序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
1 预冷却的液化方法 CN201010176082.7 2010-05-05 CN101880560A 2010-11-10 M·J·罗伯茨; V·A·瓦马
发明涉及预冷却的液化方法,具体地涉及一种用于对天然气流进行液化的系统和方法,该方法包括步骤:提供用于液化的脱天然气流,在预冷却设备中预冷却该脱水天然气流,这里该预冷却是使用基本由氢氟化物(HFC)制冷剂组成的预冷却剂来进行的,在主热交换器中,通过与汽化混合制冷冷却剂的间接热交换,来进一步冷却该预冷却过的脱水天然气流,来产生液化的天然气产物流,这里该混合的制冷冷却剂包含乙烷、甲烷、氮气、和小于或者等于3mol%的丙烷。
2 使用固体吸附剂的气体纯化方法 CN98119211.4 1998-09-09 CN1213578A 1999-04-14 M·A·卡拉斯; T·C·戈尔登
在深冷分离和氮前对空气进行纯化以除去和二氧化及其它污染物时,水和二氧化碳被吸附至固体吸附剂上,并被定期解吸附以再生吸附剂,再生是通过通入加热的再生气进行的,其中加入再生气以产生解吸的热量不多于吸附水和二氧化碳时所释放的吸附热的90%。该过程也可用于从其它气流中除去其它污染物。
3 使用固体吸附剂的气体纯化方法 CN98119211.4 1998-09-09 CN1091629C 2002-10-02 M·A·卡拉斯; T·C·戈尔登
在深冷分离和氮前对空气进行纯化以除去和二氧化及其它污染物时,水和二氧化碳被吸附至因体吸附剂上,并被定期解吸附以再生吸附剂,再生是通过通入加热的再生气进行的,其中加入再生气以产生解吸的热量不多于吸附水和二氧化碳时所释放的吸附热的90%。该过程也可用于从其它气流中除去其它污染物。
4 ETHANE RECOVERY AND ETHANE REJECTION METHODS AND CONFIGURATIONS US15259354 2016-09-08 US20170051970A1 2017-02-23 John Mak
Contemplated plants for flexible ethane recovery and rejection by allowing to switch the top reflux to the demethanizer from residue gas to the deethanizer overhead product and by controlling the flow ratio of feed gas to two different feed gas exchangers. Moreover, the pressure of the demethanizer is adjusted relative to the deethanizer pressure for control of the ethane recovery and rejection.
5 Purification of gases using solid adsorbents EP98307188.7 1998-09-07 EP0901807A3 1999-04-21 Kalbassi, Mohammad Ali; Golden, Timothy Christopher

In the purification of air to remove water and carbon dioxide and other contaminants prior to cryogenic separation of oxygen and nitrogen, water and carbon dioxide are adsorbed on a solid adsorbent (20,22) and are periodically desorbed to regenerate the adsorbent by the passing of a heated regenerating gas (56) such that the quantity of heat added to the regenerating gas to produce desorption is no more than 90 percent of the heat of adsorption liberated during the adsorption of the water and carbon dioxide. The process is applicable to removing other contaminants from other gas streams also.

6 Method for adjusting the high heating value of gas in the LNG chain US11601109 2006-11-17 US07678951B2 2010-03-16 Denis Chretien
The subject of the invention is a method for treating a natural gas containing ethane, comprising the following stages: (a) extraction of at least one part of the ethane from the natural gas; (b) reforming of at least one part of the extracted ethane into a synthesis gas; (c) methanation of the synthesis gas into a methane-rich gas; and (d) mixing of the methane-rich gas with the natural gas. Installation for implementing this method.
7 Method for Liquefaction of Natural Gas US12175559 2008-07-18 US20100011663A1 2010-01-21 David A. Coyle
A method of altering the heating value of a liquefied natural gas by adding higher heating value components is disclosed. A portion of the liquefied natural gas is used to cool the higher heating value component stream prior to combining the higher heating value components with the liquefied natural gas to obtain a combined stream having a heating value greater than the liquefied natural gas.
8 Method for adjusting the high heating value of gas in the LNG chain US11601109 2006-11-17 US20070149838A1 2007-06-28 Denis Chretien
The subject of the invention is a method for treating a natural gas containing ethane, comprising the following stages: (a) extraction of at least one part of the ethane from the natural gas; (b) reforming of at least one part of the extracted ethane into a synthesis gas; (c) methanation of the synthesis gas into a methane-rich gas; and (d) mixing of the methane-rich gas with the natural gas. Installation for implementing this method.
9 Method and apparatus for compressing gas US388375 1982-06-14 US4461154A 1984-07-24 Rodney J. Allam
The fuel required to provide the energy for compressing a gas can be reduced by compressing the gas substantially adiabatically through a pressure ratio of at least 2.5:1 in a compressor, cooling the hot compressed gas by heat exchange with water at superatmospheric pressure, further heating the water to produce super-heated steam and using the superheated steam to drive the compressor. The total amount of fuel consumed can be considerably less than that used for compressing gas conventionally (i.e. substantially isothermally).
10 METHODS AND SYSTEMS FOR ENHANCING PRODUCTION OF LIQUEFIED NATURAL GAS US15617314 2017-06-08 US20180356151A1 2018-12-13 Arul Saravanapriyan Suraganda Narayana; Thomas Ross Youmans; Rahul Chadha; Lana El Chaar
A method for enhancing a LNG production train that includes connected train components. The method may include steps of: constructing an integrated surveillance system for monitoring operation of the train components; using the integrated surveillance system to measure and record operational data and event data related to, respectively, the operation and a failure event of the train components over a historical operating period; performing a correlation analysis that calculates a correlation between the occurrences of the failure event and the operational data; given results of the correlation analysis, deriving a prognostic rule that indicates a likelihood of the failure event occurring based on values of the operating parameters of the operational data; applying the prognostic rule to current values of the operating parameters and determining therefrom the likelihood of the failure event occurring; determining an advisory related to the determined likelihood of the failure event occurring; and issuing the advisory.
11 Method for liquefaction of natural gas US12175559 2008-07-18 US08381544B2 2013-02-26 David A. Coyle
A method of altering the heating value of a liquefied natural gas by adding higher heating value components is disclosed. A portion of the liquefied natural gas is used to cool the higher heating value component stream prior to combining the higher heating value components with the liquefied natural gas to obtain a combined stream having a heating value greater than the liquefied natural gas.
12 Pre-Cooled Liquefaction Process US12435869 2009-05-05 US20100281915A1 2010-11-11 Mark Julian Roberts; Vishal Anandswarup Varma
A system and method for liquefying a natural gas stream, the method including the steps of providing a dehydrated natural gas stream for liquefaction, pre-cooling the dehydrated natural gas stream in a pre-cooling apparatus, where the pre-cooling is performed by using a pre-coolant that consists essentially of a hydroflorocarbon (HFC) refrigerant, further cooling the pre-cooled dehydrated natural gas stream in a main heat exchanger through indirect heat exchange against a vaporized hydrocarbon mixed refrigerant coolant to produce a liquefied natural gas product stream, where the mixed refrigerant coolant comprises ethane, methane, nitrogen, and less than or equal to 3 mol % of propane.
13 Purification of gases using solid adsorbents US926402 1997-09-09 US5855650A 1999-01-05 Mohammad Ali Kalbassi; Timothy Christopher Golden
In the purification of air to remove water and carbon dioxide and other contaminants prior to cryogenic separation of oxygen and nitrogen, water and carbon dioxide are adsorbed on a solid adsorbent and are periodically desorbed to regenerate the adsorbent by the passing of a heated regenerating gas such that the quantity of heat added to the regenerating gas to produce desorption is no more than 90 percent of the heat of adsorption liberated during the adsorption of the water and carbon dioxide. The process is applicable to removing other contaminants from other gas streams also.
14 Method and apparatus for liquefying natural gas stream JP2010105774 2010-04-30 JP2010261038A 2010-11-18 ROBERTS MARK J; VARMA VISHAL ANANDSWARUP
<P>PROBLEM TO BE SOLVED: To provide an apparatus and a method for liquefying a natural gas stream. <P>SOLUTION: The method includes: a step of providing a dehydrated natural gas stream for liquefaction; a step of pre-cooling the dehydrated natural gas stream in a pre-cooling apparatus, wherein the pre-cooling is performed by using a pre-coolant consisting essentially of a hydrofluorocarbon (HFC) refrigerant; and a step of further cooling the pre-cooled and dehydrated natural gas stream in a main heat exchanger through indirect heat exchange against a vaporized hydrocarbon mixed refrigerant coolant and producing a liquefied natural gas product stream. The mixed refrigerant coolant includes ethane, methane, nitrogen, and ≤3 mol% of propane. <P>COPYRIGHT: (C)2011,JPO&INPIT
15 Gas purifying method using solid adsorbent JP25415698 1998-09-08 JPH11137943A 1999-05-25 KALBASSI MOHAMMAD ALI; GOLDEN TIMOTHY CHRISTOPHER
PROBLEM TO BE SOLVED: To improve the regenerating efficiency of an adsorbent by passing a gas for regenerating, which is heated to a specific temp., through an adsorption bed to desorb at the time of regenerating the adsorption bed, on which a component is adsorbed from a gas flow by bringing the gas flow into contact with the adsorbent. SOLUTION: Air supplied to an inlet manifold 14 by being compressed by a main compressor system 10 in the operation reaches one of an adsorbent vessel 20, is passed through a valve 42 and discharged from an outlet 38 and at this time, the air supply to another vessel 22 is interrupted and the adsorption bed in the vessel 22 is engaged in the regenerating process. In the regenerating process, a valve 28 is opened to start reducing the pressure of the adsorption bed and successively and one-way valve 50 is opened to start passing the gas for regenerating. In such a case, the gas for regenerating is heated to a temp. corresponding to ≤90% of the heat capacity of heat of adsorption released during the adsorption of the gas component, e.g. 100°C, by opening a valve 58 to be passed through a heater 62. And carbon dioxide is removed by intermittently giving heat pulse and after a prescribed time is elapsed, a valve 60 is opened and the cooled gas for regenerating is introduced. COPYRIGHT: (C)1999,JPO
16 Natural gas stream liquefaction method and apparatus JP2010105774 2010-04-30 JP5502590B2 2014-05-28 ジュリアン ロバーツ マーク; アナンズワルプ バルマ ビシャル
17 Gas compression and device JP10466782 1982-06-17 JPS5810526A 1983-01-21 RODONII JIYON ARAMU
18 Purification of gases using solid adsorbents EP98307188.7 1998-09-07 EP0901807B1 2003-08-27 Kalbassi, Mohammad Ali; Golden, Timothy Christopher
19 Purification of gases using solid adsorbents EP98307188.7 1998-09-07 EP0901807A2 1999-03-17 Kalbassi, Mohammad Ali; Golden, Timothy Christopher

In the purification of air to remove water and carbon dioxide and other contaminants prior to cryogenic separation of oxygen and nitrogen, water and carbon dioxide are adsorbed on a solid adsorbent (20,22) and are periodically desorbed to regenerate the adsorbent by the passing of a heated regenerating gas (56) such that the quantity of heat added to the regenerating gas to produce desorption is no more than 90 percent of the heat of adsorption liberated during the adsorption of the water and carbon dioxide. The process is applicable to removing other contaminants from other gas streams also.

20 Method and apparatus for compressing gas EP82302662.0 1982-05-25 EP0069454B1 1988-11-09 Allam, Rodney John
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