| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 221 | Electrostatic method and device to increase power output and decrease erosion in steam turbines | US11034907 | 2005-01-12 | US07252475B2 | 2007-08-07 | Anatoly Oleksiovych Tarelin; Volodymyr Petrovych Skliarov; Oleh Weres |
| The wet steam exiting a low pressure steam turbine does not rapidly attain thermodynamic equilibrium because insufficient condensation nuclei are present in the phase transition zone inside the turbine. Therefore, the steam is subcooled, decreasing the power generated by the turbine, and the liquid water carried by the steam consists of relatively coarse droplets which strike the surface of the turbine blades causing erosion. Corona electrodes installed inside the turbine before the saturation line create electrically charged particles which serve as condensation nuclei, decreasing subcooling, and producing a large number of fine droplets. Thereby, thermodynamic equilibrium is more closely approached, more power is generated, and smaller water droplets cause less erosion inside the turbine. | ||||||
| 222 | Earth heat transfer loop apparatus | US11588856 | 2006-10-28 | US20070119592A1 | 2007-05-31 | Guy McClung |
| An earth loop heat transfer system which, in certain aspects, has a heat transfer loop extending down into the earth and having a first portion, a second portion, and a bottom portion at a first level in the earth, heat transfer fluid flowable down to the bottom portion and up therefrom and in the second portion to the earth surface, and valve apparatus in the heat transfer loop for controlling flow of heat transfer fluid; and, in one aspect, such a system combined with a rig useful in well operations for supplying heat transfer fluid for use on the rig, either from a loop or loops with portion(s) in water or portion(s) in earth, or both. | ||||||
| 223 | Device for controlling liquid level position within condenser in rankine cycle apparatus | US10953341 | 2004-09-30 | US07117691B2 | 2006-10-10 | Hiroyoshi Taniguchi; Makoto Uda |
| In a liquid-level-position control device for a condenser in a Rankine cycle apparatus, first and second reference liquid level positions are set. When a position of the fluid level is lower than the first reference liquid level position, water is replenished to a condenser by a liquid-phase working medium supply section. When the position of the fluid level is higher than the second reference liquid level position, the liquid-phase working medium is discharged from within the condenser by a liquid-phase working medium discharge section. In this way, the liquid level, which is a boundary surface between water vapor and condensed water within the condenser, can be constantly kept at an optimal position. | ||||||
| 224 | Electrostatic method and device to increase power output and decrease erosion in steam turbines | US11034907 | 2005-01-12 | US20050207880A1 | 2005-09-22 | Anatoly Tarelin; Volodymyr Skliarov; Oleh Weres |
| The wet steam exiting a low pressure steam turbine does not rapidly attain thermodynamic equilibrium because insufficient condensation nuclei are present in the phase transition zone inside the turbine. Therefore, the steam is subcooled, decreasing the power generated by the turbine, and the liquid water carried by the steam consists of relatively coarse droplets which strike the surface of the turbine blades causing erosion. Corona electrodes installed inside the turbine before the saturation line create electrically charged particles which serve as condensation nuclei, decreasing subcooling, and producing a large number of fine droplets. Thereby, thermodynamic equilibrium is more closely approached, more power is generated, and smaller water droplets cause less erosion inside the turbine. | ||||||
| 225 | Microorganism enhancement with earth loop heat exchange systems | US10459331 | 2003-06-11 | US06896054B2 | 2005-05-24 | Guy L. Mcclung, III |
| A wellbore method which, in certain aspects, includes providing a fluid with microorganisms and introduction apparatus for introducing the fluid into an earth formation bearing hydrocarbons to facilitate removal of the hyrdrocarbons, effecting heat exchange between the fluid and a heat transfer medium that has traversed an earth loop of an earth loop heat exchange system, the earth loop extending from an earth surface down into the earth and the heat transfer medium flowable through the earth loop and transfer apparatus for transferring heat between the fluid and the heat transfer medium; and, in certain aspects wherein effecting the heat exchange between the fluid and the heat transfer medium prolongs life of and/or enhances activity of the microorganisms. | ||||||
| 226 | Non-condensing gas discharge device of condenser | US10952912 | 2004-09-30 | US20050072185A1 | 2005-04-07 | Hiroyoshi Taniguchi; Makoto Uda |
| Gaseous-phase portion of a condenser contains vapor and a non-condensing gas, such as air, that impedes condensation of the vapor, and a non-condensing gas discharge device of the condenser is arranged to discharge only the non-condensing gas from the condenser. The non-condensing gas discharge device includes a valve device, in the form of an air vent, for separating the non-condensing gas from the vapor and selectively discharging only the non-condensing gas from the condenser. | ||||||
| 227 | Steam turbine plant | US10796014 | 2004-03-10 | US20040177614A1 | 2004-09-16 | Kenji Kumagai; Yukihiko Sawa; Koichi Watanabe |
| Steam turbine plant includes a steam generator, a plurality of low pressure turbines being driven by steam from the steam generator, a plurality of steam condensers to condense the steam from the low pressure turbines into condensed water and a feedwater line which supplies the condensed water to the steam generator as feedwater. The feedwater line including a plurality of feedwater heating lines connected in parallel. A number of feedwater heating lines being less than a number of steam condensers. Each of the feedwater heating lines includes at least one low pressure feedwater heater provided in at least one of the steam condensers to heat the condensed water by steam bled from the low pressure turbines. | ||||||
| 228 | Method of and means for water desalinization | US7031 | 1993-01-21 | US5582690A | 1996-12-10 | Joseph Weinberger; Uriyel Fisher; Gad Assaf; Benjamin Doron |
| Desalination of sea water is achieved using a solar pond that includes a halocline interposed between a convective upper wind mixed layer exposed to the ambient atmosphere, and a lower heat storage layer of hot, concentrated brine, Hot brine from the heat storage layer is flashed into steam which is condensed into desalted water using an indirect heat exchanger cooled by saline water. The latent heat of condensation of the steam warms the saline water and effects evaporation of water therefrom in the form of vapor. The last mentioned water vapor is condensed into desalted water using a two-stage condenser, the first stage of which is an indirect heat exchanger cooled by saline feed water which is heated as a result producing warmed saline feed water that constitutes the saline water used for condensing the steam produced by flashing the brine from the heat storage layer of the pond. The major part of the water vapor is condensed into desalted water in a second stage of the condenser that utilizes an indirect heat exchanger cooled by cooling water from the wind-mixed layer of the solar pond. The major portion of the warmed cooling water leaving the second stage of the condenser are returned to the wind-mixed layer of the solar pond. | ||||||
| 229 | Waste heat recovery system | US421250 | 1995-04-13 | US5548958A | 1996-08-27 | W. Stan Lewis |
| A waste heat recovery system is provided where a waste heat source is utilized to vaporize a working fluid which in turn powers a turbine to generate power in a heat engine. A heat exhanger is placed between a waste heat source in an industrial process and an evaporator. The evaporator is connected to a turbine chamber further connected to a multi-chambered condensation unit. Each chamber of the multi-chambered condensation unit has a valved inlet port and a valved outlet port. The valved inlet ports of each chamber of the multi-chambered condensation unit are connected to the turbine chamber outlet. The multi-chamber condensation unit includes a number of condensation chambers, each chamber including a plurality of computer controlled valves. The condesation chambers are sequentially evacuated causing the vapor to be drawn through the turbine and brought into the condensation chambers one at a time. A reservoir is provided which collects the condensate where it is pumped back to the evaporator. May be easily retrofitted into waste heat disposal systems of many industrial processes to permit reclaimation of that heat. | ||||||
| 230 | Vapor condensation and liquid recovery system | US229318 | 1994-04-18 | US5426941A | 1995-06-27 | Stan Lewis |
| A vapor condensation and liquid recovery system is provided where a turbine chamber is connected to a multi-chambered condensation unit. Each chamber of the condensation unit has a valved inlet port and a valved outlet port. The valved inlet ports of each chamber of the condensation unit are connected to the turbine chamber outlet. Each condensation chamber is provided with another valved port which is connected to a vacuum generating means. Each chamber is also provided with a further valved port connected to a purge pump. The valved outlet ports are connected to a fluid reservoir. All of the valves are opened and closed by valve control means such as a computer. The valve control means opens and closes the valved vacuum line, valved inlet ports, valved outlet ports, and valved purge line in a sequence to permit a condensable vapor to be continuously drawn through the turbine chamber where it rotates the turbine blades transferring energy from the vapor to the turbine shaft. As a result the vapor condenses. The condensate is further sequentially drawn into the condensation chambers by the negative pressure therein. The automatic sequence of valves opening and closing is such that one condensation chamber is always filling with condensate, one condensation chamber is always being evacuated and one condensation chamber is always being drained of condensate through the use of positive pressure supplied by a purge pump. The turbine shaft may be connected to a generator. | ||||||
| 231 | Condenser for a steam turbine and a method of operating such a condenser | US114628 | 1993-09-02 | US5423377A | 1995-06-13 | Kazuya Iwata; Yoosyun Horibe; Yoshio Sumiya; Ryoichi Ohkura |
| In the operation of a main steam condenser of a steam turbine driven by a boiler and having a gland steam condenser, the gland steam condensate is normally fed from the gland steam condenser into the main condenser condensate. To avoid contamination of the main condenser condensate by oxygen-rich water, for at least part of the start-up period of the turbine, the gland steam condensate and other drain accumulating in the condenser is prevented from entering the main condenser condensate which is to be fed to the boiler. The gland steam condensate is fed to said main condenser and stored in a reservoir separate from the hot well thereof, to undergo de-aeration before being fed into the main condenser condensate. | ||||||
| 232 | Method of and apparatus for producing power from solar ponds | US824871 | 1992-01-22 | US5404937A | 1995-04-11 | Gad Assaf; Uriyel Fisher |
| Power is produced by a power plant using a salt-water solar pond comprising an upper wind-mixed layer, a halocline and a lower convective heat storage layer. The power plant includes a heat engine for utilizing heat present in the heat storage layer of the solar pond and a condenser, which preferably is cooled by liquid droplets. In accordance with a specific embodiment of the invention the power plant is positioned within the solar pond and a flash evaporator is used in the heat engine to produce steam which is supplied to a turbine connected to a generator, the heat depleted steam exiting from the turbine and being cooled by liquid droplets in a direct-contact condenser. The size of the droplets is selected such that the heat extracted in the condenser penetrates the majority of the liquid content of most of the droplets. | ||||||
| 233 | Single-loop, rankine-cycle power unit with supersonic condenser-radiator | US770903 | 1985-08-30 | US4658592A | 1987-04-21 | William R. Wagner; Stanley V. Gunn |
| A closed Rankine-cycle power unit 10 for powering a turbine 16. The unit comprises a single closed loop in which a working fluid is circulated. The fluid, in liquid phase, is brought to gaseous phase by passing it through a heat exchanger 14 and the gas is used to drive a turbine 16. The gas is then passed through supersonic condenser 20 of supersonic condenser-radiator 18. Supersonic condenser 20 comprises a supersonic DeLaval nozzle 30 connected to a long barrel 38 which converts the gas stream into liquid droplets. The droplets are formed into a droplet beam 22 by a spray nozzle 40, the droplets radiating away a large amount of their heat energy. The beam 22 is collected as a liquid by a collector 24 and pumped through a compressor 26 which raises its pressure. The liquid from the compressor 26 is then circulated through the heat exchanger 14 again. | ||||||
| 234 | Regenerator with spray cooler | US768735 | 1985-08-23 | US4637215A | 1987-01-20 | John Symington |
| Component size difficulties in a closed-cycle steam turbine system are eliminated by disposing an annular regenerator about a turbine wheel and providing spray nozzles at the outlet of the regenerator for eliminating superheat in the exhaust steam passing through the regenerator prior to its condensation in a condenser. | ||||||
| 235 | Condensing turbine installation | US100062 | 1979-12-04 | US4306418A | 1981-12-22 | Ryozo Nishioka |
| A double flow-type steam turbine installation in which two turbine sections of a double flow-type steam turbine are provided with different final stage steam path areas. The turbine section with the higher area is connected to a high vacuum condenser while the turbine section with the lower area is connected to a low vacuum condenser. The cooling water systems of the two condensers are connected in series with each other. The efficiency of the system is significantly increased over previous installations. | ||||||
| 236 | Components and arrangement thereof for Brayton-Rankine turbine | US832361 | 1977-09-12 | US4166361A | 1979-09-04 | Ernest R. Earnest; Bill Passinos |
| An engine consisting of an open Brayton cycle gas turbine mechanically as well as thermodynamically integrated with a closed cycle Rankine turbine engine is disclosed. The engine heat exchangers, including Rankine vapor generator, regenerator and condenser, are of annular configuration and are concentric with the axis of rotation of the turbomachinery components. A cooling fan is mounted coaxially with the condenser for improved cooling effectiveness. The engine components also are balanced around the gearbox for improved installation and use. | ||||||
| 237 | Dry cooling power plant system | US834363 | 1977-09-19 | US4156349A | 1979-05-29 | George J. Silvestri, Jr. |
| A power plant system utilizing a zoned or multipressure condenser or cooling tower whose different zones are air-cooled in a dry manner. The zoned condenser may condense motive cycle fluid by passing it directly through air-cooled heat exchange conduits or by passing a dense fluid through an intermediate, zoned condenser where it boils as it absorbs heat from the cycle fluid and then through the aforementioned zoned, cooling tower. A separate coolant circuit is used between each intermediate condenser zone and the cooling tower. Each intermediate condenser zone is maintained at a predetermined pressure by the coolant flowing through one of the coolant circuits and transporting heat therewith from the intermediate condenser to air flowing through the dry cooling tower. To obtain different boiling and condensing temperatures in the coolant circuits different coolants or different coolant pressures must be utilized therein. The coolant circuits are preferably arranged in the dry cooling tower in series airflow relation in the order or increasing coolant circuit temperature along the direction of normal cooling air flow. Zoned, multi-pressure condensers increase efficiency of the power plant system while the use of such dense, boiling coolant can decrease the surface area required in the intermediate condenser and cooling tower and reduce the amount of coolant that must be circulated therebetween. | ||||||
| 238 | Mass transport heat exchanger method and apparatus for use in ocean thermal energy exchange power plants | US801180 | 1977-05-27 | US4104883A | 1978-08-08 | Frederick E. Naef |
| Ocean thermal energy conversion (OTEC) uses a fluid, such as ammonia, hea by high-temperature surface water to provide a turbine-driving working gas. To condense the gas for re-use, a slurry of phase-transformation particles and cold ambient sea water is mixed in a deeply-submerged tank and delivered to a surface tank essentially at the cold sub-surface temperature. Condensing of the working gas is performed at the ocean surface level by exposure to the cold slurry temperature. Particle phase-transformation, which occurs at a temperature between that of the cold sub-surface water and the reject temperature of the heat-exchanger, maintains a surface tank temperature at about that of the sub-surface water. | ||||||
| 239 | Closed rankine cycle power plant and condenser therefor | US39116473 | 1973-08-29 | US3886748A | 1975-06-03 | BRONICKI LUCIEN YEHUDA |
| A closed Rankine cycle power plant operating with an organic fluid with a freezing point above ambient temperature wherein the condenser is designed for effecting the freezing of condensate on the inside without blocking vapor flow into the column. There is also provided a self-compensating condenser with a non-horizontal elongated condenser tube having a closed upper end and an open lower end associated with a header adapted to receive the vapor to be condensed. The header may be associated with a collector for the condensed liquid arriving by gravitational flow.
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| 240 | System for filling and emptying of heat exchangers | US30316672 | 1972-11-02 | US3825060A | 1974-07-23 | HELLER L; FORGO L; HORVATH M |
| With outdoor erected surface heat exchangers care has to be taken of filling up and emptying in cold weather since the cooler liquid may freeze in in the heat exchanger tubes and destroy them. Thus, quick filling up and emptying is necessary. This is obtained by employing a communication line with a regulating flap between a supply conduit connected to the inlets of the heat exchangers, and a reflux conduit connected to the outlet thereof. The communication conduit has an oblique position inclined towards the supply conduit so that the regulating flap in it will be closed only in normal operation of the system where the flap of the device is pressed down on its seat by the overpressure prevailing in the supply conduit with respect to the reflux conduit. The advantage of the arrangement consists in that the heat exchangers can be filled up in the reverse direction and emptied through a drain conduit quickly and with simultaneous deareating and air introduction, respectively. Moreover, a relatively lesser number of component parts is required.
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