序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
41 Apparatus for generating both steam and electric power JP12357081 1981-08-06 JPS5752607A 1982-03-29 UIRIAMU HADOREE UIRUKINSON
PURPOSE: To improve efficiency by extracting steam from a high pressure extractor to supply it to high pressure process steam demand, supplying steam extracted from a low pressure extractor to low pressure process demand and boosting said steam to supply it to the high pressure process steam demand. CONSTITUTION: Overheat high pressure steam from a boiler enters a high pressure turbine section 10 through a piping 12. The high pressure steam is extracted through a piping 14 and the remaining steam enters a low pressure turbine section 16. Shaft work done by expansion of the steam through the turbine section is used for generation by a generator 20. A heater 30 provides an amount of high pressure steam to the demand of high pressure process steam to reduce an amount of high pressure steam extracted from the high pressure turbine section 10. The surplus low pressure steam is given to the heater 30 through pipings 32, 34. COPYRIGHT: (C)1982,JPO&Japio
42 Method of thermally forming flow of working medium JP1175581 1981-01-30 JPS56121806A 1981-09-24 YOHAN EDOBARUDO NIIBERUGU
43 System for producing heat source for heating or electricity using medium/low temperature waste heat, and method for controlling the same US14893287 2014-05-20 US09746191B2 2017-08-29 Min Cheol Kang; Hyo Seok Lee; Jong Kook Seong
A system for producing a heat source for heating or electricity, using medium/low-temperature waste heat includes: an absorption-type heat pump (100) supplied with a driving heat source and heat source water to heat a low-temperature heat medium; a regenerator heat exchange unit (210) for supplying a regenerator (110) with a driving heat source using waste heat; an evaporator heat exchange unit (220) for supplying an evaporator with heat source water; a heat medium circulation line (310) for circulating a heat medium; a generation unit (400) branching off from the heat medium circulation line (310) and producing electricity; a heat production unit (500) branching off from the heat medium circulation line (310) and supplying a heat-demanding place with a heat source for heating; and a switching valve unit (600) for controlling the flow of heat medium supplied the generation unit (400) or the heat production unit (500).
44 THERMAL POWER PLANT WITH HEAT RECOVERY US15106730 2014-12-10 US20170002691A1 2017-01-05 Josef MÄCHLER
In an energy conversion method and a thermal power plant for converting heat into mechanical or electric energy using a working medium, a vapor state in the working medium is generated at a first pressure in a steam generator. The vaporized working medium is expanded to a lower second pressure in a steam expanding device. An energy obtained by the expansion process is discharged. The expansion of the steam state is carried out using a saturation line of the working medium. The working medium is thereby separated into a non-condensed portion and a condensed portion in a separating device. The non-condensed portion is then compressed into a compressed non-condensed portion in a compressor. The compressed non-condensed portion is cooled and condensed into a compressed condensed portion. The compressed condensed portion and the initially condensed portion are then heated, and both portions are returned to the steam generator together.
45 COGENERATION POWER PLANT AND METHOD FOR OPERATING A COGENERATION POWER PLANT US14430351 2013-09-12 US20150226500A1 2015-08-13 Florian Reissner; Jochen Schafer
A cogeneration power plant and a method for operating a cogeneration power plant are provided, with a working medium being additionally cooled by a suitable heat pump between an outlet of a thermal heating device and an inlet of a power generator of the cogeneration process. The thermal power obtained in this manner is again available for heating purposes within the heat cycle.
46 Electric power plant, and method for running electric power plant US12920505 2009-01-30 US08448439B2 2013-05-28 Koji Namba; Shigeo Hatamiya; Fumio Takahashi; Koji Nishida; Susumu Nakano; Takanori Shibata
An electric power plant supplies steam generated to a high-pressure turbine and a low-pressure turbine. The steam discharged from the low-pressure turbine is condensed with a condenser. Water generated with the condenser is heated with a low-pressure feed water heater and a high-pressure feed water heater. The steam extracted from the high-pressure turbine is supplied to the high-pressure feed water heater. The steam extracted from the low-pressure turbine is compressed with a steam compressor, and the steam whose temperature has been increased is then supplied to the high-pressure feed water heater. The feed water is heated in the high-pressure feed water heater by the steam extracted from the high-pressure turbine and the steam compressed with the steam compressor. Because the feed water is heated by the extracted steam and the compressed steam in the high-pressure feed water heater, the amount of power consumed by the steam compressor can be reduced.
47 Thermally activated high efficiency heat pump US12675212 2007-08-28 US08297065B2 2012-10-30 Igor B. Vaisman; Michael F. Taras; Joseph J. Sangiovanni
A vapor compression cycle system is combined with a Rankine cycle system, with the two systems having a common suction accumulator from which the compressor draws refrigerant vapor for the vapor compression cycle system and from which a pump draws liquid refrigerant for circulation within the Rankine cycle system. The vapor from the Rankine cycle system expander is passed to the compressor discharge to provide a mixture which is circulated within the vapor compression cycle system to obtain improved performance. The heat exchangers are sized so as to obtain a non-complete evaporation, with the resulting two-phase fluid passing to the suction accumulator to provide liquid refrigerant to the Rankine cycle system and vapor refrigerant to the vapor compression cycle system.
48 ELECTRICITY GENERATION DEVICE WITH SEVERAL HEAT PUMPS IN SERIES US13141057 2009-12-18 US20110309635A1 2011-12-22 Alberto Sardo
The device for generating electricity (1) comprises:a first heat pump (3) provided with a first closed circuit (15) in which a first heat-transfer fluid circulates, and with a first heat exchanger (17) between the first heat-transfer fluid and a flow of atmospheric air in which the flow of atmospheric air transfers a quantity of heat to the first heat-transfer fluid,at least a second heat pump (5), provided with a second closed circuit (23) in which a second heat-transfer fluid circulates, and with a second heat exchanger (25) between the second heat-transfer fluid and a third heat-transfer fluid in which the second heat-transfer fluid transfers a quantity of heat to the third heat-transfer fluid;means for transferring a quantity of heat from the first heat-transfer fluid to the second heat-transfer fluid;a third closed circuit (9), in which the third heat-transfer fluid circulates;a turbine (11) inserted on the third closed circuit (9) and driven by the third heat-transfer fluid; an electric generator (13), mechanically driven by the turbine (11).
49 Heat pump system, operation procedure therefor and evaporator system US12202065 2008-08-29 US07981254B2 2011-07-19 Tadaharu Kishibe; Susumu Nakano; Takanori Shibata
In a heat pump system including a water purifier and an evaporator for evaporating feed-water to produce steam, water used for spray cooling is effectively used and productivity of purified water used for the spray cooling is increased. Discharged water from the water purifier is supplied to the evaporator when water used for spray cooling is produced by use of the water purifier. Otherwise, drain of the evaporator having higher temperature is supplied to the water purifier by using such a fact that in a reverse osmosis membrane type water purifier, the higher the temperature of feed-water is, the higher the purified water productivity becomes.
50 Latent Heat Recovery Generator System US12836620 2010-07-15 US20110131996A1 2011-06-09 Cheng-Chun Lee
A heat recovery generator system (1) includes a boiler (11) converting water into high-pressure steam that passes through a steam pipe (12), a turbine (13), a first pipe (10), a condenser (15), and a second pipe (102) in sequence. The steam condenses into water after passing through the condenser (15). The condensed water passes through a water pump (16), a water supply pipe (17), and a heater (18) to the boiler (11). A latent heat recovery device (2) includes a compressor (21) that outputs a coolant moving along a coolant pipe (22) passing in sequence through a first heat exchanger device (23) and a second heat exchanger device (25) and then returning to the compressor (21). A third pipe (103) branches from the first pipe (101) and is connected to a fourth pipe (104) via the second heat exchanger device (25). The coolant absorbs heat from the steam via the second heat exchanger device (25). Heat recovery water absorbs the heat released from the coolant through the first heat exchanger device (23).
51 Thermodynamic power generation system US12858265 2010-08-17 US20110036091A1 2011-02-17 Robert F. Waterstripe; Gary P. Hoffman; Richard L. Willoughby
A power generation system that includes a heat source loop, a heat engine loop, and a heat reclaiming loop. The heat can be waste heat from a steam turbine, industrial process or refrigeration or air-conditioning system, solar heat collectors or geothermal sources. The heat source loop may also include a heat storage medium to allow continuous operation even when the source of heat is intermittent. Heat from the heat source loop is introduced into the heat reclaiming loop or turbine loop. In the turbine loop a working fluid is boiled, injected into the turbine, recovered condensed and recycled. The power generation system further includes a heat reclaiming loop having a fluid that extracts heat from the turbine loop. The fluid of the heat reclaiming loop is then raised to a higher temperature and then placed in heat exchange relationship with the working fluid of the turbine loop. The power generating system is capable of using low temperature waste heat is approximately of 150 degrees F. or less. The turbine includes one or more blades mounted on a rotating member. The turbine also includes one or more nozzles capable of introducing the gaseous working fluid, at a very shallow angle on to the surface of the blade or blades at a very high velocity. The pressure differential between the upstream and downstream surfaces of the blade as well as the change in direction of the high velocity hot gas flow create a combined force to impart rotation to the rotary member.
52 THERMALLY ACTIVATED HIGH EFFICIENCY HEAT PUMP US12675212 2007-08-28 US20100218513A1 2010-09-02 Igor B. Vaisman; Michael F. Taras; Joseph J. Sangiovanni
A vapor compression cycle system is combined with a Rankine cycle system, with the two systems having a common suction accumulator from which the compressor draws refrigerant vapor for the vapor compression cycle system and from which a pump draws liquid refrigerant for circulation within the Rankine cycle system. The vapor from the Rankine cycle system expander is passed to the compressor discharge to provide a mixture which is circulated within the vapor compression cycle system to obtain improved performance. The heat exchangers are sized so as to obtain a non-complete evaporation, with the resulting two-phase fluid passing to the suction accumulator to provide liquid refrigerant to the Rankine cycle system and vapor refrigerant to the vapor compression cycle system.
53 Heat energy supply system and method, and reconstruction method of the system US11304626 2005-12-16 US07669418B2 2010-03-02 Kooichi Chino; Moriaki Tsukamoto; Toshihiko Fukushima; Shigeo Hatamiya
A heat energy supply system and method capable of drastically increasing energy efficiency and energy supply efficiency, as well as a reconstruction method of the heat energy supply system. The heat energy supply system comprises a boiler for heating a heat medium and producing steam including water and other vapors, a heat pump including a steam turbine driven by the steam supplied from the boiler and a heat exchanger for heating the heat medium by employing waste heat or heat obtained from environment, thereby producing the steam at a setting temperature, and a steam supply line for supplying the steam discharged from the steam turbine and the steam heated by the heat exchanger to a heat utilization facility.
54 Heat Cycle System and Composite Heat Cycle Electric Power Generation System US12085351 2006-10-12 US20090165456A1 2009-07-02 Noboru Masada
A high-efficiency heat cycle system including a compressor, a first turbine, first and second heat exchangers 7 and 8, a first pump, and an expander, and a composite heat cycle power generator using the high-efficiency heat cycle system. Working gas Fg compressed in the compressor (C) drives a first turbine (S) and is thereafter cooled by passing through a heat dissipating side of a first heat exchanger (7) and then raised in pressure by a first pump (P) to form high-pressure working liquid Fe, the high-pressure working liquid is expanded and evaporated in a expander (K) to form working gas Fg, said working gas Fg is heated by passing through a heat receiving side 82 of the second heat exchanger before being introduced into the compressor C. A heat dissipating side 81 of the second heat exchanger comprises a heat dissipating portion of a refrigerating machine or a heat dissipating portion for waste heat from a heating machine.
55 Moderate Temperature Heat Conversion Process US11695516 2007-04-02 US20080236166A1 2008-10-02 Walter Frederick Burrows
A process that can achieve thermally efficient conversion of heat energy to kinetic energy at moderate temperatures is disclosed in which alternating injections of hot and cool thermal fluid are made into a working gas. The thermal fluid on exiting the heat engine is thermally reconditioned with one or more heat pumps then sent back to the thermal fluid injectors.
56 Integrated plant cooling system US11699290 2007-01-29 US20080178590A1 2008-07-31 Rahul J. Chillar; Raub W. Smith
An integrated power plant cooling system for an electrical generating power plant driven by a gas turbine to cool power plant components is provided. The integrated cooling system includes a heat source extracted from the power plant and an absorption chiller utilizing energy from the heat source to cool a chilling medium. An integrated cooling skid includes heat removal devices for a plurality of power plant components. The chilling medium output from the absorption chiller is circulated to the heat removal devices for the power plant components of the integrated cooling skid. Plant cooling water may remove heat from the absorption chiller.
57 Heat energy supply system and method, and reconstruction method of the system US11304626 2005-12-16 US20060130482A1 2006-06-22 Kooichi Chino; Moriaki Tsukamoto; Toshihiko Fukushima; Shigeo Hatamiya
A heat energy supply system and method capable of drastically increasing energy efficiency and energy supply efficiency, as well as a reconstruction method of the heat energy supply system. The heat energy supply system comprises a boiler for heating a heat medium and producing steam including water and other vapors, a heat pump including a steam turbine driven by the steam supplied from the boiler and a heat exchanger for heating the heat medium by employing waste heat or heat obtained from environment, thereby producing the steam at a setting temperature, and a steam supply line for supplying the steam discharged from the steam turbine and the steam heated by the heat exchanger to a heat utilization facility.
58 Low temperature heat engine US10743968 2003-12-23 US07010920B2 2006-03-14 Theodore Charles Saranchuk; Donald Edward Marksberry
A method for producing power to drive a load (17) using a working fluid circulating through a system that includes a prime mover (12) having an inlet and an accumulator (20) containing discharge fluid exiting the prime mover. A stream of heated vaporized fluid is supplied at relatively high pressure to the prime mover inlet and is expanded through the prime mover (12) to a lower pressure discharge side where discharge fluid enters an accumulator (20). The discharge fluid is vaporized by passing it through an expansion device (28) across a pressure differential to a lower pressure than the pressure at the prime mover discharge side. Latent heat of condensation in the discharge fluid being discharged from the prime mover is transferred by a heat exchanger (14) to discharge fluid that has passed through the expansion device (28). Vaporized discharge fluid, to which heat has been transferred from fluid discharged from the prime mover, can be returned through a compressor (20) and vapor drum (34) to the prime mover inlet. Vaporized discharge fluid can be removed directly from the accumulator (20) by a compressor (16) where it is pressurized slightly above the pressure in the vapor drum (34), to which it is delivered directly, or it can be passed through a heat exchanger (50) where the heat from the compressed fluid is transferred to an external media after leaving the compressor (16) in route to the vapor drum (34). Liquid discharge fluid from the accumulator (20) is pumped to a boiler liquid drum (32), then to the vapor drum (34) through a heat exchanger (10). The liquid discharge fluid may be expanded through an orifice (62) to extract heat from an external source at heat exchanger (56) and discharged into the vapor drum (34) or the accumulator (20), depending on its temperature upon leaving heat exchanger (56).
59 Low temperature heat engine US10743968 2003-12-23 US20040182082A1 2004-09-23 Theodore Charles Saranchuk; Donald Edward Marksberry
A method for producing power to drive a load (17) using a working fluid circulating through a system that includes a prime mover (12) having an inlet and an accumulator (20) containing discharge fluid exiting the prime mover. A stream of heated vaporized fluid is supplied at relatively high pressure to the prime mover inlet and is expanded through the prime mover (12) to a lower pressure discharge side where discharge fluid enters an accumulator (20). The discharge fluid is vaporized by passing it through an expansion device (28) across a pressure differential to a lower pressure than the pressure at the prime mover discharge side. Latent heat of condensation in the discharge fluid being discharged from the prime mover is transferred by a heat exchanger (14) to discharge fluid that has passed through the expansion device (28). Vaporized discharge fluid, to which heat has been transferred from fluid discharged from the prime mover, can be returned through a compressor (20) and vapor drum (34) to the prime mover inlet. Vaporized discharge fluid can be removed directly from the accumulator (20) by a compressor (16) where it is pressurized slightly above the pressure in the vapor drum (34), to which it is delivered directly, or it can be passed through a heat exchanger (50) where the heat from the compressed fluid is transferred to an external media after leaving the compressor (16) in route to the vapor drum (34). Liquid discharge fluid from the accumulator (20) is pumped to a boiler liquid drum (32), then to the vapor drum (34) through a heat exchanger (10). The liquid discharge fluid may be expanded through an orifice (62) to extract heat from an external source at heat exchanger (56) and discharged into the vapor drum (34) or the accumulator (20), depending on its temperature upon leaving heat exchanger (56).
60 Heat recycling process US128077 1987-12-03 US4848088A 1989-07-18 Milan P. M. Lazarevich
The present invention relates to process and apparatus for regenerating low temperature, low pressure energy from the vaporization of a primary fluid having a high boiling point and a large latent heat of vaporization to high pressure, high temperature energy which can then either be fed back to that same primary fluid or put to other uses. The process comprises interacting the primary fluid with a heat recycling fluid consisting of a solution of two basic fluids, a solute and a solvent. The solvent has a low boiling point and a large latent heat of vaporization, while the solvent has a high boiling point. The solute and the solvent have a high affinity for one another. The heat recycling fluid takes up the latent heat of vaporization of the primary fluid to separate the solute from the solution and thereby produce an endothermic reaction. The solute is subsequently forced back into solution in the solvent in an exothermic reaction which liberates the latent heat of vaporization of the solute in the form of sensible heat energy usable for heating the recycling fluid. After being heated, the recycling fluid may be interacted with either the primary fluid or used as a heat source any other heat using process.
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