公开(公告)号：US20170363288A1

公开(公告)日：2017-12-21

申请号：US15606038

申请日：2017-05-26

Applicant: ExxonMobil Research and Engineering Company

Inventor： Hyungsik Lee ,  Larry M. Saddler

IPC: F23L15/04

CPC classification number: F23L15/045 ,  C10G9/005 ,  C10G9/20 ,  F23L15/00 ,  F28D7/08 ,  F28D15/0275 ,  F28D21/001 ,  Y02E20/348

Abstract: An improved fired heater with air preheating provided by one or more heat pipes. The fired heater may include at least one burner for combusting a fuel stream and an air stream and producing heated exhaust gases; a hot gas flow path and at least one conduit containing a process fluid to be heated by heat transfer from the heated exhaust gases; and an air preheater comprising at least one heat pipe having a first section exposed to the heated exhaust gases and a second section exposed to the air stream, wherein the heat pipe is positioned and arranged to transfer heat from the heated exhaust gases to the air stream, wherein the at least one heat pipe contains a working fluid sealed within the heat pipe, wherein said working fluid transfers heat from the heated exhaust gas to the air stream to be preheated.

公开(公告)号：US20140197075A1

公开(公告)日：2014-07-17

申请号：US14132228

申请日：2013-12-18

Applicant: ExxonMobil Research and Engineering Company

Inventor： Krista Marie Prentice ,  Michel Daage ,  Jason M. McMullan ,  Gregory J. DeMartin ,  John Stephen Szobota ,  Ronald M. Gould ,  Anastasios Ioannis Skoulidas ,  Hyungsik Lee ,  Pawel K. Peczak ,  Charles Lambert Baker, JR. ,  Thomas Francis Degan, JR. ,  Lei Zhang ,  X B III ,  Philip J. Lenart

IPC: C10G7/00

CPC classification number: C10G7/003 ,  B01D17/005 ,  B03C11/00 ,  B03C2201/02 ,  C10G31/06 ,  C10G32/02 ,  C10G53/02 ,  C10G71/00

Abstract: Systems and methods are provided for using field enhanced separations to produce multiple fractions from a petroleum input. A liquid thermal diffusion and/or electric field separation is used to produce the fractions. The fractions can then be used to form multiple outputs that share a first feature while being different with regard to a second feature. For example, a first fraction from the plurality of fractions can have a desired value for a first property such as viscosity index. Two or more additional fractions from the plurality of fractions can then be blended together to make a blended fraction or output. The blended fraction can have a value for the first property that is substantially similar to the value for the first fraction. However, for a second property, the first fraction and the blended fraction can have distinct values. As a result, multiple output fractions can be formed that share a first feature but differ in a second feature.

Abstract translation: 提供了系统和方法，用于使用场增强分离从石油输入产生多个馏分。 使用液体热扩散和/或电场分离来生产级分。 然后可以使用分数来形成共享第一特征的多个输出，同时关于第二特征不同。 例如，来自多个级分的第一级分可以具有用于第一性质（例如粘度指数）的期望值。 然后将来自多个馏分的两个或更多个附加馏分混合在一起以制备混合部分或输出。 混合分数可以具有基本上类似于第一级分的值的第一性质的值。 然而，对于第二特性，第一级分和混合级分可以具有不同的值。 结果，可以形成共享第一特征但在第二特征中不同的多个输出分数。

公开(公告)号：US20180340686A1

公开(公告)日：2018-11-29

申请号：US15981338

申请日：2018-05-16

Applicant: ExxonMobil Research and Engineering Company

Inventor： Hyungsik Lee ,  Kelly T. Murphy ,  Ada M. Cardenas ,  Todd A. Grubb

IPC: F23L17/00 ,  F23L15/04

Abstract: A system for increasing flue gas side draft in a heater or boiler assembly is disclosed utilizing an impeller assembly to enable an increase in firing rates beyond the ability of the exhaust stack and to reduce the size of the low flue gas side pressure drop heat pipe air preheaters.