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    • 1. 发明授权
    • Selector valve
    • 选择阀
    • US5193581A
    • 1993-03-16
    • US853072
    • 1992-03-17
    • Yoshimi ShirotoNobuhiro OndaYoshiharu KataokaHirotoshi KogaAkihiro Fujimori
    • Yoshimi ShirotoNobuhiro OndaYoshiharu KataokaHirotoshi KogaAkihiro Fujimori
    • F16K11/074
    • F16K11/0743Y10T137/5762Y10T137/86501Y10T137/86863
    • A selector valve used for distributing and combining process flow. This valve comprises an open-ended cylindrical casing, a valve seat secured to the casing, an inlet hole extending coaxially with the casing through the valve seat, a plurality of outlet holes extending through the valve seat and arranged in a circle concentrical with the casing, a valve body fitted in the casing and rotatable about its axis, a U-shaped passage formed in the valve body such that its one end opens at a position coinciding with the inlet hole and its other end opens at a position meeting the circle, a spring provided within the casing for urging the valve body toward the valve seat so that the valve body is maintained in pressure contact with the valve seat, a driving mechanism for rotating the valve body through a desired angle so that the inlet hole can be in fluid communication with selected one of the outlet holes through the U-shaped passage, an annular groove formed on the surface of the valve body to define an annular, close space between the valve seat and the valve body at a position inside of the circle and a discharge hole extending through the valve seat at such a position as to be in fluid communication with the space.
    • 用于分配和组合工艺流程的选择阀。 该阀包括开口的圆柱形壳体,固定到壳体的阀座,通过阀座与壳体同轴延伸的入口孔,多个出口孔,其延伸穿过阀座并且布置成与壳体同心的圆形 安装在壳体中并能够绕其轴线旋转的阀体,形成在阀体中的U形通路,使得其一端在与入口孔重合的位置处打开,并且其另一端在与圆形相遇的位置处打开, 设置在壳体内的弹簧,用于向阀座推动阀体,使得阀体与阀座保持压力接触;驱动机构,用于使阀体旋转所需的角度,使得入口孔可以在 通过U形通道与所选择的一个出口孔流体连通,形成在阀体表面上的环形槽,以在阀座和阀之间限定一个环形紧密的空间 在所述圆周内的位置处形成一个位置,并且在与所述空间流体连通的位置处延伸穿过所述阀座的排出孔。
    • 8. 发明授权
    • Production of high purity vanadium compound from vanadium-containing carbonaceous residues
    • 从含钒碳质残渣生产高纯钒化合物
    • US06652819B2
    • 2003-11-25
    • US09873202
    • 2001-06-05
    • Yoshimi ShirotoAtaru Wakabayashi
    • Yoshimi ShirotoAtaru Wakabayashi
    • C01G3100
    • H01M8/188C01G31/00C22B3/08C22B7/001C22B7/007C22B34/225H01M4/5825Y02E60/528Y02P10/214Y02P10/23Y02P10/234Y02P20/129Y02P70/56
    • A process for the production of a vanadium compound from carbonaceous residues containing vanadium, which includes the steps of: (a) combusting the carbonaceous residues at a temperature of 500-690° C. in an oxygen-containing gas to form vanadium-containing combustion residues; (b) heating the vanadium-containing combustion residues at a temperature T in ° C. under an oxygen partial pressure of at most T in kPa wherein T and P meet with the following conditions: log10(P)=−3.45×10−3×T+2.21 500≦T≦1300 to obtain a solid product containing less than 5% by weight of carbon and vanadium at least 80% of which is tetravalent vanadium oxide; (c) selectively leach tetravalent vanadium ion with sulfuring acid at pH in the range of 1.5-4; (d) separating a liquid phase from the leached mixture; (e) adding an alkaline substance to the liquid phase to adjust the pH thereof in the range of 4.5-7.5 and to selectively precipitate vanadium ion as a tetravalent vanadium compound; and (f) separating the precipitates.
    • 一种从含有钒的碳质残渣中生产钒化合物的方法,其包括以下步骤:(a)在含氧气体中在500-690℃的温度下将含碳残余物燃烧以形成含钒燃烧 残余物;(b)在温度T℃下,以最高T(kPa)以下的氧分压加热含钒燃烧残余物,其中T和P满足以下条件:获得含有小于5的固体产物 碳和钒的重量百分比,其中至少80%是四价钒氧化物;(c)在pH为1.5-4的范围内用硫酸选择性浸提四价钒离子;(d)从浸出的混合物中分离液相 ;(e)向液相中加入碱性物质以将pH调节在4.5-7.5的范围内,并选择性地将钒离子作为四价钒化合物沉淀; 和(f)分离沉淀物。
    • 10. 发明授权
    • Catalysts for hydrotreatment of heavy hydrocarbon oils containing
asphaltenes
    • 用于加氢处理含有沥青质的重质烃油的催化剂
    • US4422960A
    • 1983-12-27
    • US210059
    • 1980-12-14
    • Yoshimi ShirotoTakeo OnoSachio AsaokaMunekazu Nakamura
    • Yoshimi ShirotoTakeo OnoSachio AsaokaMunekazu Nakamura
    • B01J21/00B01J23/74B01J23/85B01J23/882B01J23/887B01J35/00B01J35/10C10G45/04C10G47/10C10G55/06C10G65/04C10G65/12B01J21/04B01J23/22B01J23/24B01J27/04
    • B01J23/882B01J23/85B01J23/8872B01J35/10B01J35/002B01J35/1019B01J35/1061B01J35/108C10G2300/107
    • A catalyst for hydrotreating a heavy hydrocarbon oil containing asphaltenes comprises a porous carrier composed of one or more inorganic oxides of at least one element selected from among those of Groups II, III and IV of the Periodic Table, and at least one catalytic metal component composited with the carrier. The metal of the catalytic metal component is selected from among those of Groups VB, VIB, VIII and IB of the Periodic Table. The catalyst contains about 1 to 30% by weight of such catalytic metal component and has the following pore characteristics with regard to its pores having a diameter of 75 .ANG. or more: an average pore diameter APD of about 180 to 500 .ANG., a total pore volume PV, expressed in cc/g, being equal to or greater than a value X ##EQU1## the volume of pores with a diameter of about 180 to 500 .ANG. being at least about 0.2 cc/g, the volume of pores with a diameter of at least 1,500 .ANG. being not greater than about 0.03 cc/g, and a total surface area being at least about 60 m.sup.2 /g. The catalyst has an average catalyst diameter ACD, expressed in millimeters, of not greater than a value of the formula, ACD=(APD/100).sup.0.5. Disclosed also are a method of preparing such a catalyst, and a process for hydrotreating a heavy hydrocarbon oil containing asphaltenes in the presence of such a catalyst.
    • 用于加氢处理含有沥青质的重烃油的催化剂包括由一种或多种选自元素周期表II,III和IV族中的至少一种元素的一种或多种无机氧化物组成的多孔载体,以及至少一种催化金属组分 与承运人。 催化金属组分的金属选自元素周期表的VB,VIB,VIII和IB族。 该催化剂含有约1至30重量%的这种催化金属组分,并且对于其直径为75埃或更高的孔具有以下孔特性:平均孔径APD为约180至500安培姆,总孔 体积PV以cc / g表示,等于或大于直径为约180至500的孔的体积至少约0.2cc / g,具有直径的孔的体积 至少1500安培角不大于约0.03cc / g,总表面积为至少约60m 2 / g。 催化剂的平均催化剂直径ACD(以毫米表示)不大于式的值ACD =(APD / 100)0.5。 还公开了制备这种催化剂的方法,以及在这种催化剂存在下,对含有沥青质的重质烃油进行加氢处理的方法。