Method, system and apparatus for firing control
    1.
    发明专利
    Method, system and apparatus for firing control 有权
    用于控制的方法,系统和装置

    公开(公告)号:JP2012215383A

    公开(公告)日:2012-11-08

    申请号:JP2012180791

    申请日:2012-08-17

    Abstract: PROBLEM TO BE SOLVED: To disclose a method of controlling the air to fuel ratio in a burner containing a venturi assembly.SOLUTION: The venturi includes: an air inlet; a primary fuel inlet with a converging section; a throat portion positioned downstream from the converging section; a diverging section positioned downstream from the throat portion; an outlet; a secondary gas inlet disposed downstream from the converging section and upstream from the outlet; and a tubular portion positioned downstream from the diverging section, wherein the secondary gas inlet is formed in the tubular portion. The method of controlling the air to fuel ratio includes the steps of: introducing fuel into the fuel inlet; receiving air through the air inlet by inspiration; and feeding a gas through the secondary gas inlet, wherein the flow rate and content of the gas fed through the secondary gas inlet are selected to result in a desired air to fuel ratio through the outlet. A method of firing a heater, a burner, a furnace and firing control systems also are disclosed.

    Abstract translation: 要解决的问题:公开在包含文氏管组件的燃烧器中控制空燃比的方法。

    解决方案:文丘里管包括:进气口; 具有会聚部分的主燃料入口; 位于会聚部的下游的喉部; 位于喉部下游的分流部分; 一个出口 第二气体入口设置在会聚部分的下游并且在出口的上游; 以及位于所述发散部分下游的管状部分,其中所述二次气体入口形成在所述管状部分中。 控制空燃比的方法包括以下步骤:将燃料引入燃料入口; 通过吸气口接收空气; 并且通过二次气体入口供给气体,其中选择通过二次气体入口供给的气体的流量和含量,以通过出口获得期望的空气燃料比。 还公开了一种点火加热器,燃烧器,炉子和点火控制系统的方法。 版权所有(C)2013,JPO&INPIT

    OLEFIN ISOMERIZATION AND METATHESIS CATALYST

    公开(公告)号:MY180736A

    公开(公告)日:2020-12-08

    申请号:MYPI2014001226

    申请日:2009-09-04

    Abstract: A process for the production of propylene, the process including: contacting ethylene and a hydrocarbon stream comprising 1-butene and 2-butene with a bifunctional isomerization-metathesis catalyst to concurrently isomerizes 1-butene to 2-butene and to form a metathesis product comprising propylene; wherein the bifunctional isomerization- metathesis catalyst comprises: a catalyst compound may include at least one element selected from tungsten, tantalum, niobium, molybdenum, nickel, palladium, osmium, iridium, rhodium, vanadium, ruthenium, and rhenium for providing metathesis activity on a support comprising at least one element from Group IA, IIA, IIB, and IIIA of the Periodic Table of the Elements; wherein an exposed surface area of the support provides both isomerization activity for the isomerization of 1-butene to 2-butene; and reactive sites for the adsorption of catalyst compound poisons. In other embodiments, the catalyst compound may include at least one element selected from aluminum, gallium, iridium, iron, molybdenum, nickel, niobium, osmium, palladium, phosphorus, rhenium, rhodium, ruthenium, tantalum, titanium, tungsten, and vanadium. (Figure 1)

    OLEFIN ISOMERIZATION AND METATHESIS CATALYST

    公开(公告)号:MY152067A

    公开(公告)日:2014-08-15

    申请号:MYPI20110867

    申请日:2009-09-04

    Abstract: A PROCESS FOR THE PRODUCTION OF PROPYLENE, THE PROCESS INCLUDING: CONTACTING ETHYLENE AND A HYDROCARBON STREAM COMPRISING 1-BUTENE AND 2-BUTENE WITH A BIFUNCTIONAL ISOMERIZATION-METATHESIS CATALYST TO CONCURRENTLY ISOMERIZES 1-BUTENE TO 2-BUTENE AND TO FORM A METATHESIS PRODUCT COMPRISING PROPYLENE; WHEREIN THE BIFUNCTIONAL ISOMERIZATION METATHESIS CATALYST COMPRISES: A CATALYST COMPOUND MAY INCLUDE AT LEAST ONE ELEMENT SELECTED FROM TUNGSTEN, TANTALUM, NIOBIUM, MOLYBDENUM, NICKEL, PALLADIUM, OSMIUM, IRIDIUM, RHODIUM, VANADIUM, RUTHENIUM, AND RHENIUM FOR PROVIDING METATHESIS ACTIVITY ON A SUPPORT COMPRISING AT LEAST ONE ELEMENT FROM GROUP IA, IIA, IIB, AND IIIA OF THE PERIODIC TABLE OF THE ELEMENTS; WHEREIN AN EXPOSED SURFACE AREA OF THE SUPPORT PROVIDES BOTH ISOMERIZATION ACTIVITY FOR THE ISOMERIZATION OF 1-BUTENE TO 2-BUTENE; AND REACTIVE SITES FOR THE ADSORPTION OF CATALYST COMPOUND POISONS. IN OTHER EMBODIMENTS, THE CATALYST COMPOUND MAY INCLUDE AT LEAST ONE ELEMENT SELECTED FROM ALUMINUM, GALLIUM, IRIDIUM, IRON, MOLYBDENUM, NICKEL, NIOBIUM, OSMIUM, PALLADIUM, PHOSPHORUS, RHENIUM, RHODIUM, RUTHENIUM, TANTALUM, TITANIUM, TUNGSTEN, AND VANADIUM. (FIGURE 1)

    OLEFIN ISOMERIZATION AND METATHESIS CATALYST

    公开(公告)号:CA2733601C

    公开(公告)日:2014-08-05

    申请号:CA2733601

    申请日:2009-09-04

    Abstract: A process for the production of propylene, the process including: contacting ethylene and a hydrocarbon stream comprising 1-butene and 2-butene with a bifunctional isomerization-metathesis catalyst to concurrently isomerizes 1-butene to 2-butene and to form a metathesis product comprising propylene; wherein the bifunctional isomerization- metathesis catalyst comprises: a catalyst compound may include at least one element selected from tungsten, tantalum, niobium, molybdenum, nickel, palladium, osmium, iridium, rhodium, vanadium, ruthenium, and rhenium for providing metathesis activity on a support comprising at least one element from Group IA, HA, HB, and IIIA of the Periodic Table of the Elements; wherein an exposed surface area of the support provides both isomerization activity for the isomerization of 1-butene to 2-butene; and reactive sites for the adsorption of catalyst compound poisons. In other embodiments, the catalyst compound may include at least one element selected from aluminum, gallium, iridium, iron, molybdenum, nickel, niobium, osmium, palladium, phosphorus, rhenium, rhodium, ruthenium, tantalum, titanium, tungsten, and vanadium.

    OLEFIN ISOMERIZATION AND METATHESIS CATALYST

    公开(公告)号:ZA201102479B

    公开(公告)日:2011-12-28

    申请号:ZA201102479

    申请日:2011-04-04

    Abstract: A process for the production of propylene, the process including: contacting ethylene and a hydrocarbon stream comprising 1-butene and 2-butene with a bifunctional isomerization-metathesis catalyst to concurrently isomerizes 1-butene to 2-butene and to form a metathesis product comprising propylene; wherein the bifunctional isomerization-metathesis catalyst comprises: a catalyst compound may include at least one element selected from tungsten, tantalum, niobium, molybdenum, nickel, palladium, osmium, iridium, rhodium, vanadium, ruthenium, and rhenium for providing metathesis activity on a support comprising at least one element from Group IA, IIA, IIB, and IIIA of the Periodic Table of the Elements; wherein an exposed surface area of the support provides both isomerization activity for the isomerization of 1-butene to 2-butene; and reactive sites for the adsorption of catalyst compound poisons. In other embodiments, the catalyst compound may include at least one element selected from aluminum, gallium, iridium, iron, molybdenum, nickel, niobium, osmium, palladium, phosphorus, rhenium, rhodium, ruthenium, tantalum, titanium, tungsten, and vanadium.

    OLEFIN ISOMERIZATION AND METATHESIS CATALYST

    公开(公告)号:CA2733601A1

    公开(公告)日:2010-03-11

    申请号:CA2733601

    申请日:2009-09-04

    Abstract: A process for the production of propylene, the process including: contacting ethylene and a hydrocarbon stream comprising 1-butene and 2-butene with a bifunctional isomerization-metathesis catalyst to concurrently isomerizes 1-butene to 2-butene and to form a metathesis product comprising propylene; wherein the bifunctional isomerization- metathesis catalyst comprises: a catalyst compound may include at least one element selected from tungsten, tantalum, niobium, molybdenum, nickel, palladium, osmium, iridium, rhodium, vanadium, ruthenium, and rhenium for providing metathesis activity on a support comprising at least one element from Group IA, HA, HB, and IIIA of the Periodic Table of the Elements; wherein an exposed surface area of the support provides both isomerization activity for the isomerization of 1 -butene to 2-butene; and reactive sites for the adsorption of catalyst compound poisons. In other embodiments, the catalyst compound may include at least one element selected from aluminum, gallium, iridium, iron, molybdenum, nickel, niobium, osmium, palladium, phosphorus, rhenium, rhodium, ruthenium, tantalum, titanium, tungsten, and vanadium.

    SYSTEM AND PROCESS FOR PRODUCING STRAIGHT CHAIN α-OLEFIN
    10.
    发明专利
    SYSTEM AND PROCESS FOR PRODUCING STRAIGHT CHAIN α-OLEFIN 有权
    用于生产直链α-烯烃的系统和方法

    公开(公告)号:JP2014058517A

    公开(公告)日:2014-04-03

    申请号:JP2013192522

    申请日:2013-09-18

    Abstract: PROBLEM TO BE SOLVED: To provide a system and process for producing straight chain α-olefin that can cut down the energy consumption amount.SOLUTION: A system and a process for producing straight chain α-olefin are as follows. A hydrocarbon mixture comprising a first hydrocarbon, a second hydrocarbon and a higher-boiling point hydrocarbon is divided into a first feed stream and a second feed stream, and the first feed stream is fed into a first intermediate stage of a first distillation column and the second feed stream is fed into a second intermediate stage of a second distillation column; a first distillate comprising most of the first hydrocarbon is extracted from an overhead of the first distillation column and is partially condensed to be fed into a third intermediate stage of the second distillation column; the higher-boiling point hydrocarbon is extracted from a bottom of the first distillation column; and the first hydrocarbon is extracted from an overhead of the second distillation column and the second hydrocarbon is extracted from a bottom of the second distillation column, and a part thereof is heated by using the first distillate and returned back to the second distillation column.

    Abstract translation: 要解决的问题:提供可以降低能量消耗量的直链α-烯烃的制造方法和制造方法。解决方案:直链α-烯烃的制备方法如下。 将包含第一烃,第二烃和高沸点烃的烃混合物分成第一进料流和第二进料流,并将第一进料流进料到第一蒸馏塔的第一中间阶段, 第二进料流进料到第二蒸馏塔的第二中间阶段; 从第一蒸馏塔的顶部提取包含大部分第一烃的第一馏出物,并部分冷凝以供入第二蒸馏塔的第三中间阶段; 从第一蒸馏塔的底部提取高沸点烃; 并且从第二蒸馏塔的塔顶馏出第一烃,并且从第二蒸馏塔的底部萃取第二烃,并且通过使用第一馏出物将其一部分加热并返回到第二蒸馏塔。

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