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序号	专利名	申请号	申请日	公开（公告）号	公开（公告）日	发明人
61	Foreign matter trap for water supply	JP2010103884	2010-04-28	JP2010261702A	2010-11-18	KLARNER RICHARD G
PROBLEM TO BE SOLVED: To provide a once-through steam generator having a foreign matter trap which prevents foreign matters from being caught by a pipe in an economizer section and minimizes wear and damage of the pipe. SOLUTION: The foreign matter trap 46 is positioned near a bottom part of a circular water falling pipe passage 34. Supplied water flowing into a pressure container 11 via an inlet nozzle 28 is forcibly circulated in the foreign matter trap 46, then, is discharged into a flow space 36, and enters a section of a pipe 16 positioned in the economizer chamber 38. The foreign matter trap 46 is composed of a circular support ring 48 lying and crossing between a wall defined by a lower shroud 25 and an inner wall of the pressure container 11 in the economizer section 32, and is positioned near a lower end of the lower shroud 25. COPYRIGHT: (C)2011,JPO&INPIT
62	JPS5050596A -	JP9884874	1974-08-28	JPS5050596A	1975-05-07	MICHEL R

63	METHOD AND APPARATUS FOR RECOVERY OF HEAT FROM BULK SOLIDS	US15610238	2017-05-31	US20180347806A1	2018-12-06	Ashley D. BYMAN; Jordison NEVILLE; Robert MCGILLIVRAY
A method of heat recovery from bulk solids includes introducing the bulk solids into an inlet of a heat exchanger for indirect heat exchange with water as the bulk solids flow, by gravity, from the inlet to an outlet of the heat exchanger, pumping the water into subcritical heating heat transfer elements within the heat exchanger for indirect heat exchange with the bulk solids to heat the water and thereby provide heated, pressurized water, and flashing off steam from the heated, pressurized water.
64	Solar Thermal Power System	US15628130	2017-06-20	US20170284378A1	2017-10-05	Andreas Ehrsam; Enrico Conte
A solar thermal power system includes a solar receiver, and a thermal energy storage arrangement having thermal energy storage fluid to be circulated through the solar receiver to store thermal energy. The system includes a multistage steam turbine operable on variable pressure steam generated by a steam generator arrangement, by utilizing the thermal energy storage fluid. The arrangement includes an economizer section, an evaporator section, and a superheater section communicably configured to utilize the heat of the hot thermal energy storage fluid to generate and supply the variable pressure steam to the turbine. The system includes a recirculation line configured around the economizer section to recirculate the heated water to an inlet of the economizer section, increasing pressure range of the variable pressure steam in the arrangement.
65	HEAT EXCHANGING SYSTEM AND METHOD FOR A HEAT RECOVERY STEAM GENERATOR	US15025186	2014-09-23	US20160245127A1	2016-08-25	Daniel B. Kloeckener
Heat recovery steam generator comprises a casing, low-pressure evaporator coils, preheater booster coils upstream thereof and feedwater heater coils downstream thereof, a water-to-water heat exchanger having low and high temperature paths; a first conduit from the preheater to the high-temperature path, and a second conduit from the feedwater heater to the preheater. A conduit can extend from feedwater heater to low-pressure evaporator. A conduit can extend from the water-to-water heat exchanger to the feedwater heater. High-pressure economizer coils can be upstream of the preheater, with a conduit exiting the feedwater heater to the high-pressure economizer. Additional coils can be upstream of the high-pressure economizer. The feedwater heater can comprise first and second sections, or first, second and third sections; or more sections. The connections among the various components and sections can be near their upstream and downstream faces.
66	SEGMENTED RAPID HEATING OF FLUID	US12867138	2009-02-11	US20100322605A1	2010-12-23	Robert Cornelis van Aken; Cedric Israelsohn
A fluid heating apparatus has a fluid flow path from an inlet to an outlet, with multiple heating sections positioned along the flow path. Each heating section is at least one pair of electrodes between which an electric current is passed through the fluid to resistively heat the fluid during its passage along the flow path. At least one of the heating sections has a segmented electrode made up of a plurality of electrically separable segments. This allows an effective active area of the segmented electrode to be controlled by selectively activating the segments. A controller determines a required voltage and current to be delivered to the fluid by each heating section, and allows for input conductivity as well as variations in fluid conductivity with temperature. The controller activates selected segments of the segmented electrode to effect delivery of desired current and voltage by the segmented electrode to the fluid.
67	FEEDWATER DEBRIS TRAP	US12432653	2009-04-29	US20100276124A1	2010-11-04	Richard G. Klarner
A debris filter trap to prevent potentially damaging debris carried by the feedwater entering the pressure vessel of a once through steam generator from entering into the section of tubes which are positioned within the confines of an integrally contained economizer of the once through steam generator. The trap will remove foreign material, from the feedwater flow, that is larger than the space between the tubes, and thus prevent debris particles that are large enough to get lodged in the tube spacing from entering the economizer.
68	Control system for economic operation of a steam generator	US560463	1983-12-12	US4489679A	1984-12-25	Fletcher O. Holt
A once-through steam generator has both radiant and convection sections. The flue gases discharged from the convection section are passed through a wet scrubber to remove both sulfur oxides (SO.sub.x) and particulate matter. The feedwater to the convection section has its temperature controlled by the temperature of the flue gases discharged from the convection section, reducing the temperature of the feedwater by the use of a feedwater exchanger, as the convection section progressively fouls due to particulates in the flue gases. An additional heat exchanger upstream of the feedwater exchanger and convection section which scavenges additional heat from the wet scrubber liquids while the temperature of the flue gases into the scrubber are lowered to a temperature equal to or less than the water dew point temperature of the flue gases entering the scrubber.
69	Method and apparatus for improving heat transfer	US120978	1980-02-13	US4316434A	1982-02-23	Frank W. Bailey
Method and apparatus for improving convective heat transfer by mechanically stirring fluid over the outer surface of a heat exchanger. A stirring mechanism is described which revolves rapidly around a heat exchanger surface in a stream undergoing heat transfer. During rotation, the stirring mechanism is supported near an end of the stirred heat exchanger by a central bearing and drive means. It is also supported over an extended length of the stirred heat exchanger surface by the hydrodynamic action of the stirring mechanism relative to the heat exchange surface without need for an additional central support bearing. The stirring mechanism uniformly turbulates the fluid film over the outer surface of the heat exchanger where heat transfer resistance normally occurs without imposing a pressure drop in the fluid stream undergoing augmented heat transfer. Compact and inexpensive heat exchangers are described which may be used in refrigeration, heating-cooling, and energy conservation systems. They offer special advantages where the temperature differential available for convective heat transfer is low and where it is necessary to recover sensible and latent heat energy from combustion products or dirty gaseous streams. Economizer units are described which may retrofit existing heating systems and recover most of the sensible and latent heat energy which these systems now waste in flue products. Special draft control features of these units also allow the adapted heating systems to operate with nearly identical steady-state and seasonal efficiencies.
70	Heat exchanger coil assembly	US39977264	1964-09-28	US3349842A	1967-10-31	PRYBIL JOHN T

71	Feedwater system	US84318859	1959-09-29	US3043280A	1962-07-10	ALIX ARTHUR J

72	Method and apparatus for applying a fluid to heat-transfer surfaces	US64946923	1923-07-05	US1730461A	1929-10-08	JACOBUS DAVID S

73	STEAM BOILER OF HIGH EFFICIENCY	KR20060026308	2006-03-23	KR20060031664A	2006-04-12	LEE SU DAE
본 발명은 고효율 증기보일러에 관한 것으로, 구체적으로는 급수관의 상과 하의 면이 평면이고 양쪽이 R형인 타원주형관을 사용하고 연소가스의 이동거리를 길게 하여 적은 연료를 사용하여 급수를 신속하게 증기로 만드는 고효율 증기보일러에 관한 것이다. 이를 위해, 본 발명의 증기보일러는 외부와 내부로 구성되어 있으며, 외부에는 보일러 본체에 예열기가 만들어져 있어 최초에 공급되는 급수는 예열기에 유입시켜 보일러내부의 잔열에 의해 가열된 후 보일러내부의 급수이동로를 지나 급수저장소로 이동하게 된다. 급수저장소에는 여러 개의 타원주형관들이 2열로 원통형으로 형성되어 있어, 급수는 여러 개의 관으로 분산되어 증기저장소로 이동하는 과정에서 연소가스의 열에 의해 가열되어 증기로 증기저장소에 운집된 후, 다시 증기저장소 외부와 내부 보조관의 연소가스 열에 의해 가열되고는 증기배출구로 배출되는 구조이다. 한편, 연소가스는 연소실에서 연소가스 유통관을 지나 1∼2차의 통로와 1∼3차의 연소가스 이동로로 이동하면서 타원주형관을 가열하여 급수를 증기로 만든후 증기저장소의 외부와 내부 보조관을 지나면서 증기저장소의 증기를 가열하고는 연소가스 배출구로 배출되는 구조이며, 1차와 2차의 통로는 서로 반대방향인 상단부와 하단부에 만듬으로써, 연소가스가 1∼3차의 연소가스 이동로로 이동할 때에는 연소가스의 진행방향이 위에서 아래로 아래서 위로 즉, 지그재그식으로 진행하기 때문에 연소가스의 속도가 감소될 뿐만 아니라 이동거리가 길어 연소가스의 열을 최대한 사용함으로써 신속하게 급수를 가열하여 증기를 만들도록 구성되는 것을 특징으로 한다. 펌프, 버너, 예열기, 타원주형관(타원기둥형관), 차단부재, 보조관
74	HEAT EXCHANGING SYSTEM AND METHOD FOR A HEAT RECOVERY STEAM GENERATOR	EP14849287.9	2014-09-23	EP3049719B1	2018-12-26	KLOECKENER, Daniel B.
Heat recovery steam generator comprises a casing, low-pressure evaporator coils, preheater booster coils upstream thereof and feedwater heater coils downstream thereof, a water-to-water heat exchanger having low and high temperature paths; a first conduit from the preheater to the high-temperature path, and a second conduit from the feedwater heater to the preheater. A conduit can extend from feedwater heater to low-pressure evaporator. A conduit can extend from the water-to-water heat exchanger to the feedwater heater. High-pressure economizer coils can be upstream of the preheater, with a conduit exiting the feedwater heater to the high-pressure economizer. Additional coils can be upstream of the high-pressure economizer. The feedwater heater can comprise first and second sections, or first, second and third sections; or more sections. The connections among the various components and sections can be near their upstream and downstream faces.
75	POWER GENERATING SYSTEM	EP10769077.8	2010-09-28	EP2529086B1	2016-06-08	OGATA, Hiroshi

76	SEGMENTED RAPID HEATING OF FLUID	EP09710664	2009-02-11	EP2247894A4	2014-12-03	VAN AKEN ROBERT CORNELIS; ISRAELSOHN CEDRIC
A fluid heating apparatus has a fluid flow path from an inlet to an outlet, with multiple heating sections positioned along the flow path. Each heating section is at least one pair of electrodes between which an electric current is passed through the fluid to resistively heat the fluid during its passage along the flow path. At least one of the heating sections has a segmented electrode made up of a plurality of electrically separable segments. This allows an effective active area of the segmented electrode to be controlled by selectively activating the segments. A controller determines a required voltage and current to be delivered to the fluid by each heating section, and allows for input conductivity as well as variations in fluid conductivity with temperature. The controller activates selected segments of the segmented electrode to effect delivery of desired current and voltage by the segmented electrode to the fluid.
77	SEGMENTED RAPID HEATING OF FLUID	EP09710664.5	2009-02-11	EP2247894A1	2010-11-10	VAN AKEN, Robert Cornelis; ISRAELSOHN, Cedric
A fluid heating apparatus has a fluid flow path from an inlet to an outlet, with multiple heating sections positioned along the flow path. Each heating section is at least one pair of electrodes between which an electric current is passed through the fluid to resistively heat the fluid during its passage along the flow path. At least one of the heating sections has a segmented electrode made up of a plurality of electrically separable segments. This allows an effective active area of the segmented electrode to be controlled by selectively activating the segments. A controller determines a required voltage and current to be delivered to the fluid by each heating section, and allows for input conductivity as well as variations in fluid conductivity with temperature. The controller activates selected segments of the segmented electrode to effect delivery of desired current and voltage by the segmented electrode to the fluid.
78	SEGMENTED RAPID HEATING OF FLUID	EP09710664.5	2009-02-11	EP2247894B1	2018-06-20	VAN AKEN, Robert Cornelis; ISRAELSOHN, Cedric
A fluid heating apparatus has a fluid flow path from an inlet to an outlet, with multiple heating sections positioned along the flow path. Each heating section is at least one pair of electrodes between which an electric current is passed through the fluid to resistively heat the fluid during its passage along the flow path. At least one of the heating sections has a segmented electrode made up of a plurality of electrically separable segments. This allows an effective active area of the segmented electrode to be controlled by selectively activating the segments. A controller determines a required voltage and current to be delivered to the fluid by each heating section, and allows for input conductivity as well as variations in fluid conductivity with temperature. The controller activates selected segments of the segmented electrode to effect delivery of desired current and voltage by the segmented electrode to the fluid.
79	HEAT EXCHANGING SYSTEM AND METHOD FOR A HEAT RECOVERY STEAM GENERATOR	EP14849287	2014-09-23	EP3049719A4	2017-07-12	KLOECKENER DANIEL B
Heat recovery steam generator comprises a casing, low-pressure evaporator coils, preheater booster coils upstream thereof and feedwater heater coils downstream thereof, a water-to-water heat exchanger having low and high temperature paths; a first conduit from the preheater to the high-temperature path, and a second conduit from the feedwater heater to the preheater. A conduit can extend from feedwater heater to low-pressure evaporator. A conduit can extend from the water-to-water heat exchanger to the feedwater heater. High-pressure economizer coils can be upstream of the preheater, with a conduit exiting the feedwater heater to the high-pressure economizer. Additional coils can be upstream of the high-pressure economizer. The feedwater heater can comprise first and second sections, or first, second and third sections; or more sections. The connections among the various components and sections can be near their upstream and downstream faces.
80	HEAT EXCHANGING SYSTEM AND METHOD FOR A HEAT RECOVERY STEAM GENERATOR	EP14849287.9	2014-09-23	EP3049719A1	2016-08-03	KLOECKENER, Daniel B.
Heat recovery steam generator comprises a casing, low-pressure evaporator coils, preheater booster coils upstream thereof and feedwater heater coils downstream thereof, a water-to-water heat exchanger having low and high temperature paths; a first conduit from the preheater to the high-temperature path, and a second conduit from the feedwater heater to the preheater. A conduit can extend from feedwater heater to low-pressure evaporator. A conduit can extend from the water-to-water heat exchanger to the feedwater heater. High-pressure economizer coils can be upstream of the preheater, with a conduit exiting the feedwater heater to the high-pressure economizer. Additional coils can be upstream of the high-pressure economizer. The feedwater heater can comprise first and second sections, or first, second and third sections; or more sections. The connections among the various components and sections can be near their upstream and downstream faces.

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