Patent SG-11201811679T-A (SG)
Title: Method and apparatus for the production of air gases by the cryogenic separation of air with variable liquid production and power usage
Inventor: KONG PAUL
IPC: F25J3/04
Filed: 2017-06-29
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property MD HIM 0 11101 HOE 3E1 0 01110111MR Ell OH 110 11110 ill 011 Organization International Bureau (10) International Publication Number (43) International Publication Date .....0\"\"\" WO 2018/005719 Al 04 January 2018 (04.01.2018) W I PO I PCT (51) (21) (22) (25) Filing Language: (26) (30) (71) International Patent Classification: ET L'EXPLOITATION DES PROCEDES GEORGES F25J 3/04 (2006.01) CLAUDE [FR/FR]; 75 Quai d'Orsay, F-75007 Paris (FR). International Application Number: (72) Inventors; and PCT/US2017/039861 (71) Applicants (for US only): KONG, Paul [US/US]; 3303 Richland Drive, Sugar Land, Texas 77478 (US). PHAM- International Filing Date: 29 June 2017 (29.06.2017) HUY, Minh [US/US]; 12102 Bolero Point Lane, Houston, Texas 77041 (US). YIP, Wendy [US/US]; 13715 Hudson English Court, Sugar Land, Texas 77498 (US). Publication Language: English (74) Agent: MURRAY, Justin et al.; 9811 Katy Freeway, Suit Priority Data: 100, Houston, Texas 77024 (US). 62/356,955 30 June 2016 (30.06.2016) US (81) Designated States (unless otherwise indicated, for every 15/635,919 28 June 2017 (28.06.2017) US kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, Applicant (for all designated States except US): LAIR CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, LIQUIDE SOCIETE ANONYME POUR L'ETUDE DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, (54) Title: METHOD WITH VARIABLE LIQUID PRODUCTION AND POWER USAGE : A a purified and nitrogen of columns; the oxygen a dynamic fashion, a power savings and/or AIR --.... wherein Ot configured AND APPARATUS FOR THE PRODUCTION OF AIR GASES BY THE CRYOGENIC _ _. 20 FIG. 1 - I PI3 42 SEPARATION OF the steps of the air stream into when entering the oxygen pipeline, a controller the method which the pipeline = _•_ •_•_ 14b 22 --r _ 55 i . piz..), 1 Y Pllb I K30 1 . _1 32 I 26 Paa Fll i i 14 2 , _ 12.\ 10 40 to determine whether to operate method and and compressed using a withdrawing the pipeline apparatus for air system of has a pipeline to a cold at a product pressure; delivering the oxygen at a delivery pressure to an pressure; in a power additional columns, stream oxygen 11 ON (57) 1-1 sending IN in oxygen 0 system 0 1-1 O in ei the production wherein of air gases box under conditions effective for cryogenically separating the purified and and monitoring the pipeline pressure. The method can also include savings mode or a variable liquid production mode. By operating high value cryogenic liquids can be realized in instances in by the cryogenic separation of air can include compressed air stream is at a feed pressure C [Continued on next page] WO 2018/005719 Al MIDEDIMOMOIDEIREEMOOVIDEMOMOIMEN KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). Published: — with international search report (Art. 21(3)) pressure deviates from its highest value.