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    • 3. 发明授权
    • Continuous-cast low-carbon resulfurized free-cutting steel
    • 连铸低碳脱硫钢
    • US4719079A
    • 1988-01-12
    • US888977
    • 1986-07-23
    • Sakae KatayamaTatsuya ImaiNorio OnoderaYasushi Ishibashi
    • Sakae KatayamaTatsuya ImaiNorio OnoderaYasushi Ishibashi
    • C22C38/00C22C38/60
    • C22C38/60
    • A continuous-cast low-carbon resulfurized free-cutting steel which consists in weight percentage ofC: 0.05-0.15,Mn: 0.5-1.5,P: 0.05-0.10,S: 0.15-0.40,O: 0.010-0.020,one or more of Pb, Bi, and Te as accompanying elements for improving machinability at a following content:Pb: 0.05-0.40,Bi: 0.05-0.40, andTe: 0.003-0.10,Si: 0.003 or less,Al; 0.0009 or less, andthe remainder consisting of Fe and unavoidable impurities, and contains a manganese sulfide-base inclusion with the provision that:a mean sectional area of the manganese sulfide-base inclusion present in a sectional area of 1 mm.sup.2 in the rolling direction of the steel is not less than 30 .mu.m.sup.2 ; anda rate of the number of a manganese sulfide-base inclusions not in the form of a complex with oxide is not less than 80% of the total amount of manganese sulfide-base inclusion.
    • 一种连续铸造的低碳脱硫自由切削钢,其重量百分比为C:0.05-0.15,Mn:0.5-1.5,P:0.05-0.10,S:0.15-0.40,O:0.010-0.020,一个或 更多的Pb,Bi和Te作为用于提高以下含量的机械加工性的伴随元素:Pb:0.05-0.40,Bi:0.05-0.40,Te:0.003-0.10,Si:0.003以下,Al; 0.0009以下,余量由Fe和不可避免的杂质构成,含有硫化锰系夹杂物,其特征在于,所述硫化锰系夹杂物的平​​均截面积为轧制方向的截面积为1mm2 的钢材不低于30亩; 并且与氧化物不是络合物形式的硫化锰基夹杂物的数量的比率不小于硫化锰 - 基质包合物总量的80%。
    • 4. 发明授权
    • Process for simultaneously cracking heavy hydrocarbons into light oils
and producing hydrogen
    • 将重质烃同时裂解成轻油并生产氢的方法
    • US4399023A
    • 1983-08-16
    • US348540
    • 1982-02-12
    • Teruo SuzukaYukio InoueShirou AizawaYasushi IshibashiHidetaka Ohse
    • Teruo SuzukaYukio InoueShirou AizawaYasushi IshibashiHidetaka Ohse
    • C01B3/32B01J23/00B01J23/745B01J23/94C01B3/10C10G11/00C10G11/02C10G11/04C10G11/14C10G11/18C10J3/54
    • C10G11/14B01J23/94C10G11/18Y02E60/36
    • A process for simultaneously cracking heavy hydrocarbons to form light oil and producing hydrogen is described, which comprises (1) a first step wherein steam and heavy hydrocarbons are simultaneously contacted with a catalyst in a reduced state, containing iron in the form of iron oxide, to produce hydrogen, cracked gases and cracked light oils, to convert the reduced-state catalyst into an oxidized-state catalyst, and to deposit coke on the catalyst, (2) a second step wherein the oxidized-state catalyst with coke deposited thereon is contacted with an oxygen-containing gas to partially combust the coke on the catalyst, to convert the oxidized-state catalyst into a reduced-state catalyst, and to fix a sulfur compound contained in the coke as iron sulfide with a part of the reduced-state catalyst; and (3) a third step wherein catalyst obtained from the first step, the major portion of the catalyst being recycled between the first step and second step, is contacted with an oxygen-containing gas at a temperature of from 600.degree. to 1,000.degree. C. to effect roasting and gasification of iron sulfide in the catalyst.
    • 描述了同时裂化重质烃以形成轻油并产生氢气的方法,其包括(1)第一步骤,其中蒸汽和重质烃同时与还原状态的催化剂接触,所述催化剂含有氧化铁形式的铁, 产生氢气,裂化气体和裂解轻油,将还原态催化剂转化为氧化态催化剂,并将焦炭沉积在催化剂上,(2)第二步,其中沉积有焦炭的氧化态催化剂为 与含氧气体接触以部分地燃烧催化剂上的焦炭,将氧化态催化剂转化为还原态催化剂,并将包含在焦炭中的硫化合物与硫化铁固定在一起, 状态催化剂; 和(3)第三步骤,其中从第一步骤获得的催化剂在第一步骤和第二步骤之间循环的主要部分与含氧气体在600-1000℃的温度下接触 在催化剂中进行硫化铁的焙烧和气化。