
    • Kwang-Jae Lee
    • B02B1/00B02B5/02B02C11/08B02C21/00B07B4/00B07B7/00
    • B02C23/18B02C19/066B02C23/02
    • A muller for finely mulling a material to be processed is disclosed. The muller comprises a nozzle unit (10) including feed lines (12a and 12b) and hollow pipe lines (120a and 120b), a mulling unit (20) including a mulling head (22), and an input device (30) including a hopper (310) and a feeder (322). The muller finely mulls the material even if it has a relatively large particle size, and continuously feeds the material while mulling it in order to improve productivity. The muller conducts cold mulling of the material or maintains the temperature thereof by employing a cooling system to prevent the generation of heat due to inter-material collision as the material is transferred, or friction against the feed lines, thereby extending the lifespan of the muller. The muller requires no separate classifier by employing successively arranged mulling units (20a to 20n) to accomplish a high economical efficiency.
    • 公开了一种用于精细研磨待处理材料的研磨机。 该研磨机包括一个包括进料管线(12a和12b)和中空管道管线(120a和120b)的喷嘴单元(10),一个包括一个研磨头(22)的研磨单元(20)和一个输入装置 料斗(310)和进料器(322)。 研磨机即使具有相对较大的颗粒尺寸,也可以精细地研磨材料,并且在研磨材料的同时连续地进料以提高生产率。 研磨机通过采用冷却系统来冷却材料的冷却或保持其温度,以防止由于材料被转移而产生材料间的碰撞,或者与进料管线摩擦,从而延长了熔化器的使用寿命 。 通过采用连续布置的调色单元(20a至20n),无需单独的分选机来实现高经济性。
    • 10. 发明申请
    • Graphite platelet nanostructures
    • 石墨血小板纳米结构
    • US20020054995A1
    • 2002-05-09
    • US09951532
    • 2001-09-14
    • Marian Mazurkiewicz
    • D02G003/00
    • C08K7/00B02C19/06B02C19/065B02C19/066C01B32/20C01B32/225C01P2004/24C01P2004/54C01P2006/12C08K3/04C08K2201/016C08L33/04C08L35/06Y10T428/2913Y10T428/2918
    • Separated graphite nanostructures are formed of thin graphite platelets having an aspect ratio of at least 1,500:1. The platelets have an angular geometric structure and may be fully independent from an original graphite particle, or partially attached to the particle. The graphite platelets have an average thickness in the range of 1-100 nm. The graphite nanostructures are created from synthetic or natural graphite using a high-pressure mill. Fluid jets of the high-pressure flaking mill cause fluid to enter the tip of cracks in the graphite particles, which creates tension at the tip. This tension causes the cracks to propagate along the natural planes in the graphite so that small particles of the graphite separate into platelets. The platelets can be treated after the milling process by drying the platelets in a spray dryer. The platelets may optionally be introduced into a hydrocyclone to separate the platelets by size. The resulting graphite nanostructures can be added to conventional polymers to create polymer composites having increased mechanical characteristics, including an increased flexural modulus, heat deflection temperature, tensile strength, electrical conductivity, and notched impact strength.
    • 分离的石墨纳米结构由具有至少1,500:1的纵横比的薄的石墨片形成。 血小板具有角几何结构,并且可以完全独立于原始石墨颗粒,或部分附着于颗粒。 石墨血小板的平均厚度在1-100nm的范围内。 石墨纳米结构由使用高压磨的合成或天然石墨制成。 高压剥离磨机的流体射流使流体进入石墨颗粒中的裂纹尖端,这在尖端产生张力。 这种张力导致裂纹沿着石墨中的天然平面传播,使得石墨的小颗粒分成血小板。 可以在研磨过程之后通过在喷雾干燥器中干燥血小板来处理血小板。 可以将血小板引入水力旋流器中以将血小板分开大小。 所得到的石墨纳米结构可以加入到常规聚合物中以产生具有增加的机械特性的聚合物复合材料,包括增加的弯曲模量,热变形温度,拉伸强度,导电性和缺口冲击强度。