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    Fluid catalytic cracking process employing a catalyst heating zone
    1.
    发明授权
    Fluid catalytic cracking process employing a catalyst heating zone 失效
    使用催化加热区的流体催化裂化工艺

    公开(公告)号：US3838036A

    公开(公告)日：1974-09-24

    申请号：US31050172

    申请日：1972-11-29

    Applicant: UNIVERSAL OIL PROD CO

    Inventor： STINE L ,  HEMLER C

    IPC: B01J8/26 ,  B01J29/90 ,  C10G11/18 ,  B01J9/20 ,  B01J11/68

    CPC classification number: B01J29/90 ,  B01J8/26 ,  C10G11/18

    Abstract: A FLUIDIZED CATALYTIC CRACKING PROCESS IN WHICH A CATALYST, WHICH HAS CONTACTED A FEEDSTOCK IN A REACTION ZONE AND HAS THEREBY BECOME COKE-CONTAMINATED, IS WITHDRAWN FROM THE REACTION ZONE, PASSED TO A CATALYST HEATING ZONE, AND THEN PASSED TO A REGENERATION ZONE WHEREIN COKE IS OXIDIZED AND FROM WHICH CATALYST IS RECYCLED BACK TO THE REACTION ZONE. IN THE PROCESS OF OUR INVENTION A CATALYST AND OPERATING CONDITIONS ARE PURPOSEFULLY EMPLOYED SUCH THAT THE AMOUNT OF COKE PRODUCED AND SUBSEQUENTLY OXIDIZED IS LESS THAN THAT NEEDED TO SATISFY THE PROCESS HEAT REQUIREMENTS FOR THE DESIRED CHOICE OF OPERATING CONDITIONS. PROCESS HEAT REQUIREMENTS FOR THE DESIRED CHOICE OF OPERATING CONDITIONS. PROCESS HEAT REQUIREMENTS ARE MET BY PASSING THE ZONE WHICH IS FIRED BY FUEL LESS VALUABLE THAN FEEDSTOCK

    HYDROCARBONS WHICH WOULD OTHERWISE BE CONVERTED TO COKE. BECAUSE OF THE REDUCED COKE YIELD OF THIS PROCESS, WHICH IS PURPOSEFULLY LOWER THAN THAT REQUIRED TO FULFILL THE SELECTED PROCESS HEAT BALANCE REQUIREMENTS, HIGHER YIELDS OF MORE VALUABLE PRODUCTS ARE REALIZED.

    Regeneration apparatus with internal regenerated-catalyst recycle means
    3.
    发明授权
    Regeneration apparatus with internal regenerated-catalyst recycle means 失效
    具有内再生催化剂循环装置的再生装置

    公开(公告)号：US3898050A

    公开(公告)日：1975-08-05

    申请号：US42945773

    申请日：1973-12-28

    Applicant: UNIVERSAL OIL PROD CO

    Inventor： STROTHER CHARLES W

    IPC: C10G11/00 ,  B01J8/18 ,  B01J8/24 ,  B01J8/26 ,  B01J21/20 ,  B01J38/36 ,  C10G11/18 ,  B01J9/16 ,  B01J9/20 ,  B01J11/68

    CPC classification number: C10G11/182 ,  B01J8/24 ,  B01J8/26 ,  Y02P30/446

    Abstract: An apparatus for the controlled oxidation of coke from a spent catalyst and the essentially complete conversion of carbon monoxide resulting from the oxidation of coke to produce regenerated catalyst and spent regeneration gas. The apparatus comprises in combination a spentcatalyst receiving chamber for containing a dense bed of fluidized catalyst in which chamber spent-catalyst is oxidized to produce regenerated catalyst and partially spent regeneration gas; a transfer conduit through which said gas and said catalyst pass and in which carbon monoxide is essentially completely converted to carbon dioxide to produce spent regeneration gas and regenerated catalyst at an increased temperature; a regenerated-catalyst receiving chamber for containing a dense bed of regenerated catalyst and in which spent regeneration gas and regenerated catalyst are separated; and, an internal regenerated-catalyst recycle means in communication with both beds by which hot regenerated catalyst can be recycled within the apparatus from the dense bed of regenerated catalyst in the regenerated-catalyst receiving chamber to the dense bed of catalyst in the spent-catalyst receiving chamber in amounts to control the temperature and hence the rate of coke oxidation in the spent-catalyst receiving chamber. In the apparatus of my invention, residual coke on regenerated catalyst can therefore be significantly reduced or controlled to low levels as desired. The CO burning rate in the transfer conduit is also increased because of the higher inlet temperature and the CO concentration in the spent regeneration gas leaving the apparatus is therefore reduced. A particularly unique feature of the apparatus is the internal regenerated-catalyst recycle means which requires no expansion joints nor movable flow control means and which can be installed without cutting into either chamber of the apparatus.

    Abstract translation: 用于从废催化剂控制氧化焦炭的设备和由焦炭氧化产生的一氧化碳的基本上完全转化以产生再生催化剂和废再生气体。

    Regenerating catalyst with tangential introduction and circumferential swirl in a fluidized bed
    5.
    发明授权
    Regenerating catalyst with tangential introduction and circumferential swirl in a fluidized bed 失效
    在流化床中具有切向引入和周向旋流的再生催化剂

    公开(公告)号：US3904548A

    公开(公告)日：1975-09-09

    申请号：US39581673

    申请日：1973-09-10

    Applicant: MOBIL OIL CORP

    Inventor： FAGAN FRANK N ,  PENICK JOE E ,  SCHATZ KLAUS W

    IPC: B01F5/06 ,  B01J8/18 ,  B01J8/26 ,  C10G11/18 ,  B01J11/68

    CPC classification number: B01J8/26 ,  B01F5/0601 ,  B01F15/0264 ,  B01J8/1818 ,  C10G11/182

    Abstract: A regenerator design and method of operation is described which relies upon a segmented regeneration gas distributor grid to vary regeneration gas flow rate upwardly through the bed of catalyst thereabove. An expanding annular section formed by a curved vertically extending baffle positioned adjacent and downstream of the catalyst tangential inlet implements the catalyst circumferential swirl type operation within the regenerator.

    Abstract translation: 描述了一种再生器设计和操作方法，其依赖于分段的再生气体分配器栅格，以通过其上方的催化剂床向上改变再生气体流速。 由位于催化剂切向入口附近和下游的弯曲垂直延伸挡板形成的膨胀环形部分实现了再生器内的催化剂周向涡旋式操作。

    Fluidized catalyst regeneration by oxidation in a dense phase bed and a dilute phase transport riser
    6.
    发明授权
    Fluidized catalyst regeneration by oxidation in a dense phase bed and a dilute phase transport riser 失效
    流化床催化剂通过氧化相渗透和相位运输上升而再生

    公开(公告)号：US3844973A

    公开(公告)日：1974-10-29

    申请号：US25804172

    申请日：1972-05-30

    Applicant: UNIVERSAL OIL PROD CO

    Inventor： STINE L ,  CONNER A

    IPC: B01J29/90 ,  B01J8/26 ,  B01J38/20 ,  B01J38/34 ,  C10G11/18 ,  B01J11/70 ,  B01J11/68

    CPC classification number: C10G11/182 ,  B01J8/26 ,  Y02A50/2327

    Abstract: A process in which spent catalyst is regenerated with or without the complete combustion of CO in a regeneration zone comprising a first dense bed, a dilute phase transport riser and a second dense bed. Higher velocities and higher O2 concentrations employed within the regeneration zone result in shorter catalyst and gas residence time, reduced catalyst inventory, lower catalyst makeup rate, improved regeneration, and improved catalyst stability. The substantially complete combustion of CO eliminates CO pollution of the atmosphere without the need for a CO boiler and decreases feed preheat requirements.

    Abstract translation: 一种在包含第一致密床，稀相运输提升管和第二致密床的再生区中有或没有CO完全燃烧而使废催化剂再生的方法。 在再生区域内使用的较高的速度和较高的O 2浓度导致较短的催化剂和气体停留时间，减少的催化剂存量，较低的催化剂补充率，改进的再生和改进的催化剂稳定性。 CO的基本完全燃烧消除了大气中的CO污染，而不需要CO锅炉并降低进料预热要求。

    Process for the utilization of the energy content of the flue gas accrued in catalytic cracking plants
    10.
    发明授权
    Process for the utilization of the energy content of the flue gas accrued in catalytic cracking plants 失效
    利用催化裂化装置中燃烧的气体的能量利用过程

    公开(公告)号：US3702308A

    公开(公告)日：1972-11-07

    申请号：US3702308D

    申请日：1970-08-18

    Applicant: OEMV AG

    Inventor： BAUER ERICH ,  REICHARD FRANZ ,  SCHWARZ FERDINAND

    IPC: B01J37/14 ,  C10G11/18 ,  F02C6/10 ,  B01J11/68

    CPC classification number: F02C6/10 ,  B01J37/14 ,  C10G11/185

    Abstract: AN IMPROVEMENT IN A PROCESS FOR UTILIZATION OF THE ENERGY CONTENT OF THE FLUE GAS ACCRUED N CATALYTIC CRACKING PLANTS AND FOR THE ECONOMIC CONTROL OF SUCH CRACKING PLANTS, TO THEREBY IMPROVE THE ENTIRE EFFECTIVENESS OF SUCH A PLANT AND ITS ADAPTABILITY TO VARIOUS OPERATING CONDITIONS. THE PROCESS COMPRISES THE STEPS OF SUPPLYING THE COMBUSTION AIR REQUIRED FOR THE REGENERATION OF THE CATALYST TO THE REGENERATOR BY A COMPRESSOR, SUPPLYING THE ACCRUED FLUE GAS TO AN EXHAUST GAS TURBINE BY A CYCLONE BEING INDEPENDENT OF SAID REGENERATOR, SAID EXHAUST GAS TURBINE IS ARRANGED PARTICULARLY TO DRIVE A GENERATOR, BURING THE COMBUSTIBLE PART OF CO CONTAINED IN THE FLUE GAS IN A CATALYTIC CO BOILER FOLLOWING THE TURBINE, SUPPLYING THE SURPLUS AIR RESULTING FROM A SLIGHTER REQUIREMENT OF COMBUSTION AIR FOR HEATING TO SAID CO BOILER BY MEANS OF A LINE (BYPASS LINE) LEADING PAST THE CRACKING PROCESS AND BRANCHING OFF BETWEEN SAID COMPRESSOR AND SAID REGENERATOR AND MIXING SAID SURPLUS AIR TO THE FLUE GAS COMING FROM THE REGENERATOR BEFORE SAID CYCLONE.

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