公开(公告)号：US11278860B2

公开(公告)日：2022-03-22

申请号：US17324596

申请日：2021-05-19

Applicant: DRESSER-RAND COMPANY

Inventor： Silvano R. Saretto ,  Paul Morrison Brown ,  Kirk Ryan Lupkes ,  David Andrew Taylor

IPC: B01J3/08 ,  B01J19/10 ,  B01J19/18 ,  C10G9/00 ,  F01D1/02 ,  B01J19/00 ,  B01J6/00

Abstract: Chemical reactor (10) and method for cracking are disclosed. A process fluid is accelerated with axial impulse impellers (40A, 40B) to a velocity greater than Mach 1 and, in turn, generating a shock wave (90) in the process fluid by decelerating it in a static diffuser (70) having diverging diffuser passages (72). Temperature increase of the process fluid downstream of the shockwave cracks or splits molecules, such as hydrocarbons entrained in the process fluid, in a single pass, through a unidirectional flow path (F), within a single stage, without recirculating the process fluid for another pass through the same stage. In some embodiments, a system involving at least two turbomachine chemical reactors (110) may provide multiple successive stages of one or more axial impulse impellers (40A, 40B), paired with a diverging passage, static diffuser (70).

公开(公告)号：US20210268469A1

公开(公告)日：2021-09-02

申请号：US17324596

申请日：2021-05-19

Applicant: DRESSER-RAND COMPANY

Inventor： Silvano R. Saretto ,  Paul Morrison Brown ,  Kirk Ryan Lupkes ,  David Andrew Taylor

IPC: B01J19/00 ,  B01J3/08 ,  B01J6/00 ,  B01J19/18 ,  C10G9/00 ,  B01J19/10 ,  F01D1/02

Abstract: Chemical reactor (10) and method for cracking are disclosed. A process fluid is accelerated with axial impulse impellers (40A, 40B) to a velocity greater than Mach 1 and, in turn, generating a shock wave (90) in the process fluid by decelerating it in a static diffuser (70) having diverging diffuser passages (72). Temperature increase of the process fluid downstream of the shockwave cracks or splits molecules, such as hydrocarbons entrained in the process fluid, in a single pass, through a unidirectional flow path (F), within a single stage, without recirculating the process fluid for another pass through the same stage. In some embodiments, a system involving at least two turbomachine chemical reactors (110) may provide multiple successive stages of one or more axial impulse impellers (40A, 40B), paired with a diverging passage, static diffuser (70).

公开(公告)号：US11059018B2

公开(公告)日：2021-07-13

申请号：US17049671

申请日：2018-05-16

Applicant: Dresser-Rand Company

Inventor： Silvano R. Saretto ,  Paul Morrison Brown ,  Kirk Ryan Lupkes ,  David Andrew Taylor

IPC: B01J3/08 ,  B01J19/10 ,  B01J19/18 ,  C10G9/00 ,  F01D1/02 ,  B01J19/00 ,  B01J6/00

Abstract: Chemical reactors (10) and methods crack hydrocarbons in process fluids by accelerating the process fluid to a velocity greater than Mach 1 with an axial impulse impeller (40) and generating a shock wave (90) in the process fluid by decelerating it in a static diffuser (70) having diverging diffuser passages (72). Temperature increase of the process fluid downstream of the shockwave cracks the entrained hydrocarbons in a single pass, through a unidirectional flow path (F), within a single stage, without recirculating the process fluid for another pass through the same stage. In some embodiments, the turbomachine chemical reactor (110) has multiple successive stages of one or more axial impulse impellers (40A, 40B), paired with a diverging passage, static diffuser (70). Successive stages crack additional hydrocarbons by successively raising temperature of the flowing process fluid.

公开(公告)号：US20210069665A1

公开(公告)日：2021-03-11

申请号：US17049671

申请日：2018-05-16

Applicant: Dresser-Rand Company

Inventor： Silvano R. Saretto ,  Paul Morrison Brown ,  Kirk Ryan Lupkes ,  David Andrew Taylor

IPC: B01J19/00 ,  B01J3/08 ,  B01J19/18 ,  B01J6/00 ,  C10G9/00

Abstract: Chemical reactors (10) and methods crack hydrocarbons in process fluids by accelerating the process fluid to a velocity greater than Mach 1 with an axial impulse impeller (40) and generating a shock wave (90) in the process fluid by decelerating it in a static diffuser (70) having diverging diffuser passages (72). Temperature increase of the process fluid downstream of the shockwave cracks the entrained hydrocarbons in a single pass, through a unidirectional flow path (F), within a single stage, without recirculating the process fluid for another pass through the same stage. In some embodiments, the turbomachine chemical reactor (110) has multiple successive stages of one or more axial impulse impellers (40A, 40B), paired with a diverging passage, static diffuser (70). Successive stages crack additional hydrocarbons by successively raising temperature of the flowing process fluid.

公开(公告)号：US10208768B2

公开(公告)日：2019-02-19

申请号：US15075299

申请日：2016-03-21

Applicant: Dresser-Rand Company

Inventor： David J. Peer ,  David Andrew Taylor ,  Brian David Massey ,  Kirk Ryan Lupkes ,  Scott David Wisler ,  James M. Sorokes ,  Mark J. Kuzdzal

IPC: F04D29/58 ,  F04D17/10 ,  F04D25/06 ,  F04D29/06 ,  F04D29/10 ,  F04D29/28 ,  F04D29/42 ,  F04D29/44 ,  F04D29/66 ,  F04D29/051

Abstract: A compressor may include a casing defining a discharge cavity and a seal cavity. A rotary shaft may be disposed in the casing, and a shaft seal assembly may be disposed in the seal cavity and about the rotary shaft. An impeller may be coupled with and configured to be driven by the rotary shaft. A balance piston may be integral with the impeller and may define the discharge cavity and the seal cavity. A balance piston seal may be disposed about the balance piston such that the balance piston seal and the balance piston define a radial clearance therebetween. The radial clearance may be configured to provide fluid communication from the impeller to the discharge cavity. A heat shield may be disposed in the discharge cavity, and may be configured to prevent the conduction of heat from the discharge cavity to the seal cavity via the casing.