公开(公告)号：EP0795728A3

公开(公告)日：1998-08-05

申请号：EP96307912

申请日：1996-10-31

申请人： AIR PROD & CHEM

发明人： SORENSEN JAMES CHRISTIAN ,  FELDMAN STEVEN LAWRENCE ,  AGRAWAL RAKESH ,  WOODWARD DONALD WINSTON ,  SMITH ARTHUR RAMSDEN

IPC分类号： F01K23/06 ,  F25J3/04 ,  F25J3/02

CPC分类号： F25J3/04206 ,  F01K23/068 ,  F25J3/0409 ,  F25J3/04303 ,  F25J3/04351 ,  F25J3/04412 ,  F25J3/04545 ,  F25J3/04563 ,  F25J3/04575 ,  F25J3/04593 ,  F25J3/04672 ,  F25J3/04678 ,  F25J2200/20 ,  F25J2200/54 ,  F25J2205/02 ,  F25J2215/02 ,  F25J2215/50 ,  F25J2235/58 ,  F25J2240/44 ,  F25J2245/02 ,  F25J2245/40 ,  F25J2245/42 ,  F25J2250/20 ,  F25J2250/40 ,  F25J2250/50 ,  F25J2270/02 ,  F25J2290/10 ,  Y02E20/16 ,  Y02E20/18 ,  Y10S62/915

摘要： An integrated gasification combined cycle (IGCC) power generation system is operated with a cryogenic air separation system which produces oxygen (283;325) used in a gasification system to produce fuel gas (267) for the IGCC combustion turbine (269,271,277) and pressurized nitrogen (265;323;539) which is introduced into the turbine combustor (269) for control of nitrogen oxides and increased combustion turbine output. The air separation system produces argon (255;CLAR;LAR) as an additional product, and the air separation system preferably operates in the feed pressure range of 100 to 160 psia (0.7 to 1.1 MPa). The compressed air feed (207) for the air separation system and the compressed combustion air (273) for the IGCC system are provided independently in separate compression steps (201,271).

公开(公告)号：EP0811816A3

公开(公告)日：1998-09-09

申请号：EP97303674

申请日：1997-05-30

申请人： AIR PROD & CHEM

发明人： FIDKOWSKI ZBIGNIEW TADEUSZ ,  SUCHDEO SHYAM RAMCHAND ,  AGRAWAL RAKESH

IPC分类号： F25J3/04

CPC分类号： F25J3/04812 ,  F25J3/0423 ,  F25J3/04296 ,  F25J3/04321 ,  F25J3/04345 ,  F25J3/04393 ,  F25J3/04412 ,  F25J3/04496 ,  F25J3/04957 ,  F25J2200/20 ,  F25J2200/54 ,  F25J2205/04 ,  F25J2215/42 ,  F25J2215/50 ,  F25J2230/24 ,  F25J2230/40 ,  F25J2240/60 ,  F25J2245/42 ,  F25J2245/50 ,  F25J2270/02 ,  F25J2290/10 ,  Y10S62/939 ,  Y10S62/94

摘要： Cryogenic apparatus comprising a liquefier (11) and a dual column system distillation column system (81) selectively operates in a first mode during which only liquid nitrogen (130) is produced and a second mode during which liquid nitrogen (130) and liquid oxygen (106) are produced. By adjusting the time of operation in each mode, any ratio of liquid nitrogen (130) to liquid oxygen (106) greater than the ratio achieved during the second mode of operation can be achieved. In the first mode of operation, a condenser (88) is used to condense the lower pressure column gaseous nitrogen into lower pressure column nitrogen condensate (122) against at least a portion (146) of the crude oxygen liquid (92) from the higher pressure column (82), at least a portion (108) of the oxygen-enriched liquid (104) from the lower pressure column (86), at least a portion (138) of the liquefied air (134), or mixtures thereof. In the second mode of operation, said condenser (88) is not used; instead, all of the crude oxygen liquid (92) is introduced into the lower pressure column (86), which produces a liquid oxygen product (106) and a low pressure overhead waste stream (152) containing nitrogen.