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1.发明公开HIGH-TEMPERATURE DUAL-SOURCE ORGANIC RANKINE CYCLE WITH GAS SEPARATIONS 审中-公开与气体分离两种来源有机HOCHTEMPERATURRANKINE过程
公开(公告)号：EP2195515A1
公开(公告)日：2010-06-16
申请号：EP07864758.3
申请日：2007-11-25
申请人： Doty Scientific Inc.
发明人： DOTY, F, David
CPC分类号： F01K17/06 , F01K3/12 , F01K19/10 , F01K25/10 , F22G1/005 , Y02E10/46 , Y02E20/16 , Y02T10/16 , Y02T10/166
摘要： In a dual-source organic Rankine cycle (DORC), the condensed and slightly sub-cooled working fluid at near ambient temperature (~300 K) and at low-side pressure (0.1 to 0.7 MPa) is (1) pumped to high-side pressure (0.5-5 MPa), (2) pre-heated in a low-temperature (LT) recuperator, (3) boiled using a low-grade heat source, (4) super-heated in a high-temperature (HT) recuperator to a temperature close to the expander turbine exhaust temperature using this exhaust vapor enthalpy, (5) further super-heated to the turbine inlet temperature (TIT) using a mid-grade heat source, (6) expanded through a turbine expander to the low-side pressure, (7) cooled through the HT recuperator, (8) cooled through the LT recuperator, (9) mostly liquefied and slightly subcooled in a condenser, and (10) the condensed portion is returned to the pump to repeat this cycle.
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2.发明公开COMPACT, HIGH-EFFECTIVENESS, GAS-TO-GAS COMPOUND RECUPERATOR WITH LIQUID INTERMEDIARY 审中-公开与液体流换热器中，高效率的紧凑型气体气体连接
公开(公告)号：EP2220453A1
公开(公告)日：2010-08-25
申请号：EP08771100.8
申请日：2008-06-13
申请人： Doty Scientific Inc.
发明人： DOTY, F, David
CPC分类号： F28D7/163 , F28D1/0477 , F28D1/05316 , F28D7/08 , F28D15/00
摘要： A liquid-loop compound recuperator is disclosed for high-e heat exchange between a first shell-side fluid stream and a second shell-side fluid stream of similar thermal capacity rates (W/K). The compound recuperator is comprised of at least two fluid-to-liquid (FL) recuperator modules for transfer of heat from a shell-side fluid, usually a gas, to an intermediary tube-side heat transfer liquid (HTL). Each FL module includes a plurality of thermally isolated, serially connected, adjacent exchanger cores inside a pressure vessel. The cores are rows of finned tubes for cross-flow transfer of heat, and they are arranged in series to effectively achieve counterflow exchange between the HTL and the shell-side stream. The HTL may be water, an organic liquid, a molten alloy, or a molten salt.
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