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    • 2. 发明授权
    • Fluid catalytic cracking process, and gasoline and liquefied petroleum gas obtained by the process
    • 流化催化裂化过程,以及汽油和液化石油气得到的过程
    • US09567531B2
    • 2017-02-14
    • US12575503
    • 2009-10-08
    • Yuichiro FujiyamaToshiaki OkuharaShigeko Okuhara
    • Yuichiro FujiyamaToshiaki Okuhara
    • C10G11/18C10G51/02C10L1/06C10L3/12
    • C10G11/18C10G51/026C10L1/06C10L3/12
    • The fluid catalytic cracking process according to the present invention includes a first step of feeding a feedstock to a first fluid catalytic cracker, and catalytically cracking the feedstock in the first fluid catalytic cracker, so as to produce a fraction (LCO) having a boiling range of 221 to 343° C. and having a total aromatic content of 40 to 80 volume %; and a second step of feeding an oil to be processed containing the fraction to a second fluid catalytic cracker having a reaction zone, a separation zone, a stripping zone, and a regeneration zone, and catalytically cracking the oil in the reaction zone of the second fluid catalytic cracker, in the presence of a cracking catalyst, at an outlet temperature of the reaction zone of 550 to 750° C., a contact time between the oil and the catalyst of 0.1 to 1 second, and a catalyst/oil ratio of 20 to 40 wt/wt.
    • 根据本发明的流化催化裂化方法包括将原料进料到第一流化催化裂化器并在第一流化催化裂化器中催化裂化原料的第一步骤,以产生沸点范围的馏分(LCO) 的221至343℃,总芳族含量为40至80体积%; 以及第二步骤,将含有该馏分的待处理油被供给到具有反应区,分离区,汽提区和再生区的第二流化催化裂化器,并且在第二流化催化裂化反应区中的油催化裂化 流化催化裂化器,在裂化催化剂存在下,反应区出口温度为550-750℃,油与催化剂之间的接触时间为0.1至1秒,催化剂/油比为 20〜40wt / wt。
    • 4. 发明授权
    • Mixing apparatus
    • 混合装置
    • US08101132B2
    • 2012-01-24
    • US12373103
    • 2007-07-10
    • Yuichiro FujiyamaToshiaki OkuharaShigeko Okuhara, legal representative
    • Yuichiro FujiyamaToshiaki Okuhara
    • B01J8/08B01F15/00
    • B01F5/045B01F3/12B01F5/0256B01F5/205B01J8/003B01J8/004
    • To provide a mixing device capable of effectively mixing stock oil with a catalyst, while increasing the amount of throughput, the relations of 8.0≧Q×(W/D)/(u1+u2), Q=300 to 2000 [kg/m2s], W/D=0.2 to 0.5, u1=5 to 300 [m/s], and u2=5 to 300 [m/s] are satisfied when a mass flow per unit area of a moving bed is Q [kg/nes], the difference between an outer diameter and an inner diameter of the moving bed is W [m], an inner diameter of a reaction tube is D [m], a linear velocity of a horizontal component of the stock oil at a jet orifice of the internal stock oil injection nozzle u1 [m/s], and a linear velocity of a horizontal component of the stock oil at a jet orifice of the external stock oil injection nozzle u2 [m/s].
    • 为了提供能够有效地混合原油与催化剂的混合装置,在增加生产量的同时,8.0≥Q×(W / D)/(u1 + u2),Q = 300〜2000 [kg / m 2 ],当移动床的每单位面积质量流量为Q [kg / s]时,W / D = 0.2〜0.5,u1 = 5〜300 [m / s],u2 = 5〜300 [m / nes],移动床的外径和内径之差为W [m],反应管的内径为D [m],喷射时原油的水平分量的线速度 内部原油喷射喷嘴u1 [m / s]的孔口和外部原油喷射喷嘴u2 [m / s]的喷射口处的原料油的水平分量的线速度。
    • 5. 发明授权
    • Gas-solid separator
    • 气固分离器
    • US08083824B2
    • 2011-12-27
    • US12373136
    • 2007-07-05
    • Yuichiro FujiyamaToshiaki OkuharaShigeko Okuhara, legal representative
    • Yuichiro FujiyamaToshiaki Okuhara
    • B01D45/00
    • B01D45/12B04C5/06B04C5/081B04C5/12B04C5/13C10G11/18Y10S55/30
    • A gas-solid separator has: an inner cylinder 10 having a closed lower end 11 and an opened upper end 1, and extending in a vertical direction; and an outer cylinder 2 that coaxially covers the inner cylinder 10 from the outside and has a gas vent port 6 formed on the upper end side and communicating with an exterior, wherein a plurality of axially extending long holes 4 are formed on a side surface on the lower end 11 side of the inner cylinder 10 in a circumferential direction, one of long side edge parts of each of the long holes 4 is provided with a guide blade 5 that protrudes outward and is inclined circumferentially so as to cover the long hole 4, and in a section of the outer cylinder 2 that surrounds the plurality of long holes 4 of the inner cylinder 10, an inner diameter D1 of a lower part is larger than an inner diameter D2 of an upper part.
    • 气固分离器具有:内筒10,其具有封闭的下端11和敞开的上端1,并沿垂直方向延伸; 以及从外部同轴地覆盖内筒10并具有形成在上端侧并与外部连通的排气口6的外筒2,其中在侧面上形成有多个轴向延伸的长孔4 内圆筒10的下端部11的圆周方向上,长孔部4的长边缘部分之一设置有向外突出并沿周向倾斜的导向叶片5,以覆盖长孔4 ,并且在外筒2的包围内筒10的多个长孔4的部分中,下部的内径D1大于上部的内径D2。
    • 6. 发明授权
    • Method of designing gas-solid separator
    • 气固分离器设计方法
    • US08070846B2
    • 2011-12-06
    • US12373084
    • 2007-07-05
    • Yuichiro FujiyamaToshiaki OkuharaShigeko Okuhara, legal representativeAkira Uchiura
    • Yuichiro FujiyamaToshiaki OkuharaAkira Uchiura
    • B01D47/00
    • B01D45/12B01D45/06B04C5/06B04C5/081B04C5/103B04C5/12B04C5/13Y10S55/03
    • A method for operating a gas-solid separator that has: an inner cylinder 10 having a closed lower end 11 and an opened upper end 1, and extending in a vertical direction; an outer cylinder 2 that coaxially covers the inner cylinder 10 from the outside and has a gas vent port 6 formed on the upper end side of the inner cylinder and communicating with an exterior; and a plurality of axially extending long holes 4 having a length L[m] and formed on a side surface on the lower end 11 side of the inner cylinder 10 in a circumferential direction, one of long side edge parts of each of the long holes being provided with a guide blade 5 that protrudes outward and is inclined circumferentially so as to cover the long hole 4, wherein the length L of each long hole 4 is defined such as to satisfy an expression of non-dimensional Stokes number St=(ρpdp2/(18μ))·U/L≧0.3, where U[m/s] represents a cross-sectional average linear velocity of a mixture of gas and solid particles that is supplied downward from the opening 1 of the inner cylinder 4, ρp[kg/m3] a particle density of the solid particles, dp[m] an average particle diameter of the solid particles, and μ[Pa·s] a viscosity of the gas.
    • 一种操作气固分离器的方法,该气固分离器具有:内筒10,其具有封闭的下端11和敞开的上端1,并沿垂直方向延伸; 外筒2,其从外部同轴地覆盖内筒10,并且具有形成在内筒的上端侧并与外部连通的排气口6; 以及沿圆周方向形成在内筒10的下端11侧的侧面上的具有长度L [m]的多个轴向延伸的长孔4,每个长孔的长边缘部分之一 设置有向外突出并沿圆周方向倾斜以覆盖长孔4的导向叶片5,其中每个长孔4的长度L被定义为满足无量纲斯托克斯数St =(&rgr ; pdp2 /(18μ))·U /L≥0.3,其中U [m / s]表示从内筒4的开口1向下供给的气体和固体颗粒的混合物的截面平均线速度 ,固体颗粒的颗粒密度,固体颗粒的平均粒径dp [m],气体的粘度μ[Pa·s],p [kg / m3]。
    • 9. 发明授权
    • Process for fluid catalytic cracking of oils
    • 油的流化催化裂化方法
    • US5904837A
    • 1999-05-18
    • US944195
    • 1997-10-03
    • Yuichiro Fujiyama
    • Yuichiro Fujiyama
    • C10G11/18C10G11/00
    • C10G11/18
    • A process for the fluid catalytic cracking of oils, wherein an oil is brought into contact with catalyst particles using a fluid catalytic cracking reactor under the following conditions: a) a reaction zone outlet temperature of 580 to 630.degree. C., catalyst/oil ratio of 15 to 50 wt./wt., contact time of 0.1 to 3.0 sec.; b) a catalyst-concentrated phase temperature in the regenerating zone of 670 to 800.degree. C.; and c) a temperature of regenerated catalyst to be forwarded into the reaction zone of 610 to 665.degree. C.; thereby producing light fraction olefins. The process increases the cracking rate of heavy fractions of oils while producing a lessened amount of dry gases generated by the overcracking of light fractions to obtain light fraction olefins in a high yield.
    • 一种用于流体催化裂化油的方法,其中在下列条件下使用流化催化裂化反应器使油与催化剂颗粒接触:a)反应区出口温度为580至630℃,催化剂/油比 为15〜50重量/重量,接触时间为0.1〜3.0秒。 b)再生区的催化剂浓缩相温度为670〜800℃。 和c)再生催化剂的温度进入610至665℃的反应区; 从而生产轻馏分烯烃。 该方法提高了重馏分油的裂解率,同时产生了轻馏分过度裂解产生的干气减少量,从而以高产率获得轻馏分烯烃。