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公开(公告)号:US20150231586A1
公开(公告)日:2015-08-20
申请号:US14425902
申请日:2013-09-16
Applicant: Dow Global Technologies LLC , Carmagen Engineering
Inventor: Matthew Pretz , Don F. Shaw , Richard E. Walter , Mark Stewart
CPC classification number: B01J8/44 , B01J8/0015 , B01J8/0025 , B01J8/1809 , B01J8/1827 , B01J8/1872 , B01J8/24 , B01J2208/00495 , B01J2208/00548 , B01J2208/00752 , B01J2208/00769 , B01J2208/00884 , B01J2208/00893 , B01J2208/00938
Abstract: Embodiments include a reactor and feed distribution assembly. The reactor and feed distribution assembly can include a reactor vessel, a gaseous feed conduit, a catalyst feed conduit, a catalyst feed conduit housing, and a catalyst backflow diverter.
Abstract translation: 实施例包括反应器和进料分配组件。 反应器和进料分配组件可以包括反应器容器,气体进料管,催化剂进料管,催化剂进料管壳和催化剂回流分流器。
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公开(公告)号:US20240316522A1
公开(公告)日:2024-09-26
申请号:US18573165
申请日:2022-06-24
Applicant: Dow Global Technologies LLC
Inventor: Matthew T. Pretz , Donald F. Shaw , Richard E. Walter , Albert Meza , Fermin Sandoval , Liwei Li
IPC: B01J8/44
CPC classification number: B01J8/44 , B01J2208/00884 , B01J2208/0092 , B01J2208/00938
Abstract: According to one or more embodiments, a plate grid distributor for distributing a fluid in a vessel may include a plate and an internal support system. The internal support system may include a plurality of pillar supports extending vertically from at or near a bottom surface of the plate towards a floor of the vessel. One or more of the pillar supports may include a flexible upper member connecting a rigid top support bracket to a rigid intermediate beam and a flexible lower member connecting the rigid intermediate beam to the rigid base support. According to one or more other embodiments, a method of distributing a fluid through a plate grid distributor in a vessel may include passing the fluid into the vessel below the plate grid distributor and directing the fluid through the plate gird distributor.
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公开(公告)号:US10464036B2
公开(公告)日:2019-11-05
申请号:US15761557
申请日:2016-09-28
Applicant: Dow Global Technologies LLC
Inventor: Matthew T. Pretz , Don F. Shaw , Richard E. Walter , Madhusudhan Kodam
Abstract: A catalyst regenerator for combusting carbonaceous deposits from a catalyst comprising a first chamber which comprises a catalyst inlet for feeding spent catalyst with carbonaceous deposits to said first chamber, a supplemental fuel gas distributor, and a distributor for an oxygen containing gas for distributing oxygen containing gas into said first chamber to contact said spent catalyst and combust carbonaceous deposits and supplemental fuel which further deactivates the spent catalyst and generates flue gas; a riser section extending from said first chamber for transporting the spent catalyst and the flue gas, the riser section comprising an outer wall, at least one slot in the outer wall, and a riser termination device which comprises a substantially internally flat cover plate, at least one arm extending from the cover plate, wherein the arm extends about the slot from the outer wall, the arm comprising an outer shell that encloses the arm and wherein no internal portion of the cover plate extends above an upper surface of the outer shell of the at least one arm is provided. Further provided is a riser termination device.
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公开(公告)号:US10016736B2
公开(公告)日:2018-07-10
申请号:US15032401
申请日:2014-09-22
Applicant: Dow Global Technologies LLC
Inventor: Matthew Pretz , Don F. Shaw , Richard E. Walter
CPC classification number: B01J7/00 , B01J8/0055 , B01J8/008 , B01J8/18 , B01J2208/00557 , B04C5/24 , B04C11/00
Abstract: A cyclonic reactor vessel comprising: a primary cyclonic separation device disposed within the shell and having an outlet; a plurality of secondary cyclones, said secondary cyclones being disposed within the shell, and each of said secondary cyclones having a body, an inlet and an outlet; wherein the outlet of the primary cyclonic separation device is connected to the inlet of at least one secondary cyclone; a first plenum having a skirt and a floor forming a sealed annular chamber within the shell; a second plenum having a smaller volume than a volume of the first plenum; and a secondary cyclone support system minimizing or eliminating mechanical thermal stresses; and wherein the outlets of the plurality of secondary cyclones are fluidly connected to the second plenum is provided.
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公开(公告)号:US20180264424A1
公开(公告)日:2018-09-20
申请号:US15761557
申请日:2016-09-28
Applicant: Dow Global Technologies LLC
Inventor: Matthew T. Pretz , Don F. Shaw , Richard E. Walter , Madhusudhan Kodam
Abstract: A catalyst regenerator for combusting carbonaceous deposits from a catalyst comprising a first chamber which comprises a catalyst inlet for feeding spent catalyst with carbonaceous deposits to said first chamber, a supplemental fuel gas distributor, and a distributor for an oxygen containing gas for distributing oxygen containing gas into said first chamber to contact said spent catalyst and combust carbonaceous deposits and supplemental fuel which further deactivates the spent catalyst and generates flue gas; a riser section extending from said first chamber for transporting the spent catalyst and the flue gas, the riser section comprising an outer wall, at least one slot in the outer wall, and a riser termination device which comprises a substantially internally flat cover plate, at least one arm extending from the cover plate, wherein the arm extends about the slot from the outer wall, the arm comprising an outer shell that encloses the arm and wherein no internal portion of the cover plate extends above an upper surface of the outer shell of the at least one arm is provided. Further provided is a riser termination device.
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公开(公告)号:US09370759B2
公开(公告)日:2016-06-21
申请号:US14425902
申请日:2013-09-16
Applicant: Dow Global Technologies LLC
Inventor: Matthew Pretz , Don F. Shaw , Richard E. Walter , Mark Stewart
CPC classification number: B01J8/44 , B01J8/0015 , B01J8/0025 , B01J8/1809 , B01J8/1827 , B01J8/1872 , B01J8/24 , B01J2208/00495 , B01J2208/00548 , B01J2208/00752 , B01J2208/00769 , B01J2208/00884 , B01J2208/00893 , B01J2208/00938
Abstract: Embodiments include a reactor and feed distribution assembly. The reactor and feed distribution assembly can include a reactor vessel, a gaseous feed conduit, a catalyst feed conduit, a catalyst feed conduit housing, and a catalyst backflow diverter.
Abstract translation: 实施例包括反应器和进料分配组件。 反应器和进料分配组件可以包括反应器容器,气体进料管,催化剂进料管,催化剂进料管壳和催化剂回流分流器。
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公开(公告)号:US20250128222A1
公开(公告)日:2025-04-24
申请号:US18572568
申请日:2022-06-24
Applicant: Dow Global Technologies LLC
Inventor: Matthew T. Pretz , Donald F. Shaw , Richard E. Walter , Albert Meza , Fermin Sandoval , Liwei Li
IPC: B01J3/02
Abstract: According to one or more embodiments, a plate grid distributor for distributing a fluid in a vessel or a plenum for removing a fluid from a vessel may include a plate and a skirt. The skirt may be in direct contact with the plate and may include a first portion and a second portion. The first portion may be in direct contact with the plate and the second portion may be in direct contact with the first portion. The first portion may have a first allowable stress and the second portion may have a second allowable stress. According to one or more other embodiments, a method of distributing a fluid through a plate grid distributor in a vessel may include passing the fluid into the vessel and directing the fluid through the plate grid distributor.
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8.
公开(公告)号:US20240307841A1
公开(公告)日:2024-09-19
申请号:US18573195
申请日:2022-06-24
Applicant: Dow Global Technologies LLC
Inventor: Matthew T. Pretz , Donald F. Shaw , Richard E. Walter , Albert Meza , Fermin Sandoval , Liwei Li
CPC classification number: B01J8/44 , B01J8/1881 , B01J2208/00884 , B01J2208/00902 , B01J2208/00938
Abstract: According to one or more embodiments, a chemical processing vessel may include side walls, a floor, a catalyst outlet through the floor, and a plate grid distributor for distributing a fluid. The plate may include a plurality of apertures extending through the thickness of the plate and a central opening. The plate may include a catalyst transport passage extending from the central opening to the catalyst outlet. The catalyst transport passage may have a greater cross section area at the central opening of the plate than at the catalyst outlet. According to one or more embodiments, a method of operating a chemical processing vessel passing a fluid into the chemical processing vessel, directing the fluid through a plate grid distributor, and passing catalyst from above the plate, through the catalyst transport passage, and out of the chemical processing vessel through the catalyst outlet.
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公开(公告)号:US20170087528A1
公开(公告)日:2017-03-30
申请号:US14868507
申请日:2015-09-29
Applicant: Dow Global Technologies LLC
Inventor: Matthew T. Pretz , Richard E. Walter , Don F. Shaw , Fermin A. Sandoval , Liwei Li
CPC classification number: B01J7/00 , B01J8/1818 , B01J8/1827 , B01J8/34 , B01J8/44 , B01J38/02 , B01J2208/00504 , F23C10/12 , F23C10/20 , F23C10/22
Abstract: A fluidized fuel gas combustor system for a catalytic dehydrogenation process comprising a vessel having a lower portion and an upper portion; a plurality of air injection diffusers located in the lower portion of the vessel; a plurality of fuel gas injection diffusers located on fuel gas distributors disposed in the vessel and spaced apart from and above a plurality of air injection diffusers, wherein the fuel gas diffusers are placed in a manner to maximize even mass distribution of a fuel gas injected through the fuel gas diffusers in the vessel, wherein each fuel distributor comprises a tube having a plurality of fuel gas injection diffusers, one or more optional grid assemblies disposed in the vessel spaced apart from and above the plurality of air injection diffusers and paced apart from and below the fuel gas distributors to maximize even air mass distribution; and one or more grid assemblies disposed in the vessel spaced above the fuel gas distributors is provided.
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公开(公告)号:US09597652B1
公开(公告)日:2017-03-21
申请号:US14870368
申请日:2015-09-30
Applicant: Dow Global Technologies LLC
Inventor: Matthew T. Pretz , Don F. Shaw , Richard E. Walter , Madhusudhan Kodam
CPC classification number: B01J8/24 , B01J38/30 , B01J2208/00991 , C10G11/182
Abstract: A catalyst regenerator for combusting carbonaceous deposits from a catalyst comprising a first chamber which comprises a catalyst inlet for feeding spent catalyst with carbonaceous deposits to the first chamber, a supplemental fuel gas distributor, and a distributor for distributing oxygen containing gas into the first chamber; a riser section extending from the first chamber for transporting the spent catalyst and the flue gas, the riser section comprising an outer wall, at least one slot in the outer wall, and a riser termination device which comprises a substantially internally flat cover plate, at least one arm extending from the cover plate, wherein the arm extends about the slot from the outer wall, the arm comprising an outer shell that encloses the arm and wherein no internal portion of the cover plate extends above an upper surface of the outer shell of the at least one arm is provided.
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